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/*******************************************************************************
* Copyright (c) 2004, 2011 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.context;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.mylyn.commons.workbench.WorkbenchUtil;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.internal.tasks.ui.actions.TaskSelectionDialog;
import org.eclipse.mylyn.internal.tasks.ui.commands.AbstractTaskHandler;
import org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.ui.TasksUi;
import org.eclipse.ui.PlatformUI;
/**
* @author Steffen Pingel
*/
public class CopyContextHandler extends AbstractTaskHandler {
private static final String TITLE_DIALOG = Messages.CopyContextHandler_Copy_Context;
@Override
protected void execute(ExecutionEvent event, ITask sourceTask) throws ExecutionException {
run(sourceTask);
}
public static void run(ITask sourceTask) {
if (sourceTask == null) {
MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
TITLE_DIALOG, Messages.CopyContextHandler_No_source_task_selected);
return;
}
TaskSelectionDialog dialog = new TaskSelectionDialog(WorkbenchUtil.getShell());
dialog.setNeedsCreateTask(false);
dialog.setTitle(Messages.CopyContextHandler_Select_Target_Task);
dialog.setMessage(Messages.CopyContextHandler_Select_the_target_task__);
if (dialog.open() != Window.OK) {
return;
}
Object result = dialog.getFirstResult();
if (result instanceof ITask) {
ITask targetTask = (ITask) result;
TasksUi.getTaskActivityManager().deactivateActiveTask();
if (targetTask.equals(sourceTask)) {
MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
TITLE_DIALOG, Messages.CopyContextHandler_TARGET_TASK_CON_NOT_BE_THE_SAME_AS_SOURCE_TASK);
} else {
final int REPLACE = 0;
final int MERGE = 1;
final int CANCEL = 2;
int action = REPLACE;
if (TasksUiPlugin.getContextStore().hasContext(targetTask)) {
MessageDialog dialog2 = new MessageDialog(PlatformUI.getWorkbench()
.getActiveWorkbenchWindow()
.getShell(), TITLE_DIALOG, null,
Messages.CopyContextHandler_SELECTED_TASK_ALREADY_HAS_CONTEXT, MessageDialog.QUESTION,
new String[] { Messages.CopyContextHandler_Replace, Messages.CopyContextHandler_Merge,
IDialogConstants.CANCEL_LABEL }, 1);
action = dialog2.open();
}
switch (action) {
case REPLACE:
IAdaptable context = TasksUiPlugin.getContextStore().copyContext(sourceTask, targetTask);
if (context == null) {
MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
TITLE_DIALOG, Messages.CopyContextHandler_SOURCE_TASK_DOES_HAVE_A_CONTEXT);
return;
}
break;
case MERGE:
TasksUiPlugin.getContextStore().mergeContext(sourceTask, targetTask);
break;
case CANCEL:
return;
}
TasksUiInternal.activateTaskThroughCommand(targetTask);
}
} else {
MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
TITLE_DIALOG, Messages.CopyContextHandler_No_target_task_selected);
}
}
}
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