/*
 * jNice
 * version: 1.0 (11.26.08)
 * by Sean Mooney (sean@whitespace-creative.com) 
 * Examples at: http://www.whitespace-creative.com/jquery/jnice/
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * To Use: place in the head 
 *  <link href="inc/style/jNice.css" rel="stylesheet" type="text/css" />
 *  <script type="text/javascript" src="inc/js/jquery.jNice.js"></script>
 *
 * And apply the jNice class to the form you want to style
 *
 * To Do: Add textareas, Add File upload
 *
 ******************************************** */

(function($){
	if ($.browser.msie && parseInt($.browser.version) <= 6) {
		$(window).load(function () {
			$('.jNice input[type=text]').each(function() { $(this).addClass('jnice_text'); });
			$('.jNice input[type=radio]').each(function() { $(this).addClass('jnice_radio');	});
			$('.jNice input[type=check]').each(function() { $(this).addClass('jnice_check');	});
			$('.jNice input[type=submit]').each(function() { $(this).addClass('jnice_submit');	});
			$('.jNice input[type=textarea]').each(function() { $(this).addClass('jnice_textarea');	});
		});
	}
	else {
		$.fn.jNice = function(options){
			var self = this;
			var safari = $.browser.safari; /* We need to check for safari to fix the input:text problem */
			/* Apply document listener */
			$(document).mousedown(checkExternalClick);
			
			/* each form */
			return this.each(function(){
				//$('input:submit, input:reset, input:button', this).each(ButtonAdd);
				$('button').focus(function(){ $(this).addClass('jNiceFocus')}).blur(function(){ $(this).removeClass('jNiceFocus')});
				//$('input:text:visible, input:password', this).each(TextAdd);
				/* If this is safari we need to add an extra class */
				if (safari){$('.jNiceInputWrapper').each(function(){$(this).addClass('jNiceSafari').find('input').css('width', $(this).width()+11);});}
				$('input:checkbox',this).each(CheckAdd);
				$('input:radio', this).each(RadioAdd);
				//$('select', this).each(function(index){ SelectAdd(this, index); });
				/* Add a new handler for the reset action */
				$(this).bind('reset',function(){var action = function(){ Reset(this); }; window.setTimeout(action, 10); });
				$('.jNiceHidden').css({opacity:0});
			});		
		};/* End the Plugin */

		var Reset = function(form){
			var sel;
			$('.jNiceSelectWrapper select', form).each(function(){sel = (this.selectedIndex<0) ? 0 : this.selectedIndex; $('ul', $(this).parent()).each(function(){$('a:eq('+ sel +')', this).click();});});
			$('a.jNiceCheckbox, a.jNiceRadio', form).removeClass('jNiceChecked');
			$('input:checkbox, input:radio', form).each(function(){if(this.checked){$('a', $(this).parent()).addClass('jNiceChecked');}});
		};

		var RadioAdd = function(){
			var $input = $(this).addClass('jNiceHidden').wrap('<span class="jRadioWrapper jNiceWrapper"></span>');
			var $wrapper = $input.parent();
			var $a = $('<span class="jNiceRadio"></span>');
			$wrapper.prepend($a);
			/* Click Handler */
			$a.click(function(){
					var $input = $(this).addClass('jNiceChecked').siblings('input').attr('checked',true);
					/* uncheck all others of same name */
					$('input:radio[name="'+ $input.attr('name') +'"]').not($input).each(function(){
						$(this).attr('checked',false).siblings('.jNiceRadio').removeClass('jNiceChecked');
					});
					return false;
			});
			$input.click(function(){
				if(this.checked){
					var $input = $(this).siblings('.jNiceRadio').addClass('jNiceChecked').end();
					/* uncheck all others of same name */
					$('input:radio[name="'+ $input.attr('name') +'"]').not($input).each(function(){
						$(this).attr('checked',false).siblings('.jNiceRadio').removeClass('jNiceChecked');
					});
				}
			}).focus(function(){ $a.addClass('jNiceFocus'); }).blur(function(){ $a.removeClass('jNiceFocus'); });

			/* set the default state */
			if (this.checked){ $a.addClass('jNiceChecked'); }
		};

		var CheckAdd = function(){
			var $input = $(this).addClass('jNiceHidden').wrap('<span class="jCheckboxWrapper jNiceWrapper"></span>');
			var $wrapper = $input.parent().append('<span class="jNiceCheckbox"></span>');
			/* Click Handler */
			var $a = $wrapper.find('.jNiceCheckbox').click(function(){
					var $a = $(this);
					var input = $a.prev('input:first');
					if (input.attr('checked')===true){
						input.attr('checked', false);
						$a.removeClass('jNiceChecked');
					}
					else {
						input.attr('checked', true);
						$a.addClass('jNiceChecked');
					}
					return false;
			});
			$input.click(function(){
				if(this.checked){ $a.addClass('jNiceChecked'); 	}
				else { $a.removeClass('jNiceChecked'); }
			}).focus(function(){ $a.addClass('jNiceFocus'); }).blur(function(){ $a.removeClass('jNiceFocus'); });
			
			/* set the default state */
			if (this.checked){$('.jNiceCheckbox', $wrapper).addClass('jNiceChecked');}
		};

		var TextAdd = function(){
			var $input = $(this).addClass('jNiceInput').wrap('<div class="jNiceInputWrapper"><div class="jNiceInputInner"></div></div>');
			var $wrapper = $input.parents('.jNiceInputWrapper');
			$input.focus(function(){ 
				$wrapper.addClass('jNiceInputWrapper_hover');
			}).blur(function(){
				$wrapper.removeClass('jNiceInputWrapper_hover');
			});
		};

		var ButtonAdd = function(){
			var value = $(this).attr('value');
			$(this).replaceWith('<button id="'+ this.id +'" name="'+ this.name +'" type="'+ this.type +'" class="'+ this.className +'" value="'+ value +'"><span><span>'+ value +'</span></span>');
		};

		/* Hide all open selects */
		var SelectHide = function(){
				$('.jNiceSelectWrapper ul:visible').hide();
		};

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

		var SelectAdd = function(element, index){
			var $select = $(element);
			index = index || $select.css('zIndex')*1;
			index = (index) ? index : 0;
			/* First thing we do is Wrap it */
			$select.wrap($('<div class="jNiceWrapper"></div>').css({zIndex: 100-index}));
			var width = $select.outerWidth(true);
			if(width==0){
				width = $select.attr('width');
			}
			$select.addClass('jNiceHidden').after('<div class="jNiceSelectWrapper"><div><span class="jNiceSelectText"></span><span class="jNiceSelectOpen"></span></div><ul></ul></div>');
			var $wrapper = $(element).siblings('.jNiceSelectWrapper').css({width: width +'px'});
			$('.jNiceSelectText, .jNiceSelectWrapper ul', $wrapper).width( width - $('.jNiceSelectOpen', $wrapper).width());
			/* IF IE 6 */
			if ($.browser.msie && jQuery.browser.version < 7) {
				$select.after($('<iframe src="javascript:\'\';" marginwidth="0" marginheight="0" align="bottom" scrolling="no" tabIndex="-1" frameborder="0"></iframe>').css({ height: $select.height()+4 +'px' }));
			}
			/* Now we add the options */
			SelectUpdate(element);
			/* Apply the click handler to the Open */
			$('div', $wrapper).click(function(){
				var $ul = $(this).siblings('ul');
				if ($ul.css('display')=='none'){ SelectHide(); } /* Check if box is already open to still allow toggle, but close all other selects */
				$ul.slideToggle();
				var offSet = ($('a.selected', $ul).offset().top - $ul.offset().top);
				$ul.animate({scrollTop: offSet});
				return false;
			});
			/* Add the key listener */
			$select.keydown(function(e){
				var selectedIndex = this.selectedIndex;
				switch(e.keyCode){
					case 40: /* Down */
						if (selectedIndex < this.options.length - 1){ selectedIndex+=1; }
						break;
					case 38: /* Up */
						if (selectedIndex > 0){ selectedIndex-=1; }
						break;
					default:
						return;
						break;
				}
				$('ul a', $wrapper).removeClass('selected').eq(selectedIndex).addClass('selected');
				$('span:eq(0)', $wrapper).html($('option:eq('+ selectedIndex +')', $select).attr('selected', 'selected').text());
				return false;
			}).focus(function(){ $wrapper.addClass('jNiceFocus'); }).blur(function(){ $wrapper.removeClass('jNiceFocus'); });
		};

		var SelectUpdate = function(element){
			var $select = $(element);
			var $wrapper = $select.siblings('.jNiceSelectWrapper');
			var $ul = $wrapper.find('ul').find('li').remove().end().hide();
			$('option', $select).each(function(i){
				$ul.append('<li><a href="#" index="'+ i +'">'+ this.text +'</a></li>');
			});
			/* 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 defalut */
			$('a:eq('+ $select[0].selectedIndex +')', $ul).click();
		};

		var SelectRemove = function(element){
			var zIndex = $(element).siblings('.jNiceSelectWrapper').css('zIndex');
			$(element).css({zIndex: zIndex}).removeClass('jNiceHidden');
			$(element).siblings('.jNiceSelectWrapper').remove();
		};

		/* Utilities */
		$.jNice = {
				SelectAdd : function(element, index){ 	SelectAdd(element, index); },
				SelectRemove : function(element){ SelectRemove(element); },
				SelectUpdate : function(element){ SelectUpdate(element); }
		};/* End Utilities */

		/* Automatically apply to any forms with class jNice */
		$(function(){$('.jNice').jNice();	});
	}
	
})(jQuery);