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Code Issues Releases Wiki Activity

Update render.js

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Simon Huber 2024-10-14 06:52:21 +02:00 committed by GitHub
parent e44d6f4d7b
commit 0a7c57c860
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1 changed files with 35 additions and 29 deletions
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64
core/modules/startup/render.js
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@ -50,14 +50,46 @@ exports.startup = function() {
$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) {
// Prepare refresh mechanism
var deferredChanges = Object.create(null),
timerId,
throttledRefreshFn = function(changes,callback,mainCondition,styleCondition) {
// 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") || (mainCondition && tiddler.hasField("throttle.refresh.main")) || (styleCondition && tiddler.hasField("throttle.refresh.style"))))) {
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(throttledRefresh,timeout);
$tw.utils.extend(deferredChanges,changes);
} else {
$tw.utils.extend(deferredChanges,changes);
callback(changes);
}
};
function styleRefresh(changes) {
if($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;
}
}
}
}
$tw.wiki.addEventListener("change",$tw.perf.report("styleRefresh",function(changes) {
throttledRefreshFn(changes,styleRefresh,false,true);
}));
// Display the $:/core/ui/PageTemplate tiddler to kick off the display
$tw.perf.report("mainRender",function() {
@ -75,9 +107,6 @@ exports.startup = function() {
removeItem.parentNode.removeChild(removeItem);
}
});
// Prepare refresh mechanism
var deferredChanges = Object.create(null),
timerId;
function refresh() {
// Process the refresh
$tw.hooks.invokeHook("th-page-refreshing");
@ -89,30 +118,7 @@ exports.startup = function() {
// 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(throttledRefresh,timeout);
$tw.utils.extend(deferredChanges,changes);
} else {
$tw.utils.extend(deferredChanges,changes);
refresh();
}
throttledRefreshFn(changes,refresh,true,false);
}));
// Fix up the link between the root widget and the page container
$tw.rootWidget.domNodes = [$tw.pageContainer];