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feat: element alignments - snapping (#6256)

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Co-authored-by: Ryan Di <ryan.weihao.di@gmail.com>
Co-authored-by: dwelle <luzar.david@gmail.com>
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hugofqt 2023-09-28 16:28:08 +02:00 • committed by GitHub
parent 4765f5536e
commit 4c35eba72d
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29 changed files with 2295 additions and 87 deletions
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21
src/scene/selection.ts
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@ -11,6 +11,7 @@ import {
getFrameElements,
} from "../frame";
import { isShallowEqual } from "../utils";
import { isElementInViewport } from "../element/sizeHelpers";
/**
* Frames and their containing elements are not to be selected at the same time.
@ -89,6 +90,26 @@ export const getElementsWithinSelection = (
return elementsInSelection;
};
export const getVisibleAndNonSelectedElements = (
elements: readonly NonDeletedExcalidrawElement[],
selectedElements: readonly NonDeletedExcalidrawElement[],
appState: AppState,
) => {
const selectedElementsSet = new Set(
selectedElements.map((element) => element.id),
);
return elements.filter((element) => {
const isVisible = isElementInViewport(
element,
appState.width,
appState.height,
appState,
);
return !selectedElementsSet.has(element.id) && isVisible;
});
};
// FIXME move this into the editor instance to keep utility methods stateless
export const isSomeElementSelected = (function () {
let lastElements: readonly NonDeletedExcalidrawElement[] | null = null;