1 files changed, 89 insertions, 0 deletions
diff --git a/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/lang/Number.js b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/lang/Number.js
new file mode 100644
index 0000000000..b90fce337f
--- /dev/null
+++ b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/lang/Number.js
@@ -0,0 +1,89 @@
+/* ************************************************************************
+
+   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)
+
+************************************************************************ */
+
+/* ************************************************************************
+
+
+************************************************************************ */
+
+/**
+ * Helper functions for numbers.
+ *
+ * The native JavaScript Number is not modified by this class.
+ *
+ * The additions implemented here may be added directly to the native Number
+ * by a setting in {@link qx.lang.Prototypes}. This feature is not enabled by
+ * default.
+ */
+qx.OO.defineClass("qx.lang.Number");
+
+/**
+ * Check whether the number is in a given range
+ *
+ * @param nr {Number} the number to check
+ * @param vmin {Integer} lower bound of the range
+ * @param vmax {Integer} upper bound of the range
+ * @return {Boolean} whether the number is >= vmin and <= vmax
+ */
+qx.lang.Number.isInRange = function(nr, vmin, vmax) {
+  return nr >= vmin && nr <= vmax;
+};
+
+
+/**
+ * Check whether the number is between a given range
+ *
+ * @param nr {Number} the number to check
+ * @param vmin {Integer} lower bound of the range
+ * @param vmax {Integer} upper bound of the range
+ * @return {Boolean} whether the number is > vmin and < vmax
+ */
+qx.lang.Number.isBetweenRange = function(nr, vmin, vmax) {
+  return nr > vmin && nr < vmax;
+};
+
+
+/**
+ * Limit the nuber to a given range
+ *
+ * * If the number is greater than the upper bound, the upper bound is returned
+ * * If the number is smaller than the lower bound, the lower bound is returned
+ * * If the number is in the range, the number is retuned
+ *
+ * @param nr {Number} the number to limit
+ * @param vmin {Integer} lower bound of the range
+ * @param vmax {Integer} upper bound of the range
+ * @return {Integer} the limited number
+ */
+qx.lang.Number.limit = function(nr, vmin, vmax)
+{
+  if (typeof vmax === "number" && nr > vmax)
+  {
+    return vmax;
+  }
+  else if (typeof vmin === "number" && nr < vmin)
+  {
+    return vmin;
+  }
+  else
+  {
+    return nr;
+  }
+};