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Code Issues Wiki Activity

Fix for 179456: [Editor] ExternalEditorInput should be persistable

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This commit is contained in:
Anton Leherbauer 2007-05-21 07:55:17 +00:00
parent c29ea1ef6b
commit c444dbe646
3 changed files with 129 additions and 21 deletions
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3
core/org.eclipse.cdt.ui/plugin.xml
View file

@ -60,6 +60,9 @@
<factory
class="org.eclipse.cdt.internal.ui.PersistableCElementFactory"
id="org.eclipse.cdt.ui.PersistableCElementFactory"/>
<factory
class="org.eclipse.cdt.internal.ui.util.ExternalEditorInputFactory"
id="org.eclipse.cdt.ui.ExternalEditorInputFactory"/>
</extension>
<!-- Implement our filters. -->

55
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/util/ExternalEditorInput.java
View file

@ -12,26 +12,28 @@
package org.eclipse.cdt.internal.ui.util;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.internal.ui.editor.ITranslationUnitEditorInput;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.IStorageEditorInput;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.editors.text.ILocationProvider;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.internal.ui.editor.ITranslationUnitEditorInput;
/**
* An EditorInput for an external (non-workspace) file.
*/
public class ExternalEditorInput implements ITranslationUnitEditorInput {
public class ExternalEditorInput implements ITranslationUnitEditorInput, IPersistableElement {
private IStorage externalFile;
private IResource markerResource;
@ -43,17 +45,21 @@ public class ExternalEditorInput implements ITranslationUnitEditorInput {
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!(obj instanceof ExternalEditorInput))
if (!(obj instanceof IStorageEditorInput))
return false;
ExternalEditorInput other = (ExternalEditorInput)obj;
return externalFile.equals(other.externalFile);
IStorageEditorInput other = (IStorageEditorInput)obj;
try {
return externalFile.equals(other.getStorage());
} catch (CoreException exc) {
return false;
}
}
/*
* @see IEditorInput#exists()
*/
public boolean exists() {
// External file ca not be deleted
// External file can not be deleted
return true;
}
@ -62,12 +68,7 @@ public class ExternalEditorInput implements ITranslationUnitEditorInput {
*/
public Object getAdapter(Class adapter) {
if (ILocationProvider.class.equals(adapter)) {
// workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=180003
// see also https://bugs.eclipse.org/bugs/show_bug.cgi?id=179982
if (location != null) {
return this;
}
return null;
return this;
}
return Platform.getAdapterManager().getAdapter(this, adapter);
}
@ -91,7 +92,7 @@ public class ExternalEditorInput implements ITranslationUnitEditorInput {
* @see IEditorInput#getPersistable()
*/
public IPersistableElement getPersistable() {
return null;
return this;
}
/*
@ -119,7 +120,7 @@ public class ExternalEditorInput implements ITranslationUnitEditorInput {
* @see org.eclipse.ui.editors.text.ILocationProvider#getPath(java.lang.Object)
*/
public IPath getPath(Object element) {
return location ;
return location;
}
public ExternalEditorInput(ITranslationUnit unit, IStorage exFile) {
@ -152,7 +153,19 @@ public class ExternalEditorInput implements ITranslationUnitEditorInput {
public IResource getMarkerResource() {
return markerResource;
}
/*
* @see org.eclipse.ui.IPersistableElement#getFactoryId()
*/
public String getFactoryId() {
return ExternalEditorInputFactory.ID;
}
/*
* @see org.eclipse.ui.IPersistable#saveState(org.eclipse.ui.IMemento)
*/
public void saveState(IMemento memento) {
ExternalEditorInputFactory.saveState(memento, this);
}
}

92
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/util/ExternalEditorInputFactory.java Normal file
View file

@ -0,0 +1,92 @@
/*******************************************************************************
* Copyright (c) 2007 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
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Anton Leherbauer (Wind River Systems) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.util;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.ui.IElementFactory;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.ITranslationUnit;
/**
* The ExternalEditorInputFactory is used to save and recreate an ExternalEditorInput object.
* As such, it implements the IPersistableElement interface for storage
* and the IElementFactory interface for recreation.
*
* @see IMemento
* @see IPersistableElement
* @see IElementFactory
*
* @since 4.0
*/
public class ExternalEditorInputFactory implements IElementFactory {
public static final String ID = "org.eclipse.cdt.ui.ExternalEditorInputFactory"; //$NON-NLS-1$
private static final String TAG_PATH = "path";//$NON-NLS-1$
private static final String TAG_PROJECT = "project";//$NON-NLS-1$
/*
* @see org.eclipse.ui.IElementFactory#createElement(org.eclipse.ui.IMemento)
*/
public IAdaptable createElement(IMemento memento) {
// Get the file name.
String fileName = memento.getString(TAG_PATH);
if (fileName == null) {
return null;
}
IPath location= new Path(fileName);
ICProject cProject= null;
String projectName= memento.getString(TAG_PROJECT);
if (projectName != null) {
IProject project= ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
if (project.isAccessible() && CoreModel.hasCNature(project)) {
cProject= CoreModel.getDefault().create(project);
}
}
return EditorUtility.getEditorInputForLocation(location, cProject);
}
/**
* Save the element state.
*
* @param memento the storage
* @param input the element
*/
static void saveState(IMemento memento, ExternalEditorInput input) {
IPath location= input.getPath(input);
if (location != null) {
memento.putString(TAG_PATH, location.toOSString());
}
IProject project= null;
ITranslationUnit unit= input.getTranslationUnit();
if (unit != null) {
project= unit.getCProject().getProject();
}
if (project == null && input.getMarkerResource() instanceof IProject) {
project= (IProject)input.getMarkerResource();
}
if (project != null) {
memento.putString(TAG_PROJECT, project.getName());
}
}
}