Oops #2

[redakcja.git] / project / static / js / app.js

diff --git a/project/static/js/app.js b/project/static/js/app.js
index cfac503..2210654 100644 (file)
--- a/project/static/js/app.js
+++ b/project/static/js/app.js
@@ -3,6 +3,14 @@ var editor;
 var panel_hooks;
 
 
+// prevent a console.log from blowing things up if we are on a browser that
+// does not support it
+if (typeof console === 'undefined') {
+  window.console = {} ;
+  console.log = console.info = console.warn = console.error = function(){};
+}
+
+
 (function(){
   // Classes
   var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/;
@@ -70,6 +78,7 @@ var panel_hooks;
   };
 })();
 
+
 (function() {
   var slice = Array.prototype.slice;
   
@@ -97,70 +106,80 @@ var panel_hooks;
   }
   
 })();
- 
-var panels = [];
 
-var documentsUrl = '/api/documents/';
 
-var DocumentModel = Class.extend({
-  data: null, // name, text_url, latest_rev, latest_shared_rev, parts_url, dc_url, size
-  xml: '',
-  html: '',
+var Editor = Editor || {};
+
+// Obiekt implementujący wzorzec KVC/KVO
+Editor.Object = Class.extend({
+  _className: 'Editor.Object',
+  _observers: {},
+  _guid: null,
   
-  init: function() {},
+  init: function() {
+    this._observers = {};
+  },
   
-  getData: function(callback) {
-    console.log('get:', documentsUrl + fileId);
-    $.ajax({
-      cache: false,
-      url: documentsUrl + fileId,
-      dataType: 'json',
-      success: this.successfulGetData.bind(this, callback)
-    });
+  description: function() {
+    return this._className + '(guid = ' + this.guid() + ')';
   },
   
-  successfulGetData: function(callback, data) {
-    this.data = data;
-    this.modelChanged();
-    if (callback) {
-      (callback.bind(this))(data);
+  addObserver: function(observer, property, callback) {
+    // console.log('Add observer', observer.description(), 'to', this.description(), '[', property, ']');
+    if (!this._observers[property]) {
+      this._observers[property] = {}
     }
+    this._observers[property][observer.guid()] = callback;
+    return this;
   },
   
-  getXML: function(callback) {
-      $(this).trigger('modelxmlfreeze');
-    if (!this.data) {
-      this.getData(this.getXML);
+  removeObserver: function(observer, property) {
+    if (!property) {
+      for (var property in this._observers) {
+        this.removeObserver(observer, property)
+      }
     } else {
-      console.log('getXML:', this.data.text_url);
-      $.ajax({
-        cache: false,
-        url: this.data.text_url,
-        dataType: 'text',
-        success: this.successfulGetXML.bind(this, callback)
-      });
-    };
+      // console.log('Remove observer', observer.description(), 'from', this.description(), '[', property, ']');
+      delete this._observers[property][observer.guid()];
+    }
+    return this;
+  },
+  
+  notifyObservers: function(property) {
+    var currentValue = this[property];
+    for (var guid in this._observers[property]) {
+      // console.log(this._observers[property][guid]);
+      // console.log('Notifying', guid, 'of', this.description(), '[', property, ']');
+      this._observers[property][guid](property, currentValue, this);
+    }
+    return this;
   },
   
-  successfulGetXML: function(callback, data) {
-    if (data != this.xml) {
-      this.xml = data;
-      this.modelChanged();
-      $(this).trigger('modelxmlchanged');
+  guid: function() {
+    if (!this._guid) {
+      this._guid = ('editor-' + Editor.Object._lastGuid++);
     }
-    $(this).trigger('modelxmlunfreeze');
+    return this._guid;
+  },
+  
+  get: function(property) {
+    return this[property];
   },
   
-  modelChanged: function() {
-    $(this).trigger('modelchanged');
+  set: function(property, value) {
+    if (this[property] != value) {
+      this[property] = value;
+      this.notifyObservers(property);
+    }
+    return this;
+  },
+  
+  dispose: function() {
+    delete this._observers;
   }
 });
 
-var leftPanelView, rightPanelContainer, doc;
+Editor.Object._lastGuid = 0;
 
-$(function() {
-  doc = new DocumentModel();
-  var splitView = new SplitView('#splitview', doc);
-  leftPanelView = new PanelContainerView('#left-panel-container', doc);
-  rightPanelContainer = new PanelContainerView('#right-panel-container', doc);
-});
+
+var panels = [];