/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License (AFL 3.0)
 * that is bundled with this package in the file LICENSE_AFL.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/afl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Gr
 * @package     Gr_Deepzoom
 * @copyright   Copyright (c) 2010 groupeReflect (http://www.groupereflect.net)
 * @license     http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
 */
var GrSeadragonUi=Class.create();GrSeadragonUi.prototype={initialize:function(b,a){this._position=0;this.area=b;this.options=a;this.onClick=this.switchTo.bind(this);this.onControlNextClick=this.controlNextClick.bind(this);this.onControlPreviousClick=this.controlPreviousClick.bind(this);$$("a[rel^='seadragon']").each(function(c){c.observe("click",this.onClick)}.bind(this))},startViewer:function(){if($(this.area)){this.setConfiguration();this.setTooltips();this.viewer=new Seadragon.Viewer(this.area)}},setConfiguration:function(){Seadragon.Config.immediateRender=true;if(this.options.Config!=null){var a=$H(Seadragon.Config);var b=a.merge(this.options.Config);Seadragon.Config=b.toObject()}},setTooltips:function(){if(this.options.Tooltips!=null){if(this.options.Tooltips.ZoomIn!=null){Seadragon.Strings.setString("Tooltips.ZoomIn",this.options.Tooltips.ZoomIn)}if(this.options.Tooltips.ZoomOut!=null){Seadragon.Strings.setString("Tooltips.ZoomOut",this.options.Tooltips.ZoomOut)}if(this.options.Tooltips.Home!=null){Seadragon.Strings.setString("Tooltips.Home",this.options.Tooltips.Home)}if(this.options.Tooltips.FullPage!=null){Seadragon.Strings.setString("Tooltips.FullPage",this.options.Tooltips.FullPage)}}},activePrevNext:function(){if($(this.area)){this.addControl()}},applyContainerStyles:function(){if(this.options.containerStyles!=null){$(this.area).setStyle(this.options.containerStyles)}},hideNoSelectionArea:function(){if(this.options.noSelection!=null){$$(this.options.noSelection).invoke("hide")}},open:function(a){if(this.viewer==null){this.startViewer()}this._url=a;this.applyContainerStyles();this.viewer.openDzi(a)},switchTo:function(b){var a=Event.element(b);if(a.rel=="seadragon"){dzi=a.href}else{dzi=a.parentNode.href}if(this.viewer==null){this.startViewer()}if(dzi){this.hideNoSelectionArea();this.open(dzi)}else{this.viewer.close()}this.removeControl();this.refreshPosition();this.addControl();Seadragon.Utils.cancelEvent(b)},addControl:function(){if(this._position<this._collection.length-1){this.viewer.addControl(this.makeNextControl(this._position),Seadragon.ControlAnchor.TOP_RIGHT)}if(this._position!=0){this.viewer.addControl(this.makePreviousControl(this._position),Seadragon.ControlAnchor.TOP_LEFT)}},makeNextControl:function(a){var c=document.createElement("a");var b=document.createTextNode(" ");c.id=this.area+"-btn-next";c.href="#";c.className="control c-nxt";c.rel=++a;c.appendChild(b);Seadragon.Utils.addEvent(c,"click",this.onControlNextClick);return c},controlNextClick:function(b){var a=Event.element(b);Event.stop(b);if(this._collection[a.rel]!=null&&this._collection[a.rel].url!=null){this.open(this._collection[a.rel].url)}this.removeControl();this.refreshPosition();this.addControl()},makePreviousControl:function(a){var c=document.createElement("a");var b=document.createTextNode(" ");c.id=this.area+"-btn-prev";c.href="#";c.className="control c-prev";c.rel=--a;c.appendChild(b);Seadragon.Utils.addEvent(c,"click",this.onControlPreviousClick);return c},controlPreviousClick:function(b){var a=Event.element(b);Event.stop(b);if(this._collection[a.rel]!=null&&this._collection[a.rel].url!=null){this.open(this._collection[a.rel].url)}this.removeControl();this.refreshPosition();this.addControl()},removeControl:function(){this.viewer.removeControl(this.area+"-btn-prev");this.viewer.removeControl(this.area+"-btn-next")},loadGallery:function(a){this._collection=a;this.refreshPosition();this.addControl()},refreshPosition:function(){for(var a in this._collection){if(this._collection[a].url==this._url){this._position=a}}}};