/*
* 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 java.util.Date;
import org.itsnat.core.ItsNatDocument;
import org.itsnat.core.domutil.ElementGroupManager;
import org.itsnat.core.domutil.ElementList;
import org.itsnat.core.event.CustomParamTransport;
import org.itsnat.core.event.ItsNatEvent;
import org.itsnat.core.event.ParamTransport;
import org.itsnat.core.http.ItsNatHttpSession;
import org.itsnat.feashow.FeatureTreeNode;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
import org.w3c.dom.events.Event;
import org.w3c.dom.events.EventListener;
import org.w3c.dom.events.EventTarget;
public class SVGInHTMLMimeASVTreeNode extends FeatureTreeNode implements EventListener
{
protected Element svgElem;
protected ElementList circleList;
protected Element selectedCircle;
protected Element textElem;
protected Element addCircleElem;
protected Element removeCircleElem;
protected Element biggerCircleElem;
protected Element smallerCircleElem;
public SVGInHTMLMimeASVTreeNode()
{
}
public void startExamplePanel()
{
ItsNatDocument itsNatDoc = getItsNatDocument();
Document doc = itsNatDoc.getDocument();
ItsNatHttpSession session = (ItsNatHttpSession)itsNatDoc.getClientDocumentOwner().getItsNatSession();
if (itsNatDoc.isLoading() &&
itsNatDoc.getItsNatDocumentTemplate().isFastLoadMode() &&
session.getUserAgent().indexOf("MSIE") != -1)
{
// Removing <!DOCTYPE> sets Internet Explorer in Quirks Mode.
// Quirks mode is mandatory with SVG inline and ASV
DocumentType docType = doc.getDoctype();
doc.removeChild(docType);
}
this.svgElem = doc.getElementById("svgId");
ParamTransport[] params = new ParamTransport[]
{ new CustomParamTransport("offsetX","event.getNativeEvent().offsetX"),
new CustomParamTransport("offsetY","event.getNativeEvent().offsetY") };
itsNatDoc.addEventListener(((EventTarget)svgElem),"click",this,false,params);
ElementGroupManager egm = itsNatDoc.getElementGroupManager();
Element circleListElem = doc.getElementById("circleListId");
this.circleList = egm.createElementList(circleListElem,false);
this.textElem = doc.getElementById("textId");
((Text)textElem.getFirstChild()).setData(new Date().toString());
this.addCircleElem = doc.getElementById("addCircleId");
((EventTarget)addCircleElem).addEventListener("click",this,false);
this.removeCircleElem = doc.getElementById("removeCircleId");
((EventTarget)removeCircleElem).addEventListener("click",this,false);
this.biggerCircleElem = doc.getElementById("biggerCircleId");
((EventTarget)biggerCircleElem).addEventListener("click",this,false);
this.smallerCircleElem = doc.getElementById("smallerCircleId");
((EventTarget)smallerCircleElem).addEventListener("click",this,false);
}
public void endExamplePanel()
{
((EventTarget)svgElem).removeEventListener("click",this,false);
this.svgElem = null;
this.circleList = null;
this.selectedCircle = null;
((EventTarget)addCircleElem).removeEventListener("click",this,false);
this.addCircleElem = null;
((EventTarget)removeCircleElem).removeEventListener("click",this,false);
this.removeCircleElem = null;
((EventTarget)biggerCircleElem).removeEventListener("click",this,false);
this.biggerCircleElem = null;
((EventTarget)smallerCircleElem).removeEventListener("click",this,false);
this.smallerCircleElem = null;
}
public void handleEvent(Event evt)
{
EventTarget target = evt.getTarget();
if (target == svgElem) // MSIE or outside of circles
{
ItsNatEvent itsNatEvt = (ItsNatEvent)evt;
if ("undefined".equals(itsNatEvt.getExtraParam("offsetX")))
return; // Not MSIE and outside of circles
String offsetXStr = (String)itsNatEvt.getExtraParam("offsetX");
int x = Integer.parseInt(offsetXStr);
String offsetYStr = (String)itsNatEvt.getExtraParam("offsetY");
int y = Integer.parseInt(offsetYStr);
log("Clicked: " + x + "," + y);
for(int i = circleList.getLength() - 1; i >= 0; i--)
{
// The last circle has a greater SVG "z-index"
Element circleElem = circleList.getElementAt(i);
if (clickedCircle(x,y,circleElem))
{
selectCircle(circleElem);
break;
}
}
}
else if ("circle".equals(((Node)target).getLocalName())) // Not MSIE
{
selectCircle((Element)target);
}
else if (target == addCircleElem)
{
Element lastElem = circleList.getLastElement();
if (lastElem == null)
{
circleList.addElement(); // Will based on the pattern
}
else
{
Element newCircle = circleList.addElement();
int cx = Integer.parseInt(lastElem.getAttribute("cx"));
cx += 100;
newCircle.setAttribute("cx",Integer.toString(cx));
}
}
else if (target == removeCircleElem)
{
if (!circleList.isEmpty())
{
Element circle = circleList.removeElementAt(circleList.getLength() - 1);
if (selectedCircle == circle) this.selectedCircle = null;
}
}
else if ((target == biggerCircleElem)||
(target == smallerCircleElem))
{
if (selectedCircle != null)
{
boolean bigger = (target == biggerCircleElem);
int r = Integer.parseInt(selectedCircle.getAttribute("r"));
if (bigger) r += 20;
else { r -= 20; if (r < 0) r = 10; }
selectedCircle.setAttribute("r",Integer.toString(r));
}
else
{
ItsNatDocument itsNatDoc = getItsNatDocument();
itsNatDoc.addCodeToSend("alert('Select a circle');");
}
}
((Text)textElem.getFirstChild()).setData(new Date().toString());
}
public void selectCircle(Element circleElem)
{
if (selectedCircle != null)
selectedCircle.setAttribute("fill","#FF0000");
if (circleElem != null)
circleElem.setAttribute("fill","#00FF00");
this.selectedCircle = circleElem;
}
public boolean clickedCircle(int x,int y,Element circle)
{
int xc = Integer.parseInt(circle.getAttribute("cx"));
int yc = Integer.parseInt(circle.getAttribute("cy"));
int r = Integer.parseInt(circle.getAttribute("r"));
return (xc - r <= x)&&(x <= xc + r)&&(yc - r <= y)&&(y <= yc + r);
}
}