ajax-chosen.js
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// Generated by CoffeeScript 1.4.0
(function($) {
return $.fn.ajaxChosen = function(settings, callback, chosenOptions) {
var chosenXhr, defaultOptions, options, select;
if (settings == null) {
settings = {};
}
if (callback == null) {
callback = {};
}
if (chosenOptions == null) {
chosenOptions = function() {};
}
defaultOptions = {
minTermLength: 3,
afterTypeDelay: 500,
jsonTermKey: "term",
keepTypingMsg: "Keep typing...",
lookingForMsg: "Looking for"
};
select = this;
chosenXhr = null;
options = $.extend({}, defaultOptions, $(select).data(), settings);
this.chosen(chosenOptions ? chosenOptions : {});
return this.each(function() {
return $(this).next('.chzn-container').find(".search-field > input, .chzn-search > input").bind('keyup', function() {
var field, msg, success, untrimmed_val, val;
untrimmed_val = $(this).attr('value');
val = $.trim($(this).attr('value'));
msg = val.length < options.minTermLength ? options.keepTypingMsg : options.lookingForMsg + (" '" + val + "'");
select.next('.chzn-container').find('.no-results').text(msg);
if (val === $(this).data('prevVal')) {
return false;
}
$(this).data('prevVal', val);
if (this.timer) {
clearTimeout(this.timer);
}
if (val.length < options.minTermLength) {
return false;
}
field = $(this);
if (!(options.data != null)) {
options.data = {};
}
options.data[options.jsonTermKey] = val;
if (options.dataCallback != null) {
options.data = options.dataCallback(options.data);
}
success = options.success;
options.success = function(data) {
var items, nbItems, selected_values;
if (!(data != null)) {
return;
}
selected_values = [];
select.find('option').each(function() {
if (!$(this).is(":selected")) {
return $(this).remove();
} else {
return selected_values.push($(this).val() + "-" + $(this).text());
}
});
select.find('optgroup:empty').each(function() {
return $(this).remove();
});
items = callback(data);
nbItems = 0;
$.each(items, function(i, element) {
var group, text, value;
nbItems++;
if (element.group) {
group = select.find("optgroup[label='" + element.text + "']");
if (!group.size()) {
group = $("<optgroup />");
}
group.attr('label', element.text).appendTo(select);
return $.each(element.items, function(i, element) {
var text, value;
if (typeof element === "string") {
value = i;
text = element;
} else {
value = element.value;
text = element.text;
}
if ($.inArray(value + "-" + text, selected_values) === -1) {
return $("<option />").attr('value', value).html(text).appendTo(group);
}
});
} else {
if (typeof element === "string") {
value = i;
text = element;
} else {
value = element.value;
text = element.text;
}
if ($.inArray(value + "-" + text, selected_values) === -1) {
return $("<option />").attr('value', value).html(text).appendTo(select);
}
}
});
if (nbItems) {
select.trigger("liszt:updated");
} else {
select.data().chosen.no_results_clear();
select.data().chosen.no_results(field.attr('value'));
}
if (success != null) {
success(data);
}
return field.attr('value', untrimmed_val);
};
return this.timer = setTimeout(function() {
if (chosenXhr) {
chosenXhr.abort();
}
return chosenXhr = $.ajax(options);
}, options.afterTypeDelay);
});
});
};
})(jQuery);