/**
 * yvan.iframe.js
 * @author luoyifan
 * 2018-12-27 10:17:00
 */
'use strict';
(function ($) {

  function resizeMe () {
    var $panel = $(this);
    var $iframe = $panel.down('iframe');
    var state = $.data($iframe[0], 'iframe');
    //state.handle.resize();
  }

  function bindEvents (target) {
    var $panel = $(target).parent();

    if ($panel.data().hasOwnProperty('panel')) {
      $panel.panel({ onResize: resizeMe });
      resizeMe.call($panel[0]);
    }
  }

  function show (target) {
    var state = $.data(target, 'iframe');
    var opts = state.options;
    //state.handle.setOption(opts);
  }

  $.fn.iframe = function (options, param) {
    if (typeof options === 'string') {
      return $.fn.iframe.methods[options](this, param);
    }

    options = options || {};
    return this.each(function () {
      var state = $.data(this, 'iframe');
      if (state) {
        $.extend(state.options, options);
      } else {
        state = $.data(this, 'iframe', {
          options: $.extend({}, $.fn.iframe.defaults, options),
          handle: this
        });
      }
      //setSize(this);
      bindEvents(this);
      show(this);
    });
  };

  $.fn.iframe.methods = {
    options: function (jq) {
      return $.data(jq[0], 'iframe').options;
    },
    refresh: function (jq) {
      jq[0].contentWindow.location.reload(true);
    },
    setOption: function (jq, options) {
      return jq.each(function () {
        var state = $.data(this, 'iframe');
        $.extend(state.options, options);
        show(this);
      });
    }
  };

  //扩展到 power.xtype
  $.extend($.fn.power.defaults.xtype, {
    'iframe': function ($target, item, context) {
      item.id = item.id || $.yvan.createId('iframe');

      var $dom = $('<iframe src="' + item.src +
        '" scrolling="auto" frameborder="0" style="width:100%;height:100%;"></iframe>');

      $.yvan.fillCommonProperties($dom, item);
      $target.append($dom);
      $dom.iframe(item);

      return $dom;
    }
  });

  $.fn.iframe.defaults = {};

})(jQuery);