/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.guvnor.tools.actions;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.guvnor.tools.Activator;
import org.guvnor.tools.utils.ActionUtils;
import org.guvnor.tools.utils.GuvnorMetadataUtils;
import org.guvnor.tools.utils.PlatformUtils;
/**
* Disconnects a local resource from its association with Guvnor.
* @author jgraham
*/
public class DisconnectAction implements IObjectActionDelegate {
private IStructuredSelection selectedItems;
public DisconnectAction() {
super();
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart)
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
if (selectedItems == null) {
return;
}
disconnect(selectedItems);
PlatformUtils.updateDecoration();
}
@SuppressWarnings("unchecked")
public void disconnect(IStructuredSelection files) {
List<IFile> toDelete = new ArrayList<IFile>();
for (Iterator<Object> it = files.iterator(); it.hasNext();) {
Object oneSelection = it.next();
if (oneSelection instanceof IFile) {
IFile mdFile = GuvnorMetadataUtils.findGuvnorMetadata((IFile)oneSelection);
if (mdFile != null) {
toDelete.add(mdFile);
}
}
}
try {
IFile[] mdFiles = new IFile[toDelete.size()];
toDelete.toArray(mdFiles);
IWorkspace ws = Activator.getDefault().getWorkspace();
ws.delete(mdFiles, true, null);
} catch (CoreException e) {
Activator.getDefault().displayError(IStatus.ERROR, e.getMessage(), e, true);
}
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
boolean validResourceSet = ActionUtils.checkResourceSet(selection, true);
if (validResourceSet) {
action.setEnabled(true);
selectedItems = (IStructuredSelection)selection;
} else {
action.setEnabled(false);
selectedItems = null;
}
}
}