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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.tasks.ui.planner;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.mylar.core.MylarStatusHandler;
import org.eclipse.mylar.tasks.core.AbstractRepositoryQuery;
import org.eclipse.mylar.tasks.core.AbstractTaskContainer;
import org.eclipse.mylar.tasks.core.ITask;
import org.eclipse.mylar.tasks.core.ITaskListElement;
import org.eclipse.mylar.tasks.core.Task;
import org.eclipse.mylar.tasks.core.TaskList;
/**
* @author Ken Sueda
* @author Mik Kersten
* @author Rob Elves (scope report to specific categories and queries)
*/
public class TaskReportGenerator implements IRunnableWithProgress {
private static final String LABEL_JOB = "Mylar Task Activity Report";
private boolean finished;
private TaskList tasklist = null;
private List<ITaskCollector> collectors = new ArrayList<ITaskCollector>();
private List<ITask> tasks = new ArrayList<ITask>();
private Set<ITaskListElement> filterCategories;
public TaskReportGenerator(TaskList tlist) {
this(tlist, null);
}
public TaskReportGenerator(TaskList tlist, Set<ITaskListElement> filterCategories) {
tasklist = tlist;
this.filterCategories = filterCategories != null ? filterCategories : new HashSet<ITaskListElement>();
}
public void addCollector(ITaskCollector collector) {
collectors.add(collector);
}
public void collectTasks() {
try {
run(new NullProgressMonitor());
} catch (InvocationTargetException e) {
// operation was canceled
} catch (InterruptedException e) {
MylarStatusHandler.log(e, "Could not collect tasks");
}
}
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
Set<ITaskListElement> rootElements;
if (filterCategories.size() == 0) {
rootElements = tasklist.getRootElements();
} else {
rootElements = filterCategories;
}
int estimatedItemsToProcess = rootElements.size();
monitor.beginTask(LABEL_JOB, estimatedItemsToProcess);
for (Object element : rootElements) {
monitor.worked(1);
if (element instanceof AbstractTaskContainer) {
AbstractTaskContainer cat = (AbstractTaskContainer) element;
for (ITask task : cat.getChildren())
for (ITaskCollector collector : collectors) {
collector.consumeTask(task);
}
} else if (element instanceof Task) {
Task task = (Task) element;
for (ITaskCollector collector : collectors) {
collector.consumeTask(task);
}
} else if (element instanceof AbstractRepositoryQuery) {
// process queries
AbstractRepositoryQuery repositoryQuery = (AbstractRepositoryQuery) element;
for(ITask task : repositoryQuery.getChildren()) {
for (ITaskCollector collector : collectors) {
collector.consumeTask(task);
}
}
}
}
// Put the results all into one list (tasks)
for (ITaskCollector collector : collectors) {
tasks.addAll(collector.getTasks());
}
finished = true;
monitor.done();
}
public List<ITask> getAllCollectedTasks() {
return tasks;
}
public boolean isFinished() {
return finished;
}
}
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