globalMessage.js WIP

globalMessage.js

(function($){
	
	var methods = {
		init: function(options) {
			
			log("init");
			
			var $this = this;
			var opts = $.extend({}, $.fn.globalMessage.defaults, options);
			var data = $this.data('globalMessage');
			
			// init global data
			if ( ! data ) {
				$this.data('globalMessage', {
					settings : opts
				});
				
				$(window).bind("scroll.globalMessage", function() {
					
					$this.css("top", $(window).scrollTop());
					
				});
				
				$this.bind('click.globalMessage', methods.hide);
				
			}
			
			return $this;
			
		},
		show: function(options) {
			
			var $this = this;
			var data = $this.data('globalMessage');
			var opts = $.extend({}, data.settings, options);
			
			log("show - adding class " + opts.style);
			$this.addClass(opts.style);
			
			log("show: class = " + $this.attr("class"));
			
			$this.html(opts.message);
			
			log("show: msg = " + opts.message);
			
			if(opts.sticky) {
				$this.fadeIn(opts.inSpeed);
				
			} else {
				$this.fadeIn(opts.inSpeed)
					.delay(opts.duration)
					.fadeOut(opts.outSpeed, function() {
						// reset classes
						methods.hide(opts);
						
					});
				
			}
			
			return $this;
			
		},
		hide: function(opts) { // internal, can't override options
			
			log("hide - removing class " + opts.style);
			$this.hide().removeClass(opts.style);
			return $this;
			
		},
		destroy: function() {
			$(window).unbind("scroll.globalMessage");
			$this.unbind("click.globalMessage");
		}
		
	};
	
	$.fn.globalMessage = function(method) {
		
		// Method calling logic
		if ( methods[method] ) {
			// existing method found
			log("invoked: existing method found - " + method);
			return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 ));
			
		} else if ( typeof method === 'object' || ! method ) {
			// no method passed/found, run init
			log("invoked: no method found/passed - running init...");
			return methods.init.apply( this, arguments );
			
		} else {
			// method not found 
			log("invoked: no method found");
			$.error( 'Method ' +  method + ' does not exist on jQuery.globalMessage');
			
		}
		
	};
	
	function log(msg) {
		if (window.console && window.console.log)
		window.console.log("globalMessage::" + msg);
	};
	
	$.fn.globalMessage.defaults = {
		style: "info",
		message: "A message in a top-of-browser-clinging memo box.",
		inSpeed: 200,
		outSpeed: 500,
		duration: 5000,
		sticky: false,
		debug: true
	};
	$.fn.globalMessage.opts = {};
	
	// ideas for future: 
	// waiting for other msgs, multiple/stacked msgs
	// tiny pulsation at beginning to grab attention
	
})(jQuery);

$(document).ready(function() {
	
	// USAGE
	
	// // init
	// $(".globalMessageWrap").globalMessage();
	// 
	// // show
	// $(".globalMessageWrap").globalMessage("show", {
	// 	message: "This will show for 10 seconds, then disappear.", 
	// 	style: "info", 
	// 	sticky: false,
	// 	inSpeed: 1000,
	// 	outSpeed: 1000,
	// 	duration: 10000
	// });
	
});