SelectMultiple returns incorrect value in afterChange when numberOfCheckedBoxes == 0
Reported by JamLegend | February 24th, 2009 @ 06:29 PM | in 1.0
When numberofCheckedBoxes == 0, the value passed to afterChange is still the value of the last checked box, rather than empty, since no boxes are checked.
Patched function:
checkboxOnClick: function(checkbox){
this.numberOfCheckedBoxes += (checkbox.checked) ? 1 : -1;
this.scanCheckBoxes();
this.notify('afterChange',this.numberOfCheckedBoxes == 0 ? "" : this.select.options[this.select.options.selectedIndex].value);
},
Comments and changes to this ticket
-
Nathan L Smith May 19th, 2009 @ 08:18 PM
- State changed from “unconfirmed” to “confirmed”
-
Nathan L Smith May 24th, 2009 @ 11:28 AM
- State changed from “confirmed” to “resolved”
This method had another problem, as setting the value of a checkbox programtically (c.checked = true), will not fire a click event and (in|de)crement the value.
numberOfCheckedBoxes now uses findAll to find the actual number of boxes checked and notifies with an empty string if none are checked.
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High quality widgets and controls for web 2.0 applications built using the Prototype JavaScript Framework. Each control is well tested, highly extensible, fully documented and degrades gracefully for non JavaScript enabled browsers where possible. MIT licensed and actively maintained.
Nathan L Smith