/*

 *

 * 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');}});

	};



	
	

	/***************************

	  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();

			if($input.attr('size')){

				inputSize = $input.attr('size')*10;

				$input.css('width',inputSize);

			}

			

			$input.addClass("jqTransformInput").wrap('<div class="jqTransformInputWrapper"><div class="jqTransformInputInner"><div></div></div></div>');

			var $wrapper = $input.parent().parent().parent();

			$wrapper.css("width", inputSize+10);

			$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 && $input.css('width',$wrapper.width()+16);

			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;}

				//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')) {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: 10-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();

			/* 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 = (iSelectWidth > oSpan.innerWidth())?iSelectWidth+oLinkOpen.outerWidth():$wrapper.width();

			$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('')) {return;}

			selfForm.addClass('');

			


			$('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);