| /******************************************************************************* |
| * Copyright (c) 2007, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal; |
| |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.expressions.EvaluationResult; |
| import org.eclipse.core.expressions.Expression; |
| import org.eclipse.core.expressions.ExpressionInfo; |
| import org.eclipse.core.expressions.IEvaluationContext; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.ui.IEditorReference; |
| import org.eclipse.ui.ISources; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| |
| /** |
| * Closes all active editors |
| * <p> |
| * Replacement for CloseAllAction |
| * </p> |
| * |
| * @since 3.3 |
| * |
| */ |
| public class CloseAllHandler extends AbstractEvaluationHandler { |
| private Expression enabledWhen; |
| |
| public CloseAllHandler() { |
| registerEnablement(); |
| } |
| |
| @Override |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event); |
| IWorkbenchPage page = window.getActivePage(); |
| if (page != null) { |
| page.closeAllEditors(true); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| protected Expression getEnabledWhenExpression() { |
| if (enabledWhen == null) { |
| enabledWhen = new Expression() { |
| @Override |
| public EvaluationResult evaluate(IEvaluationContext context) throws CoreException { |
| IWorkbenchPart part = InternalHandlerUtil.getActivePart(context); |
| Object perspective = InternalHandlerUtil.getVariable(context, |
| ISources.ACTIVE_WORKBENCH_WINDOW_ACTIVE_PERSPECTIVE_NAME); |
| if (part != null && perspective != null && part.getSite() != null) { |
| IWorkbenchPage page = part.getSite().getPage(); |
| if (page != null) { |
| IEditorReference[] refArray = page.getEditorReferences(); |
| if (refArray != null && refArray.length > 0) { |
| return EvaluationResult.TRUE; |
| } |
| } |
| } |
| return EvaluationResult.FALSE; |
| } |
| |
| @Override |
| public void collectExpressionInfo(ExpressionInfo info) { |
| info.addVariableNameAccess(ISources.ACTIVE_PART_NAME); |
| info.addVariableNameAccess(ISources.ACTIVE_WORKBENCH_WINDOW_ACTIVE_PERSPECTIVE_NAME); |
| } |
| }; |
| } |
| return enabledWhen; |
| } |
| } |