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Support text drag & drop into markdown editor

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Along with image drop, this change adds text drop into the editor. 

This is useful for highlighting text and then drag that text into the description of a node. Similar creating a mermaid diagram using a third-party tool and then drag the text into the description.

Also drop text files is also supported for longer texts.
This commit is contained in:
Gerrit Riessen 2025-02-20 09:30:50 +01:00 committed by GitHub
parent ff565bacb4
commit 473b93f497
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1 changed files with 31 additions and 1 deletions
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30
packages/node_modules/@node-red/editor-client/src/js/ui/editors/markdown.js vendored
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@ -27,6 +27,12 @@
reader.readAsDataURL(file); reader.readAsDataURL(file);
} }
function file2Text(file,cb) {
file.arrayBuffer().then(d => {
cb( new TextDecoder().decode(d) )
}).catch(ex => { cb(`error: ${ex}`) })
}
var initialized = false; var initialized = false;
var currentEditor = null; var currentEditor = null;
/** /**
@ -52,6 +58,7 @@
if (files.length === 1) { if (files.length === 1) {
var file = files[0]; var file = files[0];
var name = file.name.toLowerCase(); var name = file.name.toLowerCase();
var fileType = file.type.toLowerCase();
if (name.match(/\.(apng|avif|gif|jpeg|png|svg|webp)$/)) { if (name.match(/\.(apng|avif|gif|jpeg|png|svg|webp)$/)) {
file2base64Image(file, function (image) { file2base64Image(file, function (image) {
@ -63,6 +70,29 @@
}); });
return; return;
} }
if ( fileType.startsWith("text/") ) {
file2Text(file, function (txt) {
var session = currentEditor.getSession();
var pos = session.getCursorPosition();
session.insert(pos, txt);
$("#red-ui-image-drop-target").hide();
});
return;
}
}
} else if ($.inArray("text/plain", ev.originalEvent.dataTransfer.types) != -1) {
let item = Object.values(ev.originalEvent.dataTransfer.items).filter(d => d.type == "text/plain")[0]
if (item) {
item.getAsString(txt => {
var session = currentEditor.getSession();
var pos = session.getCursorPosition();
session.insert(pos, txt);
$("#red-ui-image-drop-target").hide();
})
return
} }
} }
$("#red-ui-image-drop-target").hide(); $("#red-ui-image-drop-target").hide();