/* Copyright 2009 the Melange authors.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *   http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

*

* @author <a href="mailto:ajaksu@gmail.com">Daniel Diniz</a>

* @author <a href="mailto:jamesalexanderlevy@gmail.com">James Levy</a>

*/

(function ($) {

  var map = [];

  $.preserveDefaultText = {

    ShowAll: function () {

      for (var i = 0; i < map.length; i = i + 1) {

        if (map[i].obj.val() === "") {

          map[i].obj.val(map[i].text);

          map[i].obj.css("color", map[i].WatermarkColor);

        }

        else {

          map[i].obj.css("color", map[i].DefaultColor);

        }

      }

    },

    HideAll: function () {

      for (var i = 0; i < map.length; i = i + 1) {

        if (map[i].obj.val() === map[i].text) {

          map[i].obj.val("");

        }

      }

    }

  };

  $.fn.preserveDefaultText = function (text, color) {

    if (!color) {

      color = "#aaa";

    }

    return this.each(

      function () {

        var input = $(this);

        var defaultColor = input.css("color");

        map[map.length] = {

          text: text,

          obj: input,

          DefaultColor: defaultColor,

          WatermarkColor: color

        };

        function clearMessage() {

          if (input.val() === text) {

            input.val("");

          }

          input.css("color", defaultColor);

        }

        function insertMessage() {

          if (input.val().length === 0 || input.val() === text) {

            input.val(text);

            input.css("color", color);

          }

          else {

            input.css("color", defaultColor);

          }

        }

        input.focus(clearMessage);

        input.blur(insertMessage);

        input.change(insertMessage);

        insertMessage();

      });

  };

}(jQuery));