1 files changed, 126 insertions, 0 deletions
diff --git a/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/lang/Function.js b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/lang/Function.js
new file mode 100644
index 0000000000..efeccbd592
--- /dev/null
+++ b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/lang/Function.js
@@ -0,0 +1,126 @@
+/* ************************************************************************
+
+   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(core)
+
+************************************************************************ */
+
+
+/**
+ * Collection of helper methods operatinf on functions.
+ */
+qx.OO.defineClass("qx.lang.Function");
+
+
+
+
+
+/*
+---------------------------------------------------------------------------
+  SIMPLE RETURN METHODS
+---------------------------------------------------------------------------
+*/
+
+/**
+ * Simply return true.
+ *
+ * @return {Boolean} Always returns true.
+ */
+qx.lang.Function.returnTrue = function() {
+  return true;
+};
+
+
+/**
+ * Simply return false.
+ *
+ * @return {Boolean} Always returns false.
+ */
+
+qx.lang.Function.returnFalse = function() {
+  return false;
+};
+
+
+/**
+ * Simply return null.
+ *
+ * @return {var} Always returns null.
+ */
+
+qx.lang.Function.returnNull = function() {
+  return null;
+};
+
+
+/**
+ * Return "this".
+ *
+ * @return {Object} Always returns "this".
+ */
+qx.lang.Function.returnThis = function() {
+  return this;
+};
+
+
+/**
+ * Used to return a refernce to an singleton. Classes which should act as singletons can use this
+ * function to implement the "getInstance" methods.
+ *
+ * @returns {Object} Singleton instance of the class this method is bound to.
+ */
+qx.lang.Function.returnInstance = function()
+{
+  if (!this._instance)
+  {
+    this._instance = new this;
+
+    /*
+    if (this._instance.debug) {
+      this._instance.debug("Created...");
+    }*/
+  }
+
+  return this._instance;
+};
+
+
+/**
+ * Simply return 0.
+ *
+ * @return {Number} Always returns 0.
+ */
+
+qx.lang.Function.returnZero = function() {
+  return 0;
+};
+
+
+/**
+ * Simply return a negative index (-1).
+ *
+ * @return {Number} Always returns -1.
+ */
+
+qx.lang.Function.returnNegativeIndex = function() {
+  return -1;
+};