signal: function(event, data) {
console.log('signal', this, event, data);
if (this.observers[event]) {
- for (observer in this.observers[event]) {
- observer.handle(event, data);
+ for (key in this.observers[event]) {
+ this.observers[event][key](event, data);
}
};
return this;
},
- addObserver: function(observer, event) {
+ addObserver: function(observer, event, callback) {
if (!this.observers[event]) {
- this.observers[event] = [];
+ this.observers[event] = {};
}
- this.observers[event][observer] = observer;
+ this.observers[event][observer.id] = callback;
return this;
},
this.removeObserver(observer, e);
}
} else {
- delete this.observers[event][observer];
+ delete this.observers[event][observer.id];
}
return this;
}
var XMLModel = Model.extend({
parent: null,
- data: 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({
url: this.serverURL,
this.data = 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;
+ },
+
+ getData: function() {
+ if (!this.data) {
+ this.reload();
+ }
+ return this.data;
+ },
+
+ setData: function(data) {
+ console.log('setData');
+ if (this.data != data) {
+ this.data = data;
+ this.dataChanged();
+ }
+ },
+
+ 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() {},
+ init: function() {
+ this.getData();
+ },
- getData: function(callback) {
- console.log('get:', documentsUrl + fileId);
+ getData: function() {
+ console.log('DocumentModel#getData');
$.ajax({
cache: false,
url: documentsUrl + fileId,
dataType: 'json',
- success: this.successfulGetData.bind(this, callback)
+ success: this.successfulGetData.bind(this)
});
},
- successfulGetData: function(callback, data) {
+ successfulGetData: function(data) {
+ console.log('DocumentModel#successfulGetData:', 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);
+ this.contentModels = {
+ 'xml': new XMLModel(this, data.text_url)
+ };
},
- get: function(key) {
- console.log(this[key]);
- if (this[key]) {
- return this[key]
- } else {
- this.load(key);
- return '';
+ modelChanged: function(contentModelName) {
+ for (modelName in this.contentModels) {
+ if (!(modelName == contentModelName)) {
+ this.contentModels[modelName].needsReload();
+ }
}
- },
-
- set: function(key, value) {
- this[key] = value;
- this.signal(key + '-changed');
- return this;
}
});