Uproszczenie implementacji wzorca observer.

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

diff --git a/project/static/js/app.js b/project/static/js/app.js
index 702fb0c..7586f3f 100644 (file)
--- a/project/static/js/app.js
+++ b/project/static/js/app.js
@@ -4,6 +4,7 @@ var panel_hooks;
 
 
 (function(){
+  // Classes
   var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/;
   this.Class = function(){};
   Class.extend = function(prop) {
@@ -34,6 +35,39 @@ var panel_hooks;
     Class.extend = arguments.callee;   
     return Class;
   };
+  
+  // Templates
+  var cache = {};
+
+  this.render_template = function render_template(str, data){
+    // Figure out if we're getting a template, or if we need to
+    // load the template - and be sure to cache the result.
+    var fn = !/^[\d\s-_]/.test(str) ?
+      cache[str] = cache[str] ||
+        render_template(document.getElementById(str).innerHTML) :
+
+      // Generate a reusable function that will serve as a template
+      // generator (and which will be cached).
+      new Function("obj",
+        "var p=[],print=function(){p.push.apply(p,arguments);};" +
+
+        // Introduce the data as local variables using with(){}
+        "with(obj){p.push('" +
+
+        // Convert the template into pure JavaScript
+        str
+          .replace(/[\r\t\n]/g, " ")
+          .split("<%").join("\t")
+          .replace(/((^|%>)[^\t]*)'/g, "$1\r")
+          .replace(/\t=(.*?)%>/g, "',$1,'")
+          .split("\t").join("');")
+          .split("%>").join("p.push('")
+          .split("\r").join("\\'")
+      + "');}return p.join('');");
+
+      // Provide some basic currying to the user
+    return data ? fn( data ) : fn;
+  };
 })();
 
 (function() {
@@ -64,7 +98,136 @@ var panel_hooks;
   
 })();
  
+var panels = [];
+
+var documentsUrl = '/api/documents/';
+
+
+var Model = Class.extend({
+  observers: {},
+  
+  init: function() {},
+  
+  signal: function(event, data) {
+    console.log('signal', this, event, data);
+    if (this.observers[event]) {
+      for (observer in this.observers[event]) {
+        observer.handle(event, data);
+      }
+    };
+    return this;
+  },
+  
+  addObserver: function(observer, event) {
+    if (!this.observers[event]) {
+      this.observers[event] = [];
+    }
+    this.observers[event][observer] = observer;
+    return this;
+  },
+  
+  removeObserver: function(observer, event) {
+    if (!event) {
+      for (e in this.observers) {
+        this.removeObserver(observer, e);
+      }
+    } else {
+      delete this.observers[event][observer];
+    }
+    return this;
+  }
+});
+
+
+var XMLModel = Model.extend({
+  parent: null,
+  data: null,
+  serverURL: null,
+  
+  init: function(parent, serverURL) {
+    this.parent = parent;
+    this.serverURL = serverURL;
+  },
+  
+  reload: function() {
+    $.ajax({
+      url: this.serverURL,
+      dataType: 'text',
+      success: this.reloadSucceeded.bind(this)
+    });
+  },
+  
+  reloadSucceeded: function(data) {
+    this.data = data;
+    this.signal('reloaded');
+  },
+})
+
+var DocumentModel = Model.extend({
+  data: null, // name, text_url, latest_rev, latest_shared_rev, parts_url, dc_url, size
+  xml: null,
+  html: null,
+  
+  init: function() {},
+  
+  getData: function(callback) {
+    console.log('get:', documentsUrl + fileId);
+    $.ajax({
+      cache: false,
+      url: documentsUrl + fileId,
+      dataType: 'json',
+      success: this.successfulGetData.bind(this, callback)
+    });
+  },
+  
+  successfulGetData: function(callback, data) {
+    this.data = data;
+    this.signal('changed');
+    if (callback) {
+      (callback.bind(this))(data);
+    }
+  },
+  
+  load: function(key) {
+    if (!this.data) {
+      this.getData(function() { this.load(key); }.bind(this));
+    } else {
+      console.log('load', key, this.data[key + 'url']);
+      $.ajax({
+        url: this.data[key + '_url'],
+        dataType: 'text',
+        success: this.loadSucceeded.bind(this, key)
+      });
+    }
+  },
+  
+  loadSucceeded: function(key, data) {
+    console.log('loadSucceeded', key, data);
+    this.set(key, data);
+  },
+  
+  get: function(key) {
+    console.log(this[key]);
+    if (this[key]) {
+      return this[key]
+    } else {
+      this.load(key);
+      return '';
+    }
+  },
+  
+  set: function(key, value) {
+    this[key] = value;
+    this.signal(key + '-changed');
+    return this;
+  }
+});
+
+var leftPanelView, rightPanelContainer, doc;
 
 $(function() {
-  var splitView = new SplitView('#panels');
+  doc = new DocumentModel();
+  var splitView = new SplitView('#splitview', doc);
+  leftPanelView = new PanelContainerView('#left-panel-container', doc);
+  rightPanelContainer = new PanelContainerView('#right-panel-container', doc);
 });