mirror of
https://github.com/eclipse-cdt/cdt
synced 2025-04-29 19:45:01 +02:00
2005-01-26 Alain Magloire
Part of implementing PR 83112 * src/org/eclipse/cdt/internal/ui/cview/CView.java * src/org/eclipse/cdt/internal/ui/cview/SelectionTransferDragAdapter.java * src/org/eclipse/cdt/internal/ui/cview/SelectionTransferDropAdapter.java * src/org/eclipse/cdt/internal/ui/dnd/*.java
This commit is contained in:
Alain Magloire
parent
22d59f21f5
commit
539b5c0633
19 changed files with 1537 additions and 886 deletions
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@ -1,3 +1,10 @@
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2005-01-26 Alain Magloire
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Part of implementing PR 83112
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* src/org/eclipse/cdt/internal/ui/cview/CView.java
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* src/org/eclipse/cdt/internal/ui/cview/SelectionTransferDragAdapter.java
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* src/org/eclipse/cdt/internal/ui/cview/SelectionTransferDropAdapter.java
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* src/org/eclipse/cdt/internal/ui/dnd/*.java
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2005-01-24 Vladimir Hirsl
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2005-01-24 Vladimir Hirsl
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SCD work for CDT 3.0
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SCD work for CDT 3.0
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Better displaying of error messages in TabFolderOptionBlock.
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Better displaying of error messages in TabFolderOptionBlock.
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@ -26,11 +26,14 @@ import org.eclipse.cdt.core.model.IParent;
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import org.eclipse.cdt.core.model.ISourceReference;
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import org.eclipse.cdt.core.model.ISourceReference;
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import org.eclipse.cdt.core.model.ITranslationUnit;
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import org.eclipse.cdt.core.model.ITranslationUnit;
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import org.eclipse.cdt.internal.ui.actions.SelectionConverter;
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import org.eclipse.cdt.internal.ui.actions.SelectionConverter;
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import org.eclipse.cdt.internal.ui.drag.DelegatingDragAdapter;
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import org.eclipse.cdt.internal.ui.dnd.CDTViewerDragAdapter;
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import org.eclipse.cdt.internal.ui.drag.FileTransferDragAdapter;
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import org.eclipse.cdt.internal.ui.dnd.DelegatingDropAdapter;
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import org.eclipse.cdt.internal.ui.drag.LocalSelectionTransferDragAdapter;
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import org.eclipse.cdt.internal.ui.dnd.FileTransferDragAdapter;
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import org.eclipse.cdt.internal.ui.drag.ResourceTransferDragAdapter;
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import org.eclipse.cdt.internal.ui.dnd.FileTransferDropAdapter;
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import org.eclipse.cdt.internal.ui.drag.TransferDragSourceListener;
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import org.eclipse.cdt.internal.ui.dnd.ResourceTransferDragAdapter;
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import org.eclipse.cdt.internal.ui.dnd.ResourceTransferDropAdapter;
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import org.eclipse.cdt.internal.ui.dnd.TransferDragSourceListener;
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import org.eclipse.cdt.internal.ui.dnd.TransferDropTargetListener;
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import org.eclipse.cdt.internal.ui.preferences.CPluginPreferencePage;
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import org.eclipse.cdt.internal.ui.preferences.CPluginPreferencePage;
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import org.eclipse.cdt.internal.ui.util.EditorUtility;
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import org.eclipse.cdt.internal.ui.util.EditorUtility;
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import org.eclipse.cdt.internal.ui.util.ProblemTreeViewer;
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import org.eclipse.cdt.internal.ui.util.ProblemTreeViewer;
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@ -40,7 +43,6 @@ import org.eclipse.cdt.internal.ui.viewsupport.CUILabelProvider;
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import org.eclipse.cdt.internal.ui.viewsupport.DecoratingCLabelProvider;
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import org.eclipse.cdt.internal.ui.viewsupport.DecoratingCLabelProvider;
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import org.eclipse.cdt.ui.CElementContentProvider;
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import org.eclipse.cdt.ui.CElementContentProvider;
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import org.eclipse.cdt.ui.CElementSorter;
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import org.eclipse.cdt.ui.CElementSorter;
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import org.eclipse.cdt.ui.CLocalSelectionTransfer;
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import org.eclipse.cdt.ui.CUIPlugin;
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import org.eclipse.cdt.ui.CUIPlugin;
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import org.eclipse.cdt.ui.PreferenceConstants;
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import org.eclipse.cdt.ui.PreferenceConstants;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.core.resources.IFile;
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@ -99,7 +101,6 @@ import org.eclipse.ui.model.IWorkbenchAdapter;
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import org.eclipse.ui.part.ISetSelectionTarget;
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import org.eclipse.ui.part.ISetSelectionTarget;
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import org.eclipse.ui.part.IShowInSource;
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import org.eclipse.ui.part.IShowInSource;
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import org.eclipse.ui.part.IShowInTarget;
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import org.eclipse.ui.part.IShowInTarget;
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import org.eclipse.ui.part.PluginTransfer;
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import org.eclipse.ui.part.ResourceTransfer;
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import org.eclipse.ui.part.ResourceTransfer;
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import org.eclipse.ui.part.ShowInContext;
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import org.eclipse.ui.part.ShowInContext;
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import org.eclipse.ui.part.ViewPart;
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import org.eclipse.ui.part.ViewPart;
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@ -371,20 +372,9 @@ public class CView extends ViewPart implements ISetSelectionTarget, IPropertyCha
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* Adds drag and drop support to the navigator.
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* Adds drag and drop support to the navigator.
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*/
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*/
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void initDragAndDrop() {
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void initDragAndDrop() {
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int ops = DND.DROP_COPY | DND.DROP_MOVE;
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initDrag();
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initDrop();
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Transfer[] dragTransfers = new Transfer[] { ResourceTransfer.getInstance(), FileTransfer.getInstance(),
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CLocalSelectionTransfer.getInstance(), PluginTransfer.getInstance()};
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TransferDragSourceListener[] dragListeners = new TransferDragSourceListener[] { new ResourceTransferDragAdapter(viewer),
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new LocalSelectionTransferDragAdapter(viewer), new FileTransferDragAdapter(viewer)};
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viewer.addDragSupport(ops, dragTransfers, new DelegatingDragAdapter(viewer, dragListeners));
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Transfer[] dropTransfers = new Transfer[] { ResourceTransfer.getInstance(), FileTransfer.getInstance(),
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LocalSelectionTransfer.getInstance(), PluginTransfer.getInstance()};
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viewer.addDropSupport(ops, dropTransfers, new CViewDropAdapter(viewer));
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dragDetectListener = new Listener() {
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dragDetectListener = new Listener() {
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public void handleEvent(Event event) {
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public void handleEvent(Event event) {
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@ -395,6 +385,35 @@ public class CView extends ViewPart implements ISetSelectionTarget, IPropertyCha
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}
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}
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private void initDrag() {
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int ops= DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
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Transfer[] transfers= new Transfer[] {
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LocalSelectionTransfer.getInstance(),
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ResourceTransfer.getInstance(),
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FileTransfer.getInstance()
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};
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TransferDragSourceListener[] dragListeners= new TransferDragSourceListener[] {
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new SelectionTransferDragAdapter(viewer),
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new ResourceTransferDragAdapter(viewer),
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new FileTransferDragAdapter(viewer)
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};
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viewer.addDragSupport(ops, transfers, new CDTViewerDragAdapter(viewer, dragListeners));
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}
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private void initDrop() {
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int ops= DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK | DND.DROP_DEFAULT;
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Transfer[] transfers= new Transfer[] {
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LocalSelectionTransfer.getInstance(),
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ResourceTransfer.getInstance(),
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FileTransfer.getInstance()};
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TransferDropTargetListener[] dropListeners= new TransferDropTargetListener[] {
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new SelectionTransferDropAdapter(viewer),
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new ResourceTransferDropAdapter(viewer),
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new FileTransferDropAdapter(viewer)
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};
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viewer.addDropSupport(ops, transfers, new DelegatingDropAdapter(dropListeners));
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}
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/**
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/**
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* Initializes the default preferences
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* Initializes the default preferences
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*/
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*/
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@ -1,538 +0,0 @@
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package org.eclipse.cdt.internal.ui.cview;
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/*
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* (c) Copyright IBM Corp. 2000, 2001.
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* All Rights Reserved.
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*/
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.eclipse.cdt.core.model.ICContainer;
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import org.eclipse.cdt.core.model.ICElement;
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import org.eclipse.cdt.core.model.ICProject;
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import org.eclipse.cdt.ui.CUIPlugin;
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import org.eclipse.core.resources.IContainer;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.resources.IResource;
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import org.eclipse.core.resources.ResourceAttributes;
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import org.eclipse.core.runtime.IAdaptable;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.MultiStatus;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.jface.dialogs.ErrorDialog;
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import org.eclipse.jface.dialogs.IDialogConstants;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.jface.viewers.StructuredViewer;
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import org.eclipse.swt.dnd.DND;
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import org.eclipse.swt.dnd.DropTargetEvent;
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import org.eclipse.swt.dnd.FileTransfer;
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import org.eclipse.swt.dnd.TransferData;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.ui.PlatformUI;
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import org.eclipse.ui.actions.CopyFilesAndFoldersOperation;
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import org.eclipse.ui.actions.MoveFilesAndFoldersOperation;
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import org.eclipse.ui.actions.ReadOnlyStateChecker;
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import org.eclipse.ui.dialogs.IOverwriteQuery;
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import org.eclipse.ui.part.PluginDropAdapter;
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import org.eclipse.ui.part.ResourceTransfer;
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import org.eclipse.ui.views.navigator.LocalSelectionTransfer;
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/**
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* Implements drop behaviour for drag and drop operations
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* that land on the resource navigator.
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*/
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class CViewDropAdapter extends PluginDropAdapter implements IOverwriteQuery {
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/**
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* A flag indicating that the drop has been cancelled by the user.
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*/
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protected boolean isCanceled = false;
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/**
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* A flag indicating that overwrites should always occur.
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*/
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protected boolean alwaysOverwrite = false;
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/**
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* The last valid operation.
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*/
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private int lastValidOperation = DND.DROP_NONE;
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/*
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* @see org.eclipse.swt.dnd.DropTargetListener#dragEnter(org.eclipse.swt.dnd.DropTargetEvent)
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*/
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public void dragEnter(DropTargetEvent event) {
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if (FileTransfer.getInstance().isSupportedType(event.currentDataType) &&
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event.detail == DND.DROP_DEFAULT) {
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// default to copy when dragging from outside Eclipse. Fixes bug 16308.
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event.detail = DND.DROP_COPY;
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}
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super.dragEnter(event);
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}
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public void dropAccept(DropTargetEvent event){
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if (getCurrentOperation() == DND.DROP_MOVE){
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validateMove(event);
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}
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}
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/**
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* @param event
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*/
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private void validateMove(DropTargetEvent event) {
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ICElement currentContainer = null;
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Object currentTarget = getCurrentTarget();
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if (currentTarget instanceof ICElement){
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currentContainer =(ICElement) currentTarget;
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} else {
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return;
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}
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if ((!((currentContainer instanceof ICContainer) ||
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(currentContainer instanceof ICProject))) ||
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currentContainer.isReadOnly()){
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event.detail = DND.DROP_NONE;
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return;
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}
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ISelection sel = this.getViewer().getSelection();
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if (sel instanceof IStructuredSelection){
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StructuredSelection structSel = (StructuredSelection) sel;
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Iterator iter=structSel.iterator();
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while (iter.hasNext()){
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Object tempSelection = iter.next();
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if (tempSelection instanceof ICElement){
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if (tempSelection instanceof ICProject){
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event.detail = DND.DROP_NONE;
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break;
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}
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ICElement tempElement = (ICElement) tempSelection;
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ICElement tempElementParent = tempElement.getParent();
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if (tempElementParent.equals(currentContainer) ||
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tempElement.equals(currentContainer) ||
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tempElement.equals(currentContainer.getParent()) ||
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tempElement.isReadOnly()){
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event.detail = DND.DROP_NONE;
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break;
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}
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}
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else if (tempSelection instanceof IResource){
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if (tempSelection instanceof IProject){
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event.detail = DND.DROP_NONE;
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break;
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}
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IResource tempResource = (IResource) tempSelection;
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IResource tempResourceParent = tempResource.getParent();
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//Apples to apples...
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IResource resourceCurrentContainer = currentContainer.getResource();
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ResourceAttributes attributes = tempResource.getResourceAttributes();
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boolean isReadOnly = true;
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if (attributes != null) {
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isReadOnly = attributes.isReadOnly();
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}
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if (tempResourceParent.equals(resourceCurrentContainer) ||
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tempResource.equals(resourceCurrentContainer) ||
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tempResource.equals(resourceCurrentContainer.getParent()) ||
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isReadOnly){
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event.detail = DND.DROP_NONE;
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break;
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}
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}
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}
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}
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}
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/**
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* Returns an error status with the given info.
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*/
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protected IStatus error(String message, Throwable exception) {
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return new Status(IStatus.ERROR, PlatformUI.PLUGIN_ID, 0, message, exception);
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}
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/**
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* Returns an error status with the given info.
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*/
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protected IStatus error(String message) {
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return error(message, null);
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}
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/**
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* Returns an error status, indicating why the given source
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* could not be copied or moved.
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*/
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protected IStatus error(IResource source, String message) {
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if (getCurrentOperation() == DND.DROP_COPY) {
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return error("Can Not Copy", null); //$NON-NLS-1$
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}
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return error("Can Not Move", null); //$NON-NLS-1$
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}
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/**
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* Returns the actual target of the drop, given the resource
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* under the mouse. If the mouse target is a file, then the drop actually
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* occurs in its parent. If the drop location is before or after the
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* mouse target, the target is also the parent.
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*/
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protected IContainer getActualTarget(IResource mouseTarget) {
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/* if cursor is before or after mouseTarget, set target to parent */
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if (getCurrentLocation() == LOCATION_BEFORE || getCurrentLocation() == LOCATION_AFTER) {
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return mouseTarget.getParent();
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}
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/* if cursor is on a file, return the parent */
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if (mouseTarget.getType() == IResource.FILE) {
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return mouseTarget.getParent();
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}
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/* otherwise the mouseTarget is the real target */
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return (IContainer)mouseTarget;
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}
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/**
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* Returns the display
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*/
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protected Display getDisplay() {
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return getViewer().getControl().getDisplay();
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}
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/**
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* Returns the shell
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*/
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protected Shell getShell() {
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return getViewer().getControl().getShell();
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}
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/**
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* Returns an error status with the given info.
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*/
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protected IStatus info(String message) {
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return new Status(IStatus.INFO, PlatformUI.PLUGIN_ID, 0, message, null);
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}
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/**
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* CViewDropAction constructor comment.
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*/
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public CViewDropAdapter(StructuredViewer viewer) {
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super(viewer);
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}
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/**
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* Adds the given status to the list of problems. Discards
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* OK statuses. If the status is a multi-status, only its children
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* are added.
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*/
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protected void mergeStatus(MultiStatus status, IStatus toMerge) {
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if (!toMerge.isOK()) {
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status.merge(toMerge);
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}
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}
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/**
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|
||||||
* Creates a status object from the given list of problems.
|
|
||||||
*/
|
|
||||||
protected IStatus multiStatus(List problems, String message) {
|
|
||||||
IStatus[] children = new IStatus[problems.size()];
|
|
||||||
problems.toArray(children);
|
|
||||||
if (children.length == 1) {
|
|
||||||
return children[0];
|
|
||||||
}
|
|
||||||
return new MultiStatus(PlatformUI.PLUGIN_ID, 0, children, message, null);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns an status indicating success.
|
|
||||||
*/
|
|
||||||
protected IStatus ok() {
|
|
||||||
return new Status(IStatus.OK, PlatformUI.PLUGIN_ID, 0, "Ok", null); //$NON-NLS-1$
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Opens an error dialog if necessary. Takes care of
|
|
||||||
* complex rules necessary for making the error dialog look nice.
|
|
||||||
*/
|
|
||||||
protected void openError(IStatus status) {
|
|
||||||
if (status == null)
|
|
||||||
return;
|
|
||||||
|
|
||||||
String genericTitle = "Error"; //$NON-NLS-1$
|
|
||||||
int codes = IStatus.ERROR | IStatus.WARNING;
|
|
||||||
|
|
||||||
//simple case: one error, not a multistatus
|
|
||||||
if (!status.isMultiStatus()) {
|
|
||||||
ErrorDialog.openError(getShell(), genericTitle, null, status, codes);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
//one error, single child of multistatus
|
|
||||||
IStatus[] children = status.getChildren();
|
|
||||||
if (children.length == 1) {
|
|
||||||
ErrorDialog.openError(getShell(), status.getMessage(), null, children[0], codes);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
//several problems
|
|
||||||
ErrorDialog.openError(getShell(), genericTitle, null, status, codes);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns the resource selection from the LocalSelectionTransfer.
|
|
||||||
*
|
|
||||||
* @return the resource selection from the LocalSelectionTransfer
|
|
||||||
*/
|
|
||||||
private static final int typeMask = IResource.FOLDER | IResource.FILE;
|
|
||||||
|
|
||||||
private IResource[] getSelectedResources() {
|
|
||||||
ISelection selection = LocalSelectionTransfer.getInstance().getSelection();
|
|
||||||
List resources = new ArrayList();
|
|
||||||
|
|
||||||
// Sanity checks
|
|
||||||
if (selection == null || !(selection instanceof IStructuredSelection) || selection.isEmpty()) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
|
|
||||||
|
|
||||||
// loop through list and look for matching items
|
|
||||||
for (Iterator enumarator = structuredSelection.iterator(); enumarator.hasNext();) {
|
|
||||||
Object object = enumarator.next();
|
|
||||||
IResource resource = null;
|
|
||||||
|
|
||||||
if (object instanceof IResource) {
|
|
||||||
resource = (IResource) object;
|
|
||||||
} else if (object instanceof IAdaptable) {
|
|
||||||
resource = (IResource) ((IAdaptable) object).getAdapter(IResource.class);
|
|
||||||
}
|
|
||||||
if (resource != null && (resource.getType() & typeMask) != 0) {
|
|
||||||
resources.add(resource);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
IResource[] result = new IResource[resources.size()];
|
|
||||||
resources.toArray(result);
|
|
||||||
|
|
||||||
return result;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* (non-Javadoc)
|
|
||||||
* @see org.eclipse.jface.viewers.ViewerDropAdapter#performDrop(java.lang.Object)
|
|
||||||
*/
|
|
||||||
/**
|
|
||||||
* Invoked when an action occurs.
|
|
||||||
* Argument context is the Window which contains the UI from which this action was fired.
|
|
||||||
* This default implementation prints the name of this class and its label.
|
|
||||||
*/
|
|
||||||
public boolean performDrop(final Object data) {
|
|
||||||
isCanceled = false;
|
|
||||||
alwaysOverwrite = false;
|
|
||||||
if (getCurrentTarget() == null || data == null) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
boolean result = false;
|
|
||||||
IStatus status = null;
|
|
||||||
IResource[] resources = null;
|
|
||||||
TransferData currentTransfer = getCurrentTransfer();
|
|
||||||
if (LocalSelectionTransfer.getInstance().isSupportedType(currentTransfer)) {
|
|
||||||
resources = getSelectedResources();
|
|
||||||
} else if (ResourceTransfer.getInstance().isSupportedType(currentTransfer)) {
|
|
||||||
resources = (IResource[]) data;
|
|
||||||
} else if (FileTransfer.getInstance().isSupportedType(currentTransfer)) {
|
|
||||||
status = performFileDrop(data);
|
|
||||||
result = status.isOK();
|
|
||||||
} else {
|
|
||||||
result = super.performDrop(data);
|
|
||||||
}
|
|
||||||
if (resources != null) {
|
|
||||||
if (getCurrentOperation() == DND.DROP_COPY) {
|
|
||||||
status = performResourceCopy(getShell(), resources);
|
|
||||||
} else {
|
|
||||||
status = performResourceMove(resources);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
openError(status);
|
|
||||||
|
|
||||||
|
|
||||||
return result;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Performs a drop using the FileTransfer transfer type.
|
|
||||||
*/
|
|
||||||
private IStatus performFileDrop(Object data) {
|
|
||||||
MultiStatus problems = new MultiStatus(PlatformUI.PLUGIN_ID, 0, "ProblemI mporting", null); //$NON-NLS-1$
|
|
||||||
mergeStatus(problems, validateTarget(getCurrentTarget(), getCurrentTransfer()));
|
|
||||||
|
|
||||||
Object obj = getCurrentTarget();
|
|
||||||
IResource res = null;
|
|
||||||
if (obj instanceof IAdaptable) {
|
|
||||||
res = (IResource)((IAdaptable) obj).getAdapter(IResource.class);
|
|
||||||
}
|
|
||||||
final IContainer target = getActualTarget(res);
|
|
||||||
final String[] names = (String[]) data;
|
|
||||||
// Run the import operation asynchronously.
|
|
||||||
// Otherwise the drag source (e.g., Windows Explorer) will be blocked
|
|
||||||
// while the operation executes. Fixes bug 16478.
|
|
||||||
Display.getCurrent().asyncExec(new Runnable() {
|
|
||||||
public void run() {
|
|
||||||
getShell().forceActive();
|
|
||||||
CopyFilesAndFoldersOperation operation = new CopyFilesAndFoldersOperation(getShell());
|
|
||||||
operation.copyFiles(names, target);
|
|
||||||
}
|
|
||||||
});
|
|
||||||
return problems;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Performs a resource copy
|
|
||||||
*/
|
|
||||||
private IStatus performResourceCopy(Shell shell, IResource[] sources) {
|
|
||||||
MultiStatus problems = new MultiStatus(PlatformUI.PLUGIN_ID, 1, "Problems Moving", null); //$NON-NLS-1$
|
|
||||||
mergeStatus(problems, validateTarget(getCurrentTarget(), getCurrentTransfer()));
|
|
||||||
|
|
||||||
Object obj = getCurrentTarget();
|
|
||||||
IResource res = null;
|
|
||||||
if (obj instanceof IAdaptable) {
|
|
||||||
res = (IResource)((IAdaptable) obj).getAdapter(IResource.class);
|
|
||||||
}
|
|
||||||
IContainer target = getActualTarget(res);
|
|
||||||
CopyFilesAndFoldersOperation operation = new CopyFilesAndFoldersOperation(shell);
|
|
||||||
operation.copyResources(sources, target);
|
|
||||||
|
|
||||||
return problems;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Performs a resource move
|
|
||||||
*/
|
|
||||||
private IStatus performResourceMove(IResource[] sources) {
|
|
||||||
MultiStatus problems = new MultiStatus(PlatformUI.PLUGIN_ID, 1, "Problems Moving", null); //$NON-NLS-1$
|
|
||||||
mergeStatus(problems, validateTarget(getCurrentTarget(), getCurrentTransfer()));
|
|
||||||
|
|
||||||
Object obj = getCurrentTarget();
|
|
||||||
IResource res = null;
|
|
||||||
if (obj instanceof IAdaptable) {
|
|
||||||
res = (IResource)((IAdaptable) obj).getAdapter(IResource.class);
|
|
||||||
}
|
|
||||||
IContainer target = getActualTarget(res);
|
|
||||||
ReadOnlyStateChecker checker = new ReadOnlyStateChecker(
|
|
||||||
getShell(),
|
|
||||||
"Move Resource Action", //$NON-NLS-1$
|
|
||||||
"Move Resource Action");//$NON-NLS-1$
|
|
||||||
sources = checker.checkReadOnlyResources(sources);
|
|
||||||
MoveFilesAndFoldersOperation operation = new MoveFilesAndFoldersOperation(getShell());
|
|
||||||
operation.copyResources(sources, target);
|
|
||||||
|
|
||||||
return problems;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* (non-Javadoc)
|
|
||||||
* Method declared on IOverWriteQuery
|
|
||||||
*/
|
|
||||||
public String queryOverwrite(String pathString) {
|
|
||||||
final String returnCode[] = {CANCEL};
|
|
||||||
final String msg = pathString + " " + CUIPlugin.getResourceString("CViewDragNDrop.txt") ; //$NON-NLS-1$ //$NON-NLS-2$
|
|
||||||
final String[] options = {IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL, IDialogConstants.YES_TO_ALL_LABEL, IDialogConstants.CANCEL_LABEL};
|
|
||||||
getDisplay().syncExec(new Runnable() {
|
|
||||||
public void run() {
|
|
||||||
MessageDialog dialog = new MessageDialog(getShell(), "Question", null, msg, MessageDialog.QUESTION, options, 0); //$NON-NLS-1$
|
|
||||||
dialog.open();
|
|
||||||
int returnVal = dialog.getReturnCode();
|
|
||||||
String[] returnCodes = {YES, NO, ALL, CANCEL};
|
|
||||||
returnCode[0] = returnVal < 0 ? CANCEL : returnCodes[returnVal];
|
|
||||||
}
|
|
||||||
});
|
|
||||||
return returnCode[0];
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* This method is used to notify the action that some aspect of
|
|
||||||
* the drop operation has changed.
|
|
||||||
*/
|
|
||||||
public boolean validateDrop(Object target, int dragOperation, TransferData transferType) {
|
|
||||||
if (dragOperation != DND.DROP_NONE) {
|
|
||||||
lastValidOperation = dragOperation;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (super.validateDrop(target, dragOperation, transferType)) {
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
return validateTarget(target, transferType).isOK();
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Ensures that the drop target meets certain criteria
|
|
||||||
*/
|
|
||||||
private IStatus validateTarget(Object target, TransferData transferType) {
|
|
||||||
|
|
||||||
if (target instanceof IAdaptable) {
|
|
||||||
IResource r = (IResource)((IAdaptable) target).getAdapter(IResource.class);
|
|
||||||
if (r == null)
|
|
||||||
return info("Target Must Be Resource"); //$NON-NLS-1$
|
|
||||||
target = r;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!(target instanceof IResource)) {
|
|
||||||
return info("Target Must Be Resource"); //$NON-NLS-1$
|
|
||||||
}
|
|
||||||
IResource resource = (IResource) target;
|
|
||||||
if (!resource.isAccessible()) {
|
|
||||||
return error("Can Not Drop Into Closed Project"); //$NON-NLS-1$
|
|
||||||
}
|
|
||||||
IContainer destination = getActualTarget(resource);
|
|
||||||
if (destination.getType() == IResource.ROOT) {
|
|
||||||
return error("Resources Can Not Be Siblings"); //$NON-NLS-1$
|
|
||||||
}
|
|
||||||
|
|
||||||
String message = null;
|
|
||||||
// drag within Eclipse?
|
|
||||||
if (LocalSelectionTransfer.getInstance().isSupportedType(transferType)) {
|
|
||||||
IResource[] selectedResources = getSelectedResources();
|
|
||||||
|
|
||||||
if (selectedResources == null)
|
|
||||||
message = "Drop Operation Error Other"; //$NON-NLS-1$
|
|
||||||
else {
|
|
||||||
CopyFilesAndFoldersOperation operation;
|
|
||||||
if (lastValidOperation == DND.DROP_COPY) {
|
|
||||||
operation = new CopyFilesAndFoldersOperation(getShell());
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
operation = new MoveFilesAndFoldersOperation(getShell());
|
|
||||||
}
|
|
||||||
message = operation.validateDestination(destination, selectedResources);
|
|
||||||
|
|
||||||
}
|
|
||||||
} // file import?
|
|
||||||
else if (FileTransfer.getInstance().isSupportedType(transferType)) {
|
|
||||||
String[] sourceNames = (String[]) FileTransfer.getInstance().nativeToJava(transferType);
|
|
||||||
if (sourceNames == null) {
|
|
||||||
// source names will be null on Linux. Use empty names to do destination validation.
|
|
||||||
// Fixes bug 29778
|
|
||||||
sourceNames = new String[0];
|
|
||||||
}
|
|
||||||
CopyFilesAndFoldersOperation copyOperation = new CopyFilesAndFoldersOperation(getShell());
|
|
||||||
message = copyOperation.validateImportDestination(destination, sourceNames);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (message != null) {
|
|
||||||
return error(message);
|
|
||||||
}
|
|
||||||
|
|
||||||
return ok();
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
@ -0,0 +1,49 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.cview;
|
||||||
|
|
||||||
|
import java.util.Iterator;
|
||||||
|
|
||||||
|
import org.eclipse.cdt.core.model.ICElement;
|
||||||
|
import org.eclipse.cdt.core.model.ISourceReference;
|
||||||
|
import org.eclipse.cdt.internal.ui.dnd.BasicSelectionTransferDragAdapter;
|
||||||
|
import org.eclipse.core.resources.IResource;
|
||||||
|
import org.eclipse.jface.viewers.ISelection;
|
||||||
|
import org.eclipse.jface.viewers.ISelectionProvider;
|
||||||
|
import org.eclipse.jface.viewers.IStructuredSelection;
|
||||||
|
|
||||||
|
public class SelectionTransferDragAdapter extends BasicSelectionTransferDragAdapter {
|
||||||
|
|
||||||
|
public SelectionTransferDragAdapter(ISelectionProvider provider) {
|
||||||
|
super(provider);
|
||||||
|
}
|
||||||
|
|
||||||
|
protected boolean isDragable(ISelection selection) {
|
||||||
|
if (selection instanceof IStructuredSelection) {
|
||||||
|
for (Iterator iter= ((IStructuredSelection)selection).iterator(); iter.hasNext();) {
|
||||||
|
Object element= iter.next();
|
||||||
|
if (element instanceof ICElement) {
|
||||||
|
ICElement celement = (ICElement)element;
|
||||||
|
IResource res = celement.getResource();
|
||||||
|
if (res != null) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
if (!(element instanceof ISourceReference)) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,329 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.cview;
|
||||||
|
|
||||||
|
import java.lang.reflect.InvocationTargetException;
|
||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.Iterator;
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
import org.eclipse.cdt.core.model.CModelException;
|
||||||
|
import org.eclipse.cdt.core.model.CoreModel;
|
||||||
|
import org.eclipse.cdt.core.model.ICElement;
|
||||||
|
import org.eclipse.cdt.core.model.ICProject;
|
||||||
|
import org.eclipse.cdt.core.model.ISourceReference;
|
||||||
|
import org.eclipse.cdt.core.model.ITranslationUnit;
|
||||||
|
import org.eclipse.cdt.internal.ui.dnd.CDTViewerDropAdapter;
|
||||||
|
import org.eclipse.cdt.internal.ui.dnd.TransferDropTargetListener;
|
||||||
|
import org.eclipse.cdt.internal.ui.util.ExceptionHandler;
|
||||||
|
import org.eclipse.core.runtime.IProgressMonitor;
|
||||||
|
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
|
||||||
|
import org.eclipse.jface.operation.IRunnableContext;
|
||||||
|
import org.eclipse.jface.operation.IRunnableWithProgress;
|
||||||
|
import org.eclipse.jface.viewers.ISelection;
|
||||||
|
import org.eclipse.jface.viewers.IStructuredSelection;
|
||||||
|
import org.eclipse.jface.viewers.StructuredViewer;
|
||||||
|
import org.eclipse.swt.dnd.DND;
|
||||||
|
import org.eclipse.swt.dnd.DropTargetEvent;
|
||||||
|
import org.eclipse.swt.dnd.Transfer;
|
||||||
|
import org.eclipse.swt.widgets.Shell;
|
||||||
|
import org.eclipse.ui.views.navigator.LocalSelectionTransfer;
|
||||||
|
|
||||||
|
public class SelectionTransferDropAdapter extends CDTViewerDropAdapter implements TransferDropTargetListener {
|
||||||
|
|
||||||
|
private List fElements;
|
||||||
|
private ICElement[] fMoveData;
|
||||||
|
private ICElement[] fCopyData;
|
||||||
|
|
||||||
|
private static final long DROP_TIME_DIFF_TRESHOLD= 150;
|
||||||
|
|
||||||
|
public SelectionTransferDropAdapter(StructuredViewer viewer) {
|
||||||
|
super(viewer, DND.FEEDBACK_SCROLL | DND.FEEDBACK_EXPAND);
|
||||||
|
}
|
||||||
|
|
||||||
|
//---- TransferDropTargetListener interface ---------------------------------------
|
||||||
|
|
||||||
|
public Transfer getTransfer() {
|
||||||
|
return LocalSelectionTransfer.getInstance();
|
||||||
|
}
|
||||||
|
|
||||||
|
public boolean isEnabled(DropTargetEvent event) {
|
||||||
|
Object target= event.item != null ? event.item.getData() : null;
|
||||||
|
if (target == null) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
return target instanceof ISourceReference;
|
||||||
|
}
|
||||||
|
|
||||||
|
//---- Actual DND -----------------------------------------------------------------
|
||||||
|
|
||||||
|
public void dragEnter(DropTargetEvent event) {
|
||||||
|
clear();
|
||||||
|
super.dragEnter(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void dragLeave(DropTargetEvent event) {
|
||||||
|
clear();
|
||||||
|
super.dragLeave(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
private void clear() {
|
||||||
|
fElements = null;
|
||||||
|
fMoveData = null;
|
||||||
|
fCopyData = null;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void validateDrop(Object target, DropTargetEvent event, int operation) {
|
||||||
|
event.detail= DND.DROP_NONE;
|
||||||
|
|
||||||
|
if (tooFast(event)) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
initializeSelection();
|
||||||
|
|
||||||
|
try {
|
||||||
|
switch(operation) {
|
||||||
|
case DND.DROP_DEFAULT:
|
||||||
|
event.detail= handleValidateDefault(target, event);
|
||||||
|
break;
|
||||||
|
case DND.DROP_COPY:
|
||||||
|
event.detail= handleValidateCopy(target, event);
|
||||||
|
break;
|
||||||
|
case DND.DROP_MOVE:
|
||||||
|
event.detail= handleValidateMove(target, event);
|
||||||
|
break;
|
||||||
|
case DND.DROP_LINK:
|
||||||
|
event.detail= handleValidateLink(target, event);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
} catch (CModelException e){
|
||||||
|
ExceptionHandler.handle(e, CViewMessages.getString("SelectionTransferDropAdapter.error.title"), CViewMessages.getString("SelectionTransferDropAdapter.error.message")); //$NON-NLS-1$ //$NON-NLS-2$
|
||||||
|
event.detail= DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
protected void initializeSelection(){
|
||||||
|
if (fElements != null) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
ISelection s= LocalSelectionTransfer.getInstance().getSelection();
|
||||||
|
if (!(s instanceof IStructuredSelection)) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
fElements = ((IStructuredSelection)s).toList();
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean tooFast(DropTargetEvent event) {
|
||||||
|
return Math.abs(LocalSelectionTransfer.getInstance().getSelectionSetTime() - (event.time & 0xFFFFFFFFL)) < DROP_TIME_DIFF_TRESHOLD;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void drop(Object target, DropTargetEvent event) {
|
||||||
|
try {
|
||||||
|
switch(event.detail) {
|
||||||
|
case DND.DROP_MOVE:
|
||||||
|
handleDropMove(target, event);
|
||||||
|
break;
|
||||||
|
case DND.DROP_COPY:
|
||||||
|
handleDropCopy(target, event);
|
||||||
|
break;
|
||||||
|
case DND.DROP_LINK:
|
||||||
|
handleDropLink(target, event);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
} catch (CModelException e){
|
||||||
|
ExceptionHandler.handle(e, CViewMessages.getString("SelectionTransferDropAdapter.error.title"), CViewMessages.getString("SelectionTransferDropAdapter.error.message")); //$NON-NLS-1$ //$NON-NLS-2$
|
||||||
|
} catch(InvocationTargetException e) {
|
||||||
|
ExceptionHandler.handle(e, CViewMessages.getString("OpenRefactoringWizardAction.refactoring"), CViewMessages.getString("OpenRefactoringWizardAction.exception")); //$NON-NLS-1$ //$NON-NLS-2$
|
||||||
|
} catch (InterruptedException e) {
|
||||||
|
//ok
|
||||||
|
} finally {
|
||||||
|
// The drag source listener must not perform any operation
|
||||||
|
// since this drop adapter did the remove of the source even
|
||||||
|
// if we moved something.
|
||||||
|
event.detail= DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private int handleValidateDefault(Object target, DropTargetEvent event) throws CModelException {
|
||||||
|
if (target == null) {
|
||||||
|
return DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
return handleValidateMove(target, event);
|
||||||
|
}
|
||||||
|
|
||||||
|
private int handleValidateMove(Object target, DropTargetEvent event) throws CModelException {
|
||||||
|
if (target == null) {
|
||||||
|
return DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
if (fMoveData == null) {
|
||||||
|
ICElement[] cElements= getCElements(fElements);
|
||||||
|
if (cElements != null && cElements.length > 0) {
|
||||||
|
fMoveData = cElements;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!canMoveElements()) {
|
||||||
|
return DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (target instanceof ISourceReference) {
|
||||||
|
return DND.DROP_MOVE;
|
||||||
|
}
|
||||||
|
return DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean canMoveElements() {
|
||||||
|
if (fMoveData != null) {
|
||||||
|
return hasCommonParent(fMoveData);
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean hasCommonParent(ICElement[] elements) {
|
||||||
|
if (elements.length > 1) {
|
||||||
|
ICElement parent = elements[0];
|
||||||
|
for (int i = 0; i < elements.length; ++i) {
|
||||||
|
ICElement p = elements[i].getParent();
|
||||||
|
if (parent == null && p!= null) {
|
||||||
|
return false;
|
||||||
|
} else if (!parent.equals(p)){
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
private void handleDropLink(Object target, DropTargetEvent event) {
|
||||||
|
}
|
||||||
|
|
||||||
|
private int handleValidateLink(Object target, DropTargetEvent event) {
|
||||||
|
return DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
private void handleDropMove(final Object target, DropTargetEvent event) throws CModelException, InvocationTargetException, InterruptedException{
|
||||||
|
final ICElement[] cElements= getCElements(fElements);
|
||||||
|
|
||||||
|
if (target instanceof ICElement) {
|
||||||
|
ICElement cTarget = (ICElement)target;
|
||||||
|
ICElement parent = cTarget;
|
||||||
|
boolean isTargetTranslationUnit = cTarget instanceof ITranslationUnit;
|
||||||
|
if (!isTargetTranslationUnit) {
|
||||||
|
parent = cTarget.getParent();
|
||||||
|
}
|
||||||
|
final ICElement[] containers = new ICElement[cElements.length];
|
||||||
|
for (int i = 0; i < containers.length; ++i) {
|
||||||
|
containers[i] = parent;
|
||||||
|
}
|
||||||
|
ICElement[] neighbours = null;
|
||||||
|
if (!isTargetTranslationUnit) {
|
||||||
|
neighbours = new ICElement[cElements.length];
|
||||||
|
for (int i = 0; i < neighbours.length; ++i) {
|
||||||
|
neighbours[i] = cTarget;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
final ICElement[] siblings = neighbours;
|
||||||
|
IRunnableWithProgress runnable = new IRunnableWithProgress() {
|
||||||
|
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
|
||||||
|
try {
|
||||||
|
CoreModel.getDefault().getCModel().move(cElements, containers, siblings, null, false, monitor);
|
||||||
|
} catch (CModelException e) {
|
||||||
|
throw new InvocationTargetException(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
run(runnable);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private int handleValidateCopy(Object target, DropTargetEvent event) throws CModelException{
|
||||||
|
|
||||||
|
if (fCopyData == null) {
|
||||||
|
ICElement[] cElements= getCElements(fElements);
|
||||||
|
ICProject project= null;
|
||||||
|
if (cElements != null && cElements.length > 0) {
|
||||||
|
fCopyData= cElements;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!canCopyElements())
|
||||||
|
return DND.DROP_NONE;
|
||||||
|
|
||||||
|
if (target instanceof ISourceReference) {
|
||||||
|
return DND.DROP_COPY;
|
||||||
|
}
|
||||||
|
return DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean canCopyElements() {
|
||||||
|
if (fCopyData != null) {
|
||||||
|
return hasCommonParent(fCopyData);
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
private void handleDropCopy(final Object target, DropTargetEvent event) throws CModelException, InvocationTargetException, InterruptedException{
|
||||||
|
final ICElement[] cElements= getCElements(fElements);
|
||||||
|
|
||||||
|
if (target instanceof ICElement) {
|
||||||
|
ICElement cTarget = (ICElement)target;
|
||||||
|
ICElement parent = cTarget;
|
||||||
|
boolean isTargetTranslationUnit = cTarget instanceof ITranslationUnit;
|
||||||
|
if (!isTargetTranslationUnit) {
|
||||||
|
parent = cTarget.getParent();
|
||||||
|
}
|
||||||
|
final ICElement[] containers = new ICElement[cElements.length];
|
||||||
|
for (int i = 0; i < containers.length; ++i) {
|
||||||
|
containers[i] = parent;
|
||||||
|
}
|
||||||
|
ICElement[] neighbours = null;
|
||||||
|
if (!isTargetTranslationUnit) {
|
||||||
|
neighbours = new ICElement[cElements.length];
|
||||||
|
for (int i = 0; i < neighbours.length; ++i) {
|
||||||
|
neighbours[i] = cTarget;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
final ICElement[] siblings = neighbours;
|
||||||
|
IRunnableWithProgress runnable = new IRunnableWithProgress() {
|
||||||
|
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
|
||||||
|
try {
|
||||||
|
CoreModel.getDefault().getCModel().copy(cElements, containers, siblings, null, false, monitor);
|
||||||
|
} catch (CModelException e) {
|
||||||
|
throw new InvocationTargetException(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
run(runnable);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private Shell getShell() {
|
||||||
|
return getViewer().getControl().getShell();
|
||||||
|
}
|
||||||
|
|
||||||
|
public void run(IRunnableWithProgress runnable) throws InterruptedException, InvocationTargetException {
|
||||||
|
IRunnableContext context= new ProgressMonitorDialog(getShell());
|
||||||
|
context.run(true, true, runnable);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static ICElement[] getCElements(List elements) {
|
||||||
|
List resources= new ArrayList(elements.size());
|
||||||
|
for (Iterator iter= elements.iterator(); iter.hasNext();) {
|
||||||
|
Object element= iter.next();
|
||||||
|
if (element instanceof ICElement)
|
||||||
|
resources.add(element);
|
||||||
|
}
|
||||||
|
return (ICElement[]) resources.toArray(new ICElement[resources.size()]);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,83 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
|
import org.eclipse.jface.util.Assert;
|
||||||
|
import org.eclipse.jface.viewers.ISelection;
|
||||||
|
import org.eclipse.jface.viewers.ISelectionProvider;
|
||||||
|
import org.eclipse.swt.dnd.DND;
|
||||||
|
import org.eclipse.swt.dnd.DragSourceAdapter;
|
||||||
|
import org.eclipse.swt.dnd.DragSourceEvent;
|
||||||
|
import org.eclipse.swt.dnd.Transfer;
|
||||||
|
import org.eclipse.ui.views.navigator.LocalSelectionTransfer;
|
||||||
|
|
||||||
|
public class BasicSelectionTransferDragAdapter extends DragSourceAdapter implements TransferDragSourceListener {
|
||||||
|
|
||||||
|
private ISelectionProvider fProvider;
|
||||||
|
|
||||||
|
public BasicSelectionTransferDragAdapter(ISelectionProvider provider) {
|
||||||
|
Assert.isNotNull(provider);
|
||||||
|
fProvider= provider;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @see TransferDragSourceListener#getTransfer
|
||||||
|
*/
|
||||||
|
public Transfer getTransfer() {
|
||||||
|
return LocalSelectionTransfer.getInstance();
|
||||||
|
}
|
||||||
|
|
||||||
|
/* non Java-doc
|
||||||
|
* @see org.eclipse.swt.dnd.DragSourceListener#dragStart
|
||||||
|
*/
|
||||||
|
public void dragStart(DragSourceEvent event) {
|
||||||
|
ISelection selection= fProvider.getSelection();
|
||||||
|
LocalSelectionTransfer.getInstance().setSelection(selection);
|
||||||
|
LocalSelectionTransfer.getInstance().setSelectionSetTime(event.time & 0xFFFFFFFFL);
|
||||||
|
event.doit= isDragable(selection);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Checks if the elements contained in the given selection can
|
||||||
|
* be dragged.
|
||||||
|
* <p>
|
||||||
|
* Subclasses may override.
|
||||||
|
*
|
||||||
|
* @param selection containing the elements to be dragged
|
||||||
|
*/
|
||||||
|
protected boolean isDragable(ISelection selection) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* non Java-doc
|
||||||
|
* @see org.eclipse.swt.dnd.DragSourceListener#dragSetData
|
||||||
|
*/
|
||||||
|
public void dragSetData(DragSourceEvent event) {
|
||||||
|
// For consistency set the data to the selection even though
|
||||||
|
// the selection is provided by the LocalSelectionTransfer
|
||||||
|
// to the drop target adapter.
|
||||||
|
event.data= LocalSelectionTransfer.getInstance().getSelection();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* non Java-doc
|
||||||
|
* @see org.eclipse.swt.dnd.DragSourceListener#dragFinished
|
||||||
|
*/
|
||||||
|
public void dragFinished(DragSourceEvent event) {
|
||||||
|
// We assume that the drop target listener has done all
|
||||||
|
// the work.
|
||||||
|
Assert.isTrue(event.detail == DND.DROP_NONE);
|
||||||
|
LocalSelectionTransfer.getInstance().setSelection(null);
|
||||||
|
LocalSelectionTransfer.getInstance().setSelectionSetTime(0);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,41 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
|
import org.eclipse.jface.util.Assert;
|
||||||
|
import org.eclipse.jface.viewers.IStructuredSelection;
|
||||||
|
import org.eclipse.jface.viewers.StructuredViewer;
|
||||||
|
import org.eclipse.swt.dnd.DragSourceEvent;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* CDTViewerDragAdapter
|
||||||
|
*/
|
||||||
|
public class CDTViewerDragAdapter extends DelegatingDragAdapter {
|
||||||
|
|
||||||
|
private StructuredViewer fViewer;
|
||||||
|
|
||||||
|
public CDTViewerDragAdapter(StructuredViewer viewer, TransferDragSourceListener[] listeners) {
|
||||||
|
super(listeners);
|
||||||
|
Assert.isNotNull(viewer);
|
||||||
|
fViewer= viewer;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void dragStart(DragSourceEvent event) {
|
||||||
|
IStructuredSelection selection= (IStructuredSelection)fViewer.getSelection();
|
||||||
|
if (selection.isEmpty()) {
|
||||||
|
event.doit= false;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
super.dragStart(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,268 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
|
import org.eclipse.jface.util.Assert;
|
||||||
|
import org.eclipse.jface.viewers.StructuredViewer;
|
||||||
|
import org.eclipse.swt.dnd.DND;
|
||||||
|
import org.eclipse.swt.dnd.DropTargetEvent;
|
||||||
|
import org.eclipse.swt.dnd.DropTargetListener;
|
||||||
|
import org.eclipse.swt.graphics.Point;
|
||||||
|
import org.eclipse.swt.graphics.Rectangle;
|
||||||
|
import org.eclipse.swt.widgets.Item;
|
||||||
|
import org.eclipse.swt.widgets.TableItem;
|
||||||
|
import org.eclipse.swt.widgets.TreeItem;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* A drag and drop adapter to be used together with structured viewers.
|
||||||
|
* The adapater delegates the <code>dragEnter</code>, <code>dragOperationChanged
|
||||||
|
* </code>, <code>dragOver</code> and <code>dropAccept</code> method to the
|
||||||
|
* <code>validateDrop</code> method. Furthermore it adds location feedback.
|
||||||
|
*/
|
||||||
|
public class CDTViewerDropAdapter implements DropTargetListener {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Constant describing the position of the mouse cursor relative
|
||||||
|
* to the target object. This means the mouse is not positioned
|
||||||
|
* over or near any valid target.
|
||||||
|
*/
|
||||||
|
public static final int LOCATION_NONE= DND.FEEDBACK_NONE;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Constant describing the position of the mouse cursor relative
|
||||||
|
* to the target object. This means the mouse is positioned
|
||||||
|
* directly on the target.
|
||||||
|
*/
|
||||||
|
public static final int LOCATION_ON= DND.FEEDBACK_SELECT;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Constant describing the position of the mouse cursor relative
|
||||||
|
* to the target object. This means the mouse is positioned
|
||||||
|
* slightly before the target.
|
||||||
|
*/
|
||||||
|
public static final int LOCATION_BEFORE= DND.FEEDBACK_INSERT_BEFORE;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Constant describing the position of the mouse cursor relative
|
||||||
|
* to the target object. This means the mouse is positioned
|
||||||
|
* slightly after the target.
|
||||||
|
*/
|
||||||
|
public static final int LOCATION_AFTER= DND.FEEDBACK_INSERT_AFTER;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The threshold used to determine if the mouse is before or after
|
||||||
|
* an item.
|
||||||
|
*/
|
||||||
|
private static final int LOCATION_EPSILON= 5;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Style to enable location feedback.
|
||||||
|
*/
|
||||||
|
public static final int INSERTION_FEEDBACK= 1 << 1;
|
||||||
|
|
||||||
|
private StructuredViewer fViewer;
|
||||||
|
private int fFeedback;
|
||||||
|
private boolean fShowInsertionFeedback;
|
||||||
|
private int fRequestedOperation;
|
||||||
|
private int fLastOperation;
|
||||||
|
protected int fLocation;
|
||||||
|
protected Object fTarget;
|
||||||
|
|
||||||
|
public CDTViewerDropAdapter(StructuredViewer viewer, int feedback) {
|
||||||
|
Assert.isNotNull(viewer);
|
||||||
|
fViewer= viewer;
|
||||||
|
fFeedback= feedback;
|
||||||
|
fLastOperation= -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Controls whether the drop adapter shows insertion feedback or not.
|
||||||
|
*
|
||||||
|
* @param showInsertionFeedback <code>true</code> if the drop adapter is supposed
|
||||||
|
* to show insertion feedback. Otherwise <code>false</code>
|
||||||
|
*/
|
||||||
|
public void showInsertionFeedback(boolean showInsertionFeedback) {
|
||||||
|
fShowInsertionFeedback= showInsertionFeedback;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the viewer this adapter is working on.
|
||||||
|
*/
|
||||||
|
protected StructuredViewer getViewer() {
|
||||||
|
return fViewer;
|
||||||
|
}
|
||||||
|
|
||||||
|
//---- Hooks to override -----------------------------------------------------
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The actual drop has occurred. Calls <code>drop(Object target, DropTargetEvent event)
|
||||||
|
* </code>.
|
||||||
|
* @see DropTargetListener#drop(org.eclipse.swt.dnd.DropTargetEvent)
|
||||||
|
*/
|
||||||
|
public void drop(DropTargetEvent event) {
|
||||||
|
drop(fTarget, event);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The actual drop has occurred.
|
||||||
|
* @param target the drop target in form of a domain element.
|
||||||
|
* @param event the drop traget event
|
||||||
|
*/
|
||||||
|
public void drop(Object target, DropTargetEvent event) {
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Checks if the drop is valid. The method calls <code>validateDrop
|
||||||
|
* (Object target, DropTargetEvent event). Implementors can alter the
|
||||||
|
* <code>currentDataType</code> field and the <code>detail</code> field
|
||||||
|
* to give feedback about drop acceptence.
|
||||||
|
*/
|
||||||
|
public void validateDrop(DropTargetEvent event) {
|
||||||
|
validateDrop(fTarget, event, fRequestedOperation);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Checks if the drop on the current target is valid. The method
|
||||||
|
* can alter the <code>currentDataType</code> field and the <code>
|
||||||
|
* detail</code> field to give feedback about drop acceptence.
|
||||||
|
* @param target the drop target in form of a domain element.
|
||||||
|
* @param event the drop traget event
|
||||||
|
* @param operation the operation requested by the user.
|
||||||
|
*/
|
||||||
|
public void validateDrop(Object target, DropTargetEvent event, int operation) {
|
||||||
|
}
|
||||||
|
|
||||||
|
public void dragEnter(DropTargetEvent event) {
|
||||||
|
dragOperationChanged(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void dragLeave(DropTargetEvent event) {
|
||||||
|
fTarget= null;
|
||||||
|
fLocation= LOCATION_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void dragOperationChanged(DropTargetEvent event) {
|
||||||
|
fRequestedOperation= event.detail;
|
||||||
|
fTarget= computeTarget(event);
|
||||||
|
fLocation= computeLocation(event);
|
||||||
|
validateDrop(event);
|
||||||
|
fLastOperation= event.detail;
|
||||||
|
computeFeedback(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void dragOver(DropTargetEvent event) {
|
||||||
|
Object oldTarget= fTarget;
|
||||||
|
fTarget= computeTarget(event);
|
||||||
|
|
||||||
|
//set the location feedback
|
||||||
|
int oldLocation= fLocation;
|
||||||
|
fLocation= computeLocation(event);
|
||||||
|
if (oldLocation != fLocation || oldTarget != fTarget || fLastOperation != event.detail) {
|
||||||
|
validateDrop(event);
|
||||||
|
fLastOperation= event.detail;
|
||||||
|
} else {
|
||||||
|
event.detail= fLastOperation;
|
||||||
|
}
|
||||||
|
computeFeedback(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void dropAccept(DropTargetEvent event) {
|
||||||
|
fTarget= computeTarget(event);
|
||||||
|
validateDrop(event);
|
||||||
|
fLastOperation= event.detail;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the data held by <code>event.item</code>. Inside a viewer
|
||||||
|
* this corresponds to the items data model element.
|
||||||
|
*/
|
||||||
|
protected Object computeTarget(DropTargetEvent event) {
|
||||||
|
return event.item == null ? null : event.item.getData();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the position of the given coordinates relative to the given target.
|
||||||
|
* The position is determined to be before, after, or on the item, based on
|
||||||
|
* some threshold value. The return value is one of the LOCATION_* constants
|
||||||
|
* defined in this class.
|
||||||
|
*/
|
||||||
|
final protected int computeLocation(DropTargetEvent event) {
|
||||||
|
if (!(event.item instanceof Item))
|
||||||
|
return LOCATION_NONE;
|
||||||
|
|
||||||
|
Item item= (Item) event.item;
|
||||||
|
Point coordinates= fViewer.getControl().toControl(new Point(event.x, event.y));
|
||||||
|
Rectangle bounds= getBounds(item);
|
||||||
|
if (bounds == null) {
|
||||||
|
return LOCATION_NONE;
|
||||||
|
}
|
||||||
|
if ((coordinates.y - bounds.y) < LOCATION_EPSILON) {
|
||||||
|
return LOCATION_BEFORE;
|
||||||
|
}
|
||||||
|
if ((bounds.y + bounds.height - coordinates.y) < LOCATION_EPSILON) {
|
||||||
|
return LOCATION_AFTER;
|
||||||
|
}
|
||||||
|
return LOCATION_ON;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the bounds of the given item, or <code>null</code> if it is not a
|
||||||
|
* valid type of item.
|
||||||
|
*/
|
||||||
|
private Rectangle getBounds(Item item) {
|
||||||
|
if (item instanceof TreeItem)
|
||||||
|
return ((TreeItem) item).getBounds();
|
||||||
|
|
||||||
|
if (item instanceof TableItem)
|
||||||
|
return ((TableItem) item).getBounds(0);
|
||||||
|
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sets the drag under feedback corresponding to the value of <code>fLocation</code>
|
||||||
|
* and the <code>INSERTION_FEEDBACK</code> style bit.
|
||||||
|
*/
|
||||||
|
protected void computeFeedback(DropTargetEvent event) {
|
||||||
|
if (!fShowInsertionFeedback && fLocation != LOCATION_NONE) {
|
||||||
|
event.feedback= DND.FEEDBACK_SELECT;
|
||||||
|
} else {
|
||||||
|
event.feedback= fLocation;
|
||||||
|
}
|
||||||
|
event.feedback|= fFeedback;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sets the drop operation to </code>DROP_NODE<code>.
|
||||||
|
*/
|
||||||
|
protected void clearDropOperation(DropTargetEvent event) {
|
||||||
|
event.detail= DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the requested drop operation.
|
||||||
|
*/
|
||||||
|
protected int getRequestedOperation() {
|
||||||
|
return fRequestedOperation;
|
||||||
|
}
|
||||||
|
|
||||||
|
protected void setDefaultFeedback(int feedback) {
|
||||||
|
fFeedback= feedback;
|
||||||
|
}
|
||||||
|
|
||||||
|
//---- helper methods to test DnD
|
||||||
|
|
||||||
|
public void internalTestSetLocation(int location) {
|
||||||
|
fLocation= location;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,113 @@
|
||||||
|
/*******************************************************************************
|
||||||
|
* Copyright (c) 2000, 2003 IBM Corporation and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* IBM Corporation - initial API and implementation
|
||||||
|
*******************************************************************************/
|
||||||
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.Iterator;
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
import org.eclipse.jface.util.Assert;
|
||||||
|
import org.eclipse.swt.dnd.DragSource;
|
||||||
|
import org.eclipse.swt.dnd.DragSourceEvent;
|
||||||
|
import org.eclipse.swt.dnd.DragSourceListener;
|
||||||
|
import org.eclipse.swt.dnd.Transfer;
|
||||||
|
import org.eclipse.swt.dnd.TransferData;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* A delegating drag adapter negotiates between a set of <code>TransferDragSourceListener</code>s
|
||||||
|
* On <code>dragStart</code> the adapter determines the listener to be used for any further
|
||||||
|
* <code>drag*</code> callbacks.
|
||||||
|
*/
|
||||||
|
public class DelegatingDragAdapter implements DragSourceListener {
|
||||||
|
private TransferDragSourceListener[] fPossibleListeners;
|
||||||
|
private List fActiveListeners;
|
||||||
|
private TransferDragSourceListener fFinishListener;
|
||||||
|
|
||||||
|
public DelegatingDragAdapter(TransferDragSourceListener[] listeners) {
|
||||||
|
setPossibleListeners(listeners);
|
||||||
|
}
|
||||||
|
|
||||||
|
protected void setPossibleListeners(TransferDragSourceListener[] listeners) {
|
||||||
|
Assert.isNotNull(listeners);
|
||||||
|
Assert.isTrue(fActiveListeners == null, "Can only set possible listeners before drag operation has started"); //$NON-NLS-1$
|
||||||
|
fPossibleListeners= listeners;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* non Java-doc
|
||||||
|
* @see DragSourceListener
|
||||||
|
*/
|
||||||
|
public void dragStart(DragSourceEvent event) {
|
||||||
|
fFinishListener= null;
|
||||||
|
boolean saveDoit= event.doit;
|
||||||
|
Object saveData= event.data;
|
||||||
|
boolean doIt= false;
|
||||||
|
List transfers= new ArrayList(fPossibleListeners.length);
|
||||||
|
fActiveListeners= new ArrayList(fPossibleListeners.length);
|
||||||
|
|
||||||
|
for (int i= 0; i < fPossibleListeners.length; i++) {
|
||||||
|
TransferDragSourceListener listener= fPossibleListeners[i];
|
||||||
|
event.doit= saveDoit;
|
||||||
|
listener.dragStart(event);
|
||||||
|
if (event.doit) {
|
||||||
|
transfers.add(listener.getTransfer());
|
||||||
|
fActiveListeners.add(listener);
|
||||||
|
}
|
||||||
|
doIt= doIt || event.doit;
|
||||||
|
}
|
||||||
|
if (doIt) {
|
||||||
|
((DragSource)event.widget).setTransfer((Transfer[])transfers.toArray(new Transfer[transfers.size()]));
|
||||||
|
}
|
||||||
|
event.data= saveData;
|
||||||
|
event.doit= doIt;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* non Java-doc
|
||||||
|
* @see DragSourceListener
|
||||||
|
*/
|
||||||
|
public void dragSetData(DragSourceEvent event) {
|
||||||
|
fFinishListener= getListener(event.dataType);
|
||||||
|
if (fFinishListener != null)
|
||||||
|
fFinishListener.dragSetData(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* non Java-doc
|
||||||
|
* @see DragSourceListener
|
||||||
|
*/
|
||||||
|
public void dragFinished(DragSourceEvent event) {
|
||||||
|
try{
|
||||||
|
if (fFinishListener != null) {
|
||||||
|
fFinishListener.dragFinished(event);
|
||||||
|
} else {
|
||||||
|
// If the user presses Escape then we get a dragFinished without
|
||||||
|
// getting a dragSetData before.
|
||||||
|
fFinishListener= getListener(event.dataType);
|
||||||
|
if (fFinishListener != null)
|
||||||
|
fFinishListener.dragFinished(event);
|
||||||
|
}
|
||||||
|
} finally{
|
||||||
|
fFinishListener= null;
|
||||||
|
fActiveListeners= null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private TransferDragSourceListener getListener(TransferData type) {
|
||||||
|
if (type == null)
|
||||||
|
return null;
|
||||||
|
|
||||||
|
for (Iterator iter= fActiveListeners.iterator(); iter.hasNext();) {
|
||||||
|
TransferDragSourceListener listener= (TransferDragSourceListener)iter.next();
|
||||||
|
if (listener.getTransfer().isSupportedType(type)) {
|
||||||
|
return listener;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,264 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
|
import org.eclipse.core.runtime.Platform;
|
||||||
|
import org.eclipse.jface.util.Assert;
|
||||||
|
import org.eclipse.jface.util.SafeRunnable;
|
||||||
|
import org.eclipse.swt.dnd.DND;
|
||||||
|
import org.eclipse.swt.dnd.DropTargetEvent;
|
||||||
|
import org.eclipse.swt.dnd.DropTargetListener;
|
||||||
|
import org.eclipse.swt.dnd.Transfer;
|
||||||
|
import org.eclipse.swt.dnd.TransferData;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* DelegatingDropAdapter
|
||||||
|
*/
|
||||||
|
public class DelegatingDropAdapter implements DropTargetListener {
|
||||||
|
private TransferDropTargetListener[] fListeners;
|
||||||
|
TransferDropTargetListener fCurrentListener;
|
||||||
|
private int fOriginalDropType;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Creates a new delegating drop adapter.
|
||||||
|
*
|
||||||
|
* @param listeners an array of potential listeners
|
||||||
|
*/
|
||||||
|
public DelegatingDropAdapter(TransferDropTargetListener[] listeners) {
|
||||||
|
Assert.isNotNull(listeners);
|
||||||
|
fListeners= listeners;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The cursor has entered the drop target boundaries. The current listener
|
||||||
|
* is updated, and <code>#dragEnter()</code> is forwarded to the current
|
||||||
|
* listener.
|
||||||
|
*
|
||||||
|
* @param event the drop target event
|
||||||
|
* @see DropTargetListener#dragEnter(DropTargetEvent)
|
||||||
|
*/
|
||||||
|
public void dragEnter(DropTargetEvent event) {
|
||||||
|
fOriginalDropType= event.detail;
|
||||||
|
updateCurrentListener(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The cursor has left the drop target boundaries. The event is forwarded to
|
||||||
|
* the current listener.
|
||||||
|
*
|
||||||
|
* @param event the drop target event
|
||||||
|
* @see DropTargetListener#dragLeave(DropTargetEvent)
|
||||||
|
*/
|
||||||
|
public void dragLeave(final DropTargetEvent event) {
|
||||||
|
setCurrentListener(null, event);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The operation being performed has changed (usually due to the user
|
||||||
|
* changing a drag modifier key while dragging). Updates the current
|
||||||
|
* listener and forwards this event to that listener.
|
||||||
|
*
|
||||||
|
* @param event the drop target event
|
||||||
|
* @see DropTargetListener#dragOperationChanged(DropTargetEvent)
|
||||||
|
*/
|
||||||
|
public void dragOperationChanged(final DropTargetEvent event) {
|
||||||
|
fOriginalDropType= event.detail;
|
||||||
|
TransferDropTargetListener oldListener= getCurrentListener();
|
||||||
|
updateCurrentListener(event);
|
||||||
|
final TransferDropTargetListener newListener= getCurrentListener();
|
||||||
|
// only notify the current listener if it hasn't changed based on the
|
||||||
|
// operation change. otherwise the new listener would get a dragEnter
|
||||||
|
// followed by a dragOperationChanged with the exact same event.
|
||||||
|
if (newListener != null && newListener == oldListener) {
|
||||||
|
Platform.run(new SafeRunnable() {
|
||||||
|
public void run() throws Exception {
|
||||||
|
newListener.dragOperationChanged(event);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The cursor is moving over the drop target. Updates the current listener
|
||||||
|
* and forwards this event to that listener. If no listener can handle the
|
||||||
|
* drag operation the <code>event.detail</code> field is set to
|
||||||
|
* <code>DND.DROP_NONE</code> to indicate an invalid drop.
|
||||||
|
*
|
||||||
|
* @param event the drop target event
|
||||||
|
* @see DropTargetListener#dragOver(DropTargetEvent)
|
||||||
|
*/
|
||||||
|
public void dragOver(final DropTargetEvent event) {
|
||||||
|
TransferDropTargetListener oldListener= getCurrentListener();
|
||||||
|
updateCurrentListener(event);
|
||||||
|
final TransferDropTargetListener newListener= getCurrentListener();
|
||||||
|
|
||||||
|
// only notify the current listener if it hasn't changed based on the
|
||||||
|
// drag over. otherwise the new listener would get a dragEnter
|
||||||
|
// followed by a dragOver with the exact same event.
|
||||||
|
if (newListener != null && newListener == oldListener) {
|
||||||
|
Platform.run(new SafeRunnable() {
|
||||||
|
public void run() throws Exception {
|
||||||
|
newListener.dragOver(event);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Forwards this event to the current listener, if there is one. Sets the
|
||||||
|
* current listener to <code>null</code> afterwards.
|
||||||
|
*
|
||||||
|
* @param event the drop target event
|
||||||
|
* @see DropTargetListener#drop(DropTargetEvent)
|
||||||
|
*/
|
||||||
|
public void drop(final DropTargetEvent event) {
|
||||||
|
updateCurrentListener(event);
|
||||||
|
if (getCurrentListener() != null) {
|
||||||
|
Platform.run(new SafeRunnable() {
|
||||||
|
public void run() throws Exception {
|
||||||
|
getCurrentListener().drop(event);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
setCurrentListener(null, event);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Forwards this event to the current listener if there is one.
|
||||||
|
*
|
||||||
|
* @param event the drop target event
|
||||||
|
* @see DropTargetListener#dropAccept(DropTargetEvent)
|
||||||
|
*/
|
||||||
|
public void dropAccept(final DropTargetEvent event) {
|
||||||
|
if (getCurrentListener() != null) {
|
||||||
|
Platform.run(new SafeRunnable() {
|
||||||
|
public void run() throws Exception {
|
||||||
|
getCurrentListener().dropAccept(event);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the listener which currently handles drop events.
|
||||||
|
*
|
||||||
|
* @return the <code>TransferDropTargetListener</code> which currently
|
||||||
|
* handles drop events.
|
||||||
|
*/
|
||||||
|
TransferDropTargetListener getCurrentListener() {
|
||||||
|
return fCurrentListener;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the transfer data type supported by the given listener. Returns
|
||||||
|
* <code>null</code> if the listener does not support any of the specified
|
||||||
|
* data types.
|
||||||
|
*
|
||||||
|
* @param dataTypes available data types
|
||||||
|
* @param listener <code>TransferDropTargetListener</code> to use for
|
||||||
|
* testing supported data types.
|
||||||
|
* @return the transfer data type supported by the given listener or
|
||||||
|
* <code>null</code>.
|
||||||
|
*/
|
||||||
|
private TransferData getSupportedTransferType(TransferData[] dataTypes, TransferDropTargetListener listener) {
|
||||||
|
for (int i= 0; i < dataTypes.length; i++) {
|
||||||
|
if (listener.getTransfer().isSupportedType(dataTypes[i])) {
|
||||||
|
return dataTypes[i];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the combined set of <code>Transfer</code> types of all
|
||||||
|
* <code>TransferDropTargetListeners</code>.
|
||||||
|
*
|
||||||
|
* @return the combined set of <code>Transfer</code> types
|
||||||
|
*/
|
||||||
|
public Transfer[] getTransfers() {
|
||||||
|
Transfer[] types= new Transfer[fListeners.length];
|
||||||
|
for (int i= 0; i < fListeners.length; i++) {
|
||||||
|
types[i]= fListeners[i].getTransfer();
|
||||||
|
}
|
||||||
|
return types;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sets the current listener to <code>listener</code>. Sends the given
|
||||||
|
* <code>DropTargetEvent</code> if the current listener changes.
|
||||||
|
*
|
||||||
|
* @return <code>true</code> if the new listener is different than the
|
||||||
|
* previous <code>false</code> otherwise
|
||||||
|
*/
|
||||||
|
private boolean setCurrentListener(TransferDropTargetListener listener, final DropTargetEvent event) {
|
||||||
|
if (fCurrentListener == listener)
|
||||||
|
return false;
|
||||||
|
if (fCurrentListener != null) {
|
||||||
|
Platform.run(new SafeRunnable() {
|
||||||
|
public void run() throws Exception {
|
||||||
|
fCurrentListener.dragLeave(event);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
fCurrentListener= listener;
|
||||||
|
if (fCurrentListener != null) {
|
||||||
|
Platform.run(new SafeRunnable() {
|
||||||
|
public void run() throws Exception {
|
||||||
|
fCurrentListener.dragEnter(event);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Updates the current listener to one that can handle the drop. There can
|
||||||
|
* be many listeners and each listener may be able to handle many
|
||||||
|
* <code>TransferData</code> types. The first listener found that can
|
||||||
|
* handle a drop of one of the given <code>TransferData</code> types will
|
||||||
|
* be selected. If no listener can handle the drag operation the
|
||||||
|
* <code>event.detail</code> field is set to <code>DND.DROP_NONE</code>
|
||||||
|
* to indicate an invalid drop.
|
||||||
|
*
|
||||||
|
* @param event the drop target event
|
||||||
|
*/
|
||||||
|
private void updateCurrentListener(DropTargetEvent event) {
|
||||||
|
int originalDetail= event.detail;
|
||||||
|
// Revert the detail to the "original" drop type that the User
|
||||||
|
// indicated. This is necessary because the previous listener
|
||||||
|
// may have changed the detail to something other than what the
|
||||||
|
// user indicated.
|
||||||
|
event.detail= fOriginalDropType;
|
||||||
|
|
||||||
|
for (int i= 0; i < fListeners.length; i++) {
|
||||||
|
TransferDropTargetListener listener= fListeners[i];
|
||||||
|
TransferData dataType= getSupportedTransferType(event.dataTypes, listener);
|
||||||
|
if (dataType != null) {
|
||||||
|
TransferData originalDataType= event.currentDataType;
|
||||||
|
// set the data type supported by the drop listener
|
||||||
|
event.currentDataType= dataType;
|
||||||
|
if (listener.isEnabled(event)) {
|
||||||
|
// if the listener stays the same, set its previously
|
||||||
|
// determined
|
||||||
|
// event detail
|
||||||
|
if (!setCurrentListener(listener, event))
|
||||||
|
event.detail= originalDetail;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
event.currentDataType= originalDataType;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
setCurrentListener(null, event);
|
||||||
|
event.detail= DND.DROP_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -8,7 +8,7 @@
|
||||||
* Contributors:
|
* Contributors:
|
||||||
* IBM Corporation - initial API and implementation
|
* IBM Corporation - initial API and implementation
|
||||||
*******************************************************************************/
|
*******************************************************************************/
|
||||||
package org.eclipse.cdt.internal.ui.drag;
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
import java.lang.reflect.InvocationTargetException;
|
import java.lang.reflect.InvocationTargetException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
|
|
@ -62,9 +62,7 @@ public class FileTransferDragAdapter implements TransferDragSourceListener {
|
||||||
}
|
}
|
||||||
|
|
||||||
public void dragSetData(DragSourceEvent event) {
|
public void dragSetData(DragSourceEvent event) {
|
||||||
String[] locations = getResourceLocations(getResources());
|
event.data = getResourceLocations(getResources());
|
||||||
|
|
||||||
event.data = locations.length != 0 ? locations : null;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
public void dragFinished(DragSourceEvent event) {
|
public void dragFinished(DragSourceEvent event) {
|
||||||
|
|
@ -132,10 +130,11 @@ public class FileTransferDragAdapter implements TransferDragSourceListener {
|
||||||
Object object = iterator.next();
|
Object object = iterator.next();
|
||||||
IResource resource = null;
|
IResource resource = null;
|
||||||
|
|
||||||
if (object instanceof IResource)
|
if (object instanceof IResource) {
|
||||||
resource = (IResource) object;
|
resource = (IResource) object;
|
||||||
else if (object instanceof IAdaptable)
|
} else if (object instanceof IAdaptable) {
|
||||||
resource = (IResource) ((IAdaptable) object).getAdapter(IResource.class);
|
resource = (IResource) ((IAdaptable) object).getAdapter(IResource.class);
|
||||||
|
}
|
||||||
|
|
||||||
if (resource != null)
|
if (resource != null)
|
||||||
result.add(resource);
|
result.add(resource);
|
||||||
|
|
@ -146,16 +145,18 @@ public class FileTransferDragAdapter implements TransferDragSourceListener {
|
||||||
}
|
}
|
||||||
|
|
||||||
private static String[] getResourceLocations(List resources) {
|
private static String[] getResourceLocations(List resources) {
|
||||||
final int count = resources.size();
|
if (!resources.isEmpty()) {
|
||||||
final List locations = new ArrayList(count);
|
int count = resources.size();
|
||||||
|
List locations = new ArrayList(count);
|
||||||
|
|
||||||
for (Iterator iterator = resources.iterator(); iterator.hasNext();) {
|
for (Iterator iterator = resources.iterator(); iterator.hasNext();) {
|
||||||
IResource resource = (IResource) iterator.next();
|
IResource resource = (IResource) iterator.next();
|
||||||
IPath location = resource.getLocation();
|
IPath location = resource.getLocation();
|
||||||
|
|
||||||
if (location != null)
|
if (location != null) {
|
||||||
locations.add(location.toOSString());
|
locations.add(location.toOSString());
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
String[] result = new String[locations.size()];
|
String[] result = new String[locations.size()];
|
||||||
|
|
||||||
|
|
@ -163,6 +164,8 @@ public class FileTransferDragAdapter implements TransferDragSourceListener {
|
||||||
|
|
||||||
return result;
|
return result;
|
||||||
}
|
}
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
private static void runOperation(
|
private static void runOperation(
|
||||||
IRunnableWithProgress operation,
|
IRunnableWithProgress operation,
|
||||||
|
|
@ -0,0 +1,111 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
|
import org.eclipse.cdt.core.model.ICElement;
|
||||||
|
import org.eclipse.core.resources.IContainer;
|
||||||
|
import org.eclipse.core.resources.IResource;
|
||||||
|
import org.eclipse.core.resources.ResourceAttributes;
|
||||||
|
import org.eclipse.core.runtime.IAdaptable;
|
||||||
|
import org.eclipse.jface.viewers.AbstractTreeViewer;
|
||||||
|
import org.eclipse.swt.dnd.DND;
|
||||||
|
import org.eclipse.swt.dnd.DropTargetEvent;
|
||||||
|
import org.eclipse.swt.dnd.FileTransfer;
|
||||||
|
import org.eclipse.swt.dnd.Transfer;
|
||||||
|
import org.eclipse.swt.widgets.Display;
|
||||||
|
import org.eclipse.swt.widgets.Shell;
|
||||||
|
import org.eclipse.ui.actions.CopyFilesAndFoldersOperation;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* FileTransferDropAdapter
|
||||||
|
*/
|
||||||
|
public class FileTransferDropAdapter extends CDTViewerDropAdapter implements TransferDropTargetListener {
|
||||||
|
|
||||||
|
public FileTransferDropAdapter(AbstractTreeViewer viewer) {
|
||||||
|
super(viewer, DND.FEEDBACK_SCROLL | DND.FEEDBACK_EXPAND);
|
||||||
|
}
|
||||||
|
|
||||||
|
//---- TransferDropTargetListener interface ---------------------------------------
|
||||||
|
|
||||||
|
public Transfer getTransfer() {
|
||||||
|
return FileTransfer.getInstance();
|
||||||
|
}
|
||||||
|
|
||||||
|
public boolean isEnabled(DropTargetEvent event) {
|
||||||
|
Object target= event.item != null ? event.item.getData() : null;
|
||||||
|
if (target == null) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
return target instanceof ICElement || target instanceof IResource;
|
||||||
|
}
|
||||||
|
|
||||||
|
//---- Actual DND -----------------------------------------------------------------
|
||||||
|
|
||||||
|
public void validateDrop(Object target, DropTargetEvent event, int operation) {
|
||||||
|
event.detail= DND.DROP_NONE;
|
||||||
|
boolean isContainer = false;
|
||||||
|
if (target instanceof IContainer) {
|
||||||
|
isContainer = true;
|
||||||
|
} else if (target instanceof IAdaptable) {
|
||||||
|
target = ((IAdaptable)target).getAdapter(IResource.class);
|
||||||
|
isContainer = target instanceof IContainer;
|
||||||
|
}
|
||||||
|
if (isContainer) {
|
||||||
|
IContainer container= (IContainer)target;
|
||||||
|
if (container.isAccessible()) {
|
||||||
|
ResourceAttributes attributes = container.getResourceAttributes();
|
||||||
|
if (attributes != null && !attributes.isReadOnly()) {
|
||||||
|
event.detail= DND.DROP_COPY;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public void drop(Object dropTarget, final DropTargetEvent event) {
|
||||||
|
int operation= event.detail;
|
||||||
|
|
||||||
|
event.detail= DND.DROP_NONE;
|
||||||
|
final Object data= event.data;
|
||||||
|
if (data == null || !(data instanceof String[]) || operation != DND.DROP_COPY)
|
||||||
|
return;
|
||||||
|
|
||||||
|
final IContainer target= getActualTarget(dropTarget);
|
||||||
|
if (target == null)
|
||||||
|
return;
|
||||||
|
|
||||||
|
// Run the import operation asynchronously.
|
||||||
|
// Otherwise the drag source (e.g., Windows Explorer) will be blocked
|
||||||
|
// while the operation executes. Fixes bug 35796.
|
||||||
|
Display.getCurrent().asyncExec(new Runnable() {
|
||||||
|
public void run() {
|
||||||
|
getShell().forceActive();
|
||||||
|
new CopyFilesAndFoldersOperation(getShell()).copyFiles((String[]) data, target);
|
||||||
|
// Import always performs a copy.
|
||||||
|
event.detail= DND.DROP_COPY;
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
private IContainer getActualTarget(Object dropTarget) {
|
||||||
|
if (dropTarget instanceof IContainer) {
|
||||||
|
return (IContainer)dropTarget;
|
||||||
|
} else if (dropTarget instanceof ICElement) {
|
||||||
|
return getActualTarget(((ICElement)dropTarget).getResource());
|
||||||
|
}
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
Shell getShell() {
|
||||||
|
return getViewer().getControl().getShell();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -8,7 +8,7 @@
|
||||||
* Contributors:
|
* Contributors:
|
||||||
* IBM Corporation - initial API and implementation
|
* IBM Corporation - initial API and implementation
|
||||||
*******************************************************************************/
|
*******************************************************************************/
|
||||||
package org.eclipse.cdt.internal.ui.drag;
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
import java.util.Collections;
|
import java.util.Collections;
|
||||||
|
|
@ -57,31 +57,7 @@ public class ResourceTransferDragAdapter implements TransferDragSourceListener {
|
||||||
}
|
}
|
||||||
|
|
||||||
public void dragStart(DragSourceEvent event) {
|
public void dragStart(DragSourceEvent event) {
|
||||||
event.doit = false;
|
event.doit = getSelectedResources().length > 0;
|
||||||
|
|
||||||
ISelection selection = provider.getSelection();
|
|
||||||
|
|
||||||
if (selection instanceof IStructuredSelection) {
|
|
||||||
IStructuredSelection structured = (IStructuredSelection) selection;
|
|
||||||
|
|
||||||
for (Iterator iterator = structured.iterator(); iterator.hasNext();) {
|
|
||||||
Object element = iterator.next();
|
|
||||||
|
|
||||||
if (element instanceof IAdaptable) {
|
|
||||||
IAdaptable adaptable = (IAdaptable) element;
|
|
||||||
IResource resource = (IResource) adaptable.getAdapter(IResource.class);
|
|
||||||
|
|
||||||
if (resource == null) {
|
|
||||||
event.doit = false;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
// this will stick unless a later part of the
|
|
||||||
// selection isn't adaptable into a resource
|
|
||||||
event.doit = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
public void dragSetData(DragSourceEvent event) {
|
public void dragSetData(DragSourceEvent event) {
|
||||||
|
|
@ -127,12 +103,14 @@ public class ResourceTransferDragAdapter implements TransferDragSourceListener {
|
||||||
|
|
||||||
for (Iterator iterator = structured.iterator(); iterator.hasNext();) {
|
for (Iterator iterator = structured.iterator(); iterator.hasNext();) {
|
||||||
Object element = iterator.next();
|
Object element = iterator.next();
|
||||||
|
IResource resource = null;
|
||||||
if (element instanceof IAdaptable) {
|
if (element instanceof IResource) {
|
||||||
|
resource = (IResource)element;
|
||||||
|
} else if (element instanceof IAdaptable) {
|
||||||
IAdaptable adaptable = (IAdaptable) element;
|
IAdaptable adaptable = (IAdaptable) element;
|
||||||
IResource resource = (IResource) adaptable.getAdapter(IResource.class);
|
resource = (IResource) adaptable.getAdapter(IResource.class);
|
||||||
|
}
|
||||||
if (resource != null)
|
if (resource != null) {
|
||||||
resources.add(resource);
|
resources.add(resource);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
@ -0,0 +1,160 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.Iterator;
|
||||||
|
|
||||||
|
import org.eclipse.cdt.core.model.ICElement;
|
||||||
|
import org.eclipse.core.resources.IContainer;
|
||||||
|
import org.eclipse.core.resources.IResource;
|
||||||
|
import org.eclipse.core.runtime.IAdaptable;
|
||||||
|
import org.eclipse.jface.viewers.ISelection;
|
||||||
|
import org.eclipse.jface.viewers.IStructuredSelection;
|
||||||
|
import org.eclipse.jface.viewers.StructuredViewer;
|
||||||
|
import org.eclipse.swt.dnd.DND;
|
||||||
|
import org.eclipse.swt.dnd.DropTargetEvent;
|
||||||
|
import org.eclipse.swt.dnd.Transfer;
|
||||||
|
import org.eclipse.swt.widgets.Shell;
|
||||||
|
import org.eclipse.ui.actions.CopyFilesAndFoldersOperation;
|
||||||
|
import org.eclipse.ui.actions.MoveFilesAndFoldersOperation;
|
||||||
|
import org.eclipse.ui.actions.ReadOnlyStateChecker;
|
||||||
|
import org.eclipse.ui.part.ResourceTransfer;
|
||||||
|
import org.eclipse.ui.views.navigator.LocalSelectionTransfer;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* ResourceTransferDropAdapter
|
||||||
|
*/
|
||||||
|
public class ResourceTransferDropAdapter extends CDTViewerDropAdapter implements TransferDropTargetListener {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param viewer
|
||||||
|
*/
|
||||||
|
public ResourceTransferDropAdapter(StructuredViewer viewer) {
|
||||||
|
super(viewer, DND.FEEDBACK_SCROLL | DND.FEEDBACK_EXPAND);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* (non-Javadoc)
|
||||||
|
* @see org.eclipse.cdt.internal.ui.drag.TransferDropTargetListener#getTransfer()
|
||||||
|
*/
|
||||||
|
public Transfer getTransfer() {
|
||||||
|
return ResourceTransfer.getInstance();
|
||||||
|
}
|
||||||
|
|
||||||
|
/* (non-Javadoc)
|
||||||
|
* @see org.eclipse.cdt.internal.ui.drag.TransferDropTargetListener#isEnabled(org.eclipse.swt.dnd.DropTargetEvent)
|
||||||
|
*/
|
||||||
|
public boolean isEnabled(DropTargetEvent event) {
|
||||||
|
Object target= event.item != null ? event.item.getData() : null;
|
||||||
|
if (target == null) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
return target instanceof ICElement || target instanceof IResource;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void validateDrop(Object target, DropTargetEvent event, int op) {
|
||||||
|
IContainer destination = getDestination(target);
|
||||||
|
if (destination == null) {
|
||||||
|
event.detail = DND.DROP_NONE;
|
||||||
|
} else {
|
||||||
|
IResource[] selectedResources = getSelectedResources();
|
||||||
|
if (selectedResources.length == 0) {
|
||||||
|
event.detail = DND.DROP_NONE;
|
||||||
|
} else {
|
||||||
|
if (op == DND.DROP_COPY) {
|
||||||
|
CopyFilesAndFoldersOperation operation = new CopyFilesAndFoldersOperation(getShell());
|
||||||
|
if (operation.validateDestination(destination, selectedResources) == null) {
|
||||||
|
event.detail = op;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
MoveFilesAndFoldersOperation operation = new MoveFilesAndFoldersOperation(getShell());
|
||||||
|
if (operation.validateDestination(destination, selectedResources) == null) {
|
||||||
|
event.detail = op;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public void drop(Object dropTarget, final DropTargetEvent event) {
|
||||||
|
int op= event.detail;
|
||||||
|
|
||||||
|
event.detail= DND.DROP_NONE;
|
||||||
|
final Object data= event.data;
|
||||||
|
if (data == null || !(data instanceof IResource[]))
|
||||||
|
return;
|
||||||
|
|
||||||
|
final IContainer target= getDestination(dropTarget);
|
||||||
|
if (target == null) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
IResource[] sources = (IResource[])data;
|
||||||
|
if (op == DND.DROP_COPY) {
|
||||||
|
CopyFilesAndFoldersOperation operation = new CopyFilesAndFoldersOperation(getShell());
|
||||||
|
operation.copyResources(sources, target);
|
||||||
|
} else {
|
||||||
|
ReadOnlyStateChecker checker = new ReadOnlyStateChecker(
|
||||||
|
getShell(),
|
||||||
|
"Move Resource Action", //$NON-NLS-1$
|
||||||
|
"Move Resource Action");//$NON-NLS-1$
|
||||||
|
sources = checker.checkReadOnlyResources(sources);
|
||||||
|
MoveFilesAndFoldersOperation operation = new MoveFilesAndFoldersOperation(getShell());
|
||||||
|
operation.copyResources(sources, target);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private IContainer getDestination(Object dropTarget) {
|
||||||
|
if (dropTarget instanceof IContainer) {
|
||||||
|
return (IContainer)dropTarget;
|
||||||
|
} else if (dropTarget instanceof ICElement) {
|
||||||
|
return getDestination(((ICElement)dropTarget).getResource());
|
||||||
|
}
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the resource selection from the LocalSelectionTransfer.
|
||||||
|
*
|
||||||
|
* @return the resource selection from the LocalSelectionTransfer
|
||||||
|
*/
|
||||||
|
private IResource[] getSelectedResources() {
|
||||||
|
ArrayList selectedResources = new ArrayList();
|
||||||
|
|
||||||
|
ISelection selection = LocalSelectionTransfer.getInstance()
|
||||||
|
.getSelection();
|
||||||
|
if (selection instanceof IStructuredSelection) {
|
||||||
|
IStructuredSelection ssel = (IStructuredSelection) selection;
|
||||||
|
for (Iterator i = ssel.iterator(); i.hasNext();) {
|
||||||
|
Object o = i.next();
|
||||||
|
if (o instanceof IResource) {
|
||||||
|
selectedResources.add(o);
|
||||||
|
}
|
||||||
|
else if (o instanceof IAdaptable) {
|
||||||
|
IAdaptable a = (IAdaptable) o;
|
||||||
|
IResource r = (IResource) a.getAdapter(IResource.class);
|
||||||
|
if (r != null) {
|
||||||
|
selectedResources.add(r);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return (IResource[]) selectedResources.toArray(new IResource[selectedResources.size()]);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the shell
|
||||||
|
*/
|
||||||
|
protected Shell getShell() {
|
||||||
|
return getViewer().getControl().getShell();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -8,7 +8,7 @@
|
||||||
* Contributors:
|
* Contributors:
|
||||||
* IBM Corporation - initial API and implementation
|
* IBM Corporation - initial API and implementation
|
||||||
*******************************************************************************/
|
*******************************************************************************/
|
||||||
package org.eclipse.cdt.internal.ui.drag;
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
import org.eclipse.swt.dnd.DragSourceListener;
|
import org.eclipse.swt.dnd.DragSourceListener;
|
||||||
import org.eclipse.swt.dnd.Transfer;
|
import org.eclipse.swt.dnd.Transfer;
|
||||||
|
|
@ -0,0 +1,38 @@
|
||||||
|
/**********************************************************************
|
||||||
|
* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
|
||||||
|
* All rights reserved. This program and the accompanying materials
|
||||||
|
* are made available under the terms of the Common Public License v1.0
|
||||||
|
* which accompanies this distribution, and is available at
|
||||||
|
* http://www.eclipse.org/legal/cpl-v10.html
|
||||||
|
*
|
||||||
|
* Contributors:
|
||||||
|
* QNX Software Systems - Initial API and implementation
|
||||||
|
***********************************************************************/
|
||||||
|
|
||||||
|
package org.eclipse.cdt.internal.ui.dnd;
|
||||||
|
|
||||||
|
import org.eclipse.swt.dnd.DropTargetEvent;
|
||||||
|
import org.eclipse.swt.dnd.DropTargetListener;
|
||||||
|
import org.eclipse.swt.dnd.Transfer;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* TransferDropTargetListener
|
||||||
|
*/
|
||||||
|
public interface TransferDropTargetListener extends DropTargetListener {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the transfer used by this drop target.
|
||||||
|
*/
|
||||||
|
public Transfer getTransfer();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns whether the listener is able to handle the given
|
||||||
|
* drop traget event.
|
||||||
|
*
|
||||||
|
* @param event the drop target event
|
||||||
|
*
|
||||||
|
* @return <code>true</code> if the listener can handle the event;
|
||||||
|
* otherwise <code>false</code>
|
||||||
|
*/
|
||||||
|
public boolean isEnabled(DropTargetEvent event);
|
||||||
|
}
|
||||||
|
|
@ -1,140 +0,0 @@
|
||||||
/*******************************************************************************
|
|
||||||
* Copyright (c) 2000, 2003 IBM Corporation and others.
|
|
||||||
* All rights reserved. This program and the accompanying materials
|
|
||||||
* are made available under the terms of the Common Public License v1.0
|
|
||||||
* which accompanies this distribution, and is available at
|
|
||||||
* http://www.eclipse.org/legal/cpl-v10.html
|
|
||||||
*
|
|
||||||
* Contributors:
|
|
||||||
* IBM Corporation - initial API and implementation
|
|
||||||
*******************************************************************************/
|
|
||||||
package org.eclipse.cdt.internal.ui.drag;
|
|
||||||
|
|
||||||
import java.util.Arrays;
|
|
||||||
|
|
||||||
import org.eclipse.jface.util.Assert;
|
|
||||||
import org.eclipse.jface.viewers.ISelectionProvider;
|
|
||||||
import org.eclipse.swt.dnd.DragSource;
|
|
||||||
import org.eclipse.swt.dnd.DragSourceEvent;
|
|
||||||
import org.eclipse.swt.dnd.DragSourceListener;
|
|
||||||
import org.eclipse.swt.dnd.Transfer;
|
|
||||||
import org.eclipse.swt.dnd.TransferData;
|
|
||||||
import org.eclipse.swt.widgets.Control;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* A delegating drag adapter negotiates between a set of <code>TransferDragSourceListener</code>s
|
|
||||||
* On <code>dragStart</code> the adapter determines the listener to be used for any further
|
|
||||||
* <code>drag*</code> callbacks.
|
|
||||||
*/
|
|
||||||
public class DelegatingDragAdapter implements DragSourceListener {
|
|
||||||
private final ISelectionProvider provider;
|
|
||||||
private final TransferDragSourceListener[] listeners;
|
|
||||||
private final boolean[] actives;
|
|
||||||
private TransferDragSourceListener selected;
|
|
||||||
|
|
||||||
public DelegatingDragAdapter(
|
|
||||||
ISelectionProvider provider,
|
|
||||||
TransferDragSourceListener[] listeners) {
|
|
||||||
super();
|
|
||||||
Assert.isNotNull(provider);
|
|
||||||
Assert.isNotNull(listeners);
|
|
||||||
this.provider = provider;
|
|
||||||
this.listeners = listeners;
|
|
||||||
this.actives = new boolean[listeners.length];
|
|
||||||
this.selected = null;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* non Java-doc
|
|
||||||
* @see DragSourceListener
|
|
||||||
*/
|
|
||||||
public void dragStart(DragSourceEvent event) {
|
|
||||||
selected = null;
|
|
||||||
|
|
||||||
if (provider.getSelection().isEmpty()) {
|
|
||||||
event.doit = false;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Workaround for 1GEUS9V
|
|
||||||
final DragSource dragSource = (DragSource) event.widget;
|
|
||||||
final Control control = dragSource.getControl();
|
|
||||||
|
|
||||||
if (control != control.getDisplay().getFocusControl()) {
|
|
||||||
event.doit = false;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
final Object saveData = event.data;
|
|
||||||
final boolean saveDoit = event.doit;
|
|
||||||
final int listenerCount = listeners.length;
|
|
||||||
|
|
||||||
int transferCount = 0;
|
|
||||||
|
|
||||||
for (int i = 0; i < listenerCount; ++i) {
|
|
||||||
TransferDragSourceListener listener = listeners[i];
|
|
||||||
|
|
||||||
event.data = saveData;
|
|
||||||
event.doit = saveDoit;
|
|
||||||
|
|
||||||
listener.dragStart(event);
|
|
||||||
|
|
||||||
if (actives[i] = event.doit)
|
|
||||||
++transferCount;
|
|
||||||
}
|
|
||||||
|
|
||||||
event.data = saveData;
|
|
||||||
|
|
||||||
if (event.doit = (transferCount != 0)) {
|
|
||||||
Transfer[] transferArray = new Transfer[transferCount];
|
|
||||||
|
|
||||||
for (int i = listenerCount; --i >= 0;)
|
|
||||||
if (actives[i])
|
|
||||||
transferArray[--transferCount] = listeners[i].getTransfer();
|
|
||||||
|
|
||||||
dragSource.setTransfer(transferArray);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* non Java-doc
|
|
||||||
* @see DragSourceListener
|
|
||||||
*/
|
|
||||||
public void dragSetData(DragSourceEvent event) {
|
|
||||||
selected = getListener(event.dataType);
|
|
||||||
|
|
||||||
if (selected != null)
|
|
||||||
selected.dragSetData(event);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* non Java-doc
|
|
||||||
* @see DragSourceListener
|
|
||||||
*/
|
|
||||||
public void dragFinished(DragSourceEvent event) {
|
|
||||||
try {
|
|
||||||
// If the user presses Escape then we get a dragFinished
|
|
||||||
// without getting a dragSetData before.
|
|
||||||
if (selected == null)
|
|
||||||
selected = getListener(event.dataType);
|
|
||||||
|
|
||||||
if (selected != null)
|
|
||||||
selected.dragFinished(event);
|
|
||||||
} finally {
|
|
||||||
Arrays.fill(actives, false);
|
|
||||||
selected = null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private TransferDragSourceListener getListener(TransferData type) {
|
|
||||||
if (type != null) {
|
|
||||||
for (int i = 0; i < actives.length; ++i) {
|
|
||||||
if (actives[i]) {
|
|
||||||
TransferDragSourceListener listener = listeners[i];
|
|
||||||
|
|
||||||
if (listener.getTransfer().isSupportedType(type))
|
|
||||||
return listener;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,60 +0,0 @@
|
||||||
/*******************************************************************************
|
|
||||||
* Copyright (c) 2000, 2003 IBM Corporation and others.
|
|
||||||
* All rights reserved. This program and the accompanying materials
|
|
||||||
* are made available under the terms of the Common Public License v1.0
|
|
||||||
* which accompanies this distribution, and is available at
|
|
||||||
* http://www.eclipse.org/legal/cpl-v10.html
|
|
||||||
*
|
|
||||||
* Contributors:
|
|
||||||
* IBM Corporation - initial API and implementation
|
|
||||||
*******************************************************************************/
|
|
||||||
package org.eclipse.cdt.internal.ui.drag;
|
|
||||||
|
|
||||||
import org.eclipse.cdt.ui.CLocalSelectionTransfer;
|
|
||||||
import org.eclipse.jface.util.Assert;
|
|
||||||
import org.eclipse.jface.viewers.ISelectionProvider;
|
|
||||||
import org.eclipse.swt.dnd.DragSourceEvent;
|
|
||||||
import org.eclipse.swt.dnd.Transfer;
|
|
||||||
|
|
||||||
public class LocalSelectionTransferDragAdapter implements TransferDragSourceListener {
|
|
||||||
private final ISelectionProvider provider;
|
|
||||||
private final CLocalSelectionTransfer transfer;
|
|
||||||
|
|
||||||
public LocalSelectionTransferDragAdapter(ISelectionProvider provider) {
|
|
||||||
super();
|
|
||||||
this.provider = provider;
|
|
||||||
this.transfer = CLocalSelectionTransfer.getInstance();
|
|
||||||
Assert.isNotNull(provider);
|
|
||||||
Assert.isNotNull(transfer);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* (non-Javadoc)
|
|
||||||
* @see DragSourceListener#dragStart
|
|
||||||
*/
|
|
||||||
public void dragStart(DragSourceEvent event) {
|
|
||||||
transfer.setSelection(provider.getSelection());
|
|
||||||
|
|
||||||
event.doit = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* (non-Javadoc)
|
|
||||||
* @see DragSourceListener#dragSetData
|
|
||||||
*/
|
|
||||||
public void dragSetData(DragSourceEvent event) {
|
|
||||||
event.data = transfer.isSupportedType(event.dataType) ? transfer.getSelection() : null;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* (non-Javadoc)
|
|
||||||
* @see DragSourceListener#dragFinished
|
|
||||||
*/
|
|
||||||
public void dragFinished(DragSourceEvent event) {
|
|
||||||
transfer.setSelection(null);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* (non-Javadoc)
|
|
||||||
* @see TransferDragSourceListener#getTransfer
|
|
||||||
*/
|
|
||||||
public Transfer getTransfer() {
|
|
||||||
return transfer;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,74 +0,0 @@
|
||||||
package org.eclipse.cdt.ui;
|
|
||||||
|
|
||||||
import java.util.Arrays;
|
|
||||||
|
|
||||||
import org.eclipse.jface.util.Assert;
|
|
||||||
import org.eclipse.jface.viewers.ISelection;
|
|
||||||
import org.eclipse.swt.dnd.ByteArrayTransfer;
|
|
||||||
import org.eclipse.swt.dnd.TransferData;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @author kcampbell
|
|
||||||
*/
|
|
||||||
public class CLocalSelectionTransfer extends ByteArrayTransfer {
|
|
||||||
private static final CLocalSelectionTransfer INSTANCE = new CLocalSelectionTransfer();
|
|
||||||
|
|
||||||
private final String typeName;
|
|
||||||
private final int typeId;
|
|
||||||
private ISelection selection;
|
|
||||||
|
|
||||||
private CLocalSelectionTransfer() {
|
|
||||||
super();
|
|
||||||
// Try to ensure that different Eclipse applications use different "types" of <code>CLocalSelectionTransfer</code>
|
|
||||||
typeName = "cdt-local-selection-transfer-format" + System.currentTimeMillis(); //$NON-NLS-1$;
|
|
||||||
typeId = registerType(typeName);
|
|
||||||
selection = null;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns the singleton.
|
|
||||||
*/
|
|
||||||
public static CLocalSelectionTransfer getInstance() {
|
|
||||||
return INSTANCE;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets the transfer data for local use.
|
|
||||||
*/
|
|
||||||
public void setSelection(ISelection selection) {
|
|
||||||
this.selection = selection;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns the local transfer data.
|
|
||||||
*/
|
|
||||||
public ISelection getSelection() {
|
|
||||||
return selection;
|
|
||||||
}
|
|
||||||
|
|
||||||
public void javaToNative(Object object, TransferData transferData) {
|
|
||||||
// No encoding needed since this is a hardcoded string read and written in the same process.
|
|
||||||
// See nativeToJava below
|
|
||||||
super.javaToNative(typeName.getBytes(), transferData);
|
|
||||||
}
|
|
||||||
|
|
||||||
public Object nativeToJava(TransferData transferData) {
|
|
||||||
Object result = super.nativeToJava(transferData);
|
|
||||||
|
|
||||||
// No decoding needed: see javaToNative above.
|
|
||||||
Assert.isTrue(result instanceof byte[] && Arrays.equals(typeName.getBytes(), (byte[]) result));
|
|
||||||
|
|
||||||
return selection;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The type id used to identify this transfer.
|
|
||||||
*/
|
|
||||||
protected int[] getTypeIds() {
|
|
||||||
return new int[] { typeId };
|
|
||||||
}
|
|
||||||
|
|
||||||
protected String[] getTypeNames() {
|
|
||||||
return new String[] { typeName };
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Add table
Reference in a new issue