app/soc/content/js/melange-091015.js
changeset 3039 14194c0b3cd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/soc/content/js/melange-091015.js	Sun Oct 25 19:09:38 2009 +0000
@@ -0,0 +1,312 @@
+/* Copyright 2009 the Melange authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * @author <a href="mailto:fadinlight@gmail.com">Mario Ferraro</a>
+ */
+
+(function () {
+  /** @lends melange */
+
+  /** General melange package.
+    * @name melange
+    * @namespace melange
+    */
+  var melange = window.melange = function () {
+    return new melange();
+  };
+
+  if (window.jQuery === undefined) {
+    throw new Error("jQuery package must be loaded exposing jQuery namespace");
+  }
+
+  if (window.JSON === undefined) {
+    throw new Error("json2 package must be loaded exposing JSON namespace");
+  }
+
+  /** Shortcut to current package.
+    * @private
+    */
+  var $m = melange;
+
+  /** Contains general configuration for melange package.
+    * @variable
+    * @public
+    * @name melange.config
+    */
+  $m.config = {};
+
+  (function () {
+    var configuration =
+      jQuery("script[melangeConfig][src$='melange.js']").attr("melangeConfig");
+    if (configuration) {
+      var configuration_object = JSON.parse("{ " + configuration + " }");
+      jQuery.extend($m.config, configuration_object);
+    }
+  }());
+
+  /** Shortcut to clone objects using jQuery.
+    * @function
+    * @public
+    * @name melange.clone
+    * @param {Object} object the object to clone
+    * @returns {Object} a new, cloned object
+    */
+  $m.clone = function (object) {
+    // clone object, see
+    // http://stackoverflow.com/questions/122102/
+    // what-is-the-most-efficent-way-to-clone-a-javascript-object
+    return jQuery.extend(true, {}, object);
+  };
+
+  /** Set melange general options.
+    * @function
+    * @public
+    * @name melange.setOptions
+    * @param {Object} options Options to set/unset
+    */
+  $m.setOptions = function (options) {
+    switch (options.debug) {
+    case true:
+      $m.logging.setDebug();
+      break;
+    case false:
+      $m.logging.unsetDebug();
+      break;
+    default:
+      $m.logging.setDebug();
+    }
+    if (options.debugLevel) {
+      $m.logging.setDebugLevel(options.debugLevel);
+    }
+  };
+
+  /** Facility to load google API.
+    * @function
+    * @public
+    * @name melange.loadGoogleApi
+    * @param {String} modulename Google Ajax module to load
+    * @param {String|Number} moduleversion Google Ajax module version to load
+    * @param {Object} settings Google Ajax settings for the module
+    * @param {Function} callback to be called as soon as module is loaded
+    */
+  $m.loadGoogleApi = function (modulename, moduleversion, settings, callback) {
+
+    if (!modulename || !moduleversion) {
+      throw new TypeError("modulename must be defined");
+    }
+
+    /** Options to be sent to google.load constructor
+      * @private
+      * @name melange.loadGoogleApi.options
+      */
+    var options = {
+      name : modulename,
+      version : moduleversion,
+      settings : settings
+    };
+    jQuery.extend(options.settings, {callback: callback});
+    google.load(options.name, options.version, options.settings);
+  };
+
+  (function () {
+    /** @lends melange.error */
+
+    /** Package that handles melange errors
+      * @namespace melange.error
+      */
+    melange.error = window.melange.error = function () {
+      return new melange.error();
+    };
+
+    /** Shortcut to current package.
+      * @property
+      * @private
+      */
+    var $m = melange.error;
+
+    /** List of default custom error types to be created.
+      * @property
+      * @private
+      */
+    var error_types = [
+      "DependencyNotSatisfied",
+      "notImplementedByChildClass"
+    ];
+
+    /** Create errors
+      * @function
+      * @public
+      * @name melange.error.createErrors
+      * @param {String[]} error_types Array of strings with errors names
+      */
+    $m.createErrors = function (error_types) {
+      jQuery.each(error_types, function () {
+        melange.error[this] = Error;
+      });
+    };
+
+    $m.createErrors(error_types);
+  }());
+
+  (function () {
+    /** @lends melange.logging */
+
+    /** Package that contains all log related functions.
+      * @name melange.logging
+      * @namespace melange.logging
+      */
+    melange.logging = window.melange.logging = function () {
+      return new melange.logging();
+    };
+
+    /** Shortcut to current package.
+      * @property
+      * @private
+      */
+    var $m = melange.logging;
+    /** @private */
+    var debug = false;
+    /** @private */
+    var current_debug_level = 5;
+
+    /** Set debug logging on.
+      * @function
+      * @public
+      * @name melange.logging.setDebug
+      */
+    $m.setDebug = function () {
+      debug = true;
+    };
+
+    /** Set debug logging off.
+      * @function
+      * @public
+      * @name melange.logging.unsetDebug
+      */
+    $m.unsetDebug = function () {
+      debug = false;
+    };
+
+    /** Check if debug is active.
+      * @function
+      * @public
+      * @name melange.logging.isDebug
+      * @returns {boolean} true if debug is on, false otherwise
+      */
+    $m.isDebug = function () {
+      return debug ? true : false;
+    };
+
+    /** Set the current debug level.
+      * @function
+      * @public
+      * @name melange.logging.setDebugLevel
+      * @param level The log level to set
+      * @throws {TypeError} if the parameter given is not a number
+      */
+    $m.setDebugLevel = function (level) {
+      if (isNaN(level)) {
+        throw new melange.error.TypeError(
+          "melange.logging.setDebugLevel: parameter must be a number"
+        );
+      }
+      if (level <= 0) {
+        level = 1;
+      }
+      if (level >= 6) {
+        level = 5;
+      }
+      current_debug_level = level;
+    };
+
+    /** Get the current debug level.
+      * @function
+      * @public
+      * @name melange.logging.getDebugLevel
+      * @returns {Number} The current debug level
+      */
+    $m.getDebugLevel = function () {
+      return current_debug_level;
+    };
+
+    /** A decorator for logging.
+      * @function
+      * @public
+      * @name melange.logging.debugDecorator
+      * @param {Object} object_to_decorate The Function/Object to decorate
+      * @returns {Object} Same object,decorated with log(level,message) func
+    */
+    $m.debugDecorator = function (object_to_decorate) {
+      /** Function to handle output of logs.
+        * @function
+        * @name melange.logging.debugDecorator.log
+        * @param level The log level
+        * @param message The string
+        */
+      object_to_decorate.log = function (level, message) {
+          if (melange.logging.isDebug() && current_debug_level >= level) {
+            console.debug(message);
+          }
+        };
+      return object_to_decorate;
+    };
+  }());
+
+  (function () {
+    /** @lends melange.templates */
+
+    /** Package that provides basic templates functions
+      * @name melange.templates
+      * @namespace melange.templates
+      */
+    melange.templates = window.melange.templates = function () {
+      return new melange.templates();
+    };
+
+    /** Shortcut to current package
+      * @private
+      */
+    var $m = melange.logging.debugDecorator(melange.templates);
+
+    melange.error.createErrors([
+    ]);
+
+    /** Parent prototype for all templates
+      * @class
+      * @constructor
+      * @name melange.templates._baseTemplate
+      * @public
+      */
+    $m._baseTemplate = function () {
+      this.context = {};
+      var configuration = jQuery("script[melangeContext]")[0];
+      if (configuration !== undefined) {
+        configuration = jQuery(configuration).attr("melangeContext");
+        if (configuration) {
+          /* FIXME: json2 doesn't parse the object if they have k:"v" instead
+             of "k":"v", but this is not what gviz outputs, we need to change
+             gviz source or hack json2 source or use another method. eval()
+             must be not used anyway
+          */
+          /*jslint evil: true,undef: false */
+          eval("var configuration_object = " + configuration);
+          jQuery.extend(this.context, configuration_object);
+          /*jslint evil: false,undef: true */
+        }
+      }
+    };
+  }());
+}());
+window.melange = window.melange.logging.debugDecorator(window.melange);