| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.tasks.ui.actions; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.mylyn.internal.provisional.commons.ui.CommonImages; |
| import org.eclipse.mylyn.internal.tasks.core.AbstractTask; |
| import org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal; |
| import org.eclipse.mylyn.tasks.core.IRepositoryElement; |
| import org.eclipse.mylyn.tasks.core.ITask; |
| import org.eclipse.mylyn.tasks.core.ITask.SynchronizationState; |
| import org.eclipse.mylyn.tasks.ui.TasksUi; |
| import org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPage; |
| |
| /** |
| * Discard outgoing changes on selected task TODO: Enable multi task discard? |
| * |
| * @author Rob Elves |
| */ |
| public class ClearOutgoingAction extends Action { |
| |
| public static final String ID = "org.eclipse.mylyn.tasklist.actions.mark.discard"; //$NON-NLS-1$ |
| |
| private final List<IRepositoryElement> selectedElements; |
| |
| private AbstractTaskEditorPage taskEditorPage; |
| |
| public ClearOutgoingAction(List<IRepositoryElement> selectedElements) { |
| this.selectedElements = selectedElements; |
| setText(Messages.ClearOutgoingAction_Clear_outgoing); |
| setToolTipText(Messages.ClearOutgoingAction_Clear_outgoing); |
| setImageDescriptor(CommonImages.CLEAR); |
| setId(ID); |
| if (selectedElements.size() == 1 && (selectedElements.get(0) instanceof ITask)) { |
| ITask task = (ITask) selectedElements.get(0); |
| setEnabled(hasOutgoingChanges(task)); |
| } else { |
| setEnabled(false); |
| } |
| } |
| |
| public AbstractTaskEditorPage getTaskEditorPage() { |
| return taskEditorPage; |
| } |
| |
| public void setTaskEditorPage(AbstractTaskEditorPage taskEditorPage) { |
| this.taskEditorPage = taskEditorPage; |
| } |
| |
| public static boolean hasOutgoingChanges(ITask task) { |
| return task.getSynchronizationState().equals(SynchronizationState.OUTGOING) |
| || task.getSynchronizationState().equals(SynchronizationState.CONFLICT); |
| } |
| |
| @Override |
| public void run() { |
| ArrayList<AbstractTask> toClear = new ArrayList<AbstractTask>(); |
| for (Object selectedObject : selectedElements) { |
| if (selectedObject instanceof ITask && hasOutgoingChanges((ITask) selectedObject)) { |
| toClear.add(((AbstractTask) selectedObject)); |
| } |
| } |
| if (toClear.size() > 0) { |
| AbstractTask task = toClear.get(0); |
| boolean confirm = MessageDialog.openConfirm( |
| null, |
| Messages.ClearOutgoingAction_Confirm_discard, Messages.ClearOutgoingAction_Discard_all_outgoing_changes_ + "\n\n" //$NON-NLS-1$ |
| + task.getSummary()); |
| if (confirm) { |
| if (taskEditorPage != null) { |
| taskEditorPage.doSave(null); |
| } |
| try { |
| TasksUi.getTaskDataManager().discardEdits(task); |
| } catch (CoreException e) { |
| TasksUiInternal.displayStatus( |
| Messages.ClearOutgoingAction_Clear_outgoing_failed, e.getStatus()); |
| } |
| } |
| } |
| } |
| } |