/******************************************************************************* * Copyright (c) 2000, 2011 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.jdt.ui.actions; import java.lang.reflect.InvocationTargetException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.SubProgressMonitor; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.IWorkspaceRunnable; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.ui.IWorkbenchSite; import org.eclipse.ui.PlatformUI; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IPackageFragmentRoot; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.internal.corext.util.JavaModelUtil; import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; import org.eclipse.jdt.internal.ui.JavaPlugin; import org.eclipse.jdt.internal.ui.actions.ActionMessages; import org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter; import org.eclipse.jdt.internal.ui.util.ExceptionHandler; /** * Action to remove package fragment roots from the classpath of its parent * project. Currently, the action is applicable to selections containing * non-external archives (JAR or zip). * *
* This class may be instantiated; it is not intended to be subclassed. *
* * @since 2.1 * * @noextend This class is not intended to be subclassed by clients. */ public class RemoveFromClasspathAction extends SelectionDispatchAction { /** * Creates a newRemoveFromClasspathAction
. The action requires
* that the selection provided by the site's selection provider is of type
* org.eclipse.jface.viewers.IStructuredSelection
.
*
* @param site the site providing context information for this action
*/
public RemoveFromClasspathAction(IWorkbenchSite site) {
super(site);
setText(ActionMessages.RemoveFromClasspathAction_Remove);
setToolTipText(ActionMessages.RemoveFromClasspathAction_tooltip);
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.REMOVE_FROM_CLASSPATH_ACTION);
}
/* (non-Javadoc)
* Method declared in SelectionDispatchAction
*/
@Override
public void selectionChanged(IStructuredSelection selection) {
setEnabled(checkEnabled(selection));
}
private static boolean checkEnabled(IStructuredSelection selection) {
if (selection.isEmpty())
return false;
for (Iterator> iter= selection.iterator(); iter.hasNext();) {
if (! canRemove(iter.next()))
return false;
}
return true;
}
/* (non-Javadoc)
* Method declared in SelectionDispatchAction
*/
@Override
public void run(final IStructuredSelection selection) {
try {
PlatformUI.getWorkbench().getActiveWorkbenchWindow().run(true, true, new WorkbenchRunnableAdapter(new IWorkspaceRunnable() {
public void run(IProgressMonitor pm) throws CoreException {
try{
IPackageFragmentRoot[] roots= getRootsToRemove(selection);
pm.beginTask(ActionMessages.RemoveFromClasspathAction_Removing, roots.length);
for (int i= 0; i < roots.length; i++) {
int jCoreFlags= IPackageFragmentRoot.NO_RESOURCE_MODIFICATION | IPackageFragmentRoot.ORIGINATING_PROJECT_CLASSPATH;
roots[i].delete(IResource.NONE, jCoreFlags, new SubProgressMonitor(pm, 1));
}
} finally {
pm.done();
}
}
}));
} catch (InvocationTargetException e) {
ExceptionHandler.handle(e, getShell(),
ActionMessages.RemoveFromClasspathAction_exception_dialog_title,
ActionMessages.RemoveFromClasspathAction_Problems_occurred);
} catch (InterruptedException e) {
// canceled
}
}
private static IPackageFragmentRoot[] getRootsToRemove(IStructuredSelection selection){
List