Sha256: a047665b7a9f5586377b34ba42c46086bbd4d3fe00dd11129732cb9cad840246
Contents?: true
Size: 1.68 KB
Versions: 9
Compression:
Stored size: 1.68 KB
Contents
$(function() {
$('body').on('change', '.region_select', function(event) {
var changed_object = $(event.currentTarget);
var target_dom = get_target(changed_object);
if (target_dom.size() > 0) {
get_options(changed_object, target_dom, deal_with_second_target);
}
});
function get_target(dom_object) {
return $('#' + dom_object.data('region-target'));
}
function deal_with_second_target(changed_obj, target) {
var updated_target = get_target(changed_obj);
var second_target = get_target(updated_target);
// Just clear out the second dropdown if it exists,
// they should start from the beginning
if (second_target.size() > 0) {
$('option[value!=""]', second_target).remove();
// If the updated target has only one entry ensure that all districts
// are loaded so that we can get those options since.
if ($('option', updated_target).size() == 1) {
get_options(updated_target, second_target);
}
}
}
// Retrieve options and allow a callback to be included to perform additonal
// stuff on success
function get_options(changed_object, target, additional_success_callback) {
$.getJSON('/china_regions/fetch_options', {
klass: changed_object.data('region-target-klass'),
parent_klass: changed_object.data('region-klass'),
parent_id: changed_object.val()
}, function(data) {
$('option[value!=""]', target).remove();
$.each(data, function(index, value) {
target.append("<option value='" + value.id + "'>" + value.name + "</option>");
});
typeof additional_success_callback === 'function' && additional_success_callback(changed_object, target);
});
}
});
Version data entries
9 entries across 9 versions & 1 rubygems