From c8c580bea0ad3212906351db9b121476660ab966 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Tue, 18 Feb 2014 18:34:39 +0000
Subject: [PATCH] Light new JS implementation, initial commit

---
 public/js/helpers.js       |  10 ++
 public/js/icinga.js        | 208 +++++++++++++++++++++++++++++++++++++
 public/js/icinga/logger.js |  96 +++++++++++++++++
 3 files changed, 314 insertions(+)
 create mode 100644 public/js/helpers.js
 create mode 100644 public/js/icinga.js
 create mode 100644 public/js/icinga/logger.js

diff --git a/public/js/helpers.js b/public/js/helpers.js
new file mode 100644
index 000000000..b522c5358
--- /dev/null
+++ b/public/js/helpers.js
@@ -0,0 +1,10 @@
+
+Object.keys = Object.keys || function(o) { 
+    var result = []; 
+    for(var name in o) { 
+        if (o.hasOwnProperty(name)) 
+          result.push(name); 
+    } 
+    return result; 
+};
+
diff --git a/public/js/icinga.js b/public/js/icinga.js
new file mode 100644
index 000000000..31bad4ff0
--- /dev/null
+++ b/public/js/icinga.js
@@ -0,0 +1,208 @@
+/**
+ * Icinga starts here.
+ *
+ * Usage example:
+ *
+ * <code>
+ * var icinga = new Icinga({
+ *   baseUrl: '/icinga',
+ * });
+ * </code>
+ */
+(function() {
+
+  var Icinga = function(config) {
+
+    /**
+     * Our config object
+     */
+    this.config = config;
+
+    /**
+     * Icinga.Logger
+     */
+    this.logger = null;
+
+    /**
+     * Icinga.UI
+     */
+    this.ui = null;
+
+    /**
+     * Icinga.Loader
+     */
+    this.loader = null;
+
+    /**
+     * Icinga.Events
+     */
+    this.events = null;
+
+    /**
+     * Icinga.Timer
+     */
+    this.timer = null;
+
+    /**
+     * Icinga.Utils
+     */
+    this.utils = null;
+
+    /**
+     * Loaded modules
+     */
+    this.modules = {};
+
+    var self = this;
+    $(document).ready(function() {
+      self.initialize();
+      self = null;
+    });
+  };
+
+  Icinga.prototype = {
+
+    /**
+     * Icinga startup, will be triggerd once the document is ready
+     */
+    initialize: function()
+    {
+      $('html').removeClass('no-js').addClass('js');
+
+      this.utils  = new Icinga.Utils(this);
+      this.logger = new Icinga.Logger(this);
+      this.timer  = new Icinga.Timer(this);
+      this.ui     = new Icinga.UI(this);
+      this.loader = new Icinga.Loader(this);
+      this.events = new Icinga.Events(this);
+
+      this.timer.initialize();
+      this.events.initialize();
+      this.ui.initialize();
+      this.loader.initialize();
+      this.logger.setLevel('info');
+      this.logger.info('Icinga is ready');
+      this.timer.register(this.refreshTimeSince, this, 1000);
+    },
+
+    toggleFullscreen: function()
+    {
+        $('#layout').toggleClass('fullscreen');
+        this.ui.fixControls();
+    },
+
+    flipContent: function()
+    {
+        var col1 = $('#col1 > div').detach();
+        var col2 = $('#col2 > div').detach();
+        $('#col2').html('');
+        $('#col1').html('');
+
+        col1.appendTo('#col2');
+        col2.appendTo('#col1');
+        this.ui.fixControls();
+    },
+
+    refreshTimeSince: function()
+    {
+      $('.timesince').each(function(idx, el) {
+        var m = el.innerHTML.match(/^(\d+)m\s(\d+)s/);
+        if (m !== null) {
+          var nm = parseInt(m[1]);
+          var ns = parseInt(m[2]);
+          if (ns < 59) {
+            ns++;
+          } else {
+            ns = 0;
+            nm++;
+          }
+          $(el).html(nm + 'm ' + ns + 's');
+        }
+      });
+    },
+
+    getWindowId: function()
+    {
+      var res = window.name.match(/^Icinga_([a-zA-Z0-9])$/);
+      if (res) {
+        return res[1];
+      }
+      return null;
+    },
+
+    hasWindowId: function()
+    {
+      var res = window.name.match(/^Icinga_([a-zA-Z0-9])$/);
+      return typeof res === 'object';
+    },
+
+    setWindowId: function(id)
+    {
+      window.name = 'Icinga_' + id;
+    },
+
+    /**
+     * Load a given module by name
+     */
+    loadModule: function(name)
+    {
+      if (this.hasModule(name)) {
+        this.logger.error('Cannot load module ' + name + ' twice');
+        return;
+      }
+      this.modules[name] = new Icinga.Module(this, name);
+    },
+
+    /**
+     * Whether a module matching the given name exists
+     */
+    hasModule: function(name)
+    {
+      return typeof this.modules[name] !== 'undefined' ||
+          typeof Icinga.availableModules[name] !== 'undefined';
+    },
+
+    /**
+     * Get a module by name
+     */
+    module: function(name)
+    {
+      if (typeof this.modules[name] === 'undefined') {
+          if (typeof Icinga.availableModules[name] !== 'undefined') {
+              this.modules[name] = new Icinga.Module(
+                  this,
+                  name,
+                  Icinga.availableModules[name]
+              );
+          }
+      }
+      return this.modules[name];
+    },
+
+    /**
+     * Clean up and unload all Icinga components
+     */
+    destroy: function()
+    {
+      $.each(this.modules, function(name, module) {
+        module.destroy();
+      });
+      this.timer.destroy();
+      this.events.destroy();
+      this.loader.destroy();
+      this.ui.destroy();
+      this.logger.debug('Icinga has been destroyed');
+      this.logger.destroy();
+      this.utils.destroy();
+
+      this.modules = [];
+      this.timer = this.events = this.loader = this.ui = this.logger = this.utils = null;
+    }
+  };
+
+  window.Icinga = Icinga;
+
+  Icinga.availableModules = {};
+
+})(window);
+
diff --git a/public/js/icinga/logger.js b/public/js/icinga/logger.js
new file mode 100644
index 000000000..e8a7be909
--- /dev/null
+++ b/public/js/icinga/logger.js
@@ -0,0 +1,96 @@
+(function(Icinga) {
+
+  Icinga.Logger = function(icinga) {
+
+    // Well... we don't really need Icinga right now
+    this.icinga = icinga;
+
+    this.logLevel = 'info';
+
+    this.logLevels = {
+      'debug': 0,
+      'info' : 1,
+      'warn' : 2,
+      'error': 3
+    };
+
+    // Let's get started
+    this.initialize();
+  };
+
+  Icinga.Logger.prototype = {
+
+    /**
+     * Logger initialization
+     */
+    initialize: function()
+    {
+    },
+
+    /**
+     * Whether the browser has a console object
+     */
+    hasConsole: function()
+    {
+      return typeof console !== 'undefined';
+    },
+
+    debug: function(msg)
+    {
+      this.writeToConsole('debug', arguments);
+    },
+
+    setLevel: function(level)
+    {
+      if (this.numericLevel(level) !== 'undefined') {
+        this.logLevel = level;
+      }
+    },
+
+    info: function()
+    {
+      this.writeToConsole('info', arguments);
+    },
+
+    warn: function()
+    {
+      this.writeToConsole('warn', arguments);
+    },
+
+    error: function()
+    {
+      this.writeToConsole('error', arguments);
+    },
+
+    writeToConsole: function(level, args) {
+      args = Array.prototype.slice.call(args);
+      args.unshift(this.icinga.utils.timeWithMs());
+      if (this.hasConsole() && this.hasLogLevel(level)) {
+        console[level].apply(console, args);
+      }
+    },
+
+    numericLevel: function(level)
+    {
+      var ret = this.logLevels[level];
+      if (typeof ret === 'undefined') {
+        throw 'Got invalid log level ' + level;
+      }
+      return ret;
+    },
+
+    hasLogLevel: function(level)
+    {
+      return this.numericLevel(level) >= this.numericLevel(this.logLevel);
+    },
+
+    /**
+     * There isn't much to clean up here
+     */
+    destroy: function() {
+      this.enabled = false;
+      this.icinga = null;
+    }
+  };
+
+}(Icinga));