/*******************************************************************************
* Copyright (c) 2007, 2008 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ltk.ui.refactoring.examples;
import java.util.ArrayList;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IActionDelegate;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation;
import org.eclipse.ltk.ui.refactoring.resource.MoveResourcesWizard;
public class MoveResourcesRefactoringAction extends Action implements IActionDelegate {
/*
<extension
point="org.eclipse.ui.popupMenus">
<objectContribution
objectClass="org.eclipse.core.resources.IResource"
adaptable="true"
id="org.eclipse.ltk.ui.refactoring.examples.MoveResourcesRefactoringAction">
<action
label="Move Resources... (ltk.ui.refactoring.examples)"
tooltip="Move Resources... (ltk.ui.refactoring.examples)"
class="org.eclipse.ltk.ui.refactoring.examples.MoveResourcesRefactoringAction"
menubarPath="ExampleRefactoringAction"
enablesFor="*"
id="MoveResourcesRefactoringAction">
</action>
</objectContribution>
</extension>
*/
private IResource[] fResources;
@Override
public void run(IAction action) {
Shell shell= PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
if (fResources != null && isMoveAvailable(fResources)) {
try {
MoveResourcesWizard refactoringWizard= new MoveResourcesWizard(fResources);
RefactoringWizardOpenOperation op= new RefactoringWizardOpenOperation(refactoringWizard);
op.run(shell, "Move resources");
} catch (InterruptedException e) {
// cancelled
}
} else {
MessageDialog.openInformation(shell, "Move Resources", "Invalid selection. Can only move resources with the same parent.");
}
}
private static boolean isMoveAvailable(IResource[] resource) {
for (int i= 0; i < resource.length; i++) {
if (!resource[i].exists())
return false;
}
return true;
}
@Override
public void selectionChanged(IAction action, ISelection selection) {
fResources= null;
if (selection instanceof IStructuredSelection) {
fResources= evaluateResources((IStructuredSelection) selection);
}
setEnabled(fResources != null);
}
private static IResource[] evaluateResources(IStructuredSelection sel) {
Object[] objects= sel.toArray();
ArrayList<IResource> res= new ArrayList<>();
IContainer parent= null;
for (int i= 0; i < objects.length; i++) {
Object curr= objects[i];
if (curr instanceof IFile || curr instanceof IFolder) {
IResource resource= (IResource) curr;
if (parent == null) {
parent= resource.getParent();
} else if (!parent.equals(resource.getParent())) {
return null;
}
res.add(resource);
}
}
return res.toArray(new IResource[res.size()]);
}
}