Rails spinoffs - Jan 2007 - Triggering Autocompleter by button

Hi!

I got a Autocompleter on my page and its working fine. For mouse-users
I need a button which triggers the Autocomplete. I tried a
this.getUpdatedChoices(); and it starts a request, but it doesn''t seem
to handle the response.

----------------------------------------------
Ajax.TriggerableAutocompleter = Class.create();
Object.extend(Object.extend(Ajax.TriggerableAutocompleter.prototype,
Ajax.Autocompleter.prototype), {
      initialize: function(element, update, url, options) {
        this.baseInitialize(element, update, options);
        this.options.asynchronous  = true;
        this.options.onComplete    = this.onComplete.bind(this);
        this.options.defaultParams = this.options.parameters || null;
        this.url                   = url;
        this.cache                 = {};
        if(this.options.trigger) {
          Event.observe($(this.options.trigger), "click",
this.onTriggerClick.bindAsEventListener(this));
        };
      },

      onTriggerClick: function() {
        this.element.value = "%";
        this.getUpdatedChoices();
      },
});
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