3 /**

     3 /* Has been integrated to init.js */

     4   @class a layout manager manages a div and the layout of objects

     5   inside it.

     6 */

     7 IriSP.LayoutManager = function(options) {

     8     this._Popcorn = null;

     9     this._widgets = [];

    10     

    11     this._div = "LdtPlayer";

    12     this._width = 640;

    13     

    14     if (options === undefined) {

    15       options = {};

    16     };

    17     

    18     if (options.hasOwnProperty('container')) {

    19       this._div = options.container;

    20     }

    21 

    22     if (options.hasOwnProperty('width')) {

    23       this._width = options.width;

    24     }    

    25     

    26     if (options.hasOwnProperty('height')) {

    27       this._height = options.height;

    28     } 

    29     

    30     /* this is a shortcut */

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

    32     

    33     this.selector.css({

    34         "width": this._width,

    35         "clear": "both"

    36     });

    37     

    38     if (this._height !== undefined)

    39       this.selector.css("height", this._height);

    40 };

    41 

    42 /** 

    43    Set the popcorn instance used by the manager.

    44    

    45    we need this special setter because of a chicken and egg problem :

    46    we want the manager to use popcorn but the popcorn div will be managed

    47    by the manager. So we need a way to set the instance the manager uses

    48 */

    49    

    50 IriSP.LayoutManager.prototype.setPopcornInstance = function(popcorn) {

    51     this._Popcorn = popcorn;

    52 }

    53 

    54 /** create a subdiv with an unique id, and a spacer div as well.

    55     @param widgetName the name of the widget.

    56     @return an array of the form [createdivId, spacerdivId].

    57 */

    58 IriSP.LayoutManager.prototype.createDiv = function(widgetName) {

    59     if (typeof(widgetName) === "undefined")

    60        widgetName = "";

    61 

    62     var newDiv = IriSP.guid(this._div + "_widget_" + widgetName + "_");

    63     var spacerDiv = IriSP.guid("LdtPlayer_spacer_");

    64     this._widgets.push([widgetName, newDiv]);    

    65 

    66     var divTempl = "<div id='{{id}}' style='width: {{width}}px; position: relative; clear: both;'></div";

    67     var spacerTempl = "<div id='{{spacer_id}}' style='width: {{width}}px; position: relative; height: {{spacer_div_height}}px;'></div";

    68     

    69     var divCode = Mustache.to_html(divTempl, {id: newDiv, width: this._width});

    70     var spacerCode = Mustache.to_html(spacerTempl, {spacer_id: spacerDiv, width: this._width,

    71                                                     spacer_div_height: IriSP.widgetsDefaults.LayoutManager.spacer_div_height });

    72 

    73     this.selector.append(divCode);

    74     this.selector.append(spacerCode);

    75 

    76     return [newDiv, spacerDiv];

    77 };