InsertNodeAction.java

/*******************************************************************************
 *  Copyright (c) 2012 VMware, Inc.
 *  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:
 *      VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.config.ui.actions;

import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.wst.sse.ui.internal.StructuredTextViewer;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.springframework.ide.eclipse.config.core.contentassist.SpringConfigContentAssistProcessor;
import org.w3c.dom.Document;


/**
 * @author Leo Dos Santos
 * @author Christian Dupuis
 */
@SuppressWarnings("restriction")
public class InsertNodeAction extends TreeViewerNodeAction {

	private final StructuredTextViewer textView;

	private final String childName;

	public InsertNodeAction(TreeViewer treeViewer, SpringConfigContentAssistProcessor processor,
			StructuredTextViewer textView, String childName) {
		super(treeViewer, processor);
		this.textView = textView;
		this.childName = childName;
		setText(Messages.getString("InsertNodeAction.INSERT_ELEMENT_PREFIX") + childName + Messages.getString("InsertNodeAction.INSERT_ELEMENT_SUFFIX")); //$NON-NLS-1$ //$NON-NLS-2$
	}

	@Override
	public void run() {
		super.run();
		IDOMElement selection = getElementFromTreeItem(getSelectedTreeItem());
		if (textView != null && selection != null) {
			IDOMModel model = selection.getModel();
			Document doc = null;
			if (selection instanceof Document) {
				doc = (Document) selection;
			}
			else if (selection.getOwnerDocument() != null) {
				doc = selection.getOwnerDocument();
			}

			if (model != null && doc != null) {
				model.beginRecording(textView);
				IDOMElement child = (IDOMElement) doc.createElement(childName);
				selection.appendChild(child);
				processor.insertDefaultAttributes(child);
				formatter.formatNode(child);
				formatter.formatNode(child.getParentNode());
				model.endRecording(textView);
				if (treeViewer != null) {
					treeViewer.setSelection(new StructuredSelection(child));
				}
			}
		}
	}

}