+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 (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({
+ url: this.serverURL,
+ dataType: 'text',
+ success: this.reloadSucceeded.bind(this)
+ });
+ },
+
+ reloadSucceeded: function(data) {
+ 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() {
+ 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();
+ }
+ }
+ }
+});
+
+var leftPanelView, rightPanelContainer, doc;
+