first commit

media/legacy/js/ajax-chosen.js

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+/**
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+/**
+ * ajaxChosen javascript behavior
+ *
+ * Used for displaying tags
+ *
+ * @package     Joomla.JavaScript
+ * @since       1.5
+ * @version     1.0
+ */
+(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: Joomla.Text._('JGLOBAL_KEEP_TYPING'),
+      lookingForMsg: Joomla.Text._('JGLOBAL_LOOKING_FOR')
+    };
+    select = this;
+    chosenXhr = null;
+    options = $.extend({}, defaultOptions, $(select).data(), settings);
+    this.jchosen(chosenOptions ? chosenOptions : {});
+    return this.each(function() {
+      return $(this).next('.chosen-container').find(".search-field > input, .chosen-search > input").bind('keyup', function() {
+        var field, msg, success, untrimmed_val, val;
+        untrimmed_val = $(this).val();
+        val = $.trim($(this).val());
+        msg = val.length < options.minTermLength ? options.keepTypingMsg : options.lookingForMsg + (" '" + val + "'");
+        select.next('.chosen-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.apply(null, 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("chosen:updated");
+          } else {
+            select.data().jchosen.no_results_clear();
+            select.data().jchosen.no_results(field.val());
+          }
+          if (success != null) {
+            success(data);
+          }
+          return field.val(untrimmed_val);
+        };
+        return this.timer = setTimeout(function() {
+          if (chosenXhr) {
+            chosenXhr.abort();
+          }
+          return chosenXhr = $.ajax(options);
+        }, options.afterTypeDelay);
+      });
+    });
+  };
+})(jQuery);
+
+jQuery(document).ready(function ($) {
+  if (Joomla.getOptions('ajax-chosen')) {
+
+    var options = Joomla.getOptions('ajax-chosen');
+
+    $(options.selector).ajaxChosen({
+      type: options.type,
+      url: options.url,
+      dataType: options.dataType,
+      jsonTermKey: options.jsonTermKey,
+      afterTypeDelay: options.afterTypeDelay,
+      minTermLength: options.minTermLength
+    }, function (data) {
+      var results = [];
+
+      $.each(data, function (i, val) {
+        results.push({ value: val.value, text: val.text });
+      });
+
+      return results;
+    });
+  }
+});