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Code Issues Packages Projects Releases Wiki Activity

RSOE: Add emergency tiddlers download button (#7966)

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This commit is contained in:
Jeremy Ruston
2024-02-28 11:29:32 +00:00
committed by GitHub
parent 70178dce78
commit 3543fe53ff
3 changed files with 31 additions and 2 deletions
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30
boot/boot.js
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@@ -177,6 +177,7 @@ document: defaults to current document
eventListeners: array of event listeners (this option won't work until $tw.utils.addEventListeners() has been loaded)
*/
$tw.utils.domMaker = function(tag,options) {
var options = options || {};
var doc = options.document || document;
var element = doc.createElementNS(options.namespace || "http://www.w3.org/1999/xhtml",tag);
if(options["class"]) {
@@ -218,9 +219,34 @@ $tw.utils.error = function(err) {
heading = dm("h1",{text: errHeading}),
prompt = dm("div",{text: promptMsg, "class": "tc-error-prompt"}),
message = dm("div",{text: err, "class":"tc-error-message"}),
button = dm("div",{children: [dm("button",{text: ( $tw.language == undefined ? "close" : $tw.language.getString("Buttons/Close/Caption") )})], "class": "tc-error-prompt"}),
form = dm("form",{children: [heading,prompt,message,button], "class": "tc-error-form"});
closeButton = dm("div",{children: [dm("button",{text: ( $tw.language == undefined ? "close" : $tw.language.getString("Buttons/Close/Caption") )})], "class": "tc-error-prompt"}),
downloadButton = dm("div",{children: [dm("button",{text: ( $tw.language == undefined ? "download tiddlers" : $tw.language.getString("Buttons/EmergencyDownload/Caption") )})], "class": "tc-error-prompt"}),
form = dm("form",{children: [heading,prompt,downloadButton,message,closeButton], "class": "tc-error-form"});
document.body.insertBefore(form,document.body.firstChild);
downloadButton.addEventListener("click",function(event) {
if($tw && $tw.wiki) {
var tiddlers = [];
$tw.wiki.each(function(tiddler,title) {
tiddlers.push(tiddler.fields);
});
var link = dm("a"),
text = JSON.stringify(tiddlers);
if(Blob !== undefined) {
var blob = new Blob([text], {type: "text/html"});
link.setAttribute("href", URL.createObjectURL(blob));
} else {
link.setAttribute("href","data:text/html," + encodeURIComponent(text));
}
link.setAttribute("download","emergency-tiddlers-" + (new Date()) + ".json");
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
} else {
alert("Emergency tiddler download is not available");
}
event.preventDefault();
return false;
},true);
form.addEventListener("submit",function(event) {
document.body.removeChild(form);
event.preventDefault();