| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.ui.internal; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IEditorReference; |
| import org.eclipse.ui.IPropertyListener; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| /** |
| * Closes all editors except ones with unsaved changes. |
| */ |
| public class CloseAllSavedAction extends PageEventAction implements |
| IPropertyListener { |
| |
| /** |
| * List of parts (element type: <code>IWorkbenchPart</code>) |
| * against which this class has outstanding property listeners registered. |
| */ |
| private List partsWithListeners = new ArrayList(1); |
| |
| /** |
| * Create an instance of this class. |
| * @param window the window |
| */ |
| public CloseAllSavedAction(IWorkbenchWindow window) { |
| super(WorkbenchMessages.get().CloseAllSavedAction_text, window); |
| setToolTipText(WorkbenchMessages.get().CloseAllSavedAction_toolTip); |
| // @issue Should create a ID in IWorkbenchActionConstants when it becames API? |
| setId("closeAllSaved"); //$NON-NLS-1$ |
| updateState(); |
| window.getWorkbench().getHelpSystem().setHelp(this, |
| IWorkbenchHelpContextIds.CLOSE_ALL_SAVED_ACTION); |
| setActionDefinitionId("org.eclipse.ui.file.closeAllSaved"); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on PageEventAction. |
| */ |
| public void pageActivated(IWorkbenchPage page) { |
| super.pageActivated(page); |
| updateState(); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on PageEventAction. |
| */ |
| public void pageClosed(IWorkbenchPage page) { |
| super.pageClosed(page); |
| updateState(); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on PartEventAction. |
| */ |
| public void partClosed(IWorkbenchPart part) { |
| super.partClosed(part); |
| if (part instanceof IEditorPart) { |
| part.removePropertyListener(this); |
| partsWithListeners.remove(part); |
| updateState(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on PartEventAction. |
| */ |
| public void partOpened(IWorkbenchPart part) { |
| super.partOpened(part); |
| if (part instanceof IEditorPart) { |
| part.addPropertyListener(this); |
| partsWithListeners.add(part); |
| updateState(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on IPropertyListener. |
| */ |
| public void propertyChanged(Object source, int propID) { |
| if (source instanceof IEditorPart) { |
| if (propID == IEditorPart.PROP_DIRTY) { |
| updateState(); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on Action. |
| */ |
| public void run() { |
| if (getWorkbenchWindow() == null) { |
| // action has been dispose |
| return; |
| } |
| IWorkbenchPage page = getActivePage(); |
| if (page != null) { |
| ((WorkbenchPage) page).closeAllSavedEditors(); |
| } |
| } |
| |
| /** |
| * Enable the action if there at least one editor open. |
| */ |
| private void updateState() { |
| IWorkbenchPage page = getActivePage(); |
| if (page == null) { |
| setEnabled(false); |
| return; |
| } |
| IEditorReference editors[] = page.getEditorReferences(); |
| for (int i = 0; i < editors.length; i++) { |
| if (!editors[i].isDirty()) { |
| setEnabled(true); |
| return; |
| } |
| } |
| setEnabled(false); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on PageEventAction. |
| */ |
| public void dispose() { |
| super.dispose(); |
| for (Iterator it = partsWithListeners.iterator(); it.hasNext();) { |
| IWorkbenchPart part = (IWorkbenchPart) it.next(); |
| part.removePropertyListener(this); |
| } |
| partsWithListeners.clear(); |
| } |
| |
| } |