it/itf/static/js/jScrollPane-1.2.3.min.js
2010-03-03 19:58:00 +05:30

1 line
6.0 KiB
JavaScript

(function(A){A.jScrollPane={active:[]};A.fn.jScrollPane=function(C){C=A.extend({},A.fn.jScrollPane.defaults,C);var B=function(){return false};return this.each(function(){var O=A(this);O.css("overflow","hidden");var X=this;if(A(this).parent().is(".jScrollPaneContainer")){var Ac=C.maintainPosition?O.position().top:0;var L=A(this).parent();var d=L.innerWidth();var Ad=L.outerHeight();var M=Ad;A(">.jScrollPaneTrack, >.jScrollArrowUp, >.jScrollArrowDown",L).remove();O.css({top:0})}else{var Ac=0;this.originalPadding=O.css("paddingTop")+" "+O.css("paddingRight")+" "+O.css("paddingBottom")+" "+O.css("paddingLeft");this.originalSidePaddingTotal=(parseInt(O.css("paddingLeft"))||0)+(parseInt(O.css("paddingRight"))||0);var d=O.innerWidth();var Ad=O.innerHeight();var M=Ad;O.wrap(A("<div></div>").attr({className:"jScrollPaneContainer"}).css({height:Ad+"px",width:d+"px"}));A(document).bind("emchange",function(Ae,Af,p){O.jScrollPane(C)})}if(C.reinitialiseOnImageLoad){var N=A.data(X,"jScrollPaneImagesToLoad")||A("img",O);var G=[];if(N.length){N.each(function(p,Ae){A(this).bind("load",function(){if(A.inArray(p,G)==-1){G.push(Ae);N=A.grep(N,function(Ag,Af){return Ag!=Ae});A.data(X,"jScrollPaneImagesToLoad",N);C.reinitialiseOnImageLoad=false;O.jScrollPane(C)}}).each(function(Af,Ag){if(this.complete||this.complete===undefined){this.src=this.src}})})}}var o=this.originalSidePaddingTotal;var l={height:"auto",width:d-C.scrollbarWidth-C.scrollbarMargin-o+"px"};if(C.scrollbarOnLeft){l.paddingLeft=C.scrollbarMargin+C.scrollbarWidth+"px"}else{l.paddingRight=C.scrollbarMargin+"px"}O.css(l);var m=O.outerHeight();var i=Ad/m;if(i<0.99){var H=O.parent();H.append(A("<div></div>").attr({className:"jScrollPaneTrack"}).css({width:C.scrollbarWidth+"px"}).append(A("<div></div>").attr({className:"jScrollPaneDrag"}).css({width:C.scrollbarWidth+"px"}).append(A("<div></div>").attr({className:"jScrollPaneDragTop"}).css({width:C.scrollbarWidth+"px"}),A("<div></div>").attr({className:"jScrollPaneDragBottom"}).css({width:C.scrollbarWidth+"px"}))));var z=A(">.jScrollPaneTrack",H);var P=A(">.jScrollPaneTrack .jScrollPaneDrag",H);if(C.showArrows){var g;var Ab;var S;var r;var j=function(){if(r>4||r%4==0){y(u+Ab*b)}r++};var K=function(p){A("html").unbind("mouseup",K);g.removeClass("jScrollActiveArrowButton");clearInterval(S)};var Z=function(){A("html").bind("mouseup",K);g.addClass("jScrollActiveArrowButton");r=0;j();S=setInterval(j,100)};H.append(A("<a></a>").attr({href:"javascript:;",className:"jScrollArrowUp"}).css({width:C.scrollbarWidth+"px"}).html("Scroll up").bind("mousedown",function(){g=A(this);Ab=-1;Z();this.blur();return false}).bind("click",B),A("<a></a>").attr({href:"javascript:;",className:"jScrollArrowDown"}).css({width:C.scrollbarWidth+"px"}).html("Scroll down").bind("mousedown",function(){g=A(this);Ab=1;Z();this.blur();return false}).bind("click",B));var Q=A(">.jScrollArrowUp",H);var J=A(">.jScrollArrowDown",H);if(C.arrowSize){M=Ad-C.arrowSize-C.arrowSize;z.css({height:M+"px",top:C.arrowSize+"px"})}else{var s=Q.height();C.arrowSize=s;M=Ad-s-J.height();z.css({height:M+"px",top:s+"px"})}}var w=A(this).css({position:"absolute",overflow:"visible"});var D;var Y;var b;var u=0;var V=i*Ad/2;var a=function(Ae,Ag){var Af=Ag=="X"?"Left":"Top";return Ae["page"+Ag]||(Ae["client"+Ag]+(document.documentElement["scroll"+Af]||document.body["scroll"+Af]))||0};var f=function(){return false};var v=function(){n();D=P.offset(false);D.top-=u;Y=M-P[0].offsetHeight;b=2*C.wheelSpeed*Y/m};var E=function(p){v();V=a(p,"Y")-u-D.top;A("html").bind("mouseup",T).bind("mousemove",h);if(A.browser.msie){A("html").bind("dragstart",f).bind("selectstart",f)}return false};var T=function(){A("html").unbind("mouseup",T).unbind("mousemove",h);V=i*Ad/2;if(A.browser.msie){A("html").unbind("dragstart",f).unbind("selectstart",f)}};var y=function(Ae){Ae=Ae<0?0:(Ae>Y?Y:Ae);u=Ae;P.css({top:Ae+"px"});var Af=Ae/Y;w.css({top:((Ad-m)*Af)+"px"});O.trigger("scroll");if(C.showArrows){Q[Ae==0?"addClass":"removeClass"]("disabled");J[Ae==Y?"addClass":"removeClass"]("disabled")}};var h=function(p){y(a(p,"Y")-D.top-V)};var q=Math.max(Math.min(i*(Ad-C.arrowSize*2),C.dragMaxHeight),C.dragMinHeight);P.css({height:q+"px"}).bind("mousedown",E);var k;var R;var I;var t=function(){if(R>8||R%4==0){y((u-((u-I)/2)))}R++};var Aa=function(){clearInterval(k);A("html").unbind("mouseup",Aa).unbind("mousemove",e)};var e=function(p){I=a(p,"Y")-D.top-V};var U=function(p){v();e(p);R=0;A("html").bind("mouseup",Aa).bind("mousemove",e);k=setInterval(t,100);t()};z.bind("mousedown",U);H.bind("mousewheel",function(Ae,Ag){v();n();var Af=u;y(u-Ag*b);var p=Af!=u;return !p});var F;var W;function c(){var p=(F-u)/C.animateStep;if(p>1||p<-1){y(u+p)}else{y(F);n()}}var n=function(){if(W){clearInterval(W);delete F}};var x=function(Af,p){if(typeof Af=="string"){$e=A(Af,O);if(!$e.length){return}Af=$e.offset().top-O.offset().top}H.scrollTop(0);n();var Ae=-Af/(Ad-m)*Y;if(p||!C.animateTo){y(Ae)}else{F=Ae;W=setInterval(c,C.animateInterval)}};O[0].scrollTo=x;O[0].scrollBy=function(Ae){var p=-parseInt(w.css("top"))||0;x(p+Ae)};v();x(-Ac,true);A("*",this).bind("focus",function(Ah){var Ag=A(this);var Aj=0;while(Ag[0]!=O[0]){Aj+=Ag.position().top;Ag=Ag.offsetParent()}var p=-parseInt(w.css("top"))||0;var Ai=p+Ad;var Af=Aj>p&&Aj<Ai;if(!Af){var Ae=Aj-C.scrollbarMargin;if(Aj>p){Ae+=A(this).height()+15+C.scrollbarMargin-Ad}x(Ae)}});if(location.hash){x(location.hash)}A(document).bind("click",function(Ae){$target=A(Ae.target);if($target.is("a")){var p=$target.attr("href");if(p.substr(0,1)=="#"){x(p)}}});A.jScrollPane.active.push(O[0])}else{O.css({height:Ad+"px",width:d-this.originalSidePaddingTotal+"px",padding:this.originalPadding});O.parent().unbind("mousewheel")}})};A.fn.jScrollPane.defaults={scrollbarWidth:10,scrollbarMargin:5,wheelSpeed:18,showArrows:false,arrowSize:0,animateTo:false,dragMinHeight:1,dragMaxHeight:99999,animateInterval:100,animateStep:3,maintainPosition:true,scrollbarOnLeft:false,reinitialiseOnImageLoad:false};A(window).bind("unload",function(){var C=A.jScrollPane.active;for(var B=0;B<C.length;B++){C[B].scrollTo=C[B].scrollBy=null}})})(jQuery);