| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| 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.ui.IActionBars; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchCommandConstants; |
| 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.jdt.core.IJavaProject; |
| |
| import org.eclipse.jdt.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> |
| * |
| * @since 2.0 |
| * |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class ProjectActionGroup extends ActionGroup { |
| |
| private ISelectionProvider fSelectionProvider; |
| |
| private OpenProjectAction fOpenAction; |
| private boolean fEnableOpenInContextMenu= true; |
| 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) { |
| this(part.getSite(), part.getSite().getSelectionProvider()); |
| } |
| |
| /** |
| * Creates a new <code>ProjectActionGroup</code>. The group requires |
| * that the selection provided by the given selection provider is of type |
| * {@link IStructuredSelection}. |
| * |
| * @param site the site that will own the action group. |
| * @param selectionProvider the selection provider used instead of the |
| * page selection provider. |
| * |
| * @since 3.4 |
| */ |
| public ProjectActionGroup(IWorkbenchSite site, ISelectionProvider selectionProvider) { |
| fSelectionProvider= selectionProvider; |
| ISelection selection= selectionProvider.getSelection(); |
| |
| fCloseAction= new CloseResourceAction(site); |
| fCloseAction.setActionDefinitionId(IWorkbenchCommandConstants.PROJECT_CLOSE_PROJECT); |
| |
| fCloseUnrelatedAction= new CloseUnrelatedProjectsAction(site); |
| fCloseUnrelatedAction.setActionDefinitionId(IWorkbenchCommandConstants.PROJECT_CLOSE_UNRELATED_PROJECTS); |
| |
| fOpenAction= new OpenProjectAction(site); |
| fOpenAction.setActionDefinitionId(IWorkbenchCommandConstants.PROJECT_OPEN_PROJECT); |
| 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); |
| } |
| } |
| }; |
| selectionProvider.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(hasClosedProjectsInWorkspace()); |
| fEnableOpenInContextMenu= (selectionStatus & CLOSED_PROJECTS_SELECTED) != 0 |
| || (selectionStatus == 0 && array.length == 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 IJavaProject) { |
| curr= ((IJavaProject) 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() && fEnableOpenInContextMenu) |
| 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 |
| * |
| * @since 3.3 |
| */ |
| 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() { |
| fSelectionProvider.removeSelectionChangedListener(fSelectionChangedListener); |
| fSelectionProvider= null; |
| |
| IWorkspace workspace = ResourcesPlugin.getWorkspace(); |
| workspace.removeResourceChangeListener(fOpenAction); |
| workspace.removeResourceChangeListener(fCloseAction); |
| workspace.removeResourceChangeListener(fCloseUnrelatedAction); |
| super.dispose(); |
| } |
| } |