root / trunk / web / dojo / dojox / layout / ScrollPane.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.layout.ScrollPane"]){ |
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| 9 | dojo._hasResource["dojox.layout.ScrollPane"]=true; |
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| 10 | dojo.provide("dojox.layout.ScrollPane");
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| 11 | dojo.experimental("dojox.layout.ScrollPane");
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| 12 | dojo.require("dijit.layout.ContentPane");
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| 13 | dojo.require("dijit._Templated");
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| 14 | dojo.declare("dojox.layout.ScrollPane",[dijit.layout.ContentPane,dijit._Templated],{_line:null,_lo:null,_offset:15,orientation:"vertical",autoHide:true,templateString:dojo.cache("dojox.layout","resources/ScrollPane.html","<div class=\"dojoxScrollWindow\" dojoAttachEvent=\"onmouseenter: _enter, onmouseleave: _leave\">\n <div class=\"dojoxScrollWrapper\" style=\"${style}\" dojoAttachPoint=\"wrapper\" dojoAttachEvent=\"onmousemove: _calc\">\n\t<div class=\"dojoxScrollPane\" dojoAttachPoint=\"containerNode\"></div>\n </div>\n <div dojoAttachPoint=\"helper\" class=\"dojoxScrollHelper\"><span class=\"helperInner\">|</span></div>\n</div>\n"),resize:function(_1){ |
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| 15 | if(_1){
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| 16 | if(_1.h){
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| 17 | dojo.style(this.domNode,"height",_1.h+"px"); |
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| 18 | } |
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| 19 | if(_1.w){
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| 20 | dojo.style(this.domNode,"width",_1.w+"px"); |
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| 21 | } |
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| 22 | } |
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| 23 | var _2=this._dir,_3=this._vertical,_4=this.containerNode[(_3?"scrollHeight":"scrollWidth")]; |
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| 24 | dojo.style(this.wrapper,this._dir,this.domNode.style[this._dir]); |
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| 25 | this._lo=dojo.coords(this.wrapper,true); |
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| 26 | this._size=Math.max(0,_4-this._lo[(_3?"h":"w")]); |
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| 27 | if(!this._size){ |
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| 28 | this.helper.style.display="none"; |
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| 29 | this.wrapper[this._scroll]=0; |
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| 30 | return;
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| 31 | }else{
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| 32 | this.helper.style.display=""; |
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| 33 | } |
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| 34 | this._line=new dojo._Line(0-this._offset,this._size+(this._offset*2)); |
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| 35 | var u=this._lo[(_3?"h":"w")],r=Math.min(1,u/_4),s=u*r,c=Math.floor(u-(u*r)); |
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| 36 | this._helpLine=new dojo._Line(0,c); |
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| 37 | dojo.style(this.helper,_2,Math.floor(s)+"px"); |
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| 38 | },postCreate:function(){ |
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| 39 | this.inherited(arguments); |
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| 40 | if(this.autoHide){ |
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| 41 | this._showAnim=dojo._fade({node:this.helper,end:0.5,duration:350}); |
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| 42 | this._hideAnim=dojo.fadeOut({node:this.helper,duration:750}); |
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| 43 | } |
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| 44 | this._vertical=(this.orientation=="vertical"); |
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| 45 | if(!this._vertical){ |
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| 46 | dojo.addClass(this.containerNode,"dijitInline"); |
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| 47 | this._dir="width"; |
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| 48 | this._edge="left"; |
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| 49 | this._scroll="scrollLeft"; |
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| 50 | }else{
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| 51 | this._dir="height"; |
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| 52 | this._edge="top"; |
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| 53 | this._scroll="scrollTop"; |
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| 54 | } |
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| 55 | if(this._hideAnim){ |
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| 56 | this._hideAnim.play();
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| 57 | } |
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| 58 | dojo.style(this.wrapper,"overflow","hidden"); |
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| 59 | },_set:function(n){ |
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| 60 | if(!this._size){ |
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| 61 | return;
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| 62 | } |
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| 63 | this.wrapper[this._scroll]=Math.floor(this._line.getValue(n)); |
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| 64 | dojo.style(this.helper,this._edge,Math.floor(this._helpLine.getValue(n))+"px"); |
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| 65 | },_calc:function(e){ |
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| 66 | if(!this._lo){ |
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| 67 | this.resize();
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| 68 | } |
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| 69 | this._set(this._vertical?((e.pageY-this._lo.y)/this._lo.h):((e.pageX-this._lo.x)/this._lo.w)); |
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| 70 | },_enter:function(e){ |
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| 71 | if(this._hideAnim){ |
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| 72 | if(this._hideAnim.status()=="playing"){ |
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| 73 | this._hideAnim.stop();
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| 74 | } |
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| 75 | this._showAnim.play();
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| 76 | } |
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| 77 | },_leave:function(e){ |
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| 78 | if(this._hideAnim){ |
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| 79 | this._hideAnim.play();
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| 80 | } |
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| 81 | }}); |
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| 82 | } |