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rtpg.js
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rtpg.js
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/**
* Copyright 2014 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http:https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Realtime playground.
*
* Shows off and demos various Realtime API features. This application is
* intentionally low-tech, and devoid of clever abstraction, being designed
* to be used as a sample.
*/
/**
* Realtime playground namespace.
*/
var rtpg = rtpg || {};
/** Your Application ID from the Google APIs Console. */
rtpg.APP_ID = 'YOUR APP ID';
/** Your application's Client ID from the Google APIs Console. */
rtpg.CLIENT_ID = 'YOUR CLIENT ID';
rtpg.realtimeDoc = null;
rtpg.allDemos = [];
rtpg.mapDemos = function(callback) {
return rtpg.allDemos.map(callback);
};
/**
* Whether Realtime has loaded the doc and model.
*
* This is used as a guard to ensure that certain state has been set before
* attempting to use it.
*/
rtpg.isInitialized = function() {
return (rtpg.string.field != null);
}
rtpg.getField = function(name) {
return rtpg.realtimeDoc.getModel().getRoot().get(name);
}
rtpg.LOG_SELECTOR = '#demoLog';
rtpg.SHARE_SELECTOR = '#demoShareButton';
rtpg.OPEN_SELECTOR = '#openExistingDoc';
rtpg.CREATE_SELECTOR = '#createNewDoc';
rtpg.AUTH_BUTTON_ID = 'demoAuthorizeButton';
rtpg.AUTH_HOLDER_SELECTOR = '#demoUnauthorizedOverlay';
rtpg.CREATE_DOC_HOLDER_SELECTOR = '#demoChooseDocument';
rtpg.SHARE_DOC_HOLDER_SELECTOR = '#demoShare';
rtpg.INITILIZED_MESSAGE_SELECTOR = '#realtimeInitialized';
rtpg.COLLAB_HOLDER_SELECTOR = '#collabSections';
rtpg.AUTHORIZED_MESSAGE_HOLDER_SELECTOR = '#authorizedMessage';
// Interval at which we check if the auth token needs to be refreshed in ms
rtpg.AUTH_TOKEN_REFRESH_INTERVAL = 1800000; // 30 minutes
/**
* Generates the initial model for newly created Realtime documents.
* @param model
*/
rtpg.initializeModel = function(model) {
var l = rtpg.allDemos.length;
for (var i = 0; i < l; i++) {
var demo = rtpg.allDemos[i];
demo.initializeModel(model);
}
};
// Called when the realtime file has been loaded.
rtpg.onFileLoaded = function(doc) {
console.log('File loaded');
console.log(doc);
rtpg.realtimeDoc = doc;
// Binding UI and listeners for demo data elements.
for (var i = 0; i < rtpg.allDemos.length; i++) {
var demo = rtpg.allDemos[i];
demo.loadField();
demo.updateUi();
demo.connectUi();
demo.connectRealtime(doc);
}
// Activating undo and redo buttons.
var model = doc.getModel();
$('#undoButton').click(function(){model.undo();});
$('#redoButton').click(function(){model.redo();});
// Add event handler for UndoRedoStateChanged events.
var onUndoRedoStateChanged = function(e) {
$('#undoButton').prop('disabled', !e.canUndo());
$('#redoButton').prop('disabled', !e.canRedo());
};
model.onUndoRedoStateChanged(onUndoRedoStateChanged);
// We load the name of the file to populate the file name field.
gapi.client.load('drive', 'v2', function() {
var request = gapi.client.drive.files.get({
'fileId' : rtclient.params['fileIds'].split(',')[0]
});
$('#documentName').attr('disabled', '');
request.execute(function(resp) {
$('#documentName').val(resp.title);
$('#documentName').removeAttr('disabled');
$('#documentName').change(function() {
$('#documentName').attr('disabled', '');
var body = {'title': $('#documentName').val()};
var renameRequest = gapi.client.drive.files.patch({
'fileId' : rtclient.params['fileIds'].split(',')[0],
'resource' : body
});
renameRequest.execute(function(resp) {
$('#documentName').val(resp.title);
$('#documentName').removeAttr('disabled');
});
});
});
});
// Showing message that a doc has been loaded
$('#documentNameContainer').show();
// Enable Step 3 and 4
$(rtpg.SHARE_DOC_HOLDER_SELECTOR).removeClass('disabled');
$(rtpg.INITILIZED_MESSAGE_SELECTOR).show();
$(rtpg.COLLAB_HOLDER_SELECTOR).removeClass('disabled');
//Re-enabling buttons to create or load docs
$('#createNewDoc').removeClass('disabled');
$('#openExistingDoc').removeClass('disabled');
};
// Register all types on Realtime doc creation.
rtpg.registerTypes = function() {
var l = rtpg.allDemos.length;
for (var i = 0; i < l; i++) {
var demo = rtpg.allDemos[i];
var registerTypes = demo.registerTypes;
if (registerTypes) {
registerTypes();
}
}
console.log(rtpg);
}
// Opens the Google Picker.
rtpg.popupOpen = function() {
var token = gapi.auth.getToken().access_token;
var view = new google.picker.View(google.picker.ViewId.DOCS);
view.setMimeTypes("application/vnd.google-apps.drive-sdk." + rtpg.realTimeOptions.appId);
var picker = new google.picker.PickerBuilder()
.enableFeature(google.picker.Feature.NAV_HIDDEN)
.setAppId(rtpg.realTimeOptions.appId)
.setOAuthToken(token)
.addView(view)
.addView(new google.picker.DocsUploadView())
.setCallback(rtpg.openCallback)
.build();
picker.setVisible(true);
}
// Called when a file has been selected using the Google Picker.
rtpg.openCallback = function(data) {
if (data.action == google.picker.Action.PICKED) {
var fileId = data.docs[0].id;
rtpg.realtimeLoader.redirectTo([fileId], rtpg.realtimeLoader.authorizer.userId);
}
}
// Popups the Sharing dialog.
rtpg.popupShare = function() {
var shareClient = new gapi.drive.share.ShareClient(rtpg.realTimeOptions.appId);
shareClient.setItemIds(rtclient.params['fileIds'].split(','));
shareClient.showSettingsDialog();
}
// Connects UI elements to functions.
rtpg.connectUi = function() {
$(rtpg.SHARE_SELECTOR).click(rtpg.popupShare);
$(rtpg.OPEN_SELECTOR).click(rtpg.popupOpen);
}
// Initializes the Realtime Playground.
rtpg.start = function() {
rtpg.realtimeLoader = new rtclient.RealtimeLoader(rtpg.realTimeOptions);
rtpg.connectUi();
rtpg.realtimeLoader.start();
};
rtpg.afterAuth = function() {
$(rtpg.CREATE_DOC_HOLDER_SELECTOR).removeClass('disabled');
$(rtpg.AUTHORIZED_MESSAGE_HOLDER_SELECTOR).show();
$(rtpg.CREATE_SELECTOR).click(function() {
$(rtpg.CREATE_SELECTOR).addClass('disabled');
$(rtpg.OPEN_SELECTOR).addClass('disabled');
rtpg.realtimeLoader.createNewFileAndRedirect();
});
}
rtpg.refreshAuth = function () {
setTimeout(function () {
rtpg.realtimeLoader.authorizer.authorize();
rtpg.refreshAuth();
}, rtpg.AUTH_TOKEN_REFRESH_INTERVAL);
}
// Start oauth token refresher timer
rtpg.refreshAuth();
// Options container for the realtime client utils.
rtpg.realTimeOptions = {
appId: rtpg.APP_ID,
clientId: rtpg.CLIENT_ID,
authButtonElementId: rtpg.AUTH_BUTTON_ID,
autoCreate: false,
initializeModel: rtpg.initializeModel,
onFileLoaded: rtpg.onFileLoaded,
registerTypes: rtpg.registerTypes,
afterAuth: rtpg.afterAuth,
newFileMimeType: null, // Using default.
defaultTitle: "New Realtime Playground File"
};
// Returns the collaborator for the given session ID.
rtpg.getCollaborator = function(sessionId) {
var collaborators = rtpg.realtimeDoc.getCollaborators();
for (var i = 0; i < collaborators.length; i = i+1) {
if(collaborators[i].sessionId() == sessionId) {
return collaborators[i];
}
}
return null;
};
// Returns the Collaborator object for the current user.
rtpg.getMe = function() {
var collaborators = rtpg.realtimeDoc.getCollaborators();
for (var i = 0; i < collaborators.length; i = i+1) {
if(collaborators[i].isMe()) {
return collaborators[i];
}
}
return null;
};