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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.util.regex.Pattern;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.mylyn.internal.tasks.core.ScheduledTaskContainer;
import org.eclipse.mylyn.internal.tasks.core.TaskArchive;
import org.eclipse.mylyn.internal.tasks.core.TaskCategory;
import org.eclipse.mylyn.internal.tasks.core.UnfiledCategory;
import org.eclipse.mylyn.internal.tasks.ui.ITaskHighlighter;
import org.eclipse.mylyn.internal.tasks.ui.TaskListColorsAndFonts;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiImages;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryQuery;
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.mylyn.tasks.core.AbstractTask.RepositoryTaskSyncState;
import org.eclipse.mylyn.tasks.ui.AbstractRepositoryConnectorUi;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.themes.IThemeManager;
/**
* @author Mik Kersten
*/
public class TaskElementLabelProvider extends LabelProvider implements IColorProvider, IFontProvider {
private static final String NO_SUMMARY_AVAILABLE = ": <no summary available>";
private IThemeManager themeManager = PlatformUI.getWorkbench().getThemeManager();
private static final Pattern pattern = Pattern.compile("\\d*: .*");
private boolean wideImages = false;
private class CompositeImageDescriptor {
ImageDescriptor icon;
ImageDescriptor overlayKind;
};
// public TaskElementLabelProvider() {
// super();
// }
public TaskElementLabelProvider(boolean wideImages) {
super();
this.wideImages = wideImages;
}
@Override
public Image getImage(Object element) {
CompositeImageDescriptor compositeDescriptor = getImageDescriptor(element);
if (element instanceof AbstractTask) {
if (compositeDescriptor.overlayKind == null) {
compositeDescriptor.overlayKind = TasksUiImages.OVERLAY_BLANK;
}
return TasksUiImages.getCompositeTaskImage(compositeDescriptor.icon, compositeDescriptor.overlayKind,
wideImages);
} else if (element instanceof AbstractTaskContainer) {
return TasksUiImages.getCompositeTaskImage(compositeDescriptor.icon, TasksUiImages.OVERLAY_BLANK,
wideImages);
} else {
return TasksUiImages.getCompositeTaskImage(compositeDescriptor.icon, null, wideImages);
}
}
private CompositeImageDescriptor getImageDescriptor(Object object) {
CompositeImageDescriptor compositeDescriptor = new CompositeImageDescriptor();
if (object instanceof TaskArchive) {
compositeDescriptor.icon = TasksUiImages.CATEGORY_ARCHIVE;
return compositeDescriptor;
} else if (object instanceof TaskCategory || object instanceof UnfiledCategory) {
compositeDescriptor.icon = TasksUiImages.CATEGORY;
}
if (object instanceof AbstractTaskContainer) {
AbstractTaskContainer element = (AbstractTaskContainer) object;
AbstractRepositoryConnectorUi connectorUi = null;
if (element instanceof AbstractTask) {
AbstractTask repositoryTask = (AbstractTask) element;
connectorUi = TasksUiPlugin.getConnectorUi(((AbstractTask) element).getConnectorKind());
if (connectorUi != null) {
compositeDescriptor.overlayKind = connectorUi.getTaskKindOverlay(repositoryTask);
}
} else if (element instanceof AbstractRepositoryQuery) {
connectorUi = TasksUiPlugin.getConnectorUi(((AbstractRepositoryQuery) element).getRepositoryKind());
}
if (connectorUi != null) {
compositeDescriptor.icon = connectorUi.getTaskListElementIcon(element);
return compositeDescriptor;
} else {
if (element instanceof AbstractRepositoryQuery) {
compositeDescriptor.icon = TasksUiImages.QUERY;
} else if (element instanceof AbstractTask) {
compositeDescriptor.icon = TasksUiImages.TASK;
} else if (element instanceof ScheduledTaskContainer) {
compositeDescriptor.icon = TasksUiImages.CALENDAR;
}
return compositeDescriptor;
}
}
return compositeDescriptor;
}
public static ImageDescriptor getSynchronizationImageDescriptor(Object element, boolean synchViewStyle) {
AbstractTask repositoryTask = null;
ImageDescriptor imageDescriptor = null;
if (element instanceof AbstractTask) {
repositoryTask = (AbstractTask) element;
}
if (repositoryTask != null) {
if (repositoryTask.getLastReadTimeStamp() == null) {
if (synchViewStyle) {
return TasksUiImages.OVERLAY_SYNCH_INCOMMING_NEW;
} else {
return TasksUiImages.OVERLAY_INCOMMING_NEW;
}
}
if (repositoryTask.getSynchronizationState() == RepositoryTaskSyncState.OUTGOING) {
if (synchViewStyle) {
imageDescriptor = TasksUiImages.OVERLAY_SYNCH_OUTGOING;
} else {
imageDescriptor = TasksUiImages.OVERLAY_OUTGOING;
}
} else if (repositoryTask.getSynchronizationState() == RepositoryTaskSyncState.INCOMING) {
if (synchViewStyle) {
imageDescriptor = TasksUiImages.OVERLAY_SYNCH_INCOMMING;
} else {
imageDescriptor = TasksUiImages.OVERLAY_INCOMMING;
}
} else if (repositoryTask.getSynchronizationState() == RepositoryTaskSyncState.CONFLICT) {
imageDescriptor = TasksUiImages.OVERLAY_CONFLICT;
}
if (imageDescriptor == null && repositoryTask.getSynchronizationStatus() != null) {
return TasksUiImages.OVERLAY_WARNING;
} else if (imageDescriptor != null) {
return imageDescriptor;
}
} else if (element instanceof AbstractTaskContainer) {
AbstractTaskContainer container = (AbstractTaskContainer) element;
if (container instanceof AbstractRepositoryQuery) {
AbstractRepositoryQuery query = (AbstractRepositoryQuery) container;
if (query.getSynchronizationStatus() != null) {
return TasksUiImages.OVERLAY_WARNING;
}
}
}
// HACK: need a proper blank image
return TasksUiImages.OVERLAY_BLANK;
}
public static ImageDescriptor getPriorityImageDescriptor(Object element) {
AbstractRepositoryConnectorUi connectorUi;
if (element instanceof AbstractTask) {
AbstractTask repositoryTask = (AbstractTask) element;
connectorUi = TasksUiPlugin.getConnectorUi(((AbstractTask) element).getConnectorKind());
if (connectorUi != null) {
return connectorUi.getTaskPriorityOverlay(repositoryTask);
}
}
if (element instanceof AbstractTask) {
AbstractTask task = TaskElementLabelProvider.getCorrespondingTask((AbstractTaskContainer) element);
if (task != null) {
return TasksUiImages.getImageDescriptorForPriority(PriorityLevel.fromString(task.getPriority()));
}
}
return null;
}
@Override
public String getText(Object object) {
if (object instanceof AbstractTask) {
AbstractTask task = (AbstractTask) object;
if (task.getSummary() == null) {
if (task.getTaskKey() != null) {
return task.getTaskKey() + NO_SUMMARY_AVAILABLE;
} else {
return task.getTaskId() + NO_SUMMARY_AVAILABLE;
}
} else if (!pattern.matcher(task.getSummary()).matches()) {
if (task.getTaskKey() != null) {
return task.getTaskKey() + ": " + task.getSummary();
} else {
return task.getSummary();
}
} else {
return task.getSummary();
}
} else if (object instanceof AbstractTaskContainer) {
AbstractTaskContainer element = (AbstractTaskContainer) object;
return element.getSummary();
} else {
return super.getText(object);
}
}
public Color getForeground(Object object) {
if (object instanceof AbstractTaskContainer && object instanceof AbstractTask) {
AbstractTask task = getCorrespondingTask((AbstractTaskContainer) object);
if (task != null) {
if (TasksUiPlugin.getTaskListManager().isCompletedToday(task)) {
return themeManager.getCurrentTheme().getColorRegistry().get(
TaskListColorsAndFonts.THEME_COLOR_TASK_TODAY_COMPLETED);
} else if (task.isCompleted()) {
return themeManager.getCurrentTheme().getColorRegistry().get(
TaskListColorsAndFonts.THEME_COLOR_COMPLETED);
} else if (task.isActive()) {
return TaskListColorsAndFonts.COLOR_TASK_ACTIVE;
} else if (task.isPastReminder()) {
return themeManager.getCurrentTheme().getColorRegistry().get(
TaskListColorsAndFonts.THEME_COLOR_TASK_OVERDUE);
} else if (TasksUiPlugin.getTaskListManager().isScheduledForToday(task)) {
return themeManager.getCurrentTheme().getColorRegistry().get(
TaskListColorsAndFonts.THEME_COLOR_TASK_TODAY_SCHEDULED);
} else if (TasksUiPlugin.getTaskListManager().isScheduledForThisWeek(task)) {
return themeManager.getCurrentTheme().getColorRegistry().get(
TaskListColorsAndFonts.THEME_COLOR_TASK_THISWEEK_SCHEDULED);
}
}
} else if (object instanceof AbstractTaskContainer) {
for (AbstractTask child : ((AbstractTaskContainer) object).getChildren()) {
if (child.isActive()) {
return TaskListColorsAndFonts.COLOR_TASK_ACTIVE;
} else if (child.isPastReminder() && !child.isCompleted()) {
return themeManager.getCurrentTheme().getColorRegistry().get(
TaskListColorsAndFonts.THEME_COLOR_TASK_OVERDUE);
}
}
}
return null;
}
/**
* TODO: move
*/
public static AbstractTask getCorrespondingTask(AbstractTaskContainer element) {
if (element instanceof AbstractTask) {
return (AbstractTask) element;
} else {
return null;
}
}
public Color getBackground(Object element) {
if (element instanceof AbstractTask) {
AbstractTask task = (AbstractTask) element;
ITaskHighlighter highlighter = TasksUiPlugin.getDefault().getHighlighter();
if (highlighter != null) {
return highlighter.getHighlightColor(task);
}
}
return null;
}
public Font getFont(Object element) {
if (!(element instanceof AbstractTaskContainer)) {
return null;
}
AbstractTask task = getCorrespondingTask((AbstractTaskContainer) element);
if (task != null) {
AbstractTask repositoryTask = task;
if (repositoryTask.isSynchronizing()) {
return TaskListColorsAndFonts.ITALIC;
}
}
if (element instanceof AbstractTaskContainer) {
if (element instanceof AbstractRepositoryQuery) {
if (((AbstractRepositoryQuery) element).isSynchronizing()) {
return TaskListColorsAndFonts.ITALIC;
}
}
for (AbstractTask child : ((AbstractTaskContainer) element).getChildren()) {
if (child.isActive()) {
return TaskListColorsAndFonts.BOLD;
}
}
}
if (task != null) {
if (task.isActive()) {
return TaskListColorsAndFonts.BOLD;
} else if (task.isCompleted()) {
return TaskListColorsAndFonts.STRIKETHROUGH;
}
for (AbstractTask child : task.getChildren()) {
if (child.isActive()) {
return TaskListColorsAndFonts.BOLD;
}
}
}
return null;
}
}
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