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-if(!dojo._hasResource["dojox.off.ui"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojox.off.ui"] = true;
-dojo.provide("dojox.off.ui");
-
-dojo.require("dojox.storage.Provider");
-dojo.require("dojox.storage.manager");
-dojo.require("dojox.storage.GearsStorageProvider");
-
-// Author: Brad Neuberg, bkn3@columbia.edu, http://codinginparadise.org
-
-// summary:
-// dojox.off.ui provides a standard,
-// default user-interface for a
-// Dojo Offline Widget that can easily
-// be dropped into applications that would
-// like to work offline.
-dojo.mixin(dojox.off.ui, {
- // appName: String
- // This application's name, such as "Foobar". Note that
- // this is a string, not HTML, so embedded markup will
- // not work, including entities. Only the following
- // characters are allowed: numbers, letters, and spaces.
- // You must set this property.
- appName: "setme",
-
- // autoEmbed: boolean
- // For advanced usage; most developers can ignore this.
- // Whether to automatically auto-embed the default Dojo Offline
- // widget into this page; default is true.
- autoEmbed: true,
-
- // autoEmbedID: String
- // For advanced usage; most developers can ignore this.
- // The ID of the DOM element that will contain our
- // Dojo Offline widget; defaults to the ID 'dot-widget'.
- autoEmbedID: "dot-widget",
-
- // runLink: String
- // For advanced usage; most developers can ignore this.
- // The URL that should be navigated to to run this
- // application offline; this will be placed inside of a
- // link that the user can drag to their desktop and double
- // click. Note that this URL must exactly match the URL
- // of the main page of our resource that is offline for
- // it to be retrieved from the offline cache correctly.
- // For example, if you have cached your main page as
- // http://foobar.com/index.html, and you set this to
- // http://www.foobar.com/index.html, the run link will
- // not work. By default this value is automatically set to
- // the URL of this page, so it does not need to be set
- // manually unless you have unusual needs.
- runLink: window.location.href,
-
- // runLinkTitle: String
- // For advanced usage; most developers can ignore this.
- // The text that will be inside of the link that a user
- // can drag to their desktop to run this application offline.
- // By default this is automatically set to "Run " plus your
- // application's name.
- runLinkTitle: "Run Application",
-
- // learnHowPath: String
- // For advanced usage; most developers can ignore this.
- // The path to a web page that has information on
- // how to use this web app offline; defaults to
- // src/off/ui-template/learnhow.html, relative to
- // your Dojo installation. Make sure to set
- // dojo.to.ui.customLearnHowPath to true if you want
- // a custom Learn How page.
- learnHowPath: dojo.moduleUrl("dojox", "off/resources/learnhow.html"),
-
- // customLearnHowPath: boolean
- // For advanced usage; most developers can ignore this.
- // Whether the developer is using their own custom page
- // for the Learn How instructional page; defaults to false.
- // Use in conjunction with dojox.off.ui.learnHowPath.
- customLearnHowPath: false,
-
- htmlTemplatePath: dojo.moduleUrl("dojox", "off/resources/offline-widget.html").uri,
- cssTemplatePath: dojo.moduleUrl("dojox", "off/resources/offline-widget.css").uri,
- onlineImagePath: dojo.moduleUrl("dojox", "off/resources/greenball.png").uri,
- offlineImagePath: dojo.moduleUrl("dojox", "off/resources/redball.png").uri,
- rollerImagePath: dojo.moduleUrl("dojox", "off/resources/roller.gif").uri,
- checkmarkImagePath: dojo.moduleUrl("dojox", "off/resources/checkmark.png").uri,
- learnHowJSPath: dojo.moduleUrl("dojox", "off/resources/learnhow.js").uri,
-
- _initialized: false,
-
- onLoad: function(){
- // summary:
- // A function that should be connected to allow your
- // application to know when Dojo Offline, the page, and
- // the Offline Widget are all initialized and ready to be
- // used:
- //
- // dojo.connect(dojox.off.ui, "onLoad", someFunc)
- },
-
- _initialize: function(){
- //console.debug("dojox.off.ui._initialize");
-
- // make sure our app name is correct
- if(this._validateAppName(this.appName) == false){
- alert("You must set dojox.off.ui.appName; it can only contain "
- + "letters, numbers, and spaces; right now it "
- + "is incorrectly set to '" + dojox.off.ui.appName + "'");
- dojox.off.enabled = false;
- return;
- }
-
- // set our run link text to its default
- this.runLinkText = "Run " + this.appName;
-
- // setup our event listeners for Dojo Offline events
- // to update our UI
- dojo.connect(dojox.off, "onNetwork", this, "_onNetwork");
- dojo.connect(dojox.off.sync, "onSync", this, "_onSync");
-
- // cache our default UI resources
- dojox.off.files.cache([
- this.htmlTemplatePath,
- this.cssTemplatePath,
- this.onlineImagePath,
- this.offlineImagePath,
- this.rollerImagePath,
- this.checkmarkImagePath
- ]);
-
- // embed the offline widget UI
- if(this.autoEmbed){
- this._doAutoEmbed();
- }
- },
-
- _doAutoEmbed: function(){
- // fetch our HTML for the offline widget
-
- // dispatch the request
- dojo.xhrGet({
- url: this.htmlTemplatePath,
- handleAs: "text",
- error: function(err){
- dojox.off.enabled = false;
- err = err.message||err;
- alert("Error loading the Dojo Offline Widget from "
- + this.htmlTemplatePath + ": " + err);
- },
- load: dojo.hitch(this, this._templateLoaded)
- });
- },
-
- _templateLoaded: function(data){
- //console.debug("dojox.off.ui._templateLoaded");
- // inline our HTML
- var container = dojo.byId(this.autoEmbedID);
- if(container){ container.innerHTML = data; }
-
- // fill out our image paths
- this._initImages();
-
- // update our network indicator status ball
- this._updateNetIndicator();
-
- // update our 'Learn How' text
- this._initLearnHow();
-
- this._initialized = true;
-
- // check offline cache settings
- if(!dojox.off.hasOfflineCache){
- this._showNeedsOfflineCache();
- return;
- }
-
- // check to see if we need a browser restart
- // to be able to use this web app offline
- if(dojox.off.hasOfflineCache && dojox.off.browserRestart){
- this._needsBrowserRestart();
- return;
- }else{
- var browserRestart = dojo.byId("dot-widget-browser-restart");
- if(browserRestart){ browserRestart.style.display = "none"; }
- }
-
- // update our sync UI
- this._updateSyncUI();
-
- // register our event listeners for our main buttons
- this._initMainEvtHandlers();
-
- // if offline functionality is disabled, disable everything
- this._setOfflineEnabled(dojox.off.enabled);
-
- // update our UI based on the state of the network
- this._onNetwork(dojox.off.isOnline ? "online" : "offline");
-
- // try to go online
- this._testNet();
- },
-
- _testNet: function(){
- dojox.off.goOnline(dojo.hitch(this, function(isOnline){
- //console.debug("testNet callback, isOnline="+isOnline);
-
- // display our online/offline results
- this._onNetwork(isOnline ? "online" : "offline");
-
- // indicate that our default UI
- // and Dojo Offline are now ready to
- // be used
- this.onLoad();
- }));
- },
-
- _updateNetIndicator: function(){
- var onlineImg = dojo.byId("dot-widget-network-indicator-online");
- var offlineImg = dojo.byId("dot-widget-network-indicator-offline");
- var titleText = dojo.byId("dot-widget-title-text");
-
- if(onlineImg && offlineImg){
- if(dojox.off.isOnline == true){
- onlineImg.style.display = "inline";
- offlineImg.style.display = "none";
- }else{
- onlineImg.style.display = "none";
- offlineImg.style.display = "inline";
- }
- }
-
- if(titleText){
- if(dojox.off.isOnline){
- titleText.innerHTML = "Online";
- }else{
- titleText.innerHTML = "Offline";
- }
- }
- },
-
- _initLearnHow: function(){
- var learnHow = dojo.byId("dot-widget-learn-how-link");
-
- if(!learnHow){ return; }
-
- if(!this.customLearnHowPath){
- // add parameters to URL so the Learn How page
- // can customize itself and display itself
- // correctly based on framework settings
- var dojoPath = dojo.config.baseRelativePath;
- this.learnHowPath += "?appName=" + encodeURIComponent(this.appName)
- + "&hasOfflineCache=" + dojox.off.hasOfflineCache
- + "&runLink=" + encodeURIComponent(this.runLink)
- + "&runLinkText=" + encodeURIComponent(this.runLinkText)
- + "&baseRelativePath=" + encodeURIComponent(dojoPath);
-
- // cache our Learn How JavaScript page and
- // the HTML version with full query parameters
- // so it is available offline without a cache miss
- dojox.off.files.cache(this.learnHowJSPath);
- dojox.off.files.cache(this.learnHowPath);
- }
-
- learnHow.setAttribute("href", this.learnHowPath);
-
- var appName = dojo.byId("dot-widget-learn-how-app-name");
-
- if(!appName){ return; }
-
- appName.innerHTML = "";
- appName.appendChild(document.createTextNode(this.appName));
- },
-
- _validateAppName: function(appName){
- if(!appName){ return false; }
-
- return (/^[a-z0-9 ]*$/i.test(appName));
- },
-
- _updateSyncUI: function(){
- var roller = dojo.byId("dot-roller");
- var checkmark = dojo.byId("dot-success-checkmark");
- var syncMessages = dojo.byId("dot-sync-messages");
- var details = dojo.byId("dot-sync-details");
- var cancel = dojo.byId("dot-sync-cancel");
-
- if(dojox.off.sync.isSyncing){
- this._clearSyncMessage();
-
- if(roller){ roller.style.display = "inline"; }
-
- if(checkmark){ checkmark.style.display = "none"; }
-
- if(syncMessages){
- dojo.removeClass(syncMessages, "dot-sync-error");
- }
-
- if(details){ details.style.display = "none"; }
-
- if(cancel){ cancel.style.display = "inline"; }
- }else{
- if(roller){ roller.style.display = "none"; }
-
- if(cancel){ cancel.style.display = "none"; }
-
- if(syncMessages){
- dojo.removeClass(syncMessages, "dot-sync-error");
- }
- }
- },
-
- _setSyncMessage: function(message){
- var syncMessage = dojo.byId("dot-sync-messages");
- if(syncMessage){
- // when used with Google Gears pre-release in Firefox/Mac OS X,
- // the browser would crash when testing in Moxie
- // if we set the message this way for some reason.
- // Brad Neuberg, bkn3@columbia.edu
- //syncMessage.innerHTML = message;
-
- while(syncMessage.firstChild){
- syncMessage.removeChild(syncMessage.firstChild);
- }
- syncMessage.appendChild(document.createTextNode(message));
- }
- },
-
- _clearSyncMessage: function(){
- this._setSyncMessage("");
- },
-
- _initImages: function(){
- var onlineImg = dojo.byId("dot-widget-network-indicator-online");
- if(onlineImg){
- onlineImg.setAttribute("src", this.onlineImagePath);
- }
-
- var offlineImg = dojo.byId("dot-widget-network-indicator-offline");
- if(offlineImg){
- offlineImg.setAttribute("src", this.offlineImagePath);
- }
-
- var roller = dojo.byId("dot-roller");
- if(roller){
- roller.setAttribute("src", this.rollerImagePath);
- }
-
- var checkmark = dojo.byId("dot-success-checkmark");
- if(checkmark){
- checkmark.setAttribute("src", this.checkmarkImagePath);
- }
- },
-
- _showDetails: function(evt){
- // cancel the button's default behavior
- evt.preventDefault();
- evt.stopPropagation();
-
- if(!dojox.off.sync.details.length){
- return;
- }
-
- // determine our HTML message to display
- var html = "";
- html += "<html><head><title>Sync Details</title><head><body>";
- html += "<h1>Sync Details</h1>\n";
- html += "<ul>\n";
- for(var i = 0; i < dojox.off.sync.details.length; i++){
- html += "<li>";
- html += dojox.off.sync.details[i];
- html += "</li>";
- }
- html += "</ul>\n";
- html += "<a href='javascript:window.close()' "
- + "style='text-align: right; padding-right: 2em;'>"
- + "Close Window"
- + "</a>\n";
- html += "</body></html>";
-
- // open a popup window with this message
- var windowParams = "height=400,width=600,resizable=true,"
- + "scrollbars=true,toolbar=no,menubar=no,"
- + "location=no,directories=no,dependent=yes";
-
- var popup = window.open("", "SyncDetails", windowParams);
-
- if(!popup){ // aggressive popup blocker
- alert("Please allow popup windows for this domain; can't display sync details window");
- return;
- }
-
- popup.document.open();
- popup.document.write(html);
- popup.document.close();
-
- // put the focus on the popup window
- if(popup.focus){
- popup.focus();
- }
- },
-
- _cancel: function(evt){
- // cancel the button's default behavior
- evt.preventDefault();
- evt.stopPropagation();
-
- dojox.off.sync.cancel();
- },
-
- _needsBrowserRestart: function(){
- var browserRestart = dojo.byId("dot-widget-browser-restart");
- if(browserRestart){
- dojo.addClass(browserRestart, "dot-needs-browser-restart");
- }
-
- var appName = dojo.byId("dot-widget-browser-restart-app-name");
- if(appName){
- appName.innerHTML = "";
- appName.appendChild(document.createTextNode(this.appName));
- }
-
- var status = dojo.byId("dot-sync-status");
- if(status){
- status.style.display = "none";
- }
- },
-
- _showNeedsOfflineCache: function(){
- var widgetContainer = dojo.byId("dot-widget-container");
- if(widgetContainer){
- dojo.addClass(widgetContainer, "dot-needs-offline-cache");
- }
- },
-
- _hideNeedsOfflineCache: function(){
- var widgetContainer = dojo.byId("dot-widget-container");
- if(widgetContainer){
- dojo.removeClass(widgetContainer, "dot-needs-offline-cache");
- }
- },
-
- _initMainEvtHandlers: function(){
- var detailsButton = dojo.byId("dot-sync-details-button");
- if(detailsButton){
- dojo.connect(detailsButton, "onclick", this, this._showDetails);
- }
- var cancelButton = dojo.byId("dot-sync-cancel-button");
- if(cancelButton){
- dojo.connect(cancelButton, "onclick", this, this._cancel);
- }
- },
-
- _setOfflineEnabled: function(enabled){
- var elems = [];
- elems.push(dojo.byId("dot-sync-status"));
-
- for(var i = 0; i < elems.length; i++){
- if(elems[i]){
- elems[i].style.visibility =
- (enabled ? "visible" : "hidden");
- }
- }
- },
-
- _syncFinished: function(){
- this._updateSyncUI();
-
- var checkmark = dojo.byId("dot-success-checkmark");
- var details = dojo.byId("dot-sync-details");
-
- if(dojox.off.sync.successful == true){
- this._setSyncMessage("Sync Successful");
- if(checkmark){ checkmark.style.display = "inline"; }
- }else if(dojox.off.sync.cancelled == true){
- this._setSyncMessage("Sync Cancelled");
-
- if(checkmark){ checkmark.style.display = "none"; }
- }else{
- this._setSyncMessage("Sync Error");
-
- var messages = dojo.byId("dot-sync-messages");
- if(messages){
- dojo.addClass(messages, "dot-sync-error");
- }
-
- if(checkmark){ checkmark.style.display = "none"; }
- }
-
- if(dojox.off.sync.details.length && details){
- details.style.display = "inline";
- }
- },
-
- _onFrameworkEvent: function(type, saveData){
- if(type == "save"){
- if(saveData.status == dojox.storage.FAILED && !saveData.isCoreSave){
- alert("Please increase the amount of local storage available "
- + "to this application");
- if(dojox.storage.hasSettingsUI()){
- dojox.storage.showSettingsUI();
- }
-
- // FIXME: Be able to know if storage size has changed
- // due to user configuration
- }
- }else if(type == "coreOperationFailed"){
- console.log("Application does not have permission to use Dojo Offline");
-
- if(!this._userInformed){
- alert("This application will not work if Google Gears is not allowed to run");
- this._userInformed = true;
- }
- }else if(type == "offlineCacheInstalled"){
- // clear out the 'needs offline cache' info
- this._hideNeedsOfflineCache();
-
- // check to see if we need a browser restart
- // to be able to use this web app offline
- if(dojox.off.hasOfflineCache == true
- && dojox.off.browserRestart == true){
- this._needsBrowserRestart();
- return;
- }else{
- var browserRestart = dojo.byId("dot-widget-browser-restart");
- if(browserRestart){
- browserRestart.style.display = "none";
- }
- }
-
- // update our sync UI
- this._updateSyncUI();
-
- // register our event listeners for our main buttons
- this._initMainEvtHandlers();
-
- // if offline is disabled, disable everything
- this._setOfflineEnabled(dojox.off.enabled);
-
- // try to go online
- this._testNet();
- }
- },
-
- _onSync: function(type){
- //console.debug("ui, onSync="+type);
- switch(type){
- case "start":
- this._updateSyncUI();
- break;
-
- case "refreshFiles":
- this._setSyncMessage("Downloading UI...");
- break;
-
- case "upload":
- this._setSyncMessage("Uploading new data...");
- break;
-
- case "download":
- this._setSyncMessage("Downloading new data...");
- break;
-
- case "finished":
- this._syncFinished();
- break;
-
- case "cancel":
- this._setSyncMessage("Canceling Sync...");
- break;
-
- default:
- dojo.warn("Programming error: "
- + "Unknown sync type in dojox.off.ui: " + type);
- break;
- }
- },
-
- _onNetwork: function(type){
- // summary:
- // Called when we go on- or off-line
- // description:
- // When we go online or offline, this method is called to update
- // our UI. Default behavior is to update the Offline
- // Widget UI and to attempt a synchronization.
- // type: String
- // "online" if we just moved online, and "offline" if we just
- // moved offline.
-
- if(!this._initialized){ return; }
-
- // update UI
- this._updateNetIndicator();
-
- if(type == "offline"){
- this._setSyncMessage("You are working offline");
-
- // clear old details
- var details = dojo.byId("dot-sync-details");
- if(details){ details.style.display = "none"; }
-
- // if we fell offline during a sync, hide
- // the sync info
- this._updateSyncUI();
- }else{ // online
- // synchronize, but pause for a few seconds
- // so that the user can orient themselves
- if(dojox.off.sync.autoSync){
- if(dojo.isAIR){
- window.setTimeout(function(){dojox.off.sync.synchronize();}, 1000);
- }else{
- window.setTimeout(dojox._scopeName + ".off.sync.synchronize()", 1000);
- }
- }
- }
- }
-});
-
-// register ourselves for low-level framework events
-dojo.connect(dojox.off, "onFrameworkEvent", dojox.off.ui, "_onFrameworkEvent");
-
-// start our magic when the Dojo Offline framework is ready to go
-dojo.connect(dojox.off, "onLoad", dojox.off.ui, dojox.off.ui._initialize);
-
-}