mirrors/TiddlyWiki5
1
0
Fork 0
mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2026-09-22 09:18:44 +00:00
Code Issues Releases Wiki Activity

Adds info tiddlers for viewport dimensions (#9260)

Browse Source 
* feat: added info tiddlers for viewport dimensions

* feat: multi window support for dimensions info tiddlers

* refactor: introduce standalone eventbus and refactor for ES2017

* docs: extended docs for InfoMechanism to cover new additions
This commit is contained in:
Saq Imtiaz
2025-10-06 17:00:13 +01:00
committed by GitHub
parent ee23097816
commit a36356a07d
5 changed files with 170 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
core/modules/startup/eventbus.js
+46
View File
@@ -0,0 +1,46 @@
/*\
title: $:/core/modules/startup/eventbus.js
type: application/javascript
module-type: startup
Event bus for cross module communication
\*/
exports.name = "eventbus";
exports.platforms = ["browser"];
exports.before = ["windows"];
exports.synchronous = true;
$tw.eventBus = {
listenersMap: new Map(),
on(event,handler) {
if(!this.listenersMap.has(event)) {
this.listenersMap.set(event,new Set());
}
const listeners = this.listenersMap.get(event);
listeners.add(handler);
},
off(event,handler) {
const listeners = this.listenersMap.get(event);
if(listeners) {
listeners.delete(handler);
}
},
once(event,handler) {
const wrapper = (...args) => {
handler(...args);
this.off(event, wrapper);
};
this.on(event, wrapper);
},
emit(event,data) {
const listeners = this.listenersMap.get(event);
if(listeners) {
listeners.forEach(fn => fn(data));
}
}
};
core/modules/startup/info.js
+10 -4
View File
@@ -19,11 +19,17 @@ var TITLE_INFO_PLUGIN = "$:/temp/info-plugin";
exports.startup = function() {
// Function to bake the info plugin with new tiddlers
var updateInfoPlugin = function(tiddlerFieldsArray) {
// additions: array of tiddler field objects
// removals: array of titles to remove
var updateInfoPlugin = function(additions = [], removals = []) {
// Get the existing tiddlers
var json = $tw.wiki.getTiddlerData(TITLE_INFO_PLUGIN,{tiddlers: {}});
// Add the new ones
$tw.utils.each(tiddlerFieldsArray,function(fields) {
$tw.utils.each(removals,function(title) {
if(json.tiddlers[title]) {
delete json.tiddlers[title];
}
});
$tw.utils.each(additions,function(fields) {
if(fields && fields.title) {
json.tiddlers[fields.title] = fields;
}
@@ -47,7 +53,7 @@ exports.startup = function() {
}
});
updateInfoPlugin(tiddlerFieldsArray);
var changes = $tw.wiki.readPluginInfo([TITLE_INFO_PLUGIN]);
$tw.wiki.readPluginInfo([TITLE_INFO_PLUGIN]);
$tw.wiki.registerPluginTiddlers("info",[TITLE_INFO_PLUGIN]);
$tw.wiki.unpackPluginTiddlers();
};
core/modules/startup/windows.js
+2
View File
@@ -56,9 +56,11 @@ exports.startup = function() {
srcDocument.write("<!DOCTYPE html><head></head><body class='tc-body tc-single-tiddler-window'></body></html>");
srcDocument.close();
srcDocument.title = windowTitle;
$tw.eventBus.emit("window:opened",{windowID, window: srcWindow});
srcWindow.addEventListener("beforeunload",function(event) {
delete $tw.windows[windowID];
$tw.wiki.removeEventListener("change",refreshHandler);
$tw.eventBus.emit("window:closed",{windowID});
},false);
// Set up the styles
var styleWidgetNode = $tw.wiki.makeTranscludeWidget("$:/core/ui/PageStylesheet",{