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/*******************************************************************************
* Copyright (c) 2003, 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.search;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.mylyn.internal.tasks.core.AbstractRepositoryQuery;
import org.eclipse.mylyn.internal.tasks.core.AbstractTask;
import org.eclipse.mylyn.internal.tasks.core.deprecated.AbstractLegacyRepositoryConnector;
import org.eclipse.mylyn.internal.tasks.core.deprecated.LegacyTaskDataCollector;
import org.eclipse.mylyn.internal.tasks.core.deprecated.RepositoryTaskData;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector;
import org.eclipse.mylyn.tasks.core.ITaskList;
import org.eclipse.mylyn.tasks.core.RepositoryStatus;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.core.data.TaskDataCollector;
import org.eclipse.mylyn.tasks.ui.TasksUi;
import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.search.ui.ISearchResult;
import org.eclipse.search.ui.NewSearchUI;
import org.eclipse.search.ui.text.Match;
import org.eclipse.ui.PlatformUI;
/**
* Used for returning results from Eclipse Search view. Collects results of a repository search.
*
* @author Rob Elves
* @since 2.0
*/
public class SearchHitCollector extends LegacyTaskDataCollector implements ISearchQuery {
private static final String LABEL_MAX_HITS_REACHED = "Max allowed number of hits returned exceeded. Some hits may not be displayed. Please narrow query scope.";
private static final String QUERYING_REPOSITORY = "Querying Repository...";
private final Set<AbstractTask> taskResults = new HashSet<AbstractTask>();
// /** The string to display to the user when we have 1 match */
// private static final String MATCH = "1 match";
//
// /** The string to display to the user when we have multiple or no matches */
// private static final String MATCHES = "{0} matches";
private final ITaskList taskList;
private final TaskRepository repository;
private final AbstractRepositoryQuery repositoryQuery;
private final RepositorySearchResult searchResult;
private final AbstractRepositoryConnector connector;
/**
* @since 3.0
*/
public SearchHitCollector(ITaskList tasklist, TaskRepository repository, AbstractRepositoryQuery repositoryQuery) {
this.taskList = tasklist;
this.repository = repository;
this.repositoryQuery = repositoryQuery;
this.connector = TasksUi.getRepositoryManager().getRepositoryConnector(repository.getConnectorKind());
this.searchResult = new RepositorySearchResult(this);
}
public void aboutToStart() {
taskResults.clear();
searchResult.removeAll();
PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
public void run() {
NewSearchUI.activateSearchResultView();
}
});
}
// public void accept(AbstractTask task) {
// if (task == null) {
// throw new IllegalArgumentException();
// }
//
// AbstractTask hitTask = taskList.getTask(task.getHandleIdentifier());
// if (hitTask == null) {
// hitTask = task;
// }
//
// taskResults.add(hitTask);
// this.searchResult.addMatch(new Match(hitTask, 0, 0));
// }
@Override
public void accept(RepositoryTaskData taskData) {
AbstractTask task = taskList.getTask(repository.getRepositoryUrl(), taskData.getTaskId());
if (task == null) {
task = ((AbstractLegacyRepositoryConnector) connector).createTask(taskData.getRepositoryUrl(),
taskData.getTaskId(), "");
((AbstractLegacyRepositoryConnector) connector).updateTaskFromTaskData(repository, task, taskData);
}
taskResults.add(task);
this.searchResult.addMatch(new Match(task, 0, 0));
}
public String getLabel() {
return QUERYING_REPOSITORY;
}
public boolean canRerun() {
return true;
}
public boolean canRunInBackground() {
return true;
}
public ISearchResult getSearchResult() {
if (searchResult.getMatchCount() >= TaskDataCollector.MAX_HITS) {
TasksUiInternal.displayStatus("Maximum hits reached", RepositoryStatus.createStatus(
repository.getRepositoryUrl(), IStatus.WARNING, TasksUiPlugin.ID_PLUGIN, LABEL_MAX_HITS_REACHED));
}
return searchResult;
}
public IStatus run(IProgressMonitor monitor) throws OperationCanceledException {
if (monitor == null) {
monitor = new NullProgressMonitor();
}
//monitor.beginTask(QUERYING_REPOSITORY, IProgressMonitor.UNKNOWN);
aboutToStart();
if (monitor.isCanceled()) {
throw new OperationCanceledException("Search cancelled");
}
AbstractRepositoryConnector connector = TasksUi.getRepositoryManager().getRepositoryConnector(
repositoryQuery.getConnectorKind());
if (connector != null) {
IStatus status = connector.performQuery(repository, repositoryQuery, this, null, monitor);
if (!status.isOK()) {
TasksUiInternal.displayStatus("Search failed", status);
}
} else {
return new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, IStatus.OK,
"repository connector could not be found", null);
}
return Status.OK_STATUS;
}
// protected String getFormattedMatchesString(int count) {
// if (count == 1) {
// return MATCH;
// }
// Object[] messageFormatArgs = { new Integer(count) };
// return MessageFormat.format(MATCHES, messageFormatArgs);
// }
public Set<AbstractTask> getTasks() {
return taskResults;
}
public AbstractRepositoryQuery getRepositoryQuery() {
return repositoryQuery;
}
}
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