gistfile1.txt

(function( $ ){
	var rinput = /^(?:color|date|datetime|datetime-local|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
		rCRLF = /\r?\n/g,
		rselectTextarea = /^(?:select|textarea)/i;

	$.prototype.serialize = function(args){
		var options = args || {};
		return this.map(function(){
			return this.elements ? jQuery.makeArray( this.elements ) : this;
		})
		.filter(function(){
			return this.name && !this.disabled &&
				( this.checked || rselectTextarea.test( this.nodeName ) ||
					rinput.test( this.type ) );
		})
		.map(function( i, elem ){
			var $elem = $(this);
			var val = $elem.val();
			if (options.ignoreEmpty && !val){
				return false;
			}
			var hasChanged = (function(nodeName){
				switch (nodeName){
					case 'INPUT':
						return $elem.wayinInputBox('hasChanged');
					break;
					case 'TEXTAREA':
						return $elem.wayinTextarea('hasChanged');
					break;
				}
			})(elem.nodeName);

			return val == null ?
				null :
				$.isArray( val ) ?
					$.map( val, function( val, i ){
						return { name: elem.name, value: val.replace( rCRLF, "\r\n" ), hasChanged: hasChanged };
					}) :
					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ), hasChanged: hasChanged };
		}).get();
	};

	var WayinInputBox = {
		defaults: {
			labelPosition:'outside',
			showMaxVal: true
		},
		init: function(options){
			return this.each(function(){
				var $input = $(this),
					data = $input.data('wayinInputBox'),
					settings = $.extend(WayinInputBox.defaults, options);

				var label = $input.prev('label');
				if (settings.labelPosition === 'inside'){
					$input.attr('placeholder', label.text());
					label.remove();
				}
				if (!data){

				}
				
				$input.data('initialValue', $input.val());
			});
		},
		hasChanged: function(){
			return $(this).data('initialValue') !== $(this).val();
		}
	};

	var WayinRadio = {
		defaults: {

		},
		init: function(options){
			return this.each(function(){
				var $radio = $(this);
				$radio.data('initialValue', $radio.val());
			});
		}
	};

	var WayinCheckBox = {
		defaults: {

		},
		init: function(options){
			return this.each(function(){
				var $checkbox = $(this);
				$checkbox.data('initialValue', $checkbox.val());
			});
		}
	};

	var WayinTextarea = {
		defaults: {

		},
		init: function(options){
			return this.each(function(){
				var $textarea = $(this);
				$textarea.data('initialValue', $textarea.val());
			});
		}
	};

	var WayinSelectList = {
		defaults: {

		},
		init: function(options){
			return this.each(function(){
				var $select = $(this);
				$select.data('initialValue', $select.val());
			});
		}
	};

	var WayinForm = {
		defaults: {
			version: '1.0'
		},
		inputs: function(){

		},
		init : function( options ) {
			return this.each(function(){
				var $form = $(this),
             		data = $form.data('wayinForm'),
             	 	settings = $.extend(WayinForm.defaults, options);

             	$form.addClass('wayinForm');

             	$('input:not(:checkbox,:radio)', $form).wayinInputBox();
             	$('input:checkbox', $form).wayinCheckBox();
             	$('input:radio', $form).wayinRadio();
				$('textarea', $form).wayinTextarea();
				$('select', $form).wayinSelectList();

             	if (!data) {
             		$form.data('wayinForm', {
             			target: $form,
             			settings: settings
             		});
             	}
			});
		},
		destroy : function( ) {
			return this.each(function(){
				var $form = $(this),
             		data = $form.data('wayinForm');

		         // Namespacing FTW
		         $(window).unbind('.wayinForm');
		         data.wayinForm.remove();
		         $form.removeData('wayinForm');
			});
		}
	};
	
	$.fn.wayinInputBox = function( method ) {
		if ( WayinInputBox[method] ) {
			return WayinInputBox[method].apply( this, Array.prototype.slice.call( arguments, 1 ));
		} else if ( typeof method === 'object' || ! method ) {
			return WayinInputBox.init.apply( this, arguments );
		} else {
			$.error( 'Method ' +  method + ' does not exist on jQuery.wayinInputBox' );
		}    
  	};

  	$.fn.wayinCheckBox = function( method ) {
		if ( WayinCheckBox[method] ) {
			return WayinCheckBox[method].apply( this, Array.prototype.slice.call( arguments, 1 ));
		} else if ( typeof method === 'object' || ! method ) {
			return WayinCheckBox.init.apply( this, arguments );
		} else {
			$.error( 'Method ' +  method + ' does not exist on jQuery.wayinCheckBox' );
		}    
  	};

  	$.fn.wayinRadio = function( method ) {
		if ( WayinRadio[method] ) {
			return WayinRadio[method].apply( this, Array.prototype.slice.call( arguments, 1 ));
		} else if ( typeof method === 'object' || ! method ) {
			return WayinRadio.init.apply( this, arguments );
		} else {
			$.error( 'Method ' +  method + ' does not exist on jQuery.wayinRadio' );
		}    
  	};

  	$.fn.wayinTextarea = function( method ) {
		if ( WayinTextarea[method] ) {
			return WayinTextarea[method].apply( this, Array.prototype.slice.call( arguments, 1 ));
		} else if ( typeof method === 'object' || ! method ) {
			return WayinTextarea.init.apply( this, arguments );
		} else {
			$.error( 'Method ' +  method + ' does not exist on jQuery.wayinTextarea' );
		}    
  	};

  	$.fn.wayinSelectList = function( method ) {
		if ( WayinSelectList[method] ) {
			return WayinSelectList[method].apply( this, Array.prototype.slice.call( arguments, 1 ));
		} else if ( typeof method === 'object' || ! method ) {
			return WayinSelectList.init.apply( this, arguments );
		} else {
			$.error( 'Method ' +  method + ' does not exist on jQuery.wayinSelectList' );
		}    
  	};


	$.fn.wayinForm = function( method ) {
		if ( WayinForm[method] ) {
			return WayinForm[method].apply(this, Array.prototype.slice.call( arguments, 1 ));
		} else if ( typeof method === 'object' || ! method ) {
			return WayinForm.init.apply( this, arguments );
		} else {
			$.error( 'Method ' +  method + ' does not exist on jQuery.wayinForm' );
		}    
  	};
})( jQuery );