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Subtypes: add another test.

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This commit is contained in:
Daniel J. Geiger 2023-04-28 13:03:03 -05:00
parent ab3467973f
commit 63698572db
4 changed files with 104 additions and 30 deletions
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37
src/subtypes.ts
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@ -14,8 +14,13 @@ import {
registerCustomShortcuts,
} from "./actions/shortcuts";
import { register } from "./actions/register";
import { hasBoundTextElement } from "./element/typeChecks";
import { getBoundTextElement } from "./element/textElement";
import { hasBoundTextElement, isTextElement } from "./element/typeChecks";
import {
getBoundTextElement,
getContainerElement,
redrawTextBoundingBox,
} from "./element/textElement";
import { invalidateShapeForElement } from "./renderer/renderElement";
// Use "let" instead of "const" so we can dynamically add subtypes
let subtypeNames: readonly Subtype[] = [];
@ -319,9 +324,8 @@ export const selectSubtype = (
// Callback to re-render subtyped `ExcalidrawElement`s after completing
// async loading of the subtype.
export type SubtypeLoadedCb = (
hasSubtype: (element: ExcalidrawElement) => boolean,
) => void;
export type SubtypeLoadedCb = (hasSubtype: SubtypeCheckFn) => void;
export type SubtypeCheckFn = (element: ExcalidrawElement) => boolean;
// Functions to prepare subtypes for use
export type SubtypePrepFn = (
@ -440,3 +444,26 @@ export const ensureSubtypesLoaded = async (
callback();
}
};
// Call this method after finishing any async loading for
// subtypes of ExcalidrawElement if the newly loaded code
// would change the rendering.
export const checkRefreshOnSubtypeLoad = (
hasSubtype: SubtypeCheckFn,
elements: readonly ExcalidrawElement[],
) => {
let refreshNeeded = false;
getNonDeletedElements(elements).forEach((element) => {
// If the element is of the subtype that was just
// registered, update the element's dimensions, mark the
// element for a re-render, and indicate the scene needs a refresh.
if (hasSubtype(element)) {
invalidateShapeForElement(element);
if (isTextElement(element)) {
redrawTextBoundingBox(element, getContainerElement(element));
}
refreshNeeded = true;
}
});
return refreshNeeded;
};