{:uriI"file:///Users/sean/dev/subdivision_select/app/assets/javascripts/subdivision_select.js?type=application/javascript&pipeline=self&id=d7e1794331e2f28f173218ab9c53dac5e2b55060887d24da2bae19210b6efbea:ET:load_pathI">/Users/sean/dev/subdivision_select/app/assets/javascripts;F:
filenameI"T/Users/sean/dev/subdivision_select/app/assets/javascripts/subdivision_select.js;T: nameI"subdivision_select;T:logical_pathI" subdivision_select.self.js;T:content_typeI"application/javascript;T: sourceI"7 var SubdivisionSelect = (function() {
SubdivisionSelect.subdivisionSelector = "select[data-subdivision-selector]";
SubdivisionSelect.countrySelector = "select[id$=country]";
function SubdivisionSelect(element) {
this._countrySelect = element;
this._subdivisionSelect = $(element).
closest("form").
find(SubdivisionSelect.subdivisionSelector);
};
SubdivisionSelect.init = function () {
var klass = this;
return $(klass.countrySelector).each(function() {
return new klass(this).init();
});
};
SubdivisionSelect.prototype.init = function() {
var self = this;
self._enabledInputsBeforeSubmit();
$(this._countrySelect).change(function() {
$.ajax( {
url: "/subdivisions",
data: { country_code: $(this).val() }
}).success(function(newSubdivisions) {
self._clearSubdivisionSelect();
self._updateSubdivisionSelect(newSubdivisions);
});
});
};
SubdivisionSelect.prototype._updateSubdivisionSelect = function(newSubdivisions) {
var self = this;
var isEmpty = $.isEmptyObject(newSubdivisions);
$.each(newSubdivisions, function(alpha2, name) {
self._subdivisionSelect.append($("").attr("value", alpha2).text(name));
});
// Disable the select if there are no newSubdivisions (and un-do that once there are some)
self._subdivisionSelect.prop("disabled", isEmpty);
// If there are none, make it say "none"
if (isEmpty) {
self._subdivisionSelect.append($("").text("none"));
}
};
// Disabling selects means they won't POST with the form.
// Solution: right before submiting a form, enabled them.
SubdivisionSelect.prototype._enabledInputsBeforeSubmit = function() {
$('form').bind('submit', function() {
$(this).find('select').removeAttr('disabled');
});
};
// Not only empty the select, but:
// if the first element is blank, add a blank element before all others
SubdivisionSelect.prototype._clearSubdivisionSelect = function() {
var includeBlank = this._subdivisionSelect.children().first().text() === "";
this._subdivisionSelect.empty();
if (includeBlank) {
this._subdivisionSelect.append($(""));
}
};
return SubdivisionSelect;
})();
$(function() {
SubdivisionSelect.init();
});
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