| /******************************************************************************* |
| * Copyright (c) 2013, 2019 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.handlers; |
| |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.expressions.EvaluationResult; |
| import org.eclipse.core.expressions.IEvaluationContext; |
| import org.eclipse.e4.ui.model.application.ui.basic.MPart; |
| import org.eclipse.e4.ui.workbench.modeling.EPartService; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.ISaveablePart; |
| import org.eclipse.ui.ISaveablesSource; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| import org.eclipse.ui.internal.InternalHandlerUtil; |
| import org.eclipse.ui.internal.SaveableHelper; |
| import org.eclipse.ui.internal.WorkbenchPage; |
| import org.eclipse.ui.internal.WorkbenchWindow; |
| |
| /** |
| * <p> |
| * Replacement for SaveAction |
| * </p> |
| * |
| * @since 3.7 |
| * |
| */ |
| public class SaveHandler extends AbstractSaveHandler { |
| |
| public SaveHandler() { |
| registerEnablement(); |
| } |
| |
| @Override |
| public Object execute(ExecutionEvent event) { |
| |
| ISaveablePart saveablePart = getSaveablePart(event); |
| |
| MPart activeMPart = null; |
| EPartService partService = null; |
| try { |
| IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event); |
| partService = ((WorkbenchWindow) window).getModel().getContext().get(EPartService.class); |
| activeMPart = getActivePart(window); |
| } catch (Exception e1) { |
| // do nothing |
| } |
| |
| // no saveable |
| if (saveablePart == null) { |
| if (activeMPart != null && activeMPart.isDirty() && partService != null) { |
| partService.savePart(activeMPart, false); |
| } |
| return null; |
| } |
| |
| IWorkbenchPart activePart = HandlerUtil.getActivePart(event); |
| ISaveablePart part = SaveableHelper.getSaveable(activePart); |
| if (part == null && activeMPart != null && activeMPart.isDirty() && partService != null) { |
| partService.savePart(activeMPart, false); |
| return null; |
| } |
| |
| // if editor |
| if (saveablePart instanceof IEditorPart) { |
| IEditorPart editorPart = (IEditorPart) saveablePart; |
| IWorkbenchPage page = editorPart.getSite().getPage(); |
| page.saveEditor(editorPart, false); |
| return null; |
| } |
| |
| // if view |
| WorkbenchPage page = (WorkbenchPage) activePart.getSite().getPage(); |
| page.saveSaveable(saveablePart, activePart, false, false); |
| |
| return null; |
| |
| } |
| |
| @Override |
| protected EvaluationResult evaluate(IEvaluationContext context) { |
| |
| IWorkbenchWindow window = InternalHandlerUtil.getActiveWorkbenchWindow(context); |
| // no window? not active |
| if (window == null) |
| return EvaluationResult.FALSE; |
| |
| boolean enabled = evaluateEnabled(context, window); |
| if (window != null) { |
| Shell shell = window.getShell(); |
| if (shell != null && !shell.isDisposed()) { |
| shell.setModified(enabled); |
| } |
| } |
| |
| return enabled ? EvaluationResult.TRUE : EvaluationResult.FALSE; |
| } |
| |
| /** |
| * @param context |
| * @param window |
| * @param page |
| * @return |
| */ |
| private boolean evaluateEnabled(IEvaluationContext context, IWorkbenchWindow window) { |
| |
| WorkbenchPage page = (WorkbenchPage) window.getActivePage(); |
| |
| // no page? not active |
| if (page == null) |
| return false; |
| |
| MPart activeMPart = getActivePart(window); |
| |
| IWorkbenchPart activePart = InternalHandlerUtil.getActivePart(context); |
| ISaveablePart part = SaveableHelper.getSaveable(activePart); |
| if (part == null && activeMPart != null && activeMPart.isDirty()) { |
| return true; |
| } |
| |
| // get saveable part |
| ISaveablePart saveablePart = getSaveablePart(context); |
| if (saveablePart == null && activeMPart == null) |
| return false; |
| |
| if (saveablePart instanceof ISaveablesSource) { |
| ISaveablesSource modelSource = (ISaveablesSource) saveablePart; |
| if (SaveableHelper.needsSave(modelSource)) |
| return true; |
| if (activeMPart == null) |
| return false; |
| } |
| |
| if (saveablePart != null && saveablePart.isDirty()) |
| return true; |
| |
| if (activeMPart != null && activeMPart.isDirty()) { |
| return true; |
| } |
| |
| return false; |
| } |
| } |