/*
 ModalBox - The pop-up window thingie with AJAX, based on prototype and script.aculo.us.

 Copyright Andrew Okonetchnikov (andrej.okonetschnikow@gmail.com), 2006
 All rights reserved.
 
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 * Neither the name of the David Spurr nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

* http://www.opensource.org/licenses/bsd-license.php
 
See scriptaculous.js for full scriptaculous licence
*/

if(!window.Modalbox)
var Modalbox=new Object();Modalbox.Methods={focusableElements:new Array,setOptions:function(options){this.options={overlayClose:true,width:400,height:400,params:{},loadingString:"Chargement en cours..."};Object.extend(this.options,options||{});},_init:function(){this.pageContent=document.body.childNodes[0];this.MBoverlay=Builder.node("div",{id:"MB_overlay"});this.MBwrapper=Builder.node("div",{id:"MB_wrapper"},[this.MBwindow=Builder.node("div",{id:"MB_window",style:"display: none"},[this.MBframe=Builder.node("div",{id:"MB_frame"},[this.MBheader=Builder.node("div",{id:"MB_header"},[this.MBcaption=Builder.node("div",{id:"MB_caption"}),this.MBclose=Builder.node("a",{id:"MB_close",title:"Fermer la fenêtre",href:"#"},[Builder.build("<img src='/images/close.gif' alt='' />"),]),]),this.MBcontent=Builder.node("div",{id:"MB_content"},[this.MBloading=Builder.node("div",{id:"MB_loading"},this.options.loadingString),]),]),]),]);document.body.insertBefore(this.MBoverlay,this.pageContent);document.body.insertBefore(this.MBwrapper,this.pageContent);this.hide=this.hide.bindAsEventListener(this);this.close=this._hide.bindAsEventListener(this);this.initScrollX=window.pageXOffset||document.body.scrollLeft||document.documentElement.scrollLeft;this.initScrollY=window.pageYOffset||document.body.scrollTop||document.documentElement.scrollTop;Event.observe(this.MBclose,"click",this.close);if(this.options.overlayClose)
Event.observe(this.MBoverlay,"click",this.hide);this.isInitialized=true;},show:function(title,url,options){this.title=title;this.url=url;this.setOptions(options);if(!this.isInitialized)this._init();if(navigator.appVersion.match(/\bMSIE\b/))
{document.body.style.position="relative";document.body.style.height=document.documentElement.clientHeight+"px";document.body.style.width=document.documentElement.clientWidth+"px";}
document.body.style.overflow='hidden';Element.update(this.MBcaption,title);if(this.MBwindow.style.display=="none"){this._appear();this.event("onShow");}
else{this._update();this.event("onUpdate");}},hide:function(options){if(options)Object.extend(this.options,options);Effect.SlideUp(this.MBwindow,{duration:0.35,afterFinish:this._deinit.bind(this)});},_hide:function(event){if(event)Event.stop(event);this.hide();},_appear:function(){this._toggleSelects();this._setOverlay();this._setWidth();this._setPosition();new Effect.Fade(this.MBoverlay,{from:0,to:0.75,duration:0.5,afterFinish:function(){new Effect.SlideDown(this.MBwindow,{duration:0.75,afterFinish:this.loadContent.bind(this)});}.bind(this)});this._setWidthAndPosition=this._setWidthAndPosition.bindAsEventListener(this);this.kbdHandler=this.kbdHandler.bindAsEventListener(this);Event.observe(window,"resize",this._setWidthAndPosition);Event.observe(document,"keypress",this.kbdHandler);},resize:function(byWidth,byHeight,options){if(options)Object.extend(this.options,options);this.currentDims=[this.MBwindow.offsetWidth,this.MBwindow.offsetHeight];new Effect.ScaleBy(this.MBwindow,(byWidth),(byHeight),{duration:.5,afterFinish:function(){this.event("afterResize")}.bind(this)});},_update:function(){this.currentDims=[this.MBwindow.offsetWidth,this.MBwindow.offsetHeight];if((this.options.width+10!=this.currentDims[0])||(this.options.height+5!=this.currentDims[1]))
new Effect.ScaleBy(this.MBwindow,(this.options.width+10-this.currentDims[0]),(this.options.height+5-this.currentDims[1]),{afterFinish:this._loadAfterResize.bind(this),beforeStart:function(effect){effect.element.firstChild.childNodes[1].innerHTML=this.options.loadingString;effect.element.firstChild.childNodes[1].style.height="auto";}.bind(this)});else{this.MBwindow.firstChild.childNodes[1].innerHTML=this.options.loadingString;this.MBwindow.firstChild.childNodes[1].style.height="auto";this._loadAfterResize();}},loadContent:function(){var myAjax=new Ajax.Request(this.url,{method:'get',parameters:this.options.params,onComplete:function(originalRequest){var response=new String(originalRequest.responseText);this.MBcontent.innerHTML=response;response.extractScripts().map(function(script){return eval(script.replace("<!--","").replace("// -->",""));});this.focusableElements=$A($("MB_content").descendants()).findAll(function(node){return(["INPUT","TEXTAREA","SELECT","A","BUTTON"].include(node.tagName));});this.moveFocus(this.focusableElements);this.event("afterLoad");}.bind(this)});},moveFocus:function(elementsArray){if(elementsArray.length>0)
elementsArray[0].focus();else
{$("MB_close").focus();this.focusableElements[0]=$("MB_close");}},_loadAfterResize:function(){this._setWidth();this._setPosition();this.loadContent();},kbdHandler:function(e){switch(e.keyCode)
{case Event.KEY_TAB:if(Event.element(e)==this.focusableElements.last()){Event.stop(e);this.moveFocus(this.focusableElements);}
break;case Event.KEY_ESC:this._hide(e);break;}},_deinit:function()
{this._toggleSelects();Event.stopObserving(this.MBclose,"click",this.close);if(this.options.overlayClose)
Event.stopObserving(this.MBoverlay,"click",this.hide);Event.stopObserving(window,"resize",this._setWidthAndPosition);Event.stopObserving(document,"keypress",this.kbdHandler);Effect.toggle(this.MBoverlay,'appear',{duration:0.35,afterFinish:this._removeElements.bind(this)});},_removeElements:function(){if(navigator.appVersion.match(/\bMSIE\b/))
{document.body.style.position="";document.body.style.height="";document.body.style.width="";}
document.body.style.overflow="";window.scrollTo(this.initScrollX,this.initScrollY);Element.remove(this.MBoverlay);Element.remove(this.MBwrapper);this.isInitialized=false;this.event("afterHide");},_setOverlay:function(){var array_page_size=this._getWindowSize();var max_height=Math.max(this._getScrollTop()+array_page_size[1],this._getScrollTop()+this.options.height+30);this.MBoverlay.style.height=max_height+"px";this.MBoverlay.style.width=array_page_size[0]+"px";},_setWidth:function(){var array_page_size=this._getWindowSize();this.MBwrapper.style.width=this.options.width+10+"px";this.MBwindow.style.width=this.options.width+"px";this.MBwrapper.style.height=this.options.height+"px";this.MBwindow.style.height=this.options.height+"px";},_setPosition:function(){var array_page_size=this._getWindowSize();this.MBwrapper.style.left=((array_page_size[0]-this.MBwrapper.offsetWidth)/2)+"px";this.MBwindow.style.left="0px";this.MBwrapper.style.top=this._getScrollTop()+"px";},_setWidthAndPosition:function(){this._setOverlay();this._setPosition();},_getWindowSize:function(){var window_width,window_height;if(self.innerHeight){window_width=self.innerWidth;window_height=self.innerHeight;}else if(document.documentElement&&document.documentElement.clientHeight){window_width=document.documentElement.clientWidth;window_height=document.documentElement.clientHeight;}else if(document.body){window_width=document.body.clientWidth;window_height=document.body.clientHeight;}
return[window_width,window_height];},_getScrollTop:function(){var theTop;if(document.documentElement&&document.documentElement.scrollTop)
theTop=document.documentElement.scrollTop;else if(document.body)
theTop=document.body.scrollTop;return theTop;},_toggleSelects:function(){if(navigator.appVersion.match(/\bMSIE\b/))
{var selectsList=this.pageContent.getElementsByTagName("select");var selects=$A(selectsList);selects.each(function(select){select.style.visibility=(select.style.visibility=="")?"hidden":"";});}},event:function(eventName){if(this.options[eventName])this.options[eventName](this.obj);}}
Object.extend(Modalbox,Modalbox.Methods);Effect.ScaleBy=Class.create();Object.extend(Object.extend(Effect.ScaleBy.prototype,Effect.Base.prototype),{initialize:function(element,byWidth,byHeight,options){this.element=$(element)
var options=Object.extend({scaleFromTop:true,scaleMode:'box',scaleByWidth:byWidth,scaleByHeight:byHeight},arguments[3]||{});this.start(options);},setup:function(){this.elementPositioning=this.element.getStyle('position');this.originalTop=this.element.offsetTop;this.originalLeft=this.element.offsetLeft;this.dims=null;if(this.options.scaleMode=='box')
this.dims=[this.element.offsetHeight,this.element.offsetWidth];if(/^content/.test(this.options.scaleMode))
this.dims=[this.element.scrollHeight,this.element.scrollWidth];if(!this.dims)
this.dims=[this.options.scaleMode.originalHeight,this.options.scaleMode.originalWidth];this.deltaY=this.options.scaleByHeight;this.deltaX=this.options.scaleByWidth;},update:function(position){var currentHeight=this.dims[0]+(this.deltaY*position);var currentWidth=this.dims[1]+(this.deltaX*position);this.setDimensions(currentHeight,currentWidth);},setDimensions:function(height,width){var d={};d.width=width+'px';d.height=height+'px';var topd=(height-this.dims[0])/2;var leftd=(width-this.dims[1])/2;if(this.elementPositioning=='absolute'){if(!this.options.scaleFromTop)d.top=this.originalTop-topd+'px';d.left=this.originalLeft-leftd+'px';}else{if(!this.options.scaleFromTop)d.top=-topd+'px';d.left=-leftd+'px';}
this.element.setStyle(d);}});