TiddlyWiki5/core/modules/startup/rootwidget.js

58 wiersze
1.6 KiB
JavaScript

/*\
title: $:/core/modules/startup/rootwidget.js
type: application/javascript
module-type: startup
Setup the root widget and the core root widget handlers
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
// Export name and synchronous status
exports.name = "rootwidget";
exports.platforms = ["browser"];
exports.after = ["startup"];
exports.before = ["story"];
exports.synchronous = true;
exports.startup = function() {
// Install the modal message mechanism
$tw.modal = new $tw.utils.Modal($tw.wiki);
$tw.rootWidget.addEventListener("tm-modal",function(event) {
$tw.modal.display(event.param,{variables: event.paramObject});
});
// Install the notification mechanism
$tw.notifier = new $tw.utils.Notifier($tw.wiki);
$tw.rootWidget.addEventListener("tm-notify",function(event) {
$tw.notifier.display(event.param);
});
// Install the scroller
$tw.pageScroller = new $tw.utils.PageScroller();
$tw.rootWidget.addEventListener("tm-scroll",function(event) {
$tw.pageScroller.handleEvent(event);
});
var fullscreen = $tw.utils.getFullScreenApis();
if(fullscreen) {
$tw.rootWidget.addEventListener("tm-full-screen",function(event) {
if(document[fullscreen._fullscreenElement]) {
document[fullscreen._exitFullscreen]();
} else {
document.documentElement[fullscreen._requestFullscreen](Element.ALLOW_KEYBOARD_INPUT);
}
});
}
// If we're being viewed on a data: URI then give instructions for how to save
if(document.location.protocol === "data:") {
$tw.rootWidget.dispatchEvent({
type: "tm-modal",
param: "$:/language/Modals/SaveInstructions"
});
}
};
})();