/*******************************************************************************
* Copyright (c) 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.menus;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.expressions.Expression;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.action.ContributionManager;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.action.ToolBarContributionItem;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.ui.internal.WorkbenchWindow;
import org.eclipse.ui.internal.expressions.WorkbenchWindowExpression;
import org.eclipse.ui.internal.layout.IWindowTrim;
import org.eclipse.ui.internal.layout.TrimLayout;
import org.eclipse.ui.internal.misc.StatusUtil;
import org.eclipse.ui.menus.AbstractContributionFactory;
import org.eclipse.ui.menus.IMenuService;
import org.eclipse.ui.menus.MenuUtil;
import org.eclipse.ui.statushandlers.StatusManager;
/**
* Manage trim contributions added through the 'org.eclipse.ui.menus'
* extension point.
*
* @since 3.3
*
*/
public class TrimContributionManager extends ContributionManager {
private class ToolBarTrimProxy implements IWindowTrim {
private String id;
private String uriSpec;
private WorkbenchMenuService menuService;
private WorkbenchWindow wbw;
private ToolBar tb = null;
private ToolBarManager tbm = null;
ToolBarTrimProxy(String id, WorkbenchWindow wbw) {
this.id = id;
uriSpec = "toolbar:" + id; //$NON-NLS-1$
this.wbw = wbw;
this.menuService = (WorkbenchMenuService) wbw.getWorkbench().getService(
IMenuService.class);
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#dock(int)
*/
public void dock(int dropSide) {
dispose();
int orientation = SWT.HORIZONTAL;
if (dropSide == SWT.LEFT || dropSide == SWT.RIGHT)
orientation = SWT.VERTICAL;
// Create the new control, manager...
tbm = new ToolBarManager(SWT.FLAT | orientation);
menuService.populateContributionManager(tbm, uriSpec);
// Set the state for any Control entries
IContributionItem[] items = tbm.getItems();
for (int i = 0; i < items.length; i++) {
if (items[i] instanceof InternalControlContribution) {
InternalControlContribution wbwcc = (InternalControlContribution) items[i];
wbwcc.setWorkbenchWindow(wbw);
wbwcc.setCurSide(dropSide);
}
}
// OK, create the ToolBar (causes an 'update(true)'
tb = tbm.createControl(wbw.getShell());
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#getControl()
*/
public Control getControl() {
return tb;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#getDisplayName()
*/
public String getDisplayName() {
return getId();
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#getHeightHint()
*/
public int getHeightHint() {
return SWT.DEFAULT;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#getId()
*/
public String getId() {
return id;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#getValidSides()
*/
public int getValidSides() {
return SWT.TOP | SWT.BOTTOM | SWT.LEFT | SWT.RIGHT;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#getWidthHint()
*/
public int getWidthHint() {
return SWT.DEFAULT;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#handleClose()
*/
public void handleClose() {
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#isCloseable()
*/
public boolean isCloseable() {
return false;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.layout.IWindowTrim#isResizeable()
*/
public boolean isResizeable() {
return false;
}
/**
* Dispose any trim element resources
*/
public void dispose() {
if (tbm != null) {
tbm.removeAll();
tbm.dispose();
}
}
}
/**
* A List of the URI's representing the trim areas
*/
private String[] trimAreaURIs = {
MenuUtil.TRIM_COMMAND1,
MenuUtil.TRIM_COMMAND2,
MenuUtil.TRIM_VERTICAL1,
MenuUtil.TRIM_VERTICAL2,
MenuUtil.TRIM_STATUS
};
/**
* The SWT 'side' corresponding to a URI
*/
private int[] swtSides = { SWT.TOP, SWT.TOP, SWT.LEFT, SWT.RIGHT, SWT.BOTTOM };
private WorkbenchWindow wbWindow;
TrimLayout layout;
private InternalMenuService menuService;
List contributedTrim = new ArrayList();
List contributedLists = new ArrayList();
private Expression restrictionExpression;
/**
* Construct a contribution manager for the given window
*/
public TrimContributionManager(WorkbenchWindow window) {
wbWindow = window;
layout = (TrimLayout) wbWindow.getShell().getLayout();
menuService = (InternalMenuService) window.getService(
IMenuService.class);
restrictionExpression = new WorkbenchWindowExpression(wbWindow);
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IContributionManager#update(boolean)
*/
public void update(boolean force) {
update(force, false);
}
public void update(boolean force, boolean hideTopTrim) {
// Remove any contributed trim
teardown();
// Process the additions for each 'area'
for (int i = 0; i < trimAreaURIs.length; i++) {
// IntroBar want to hide the top trim
if (hideTopTrim && swtSides[i] == SWT.TOP)
continue;
List contribs = menuService.getAdditionsForURI(new MenuLocationURI(trimAreaURIs[i]));
for (Iterator cacheIter = contribs.iterator(); cacheIter.hasNext();) {
AbstractContributionFactory cache = (AbstractContributionFactory) cacheIter.next();
ContributionRoot ciList = new ContributionRoot(menuService,
restrictionExpression, cache.getNamespace());
cache.createContributionItems(wbWindow, ciList);
// save the list for later cleanup of any visibility expressions that were added.
contributedLists.add(ciList);
for (Iterator ciIter = ciList.getItems().iterator(); ciIter.hasNext();) {
IContributionItem ci = (IContributionItem) ciIter.next();
if (ci instanceof ToolBarContributionItem) {
// HACK!! Fake this
ToolBarTrimProxy tbProxy = new ToolBarTrimProxy(ci.getId(), wbWindow);
tbProxy.dock(swtSides[i]);
// If we're adding to the 'command1' area then we're -before- the CoolBar
IWindowTrim insertBefore = null;
if (i == 0) {
insertBefore = layout.getTrim("org.eclipse.ui.internal.WorkbenchWindow.topBar"); //$NON-NLS-1$
}
layout.addTrim(swtSides[i], tbProxy, insertBefore);
contributedTrim.add(tbProxy);
}
}
}
}
}
private void teardown() {
// First, remove all trim
for (Iterator iter = contributedTrim.iterator(); iter.hasNext();) {
ToolBarTrimProxy proxy = (ToolBarTrimProxy) iter.next();
layout.removeTrim(proxy);
try {
proxy.dispose();
} catch (Throwable e) {
IStatus status = null;
if (e instanceof CoreException) {
status = ((CoreException) e).getStatus();
} else {
status = StatusUtil
.newStatus(
IStatus.ERROR,
"Internal plug-in widget delegate error on dispose.", e); //$NON-NLS-1$
}
StatusUtil
.handleStatus(
status,
"widget delegate failed on dispose: id = " + proxy.getId(), StatusManager.LOG); //$NON-NLS-1$
}
}
// Clear out the old list
contributedTrim.clear();
// clean up the list of ContributionLists
for (Iterator iter = contributedLists.iterator(); iter.hasNext();) {
ContributionRoot list = (ContributionRoot) iter.next();
list.release();
}
contributedLists.clear();
}
/**
*
*/
public void dispose() {
teardown();
}
/**
* @param knownIds
*/
public void updateLocations(List knownIds) {
// TODO Auto-generated method stub
}
}