/*
* 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.
*
* Author: Jose Maria Arranz Santamaria
* (C) Innowhere Software Services S.L., Spanish company
*/
package test.ioeasvg;
import java.io.Serializable;
import java.lang.reflect.Method;
import javax.servlet.http.HttpServletRequest;
import org.itsnat.core.ItsNatDocument;
import org.itsnat.core.ItsNatNode;
import org.itsnat.core.ItsNatServletRequest;
import org.itsnat.core.ItsNatServletResponse;
import org.itsnat.core.domutil.ItsNatTreeWalker;
import org.itsnat.core.event.ItsNatUserEvent;
import org.itsnat.core.event.NodePropertyTransport;
import org.itsnat.core.html.ItsNatHTMLDocument;
import org.itsnat.core.html.ItsNatHTMLEmbedElement;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.events.Event;
import org.w3c.dom.events.EventListener;
import org.w3c.dom.events.EventTarget;
import org.w3c.dom.html.HTMLButtonElement;
import org.w3c.dom.html.HTMLElement;
import org.w3c.dom.html.HTMLIFrameElement;
import org.w3c.dom.html.HTMLInputElement;
import org.w3c.dom.html.HTMLObjectElement;
import org.w3c.dom.html.HTMLParamElement;
import test.shared.Shared;
import test.shared.TestSerialization;
/**
*
* @author jmarranz
*/
public class TestSVGSavareseParentDocument implements EventListener,Serializable
{
protected ItsNatHTMLDocument itsNatDoc;
protected HTMLElement containerElem;
protected HTMLElement circleSelected;
protected HTMLInputElement inputRadio;
protected HTMLInputElement updateButton;
protected HTMLButtonElement reinsertButton;
protected Element changeURLElem;
/** Creates a new instance of TestIFrameObjEmbedSVGParentDocument */
public TestSVGSavareseParentDocument(ItsNatServletRequest request, ItsNatServletResponse response)
{
this.itsNatDoc = (ItsNatHTMLDocument)request.getItsNatDocument();
load(request,response);
}
public ItsNatDocument getItsNatDocument()
{
return itsNatDoc;
}
public void load(ItsNatServletRequest request, ItsNatServletResponse response)
{
ItsNatDocument itsNatDoc = getItsNatDocument();
itsNatDoc.setUserValue("parent_user_object_svg",this);
Document doc = itsNatDoc.getDocument();
this.containerElem = (HTMLElement)doc.getElementById("containerSVGId");
HttpServletRequest httpRequest = (HttpServletRequest)request.getServletRequest();
String url; // Relative URL
if (containerElem instanceof HTMLObjectElement)
url = containerElem.getAttribute("data");
else
url = containerElem.getAttribute("src");
url = httpRequest.getRequestURL().toString() + url + // Absolute
"#p=n,c=n"; // For communication parent/child (p=parent, c=child, n=no, y=yes pending update)
if (containerElem instanceof HTMLObjectElement)
{
containerElem.setAttribute("src",url);
Element paramSrc = ItsNatTreeWalker.getFirstChildElement(containerElem);
paramSrc.setAttribute("value",url); // <param name="src" value="?...">
containerElem.setAttribute("data",url); // DEBE DEFINIRSE EL ULTIMO para que funcione bien el autobinding
}
else containerElem.setAttribute("src",url);
this.circleSelected = (HTMLElement)doc.getElementById("circleSelectedId");
this.inputRadio = (HTMLInputElement)doc.getElementById("radioId");
itsNatDoc.addEventListener((EventTarget)inputRadio,"change",this,false,new NodePropertyTransport("value"));
this.updateButton = (HTMLInputElement)doc.getElementById("updateId");
((EventTarget)updateButton).addEventListener("click",this,false);
itsNatDoc.addUserEventListener(null,"update_svg",this);
this.reinsertButton = (HTMLButtonElement)doc.getElementById("reinsertId");
((EventTarget)reinsertButton).addEventListener("click",this,false);
this.changeURLElem = (HTMLButtonElement)doc.getElementById("changeURLId");
((EventTarget)changeURLElem).addEventListener("click",this,false);
Shared.setRemoteControlLink(request,response);
new TestSerialization(request);
}
public Element getCircleSelected()
{
return circleSelected;
}
public Element getInputRadio()
{
return inputRadio;
}
public void handleEvent(Event evt)
{
if (evt instanceof ItsNatUserEvent)
{
// Nothing specific to do, the client will
// be automatically updated as response of this event.
}
else if (evt.getCurrentTarget() == updateButton)
{
updateCircle();
}
else if (evt.getCurrentTarget() == reinsertButton)
{
reinsert();
}
else if (evt.getCurrentTarget() == changeURLElem)
{
changeURL();
}
}
public void updateCircle()
{
ItsNatDocument itsNatDoc = getItsNatDocument();
int newRadio = -1;
String valueStr = inputRadio.getAttribute("value");
try
{
newRadio = Integer.parseInt(valueStr);
}
catch(NumberFormatException ex)
{
itsNatDoc.addCodeToSend("alert('Not an integer number');");
return;
}
Document childDoc;
try
{
// NO FUNCIONA CON SAVARESE LA COMUNICACION PADRE/HIJO CON IFRAME
if (containerElem instanceof HTMLIFrameElement)
childDoc = ((HTMLIFrameElement)containerElem).getContentDocument();
else if (containerElem instanceof HTMLObjectElement)
childDoc = ((HTMLObjectElement)containerElem).getContentDocument();
else // ItsNatHTMLEmbedElement
childDoc = ((ItsNatHTMLEmbedElement)containerElem).getContentDocument();
}
catch(NoSuchMethodError ex)
{
// Cause: Xerces compatibility package of Tomcat 5.5
// misses this standard DOM method in HTMLIFrameElement and
// HTMLObjectElement interfaces
// Don't worry, our required method is there.
try
{
Method method = containerElem.getClass().getMethod("getContentDocument",(Class[])null); // El cast es para evitar un warnning en Java 1.5+
childDoc = (Document)method.invoke(containerElem,(Object[])null);
}
catch(Exception ex2) { throw new RuntimeException(ex2); }
}
ItsNatDocument childItsNatDoc = ((ItsNatNode)childDoc).getItsNatDocument(); // This method is multithread
if (childItsNatDoc == null)
{
itsNatDoc.addCodeToSend("alert('Not loaded yet');");
return;
}
synchronized(childItsNatDoc) // NEEDED!!!
{
TestSVGBoundSavareseDocument childUserDoc =
(TestSVGBoundSavareseDocument)childItsNatDoc.getUserValue("user_object_svg");
Element circle = childUserDoc.getSelectedCircle();
if (circle == null)
{
itsNatDoc.addCodeToSend("alert('No selected circle');");
return;
}
circle.setAttribute("r",Integer.toString(newRadio));
// Notify child document of containerElem
String ref = itsNatDoc.getScriptUtil().getNodeReference(containerElem);
StringBuilder code = new StringBuilder();
code.append("var elem = " + ref + ";");
code.append("var url = elem.LocationURL;");
code.append("if (url)");
code.append("{");
code.append(" var pos = url.indexOf('#');"); // #p=n,c=n
code.append(" url = url.substring(0,pos + 7) + 'y' + url.substring(pos + 7);");
code.append(" elem.Navigate(url);");
code.append("}");
itsNatDoc.addCodeToSend(code.toString());
}
}
public void reinsert()
{
HTMLElement newContainer = (HTMLElement)containerElem.cloneNode(true);
Node parent = containerElem.getParentNode();
parent.insertBefore(newContainer,containerElem);
parent.removeChild(containerElem);
this.containerElem = newContainer;
}
public void changeURL()
{
String url = getURL();
setURL("foo"); // Carga err�nea para que el atributo cambie
setURL(url); // Restauramos
}
public String getURL()
{
if (containerElem instanceof HTMLObjectElement)
return ((HTMLObjectElement)containerElem).getData();
else
return ((ItsNatHTMLEmbedElement)containerElem).getAttribute("src");
}
public void setURL(String url)
{
if (containerElem instanceof HTMLObjectElement)
{
// <param name="src" value="url" />
HTMLParamElement param = (HTMLParamElement)ItsNatTreeWalker.getFirstChildElement((HTMLObjectElement)containerElem);
((HTMLObjectElement)containerElem).setAttribute("src",url);
param.setValue(url); // <param name="src" value="url" />
((HTMLObjectElement)containerElem).setData(url);
}
else
{
((ItsNatHTMLEmbedElement)containerElem).setAttribute("src",url); // No funciona en MSIE
}
}
}