[atutor.git] / docs / jscripts / infusion / lib / jquery / plugins / tooltip / js / jquery.tooltip.js

(function($){var helper={},current,title,tID,IE=$.browser.msie&&/MSIE\s(5\.5|6\.)/.test(navigator.userAgent),track=false;$.tooltip={blocked:false,defaults:{delay:200,showURL:true,extraClass:"",top:15,left:15,id:"tooltip"},block:function(){$.tooltip.blocked=!$.tooltip.blocked}};$.fn.extend({tooltip:function(settings){settings=$.extend({},$.tooltip.defaults,settings);createHelper(settings);return this.each(function(){$.data(this,"tooltip-settings",settings);this.tooltipText=this.title;$(this).removeAttr("title");this.alt=""}).hover(save,hide).click(hide)},fixPNG:IE?function(){return this.each(function(){var image=$(this).css("backgroundImage");if(image.match(/^url\(["']?(.*\.png)["']?\)$/i)){image=RegExp.$1;$(this).css({backgroundImage:"none",filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='"+image+"')"}).each(function(){var position=$(this).css("position");if(position!="absolute"&&position!="relative"){$(this).css("position","relative")}})}})}:function(){return this},unfixPNG:IE?function(){return this.each(function(){$(this).css({filter:"",backgroundImage:""})})}:function(){return this},hideWhenEmpty:function(){return this.each(function(){$(this)[$(this).html()?"show":"hide"]()})},url:function(){return this.attr("href")||this.attr("src")}});function createHelper(settings){if(helper.parent){return }helper.parent=$('<div id="'+settings.id+'"><h3></h3><div class="body"></div><div class="url"></div></div>').appendTo(document.body).hide();if($.fn.bgiframe){helper.parent.bgiframe()}helper.title=$("h3",helper.parent);helper.body=$("div.body",helper.parent);helper.url=$("div.url",helper.parent)}function settings(element){return $.data(element,"tooltip-settings")}function handle(event){if(settings(this).delay){tID=setTimeout(show,settings(this).delay)}else{show()}track=!!settings(this).track;$(document.body).bind("mousemove",update);update(event)}function save(){if($.tooltip.blocked||this==current||(!this.tooltipText&&!settings(this).bodyHandler)){return }current=this;title=this.tooltipText;if(settings(this).bodyHandler){helper.title.hide();var bodyContent=settings(this).bodyHandler.call(this);if(bodyContent.nodeType||bodyContent.jquery){helper.body.empty().append(bodyContent)}else{helper.body.html(bodyContent)}helper.body.show()}else{if(settings(this).showBody){var parts=title.split(settings(this).showBody);helper.title.html(parts.shift()).show();helper.body.empty();for(var i=0,part;part=parts[i];i++){if(i>0){helper.body.append("<br/>")}helper.body.append(part)}helper.body.hideWhenEmpty()}else{helper.title.html(title).show();helper.body.hide()}}if(settings(this).showURL&&$(this).url()){helper.url.html($(this).url().replace("http://","")).show()}else{helper.url.hide()}helper.parent.addClass(settings(this).extraClass);if(settings(this).fixPNG){helper.parent.fixPNG()}handle.apply(this,arguments)}function show(){tID=null;helper.parent.show();update()}function update(event){if($.tooltip.blocked){return }if(!track&&helper.parent.is(":visible")){$(document.body).unbind("mousemove",update)}if(current==null||!settings(current)){return }helper.parent.removeClass("viewport-right").removeClass("viewport-bottom");var left=helper.parent[0].offsetLeft;var top=helper.parent[0].offsetTop;if(event){left=event.pageX+settings(current).left;top=event.pageY+settings(current).top;helper.parent.css({left:left+"px",top:top+"px"})}var v=viewport(),h=helper.parent[0];if(v.x+v.cx<h.offsetLeft+h.offsetWidth){left-=h.offsetWidth+20+settings(current).left;helper.parent.css({left:left+"px"}).addClass("viewport-right")}if(v.y+v.cy<h.offsetTop+h.offsetHeight){top-=h.offsetHeight+20+settings(current).top;helper.parent.css({top:top+"px"}).addClass("viewport-bottom")}}function viewport(){return{x:$(window).scrollLeft(),y:$(window).scrollTop(),cx:$(window).width(),cy:$(window).height()}}function hide(event){if($.tooltip.blocked){return }if(tID){clearTimeout(tID)}current=null;helper.parent.hide().removeClass(settings(this).extraClass);if(settings(this).fixPNG){helper.parent.unfixPNG()}}$.fn.Tooltip=$.fn.tooltip})(jQuery);