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package org.eclipse.mylyn.internal.tasks.ui;
/*******************************************************************************
* Copyright (c) 2004 - 2006 Mylar 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
*******************************************************************************/
import java.util.List;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.mylyn.internal.tasks.ui.actions.PreviousTaskDropDownAction;
import org.eclipse.mylyn.internal.tasks.ui.views.TaskListFilteredTree;
import org.eclipse.mylyn.internal.tasks.ui.views.TaskListView;
import org.eclipse.mylyn.tasks.core.DateRangeContainer;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.ITaskActivityListener;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.tasks.ui.TasksUiUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.forms.widgets.Hyperlink;
import org.eclipse.ui.menus.WorkbenchWindowControlContribution;
/**
* @author Mik Kersten
* @author Leo Dos Santos
*/
public class TaskTrimWidget extends WorkbenchWindowControlContribution {
private Composite composite = null;
private Hyperlink activeTaskLabel;
private PreviousTaskDropDownAction navigateAction;
private final ITaskActivityListener TASK_CHANGE_LISTENER = new ITaskActivityListener() {
public void taskActivated(ITask task) {
indicateActiveTask(task);
}
public void taskDeactivated(ITask task) {
indicateNoActiveTask();
}
public void activityChanged(DateRangeContainer week) {
}
public void calendarChanged() {
}
public void taskListRead() {
}
public void tasksActivated(List<ITask> tasks) {
}
};
public TaskTrimWidget() {
super();
TasksUiPlugin.getTaskListManager().addActivityListener(TASK_CHANGE_LISTENER);
}
@Override
public void dispose() {
if (composite != null && !composite.isDisposed())
composite.dispose();
composite = null;
TasksUiPlugin.getTaskListManager().removeActivityListener(TASK_CHANGE_LISTENER);
super.dispose();
}
@Override
protected Control createControl(Composite parent) {
composite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
layout.horizontalSpacing = 2;
layout.marginHeight = 0;
layout.marginWidth = 0;
layout.marginRight = 5;
composite.setLayout(layout);
GridData gridData = new GridData(SWT.NONE, SWT.CENTER, false, false);
composite.setLayoutData(gridData);
navigateAction = new PreviousTaskDropDownAction(TasksUiPlugin.getTaskListManager().getTaskActivationHistory());
ToolBarManager manager = new ToolBarManager(SWT.FLAT);
manager.add(navigateAction);
manager.createControl(composite);
createStatusComposite(composite);
return composite;
}
private Composite createStatusComposite(Composite container) {
GC gc = new GC(container);
Point p = gc.textExtent("WWWWWWWWWWWWWWW");
gc.dispose();
activeTaskLabel = new Hyperlink(container, SWT.RIGHT);
activeTaskLabel.setLayoutData(new GridData(p.x, SWT.DEFAULT));
activeTaskLabel.setText(TaskListFilteredTree.LABEL_NO_ACTIVE);
ITask activeTask = TasksUiPlugin.getTaskListManager().getTaskList().getActiveTask();
if (activeTask != null) {
indicateActiveTask(activeTask);
}
activeTaskLabel.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
// if (TaskListFilteredTree.super.filterText.getText().length()
// > 0) {
// TaskListFilteredTree.super.filterText.setText("");
// TaskListFilteredTree.this.textChanged();
// }
if (TaskListView.getFromActivePerspective().getDrilledIntoCategory() != null) {
TaskListView.getFromActivePerspective().goUpToRoot();
}
TasksUiUtil.refreshAndOpenTaskListElement((TasksUiPlugin.getTaskListManager().getTaskList()
.getActiveTask()));
}
});
return activeTaskLabel;
}
public void indicateActiveTask(ITask task) {
if (activeTaskLabel.isDisposed()) {
return;
}
activeTaskLabel.setText(task.getSummary());
activeTaskLabel.setUnderlined(true);
activeTaskLabel.setToolTipText(task.getSummary());
}
public void indicateNoActiveTask() {
if (activeTaskLabel.isDisposed()) {
return;
}
activeTaskLabel.setText(TaskListFilteredTree.LABEL_NO_ACTIVE);
activeTaskLabel.setUnderlined(false);
activeTaskLabel.setToolTipText("");
}
}
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