| /******************************************************************************* |
| * Copyright (c) 2000, 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 v2.0 |
| * 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.wst.jsdt.ui.actions; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.MultiStatus; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| import org.eclipse.jface.viewers.ArrayContentProvider; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.IWorkingSet; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.actions.OpenResourceAction; |
| import org.eclipse.ui.dialogs.ListSelectionDialog; |
| import org.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin; |
| import org.eclipse.wst.jsdt.internal.ui.actions.ActionMessages; |
| import org.eclipse.wst.jsdt.internal.ui.actions.WorkbenchRunnableAdapter; |
| import org.eclipse.wst.jsdt.internal.ui.util.ExceptionHandler; |
| import org.eclipse.wst.jsdt.ui.JavaScriptElementLabelProvider; |
| |
| /** |
| * Action to open a closed project. Action either opens the closed projects |
| * provided by the structured selection or presents a dialog from which the |
| * user can select the projects to be opened. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * |
| * Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| */ |
| public class OpenProjectAction extends SelectionDispatchAction implements IResourceChangeListener { |
| |
| private int CLOSED_PROJECTS_SELECTED= 1; |
| private int OTHER_ELEMENTS_SELECTED= 2; |
| |
| private OpenResourceAction fWorkbenchAction; |
| |
| /** |
| * Creates a new <code>OpenProjectAction</code>. The action requires |
| * that the selection provided by the site's selection provider is of type <code> |
| * org.eclipse.jface.viewers.IStructuredSelection</code>. |
| * |
| * @param site the site providing context information for this action |
| */ |
| public OpenProjectAction(IWorkbenchSite site) { |
| super(site); |
| fWorkbenchAction= new OpenResourceAction(site.getShell()); |
| setText(fWorkbenchAction.getText()); |
| setToolTipText(fWorkbenchAction.getToolTipText()); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.OPEN_PROJECT_ACTION); |
| setEnabled(hasClosedProjectsInWorkspace()); |
| } |
| |
| /* |
| * @see IResourceChangeListener#resourceChanged(IResourceChangeEvent) |
| */ |
| public void resourceChanged(IResourceChangeEvent event) { |
| IResourceDelta delta = event.getDelta(); |
| if (delta != null) { |
| IResourceDelta[] projDeltas = delta.getAffectedChildren(IResourceDelta.CHANGED); |
| for (int i = 0; i < projDeltas.length; ++i) { |
| IResourceDelta projDelta = projDeltas[i]; |
| if ((projDelta.getFlags() & IResourceDelta.OPEN) != 0) { |
| setEnabled(hasClosedProjectsInWorkspace()); |
| return; |
| } |
| } |
| } |
| } |
| |
| //---- normal selection ------------------------------------- |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.ui.actions.SelectionDispatchAction#selectionChanged(org.eclipse.jface.viewers.ISelection) |
| */ |
| public void selectionChanged(ISelection selection) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.ui.actions.SelectionDispatchAction#run(org.eclipse.jface.viewers.ISelection) |
| */ |
| public void run(ISelection selection) { |
| internalRun(null); |
| } |
| |
| private int evaluateSelection(IStructuredSelection selection, List allClosedProjects) { |
| Object[] array= selection.toArray(); |
| int selectionStatus = 0; |
| for (int i= 0; i < array.length; i++) { |
| Object curr= array[i]; |
| if (isClosedProject(curr)) { |
| if (allClosedProjects != null) |
| allClosedProjects.add(curr); |
| selectionStatus |= CLOSED_PROJECTS_SELECTED; |
| } else { |
| if (curr instanceof IWorkingSet) { |
| IAdaptable[] elements= ((IWorkingSet) curr).getElements(); |
| for (int k= 0; k < elements.length; k++) { |
| Object elem= elements[k]; |
| if (isClosedProject(elem)) { |
| if (allClosedProjects != null) |
| allClosedProjects.add(elem); |
| selectionStatus |= CLOSED_PROJECTS_SELECTED; |
| } |
| } |
| } |
| selectionStatus |= OTHER_ELEMENTS_SELECTED; |
| } |
| |
| } |
| return selectionStatus; |
| } |
| |
| private static boolean isClosedProject(Object element) { |
| // assume all closed project are rendered as IProject |
| return element instanceof IProject && !((IProject) element).isOpen(); |
| } |
| |
| |
| //---- structured selection --------------------------------------- |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.ui.actions.SelectionDispatchAction#run(org.eclipse.jface.viewers.IStructuredSelection) |
| */ |
| public void run(IStructuredSelection selection) { |
| ArrayList allClosedProjects= new ArrayList(); |
| int selectionStatus= evaluateSelection(selection, allClosedProjects); |
| if (selectionStatus == CLOSED_PROJECTS_SELECTED) { // only closed projects selected |
| fWorkbenchAction.selectionChanged(new StructuredSelection(allClosedProjects)); |
| fWorkbenchAction.run(); |
| } else { |
| internalRun(allClosedProjects); |
| } |
| } |
| |
| private void internalRun(List initialSelection) { |
| ListSelectionDialog dialog= new ListSelectionDialog(getShell(), getClosedProjectsInWorkspace(), new ArrayContentProvider(), new JavaScriptElementLabelProvider(), ActionMessages.OpenProjectAction_dialog_message); |
| dialog.setTitle(ActionMessages.OpenProjectAction_dialog_title); |
| if (initialSelection != null && !initialSelection.isEmpty()) { |
| dialog.setInitialElementSelections(initialSelection); |
| } |
| int result= dialog.open(); |
| if (result != Window.OK) |
| return; |
| final Object[] projects= dialog.getResult(); |
| IWorkspaceRunnable runnable= createRunnable(projects); |
| try { |
| PlatformUI.getWorkbench().getProgressService().run(true, true, new WorkbenchRunnableAdapter(runnable)); |
| } catch (InvocationTargetException e) { |
| ExceptionHandler.handle(e, getShell(), ActionMessages.OpenProjectAction_dialog_title, ActionMessages.OpenProjectAction_error_message); |
| } catch (InterruptedException e) { |
| // user cancelled |
| } |
| } |
| |
| private IWorkspaceRunnable createRunnable(final Object[] projects) { |
| return new IWorkspaceRunnable() { |
| public void run(IProgressMonitor monitor) throws CoreException { |
| monitor.beginTask("", projects.length); //$NON-NLS-1$ |
| MultiStatus errorStatus= null; |
| for (int i = 0; i < projects.length; i++) { |
| IProject project= (IProject)projects[i]; |
| try { |
| project.open(new SubProgressMonitor(monitor, 1)); |
| } catch (CoreException e) { |
| if (errorStatus == null) |
| errorStatus = new MultiStatus(JavaScriptPlugin.getPluginId(), IStatus.ERROR, ActionMessages.OpenProjectAction_error_message, null); |
| errorStatus.add(e.getStatus()); |
| } |
| } |
| monitor.done(); |
| if (errorStatus != null) |
| throw new CoreException(errorStatus); |
| } |
| }; |
| } |
| |
| private Object[] getClosedProjectsInWorkspace() { |
| IProject[] projects= ResourcesPlugin.getWorkspace().getRoot().getProjects(); |
| List result= new ArrayList(5); |
| for (int i = 0; i < projects.length; i++) { |
| IProject project= projects[i]; |
| if (!project.isOpen()) |
| result.add(project); |
| } |
| return result.toArray(); |
| } |
| |
| private boolean hasClosedProjectsInWorkspace() { |
| IProject[] projects= ResourcesPlugin.getWorkspace().getRoot().getProjects(); |
| for (int i = 0; i < projects.length; i++) { |
| if (!projects[i].isOpen()) |
| return true; |
| } |
| return false; |
| } |
| } |