/*
 *
 * jqTransform
 * by mathieu vilaplana mvilaplana@dfc-e.com
 * Designer ghyslain armand garmand@dfc-e.com
 *
 * Patched by Karl Shea <kshea@matharts.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 = {  };

	/***************************
	  Labels
	***************************/
	var jqTransformGetLabel = function(objfield) {
		var selfForm = $(objfield.get(0).form);
		
		// What the hell? Why not just search the form's children for the label?
		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'); });
			$(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 = $input.width();
			/*if($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 + 20);
			$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].selectedIndex = $(this).attr('index');
						
						if ($select[0].onchange) { $select[0].onchange(); }
						if ($select.change) { $select.change(); }
					}
					$('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' });
			
			// Find all of the item heights
			var iSelectHeight = 0;
			$('li', $ul).each(function() {
				iSelectHeight += $(this).height();
			});
			
			// Set the ul to the right height
//			$ul.css({ height: iSelectHeight, 'overflow': 'hidden' });
			$ul.css({ height: iSelectHeight, 'overflow': 'auto' });
			
			// Hide the ul again
			$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')) { 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); 
			});
			
		}); /* End Form each */
	
	};/* End the Plugin */

})(jQuery);