/*******************************************************************************
* Copyright (c) 2010 Oracle 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:
* Oracle Corporation - initial API and implementation and/or initial documentation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.elementedit.html;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jst.pagedesigner.editors.PageDesignerActionConstants;
import org.eclipse.jst.pagedesigner.editpolicies.HeadItemCreationEditPolicy;
import org.eclipse.jst.pagedesigner.elementedit.AbstractElementEdit;
import org.eclipse.jst.pagedesigner.itemcreation.ItemCreationRequest;
import org.eclipse.jst.pagedesigner.parts.ElementEditPart;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
import org.w3c.dom.Element;
/**
* Simple ElementEdit implementation to support context menu insert
* actions and drag and drop of tags into the HTML head tag.
*/
public class HeadElementEdit extends AbstractElementEdit
{
private static final Action EMPTY_ACTION = new Action() {
// create a default instance that does nothing.
// Action is abstract but has no abstract methods
// run() on this object is a NOOP
};
/* (non-Javadoc)
* @see org.eclipse.jst.pagedesigner.elementedit.AbstractElementEdit#fillContextMenu(org.eclipse.jface.action.IMenuManager, org.w3c.dom.Element)
*/
@Override
public void fillContextMenu(IMenuManager contextMenu, Element ele) {
super.fillContextMenu(contextMenu, ele);
final IDOMElement element = (IDOMElement) ele;
IContributionItem item = contextMenu.find(PageDesignerActionConstants.INSERT_SUBMENU_ID);
if (item instanceof IMenuManager) {
final IMenuManager submenu = (IMenuManager) item;
submenu.add(EMPTY_ACTION);
submenu.addMenuListener(new IMenuListener() {
public void menuAboutToShow(IMenuManager manager) {
submenu.removeAll();
addHeadAddItems(submenu, element);
}
});
}
}
private void addHeadAddItems(IMenuManager submenu, IDOMElement element) {
submenu.add(new InsertStylesheetLinkAction(element));
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.elementedit.IElementEdit#createEditPolicies(org.eclipse.jst.pagedesigner.parts.ElementEditPart)
*/
@Override
public void createEditPolicies(ElementEditPart part) {
part.installEditPolicy(ItemCreationRequest.REQ_ITEM_CREATION,
new HeadItemCreationEditPolicy(part));
}
}