/*******************************************************************************
* 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 java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.draw2d.IFigure;
import org.eclipse.gef.EditPart;
import org.eclipse.jst.pagedesigner.css2.ICSSStyle;
import org.eclipse.jst.pagedesigner.css2.layout.FlowPage;
import org.eclipse.wst.css.core.internal.event.ICSSStyleListener;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSSelector;
import org.eclipse.wst.html.core.internal.htmlcss.StyleListener;
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
*/
public class DocumentEditPart extends NodeEditPart implements StyleListener,
ICSSStyleListener {
boolean _refreshing = false;
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.editparts.AbstractEditPart#getModelChildren()
*/
protected List getModelChildren() {
List list = new ArrayList();
Node model = (Node) getModel();
if (model == null) {
return list;
}
NodeList children1 = model.getChildNodes();
for (int i = 0, n = children1.getLength(); i < n; i++) {
Node node = children1.item(i);
if (node.getNodeType() != Node.TEXT_NODE
&& node.getNodeType() != Node.ELEMENT_NODE) {
continue;
}
list.add(node);
}
return list;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#createFigure()
*/
protected IFigure createFigure() {
FlowPage f = new FlowPage();
return f;
}
/*
* (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) {
refresh();
}
/**
* @param recursive
*/
public void refresh(final boolean recursive)
{
if (!recursive)
{
refresh();
}
else
{
refreshVisuals();
refreshChildren(recursive);
refreshSourceConnections();
refreshTargetConnections();
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#refresh()
*/
public void refresh() {
if (_refreshing) {
return;
}
_refreshing = true;
try {
super.refresh();
} finally {
_refreshing = false;
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.editparts.AbstractEditPart#refreshChildren()
*/
protected void refreshChildren() {
refreshChildren(false);
}
/**
* @param recursive
*/
protected void refreshChildren(final boolean recursive)
{
super.refreshChildren();
List children1 = getChildren();
for (int i = 0, size = children1.size(); i < size; i++)
{
final EditPart editPart = (EditPart) children1.get(i);
if (editPart instanceof ElementEditPart)
{
((ElementEditPart)editPart).refresh(recursive);
}
else
{
editPart.refresh();
}
}
}
// protected void removeChildVisual(EditPart childEditPart)
// {
// if (childEditPart instanceof SubNodeEditPart)
// {
// Node node = ((SubNodeEditPart) childEditPart).getNodeForFigure();
// if (node != null)
// {
// getDestDocumentForDesign().removeChild(node);
// }
// }
// super.removeChildVisual(childEditPart);
// }
//
// protected void addChildVisual(EditPart childEditPart, int index)
// {
// if (childEditPart instanceof SubNodeEditPart)
// {
// Node node = ((SubNodeEditPart) childEditPart).getNodeForFigure();
// if (node != null)
// {
// NodeList nodeList = getDestDocumentForDesign().getChildNodes();
// if (nodeList.getLength() > index)
// {
// getDestDocumentForDesign().insertBefore(node, nodeList.item(index));
// }
// else
// {
// getDestDocumentForDesign().appendChild(node);
// }
// }
// }
// super.addChildVisual(childEditPart, index);
// }
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.html.core.internal.htmlcss.StyleListener#styleChanged()
*/
public void styleChanged() {
// refresh the whole document when style change (<style> or <link>)
this.refreshStyle();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.css.core.internal.event.ICSSStyleListener#styleChanged(org.eclipse.wst.css.core.internal.provisional.document.ICSSModel,
* org.eclipse.wst.css.core.document.ICSSSelector[],
* org.eclipse.wst.css.core.document.ICSSSelector[], java.lang.String)
*/
public void styleChanged(ICSSModel srcModel, ICSSSelector[] removed,
ICSSSelector[] added, String media) {
if ((removed != null && removed.length > 0) || added != null
&& added.length > 0) {
this.refreshStyle();
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.css.core.internal.event.ICSSStyleListener#styleUpdate(org.eclipse.wst.css.core.internal.provisional.document.ICSSModel)
*/
public void styleUpdate(ICSSModel srcModel) {
this.refreshStyle();
}
/**
*
*/
private void refreshStyle() {
List childParts = this.getChildren();
for (Iterator iter = childParts.iterator(); iter.hasNext();) {
EditPart part = (EditPart) iter.next();
if (part instanceof ElementEditPart) {
IDOMNode node = (IDOMNode) ((ElementEditPart) part)
.getNodeForFigure();
if (node != null) {
refreshChildStyles(node);
}
}
}
getFigure().revalidate();
// getFigure().repaint();
}
/**
* @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();
}
}
}
}