/*
 * jQuery UI Watermark @VERSION
 *
 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Watermark
 *
 * Depends:
 *  ui.core.js
 */
(function($) {

$.widget("ui.watermark", {

  _init: function() {

    var o = this.options, self = this;
    var input = this.element;
    //var placeholder = $.isFunction(o.placeholder) ? o.placeholder.apply(this.element[0]) : o.placeholder;
      var placeholder = $(this.element[0]).attr("placeholder");
      $(this.element[0]).data("placeholder", placeholder);
      $(this.element[0]).removeAttr("placeholder");
    this.element.wrap("<span/>").parent().addClass("ui-watermark-container ui-watermark-" + input[0].tagName.toLowerCase());
    var label = (this.label = $('<label for="' + input.attr("id") + '">' + placeholder + '</label>').insertBefore(input));
    label.addClass("ui-watermark-label");
    label.css({
      left: parseInt(input.css("borderLeftWidth")) + parseInt(input.css("paddingLeft")) + 2,
      top: parseInt(input.css("borderTopWidth")) + parseInt(input.css("paddingTop")) + 2
    });
    if (input.val()) {
      label.hide();
    }
    input.bind("focus." + this.widgetName, function() {
      if (!o.disabled && !this.value)
        o.animate ? label.fadeOut("fast") : label.hide();
    }).bind("blur." + this.widgetName, function() {
      if (!o.disabled && !this.value)
        o.animate ? label.fadeIn("fast") : label.show();
    });
  },
  
  destroy: function() {
    if (this.element.data("placeholder")) {
      this.element.attr("placeholder", this.element.data("placeholder"));
    }
    // TODO remove this once replaceWith handles a disconnected element (see core #3940)
    if (this.element.parent().parent().length)
      this.element.parent().replaceWith(this.element);
    this.label.remove();
    $.widget.prototype.destroy.apply(this, arguments);
  }
});


$.extend($.ui.watermark, {
  version: "1.8.7",
  defaults: {
    placeholder: function() {
      var result = $(this).attr("placeholder");
      $(this).data("placeholder", result);
      $(this).removeAttr("placeholder");
      return result;
    },
    animate: true
  }
});

})(jQuery);