I am new to jQuery and an intermediate JS developer (I usually see how
things work but don't always understand why). I encountered a
probable bug with the droppable 'accept' option.
The API provides the following details for getting/setting the option:
---CUT--
Initialize a droppable with the accept option specified.
$('.selector').droppable({ accept: '.special' });
Get or set the accept option, after init.
//getter
var accept = $('.selector').droppable('option', 'accept');
//setter
$('.selector').droppable('option', 'accept', '.special');
--CUT--
The accept option works properly as a configuration option as
demonstrated in the UI dropppable example Accepted-elements (http://
jqueryui.com/demos/droppable/#accepted-elements).
$("#droppable").droppable({
accept: '#draggable',
activeClass: 'ui-state-hover',
hoverClass: 'ui-state-active',
drop: function(event, ui) {
$(this).addClass('ui-state-highlight').find('p').html('Dropped!');
}
});
But if I attempt to set it after initialization, like below, it
fails. I tested all of the available options and this is the only one
that fails.
$("#droppable")
.droppable('option', 'accept', '.special')
.droppable('option', 'activeClass', '.ui-state-highlight')
.droppable('option', 'addClasses', false)
.droppable('option', 'greedy', true)
.droppable('option', 'hoverClass', 'drophover')
.droppable('option', 'scope', 'tasks')
.droppable('option', 'tolerance', 'fit');
I poked around and discovered that when it is initialized the option
is set as a string option (accept='.special'). After I call the
setter function it is no longer a string but is now a function and get
an error on line 54 of ui.droppable.js - accept is not defined.
50 _setData: function(key, value) {
51
52 if(key == 'accept') {
53 this.options.accept = value && $.isFunction(value) ? value :
function(d) {
54 return d.is(accept); // error - accept is not defined
55 };
56 } else {
57 $.widget.prototype._setData.apply(this, arguments);
58 }
59
60 },
I can open a ticket for this if you would like. But I am also curious
of what is going on. I have been poking around for a while and not
sure what it is. Be patient with me as I continue to learn JS.
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