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/*******************************************************************************
* 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());
}
}
}
}
}
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