44 lines
1.7 KiB
JavaScript
44 lines
1.7 KiB
JavaScript
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//>>built
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define("dojox/fx/scroll", ["dojo/_base/kernel","dojo/_base/lang", "dojo/_base/fx", "dojox/fx/_base","dojox/fx/_core","dojo/dom-geometry","dojo/_base/sniff"],
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function (kernel, lang, baseFx, fxExt, Line, domGeom, has){
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kernel.experimental("dojox.fx.scroll");
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var fx = lang.getObject("dojox.fx",true);
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fxExt.smoothScroll = function(/* Object */args){
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// summary: Returns an animation that will smooth-scroll to a node
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// description: This implementation support either horizontal or vertical scroll, as well as
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// both. In addition, element in iframe can be scrolled to correctly.
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// offset: {x: int, y: int} this will be added to the target position
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// duration: Duration of the animation in milliseconds.
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// win: a node or window object to scroll
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if(!args.target){ args.target = domGeom.position(args.node); }
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var isWindow = lang[(has("ie") ? "isObject" : "isFunction")](args["win"].scrollTo),
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delta = { x: args.target.x, y: args.target.y }
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;
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if(!isWindow){
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var winPos = domGeom.position(args.win);
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delta.x -= winPos.x;
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delta.y -= winPos.y;
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}
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var _anim = (isWindow) ?
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(function(val){
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args.win.scrollTo(val[0],val[1]);
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}) :
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(function(val){
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args.win.scrollLeft = val[0];
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args.win.scrollTop = val[1];
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});
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var anim = new baseFx.Animation(lang.mixin({
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beforeBegin: function(){
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if(this.curve){ delete this.curve; }
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var current = isWindow ? dojo._docScroll() : {x: args.win.scrollLeft, y: args.win.scrollTop};
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anim.curve = new Line([current.x,current.y],[current.x + delta.x, current.y + delta.y]);
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},
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onAnimate: _anim
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},args));
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return anim; // dojo.Animation
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};
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fx.smoothScroll = fxExt.smoothScroll;
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return fxExt.smoothScroll;
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});
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