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Drawio: Started browser drawing backup store system

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Adds just the part to store image data, and remove on successfull save.
Alters save events to properly throw upon error.
Adds IDB-Keyval library for local large-size store.
For #4421
This commit is contained in:
Dan Brown
2023-08-22 19:30:39 +01:00
parent cbcec189fd
commit a4fbde9185
7 changed files with 61 additions and 28 deletions
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32
resources/js/wysiwyg/plugin-drawio.js
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@ -1,4 +1,5 @@
import * as DrawIO from '../services/drawio';
import {wait} from '../services/util';
let pageEditor = null;
let currentNode = null;
@ -57,24 +58,27 @@ async function updateContent(pngData) {
});
} catch (err) {
handleUploadError(err);
throw new Error(`Failed to save image with error: ${err}`);
}
return;
}
setTimeout(async () => {
pageEditor.insertContent(`<div drawio-diagram contenteditable="false"><img src="${loadingImage}" id="${id}"></div>`);
DrawIO.close();
try {
const img = await DrawIO.upload(pngData, options.pageId);
pageEditor.undoManager.transact(() => {
pageEditor.dom.setAttrib(id, 'src', img.url);
pageEditor.dom.get(id).parentNode.setAttribute('drawio-diagram', img.id);
});
} catch (err) {
pageEditor.dom.remove(id);
handleUploadError(err);
}
}, 5);
await wait(5);
pageEditor.insertContent(`<div drawio-diagram contenteditable="false"><img src="${loadingImage}" id="${id}"></div>`);
DrawIO.close();
try {
const img = await DrawIO.upload(pngData, options.pageId);
pageEditor.undoManager.transact(() => {
pageEditor.dom.setAttrib(id, 'src', img.url);
pageEditor.dom.get(id).parentNode.setAttribute('drawio-diagram', img.id);
});
} catch (err) {
pageEditor.dom.remove(id);
handleUploadError(err);
throw new Error(`Failed to save image with error: ${err}`);
}
}
function drawingInit() {