/*
 *
 * jqTransform
 * by mathieu vilaplana mvilaplana@dfc-e.com
 * Designer ghyslain armand garmand@dfc-e.com
 *
 *
 * Version 1.0 25.09.08
 * Version 1.1 06.08.09
 * Add event click on Checkbox and Radio
 * Auto calculate the size of a select element
 * Can now, disabled the elements
 * Correct bug in ff if click on select (overflow=hidden)
 * No need any more preloading !!
 * 
 ******************************************** */
 
(function($){
	var defaultOptions = {preloadImg:true};
	var jqTransformImgPreloaded = false;

	var jqTransformPreloadHoverFocusImg = function(strImgUrl) {
		//guillemets to remove for ie
		strImgUrl = strImgUrl.replace(/^url\((.*)\)/,'$1').replace(/^\"(.*)\"$/,'$1');
		var imgHover = new Image();
		imgHover.src = strImgUrl.replace(/\.([a-zA-Z]*)$/,'-hover.$1');
		var imgFocus = new Image();
		imgFocus.src = strImgUrl.replace(/\.([a-zA-Z]*)$/,'-focus.$1');				
	};

	/***************************
	  Labels
	***************************/
	var jqTransformGetLabel = function(objfield){
		var selfForm = $(objfield.get(0).form);
		var oLabel = objfield.next();
		if(!oLabel.is('label')) {
			oLabel = objfield.prev();
			if(oLabel.is('label')){
				var inputname = objfield.attr('id');
				if(inputname){
					oLabel = selfForm.find('label[for="'+inputname+'"]');
				} 
			}
		}
		if(oLabel.is('label')){return oLabel.css('cursor','pointer');}
		return false;
	};

	/* Hide all open selects */
	var jqTransformHideSelect = function(oTarget){
		var ulVisible = $('.jqTransformSelectWrapper ul:visible');
		ulVisible.each(function(){
			var oSelect = $(this).parents(".jqTransformSelectWrapper:first").find("select").get(0);
			//do not hide if click on the label object associated to the select
			if( !(oTarget && oSelect.oLabel && oSelect.oLabel.get(0) == oTarget.get(0)) ){$(this).hide();}
		});
	};

	/* Check for an external click */
	var jqTransformCheckExternalClick = function(event) {
		if ($(event.target).parents('.jqTransformSelectWrapper').length === 0) { jqTransformHideSelect($(event.target)); }
	};

	/* Apply document listener */
	var jqTransformAddDocumentListener = function (){
		$(document).mousedown(jqTransformCheckExternalClick);
	};	

	/* Add a new handler for the reset action */
	var jqTransformReset = function(f){
		var sel;
		$('.jqTransformSelectWrapper select', f).each(function(){sel = (this.selectedIndex<0) ? 0 : this.selectedIndex; $('ul', $(this).parent()).each(function(){$('a:eq('+ sel +')', this).click();});});
		$('a.jqTransformCheckbox, a.jqTransformRadio', f).removeClass('jqTransformChecked');
		$('input:checkbox, input:radio', f).each(function(){if(this.checked){$('a', $(this).parent()).addClass('jqTransformChecked');}});
	};

	/***************************
	  Buttons
	 ***************************/
	$.fn.jqTransInputButton = function(){
		return this.each(function(){
			var newBtn = $('<div class="jqTransformButtonWrapper"><button id="'+ this.id +'" name="'+ this.name +'" type="'+ this.type +'" class="jqTransformButton '+ this.className +'"><img src="/images/jqtransform/0.png" class="jqTransformButtonLeft" /><span><span>'+ $(this).attr('value') +'</span></span><img src="/images/jqtransform/0.png" class="jqTransformButtonRight" /></button></div>');

			$(this).replaceWith(newBtn);

            $('.jqTransformButtonWrapper')
                .hover(function()
                {
                    $(this).find('.jqTransformButtonLeft').addClass('jqTransformButtonLeft_hover');
                    $(this).find('button').addClass('jqTransformButton_hover');
                    $(this).find('.jqTransformButtonRight').addClass('jqTransformButtonRight_hover');
                },
                function()
                {
                    $(this).find('.jqTransformButtonLeft').removeClass('jqTransformButtonLeft_hover');
                    $(this).find('button').removeClass('jqTransformButton_hover');
                    $(this).find('.jqTransformButtonRight').removeClass('jqTransformButtonRight_hover');
                })
				.mousedown(function()
                {
                    $(this).find('.jqTransformButtonLeft').addClass('jqTransformButtonLeft_click');
				    $(this).find('button').addClass('jqTransformButton_click');
                    $(this).find('.jqTransformButtonRight').addClass('jqTransformButtonRight_click');
                })
				.mouseup(function()
                {
                    $(this).find('.jqTransformButtonLeft').removeClass('jqTransformButtonLeft_click');
				    $(this).find('button').removeClass('jqTransformButton_click');
                    $(this).find('.jqTransformButtonRight').removeClass('jqTransformButtonRight_click');
                })
            ;
		});
	};

	/***************************
	  Text Fields 
	 ***************************/
	$.fn.jqTransInputText = function(type){
		return this.each(function(){
			var $input = $(this);

			if($input.hasClass('jqtranformdone') || !$input.is('input')) {return;}
			$input.addClass('jqtranformdone');
	
			var oLabel = jqTransformGetLabel($(this));
			oLabel && oLabel.bind('click',function(){$input.focus();});
	
			var inputSize = $input.width();

			if (type == 1)
            {
                $input.addClass("jqTransformInput").wrap('<div class="jqTransformInputWrapper"><div class="jqTransformInputInner"><div></div></div><img src="/images/jqtransform/0.png" class="jqTransformInputInnerRight" /></div>');

                var $wrapper = $input.parent().parent().parent();
                var $inner = $input.parent().parent();
                $wrapper.css("width", inputSize+16);
            
    			$input
    				.focus(function(){$inner.addClass("jqTransformInputInner_focus"); $wrapper.children("img").addClass("jqTransformInputInnerRight_focus");})
    				.blur(function(){$inner.removeClass("jqTransformInputInner_focus"); $wrapper.children("img").removeClass("jqTransformInputInnerRight_focus");})
    			;
            }
            else
            {
                $input.addClass("jqTransformInputExtended").wrap('<div class="jqTransformInputExtendedWrapper"><div class="jqTransformInputExtendedInner"><div></div></div><img src="/images/jqtransform/0.png" class="jqTransformInputExtendedInnerRight" /></div>');

                var $wrapper = $input.parent().parent().parent();
                var $inner = $input.parent().parent();
                $wrapper.css("width", inputSize+16);

                $input
    				.focus(function(){$inner.addClass("jqTransformInputExtendedInner_focus"); $wrapper.children("img").addClass("jqTransformInputExtendedInnerRight_focus");})
    				.blur(function(){$inner.removeClass("jqTransformInputExtendedInner_focus"); $wrapper.children("img").removeClass("jqTransformInputExtendedInnerRight_focus");})
    			;
            }

			/* If this is safari we need to add an extra class */
			$.browser.safari && $wrapper.addClass('jqTransformSafari');
			$.browser.safari && $input.css('width',$wrapper.width()-16);
            $.browser.webkit && $input.addClass('jqTransformSafari');
			this.wrapper = $wrapper;
		});
	};
	
	/***************************
	  Check Boxes 
	 ***************************/	
	$.fn.jqTransCheckBox = function(){
		return this.each(function(){
			if($(this).hasClass('jqTransformHidden')) {return;}

			var $input = $(this);
			var inputSelf = this;

			//set the click on the label
			var oLabel=jqTransformGetLabel($input);
			oLabel && oLabel.click(function(){aLink.trigger('click');});

			var aLink = $('<a href="#" class="jqTransformCheckbox"></a>');
			//wrap and add the link
			$input.addClass('jqTransformHidden').wrap('<span class="jqTransformCheckboxWrapper"></span>').parent().prepend(aLink);
			//on change, change the class of the link
			$input.change(function(){  
				this.checked && aLink.addClass('jqTransformChecked') || aLink.removeClass('jqTransformChecked');

                this.checked && aLink.attr('title', 'true') || aLink.removeAttr('title');
                
				return true;
			});
			// Click Handler, trigger the click and change event on the input
			aLink.click(function(){
				//do nothing if the original input is disabled
				if($input.attr('disabled')){return false;}

				//trigger the envents on the input object
				$input.trigger('click').trigger("change");         

				return false;
			});

			// set the default state
			this.checked && aLink.addClass('jqTransformChecked');		
		});
	};
	/***************************
	  Radio Buttons 
	 ***************************/	
	$.fn.jqTransRadio = function(){
		return this.each(function(){
			if($(this).hasClass('jqTransformHidden')) {return;}

			var $input = $(this);
			var inputSelf = this;
				
			oLabel = jqTransformGetLabel($input);
			oLabel && oLabel.click(function(){aLink.trigger('click');});
	
			var aLink = $('<a href="#" class="jqTransformRadio" rel="'+ this.name +'"></a>');
			$input.addClass('jqTransformHidden').wrap('<span class="jqTransformRadioWrapper"></span>').parent().prepend(aLink);
			
			$input.change(function(){
				inputSelf.checked && aLink.addClass('jqTransformChecked') || aLink.removeClass('jqTransformChecked');
				return true;
			});
			// Click Handler
			aLink.click(function(){
				if($input.attr('disabled')){return false;}
				$input.trigger('click').trigger('change');
	
				// uncheck all others of same name input radio elements
				$('input[name="'+$input.attr('name')+'"]',inputSelf.form).not($input).each(function(){
					$(this).attr('type')=='radio' && $(this).trigger('change');
				});
	
				return false;					
			});
			// set the default state
			inputSelf.checked && aLink.addClass('jqTransformChecked');
		});
	};
	
	/***************************
	  TextArea 
	 ***************************/	
	$.fn.jqTransTextarea = function(){
		return this.each(function(){
			var textarea = $(this);
	
			if(textarea.hasClass('jqtransformdone')) {return;}
			textarea.addClass('jqtransformdone');

			oLabel = jqTransformGetLabel(textarea);
			oLabel && oLabel.click(function(){textarea.focus();});

			var strTable = '<table cellspacing="0" cellpadding="0" border="0" class="jqTransformTextarea">';
			strTable +='<tr><td id="jqTransformTextarea-tl"></td><td id="jqTransformTextarea-tm"></td><td id="jqTransformTextarea-tr"></td></tr>';
			strTable +='<tr><td id="jqTransformTextarea-ml">&nbsp;</td><td id="jqTransformTextarea-mm"><div></div></td><td id="jqTransformTextarea-mr">&nbsp;</td></tr>';	
			strTable +='<tr><td id="jqTransformTextarea-bl"></td><td id="jqTransformTextarea-bm"></td><td id="jqTransformTextarea-br"></td></tr>';
			strTable +='</table>';					
			var oTable = $(strTable)
					.insertAfter(textarea)
					.hover(function(){
						!oTable.hasClass('jqTransformTextarea-focus') && oTable.addClass('jqTransformTextarea-hover');
					},function(){
						oTable.removeClass('jqTransformTextarea-hover');					
					})
				;
				
			textarea
				.focus(function(){oTable.removeClass('jqTransformTextarea-hover').addClass('jqTransformTextarea-focus');})
				.blur(function(){oTable.removeClass('jqTransformTextarea-focus');})
				.appendTo($('#jqTransformTextarea-mm div',oTable))
			;
			this.oTable = oTable;
			if($.browser.safari){
				$('#jqTransformTextarea-mm',oTable)
					.addClass('jqTransformSafariTextarea')
					.find('div')
						.css('height',textarea.height())
						.css('width',textarea.width())
				;
			}
		});
	};
	
	/***************************
	  Select 
	 ***************************/	
	$.fn.jqTransSelect = function(){
		return this.each(function(index){
			var $select = $(this);

			if($select.hasClass('jqTransformHidden'))
            {
                var $wrapper = $(this).parent();
                var $ul = $(this).parent().find('ul');

                $ul.empty();

    			/* Now we add the options */
    			$('option', this).each(function(i){
    				var oLi = $('<li><a href="#" index="'+ i +'">'+ $(this).html() +'</a></li>');
    				$ul.append(oLi);
    			});
                
    			/* Add click handler to the a */
    			$ul.find('a').click(function(){
    					$('a.selected', $wrapper).removeClass('selected');
    					$(this).addClass('selected');	
    					/* Fire the onchange event */
    					if ($select[0].selectedIndex != $(this).attr('index') && $select[0].onchange) { $select[0].selectedIndex = $(this).attr('index'); $select[0].onchange(); }
    					$select[0].selectedIndex = $(this).attr('index');
    					$('span:eq(0)', $wrapper).html($(this).html());
    					$ul.hide();
    					return false;
    			});
                
    			/* Set the default */
    			$('a:eq('+ this.selectedIndex +')', $ul).click();
    			$('span:first', $wrapper).click(function(){$("a.jqTransformSelectOpen",$wrapper).trigger('click');});
    			oLabel && oLabel.click(function(){$("a.jqTransformSelectOpen",$wrapper).trigger('click');});
    			this.oLabel = oLabel;

    			// Calculate the height if necessary, less elements that the default height
    			//show the ul to calculate the block, if ul is not displayed li height value is 0
    			$ul.css({display:'block',visibility:'hidden'});
    			var iSelectHeight = ($('li',$ul).length)*($('li:first',$ul).height());//+1 else bug ff
    			(iSelectHeight < $ul.height()) && $ul.css({height:iSelectHeight,'overflow':'hidden'});//hidden else bug with ff
    			$ul.css({display:'none',visibility:'visible'});
                
                if(iSelectHeight > '150')
                {
                    iSelectHeight = '150';
                }
                
                $ul.css({height:iSelectHeight, 'overflow':'auto'});

                return false;
			}

			if($select.attr('multiple')) {return;}

			var oLabel  =  jqTransformGetLabel($select);
			/* First thing we do is Wrap it */
			var $wrapper = $select
				.addClass('jqTransformHidden')
				.wrap('<div id="jq'+ this.id +'" class="jqTransformSelectOutter"><div class="jqTransformSelectWrapper"></div><img src="/images/jqtransform/0.png" class="jqTransformSelectWrapperRight" /></div>')
				.parent()
			;
			
			/* Now add the html for the select */
			$wrapper.prepend('<div><span></span><a href="#" class="jqTransformSelectOpen"></a></div><ul></ul>');
			var $ul = $('ul', $wrapper).css('width', $select.width()).css('margin','0').hide();
			/* Now we add the options */
			$('option', this).each(function(i){
				var oLi = $('<li><a href="#" index="'+ i +'">'+ $(this).html() +'</a></li>');
				$ul.append(oLi);
			});
			
			/* Add click handler to the a */
			$ul.find('a').click(function(){
					$('a.selected', $wrapper).removeClass('selected');
					$(this).addClass('selected');	
					/* Fire the onchange event */
					if ($select[0].selectedIndex != $(this).attr('index') && $select[0].onchange) { $select[0].selectedIndex = $(this).attr('index'); $select[0].onchange(); }
					$select[0].selectedIndex = $(this).attr('index');
					$('span:eq(0)', $wrapper).html($(this).html());
					$ul.hide();
					return false;
			});
			/* Set the default */
			$('a:eq('+ this.selectedIndex +')', $ul).click();
			$('span:first', $wrapper).click(function(){$("a.jqTransformSelectOpen",$wrapper).trigger('click');});
			oLabel && oLabel.click(function(){$("a.jqTransformSelectOpen",$wrapper).trigger('click');});
			this.oLabel = oLabel;
			
			/* Apply the click handler to the Open */
			var oLinkOpen = $('a.jqTransformSelectOpen', $wrapper)
				.click(function(){
					//Check if box is already open to still allow toggle, but close all other selects
					if( $ul.css('display') == 'none' ) {jqTransformHideSelect();} 
					if($select.attr('disabled')){return false;}

					$ul.slideToggle('fast', function(){					
						var offSet = ($('a.selected', $ul).offset().top - $ul.offset().top);
						$ul.animate({scrollTop: offSet});
					});
					return false;
				})                                                                
			;

			// Set the new width
			var iSelectWidth = $select.outerWidth();
			var oSpan = $('span:first',$wrapper);
			var newWidth = ($select.outerWidth() + 6);
			$wrapper.css('width',newWidth);
			$ul.css('width',newWidth-2);
			oSpan.css({width:iSelectWidth});

			// Calculate the height if necessary, less elements that the default height
			//show the ul to calculate the block, if ul is not displayed li height value is 0
			$ul.css({display:'block',visibility:'hidden'});
			var iSelectHeight = ($('li',$ul).length)*($('li:first',$ul).height());//+1 else bug ff
			(iSelectHeight < $ul.height()) && $ul.css({height:iSelectHeight,'overflow':'hidden'});//hidden else bug with ff
			$ul.css({display:'none',visibility:'visible'});
		});
	};
	$.fn.jqTransform = function(options){
		var opt = $.extend({},defaultOptions,options);
		
		/* each form */
		 return this.each(function(){
			var selfForm = $(this);
			if(selfForm.hasClass('jqtransformdone')) {
			 //alert('clearing');
  
             //$(this).find('.jqTransformInputWrapper').remove();
             //$(this).find('.jqTransformSelectOutter').remove();
             }
			selfForm.addClass('jqtransformdone');
			
			$('input:submit, input:reset, input[type="button"]', this).jqTransInputButton();			
			$('.input-normal, input:password', this).jqTransInputText('1');
            $('.input-extended', this).jqTransInputText('2');
			$('input:checkbox', this).jqTransCheckBox();
			$('input:radio', this).jqTransRadio();
			$('textarea', this).jqTransTextarea();
			
			if( $('select', this).jqTransSelect().length > 0 ){jqTransformAddDocumentListener();}
			selfForm.bind('reset',function(){var action = function(){jqTransformReset(this);}; window.setTimeout(action, 10);});	
		});	
	};

})(jQuery);