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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.Collection;
import java.util.List;
import java.util.Set;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.internal.tasks.core.AbstractTask;
import org.eclipse.mylyn.internal.tasks.core.RepositoryQuery;
import org.eclipse.mylyn.internal.tasks.ui.TaskRepositoryUtil;
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.core.ITask;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.WorkbenchImages;
import org.eclipse.ui.texteditor.IWorkbenchActionDefinitionIds;
/**
* @author Mik Kersten
*/
public class DeleteTaskRepositoryAction extends AbstractTaskRepositoryAction {
private static final String ID = "org.eclipse.mylyn.tasklist.repositories.delete";
public DeleteTaskRepositoryAction() {
super("Delete Repository");
setImageDescriptor(WorkbenchImages.getImageDescriptor(ISharedImages.IMG_TOOL_DELETE));
setId(ID);
setEnabled(false);
setActionDefinitionId(IWorkbenchActionDefinitionIds.DELETE);
}
public void init(IViewPart view) {
// ignore
}
@Override
public void run() {
try {
boolean deleteConfirmed = MessageDialog.openQuestion(PlatformUI.getWorkbench()
.getActiveWorkbenchWindow()
.getShell(), "Confirm Delete", "Delete the selected task repositories?");
if (deleteConfirmed) {
IStructuredSelection selection = getStructuredSelection();
// check for queries over this repository
Set<RepositoryQuery> queries = TasksUiInternal.getTaskList().getQueries();
List<TaskRepository> repositoriesInUse = new ArrayList<TaskRepository>();
List<TaskRepository> repositoriesToDelete = new ArrayList<TaskRepository>();
for (Object selectedObject : selection.toList()) {
if (selectedObject instanceof TaskRepository) {
TaskRepository taskRepository = (TaskRepository) selectedObject;
if (queries != null && queries.size() > 0) {
for (IRepositoryQuery query : queries) {
if (query.getRepositoryUrl().equals(taskRepository.getRepositoryUrl())) {
repositoriesInUse.add(taskRepository);
break;
}
}
}
if (!repositoriesInUse.contains(taskRepository)) {
repositoriesToDelete.add(taskRepository);
}
}
}
// check for tasks from this repository
// bug 243975
Collection<AbstractTask> tasks = TasksUiPlugin.getTaskList().getAllTasks();
for (Object selectedObject : selection.toList()) {
if (selectedObject instanceof TaskRepository) {
TaskRepository taskRepository = (TaskRepository) selectedObject;
if (tasks != null && tasks.size() > 0) {
for (ITask task : tasks) {
if (task.getRepositoryUrl() != null
&& task.getRepositoryUrl().equals(taskRepository.getRepositoryUrl())) {
repositoriesInUse.add(taskRepository);
break;
}
}
}
if (repositoriesInUse.contains(taskRepository)) {
repositoriesToDelete.remove(taskRepository);
}
}
}
for (TaskRepository taskRepository : repositoriesToDelete) {
TasksUiPlugin.getRepositoryManager().removeRepository(taskRepository,
TasksUiPlugin.getDefault().getRepositoriesFilePath());
// if repository is contributed via template, ensure it isn't added again
TaskRepositoryUtil.disableAddAutomatically(taskRepository.getRepositoryUrl());
}
if (repositoriesInUse.size() > 0) {
MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
"Repository In Use",
"One or more of the selected repositories is being used by a query or a task and can not be deleted.");
}
}
} catch (Exception e) {
StatusHandler.fail(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, e.getMessage(), e));
}
}
}
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