| /******************************************************************************* |
| * 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.parts; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.jst.pagedesigner.css2.ICSSStyle; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class Refresher implements INodeAdapter { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.sse.core.internal.provisional.INodeAdapter#isAdapterForType(java.lang.Object) |
| */ |
| public boolean isAdapterForType(Object type) { |
| return (type == Refresher.class); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.sse.core.internal.provisional.INodeAdapter#notifyChanged(org.eclipse.wst.sse.core.internal.provisional.INodeNotifier, |
| * int, java.lang.Object, java.lang.Object, java.lang.Object, int) |
| */ |
| public void notifyChanged(INodeNotifier notifier, int eventType, |
| Object changedFeature, Object oldValue, Object newValue, int pos) { |
| if (eventType == INodeNotifier.ADD || eventType == INodeNotifier.REMOVE) { |
| // for ADD and REMOVE, system will fire CHANGE event, so we ignore |
| // the ADD/REMOVE |
| // event here. |
| return; |
| } |
| if (notifier instanceof IDOMNode) { |
| IDOMNode node = (IDOMNode) notifier; |
| // we need to refresh all CSS style adapter of node and its |
| // children. |
| EditPart part = (EditPart) node.getAdapterFor(EditPart.class); |
| if (part instanceof SubNodeEditPart) { |
| Node nodeForFigure = ((SubNodeEditPart) part) |
| .getNodeForFigure(); |
| if (nodeForFigure instanceof IDOMNode) { |
| refreshChildStyles((IDOMNode) nodeForFigure); |
| } |
| } |
| |
| // we need also find the nearest parent node that has editpart, and |
| // refresh it. |
| refreshContainingPart(node, |
| eventType == INodeNotifier.STRUCTURE_CHANGED); |
| |
| part = (EditPart) node.getAdapterFor(EditPart.class); |
| if (part != null) { |
| ((IHTMLGraphicalViewer) part.getViewer()).clearSelectionRange(); |
| } |
| } |
| } |
| |
| /** |
| * @param node |
| */ |
| private void refreshContainingPart(IDOMNode node, boolean recursive) { |
| if (node.getOwnerDocument() == node) { |
| EditPart part = (EditPart) node.getAdapterFor(EditPart.class); |
| if (part != null) { |
| part.refresh(); |
| } |
| } else { |
| while (node != null) { |
| EditPart part = (EditPart) node.getAdapterFor(EditPart.class); |
| if (part != null) { |
| if (part instanceof ElementEditPart) { |
| ((ElementEditPart) part).refreshModelChange(recursive); |
| } else { |
| part.refresh(); |
| } |
| return; |
| } |
| node = (IDOMNode) node.getParentNode(); |
| } |
| } |
| } |
| |
| /** |
| * @param node |
| */ |
| private void refreshChildStyles(IDOMNode node) { |
| NodeList childNodes = node.getChildNodes(); |
| for (int i = 0, size = childNodes.getLength(); i < size; i++) { |
| refreshChildStyles((IDOMNode) childNodes.item(i)); |
| } |
| if (node instanceof IDOMElement) { |
| // only refresh style on element. |
| ICSSStyle a = (ICSSStyle) node.getAdapterFor(ICSSStyle.class); |
| if (a != null) { |
| a.reset(); |
| } |
| } |
| } |
| } |