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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.views;
import java.util.regex.Pattern;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.mylar.internal.tasks.ui.ITaskHighlighter;
import org.eclipse.mylar.internal.tasks.ui.TaskListColorsAndFonts;
import org.eclipse.mylar.internal.tasks.ui.TasksUiImages;
import org.eclipse.mylar.tasks.core.AbstractQueryHit;
import org.eclipse.mylar.tasks.core.AbstractRepositoryQuery;
import org.eclipse.mylar.tasks.core.AbstractRepositoryTask;
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.TaskArchive;
import org.eclipse.mylar.tasks.core.TaskCategory;
import org.eclipse.mylar.tasks.ui.AbstractRepositoryConnectorUi;
import org.eclipse.mylar.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*: .*");
@Override
public Image getImage(Object element) {
if (element instanceof TaskArchive) {
return TasksUiImages.getImage(TasksUiImages.CATEGORY_ARCHIVE);
} else if (element instanceof TaskCategory) {
return TasksUiImages.getImage(TasksUiImages.CATEGORY);
} else if (element instanceof AbstractRepositoryQuery) {
return TasksUiImages.getImage(TasksUiImages.QUERY);
} else if (element instanceof AbstractQueryHit) {
AbstractQueryHit hit = (AbstractQueryHit) element;
if (hit.getCorrespondingTask() != null) {
return getImage(hit.getCorrespondingTask());
} else {
return TasksUiImages.getImage(TasksUiImages.TASK_REMOTE);
}
} else if (element instanceof ITask) {
ITask task = (ITask) element;
// TODO: fix this mess that delaying decoration got us into
if (task.isCompleted()) {
if (task instanceof AbstractRepositoryTask) {
AbstractRepositoryConnectorUi connectorUi = TasksUiPlugin
.getRepositoryUi(((AbstractRepositoryTask) task).getRepositoryKind());
if (connectorUi != null && !connectorUi.hasRichEditor()) {
return TasksUiImages.getImage(TasksUiImages.TASK_COMPLETED);
} else {
return TasksUiImages.getImage(TasksUiImages.TASK_REPOSITORY_COMPLETED);
}
} else {
return TasksUiImages.getImage(TasksUiImages.TASK_COMPLETED);
}
} else if (task.getNotes() != null && !task.getNotes().trim().equals("")) {
if (task instanceof AbstractRepositoryTask) {
AbstractRepositoryConnectorUi connectorUi = TasksUiPlugin
.getRepositoryUi(((AbstractRepositoryTask) task).getRepositoryKind());
if (connectorUi != null && !connectorUi.hasRichEditor()) {
return TasksUiImages.getImage(TasksUiImages.TASK_NOTES);
} else {
return TasksUiImages.getImage(TasksUiImages.TASK_REPOSITORY_NOTES);
}
} else {
return TasksUiImages.getImage(TasksUiImages.TASK_NOTES);
}
} else {
if (task instanceof AbstractRepositoryTask) {
AbstractRepositoryConnectorUi connectorUi = TasksUiPlugin
.getRepositoryUi(((AbstractRepositoryTask) task).getRepositoryKind());
if (connectorUi != null && !connectorUi.hasRichEditor()) {
return TasksUiImages.getImage(TasksUiImages.TASK);
} else {
return TasksUiImages.getImage(TasksUiImages.TASK_REPOSITORY);
}
} else {
return TasksUiImages.getImage(TasksUiImages.TASK);
}
}
}
return null;
}
@Override
public String getText(Object object) {
if (object instanceof AbstractQueryHit) {
AbstractQueryHit hit = (AbstractQueryHit) object;
if (hit.getSummary() == null) {
if (hit.getIdentifyingLabel() != null) {
return hit.getIdentifyingLabel() + NO_SUMMARY_AVAILABLE;
} else {
return hit.getTaskId() + NO_SUMMARY_AVAILABLE;
}
} else if (!pattern.matcher(hit.getSummary()).matches() && hit.getIdentifyingLabel() != null
&& !hit.getIdentifyingLabel().equals("")) {
return hit.getIdentifyingLabel() + ": " + hit.getSummary();
} else {
return hit.getSummary();
}
} else if (object instanceof AbstractRepositoryTask) {
AbstractRepositoryTask task = (AbstractRepositoryTask) 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();
}
// return
// AbstractRepositoryTask.getTaskId(task.getHandleIdentifier())
// + ": " + task.getDescription();
} else {
return task.getSummary();
}
} else if (object instanceof ITaskListElement) {
ITaskListElement element = (ITaskListElement) object;
return element.getSummary();
} else {
return super.getText(object);
}
}
public Color getForeground(Object object) {
if (object instanceof AbstractTaskContainer) {
for (ITask 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);
}
}
} else if (object instanceof AbstractRepositoryQuery) {
// FIXME AbstractRepositoryQuery is a subclass of
// AbstractTaskContainer so this is probably a dead branch!
for (AbstractQueryHit child : ((AbstractRepositoryQuery) object).getHits()) {
ITask task = (child).getCorrespondingTask();
if (task != null && task.isActive()) {
return TaskListColorsAndFonts.COLOR_TASK_ACTIVE;
}
}
} else if (object instanceof AbstractQueryHit && ((AbstractQueryHit) object).getCorrespondingTask() == null) {
AbstractQueryHit hit = (AbstractQueryHit) object;
if ((hit.getCorrespondingTask() != null && hit.getCorrespondingTask().isCompleted()) || hit.isCompleted()) {
return themeManager.getCurrentTheme().getColorRegistry().get(
TaskListColorsAndFonts.THEME_COLOR_COMPLETED);
}
} else if (object instanceof ITaskListElement) {
ITask task = getCorrespondingTask((ITaskListElement) 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);
}
}
}
return null;
}
/**
* TODO: move
*/
public static ITask getCorrespondingTask(ITaskListElement element) {
if (element instanceof ITask) {
return (ITask) element;
} else if (element instanceof AbstractQueryHit) {
return ((AbstractQueryHit) element).getCorrespondingTask();
} else {
return null;
}
}
public Color getBackground(Object element) {
if (element instanceof ITask) {
ITask task = (ITask) element;
ITaskHighlighter highlighter = TasksUiPlugin.getDefault().getHighlighter();
if (highlighter != null) {
return highlighter.getHighlightColor(task);
}
} else if (element instanceof AbstractQueryHit) {
return getBackground(((AbstractQueryHit) element).getCorrespondingTask());
}
// return
// Display.getCurrent().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
return null;
}
public Font getFont(Object element) {
if (!(element instanceof ITaskListElement)) {
return null;
}
ITask task = getCorrespondingTask((ITaskListElement) element);
if (task instanceof AbstractRepositoryTask) {
AbstractRepositoryTask repositoryTask = (AbstractRepositoryTask) task;
if (repositoryTask.isSynchronizing()) {
return TaskListColorsAndFonts.ITALIC;
}
}
if (element instanceof AbstractTaskContainer) {
if (element instanceof AbstractRepositoryQuery) {
if (((AbstractRepositoryQuery) element).isSynchronizing()) {
return TaskListColorsAndFonts.ITALIC;
}
}
for (ITask 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 (ITask child : task.getChildren()) {
if (child.isActive()) {
return TaskListColorsAndFonts.BOLD;
}
}
} else if (element instanceof AbstractQueryHit) {
if (((AbstractQueryHit)element).isCompleted()) {
return TaskListColorsAndFonts.STRIKETHROUGH;
}
}
return null;
}
}
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