mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-04 23:39:57 +00:00
119 lines
4.5 KiB
JavaScript
119 lines
4.5 KiB
JavaScript
/*\
|
|
title: $:/core/modules/startup/render.js
|
|
type: application/javascript
|
|
module-type: startup
|
|
|
|
Title, stylesheet and page rendering
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
// Export name and synchronous status
|
|
exports.name = "render";
|
|
exports.platforms = ["browser"];
|
|
exports.after = ["story"];
|
|
exports.synchronous = true;
|
|
|
|
// Default story and history lists
|
|
var PAGE_TITLE_TITLE = "$:/core/wiki/title";
|
|
var PAGE_STYLESHEET_TITLE = "$:/core/ui/PageStylesheet";
|
|
var PAGE_TEMPLATE_TITLE = "$:/core/ui/RootTemplate";
|
|
|
|
// Time (in ms) that we defer refreshing changes to draft tiddlers
|
|
var DRAFT_TIDDLER_TIMEOUT_TITLE = "$:/config/Drafts/TypingTimeout";
|
|
var THROTTLE_REFRESH_TIMEOUT = 400;
|
|
|
|
exports.startup = function() {
|
|
// Set up the title
|
|
$tw.titleWidgetNode = $tw.wiki.makeTranscludeWidget(PAGE_TITLE_TITLE,{document: $tw.fakeDocument, parseAsInline: true});
|
|
$tw.titleContainer = $tw.fakeDocument.createElement("div");
|
|
$tw.titleWidgetNode.render($tw.titleContainer,null);
|
|
document.title = $tw.titleContainer.textContent;
|
|
$tw.wiki.addEventListener("change",function(changes) {
|
|
if($tw.titleWidgetNode.refresh(changes,$tw.titleContainer,null)) {
|
|
document.title = $tw.titleContainer.textContent;
|
|
}
|
|
});
|
|
// Set up the styles
|
|
$tw.styleWidgetNode = $tw.wiki.makeTranscludeWidget(PAGE_STYLESHEET_TITLE,{document: $tw.fakeDocument});
|
|
$tw.styleContainer = $tw.fakeDocument.createElement("style");
|
|
$tw.styleWidgetNode.render($tw.styleContainer,null);
|
|
$tw.styleWidgetNode.assignedStyles = $tw.styleContainer.textContent;
|
|
$tw.styleElement = document.createElement("style");
|
|
$tw.styleElement.innerHTML = $tw.styleWidgetNode.assignedStyles;
|
|
document.head.insertBefore($tw.styleElement,document.head.firstChild);
|
|
$tw.wiki.addEventListener("change",$tw.perf.report("styleRefresh",function(changes) {
|
|
if($tw.styleWidgetNode.refresh(changes,$tw.styleContainer,null)) {
|
|
var newStyles = $tw.styleContainer.textContent;
|
|
if(newStyles !== $tw.styleWidgetNode.assignedStyles) {
|
|
$tw.styleWidgetNode.assignedStyles = newStyles;
|
|
$tw.styleElement.innerHTML = $tw.styleWidgetNode.assignedStyles;
|
|
}
|
|
}
|
|
}));
|
|
// Display the $:/core/ui/PageTemplate tiddler to kick off the display
|
|
$tw.perf.report("mainRender",function() {
|
|
$tw.pageWidgetNode = $tw.wiki.makeTranscludeWidget(PAGE_TEMPLATE_TITLE,{document: document, parentWidget: $tw.rootWidget, recursionMarker: "no"});
|
|
$tw.pageContainer = document.createElement("div");
|
|
$tw.utils.addClass($tw.pageContainer,"tc-page-container-wrapper");
|
|
document.body.insertBefore($tw.pageContainer,document.body.firstChild);
|
|
$tw.pageWidgetNode.render($tw.pageContainer,null);
|
|
$tw.hooks.invokeHook("th-page-refreshed");
|
|
})();
|
|
// Remove any splash screen elements
|
|
var removeList = document.querySelectorAll(".tc-remove-when-wiki-loaded");
|
|
$tw.utils.each(removeList,function(removeItem) {
|
|
if(removeItem.parentNode) {
|
|
removeItem.parentNode.removeChild(removeItem);
|
|
}
|
|
});
|
|
// Prepare refresh mechanism
|
|
var deferredChanges = Object.create(null),
|
|
timerId;
|
|
function refresh() {
|
|
// Process the refresh
|
|
$tw.hooks.invokeHook("th-page-refreshing");
|
|
$tw.pageWidgetNode.refresh(deferredChanges);
|
|
deferredChanges = Object.create(null);
|
|
$tw.hooks.invokeHook("th-page-refreshed");
|
|
}
|
|
// Add the change event handler
|
|
$tw.wiki.addEventListener("change",$tw.perf.report("mainRefresh",function(changes) {
|
|
// Check if only tiddlers that are throttled have changed
|
|
var onlyThrottledTiddlersHaveChanged = true;
|
|
for(var title in changes) {
|
|
var tiddler = $tw.wiki.getTiddler(title);
|
|
if(!$tw.wiki.isVolatileTiddler(title) && (!tiddler || !(tiddler.hasField("draft.of") || tiddler.hasField("throttle.refresh")))) {
|
|
onlyThrottledTiddlersHaveChanged = false;
|
|
}
|
|
}
|
|
// Defer the change if only drafts have changed
|
|
if(timerId) {
|
|
clearTimeout(timerId);
|
|
}
|
|
timerId = null;
|
|
if(onlyThrottledTiddlersHaveChanged) {
|
|
var timeout = parseInt($tw.wiki.getTiddlerText(DRAFT_TIDDLER_TIMEOUT_TITLE,""),10);
|
|
if(isNaN(timeout)) {
|
|
timeout = THROTTLE_REFRESH_TIMEOUT;
|
|
}
|
|
timerId = setTimeout(refresh,timeout);
|
|
$tw.utils.extend(deferredChanges,changes);
|
|
} else {
|
|
$tw.utils.extend(deferredChanges,changes);
|
|
refresh();
|
|
}
|
|
}));
|
|
// Fix up the link between the root widget and the page container
|
|
$tw.rootWidget.domNodes = [$tw.pageContainer];
|
|
$tw.rootWidget.children = [$tw.pageWidgetNode];
|
|
// Run any post-render startup actions
|
|
$tw.rootWidget.invokeActionsByTag("$:/tags/StartupAction/PostRender");
|
|
};
|
|
|
|
})();
|