/*******************************************************************************
* Copyright (c) 2000, 2015 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
* Anton Leherbauer (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.ui.editors.automake;
import org.eclipse.cdt.core.model.ITranslationUnit;
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;
/**
* An EditorInput for an external (non-workspace) file.
*/
public class ExternalEditorInput implements ITranslationUnitEditorInput, IPersistableElement {
private IStorage externalFile;
private IResource markerResource;
private ITranslationUnit unit;
private IPath location;
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!(obj instanceof IStorageEditorInput))
return false;
IStorageEditorInput other = (IStorageEditorInput)obj;
try {
return externalFile.equals(other.getStorage());
} catch (CoreException exc) {
return false;
}
}
@Override
public int hashCode() {
return externalFile.hashCode();
}
@Override
public boolean exists() {
// External file can not be deleted
return true;
}
@SuppressWarnings("unchecked")
@Override
public <T> T getAdapter(Class<T> adapter) {
if (ILocationProvider.class.equals(adapter)) {
return (T) this;
}
return Platform.getAdapterManager().getAdapter(this, adapter);
}
@Override
public ImageDescriptor getImageDescriptor() {
IEditorRegistry registry= PlatformUI.getWorkbench().getEditorRegistry();
return registry.getImageDescriptor(externalFile.getFullPath().getFileExtension());
}
@Override
public String getName() {
return externalFile.getName();
}
@Override
public IPersistableElement getPersistable() {
return this;
}
@Override
public IStorage getStorage() {
return externalFile;
}
@Override
public String getToolTipText() {
return externalFile.getFullPath().toString();
}
@Override
public ITranslationUnit getTranslationUnit() {
return unit;
}
@Override
public IPath getPath(Object element) {
return location;
}
public ExternalEditorInput(ITranslationUnit unit, IStorage exFile) {
this(exFile, exFile.getFullPath());
this.unit = unit;
markerResource= unit.getCProject().getProject();
}
public ExternalEditorInput(IStorage exFile) {
this(exFile, exFile.getFullPath());
}
public ExternalEditorInput(IStorage exFile, IPath location) {
externalFile = exFile;
this.location = location;
}
/**
* This constructor accepts the storage for the editor
* and a reference to a resource which holds the markers for the external file.
*/
public ExternalEditorInput(IStorage exFile, IResource markerResource) {
this(exFile, exFile.getFullPath());
this.markerResource = markerResource ;
}
/**
* Return the resource where markers for this external editor input are stored
*/
public IResource getMarkerResource() {
return markerResource;
}
@Override
public String getFactoryId() {
return ExternalEditorInputFactory.ID;
}
@Override
public void saveState(IMemento memento) {
ExternalEditorInputFactory.saveState(memento, this);
}
}