/*******************************************************************************
* Copyright (c) 2000, 2007 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jface.action.ContributionItem;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.ui.IPropertyListener;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbenchPartConstants;
import org.eclipse.ui.IWorkbenchPartReference;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.internal.util.Util;
/**
* A dynamic contribution item which supports to switch to other Contexts.
*/
public class ShowFastViewContribution extends ContributionItem {
public static final String FAST_VIEW = "FastView"; //$NON-NLS-1$
private IWorkbenchWindow window;
private String fvbId;
/**
* Create a new ToolBar item.
*/
public ShowFastViewContribution(IWorkbenchWindow window, String id) {
super("showFastViewContr"); //$NON-NLS-1$
this.window = window;
this.fvbId = id;
}
/**
* Lagacy constructor...automatically points to the legacy FastViewBar
* @param window
*/
public ShowFastViewContribution(IWorkbenchWindow window) {
this(window, FastViewBar.FASTVIEWBAR_ID);
}
private void updateItem(ToolItem item, IViewReference ref) {
if (item.getImage() != ref.getTitleImage()) {
item.setImage(ref.getTitleImage());
}
if (!Util.equals(item.getToolTipText(), ref.getTitle())) {
item.setToolTipText(ref.getTitle());
}
}
public static ToolItem getItem(ToolBar toSearch, IWorkbenchPartReference ref) {
ToolItem[] items = toSearch.getItems();
for (int i = 0; i < items.length; i++) {
ToolItem item = items[i];
if (item.getData(FAST_VIEW) == ref) {
return item;
}
}
return null;
}
/**
* The default implementation of this <code>IContributionItem</code>
* method does nothing. Subclasses may override.
*/
public void fill(ToolBar parent, int index) {
// Get page.
WorkbenchPage page = (WorkbenchPage) window.getActivePage();
if (page == null) {
return;
}
// Get views...
List fvs = new ArrayList();
Perspective perspective = page.getActivePerspective();
if (perspective != null)
fvs = perspective.getFastViewManager().getFastViews(fvbId);
// Create tool item for each view.
for (Iterator fvIter = fvs.iterator(); fvIter.hasNext();) {
final IViewReference ref = (IViewReference) fvIter.next();
final ToolItem item = new ToolItem(parent, SWT.CHECK, index);
updateItem(item, ref);
item.setData(FAST_VIEW, ref);
final IPropertyListener propertyListener = new IPropertyListener() {
public void propertyChanged(Object source, int propId) {
if (propId == IWorkbenchPartConstants.PROP_TITLE) {
if (!item.isDisposed()) {
updateItem(item, ref);
}
}
}
};
ref.addPropertyListener(propertyListener);
item.addDisposeListener(new DisposeListener() {
/* (non-Javadoc)
* @see org.eclipse.swt.events.DisposeListener#widgetDisposed(org.eclipse.swt.events.DisposeEvent)
*/
public void widgetDisposed(DisposeEvent e) {
ref.removePropertyListener(propertyListener);
}
});
// Select the active fast view's icon.
if (ref == page.getActiveFastView()) {
item.setSelection(true);
} else {
item.setSelection(false);
}
item.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
showView(ref);
}
});
index++;
}
}
/**
* Returns whether the contribution is dynamic.
*/
public boolean isDynamic() {
return true;
}
/**
* Open a view.
*/
private void showView(IViewReference ref) {
WorkbenchPage page = (WorkbenchPage) ref.getPage();
page.toggleFastView(ref);
}
}