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feat: image support (#4011)

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Co-authored-by: Emil Atanasov <heitara@gmail.com>
Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>
This commit is contained in:
David Luzar 2021-10-21 22:05:48 +02:00 • committed by GitHub
parent 0f0244224d
commit 163ad1f4c4
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85 changed files with 3536 additions and 618 deletions
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26
src/clipboard.ts
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@ -3,19 +3,22 @@ import {
NonDeletedExcalidrawElement,
} from "./element/types";
import { getSelectedElements } from "./scene";
import { AppState } from "./types";
import { AppState, BinaryFiles } from "./types";
import { SVG_EXPORT_TAG } from "./scene/export";
import { tryParseSpreadsheet, Spreadsheet, VALID_SPREADSHEET } from "./charts";
import { EXPORT_DATA_TYPES } from "./constants";
import { EXPORT_DATA_TYPES, MIME_TYPES } from "./constants";
import { isInitializedImageElement } from "./element/typeChecks";
type ElementsClipboard = {
type: typeof EXPORT_DATA_TYPES.excalidrawClipboard;
elements: ExcalidrawElement[];
files: BinaryFiles | undefined;
};
export interface ClipboardData {
spreadsheet?: Spreadsheet;
elements?: readonly ExcalidrawElement[];
files?: BinaryFiles;
text?: string;
errorMessage?: string;
}
@ -37,7 +40,7 @@ export const probablySupportsClipboardBlob =
const clipboardContainsElements = (
contents: any,
): contents is { elements: ExcalidrawElement[] } => {
): contents is { elements: ExcalidrawElement[]; files?: BinaryFiles } => {
if (
[
EXPORT_DATA_TYPES.excalidraw,
@ -53,10 +56,18 @@ const clipboardContainsElements = (
export const copyToClipboard = async (
elements: readonly NonDeletedExcalidrawElement[],
appState: AppState,
files: BinaryFiles,
) => {
const selectedElements = getSelectedElements(elements, appState);
const contents: ElementsClipboard = {
type: EXPORT_DATA_TYPES.excalidrawClipboard,
elements: getSelectedElements(elements, appState),
elements: selectedElements,
files: selectedElements.reduce((acc, element) => {
if (isInitializedImageElement(element) && files[element.fileId]) {
acc[element.fileId] = files[element.fileId];
}
return acc;
}, {} as BinaryFiles),
};
const json = JSON.stringify(contents);
CLIPBOARD = json;
@ -138,7 +149,10 @@ export const parseClipboard = async (
try {
const systemClipboardData = JSON.parse(systemClipboard);
if (clipboardContainsElements(systemClipboardData)) {
return { elements: systemClipboardData.elements };
return {
elements: systemClipboardData.elements,
files: systemClipboardData.files,
};
}
return appClipboardData;
} catch {
@ -153,7 +167,7 @@ export const parseClipboard = async (
export const copyBlobToClipboardAsPng = async (blob: Blob) => {
await navigator.clipboard.write([
new window.ClipboardItem({ "image/png": blob }),
new window.ClipboardItem({ [MIME_TYPES.png]: blob }),
]);
};