| /******************************************************************************* |
| * Copyright (c) 2006, 2017 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.team.internal.ui.mapping; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.mapping.ResourceMapping; |
| import org.eclipse.core.resources.mapping.ResourceMappingContext; |
| import org.eclipse.core.resources.mapping.ResourceTraversal; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.team.core.diff.IDiffChangeEvent; |
| import org.eclipse.team.core.diff.IDiffChangeListener; |
| import org.eclipse.team.core.diff.IDiffTree; |
| import org.eclipse.team.core.mapping.ISynchronizationContext; |
| import org.eclipse.team.internal.ui.TeamUIPlugin; |
| import org.eclipse.team.internal.ui.Utils; |
| import org.eclipse.team.ui.mapping.ITeamContentProviderManager; |
| import org.eclipse.team.ui.mapping.MergeActionHandler; |
| import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration; |
| import org.eclipse.ui.ide.IDE; |
| |
| public abstract class ResourceMergeActionHandler extends MergeActionHandler implements IDiffChangeListener, IPropertyChangeListener { |
| |
| public ResourceMergeActionHandler(ISynchronizePageConfiguration configuration) { |
| super(configuration); |
| getSynchronizationContext().getDiffTree().addDiffChangeListener(this); |
| configuration.addPropertyChangeListener(this); |
| } |
| |
| /** |
| * Prompt to save all dirty editors and return whether to proceed |
| * or not. |
| * @return whether to proceed |
| * or not |
| */ |
| public final boolean saveDirtyEditors() { |
| if(needsToSaveDirtyEditors()) { |
| if(!saveAllEditors(getTargetResources(), confirmSaveOfDirtyEditor())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private IResource[] getTargetResources() { |
| IStructuredSelection selection = getStructuredSelection(); |
| Object[] objects = selection.toArray(); |
| Set<IResource> roots = new HashSet<>(); |
| for (int i = 0; i < objects.length; i++) { |
| Object object = objects[i]; |
| ResourceMapping mapping = Utils.getResourceMapping(object); |
| if (mapping != null) { |
| try { |
| ResourceTraversal[] traversals = mapping.getTraversals(ResourceMappingContext.LOCAL_CONTEXT, null); |
| for (int j = 0; j < traversals.length; j++) { |
| ResourceTraversal traversal = traversals[j]; |
| IResource[] resources = traversal.getResources(); |
| for (int k = 0; k < resources.length; k++) { |
| IResource resource = resources[k]; |
| roots.add(resource); |
| } |
| } |
| } catch (CoreException e) { |
| TeamUIPlugin.log(e); |
| } |
| } |
| } |
| return roots.toArray(new IResource[roots.size()]); |
| } |
| |
| /** |
| * Save all dirty editors in the workbench that are open on files that may |
| * be affected by this operation. Opens a dialog to prompt the user if |
| * <code>confirm</code> is true. Return true if successful. Return false |
| * if the user has canceled the command. Must be called from the UI thread. |
| * @param resources the root resources being operated on |
| * @param confirm prompt the user if true |
| * @return boolean false if the operation was canceled. |
| */ |
| public final boolean saveAllEditors(IResource[] resources, boolean confirm) { |
| return IDE.saveAllEditors(resources, confirm); |
| } |
| |
| /** |
| * Return whether dirty editor should be saved before this action is run. |
| * Default is <code>true</code>. |
| * |
| * @return whether dirty editor should be saved before this action is run |
| */ |
| protected boolean needsToSaveDirtyEditors() { |
| return true; |
| } |
| |
| /** |
| * Returns whether the user should be prompted to save dirty editors. The |
| * default is <code>true</code>. |
| * |
| * @return whether the user should be prompted to save dirty editors |
| */ |
| protected boolean confirmSaveOfDirtyEditor() { |
| return true; |
| } |
| |
| protected ISynchronizationContext getSynchronizationContext() { |
| return (ISynchronizationContext)getConfiguration().getProperty(ITeamContentProviderManager.P_SYNCHRONIZATION_CONTEXT); |
| } |
| |
| @Override |
| public void propertyChanged(IDiffTree tree, int property, IPath[] paths) { |
| // Nothing to do |
| } |
| |
| @Override |
| public void diffsChanged(IDiffChangeEvent event, IProgressMonitor monitor) { |
| Utils.syncExec((Runnable) () -> updateEnablement(getStructuredSelection()), (StructuredViewer)getConfiguration().getPage().getViewer()); |
| |
| } |
| |
| @Override |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event.getProperty() == ISynchronizePageConfiguration.P_MODE) { |
| Utils.syncExec((Runnable) () -> updateEnablement(getStructuredSelection()), (StructuredViewer)getConfiguration().getPage().getViewer()); |
| } |
| } |
| |
| } |