/* the widget classes and definitions */

/**

  * @class Widget is an "abstract" class. It's mostly used to define some properties common to every widget.

  *

  *  Note that widget constructors are never called directly by the user. Instead, the widgets are instantiated by functions

  *  defined in init.js

  *  

  * @constructor

  * @param Popcorn a reference to the popcorn Object

  * @param config configuration options for the widget

  * @param Serializer a serializer instance from which the widget reads data fromCharCode  

*/

IriSP.Widget = function(Popcorn, config, Serializer) {

  if (config === undefined || config === null) {

    config = {}

  }

  this._Popcorn = Popcorn;

  this._config = config;  

  this._serializer = Serializer;

  if (config.hasOwnProperty("container")) {

     this._id = config.container;

     this.selector = IriSP.jQuery("#" + this._id);

  }

  if (config.hasOwnProperty("spacer")) {

     this._spacerId = config.spacer;

     this.spacer = IriSP.jQuery("#" + this._spacerId);

  }

  if (config.hasOwnProperty("width")) {

     // this.width and not this._width because we consider it public.

     this.width = config.width;     

  }

  if (config.hasOwnProperty("height")) {    

     this.height = config.height;     

  }

  if (config.hasOwnProperty("heightmax")) {

     this.heightmax = config.heightmax;     

  }

  if (config.hasOwnProperty("widthmax")) {

     this.widthmax = config.widthmax;     

  } 

  if (config.hasOwnProperty("layoutManager")) {

     this.layoutManager = config.layoutManager;

  }

  if (typeof this.selector != "undefined") {

      this.selector.addClass("Ldt-TraceMe").addClass("Ldt-Widget");

  }

};

// This functions checks for configuration options

IriSP.Widget.prototype.checkOption = function(_name, _default) {

    this[_name] = (

        typeof this._config[_name] != "undefined"

        ? this._config[_name]

        : (

            (typeof IriSP.widgetsDefaults[this._config.type] != "undefined" && IriSP.widgetsDefaults[this._config.type][_name] != "undefined")

            ? IriSP.widgetsDefaults[this._config.type][_name]

            : (

                typeof _default != "undefined"

                ? _default

                : null

            )

        )

    )

}

/**

  * This method responsible of drawing a widget on screen.

  */

IriSP.Widget.prototype.draw = function() {

  /* implemented by "sub-classes" */  

};

/**

  * Optional method if you want your widget to support redraws.

  */

IriSP.Widget.prototype.redraw = function() {

  /* implemented by "sub-classes" */  

};