/*******************************************************************************
* Copyright (C) 2012, Robin Stocker <robin@nibor.org>
*
* 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
*******************************************************************************/
package org.eclipse.egit.ui.internal.operations;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.egit.core.internal.util.ResourceUtil;
import org.eclipse.egit.core.op.DeletePathsOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.IShellProvider;
import org.eclipse.ui.actions.DeleteResourceAction;
/**
* Common UI for deleting paths (both resources that are part of projects and
* non-workspace paths).
*/
public class DeletePathsOperationUI {
private final Collection<IPath> paths;
private final IShellProvider shellProvider;
/**
* Create the operation with the resources to delete.
*
* @param paths
* to delete
* @param shellProvider
*/
public DeletePathsOperationUI(final Collection<IPath> paths,
final IShellProvider shellProvider) {
this.paths = paths;
this.shellProvider = shellProvider;
}
/**
* Run the operation.
*/
public void run() {
List<IResource> resources = getSelectedResourcesIfAllExist();
if (resources != null)
runNormalAction(resources);
else
runNonWorkspaceAction();
}
private void runNormalAction(List<IResource> resources) {
DeleteResourceAction action = new DeleteResourceAction(shellProvider);
IStructuredSelection selection = new StructuredSelection(resources);
action.selectionChanged(selection);
action.run();
}
private void runNonWorkspaceAction() {
boolean performAction = MessageDialog.openConfirm(
shellProvider.getShell(),
UIText.DeleteResourcesOperationUI_confirmActionTitle,
UIText.DeleteResourcesOperationUI_confirmActionMessage);
if (!performAction)
return;
DeletePathsOperation operation = new DeletePathsOperation(paths);
try {
operation.execute(null);
} catch (CoreException e) {
Activator.handleError(UIText.DeleteResourcesOperationUI_deleteFailed, e, true);
}
}
private List<IResource> getSelectedResourcesIfAllExist() {
List<IResource> resources = new ArrayList<IResource>();
for (IPath path : paths) {
IResource resource = ResourceUtil.getResourceForLocation(path);
if (resource != null)
resources.add(resource);
else
return null;
}
return resources;
}
}