beremiz

fix Traceback if search icon on library panel is clicked, when no
category/item is selected in the library.

The problem is here, that if nothing is selected method GetSelection()
returns root item, that doesn't have any python data associated with it.
This issue seems to be wx3.0 specified, because it doesn't exist
with wx2.8 on Windows.
// 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);
}
);