/*
 *
 * 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 !!
 * 
 ******************************************** */
$.browser.safari = $.browser.safari && !$.browser.webkit; //chrome bug
(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 = $('<button id="'+ this.id +'" name="'+ this.name +'" type="'+ this.type + '" class="'+ this.className +' jqTransformButton"><span><span>'+ $(this).attr('value') +'</span></span>')
				.hover(function(){newBtn.addClass('jqTransformButton_hover');},function(){newBtn.removeClass('jqTransformButton_hover')})
				.mousedown(function(){newBtn.addClass('jqTransformButton_click')})
				.mouseup(function(){newBtn.removeClass('jqTransformButton_click')})
				.bind('click', this.onclick)
			;
			$(this).replaceWith(newBtn);
		});
	};
	
	/***************************
	  Text Fields 
	 ***************************/
	$.fn.jqTransInputText = function(){
		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();
			var inputStyleWidth = $input.get(0).style.width;
			var wrapperSize, safariSize;
			if( inputStyleWidth.indexOf('%') != -1 ) {  //relative width
				inputSize = parseInt(inputStyleWidth);
				wrapperSize = '' + (inputSize+1)+ '%';
				safariSize = '' + (inputSize+2)+ '%';
			}
			else {
				if( inputStyleWidth ) {
					inputSize = parseInt(inputStyleWidth);
				}
				else if($input.attr('size')) {
					inputSize = $input.attr('size')*10;
					$input.css('width',inputSize);
				}
				wrapperSize = inputSize+10;
				safariSize = wrapperSize+16;
			}
			
			$input.addClass("jqTransformInput").wrap('<div class="jqTransformInputWrapper"><div class="jqTransformInputInner"><div></div></div></div>');
			var $wrapper = $input.parent().parent().parent();
			$wrapper.css("width", wrapperSize);
			$input
				.focus(function(){$wrapper.addClass("jqTransformInputWrapper_focus");})
				.blur(function(){$wrapper.removeClass("jqTransformInputWrapper_focus");})
				.hover(function(){$wrapper.addClass("jqTransformInputWrapper_hover");},function(){$wrapper.removeClass("jqTransformInputWrapper_hover");})
			;
	
			/* If this is safari we need to add an extra class */
			$.browser.safari && $wrapper.addClass('jqTransformSafari');
			$.browser.safari && $input.css('width',safariSize);
			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
			$input.change(function(){
				this.checked && aLink.addClass('jqTransformChecked') || aLink.removeClass('jqTransformChecked');
				return true;
			});
			// Click Handler, trigger the click and change event on the input
			aLink.click(function(){
				//do nothing if the original input is disabled
				if($input.attr('disabled')){return false;}
				$input.attr('checked', !$input.attr('checked'));
				$input.trigger("change");
				//сделать через trigger('click') не выходит - не меняет атрибут changed
				//$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(){
		var total = this.length;
		return this.each(function(index){
			var $select = $(this);

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

			var oLabel  =  jqTransformGetLabel($select);
			/* First thing we do is Wrap it */
			var $wrapper = $select
				.addClass('jqTransformHidden')
				.wrap('<div class="jqTransformSelectWrapper"></div>')
				.parent()
				.css({zIndex: total-index})
			;
			
			/* 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()).hide();
			
			var hasDisabledOptions;
			function addOptions() {
				hasDisabledOptions = false;
				$('option', $select).each(function(i){
					var style = $(this).get(0).style.cssText;
					if(! $(this).attr('disabled') )
						var oLi =  $('<li><a href="#" index="'+ i +'" style="'+ style +'">'+ $(this).html() +'</a></li>');
					/* without link*/
					else {
						var oLi = $('<li class="jqTransformSelectOptionDisabled" style="'+ style +'">' + $(this).html() + '</li>');
						hasDisabledOptions = true;
					}

					$ul.append(oLi);
				});
			}
			
			function bindClickEvent() {
				/* 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(); }
						if( $(this).parent().html()==null) return false;
						$select[0].selectedIndex = $(this).attr('index');
						$('span:eq(0)', $wrapper).html($(this).html());
						$ul.hide();
						return false;
					});
			}
			
			/* Now we add the options */
			addOptions();
			bindClickEvent();
			
			// onchange event
			$select.bind('change', function(){
					return $select.trigger('simpleChange');
				});
			
			// prevent multiple onchange event
			$select.bind('simpleChange', function(){
					if( hasDisabledOptions ) $('a[index="'+ this.selectedIndex +'"]', $ul).click();
					else $('a:eq('+ this.selectedIndex +')', $ul).click();
					return true;
				});	
			
			// redraw select options
			$select.bind('refresh', function() {
					$ul.html('');
					addOptions();
					bindClickEvent();

					// set box height
					$ul.css({display:'block',visibility:'hidden'});
					var iSelectHeight = ($('li',$ul).length)*($('li:first',$ul).height());//+1 else bug ff
					if (iSelectHeight > 150)
						iSelectHeight = 150
					$ul.css({height:iSelectHeight,'overflow':''});//hidden else bug with ff
					$ul.css({display:'none',visibility:'visible'});
					
					if( hasDisabledOptions ) $('a[index="'+ this.selectedIndex +'"]', $ul).click();
					else $('a:eq('+ this.selectedIndex +')', $ul).click();
					return true;
				});
			
			$ul.bind('aClick', function(event, selected){
				var $a = $('a:eq(0)', $ul);
				if(typeof(selected) == "string") {
					if( selected && $('#'+selected).length ) $a = $('#'+selected);
				}
				else{
					if( $(selected) && $(selected).html() )	$a = $(selected);
				}

				if( $select.attr('selectedId') ) $('#'+$select.attr('selectedId')).removeClass('selected');
				$a.addClass('selected');

				/* Fire the onchange event */
				if ($select.attr('selectedId') != $a.attr('id') && $select[0].onchange) {
					$select.attr('selectedId', $a.attr('id'));
					$select.html('<option value="'+ $a.attr('id') +'" selected>'+ $a.html() +'</option>');
					$select[0].onchange();
				}

				$select.attr('selectedId', $a.attr('id'));
				$select.html('<option value="'+ $a.attr('id') +'" selected>'+ $a.html() +'</option>');
				$('span:eq(0)', $wrapper).html($a.html());

				$ul.hide();
				return false;
			});

			( function( $ ){
				$.fn.simpleVal = function( value ){
					if ( !arguments.length ) return $(this).attr('selectedId') || "";
					$('ul', $(this).parent()).trigger('aClick', value);
					return $(this);
				};
			} )(jQuery);

			$select.bind('simpleRefresh', function(event, ulHtml, selected) {
					$ul.html(ulHtml);

					// set box height
					$ul.css({display:'block',visibility:'hidden'});
					var iSelectHeight = ($('li',$ul).length)*($('li:first',$ul).height());//+1 else bug ff
					if (iSelectHeight > 150)
						iSelectHeight = 150
					$ul.css({height:iSelectHeight,'overflow':''});//hidden else bug with ff
					$ul.css({display:'none',visibility:'visible'});

					$ul.trigger('aClick', selected);
					return true;
				});
			
			/* Set the default */
			if( hasDisabledOptions ) $('a[index="'+ this.selectedIndex +'"]', $ul).click();
			else $('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;
			
			function linkOpen(){
				//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;}

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

			function simpleLinkOpen(){
				//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.show();
				return false;
			}

			/* Apply the click handler to the Open */
			var oLinkOpen = $('a.jqTransformSelectOpen', $wrapper)
				.click($select.hasClass('long-list') ? simpleLinkOpen : linkOpen)
			;

			// Set the new width
			var procSelectWidth, iSelectWidth, wrapperWidth, spanWidth, ulWidth;
			var oSpan = $('span:first',$wrapper);
			if( $select.get(0).style.width.indexOf('%') != -1 ) {  //relative width
				procSelectWidth = $select.get(0).style.width;
				iSelectWidth = parseInt(procSelectWidth);

				wrapperWidth = procSelectWidth;
				spanWidth = '' + (iSelectWidth - 8) + '%';

				// нам нужно 2px для зазора ul
				// считаем сколько это процентов от ширины блока, содержащего select
				var ulGap = (2*100 / $select.parent().parent().width()).toFixed(1);
				ulWidth =  '' + (iSelectWidth - ulGap) + '%';
			}
			else {
				iSelectWidth = $select.outerWidth();
				wrapperWidth = (iSelectWidth > oSpan.innerWidth())?iSelectWidth+oLinkOpen.outerWidth():oSpan.innerWidth();
				spanWidth = iSelectWidth;
				ulWidth = wrapperWidth - 2;
			}
			$wrapper.css('width',wrapperWidth);
			$ul.css('width',ulWidth);
			oSpan.css({width:spanWidth});
		
			if( $select.attr('ulwidth') ){
				$ul.css('width', $select.attr('ulwidth'));
			}

			// 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.jqTransSelectAlone = function(options){
		var opt = $.extend({},defaultOptions,options);

		return this.each(function(){
			if( $(this).jqTransSelect().length > 0 ){jqTransformAddDocumentListener();}
		});
	};
	$.fn.jqTransform = function(options){
		var opt = $.extend({},defaultOptions,options);
		
		/* each form */
		 return this.each(function(){
			var selfForm = $(this);
			if(selfForm.hasClass('jqtransformdone')) {return;}
			selfForm.addClass('jqtransformdone');
			
			$('input:submit, input:reset, input[type="button"]', this).jqTransInputButton();			
			$('input:text, input:password', this).jqTransInputText();			
			$('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);});
			
			//preloading dont needed anymore since normal, focus and hover image are the same one
			/*if(opt.preloadImg && !jqTransformImgPreloaded){
				jqTransformImgPreloaded = true;
				var oInputText = $('input:text:first', selfForm);
				if(oInputText.length > 0){
					//pour ie on eleve les ""
					var strWrapperImgUrl = oInputText.get(0).wrapper.css('background-image');
					jqTransformPreloadHoverFocusImg(strWrapperImgUrl);					
					var strInnerImgUrl = $('div.jqTransformInputInner',$(oInputText.get(0).wrapper)).css('background-image');
					jqTransformPreloadHoverFocusImg(strInnerImgUrl);
				}
				
				var oTextarea = $('textarea',selfForm);
				if(oTextarea.length > 0){
					var oTable = oTextarea.get(0).oTable;
					$('td',oTable).each(function(){
						var strImgBack = $(this).css('background-image');
						jqTransformPreloadHoverFocusImg(strImgBack);
					});
				}
			}*/
			
			
		}); /* End Form each */
				
	};/* End the Plugin */

})(jQuery);