SVGHMI: Fix browser side exception when some widget are not used, and are then discarded and not present in final SVG. In that case JS code was still making reference to discarded widget elements and was raising exception at init.
// import Nevow.Athena
// import Divmod.Base
function updateAttr(id, param, value) {
Nevow.Athena.Widget.fromAthenaID(1).callRemote('HMIexec', 'setattr', id, param, value);
}
var svguiWidgets = new Array();
var currentObject = null;
function setCurrentObject(obj) {
currentObject = obj;
}
function isCurrentObject(obj) {
return currentObject == obj;
}
function getSVGElementById(id) {
return document.getElementById(id);
}
function blockSVGElementDrag(element) {
element.addEventListener("draggesture", function(event){event.stopPropagation()}, true);
}
LiveSVGPage.LiveSVGWidget = Nevow.Athena.Widget.subclass('LiveSVGPage.LiveSVGWidget');
LiveSVGPage.LiveSVGWidget.methods(
function handleEvent(self, evt) {
if (currentObject != null) {
currentObject.handleEvent(evt);
}
},
function receiveData(self, data){
dataReceived = json_parse(data);
gadget = svguiWidgets[dataReceived.id]
if (gadget) {
gadget.updateValues(json_parse(dataReceived.kwargs));
}
//console.log("OBJET : " + dataReceived.back_id + " STATE : " + newState);
},
function init(self, arg1){
//console.log("Object received : " + arg1);
for (ind in arg1) {
gad = json_parse(arg1[ind]);
args = json_parse(gad.kwargs);
gadget = new svguilib[gad.__class__](self, gad.id, args);
svguiWidgets[gadget.id]=gadget;
//console.log('GADGET :' + gadget);
}
var elements = document.getElementsByTagName("svg");
for (var i = 0; i < elements.length; i++) {
elements[i].addEventListener("mouseup", self, false);
}
//console.log("SVGUIWIDGETS : " + svguiWidgets);
}
);