Hello all,
I have two SELECT drop down lists. After an option is selected from
the first list, Ajax.Updater is called and generates the second SELECT
drop down with the filtered results. I'm having issues trying to
attach a change event to the second dropdown (I'm assuming this is
because the DOM ID changes). My code looks like this:
// Attach load and unload events
Event.observe(window, 'load', initialize, false);
Event.observe(window, 'unload', Event.unloadCache, false);
var myclass = Class.create();
myclass.prototype = {
initialize: function() {
// Attach events here...
Event.observe('Field1ElementId', 'change',
this.filterField1,
false);
Event.observe('Field2ElementId', 'change',
this.filterField2,
false);
},
// Narrows down field2 choice based upon selected field1
filterField1: function() {
new Ajax.Updater('field1_div', '/providers/filter1', {
asynchronous: true,
evalScripts: true,
onLoading: function(request)
{Element.show('loading_div')},
onLoaded: function(request)
{Element.hide('loading_div')},
parameters:
Form.Element.serialize('Field1ElementId'),
requestHeaders:['X-Update', 'field1_div']
});
},
// This never
filterField2: function() {
new Ajax.Updater('field2_div', '/providers/filter2', {
asynchronous: true,
evalScripts: true,
requestHeaders:['X-Update', 'field2_div']
});
}
}
// Instantiate the phonetiq class
function initialize() {
test = new myclass();
}
I tried moving the "Event.observe('Field2ElementId', 'change',
this.filterField2, false);" line to the bottom of the filterField1
method, hoping that it would pick up the newly rendered second SELECT,
but still no joy.
In short, how do I go about attaching events to a dynamically created
DOM element.
Thanks,
Andrew
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