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handle note.type changing

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This commit is contained in:
Tom 2022-05-10 13:53:50 +02:00
parent c85f70e197
commit 3491e71084
1 changed files with 46 additions and 38 deletions
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84
src/public/app/widgets/type_widgets/canvas.js
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@ -159,47 +159,55 @@ export default class ExcalidrawTypeWidget extends TypeWidget {
* load saved content into excalidraw canvas
*/
else if (this.excalidrawRef.current && noteComplement.content) {
let content ={
elements: [],
appState: [],
files: [],
};
try {
const content = JSON.parse(noteComplement.content || "");
const {elements, appState, files} = content;
/**
* use widths and offsets of current view, since stored appState has the state from
* previous edit. using the stored state would lead to pointer mismatch.
*/
const boundingClientRect = this.excalidrawWrapperRef.current.getBoundingClientRect();
appState.width = boundingClientRect.width;
appState.height = boundingClientRect.height;
appState.offsetLeft = boundingClientRect.left;
appState.offsetTop = boundingClientRect.top;
const sceneData = {
elements,
appState,
collaborators: []
};
// files are expected in an array when loading. they are stored as an key-index object
// see example for loading here:
// https://github.com/excalidraw/excalidraw/blob/c5a7723185f6ca05e0ceb0b0d45c4e3fbcb81b2a/src/packages/excalidraw/example/App.js#L68
const fileArray = [];
for (const fileId in files) {
const file = files[fileId];
// TODO: dataURL is replaceable with a trilium image url
// maybe we can save normal images (pasted) with base64 data url, and trilium images
// with their respective url! nice
// file.dataURL = "http://localhost:8080/api/images/ltjOiU8nwoZx/start.png";
fileArray.push(file);
}
this.sceneVersion = window.Excalidraw.getSceneVersion(elements);
this.excalidrawRef.current.updateScene(sceneData);
this.excalidrawRef.current.addFiles(fileArray);
content = JSON.parse(noteComplement.content || "");
} catch(err) {
console.error("Error (note, noteComplement, err)", note, noteComplement, err);
console.error("Error parsing content. Probably note.type changed",
"Starting with empty canvas"
, note, noteComplement, err);
}
const {elements, appState, files} = content;
/**
* use widths and offsets of current view, since stored appState has the state from
* previous edit. using the stored state would lead to pointer mismatch.
*/
const boundingClientRect = this.excalidrawWrapperRef.current.getBoundingClientRect();
appState.width = boundingClientRect.width;
appState.height = boundingClientRect.height;
appState.offsetLeft = boundingClientRect.left;
appState.offsetTop = boundingClientRect.top;
const sceneData = {
elements,
appState,
collaborators: []
};
// files are expected in an array when loading. they are stored as an key-index object
// see example for loading here:
// https://github.com/excalidraw/excalidraw/blob/c5a7723185f6ca05e0ceb0b0d45c4e3fbcb81b2a/src/packages/excalidraw/example/App.js#L68
const fileArray = [];
for (const fileId in files) {
const file = files[fileId];
// TODO: dataURL is replaceable with a trilium image url
// maybe we can save normal images (pasted) with base64 data url, and trilium images
// with their respective url! nice
// file.dataURL = "http://localhost:8080/api/images/ltjOiU8nwoZx/start.png";
fileArray.push(file);
}
this.sceneVersion = window.Excalidraw.getSceneVersion(elements);
this.excalidrawRef.current.updateScene(sceneData);
this.excalidrawRef.current.addFiles(fileArray);
}
// set initial scene version