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/*******************************************************************************
* Copyright (c) 2004, 2008 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.views;
import java.util.Calendar;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.Timer;
import java.util.TimerTask;
import org.eclipse.core.runtime.Platform;
import org.eclipse.mylyn.internal.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.internal.tasks.core.DateRange;
import org.eclipse.mylyn.internal.tasks.core.ScheduledTaskContainer;
import org.eclipse.mylyn.internal.tasks.core.TaskActivityManager;
import org.eclipse.mylyn.internal.tasks.core.TaskActivityUtil;
import org.eclipse.mylyn.internal.tasks.core.WeekDateRange;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.ITaskActivityListener;
import org.eclipse.mylyn.tasks.core.ITaskContainer;
import org.eclipse.ui.PlatformUI;
/**
* Used by Scheduled task list presentation
*
* @author Rob Elves
*/
public class TaskScheduleContentProvider extends TaskListContentProvider implements ITaskActivityListener {
private final TaskActivityManager taskActivityManager;
private Timer timer;
private final Unscheduled unscheduled;
private final Calendar END_OF_TIME;
public TaskScheduleContentProvider(TaskListView taskListView) {
super(taskListView);
this.taskActivityManager = TasksUiPlugin.getTaskActivityManager();
taskActivityManager.addActivityListener(this);
END_OF_TIME = TaskActivityUtil.getCalendar();
END_OF_TIME.add(Calendar.YEAR, 5000);
END_OF_TIME.getTime();
unscheduled = new Unscheduled(taskActivityManager, new DateRange(END_OF_TIME));
timer = new Timer();
}
@Override
public Object[] getElements(Object parent) {
if (parent != null && parent.equals(this.taskListView.getViewSite())) {
Set<AbstractTaskContainer> containers = new HashSet<AbstractTaskContainer>();
WeekDateRange week = TaskActivityUtil.getCurrentWeek();
WeekDateRange nextWeek = TaskActivityUtil.getNextWeek();
timer.cancel();
timer = new Timer();
timer.schedule(new RolloverCheck(), week.getToday().getEndDate().getTime());
for (DateRange day : week.getRemainingDays()) {
containers.add(new ScheduledTaskContainer(TasksUiPlugin.getTaskActivityManager(), day));
}
containers.add(new ScheduledTaskContainer(TasksUiPlugin.getTaskActivityManager(), week));
for (DateRange day : nextWeek.getDaysOfWeek()) {
containers.add(new ScheduledTaskContainer(TasksUiPlugin.getTaskActivityManager(), day));
}
ScheduledTaskContainer nextWeekContainer = new ScheduledTaskContainer(taskActivityManager, nextWeek);
containers.add(nextWeekContainer);
ScheduledTaskContainer twoWeeksContainer = new ScheduledTaskContainer(taskActivityManager, week.next()
.next(), "Two Weeks");
containers.add(twoWeeksContainer);
containers.add(unscheduled);
Calendar startDate = TaskActivityUtil.getCalendar();
startDate.setTimeInMillis(twoWeeksContainer.getEnd().getTimeInMillis());
TaskActivityUtil.snapNextDay(startDate);
Calendar endDate = TaskActivityUtil.getCalendar();
endDate.add(Calendar.YEAR, 4999);
DateRange future = new DateRange(startDate, endDate);
ScheduledTaskContainer futureContainer = new ScheduledTaskContainer(taskActivityManager, future, "Future");
containers.add(futureContainer);
return applyFilter(containers).toArray();
} else {
return getChildren(parent);
}
}
@Override
public Object getParent(Object child) {
// for (Object o : getElements(null)) {
// ScheduledTaskContainer container = ((ScheduledTaskContainer) o);
// if (container.getChildren().contains(((ITask) child).getHandleIdentifier())) {
// return container;
// }
// }
return null;
}
@Override
public boolean hasChildren(Object parent) {
return getChildren(parent).length > 0;
}
@Override
public Object[] getChildren(Object parent) {
Set<ITask> result = new HashSet<ITask>();
if (parent instanceof ITask) {
// flat presentation (no subtasks revealed in Scheduled mode)
} else if (parent instanceof ScheduledTaskContainer) {
for (ITask child : ((ScheduledTaskContainer) parent).getChildren()) {
if (!filter(parent, child)) {
result.add(child);
}
}
} else if (parent instanceof ITaskContainer) {
for (ITask child : ((ITaskContainer) parent).getChildren()) {
result.add(child);
}
}
return result.toArray();
}
private void refresh() {
if (Platform.isRunning() && PlatformUI.getWorkbench() != null && !PlatformUI.getWorkbench().isClosing()) {
PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
public void run() {
taskListView.refresh();
}
});
}
}
@Override
public void dispose() {
taskActivityManager.removeActivityListener(this);
super.dispose();
}
private class RolloverCheck extends TimerTask {
@Override
public void run() {
refresh();
}
}
public void activityReset() {
refresh();
}
public void elapsedTimeUpdated(ITask task, long newElapsedTime) {
// ignore
}
public void preTaskActivated(ITask task) {
// ignore
}
public void preTaskDeactivated(ITask task) {
// ignore
}
public void taskActivated(ITask task) {
// ignore
}
public void taskDeactivated(ITask task) {
// ignore
}
public class Unscheduled extends ScheduledTaskContainer {
private final TaskActivityManager activityManager;
public Unscheduled(TaskActivityManager activityManager, DateRange range) {
super(activityManager, range, "Unscheduled");
this.activityManager = activityManager;
}
@Override
public Collection<ITask> getChildren() {
Set<ITask> all = new HashSet<ITask>();
for (ITask task : activityManager.getUnscheduled()) {
if (!task.isCompleted() || (task.isCompleted() && !task.getSynchronizationState().isSynchronized())) {
all.add(task);
}
}
return all;
}
}
}
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