1 files changed, 122 insertions, 0 deletions
diff --git a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/dom/ElementFromPoint.js b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/dom/ElementFromPoint.js
new file mode 100644
index 0000000000..8d8e4c0fd3
--- /dev/null
+++ b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/dom/ElementFromPoint.js
@@ -0,0 +1,122 @@
+/* ************************************************************************
+
+   qooxdoo - the new era of web development
+
+   http://qooxdoo.org
+
+   Copyright:
+     2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org
+
+   License:
+     LGPL 2.1: http://www.gnu.org/licenses/lgpl.html
+
+   Authors:
+     * Sebastian Werner (wpbasti)
+     * Andreas Ecker (ecker)
+
+************************************************************************ */
+
+/* ************************************************************************
+
+
+************************************************************************ */
+
+qx.OO.defineClass("qx.dom.ElementFromPoint");
+
+qx.dom.ElementFromPoint.getElementFromPoint = function(x, y) {
+  return qx.dom.ElementFromPoint.getElementFromPointHandler(document.body, x, y);
+}
+
+qx.dom.ElementFromPoint.getElementFromPointHandler = function(node, x, y, recursive)
+{
+  var ch = node.childNodes;
+  var chl = ch.length-1;
+
+  if (chl < 0) {
+    return null;
+  }
+
+  var chc, subres, ret;
+
+  do
+  {
+    chc = ch[chl];
+    ret = qx.dom.ElementFromPoint.getElementFromPointChecker(chc, x, y);
+
+    if (ret)
+    {
+      if (typeof recursive === "boolean" && recursive == false)
+      {
+        return chc;
+      }
+      else
+      {
+        subres = qx.dom.ElementFromPoint.getElementFromPointHandler(chc, x-ret[0]-qx.dom.Style.getBorderLeft(chc), y-ret[2]-qx.dom.Style.getBorderTop(chc));
+        return subres ? subres : chc;
+      }
+    }
+  }
+  while(chl--);
+
+  return null;
+}
+
+qx.dom.ElementFromPoint.getElementFromPointChecker = function(chc, x, y)
+{
+  var xstart, ystart, xstop, ystop;
+
+  if (chc.nodeType != 1) {
+    return false;
+  }
+
+  xstart = qx.dom.Offset.getLeft(chc);
+  if (x > xstart)
+  {
+    ystart = qx.dom.Offset.getTop(chc);
+    if (y > ystart)
+    {
+      xstop = xstart + chc.offsetWidth;
+
+      if (x < xstop)
+      {
+        ystop = ystart + chc.offsetHeight;
+        if (y < ystop)
+        {
+          return [ xstart, xstop, ystart, ystop ];
+        }
+      }
+    }
+  }
+
+  return false;
+}
+
+qx.dom.ElementFromPoint.getElementAbsolutePointChecker = function(chc, x, y)
+{
+  var xstart, ystart, xstop, ystop;
+
+  if (!chc || chc.nodeType != 1) {
+    return false;
+  }
+
+  xstart = qx.dom.Location.getPageBoxLeft(chc);
+  if (x > xstart)
+  {
+    ystart = qx.dom.Location.getPageBoxTop(chc);
+    if (y > ystart)
+    {
+      xstop = xstart + chc.offsetWidth;
+
+      if (x < xstop)
+      {
+        ystop = ystart + chc.offsetHeight;
+        if (y < ystop)
+        {
+          return [ xstart, xstop, ystart, ystop ];
+        }
+      }
+    }
+  }
+
+  return false;
+}