Merge branch 'master' into view-refactor

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

diff --git a/project/static/js/app.js b/project/static/js/app.js
index d2a7577..6e6f0f8 100644 (file)
--- a/project/static/js/app.js
+++ b/project/static/js/app.js
@@ -102,55 +102,176 @@ 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 Model = Class.extend({
+  observers: {},
   
   init: function() {},
   
-  getData: function(callback) {
-    console.log('get:', documentsUrl + fileId);
+  signal: function(event, data) {
+    console.log('signal', this, event, data);
+    if (this.observers[event]) {
+      for (key in this.observers[event]) {
+        this.observers[event][key](event, data);
+      }
+    };
+    return this;
+  },
+  
+  addObserver: function(observer, event, callback) {
+    if (!this.observers[event]) {
+      this.observers[event] = {};
+    }
+    this.observers[event][observer.id] = callback;
+    return this;
+  },
+  
+  removeObserver: function(observer, event) {
+    if (!event) {
+      for (e in this.observers) {
+        this.removeObserver(observer, e);
+      }
+    } else {
+      delete this.observers[event][observer.id];
+    }
+    return this;
+  }
+});
+
+
+var XMLModel = Model.extend({
+  parent: null,
+  data: '',
+  serverURL: null,
+  needsReload: false,
+  
+  init: function(parent, serverURL) {
+    this.parent = parent;
+    this.serverURL = serverURL;
+  },
+  
+  getData: function() {
+    if (!this.data) {
+      this.reload();
+    }
+    return this.data;
+  },
+  
+  setData: function(data) {
+    this.data = data;
+    this.dataChanged();
+  },
+  
+  reload: function() {
     $.ajax({
-      cache: false,
-      url: documentsUrl + fileId,
-      dataType: 'json',
-      success: this.successfulGetData.bind(this, callback)
+      url: this.serverURL,
+      dataType: 'text',
+      success: this.reloadSucceeded.bind(this)
     });
   },
   
-  successfulGetData: function(callback, data) {
+  reloadSucceeded: function(data) {
     this.data = data;
-    this.modelChanged();
-    if (callback) {
-      (callback.bind(this))(data);
-    }
+    this.signal('reloaded');
+  },
+  
+  dataChanged: function() {
+    this.parent.modelChanged('xml');
+    this.signal('dataChanged');
+  },
+  
+  needsReload: function() {
+    this.needsReload = true;
+    this.signal('needsReload');
+  }
+})
+
+
+
+var HTMLModel = Model.extend({
+  parent: null,
+  data: '',
+  serverURL: null,
+  needsReload: false,
+  
+  init: function(parent, serverURL) {
+    this.parent = parent;
+    this.serverURL = serverURL;
   },
   
-  getXML: function(callback) {
+  getData: function() {
     if (!this.data) {
-      this.getData(this.getXML);
-    } else {
-      console.log('getXML:', this.data.text_url);
-      $.ajax({
-        cache: false,
-        url: this.data.text_url,
-        dataType: 'text',
-        success: this.successfulGetXML.bind(this, callback)
-      });
-    };
+      this.reload();
+    }
+    return this.data;
   },
   
-  successfulGetXML: function(callback, data) {
-    if (data != this.xml) {
-      this.xml = data;
-      this.modelChanged();
-      $(this).trigger('modelxmlchanged');
+  setData: function(data) {
+    console.log('setData');
+    if (this.data != data) {
+      this.data = data;
+      this.dataChanged();
     }
   },
   
-  modelChanged: function() {
-    $(this).trigger('modelchanged');
+  reload: function() {
+    $.ajax({
+      url: this.serverURL,
+      dataType: 'text',
+      success: this.reloadSucceeded.bind(this)
+    });
+  },
+  
+  reloadSucceeded: function(data) {
+    this.data = data;
+    this.signal('reloaded');
+  },
+  
+  dataChanged: function() {
+    this.parent.modelChanged('html');
+  },
+  
+  needsReload: function() {
+    this.needsReload = true;
+    this.signal('needsReload');
+  }
+})
+
+
+var DocumentModel = Model.extend({
+  data: null, // name, text_url, latest_rev, latest_shared_rev, parts_url, dc_url, size
+  xml: null,
+  html: null,
+  contentModels: {},
+  
+  init: function() {
+    this.getData();
+  },
+  
+  getData: function() {
+    console.log('DocumentModel#getData');
+    $.ajax({
+      cache: false,
+      url: documentsUrl + fileId,
+      dataType: 'json',
+      success: this.successfulGetData.bind(this)
+    });
+  },
+  
+  successfulGetData: function(data) {
+    console.log('DocumentModel#successfulGetData:', data);
+    this.data = data;
+    this.contentModels = {
+      'xml': new XMLModel(this, data.text_url)
+    };
+  },
+  
+  modelChanged: function(contentModelName) {
+    for (modelName in this.contentModels) {
+      if (!(modelName == contentModelName)) {
+        this.contentModels[modelName].needsReload();
+      }
+    }
   }
 });