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Code Issues Wiki Activity

Bug 319405 - Create linked resources using drag-and-drop within project explorer

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This commit is contained in:
Anton Leherbauer 2010-08-24 11:26:36 +00:00
parent 951f6257a5
commit 93d328883d
1 changed files with 70 additions and 6 deletions
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76
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/navigator/CNavigatorDropAdapterAssistant.java
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@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2006, 2009 Wind River Systems, Inc. and others.
* Copyright (c) 2006, 2010 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
@ -30,14 +30,17 @@ import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.util.LocalSelectionTransfer;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.FileTransfer;
import org.eclipse.swt.dnd.TransferData;
import org.eclipse.swt.widgets.Display;
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.ide.dialogs.ImportTypeDialog;
import org.eclipse.ui.navigator.CommonDropAdapter;
import org.eclipse.ui.navigator.CommonDropAdapterAssistant;
import org.eclipse.ui.part.ResourceTransfer;
@ -98,6 +101,7 @@ public class CNavigatorDropAdapterAssistant extends CommonDropAdapterAssistant {
}
IResource[] resources = null;
TransferData currentTransfer = dropAdapter.getCurrentTransfer();
final int dropOperation = dropAdapter.getCurrentOperation();
if (LocalSelectionTransfer.getTransfer().isSupportedType(
currentTransfer)) {
resources = getSelectedResources();
@ -120,12 +124,11 @@ public class CNavigatorDropAdapterAssistant extends CommonDropAdapterAssistant {
public void run() {
getShell().forceActive();
CopyFilesAndFoldersOperation op= new CopyFilesAndFoldersOperation(getShell());
op.copyFiles(names, destination);
op.copyOrLinkFiles(names, destination, dropOperation);
}
});
} else if (event.detail == DND.DROP_COPY) {
CopyFilesAndFoldersOperation operation = new CopyFilesAndFoldersOperation(getShell());
operation.copyResources(resources, destination);
} else if (event.detail == DND.DROP_COPY || event.detail == DND.DROP_LINK) {
return performResourceCopy(dropAdapter, getShell(), resources);
} else {
ReadOnlyStateChecker checker = new ReadOnlyStateChecker(
getShell(),
@ -186,7 +189,7 @@ public class CNavigatorDropAdapterAssistant extends CommonDropAdapterAssistant {
return Status.CANCEL_STATUS;
}
}
if (operation == DND.DROP_COPY) {
if (operation == DND.DROP_COPY || operation == DND.DROP_LINK) {
CopyFilesAndFoldersOperation op = new CopyFilesAndFoldersOperation(getShell());
if (op.validateDestination(destination, selectedResources) == null) {
return Status.OK_STATUS;
@ -286,6 +289,67 @@ public class CNavigatorDropAdapterAssistant extends CommonDropAdapterAssistant {
return Status.CANCEL_STATUS;
}
/**
* Performs a resource copy.
* Cloned from ResourceDropAdapterAssistant to support linked resources (bug 319405).
*/
private IStatus performResourceCopy(CommonDropAdapter dropAdapter,
Shell shell, IResource[] sources) {
IContainer target = getDestination(dropAdapter.getCurrentTarget());
if (target == null) {
return Status.CANCEL_STATUS;
}
boolean shouldLinkAutomatically = false;
if (target.isVirtual()) {
shouldLinkAutomatically = true;
for (int i = 0; i < sources.length; i++) {
if ((sources[i].getType() != IResource.FILE) && (sources[i].getLocation() != null)) {
// If the source is a folder, but the location is null (a
// broken link, for example),
// we still generate a link automatically (the best option).
shouldLinkAutomatically = false;
break;
}
}
}
CopyFilesAndFoldersOperation operation = new CopyFilesAndFoldersOperation(shell);
// if the target is a virtual folder and all sources are files, then
// automatically create links
if (shouldLinkAutomatically) {
operation.setCreateLinks(true);
operation.copyResources(sources, target);
} else {
boolean allSourceAreLinksOrVirtualFolders = true;
for (int i = 0; i < sources.length; i++) {
if (!sources[i].isVirtual() && !sources[i].isLinked()) {
allSourceAreLinksOrVirtualFolders = false;
break;
}
}
// if all sources are either links or groups, copy then normally,
// don't show the dialog
if (!allSourceAreLinksOrVirtualFolders) {
ImportTypeDialog dialog = new ImportTypeDialog(getShell(), dropAdapter.getCurrentOperation(), sources, target);
dialog.setResource(target);
if (dialog.open() == Window.OK) {
if (dialog.getSelection() == ImportTypeDialog.IMPORT_VIRTUAL_FOLDERS_AND_LINKS)
operation.setVirtualFolders(true);
if (dialog.getSelection() == ImportTypeDialog.IMPORT_LINK)
operation.setCreateLinks(true);
if (dialog.getVariable() != null)
operation.setRelativeVariable(dialog.getVariable());
operation.copyResources(sources, target);
} else
return Status.CANCEL_STATUS;
} else
operation.copyResources(sources, target);
}
return Status.OK_STATUS;
}
private IStatus handleDropCopy(final Object target, DropTargetEvent event) throws CModelException, InvocationTargetException, InterruptedException{
ISelection selection = LocalSelectionTransfer.getTransfer().getSelection();
final ICElement[] cElements= getCElements(selection);