first commit

admin/static/js/chosen.ajax.js

@@ -0,0 +1,159 @@
+// Generated by CoffeeScript 1.6.1
+
+(function($) {
+  var ajaxChosen, defaultOptions;
+  defaultOptions = {
+    minTermLength: 3,
+    afterTypeDelay: 500,
+    jsonTermKey: "term",
+    keepTypingMsg: "Keep typing...",
+    lookingForMsg: "Looking for"
+  };
+  return ajaxChosen = (function() {
+
+    function ajaxChosen(element, settings, callback, chosenOptions) {
+      var chosenXhr;
+      this.element = element;
+      chosenXhr = null;
+      this.callback_function = callback;
+      this.options = $.extend({}, defaultOptions, this.element.data(), settings);
+      this.success = settings.success;
+      this.element.chosen(chosenOptions ? chosenOptions : {});
+      this.search_field = this.element.next('.chosen-container').find(".search-field > input, .chosen-search > input");
+      this.register_observers();
+    }
+
+    ajaxChosen.prototype.register_observers = function() {
+      var _this = this;
+      this.search_field.keyup(function(evt) {
+        _this.update_list(evt);
+      });
+      return this.search_field.focus(function(evt) {
+        _this.search_field_focused(evt);
+      });
+    };
+
+    ajaxChosen.prototype.search_field_focused = function(evt) {
+      if (this.options.minTermLength === 0 && this.search_field.val().length === 0) {
+        return this.update_list(evt);
+      }
+    };
+
+    ajaxChosen.prototype.update_list = function(evt) {
+      var msg, options, val, _this;
+      this.untrimmed_val = this.search_field.val();
+      val = $.trim(this.search_field.val());
+      msg = val.length < this.options.minTermLength ? this.options.keepTypingMsg : this.options.lookingForMsg + (" '" + val + "'");
+      this.element.next('.chosen-container').find('.no-results').text(msg);
+      if (val === this.search_field.data('prevVal')) {
+        return false;
+      }
+      this.search_field.data('prevVal', val);
+      if (this.timer) {
+        clearTimeout(this.timer);
+      }
+      if (val.length < this.options.minTermLength) {
+        return false;
+      }
+      if (this.options.data == null) {
+        this.options.data = {};
+      }
+      this.options.data[this.options.jsonTermKey] = val;
+      if (this.options.dataCallback != null) {
+        this.options.data = this.options.dataCallback(this.options.data);
+      }
+      _this = this;
+      options = this.options;
+      options.success = function(data) {
+        return _this.show_results(data);
+      };
+      return this.timer = setTimeout(function() {
+        if (_this.chosenXhr) {
+          _this.chosenXhr.abort();
+        }
+        return _this.chosenXhr = $.ajax(options);
+      }, options.afterTypeDelay);
+    };
+
+    ajaxChosen.prototype.show_results = function(data) {
+      var items, nbItems, selected_values, _this;
+      if (data == null) {
+        return;
+      }
+      selected_values = [];
+      this.element.find('option').each(function() {
+        if (!$(this).is(":selected")) {
+          return $(this).remove();
+        } else {
+          return selected_values.push($(this).val() + "-" + $(this).text());
+        }
+      });
+      this.element.find('optgroup:empty').each(function() {
+        return $(this).remove();
+      });
+      items = this.callback_function != null ? this.callback_function(data, this.search_field) : data;
+      nbItems = 0;
+      _this = this;
+      $.each(items, function(i, element) {
+        var group, text, value;
+        nbItems++;
+        if (element.group) {
+          group = _this.element.find("optgroup[label='" + element.text + "']");
+          if (!group.size()) {
+            group = $("<optgroup />");
+          }
+          group.attr('label', element.text).appendTo(_this.element);
+          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(_this.element);
+          }
+        }
+      });
+      if (nbItems) {
+        this.element.trigger("chosen:updated");
+      } else {
+        this.element.data().chosen.no_results_clear();
+        this.element.data().chosen.no_results(this.search_field.val());
+      }
+      if (this.success != null) {
+        this.success(data);
+      }
+      return this.search_field.val(this.untrimmed_val);
+    };
+
+    $.fn.ajaxChosen = function(options, callback, chosenOptions) {
+      if (options == null) {
+        options = {};
+      }
+      if (chosenOptions == null) {
+        chosenOptions = {};
+      }
+      return this.each(function() {
+        return new ajaxChosen($(this), options, callback, chosenOptions);
+      });
+    };
+
+    return ajaxChosen;
+
+  })();
+})(jQuery);