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/*******************************************************************************
* Copyright (c) 2004, 2007 Mylyn project committers 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
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.actions;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.internal.tasks.core.RepositoryQuery;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal;
import org.eclipse.mylyn.tasks.core.IRepositoryQuery;
import org.eclipse.mylyn.tasks.ui.AbstractRepositoryConnectorUi;
import org.eclipse.mylyn.tasks.ui.ITasksUiConstants;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.PlatformUI;
import org.w3c.dom.Document;
/**
* Allow to clone a selected query.
*
* @author Jevgeni Holodkov
*/
public class QueryCloneAction extends Action implements IViewActionDelegate {
protected ISelection selection;
public void init(IViewPart view) {
// ignore
}
public void run(IAction action) {
run(getSelectedQuery(selection));
}
public void selectionChanged(IAction action, ISelection selection) {
this.selection = selection;
IRepositoryQuery selectedQuery = getSelectedQuery(selection);
action.setEnabled(true);
if (selectedQuery != null) {
action.setEnabled(true);
} else {
action.setEnabled(false);
}
}
protected RepositoryQuery getSelectedQuery(ISelection newSelection) {
if (selection instanceof StructuredSelection) {
// allow to select only one element
if (((StructuredSelection) selection).size() == 1) {
Object selectedObject = ((StructuredSelection) selection).getFirstElement();
if (selectedObject instanceof IRepositoryQuery) {
return (RepositoryQuery) selectedObject;
}
}
}
return null;
}
public void run(RepositoryQuery selectedQuery) {
if (selectedQuery == null) {
MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
ITasksUiConstants.TITLE_DIALOG, "No query selected.");
return;
}
List<RepositoryQuery> queries = new ArrayList<RepositoryQuery>();
queries.add(selectedQuery);
Document queryDoc = TasksUiPlugin.getTaskListManager().getTaskListWriter().createQueryDocument(queries);
List<RepositoryQuery> clonedQueries = TasksUiPlugin.getTaskListManager().getTaskListWriter().readQueryDocument(
queryDoc);
if (clonedQueries.size() > 0) {
for (RepositoryQuery query : clonedQueries) {
String handle = TasksUiPlugin.getTaskListManager().resolveIdentifiersConflict(query);
query.setHandleIdentifier(handle);
AbstractRepositoryConnectorUi connectorUi = TasksUiPlugin.getConnectorUi(query.getConnectorKind());
TasksUiInternal.openEditQueryDialog(connectorUi, query);
}
} else {
// cannot happen
StatusHandler.fail(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, "Query cloning did not succeeded.",
new IllegalStateException(selectedQuery.toString())));
}
}
}
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