/*
* 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.net.URL;
import java.text.MessageFormat;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IStatus;
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.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.webdav.IResponse;
import org.guvnor.tools.Activator;
import org.guvnor.tools.Messages;
import org.guvnor.tools.utils.ActionUtils;
import org.guvnor.tools.utils.GuvnorMetadataProps;
import org.guvnor.tools.utils.GuvnorMetadataUtils;
import org.guvnor.tools.utils.PlatformUtils;
import org.guvnor.tools.utils.webdav.IWebDavClient;
import org.guvnor.tools.utils.webdav.WebDavClientFactory;
import org.guvnor.tools.utils.webdav.WebDavException;
import org.guvnor.tools.utils.webdav.WebDavServerCache;
/**
* Deletes a resource in Guvnor.
*/
public class DeleteAction implements IObjectActionDelegate {
private IStructuredSelection selectedItems;
private IWorkbenchPart targetPart;
public DeleteAction() {
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) {
this.targetPart = targetPart;
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
@SuppressWarnings("unchecked")
public void run(IAction action) {
if (selectedItems == null) {
return;
}
String msg = null;
if (selectedItems.size() == 1) {
msg = MessageFormat.format(Messages.getString("delete.singlefile.confirmation"), //$NON-NLS-1$
new Object[] { ((IFile)selectedItems.getFirstElement()).getName() });
} else {
msg = MessageFormat.format(Messages.getString("delete.multifile.confirmation"), //$NON-NLS-1$
new Object[] { String.valueOf(selectedItems.size()) });
}
if (!MessageDialog.openConfirm(targetPart.getSite().getShell(),
Messages.getString("delete.confirmation.dialog.caption"), msg)) { //$NON-NLS-1$
return;
}
for (Iterator it = selectedItems.iterator(); it.hasNext();) {
Object oneItem = it.next();
if (oneItem instanceof IFile) {
processDelete((IFile)oneItem);
}
}
DisconnectAction dsAction = new DisconnectAction();
dsAction.disconnect(selectedItems);
PlatformUtils.updateDecoration();
PlatformUtils.refreshRepositoryView();
}
private void processDelete(IFile selectedFile) {
try {
GuvnorMetadataProps props = GuvnorMetadataUtils.getGuvnorMetadata(selectedFile);
assert(props != null);
IWebDavClient client = WebDavServerCache.getWebDavClient(props.getRepository());
if (client == null) {
client = WebDavClientFactory.createClient(new URL(props.getRepository()));
WebDavServerCache.cacheWebDavClient(props.getRepository(), client);
}
try {
client.deleteResource(props.getFullpath());
} catch (WebDavException wde) {
if (wde.getErrorCode() != IResponse.SC_UNAUTHORIZED) {
// If not an authentication failure, we don't know what to do with it
throw wde;
}
boolean retry = PlatformUtils.getInstance().
authenticateForServer(props.getRepository(), client);
if (retry) {
client.deleteResource(props.getFullpath());
}
}
} catch (Exception 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;
}
}
}