src/adapter/core/ext-base-dom.js

   1 /*!
   2  * Ext JS Library 3.1.0
   3  * Copyright(c) 2006-2009 Ext JS, LLC
   4  * licensing@extjs.com
   5  * http://www.extjs.com/license
   6  */
   7 (function(){\r
   8         var doc = document,\r
   9                 isCSS1 = doc.compatMode == "CSS1Compat",\r
  10                 MAX = Math.max,         \r
  11         ROUND = Math.round,\r
  12                 PARSEINT = parseInt;\r
  13                 \r
  14         Ext.lib.Dom = {\r
  15             isAncestor : function(p, c) {\r
  16                     var ret = false;\r
  17                         \r
  18                         p = Ext.getDom(p);\r
  19                         c = Ext.getDom(c);\r
  20                         if (p && c) {\r
  21                                 if (p.contains) {\r
  22                                         return p.contains(c);\r
  23                                 } else if (p.compareDocumentPosition) {\r
  24                                         return !!(p.compareDocumentPosition(c) & 16);\r
  25                                 } else {\r
  26                                         while (c = c.parentNode) {\r
  27                                                 ret = c == p || ret;                                    \r
  28                                         }\r
  29                                 }                   \r
  30                         }       \r
  31                         return ret;\r
  32                 },\r
  33                 \r
  34         getViewWidth : function(full) {\r
  35             return full ? this.getDocumentWidth() : this.getViewportWidth();\r
  36         },\r
  37 \r
  38         getViewHeight : function(full) {\r
  39             return full ? this.getDocumentHeight() : this.getViewportHeight();\r
  40         },\r
  41 \r
  42         getDocumentHeight: function() {            \r
  43             return MAX(!isCSS1 ? doc.body.scrollHeight : doc.documentElement.scrollHeight, this.getViewportHeight());\r
  44         },\r
  45 \r
  46         getDocumentWidth: function() {            \r
  47             return MAX(!isCSS1 ? doc.body.scrollWidth : doc.documentElement.scrollWidth, this.getViewportWidth());\r
  48         },\r
  49 \r
  50         getViewportHeight: function(){\r
  51                 return Ext.isIE ? \r
  52                            (Ext.isStrict ? doc.documentElement.clientHeight : doc.body.clientHeight) :\r
  53                            self.innerHeight;\r
  54         },\r
  55 \r
  56         getViewportWidth : function() {\r
  57                 return !Ext.isStrict && !Ext.isOpera ? doc.body.clientWidth :\r
  58                            Ext.isIE ? doc.documentElement.clientWidth : self.innerWidth;\r
  59         },\r
  60         \r
  61         getY : function(el) {\r
  62             return this.getXY(el)[1];\r
  63         },\r
  64 \r
  65         getX : function(el) {\r
  66             return this.getXY(el)[0];\r
  67         },\r
  68 \r
  69         getXY : function(el) {\r
  70             var p, \r
  71                 pe, \r
  72                 b,\r
  73                 bt, \r
  74                 bl,     \r
  75                 dbd,            \r
  76                 x = 0,\r
  77                 y = 0, \r
  78                 scroll,\r
  79                 hasAbsolute, \r
  80                 bd = (doc.body || doc.documentElement),\r
  81                 ret = [0,0];\r
  82                 \r
  83             el = Ext.getDom(el);\r
  84 \r
  85             if(el != bd){\r
  86                     if (el.getBoundingClientRect) {\r
  87                         b = el.getBoundingClientRect();\r
  88                         scroll = fly(document).getScroll();\r
  89                         ret = [ROUND(b.left + scroll.left), ROUND(b.top + scroll.top)];\r
  90                     } else {  \r
  91                             p = el;             \r
  92                             hasAbsolute = fly(el).isStyle("position", "absolute");\r
  93                 \r
  94                             while (p) {\r
  95                                     pe = fly(p);                \r
  96                                 x += p.offsetLeft;\r
  97                                 y += p.offsetTop;\r
  98                 \r
  99                                 hasAbsolute = hasAbsolute || pe.isStyle("position", "absolute");\r
 100                                                 \r
 101                                 if (Ext.isGecko) {                                  \r
 102                                     y += bt = PARSEINT(pe.getStyle("borderTopWidth"), 10) || 0;\r
 103                                     x += bl = PARSEINT(pe.getStyle("borderLeftWidth"), 10) || 0;        \r
 104                 \r
 105                                     if (p != el && !pe.isStyle('overflow','visible')) {\r
 106                                         x += bl;\r
 107                                         y += bt;\r
 108                                     }\r
 109                                 }\r
 110                                 p = p.offsetParent;\r
 111                             }\r
 112                 \r
 113                             if (Ext.isSafari && hasAbsolute) {\r
 114                                 x -= bd.offsetLeft;\r
 115                                 y -= bd.offsetTop;\r
 116                             }\r
 117                 \r
 118                             if (Ext.isGecko && !hasAbsolute) {\r
 119                                 dbd = fly(bd);\r
 120                                 x += PARSEINT(dbd.getStyle("borderLeftWidth"), 10) || 0;\r
 121                                 y += PARSEINT(dbd.getStyle("borderTopWidth"), 10) || 0;\r
 122                             }\r
 123                 \r
 124                             p = el.parentNode;\r
 125                             while (p && p != bd) {\r
 126                                 if (!Ext.isOpera || (p.tagName != 'TR' && !fly(p).isStyle("display", "inline"))) {\r
 127                                     x -= p.scrollLeft;\r
 128                                     y -= p.scrollTop;\r
 129                                 }\r
 130                                 p = p.parentNode;\r
 131                             }\r
 132                             ret = [x,y];\r
 133                     }\r
 134                 }\r
 135             return ret\r
 136         },\r
 137 \r
 138         setXY : function(el, xy) {\r
 139             (el = Ext.fly(el, '_setXY')).position();\r
 140             \r
 141             var pts = el.translatePoints(xy),\r
 142                 style = el.dom.style,\r
 143                 pos;                    \r
 144             \r
 145             for (pos in pts) {              \r
 146                     if(!isNaN(pts[pos])) style[pos] = pts[pos] + "px"\r
 147             }\r
 148         },\r
 149 \r
 150         setX : function(el, x) {\r
 151             this.setXY(el, [x, false]);\r
 152         },\r
 153 \r
 154         setY : function(el, y) {\r
 155             this.setXY(el, [false, y]);\r
 156         }\r
 157     };\r
 158 })();