Just commiting current state of my work on the 'dataview' (grid), does NOT do anything usefull right now

etemplate/js/et2_dataview_view_container.js

@@ -0,0 +1,94 @@
+/**
+ * eGroupWare eTemplate2 - Class which contains the "row" base class
+ *
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package etemplate
+ * @subpackage dataview
+ * @link http://www.egroupware.org
+ * @author Andreas Stöckel
+ * @copyright Stylite 2011
+ * @version $Id$
+ */
+
+"use strict"
+
+/*egw:uses
+	et2_dataview_interfaces;
+*/
+
+var et2_dataview_container = Class.extend({
+
+	init: function(_data, _invalidationElem) {
+		this._dataProvider = _data;
+		this._invalidationElem = _invalidationElem;
+
+		this._node = null;
+	},
+
+	setJNode: function(_node) {
+		// Replace the old node with the new one
+		if (this._node[0].parent)
+		{
+			this._node.replaceWith(_node);
+		}
+
+		this._node = _node;
+	},
+
+	getJNode: function() {
+		return this._node;
+	},
+
+	invalidate: function() {
+		this._invalidationElem.invalidate();
+	}
+
+});
+
+/**
+ * Returns the height of the container in pixels and zero if the element is not
+ * visible. The height is clamped to positive values.
+ * The browser switch is placed at this position as the getHeight function is one
+ * of the mostly called functions in the whole grid code and should stay
+ * quite fast.
+ */
+if ($j.browser.mozilla)
+{
+	et2_dataview_container.prototype.getHeight = function()
+	{
+		if (this.node)
+		{
+			// Firefox sometimes provides fractional pixel values - we are
+			// forced to use those - we can obtain the fractional pixel height
+			// by using the window.getComputedStyle function
+			var compStyle = getComputedStyle(this._node, null);
+			if (compStyle)
+			{
+				var styleHeightStr = compStyle.getPropertyValue("height");
+				var height = parseFloat(styleHeightStr.substr(0, styleHeightStr.length - 2));
+
+				if (isNaN(height) || height < 1)
+				{
+					height = false;
+				}
+			}
+
+			return height;
+		}
+
+		return 0;
+	}
+}
+else
+{
+	et2_dataview_container.prototype.getHeight = function()
+	{
+		if (this.node)
+		{
+			return this._node.offsetHeight;
+		}
+
+		return 0;
+	}
+}
+