/*******************************************************************************
* Copyright (c) 2001, 2009 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
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.actions;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.eclipse.wst.xml.ui.internal.XMLUIPlugin;
import org.eclipse.wst.xml.ui.internal.dialogs.EditElementDialog;
import org.eclipse.wst.xml.ui.internal.editor.XMLEditorPluginImageHelper;
import org.eclipse.wst.xml.ui.internal.editor.XMLEditorPluginImages;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class EditElementAction extends NodeAction {
protected static ImageDescriptor imageDescriptor;
public static ImageDescriptor createImageDescriptor() {
if (imageDescriptor == null) {
imageDescriptor = XMLEditorPluginImageHelper.getInstance().getImageDescriptor(XMLEditorPluginImages.IMG_OBJ_ELEMENT);
}
return imageDescriptor;
}
protected Element element;
protected int insertionIndex = -1;
protected AbstractNodeActionManager manager;
protected Node parent;
protected String title;
public EditElementAction(AbstractNodeActionManager manager, Element element, String actionLabel, String dialogTitle) {
this(manager, element.getParentNode(), -1, element, actionLabel, dialogTitle);
}
protected EditElementAction(AbstractNodeActionManager manager, Node parent, int index, Element element, String actionLabel, String title) {
this.manager = manager;
this.parent = parent;
this.insertionIndex = index;
this.element = element;
this.title = title;
setText(actionLabel);
if (element == null) {
setImageDescriptor(createImageDescriptor());
}
}
public EditElementAction(AbstractNodeActionManager manager, Node parent, int index, String actionLabel, String title) {
this(manager, parent, index, null, actionLabel, title);
}
public String getUndoDescription() {
return title;
}
public void run() {
Shell shell = XMLUIPlugin.getInstance().getWorkbench().getActiveWorkbenchWindow().getShell();
if (validateEdit(manager.getModel(), shell)) {
manager.beginNodeAction(this);
EditElementDialog dialog = new EditElementDialog(shell, element);
dialog.create();
dialog.getShell().setText(title);
dialog.setBlockOnOpen(true);
dialog.open();
if (dialog.getReturnCode() == Window.OK) {
Document document = parent.getNodeType() == Node.DOCUMENT_NODE ? (Document) parent : parent.getOwnerDocument();
if (element != null) {
// here we need to do a rename... which seems to be quite hard
// to do :-(
if (element instanceof IDOMElement) {
IDOMElement elementImpl = (IDOMElement) element;
IDOMModel model = elementImpl.getModel();
String oldName = elementImpl.getNodeName();
String newName = dialog.getElementName();
setStructuredDocumentRegionElementName(model, elementImpl.getStartStructuredDocumentRegion(), oldName, newName);
setStructuredDocumentRegionElementName(model, elementImpl.getEndStructuredDocumentRegion(), oldName, newName);
}
}
else {
Element newElement = document.createElement(dialog.getElementName());
NodeList nodeList = parent.getChildNodes();
int nodeListLength = nodeList.getLength();
Node refChild = (insertionIndex < nodeListLength) && (insertionIndex >= 0) ? nodeList.item(insertionIndex) : null;
parent.insertBefore(newElement, refChild);
manager.reformat(newElement, false);
manager.setViewerSelection(newElement);
}
}
manager.endNodeAction(this);
}
}
protected void setStructuredDocumentRegionElementName(IDOMModel model, IStructuredDocumentRegion flatNode, String oldName, String newName) {
if (flatNode != null) {
String string = flatNode.getText();
int index = string.indexOf(oldName);
if (index != -1) {
index += flatNode.getStart();
model.getStructuredDocument().replaceText(this, index, oldName.length(), newName);
}
}
}
}