kpsul/gestioncof/static/grappelli/js/jquery.grp_related_fk.js

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/**
* GRAPPELLI RELATED FK
* foreign-key lookup
*/
(function($){
var methods = {
init: function(options) {
options = $.extend({}, $.fn.grp_related_fk.defaults, options);
return this.each(function() {
var $this = $(this);
var $parent = $this.parent();
// remove djangos object representation
if ($parent.find('a.related-lookup').next().is('strong')) {
$parent.find('a.related-lookup').get(0).nextSibling.nodeValue="";
$parent.find('a.related-lookup').next('strong').remove();
}
// add placeholder
$parent.find('a.related-lookup').after(options.placeholder);
// add related class
$this.addClass('grp-has-related-lookup');
// lookup
lookup_id($this, options); // lookup when loading page
$this.bind("change focus keyup", function() { // id-handler
lookup_id($this, options);
});
});
}
};
$.fn.grp_related_fk = function(method) {
if (methods[method]) {
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
} else if (typeof method === 'object' || ! method) {
return methods.init.apply(this, arguments);
} else {
$.error('Method ' + method + ' does not exist on jQuery.grp_related_fk');
}
return false;
};
var lookup_id = function(elem, options) {
var text = elem.parent().find('.grp-placeholder-related-fk');
$.getJSON(options.lookup_url, {
object_id: elem.val(),
app_label: grappelli.get_app_label(elem),
model_name: grappelli.get_model_name(elem),
query_string: grappelli.get_query_string(elem)
}, function(data) {
if (data[0].label === "") {
text.hide();
} else {
text.show();
}
text.html('<span class="grp-placeholder-label">' + data[0].label + '</span>');
});
};
$.fn.grp_related_fk.defaults = {
placeholder: '<div class="grp-placeholder-related-fk"></div>',
repr_max_length: 30,
lookup_url: ''
};
})(grp.jQuery);