Added files

mongoui/mongoui-master/node_modules/derby/lib/component.js

@@ -0,0 +1,117 @@
+var EventEmitter = require('events').EventEmitter
+  , path = require('path')
+  , merge = require('racer').util.merge
+  , View = require('./View')
+  , arraySlice = Array.prototype.slice
+
+module.exports = componentPlugin;
+
+function componentPlugin(derby) {
+  derby._libraries = [];
+  derby._libraries.map = {};
+  derby.createLibrary = createLibrary;
+}
+componentPlugin.decorate = 'derby';
+
+
+var componentProto = Object.create(EventEmitter.prototype);
+
+componentProto.emitCancellable = function() {
+  var cancelled = false
+    , args = arraySlice.call(arguments)
+
+  function cancel() {
+    cancelled = true;
+  }
+
+  args.push(cancel);
+  this.emit.apply(this, args);
+  return cancelled;
+};
+
+componentProto.emitDelayable = function() {
+  var delayed = false
+    , args = arraySlice.call(arguments, 0, -1)
+    , callback = arguments[arguments.length - 1]
+
+  function delay() {
+    delayed = true;
+  }
+
+  args.push(delay, callback);
+  this.emit.apply(this, args);
+  if (!delayed) callback();
+  return delayed;
+};
+
+// Hack needed for model bundling
+componentProto.toJSON = function() {}
+
+function type(view) {
+  return view === this.view ? 'lib:' + this.id : this.ns + ':' + this.id;
+}
+
+function createLibrary(config, options) {
+  if (!config || !config.filename) {
+    throw new Error ('Configuration argument with a filename is required');
+  }
+  if (!options) options = {};
+  var root = path.dirname(config.filename)
+    , ns = options.ns || config.ns || path.basename(root)
+    , scripts = config.scripts || {}
+    , view = new View
+    , constructors = {}
+    , library = {
+        ns: ns
+      , root: root
+      , view: view
+      , constructors: constructors
+      , styles: config.styles
+      }
+    , Component, proto, id, script;
+
+  view._selfNs = 'lib';
+  view._selfLibrary = library;
+
+  for (id in scripts) {
+    script = scripts[id];
+    script.setup && script.setup(library);
+
+    Component = function(model, scope) {
+      this.view = view;
+      this.model = model;
+      this.scope = scope;
+      this.history = null;
+      this.dom = null;
+
+      // Don't limit the number of listeners
+      this.setMaxListeners(0);
+
+      var component = this;
+      model.__on = model._on;
+      model._on = function(name, listener) {
+        component.on('destroy', function() {
+          model.removeListener(name, listener);
+        })
+        return model.__on(name, listener);
+      };
+      component.on('destroy', function() {
+        model.silent().del();
+      });
+    }
+    proto = Component.prototype = Object.create(componentProto);
+    merge(proto, script);
+
+    Component.view = view;
+    Component.ns = ns;
+    Component.id = id;
+    Component.type = type;
+
+    // Note that component names are all lowercased
+    constructors[id.toLowerCase()] = Component;
+  }
+
+  this._libraries.push(library);
+  this._libraries.map[ns] = library;
+  return library;
+}