| /******************************************************************************* |
| * 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.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IActionBars; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.IWorkingSet; |
| import org.eclipse.ui.actions.ActionGroup; |
| import org.eclipse.ui.actions.CloseResourceAction; |
| import org.eclipse.ui.actions.CloseUnrelatedProjectsAction; |
| import org.eclipse.ui.ide.IDEActionFactory; |
| import org.eclipse.wst.jsdt.core.IJavaScriptProject; |
| import org.eclipse.wst.jsdt.ui.IContextMenuConstants; |
| |
| /** |
| * Adds actions to open and close a project to the global menu bar. |
| * |
| * <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 ProjectActionGroup extends ActionGroup { |
| |
| private IWorkbenchSite fSite; |
| |
| private OpenProjectAction fOpenAction; |
| private CloseResourceAction fCloseAction; |
| private CloseResourceAction fCloseUnrelatedAction; |
| |
| private ISelectionChangedListener fSelectionChangedListener; |
| |
| /** |
| * Creates a new <code>ProjectActionGroup</code>. The group requires |
| * that the selection provided by the site's selection provider is of type <code> |
| * org.eclipse.jface.viewers.IStructuredSelection</code>. |
| * |
| * @param part the view part that owns this action group |
| */ |
| public ProjectActionGroup(IViewPart part) { |
| fSite = part.getSite(); |
| Shell shell= fSite.getShell(); |
| ISelectionProvider provider= fSite.getSelectionProvider(); |
| ISelection selection= provider.getSelection(); |
| |
| fCloseAction= new CloseResourceAction(shell); |
| fCloseAction.setActionDefinitionId("org.eclipse.ui.project.closeProject"); //$NON-NLS-1$ |
| |
| fCloseUnrelatedAction= new CloseUnrelatedProjectsAction(shell); |
| fCloseUnrelatedAction.setActionDefinitionId("org.eclipse.ui.project.closeUnrelatedProjects"); //$NON-NLS-1$ |
| |
| fOpenAction= new OpenProjectAction(fSite); |
| fOpenAction.setActionDefinitionId("org.eclipse.ui.project.openProject"); //$NON-NLS-1$ |
| if (selection instanceof IStructuredSelection) { |
| IStructuredSelection s= (IStructuredSelection)selection; |
| fOpenAction.selectionChanged(s); |
| fCloseAction.selectionChanged(s); |
| fCloseUnrelatedAction.selectionChanged(s); |
| } |
| |
| fSelectionChangedListener= new ISelectionChangedListener() { |
| public void selectionChanged(SelectionChangedEvent event) { |
| ISelection s= event.getSelection(); |
| if (s instanceof IStructuredSelection) { |
| performSelectionChanged((IStructuredSelection) s); |
| } |
| } |
| }; |
| provider.addSelectionChangedListener(fSelectionChangedListener); |
| |
| IWorkspace workspace= ResourcesPlugin.getWorkspace(); |
| workspace.addResourceChangeListener(fOpenAction); |
| workspace.addResourceChangeListener(fCloseAction); |
| workspace.addResourceChangeListener(fCloseUnrelatedAction); |
| } |
| |
| protected void performSelectionChanged(IStructuredSelection structuredSelection) { |
| Object[] array= structuredSelection.toArray(); |
| ArrayList openProjects= new ArrayList(); |
| int selectionStatus= evaluateSelection(array, openProjects); |
| StructuredSelection sel= new StructuredSelection(openProjects); |
| |
| fOpenAction.setEnabled(selectionStatus == CLOSED_PROJECTS_SELECTED || (selectionStatus == 0 && hasClosedProjectsInWorkspace())); |
| fCloseAction.selectionChanged(sel); |
| fCloseUnrelatedAction.selectionChanged(sel); |
| } |
| |
| private int CLOSED_PROJECTS_SELECTED= 1; |
| private int NON_PROJECT_SELECTED= 2; |
| |
| private int evaluateSelection(Object[] array, List allOpenProjects) { |
| int status= 0; |
| for (int i= 0; i < array.length; i++) { |
| Object curr= array[i]; |
| if (curr instanceof IJavaScriptProject) { |
| curr= ((IJavaScriptProject) curr).getProject(); |
| } |
| if (curr instanceof IProject) { |
| IProject project= (IProject) curr; |
| if (project.isOpen()) { |
| allOpenProjects.add(project); |
| } else { |
| status |= CLOSED_PROJECTS_SELECTED; |
| } |
| } else { |
| if (curr instanceof IWorkingSet) { |
| int res= evaluateSelection(((IWorkingSet) curr).getElements(), allOpenProjects); |
| status |= res; |
| } else { |
| status |= NON_PROJECT_SELECTED; |
| } |
| } |
| } |
| return status; |
| } |
| |
| 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; |
| } |
| |
| /* (non-Javadoc) |
| * Method declared in ActionGroup |
| */ |
| public void fillActionBars(IActionBars actionBars) { |
| super.fillActionBars(actionBars); |
| actionBars.setGlobalActionHandler(IDEActionFactory.CLOSE_PROJECT.getId(), fCloseAction); |
| actionBars.setGlobalActionHandler(IDEActionFactory.CLOSE_UNRELATED_PROJECTS.getId(), fCloseUnrelatedAction); |
| actionBars.setGlobalActionHandler(IDEActionFactory.OPEN_PROJECT.getId(), fOpenAction); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared in ActionGroup |
| */ |
| public void fillContextMenu(IMenuManager menu) { |
| super.fillContextMenu(menu); |
| if (fOpenAction.isEnabled()) |
| menu.appendToGroup(IContextMenuConstants.GROUP_BUILD, fOpenAction); |
| if (fCloseAction.isEnabled()) |
| menu.appendToGroup(IContextMenuConstants.GROUP_BUILD, fCloseAction); |
| if (fCloseUnrelatedAction.isEnabled() && areOnlyProjectsSelected(fCloseUnrelatedAction.getStructuredSelection())) |
| menu.appendToGroup(IContextMenuConstants.GROUP_BUILD, fCloseUnrelatedAction); |
| } |
| |
| /** |
| * Returns the open project action contained in this project action group. |
| * |
| * @return returns the open project action |
| * |
| * |
| */ |
| public OpenProjectAction getOpenProjectAction() { |
| return fOpenAction; |
| } |
| |
| private boolean areOnlyProjectsSelected(IStructuredSelection selection) { |
| if (selection.isEmpty()) |
| return false; |
| |
| Iterator iter= selection.iterator(); |
| while (iter.hasNext()) { |
| Object obj= iter.next(); |
| if (obj instanceof IAdaptable) { |
| if (((IAdaptable)obj).getAdapter(IProject.class) == null) |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /* |
| * @see ActionGroup#dispose() |
| */ |
| public void dispose() { |
| ISelectionProvider provider= fSite.getSelectionProvider(); |
| provider.removeSelectionChangedListener(fSelectionChangedListener); |
| |
| IWorkspace workspace = ResourcesPlugin.getWorkspace(); |
| workspace.removeResourceChangeListener(fOpenAction); |
| workspace.removeResourceChangeListener(fCloseAction); |
| workspace.removeResourceChangeListener(fCloseUnrelatedAction); |
| super.dispose(); |
| } |
| } |