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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.actions.menuextension;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jst.pagedesigner.extensionpoint.IContextMenuItemContributor;
import org.eclipse.jst.pagedesigner.utils.JSPUtil;
import org.eclipse.jst.pagedesigner.utils.StructuredModelUtil;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.actions.ActionGroup;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
/**
* @author mengbo
* @version 1.5
*/
public class CustomedContextMenuActionGroup extends ActionGroup {
private final static String POPUPMENU_EXTENSION_ID = "org.eclipse.jst.pagedesigner.popupMenuContributor"; //$NON-NLS-1$
private List _contributedMenuListener;
private Control _parentControl;
private IStructuredModel _model;
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.actions.ActionGroup#fillContextMenu(org.eclipse.jface.action.IMenuManager)
*/
public void fillContextMenu(IMenuManager menu) {
populateContributedMenu(menu);
}
private List getListeners() {
if (_contributedMenuListener == null) {
_contributedMenuListener = computeContributedMenuListener();
}
return _contributedMenuListener;
}
private List computeContributedMenuListener() {
IExtensionRegistry registry = Platform.getExtensionRegistry();
IExtensionPoint extensionPoint = registry
.getExtensionPoint(POPUPMENU_EXTENSION_ID);
IExtension[] extensions = extensionPoint.getExtensions();
List results = new ArrayList();
for (int i = 0; i < extensions.length; i++) {
IConfigurationElement[] elements = extensions[i]
.getConfigurationElements();
for (int j = 0; j < elements.length; j++) {
try {
Object listener = elements[j]
.createExecutableExtension("class");//$NON-NLS-1$
if (listener instanceof IContextMenuItemContributor) {
results.add(listener);
((IContextMenuItemContributor) listener)
.setURI(elements[j].getAttribute("URI"));//$NON-NLS-1$
}
} catch (CoreException e) {
// ignore
}
}
}
return results;
}
private void populateContributedMenu(IMenuManager menuMgr) {
List list = getListeners();
for (int i = 0, n = list.size(); i < n; i++) {
IContextMenuItemContributor contributor = (IContextMenuItemContributor) list
.get(i);
IFile file = StructuredModelUtil.getFileFor(_model);
if (file != null && contributor.getURI() != null) {
if (JSPUtil.supportTaglib(contributor.getURI(), file)) {
contributor.fillContextMenu(menuMgr, getContext()
.getSelection(), _model, _parentControl);
}
}
}
}
/**
* @return Returns the model.
*/
public IStructuredModel getModel() {
return _model;
}
/**
* @param model
* The model to set.
*/
public void setModel(IStructuredModel model) {
this._model = model;
}
/**
* @return Returns the parentControl.
*/
public Control getParentControl() {
return _parentControl;
}
/**
* @param parentControl
* The parentControl to set.
*/
public void setParentControl(Control parentControl) {
this._parentControl = parentControl;
}
}
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