jQuerybt气泡实现悬停显示及移开隐藏功能的方法

").append(XMLHttpRequest.responseText.replace(//g,"")).find(selector):XMLHttpRequest.responseText;}else{if(textStatus=="timeout"){ajaxTimeout=true;}cOntent=opts.ajaxError.replace(/%error/g,XMLHttpRequest.statusText);}if($(target).hasClass("bt-active")){target.btOn();}}},opts.ajaxOpts);jQuery.ajax(ajaxOpts);cOntent=opts.ajaxLoading;}}var shadowMarginX=0;var shadowMarginY=0;var shadowShiftX=0;var shadowShiftY=0;if(opts.shadow&&!shadowSupport()){opts.shadow=false;jQuery.extend(opts,opts.noShadowOpts);}if(opts.shadow){if(opts.shadowBlur>Math.abs(opts.shadowOffsetX)){shadowMarginX=opts.shadowBlur*2;}else{shadowMarginX=opts.shadowBlur+Math.abs(opts.shadowOffsetX);}shadowShiftX=(opts.shadowBlur-opts.shadowOffsetX)>0&＃63;opts.shadowBlur-opts.shadowOffsetX:0;if(opts.shadowBlur>Math.abs(opts.shadowOffsetY)){shadowMarginY=opts.shadowBlur*2;}else{shadowMarginY=opts.shadowBlur+Math.abs(opts.shadowOffsetY);}shadowShiftY=(opts.shadowBlur-opts.shadowOffsetY)>0&＃63;opts.shadowBlur-opts.shadowOffsetY:0;}if(opts.offsetParent){var offsetParent=$(opts.offsetParent);var offsetParentPos=offsetParent.offset();var pos=$(this).offset();var top=numb(pos.top)-numb(offsetParentPos.top)+numb($(this).css("margin-top"))-shadowShiftY;var left=numb(pos.left)-numb(offsetParentPos.left)+numb($(this).css("margin-left"))-shadowShiftX;}else{var offsetParent=($(this).css("position")=="absolute")&＃63;$(this).parents().eq(0).offsetParent():$(this).offsetParent();var pos=$(this).btPosition();var top=numb(pos.top)+numb($(this).css("margin-top"))-shadowShiftY;var left=numb(pos.left)+numb($(this).css("margin-left"))-shadowShiftX;}var object"){var original=content;var clOne=$(original).clone(true).show();var origClOnes=$(original).data("bt-clones")||[];origClones.push(clone);$(original).data("bt-clones",origClones);$(clone).data("bt-orig",original);$(this).data("bt-content-orig",{original:original,clone:clone});cOntent=clone;}if(typeof cOntent=="null"||cOntent==""){return;}var $text=$('').append(content).css({padding:opts.padding,position:"absolute",width:(opts.shrinkToFit&＃63;"auto":opts.width),zIndex:opts.textzIndex,left:shadowShiftX,top:shadowShiftY}).css(opts.cssStyles);var $box=$('').append($text).addClass(opts.cssClass).css({position:"absolute",width:opts.width,zIndex:opts.wrapperzIndex,visibility:"hidden"}).appendTo(offsetParent);if(jQuery.fn.bgiframe){$text.bgiframe();$box.bgiframe();}$(this).data("bt-box",$box);var scrollTop=numb($(document).scrollTop());var scrollLeft=numb($(document).scrollLeft());var doc").split(",");}if(opts.positions[0]=="most"){var position="top";for(var pig in space){position=space[pig]>space[position]&＃63;pig:position;}}else{for(var x in opts.positions){var position=opts.positions[x];if((position=="left"||position=="right")&&space[position]>textOutWidth+opts.spikeLength){break;}else{if((position=="top"||position=="bottom")&&space[position]>textOutHeight+opts.spikeLength){break;}}}}var horiz=left+((width-textOutWidth)*0.5);var vert=top+((height-textOutHeight)*0.5);var points=new Array();var textTop,textLeft,textRight,textBottom,textTopSpace,textBottomSpace,textLeftSpace,textRightSpace,crossPoint,textCenter,spikePoint;switch(position){case"top":$text.css("margin-bottom",opts.spikeLength+"px");$box.css({top:(top-$text.outerHeight(true))+opts.overlap,left:horiz});textRightSpace=(winRight-opts.windowMargin)-($text.offset().left+$text.btOuterWidth(true));var xShift=shadowShiftX;if(textRightSpace<0){$box.css("left",(numb($box.css("left"))+textRightSpace)+"px");xShift-=textRightSpace;}textLeftSpace=($text.offset().left+numb($text.css("margin-left")))-(scrollLeft+opts.windowMargin);if(textLeftSpace<0){$box.css("left",(numb($box.css("left"))-textLeftSpace)+"px");xShift+=textLeftSpace;}textTop=$text.btPosition().top+numb($text.css("margin-top"));textLeft=$text.btPosition().left+numb($text.css("margin-left"));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={y:textBottom+opts.spikeLength,x:((textRight-textLeft)*0.5)+xShift,type:"spike"};crossPoint=findIntersectX(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textBottom);crossPoint.x=crossPoint.x(textRight-opts.spikeGirth/2)-opts.cornerRadius&＃63;(textRight-opts.spikeGirth/2)-opts.CornerRadius:crossPoint.x;points[points.length]={x:crossPoint.x-(opts.spikeGirth/2),y:textBottom,type:"join"};points[points.length]={x:textLeft,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textBottom,type:"corner"};points[points.length]={x:crossPoint.x+(opts.spikeGirth/2),y:textBottom,type:"join"};points[points.length]=spikePoint;break;case"left":$text.css("margin-right",opts.spikeLength+"px");$box.css({top:vert+"px",left:((left-$text.btOuterWidth(true))+opts.overlap)+"px"});textBottomSpace=(winBottom-opts.windowMargin)-($text.offset().top+$text.outerHeight(true));var yShift=shadowShiftY;if(textBottomSpace<0){$box.css("top",(numb($box.css("top"))+textBottomSpace)+"px");yShift-=textBottomSpace;}textTopSpace=($text.offset().top+numb($text.css("margin-top")))-(scrollTop+opts.windowMargin);if(textTopSpace<0){$box.css("top",(numb($box.css("top"))-textTopSpace)+"px");yShift+=textTopSpace;}textTop=$text.btPosition().top+numb($text.css("margin-top"));textLeft=$text.btPosition().left+numb($text.css("margin-left"));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:textRight+opts.spikeLength,y:((textBottom-textTop)*0.5)+yShift,type:"spike"};crossPoint=findIntersectY(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textRight);crossPoint.y=crossPoint.y(textBottom-opts.spikeGirth/2)-opts.cornerRadius&＃63;(textBottom-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.y;points[points.length]={x:textRight,y:crossPoint.y+opts.spikeGirth/2,type:"join"};points[points.length]={x:textRight,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textTop,type:"corner"};points[points.length]={x:textRight,y:crossPoint.y-opts.spikeGirth/2,type:"join"};points[points.length]=spikePoint;break;case"bottom":$text.css("margin-top",opts.spikeLength+"px");$box.css({top:(top+height)-opts.overlap,left:horiz});textRightSpace=(winRight-opts.windowMargin)-($text.offset().left+$text.btOuterWidth(true));var xShift=shadowShiftX;if(textRightSpace<0){$box.css("left",(numb($box.css("left"))+textRightSpace)+"px");xShift-=textRightSpace;}textLeftSpace=($text.offset().left+numb($text.css("margin-left")))-(scrollLeft+opts.windowMargin);if(textLeftSpace<0){$box.css("left",(numb($box.css("left"))-textLeftSpace)+"px");xShift+=textLeftSpace;}textTop=$text.btPosition().top+numb($text.css("margin-top"));textLeft=$text.btPosition().left+numb($text.css("margin-left"));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:((textRight-textLeft)*0.5)+xShift,y:shadowShiftY,type:"spike"};crossPoint=findIntersectX(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textTop);crossPoint.x=crossPoint.x(textRight-opts.spikeGirth/2)-opts.cornerRadius&＃63;(textRight-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.x;points[points.length]={x:crossPoint.x+opts.spikeGirth/2,y:textTop,type:"join"};points[points.length]={x:textRight,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textTop,type:"corner"};points[points.length]={x:crossPoint.x-(opts.spikeGirth/2),y:textTop,type:"join"};points[points.length]=spikePoint;break;case"right":$text.css("margin-left",(opts.spikeLength+"px"));$box.css({top:vert+"px",left:((left+width)-opts.overlap)+"px"});textBottomSpace=(winBottom-opts.windowMargin)-($text.offset().top+$text.outerHeight(true));var yShift=shadowShiftY;if(textBottomSpace<0){$box.css("top",(numb($box.css("top"))+textBottomSpace)+"px");yShift-=textBottomSpace;}textTopSpace=($text.offset().top+numb($text.css("margin-top")))-(scrollTop+opts.windowMargin);if(textTopSpace<0){$box.css("top",(numb($box.css("top"))-textTopSpace)+"px");yShift+=textTopSpace;}textTop=$text.btPosition().top+numb($text.css("margin-top"));textLeft=$text.btPosition().left+numb($text.css("margin-left"));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:shadowShiftX,y:((textBottom-textTop)*0.5)+yShift,type:"spike"};crossPoint=findIntersectY(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textLeft);crossPoint.y=crossPoint.y(textBottom-opts.spikeGirth/2)-opts.cornerRadius&＃63;(textBottom-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.y;points[points.length]={x:textLeft,y:crossPoint.y-opts.spikeGirth/2,type:"join"};points[points.length]={x:textLeft,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:crossPoint.y+opts.spikeGirth/2,type:"join"};points[points.length]=spikePoint;break;}var canvas=document.createElement("canvas");$(canvas).attr("width",(numb($text.btOuterWidth(true))+opts.strokeWidth*2+shadowMarginX)).attr("height",(numb($text.outerHeight(true))+opts.strokeWidth*2+shadowMarginY)).appendTo($box).css({position:"absolute",zIndex:opts.boxzIndex});if(typeof G_vmlCanvasManager!="undefined"){canvas=G_vmlCanvasManager.initElement(canvas);}if(opts.cornerRadius>0){var newPoints=new Array();var newPoint;for(var i=0;i0){$box.css("top",(numb($box.css("top"))-(opts.shadowOffsetX+opts.shadowBlur-shadowOverlap)));}break;case"right":if(shadowShiftX-shadowOverlap>0){$box.css("left",(numb($box.css("left"))+shadowShiftX-shadowOverlap));}break;case"bottom":if(shadowShiftY-shadowOverlap>0){$box.css("top",(numb($box.css("top"))+shadowShiftY-shadowOverlap));}break;case"left":if(opts.shadowOffsetY+opts.shadowBlur-shadowOverlap>0){$box.css("left",(numb($box.css("left"))-(opts.shadowOffsetY+opts.shadowBlur-shadowOverlap)));}break;}}drawIt.apply(ctx,[points],opts.strokeWidth);ctx.fillrgba(0, 0, 0, 0)";ctx.line,visibility:"visible"});opts.showTip.apply(this,[$box[0]]);if(opts.overlay){var overlay=$('

').css({position:"absolute",backgroundColor:"blue",top:top,left:left,width:width,height:height,opacity:".2"}).appendTo(offsetParent);$(this).data("overlay",overlay);}if((opts.ajaxPath!=null&&opts.ajaxCache==false)||ajaxTimeout){cOntent=false;}if(opts.clickAnywhereToClose){jQuery.bt.vars.clickAnywhereStack.push(this);$(document).click(jQuery.bt.docClick);}if(opts.closeWhenOthersOpen){jQuery.bt.vars.closeWhenOpenStack.push(this);}opts.postShow.apply(this,[$box[0]]);};this.btOff=function(){var box=$(this).data("bt-box");opts.preHide.apply(this,[box]);var i=this;i.btCleanup=function(){var box=$(i).data("bt-box");var cOntentOrig=$(i).data("bt-content-orig");var overlay=$(i).data("bt-overlay");if(typeof box=="object"){$(box).remove();$(i).removeData("bt-box");}if(typeof cOntentOrig=="object"){var clOnes=$(contentOrig.original).data("bt-clones");$(contentOrig).data("bt-clones",arrayRemove(clones,contentOrig.clone));}if(typeof overlay=="object"){$(overlay).remove();$(i).removeData("bt-overlay");}jQuery.bt.vars.clickAnywhereStack=arrayRemove(jQuery.bt.vars.clickAnywhereStack,i);jQuery.bt.vars.closeWhenOpenStack=arrayRemove(jQuery.bt.vars.closeWhenOpenStack,i);$(i).removeClass("bt-active "+opts.activeClass);opts.postHide.apply(i);};opts.hideTip.apply(this,[box,i.btCleanup]);};var refresh=this.btRefresh=function(){this.btOff();this.btOn();};});function drawIt(points,strokeWidth){this.moveTo(points[0].x,points[0].y);for(i=1;i=3.1){return true;}}}catch(err){}return false;}function betweenPoint(point1,point2,dist){var y,x;if(point1.x==point2.x){y=point1.yarcEnd.y){startAngle=(Math.PI/180)*180;endAngle=(Math.PI/180)*90;}else{startAngle=(Math.PI/180)*90;endAngle=0;}}else{if(arcStart.y>arcEnd.y){startAngle=(Math.PI/180)*270;endAngle=(Math.PI/180)*180;}else{startAngle=0;endAngle=(Math.PI/180)*270;}}return{x:x,y:y,type:"center",startAngle:startAngle,endAngle:endAngle};}function findIntersect(r1x1,r1y1,r1x2,r1y2,r2x1,r2y1,r2x2,r2y2){if(r2x1==r2x2){return findIntersectY(r1x1,r1y1,r1x2,r1y2,r2x1);}if(r2y1==r2y2){return findIntersectX(r1x1,r1y1,r1x2,r1y2,r2y1);}var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var r2m=(r2y1-r2y2)/(r2x1-r2x2);var r2b=r2y1-(r2m*r2x1);var x=(r2b-r1b)/(r1m-r2m);var y=r1m*x+r1b;return{x:x,y:y};}function findIntersectY(r1x1,r1y1,r1x2,r1y2,x){if(r1y1==r1y2){return{x:x,y:r1y1};}var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var y=r1m*x+r1b;return{x:x,y:y};}function findIntersectX(r1x1,r1y1,r1x2,r1y2,y){if(r1x1==r1x2){return{x:r1x1,y:y};}var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var x=(y-r1b)/r1m;return{x:x,y:y};}};jQuery.fn.btPosition=function(){function num(elem,prop){return elem[0]&&parseInt(jQuery.curCSS(elem[0],prop,true),10)||0;}var left=0,top=0,results;if(this[0]){var offsetParent=this.offsetParent(),offset=this.offset(),parentOffset=/^body|html$/i.test(offsetParent[0].tagName)&＃63;{top:0,left:0}:offsetParent.offset();offset.top-=num(this,"marginTop");offset.left-=num(this,"marginLeft");parentOffset.top+=num(offsetParent,"borderTopWidth");parentOffset.left+=num(offsetParent,"borderLeftWidth");results={top:offset.top-parentOffset.top,left:offset.left-parentOffset.left};}return results;};jQuery.fn.btOuter|0;}return this["innerWidth"]()+num(this,"borderLeftWidth")+num(this,"borderRightWidth")+(margin&＃63;num(this,"marginLeft")+num(this,"marginRight"):0);};jQuery.fn.btOn=function(){return this.each(function(index){if(jQuery.isFunction(this.btOn)){this.btOn();}});};jQuery.fn.btOff=function(){return this.each(function(index){if(jQuery.isFunction(this.btOff)){this.btOff();}});};jQuery.bt.vars={clickAnywhereStack:[],closeWhenOpenStack:[]};jQuery.bt.docClick=function(e){if(!e){var e=window.event;}if(!$(e.target).parents().andSelf().filter(".bt-wrapper, .bt-active").length&&jQuery.bt.vars.clickAnywhereStack.length){$(jQuery.bt.vars.clickAnywhereStack).btOff();$(document).unbind("click",jQuery.bt.docClick);}};jQuery.bt.defaults={trigger:"hover",clickAnywhereToClose:true,closeWhenOthersOpen:false,shrinkToFit:false,width:"200px",padding:"10px",spikeGirth:10,spikeLength:15,overlap:0,overlay:false,killTitle:true,textzIndex:9999,boxzIndex:9998,wrapperzIndex:9997,offsetParent:null,positions:["most"],fill:"rgb(255, 255, 102)",windowMargin:10,strokeWidth:1,strokeStyle:"#000",cornerRadius:5,centerPointX:0.5,centerPointY:0.5,shadow:false,shadowOffsetX:2,shadowOffsetY:2,shadowBlur:3,shadowColor:"#000",shadowOverlap:false,noShadowOpts:{strokeStyle:"#999"},cssClass:"",cssStyles:{},activeClass:"bt-active",contentSelector:"$(this).attr('title')",ajaxPath:null,ajaxError:"ERROR: %error",ajaxLoading:"Loading...",ajaxData:{},ajaxType:"GET",ajaxCache:true,ajaxOpts:{},preBuild:function(){},preShow:function(box){},showTip:function(box){$(box).show();},postShow:function(box){},preHide:function(box){},hideTip:function(box,callback){$(box).hide();callback();},postHide:function(){},hoverIntentOpts:{interval:300,timeout:500}};jQuery.bt.optiOns={};})(jQuery);