/*
* This file is not part of the ItsNat framework.
*
* Original source code use and closed source derivatives are authorized
* to third parties with no restriction or fee.
* The original source code is owned by the author.
*
* This program is distributed AS IS in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* (C) Innowhere Software a service of Jose Maria Arranz Santamaria, Spanish citizen.
*/
package org.itsnat.feashow.features.core.otherns;
import org.itsnat.core.ItsNatDocument;
import org.itsnat.core.ItsNatServlet;
import org.itsnat.core.domutil.ElementGroupManager;
import org.itsnat.core.domutil.ElementList;
import org.itsnat.core.domutil.ItsNatTreeWalker;
import org.itsnat.core.event.ItsNatEvent;
import org.itsnat.core.tmpl.ItsNatHTMLDocFragmentTemplate;
import org.itsnat.feashow.FeatureTreeNode;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.Element;
import org.w3c.dom.events.Event;
import org.w3c.dom.events.EventListener;
import org.w3c.dom.events.EventTarget;
import org.w3c.dom.html.HTMLDocument;
import org.w3c.dom.html.HTMLHeadElement;
import org.w3c.dom.html.HTMLStyleElement;
public class SVGInHTMLMimeTreeNode extends FeatureTreeNode implements EventListener
{
protected Element buttonChangeColor;
protected Element buttonBigger;
protected Element buttonAdd;
protected Element buttonRemove;
protected Element circleElem;
protected ElementList circleList;
protected HTMLStyleElement styleElem;
public SVGInHTMLMimeTreeNode()
{
}
public void startExamplePanel()
{
ItsNatDocument itsNatDoc = getItsNatDocument();
HTMLDocument doc = (HTMLDocument)itsNatDoc.getDocument();
ItsNatServlet servlet = itsNatDoc.getItsNatDocumentTemplate().getItsNatServlet();
ItsNatHTMLDocFragmentTemplate docFragTemplate =
(ItsNatHTMLDocFragmentTemplate)servlet.getItsNatDocFragmentTemplate("feashow.core.otherns.svgInHTMLMime.ex");
DocumentFragment headFrag = docFragTemplate.loadDocumentFragmentHead(itsNatDoc);
this.styleElem = (HTMLStyleElement)ItsNatTreeWalker.getFirstChildElement(headFrag);
HTMLHeadElement headElem =
(HTMLHeadElement)ItsNatTreeWalker.getFirstChildElement(doc.getDocumentElement());
headElem.appendChild(styleElem);
Element listParentElem = doc.getElementById("circleListId");
ElementGroupManager factory = itsNatDoc.getElementGroupManager();
this.circleList = factory.createElementList(listParentElem,true);
this.buttonChangeColor = doc.getElementById("changeColorId");
((EventTarget)buttonChangeColor).addEventListener("click",this,false);
this.buttonBigger = doc.getElementById("biggerCircleId");
((EventTarget)buttonBigger).addEventListener("click",this,false);
this.buttonAdd = doc.getElementById("addCircleId");
((EventTarget)buttonAdd).addEventListener("click",this,false);
this.buttonRemove = doc.getElementById("removeCircleId");
((EventTarget)buttonRemove).addEventListener("click",this,false);
this.circleElem = doc.getElementById("circleId");
((EventTarget)circleElem).addEventListener("click",this,false);
}
public void endExamplePanel()
{
ItsNatDocument itsNatDoc = getItsNatDocument();
HTMLDocument doc = (HTMLDocument)itsNatDoc.getDocument();
doc.getBody().removeAttribute("class");
styleElem.getParentNode().removeChild(styleElem);
this.styleElem = null;
this.circleList = null;
((EventTarget)buttonChangeColor).removeEventListener("click",this,false);
this.buttonChangeColor = null;
((EventTarget)buttonBigger).removeEventListener("click",this,false);
this.buttonBigger = null;
((EventTarget)buttonAdd).removeEventListener("click",this,false);
this.buttonAdd = null;
((EventTarget)buttonRemove).removeEventListener("click",this,false);
this.buttonRemove = null;
((EventTarget)circleElem).removeEventListener("click",this,false);
this.circleElem = null;
}
public void handleEvent(Event evt)
{
ItsNatEvent itsNatEvt = (ItsNatEvent)evt;
Document doc = itsNatEvt.getItsNatDocument().getDocument();
EventTarget currTarget = evt.getCurrentTarget();
if (currTarget == buttonChangeColor)
{
((HTMLDocument)doc).getBody().setAttribute("class","invalid");
}
else if (currTarget == buttonBigger)
{
int radio = Integer.parseInt(circleElem.getAttribute("r"));
radio += 20;
circleElem.setAttribute("r",Integer.toString(radio));
}
else if (currTarget == buttonAdd)
{
Element circleElem = circleList.addElement();
int len = circleList.getLength();
if (len > 1)
{
Element prevCircle = circleList.getElementAt(len - 2);
int cx = Integer.parseInt(prevCircle.getAttribute("cx"));
cx += 70;
circleElem.setAttribute("cx",Integer.toString(cx));
}
}
else if (currTarget == buttonRemove)
{
int len = circleList.getLength();
if (len > 0)
circleList.removeElementAt(len - 1);
}
else if (currTarget == circleElem)
{
circleElem.setAttribute("fill","red");
}
}
}