lib/dijit/_base/place.js

   1 /*
   2         Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dijit._base.place"]){
   9 dojo._hasResource["dijit._base.place"]=true;
  10 dojo.provide("dijit._base.place");
  11 dojo.require("dojo.window");
  12 dojo.require("dojo.AdapterRegistry");
  13 dijit.getViewport=function(){
  14 return dojo.window.getBox();
  15 };
  16 dijit.placeOnScreen=function(_1,_2,_3,_4){
  17 var _5=dojo.map(_3,function(_6){
  18 var c={corner:_6,pos:{x:_2.x,y:_2.y}};
  19 if(_4){
  20 c.pos.x+=_6.charAt(1)=="L"?_4.x:-_4.x;
  21 c.pos.y+=_6.charAt(0)=="T"?_4.y:-_4.y;
  22 }
  23 return c;
  24 });
  25 return dijit._place(_1,_5);
  26 };
  27 dijit._place=function(_7,_8,_9){
  28 var _a=dojo.window.getBox();
  29 if(!_7.parentNode||String(_7.parentNode.tagName).toLowerCase()!="body"){
  30 dojo.body().appendChild(_7);
  31 }
  32 var _b=null;
  33 dojo.some(_8,function(_c){
  34 var _d=_c.corner;
  35 var _e=_c.pos;
  36 if(_9){
  37 _9(_7,_c.aroundCorner,_d);
  38 }
  39 var _f=_7.style;
  40 var _10=_f.display;
  41 var _11=_f.visibility;
  42 _f.visibility="hidden";
  43 _f.display="";
  44 var mb=dojo.marginBox(_7);
  45 _f.display=_10;
  46 _f.visibility=_11;
  47 var _12=Math.max(_a.l,_d.charAt(1)=="L"?_e.x:(_e.x-mb.w)),_13=Math.max(_a.t,_d.charAt(0)=="T"?_e.y:(_e.y-mb.h)),_14=Math.min(_a.l+_a.w,_d.charAt(1)=="L"?(_12+mb.w):_e.x),_15=Math.min(_a.t+_a.h,_d.charAt(0)=="T"?(_13+mb.h):_e.y),_16=_14-_12,_17=_15-_13,_18=(mb.w-_16)+(mb.h-_17);
  48 if(_b==null||_18<_b.overflow){
  49 _b={corner:_d,aroundCorner:_c.aroundCorner,x:_12,y:_13,w:_16,h:_17,overflow:_18};
  50 }
  51 return !_18;
  52 });
  53 _7.style.left=_b.x+"px";
  54 _7.style.top=_b.y+"px";
  55 if(_b.overflow&&_9){
  56 _9(_7,_b.aroundCorner,_b.corner);
  57 }
  58 return _b;
  59 };
  60 dijit.placeOnScreenAroundNode=function(_19,_1a,_1b,_1c){
  61 _1a=dojo.byId(_1a);
  62 var _1d=_1a.style.display;
  63 _1a.style.display="";
  64 var _1e=dojo.position(_1a,true);
  65 _1a.style.display=_1d;
  66 return dijit._placeOnScreenAroundRect(_19,_1e.x,_1e.y,_1e.w,_1e.h,_1b,_1c);
  67 };
  68 dijit.placeOnScreenAroundRectangle=function(_1f,_20,_21,_22){
  69 return dijit._placeOnScreenAroundRect(_1f,_20.x,_20.y,_20.width,_20.height,_21,_22);
  70 };
  71 dijit._placeOnScreenAroundRect=function(_23,x,y,_24,_25,_26,_27){
  72 var _28=[];
  73 for(var _29 in _26){
  74 _28.push({aroundCorner:_29,corner:_26[_29],pos:{x:x+(_29.charAt(1)=="L"?0:_24),y:y+(_29.charAt(0)=="T"?0:_25)}});
  75 }
  76 return dijit._place(_23,_28,_27);
  77 };
  78 dijit.placementRegistry=new dojo.AdapterRegistry();
  79 dijit.placementRegistry.register("node",function(n,x){
  80 return typeof x=="object"&&typeof x.offsetWidth!="undefined"&&typeof x.offsetHeight!="undefined";
  81 },dijit.placeOnScreenAroundNode);
  82 dijit.placementRegistry.register("rect",function(n,x){
  83 return typeof x=="object"&&"x" in x&&"y" in x&&"width" in x&&"height" in x;
  84 },dijit.placeOnScreenAroundRectangle);
  85 dijit.placeOnScreenAroundElement=function(_2a,_2b,_2c,_2d){
  86 return dijit.placementRegistry.match.apply(dijit.placementRegistry,arguments);
  87 };
  88 dijit.getPopupAroundAlignment=function(_2e,_2f){
  89 var _30={};
  90 dojo.forEach(_2e,function(pos){
  91 switch(pos){
  92 case "after":
  93 _30[_2f?"BR":"BL"]=_2f?"BL":"BR";
  94 break;
  95 case "before":
  96 _30[_2f?"BL":"BR"]=_2f?"BR":"BL";
  97 break;
  98 case "below":
  99 _30[_2f?"BL":"BR"]=_2f?"TL":"TR";
 100 _30[_2f?"BR":"BL"]=_2f?"TR":"TL";
 101 break;
 102 case "above":
 103 default:
 104 _30[_2f?"TL":"TR"]=_2f?"BL":"BR";
 105 _30[_2f?"TR":"TL"]=_2f?"BR":"BL";
 106 break;
 107 }
 108 });
 109 return _30;
 110 };
 111 }