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/*******************************************************************************
* Copyright (c) 2007, 2012 Wind River Systems, Inc. and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Anton Leherbauer (Wind River Systems) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.util;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.ITranslationUnit;
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;
/**
* 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)
*/
@Override
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();
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());
}
}
}
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