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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.views;
import java.text.DateFormat;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.ILabelDecorator;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.mylyn.internal.tasks.core.ScheduledTaskContainer;
import org.eclipse.mylyn.internal.tasks.core.ScheduledTaskDelegate;
import org.eclipse.mylyn.internal.tasks.core.TaskActivityManager;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiImages;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.monitor.core.DateUtil;
import org.eclipse.mylyn.monitor.core.StatusHandler;
import org.eclipse.mylyn.provisional.workbench.ui.CommonColorsAndFonts;
import org.eclipse.mylyn.tasks.core.AbstractTask;
import org.eclipse.mylyn.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.tasks.core.AbstractTask.PriorityLevel;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
/**
* @author Rob Elves
*/
public class TaskActivityLabelProvider extends TaskElementLabelProvider implements ITableLabelProvider, IColorProvider,
IFontProvider {
private static final String UNITS_HOURS = " hours";
private static final String NO_MINUTES = "0 minutes";
private final TaskActivityManager activityManager;
private Color categoryBackgroundColor;
private final ITreeContentProvider contentProvider;
public TaskActivityLabelProvider(ILabelProvider provider, ILabelDecorator decorator, Color parentBacground,
ITreeContentProvider contentProvider) {
super(true);
this.categoryBackgroundColor = parentBacground;
this.activityManager = TasksUiPlugin.getTaskActivityManager();
this.contentProvider = contentProvider;
}
public Image getColumnImage(Object element, int columnIndex) {
if (columnIndex == 0) {
if (element instanceof ScheduledTaskContainer) {
super.getImage(element);
} else if (element instanceof ScheduledTaskDelegate) {
return super.getImage(((ScheduledTaskDelegate) element).getCorrespondingTask());
} else {
return super.getImage(element);
}
} else if (columnIndex == 1) {
if (element instanceof ScheduledTaskDelegate) {
ScheduledTaskDelegate taskElement = (ScheduledTaskDelegate) element;
return TasksUiImages.getImageForPriority(PriorityLevel.fromString(taskElement.getPriority()));
}
}
return null;
}
public String getColumnText(Object element, int columnIndex) {
if (element instanceof ScheduledTaskDelegate) {
ScheduledTaskDelegate activityDelegate = (ScheduledTaskDelegate) element;
AbstractTask task = activityDelegate.getCorrespondingTask();
switch (columnIndex) {
case 2:
if (task != null) {
return task.getSummary();
}
case 3:
return DateUtil.getFormattedDurationShort(activityManager.getElapsedTime(task,
activityDelegate.getDateRangeContainer().getStart(), activityDelegate.getDateRangeContainer()
.getEnd()));
case 4:
return task.getEstimatedTimeHours() + UNITS_HOURS;
case 5:
if (task.getScheduledForDate() != null) {
return DateFormat.getDateInstance(DateFormat.MEDIUM).format(task.getScheduledForDate());
} else {
return "";
}
// case 6:
// if (activityDelegate.getStart() > 0
// && activityDelegate.getDateRangeContainer().getElapsed(activityDelegate) > 0) {
// return DateFormat.getDateInstance(DateFormat.MEDIUM).format(activityDelegate.getStart());
// } else {
// return "";
// }
}
} else if (element instanceof ScheduledTaskContainer) {
ScheduledTaskContainer taskCategory = (ScheduledTaskContainer) element;
switch (columnIndex) {
case 2:
if (taskCategory.isPresent()) {
return taskCategory.getSummary() + " - Today";
}
return taskCategory.getSummary();
case 3:
String elapsedTimeString = NO_MINUTES;
try {
long elapsed = 0;
for (Object o : contentProvider.getChildren(taskCategory)) {
if (o instanceof ScheduledTaskDelegate) {
elapsed += activityManager.getElapsedTime(
((ScheduledTaskDelegate) o).getCorrespondingTask(), taskCategory.getStart(),
taskCategory.getEnd());
}
}
elapsedTimeString = DateUtil.getFormattedDurationShort(elapsed);
if (elapsedTimeString.equals("")) {
elapsedTimeString = NO_MINUTES;
}
} catch (RuntimeException e) {
StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN,
"Could not format elapsed time", e));
}
return elapsedTimeString;
case 4:
long estimated = 0;
for (Object o : contentProvider.getChildren(taskCategory)) {
if (o instanceof AbstractTask) {
estimated += ((AbstractTask) o).getEstimatedTimeHours();
}
}
return estimated + UNITS_HOURS;
}
}
return null;
}
@Override
public Color getBackground(Object element) {
if (element instanceof AbstractTaskContainer && !(element instanceof AbstractTask)) {
return categoryBackgroundColor;
} else {
return super.getBackground(element);
}
}
@Override
public Font getFont(Object element) {
if (element instanceof ScheduledTaskContainer) {
ScheduledTaskContainer container = (ScheduledTaskContainer) element;
if (container.isPresent()) {
return CommonColorsAndFonts.BOLD;
}
} else if (element instanceof ScheduledTaskDelegate) {
ScheduledTaskDelegate durationDelegate = (ScheduledTaskDelegate) element;
return super.getFont(durationDelegate.getCorrespondingTask());
}
return super.getFont(element);
}
public void setCategoryBackgroundColor(Color categoryBackgroundColor) {
this.categoryBackgroundColor = categoryBackgroundColor;
}
}
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