1 files changed, 197 insertions, 0 deletions
diff --git a/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/html/ScrollIntoView.js b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/html/ScrollIntoView.js
new file mode 100644
index 0000000000..bb01b7658d
--- /dev/null
+++ b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/html/ScrollIntoView.js
@@ -0,0 +1,197 @@
+/* ************************************************************************
+
+   qooxdoo - the new era of web development
+
+   http://qooxdoo.org
+
+   Copyright:
+     2004-2007 1&1 Internet AG, Germany, http://www.1and1.org
+
+   License:
+     LGPL: http://www.gnu.org/licenses/lgpl.html
+     EPL: http://www.eclipse.org/org/documents/epl-v10.php
+     See the LICENSE file in the project's top-level directory for details.
+
+   Authors:
+     * Sebastian Werner (wpbasti)
+     * Andreas Ecker (ecker)
+
+************************************************************************ */
+
+/* ************************************************************************
+
+#module(ui_core)
+#require(qx.html.Style)
+
+************************************************************************ */
+
+/**
+ * Functions to scroll DOM elements into the visible area of the parent element
+ */
+qx.OO.defineClass("qx.html.ScrollIntoView");
+
+// Internet Explorer has invented scrollIntoView, but does not behave the same like in Mozilla (which would be better)
+// Mozilla has a native well working method scrollIntoView
+// Safari does not support scrollIntoView (but it can be found in Webkit since May 2005)
+// Opera does not support scrollIntoView
+
+/** the documents body tag name */
+qx.dom.BODY_TAG_NAME = "body";
+
+
+/**
+ * Scroll the parent DOM element so that the element's so that the x coordinate is inside
+ * the visible area of the parent.
+ *
+ * @param vElement {Element} DOM node to be scrolled into view
+ * @param vAlignLeft {Boolean} whether the element should be left aligned
+ */
+qx.html.ScrollIntoView.scrollX = function(vElement, vAlignLeft)
+{
+  var vParentWidth, vParentScrollLeft, vWidth, vHasScroll;
+
+  var vParent = vElement.parentNode;
+  var vOffset = vElement.offsetLeft;
+  var vWidth = vElement.offsetWidth;
+
+  while(vParent)
+  {
+    switch(qx.html.Style.getStyleProperty(vParent, "overflow"))
+    {
+      case "scroll":
+      case "auto":
+      case "-moz-scrollbars-horizontal":
+        vHasScroll = true;
+        break;
+
+      default:
+        switch(qx.html.Style.getStyleProperty(vParent, "overflowX"))
+        {
+          case "scroll":
+          case "auto":
+            vHasScroll = true;
+            break;
+
+          default:
+            vHasScroll = false;
+        }
+    }
+
+    if (vHasScroll)
+    {
+      vParentWidth = vParent.clientWidth;
+      vParentScrollLeft = vParent.scrollLeft;
+
+      if (vAlignLeft)
+      {
+        vParent.scrollLeft = vOffset;
+      }
+      else if (vAlignLeft == false)
+      {
+        vParent.scrollLeft = vOffset + vWidth - vParentWidth;
+      }
+      else if (vWidth > vParentWidth || vOffset < vParentScrollLeft)
+      {
+        vParent.scrollLeft = vOffset;
+      }
+      else if ((vOffset + vWidth) > (vParentScrollLeft + vParentWidth))
+      {
+        vParent.scrollLeft = vOffset + vWidth - vParentWidth;
+      }
+
+      vOffset = vParent.offsetLeft;
+      vWidth = vParent.offsetWidth;
+    }
+    else
+    {
+      vOffset += vParent.offsetLeft;
+    }
+
+    if (vParent.tagName.toLowerCase() == qx.dom.BODY_TAG_NAME) {
+      break;
+    }
+
+    vParent = vParent.parentNode;
+  }
+
+  return true;
+}
+
+
+/**
+ * Scroll the parent DOM element so that the element's so that the y coordinate is inside
+ * the visible area of the parent.
+ *
+ * @param vElement {Element} DOM node to be scrolled into view
+ * @param vAlignTop {Boolean} whether the element should be top aligned
+ */
+qx.html.ScrollIntoView.scrollY = function(vElement, vAlignTop)
+{
+  var vParentHeight, vParentScrollTop, vHeight, vHasScroll;
+
+  var vParent = vElement.parentNode;
+  var vOffset = vElement.offsetTop;
+  var vHeight = vElement.offsetHeight;
+
+  while(vParent)
+  {
+    switch(qx.html.Style.getStyleProperty(vParent, "overflow"))
+    {
+      case "scroll":
+      case "auto":
+      case "-moz-scrollbars-vertical":
+        vHasScroll = true;
+        break;
+
+      default:
+        switch(qx.html.Style.getStyleProperty(vParent, "overflowY"))
+        {
+          case "scroll":
+          case "auto":
+            vHasScroll = true;
+            break;
+
+          default:
+            vHasScroll = false;
+        }
+    }
+
+    if (vHasScroll)
+    {
+      vParentHeight = vParent.clientHeight;
+      vParentScrollTop = vParent.scrollTop;
+
+      if (vAlignTop)
+      {
+        vParent.scrollTop = vOffset;
+      }
+      else if (vAlignTop == false)
+      {
+        vParent.scrollTop = vOffset + vHeight - vParentHeight;
+      }
+      else if (vHeight > vParentHeight || vOffset < vParentScrollTop)
+      {
+        vParent.scrollTop = vOffset;
+      }
+      else if ((vOffset + vHeight) > (vParentScrollTop + vParentHeight))
+      {
+        vParent.scrollTop = vOffset + vHeight - vParentHeight;
+      }
+
+      vOffset = vParent.offsetTop;
+      vHeight = vParent.offsetHeight;
+    }
+    else
+    {
+      vOffset += vParent.offsetTop;
+    }
+
+    if (vParent.tagName.toLowerCase() == qx.dom.BODY_TAG_NAME) {
+      break;
+    }
+
+    vParent = vParent.parentNode;
+  }
+
+  return true;
+}