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import { KEYS } from "../keys";
import { isInvisiblySmallElement } from "../element";
import { arrayToMap, updateActiveTool } from "../utils";
import { ToolButton } from "../components/ToolButton";
import { done } from "../components/icons";
import { t } from "../i18n";
import { register } from "./register";
import { mutateElement } from "../element/mutateElement";
import { LinearElementEditor } from "../element/linearElementEditor";
import {
maybeBindLinearElement,
bindOrUnbindLinearElement,
} from "../element/binding";
import { isBindingElement, isLinearElement } from "../element/typeChecks";
import type { AppState } from "../types";
import { resetCursor } from "../cursor";
import { CaptureUpdateAction } from "../store";
import { pointFrom } from "@excalidraw/math";
import { isPathALoop } from "../shapes";
export const actionFinalize = register({
name: "finalize",
label: "",
trackEvent: false,
perform: (elements, appState, _, app) => {
const { interactiveCanvas, focusContainer, scene } = app;
const elementsMap = scene.getNonDeletedElementsMap();
if (appState.editingLinearElement) {
const { elementId, startBindingElement, endBindingElement } =
appState.editingLinearElement;
const element = LinearElementEditor.getElement(elementId, elementsMap);
if (element) {
if (isBindingElement(element)) {
bindOrUnbindLinearElement(
element,
startBindingElement,
endBindingElement,
elementsMap,
scene,
);
}
return {
elements:
element.points.length < 2 || isInvisiblySmallElement(element)
? elements.filter((el) => el.id !== element.id)
: undefined,
appState: {
...appState,
cursorButton: "up",
editingLinearElement: null,
},
captureUpdate: CaptureUpdateAction.IMMEDIATELY,
};
}
}
let newElements = elements;
const pendingImageElement =
appState.pendingImageElementId &&
scene.getElement(appState.pendingImageElementId);
if (pendingImageElement) {
mutateElement(pendingImageElement, { isDeleted: true }, false);
}
if (window.document.activeElement instanceof HTMLElement) {
focusContainer();
}
const multiPointElement = appState.multiElement
? appState.multiElement
: appState.newElement?.type === "freedraw"
? appState.newElement
: null;
if (multiPointElement) {
// pen and mouse have hover
if (
multiPointElement.type !== "freedraw" &&
appState.lastPointerDownWith !== "touch"
) {
const { points, lastCommittedPoint } = multiPointElement;
if (
!lastCommittedPoint ||
points[points.length - 1] !== lastCommittedPoint
) {
mutateElement(multiPointElement, {
points: multiPointElement.points.slice(0, -1),
});
}
}
if (isInvisiblySmallElement(multiPointElement)) {
// TODO: #7348 in theory this gets recorded by the store, so the invisible elements could be restored by the undo/redo, which might be not what we would want
newElements = newElements.filter(
(el) => el.id !== multiPointElement.id,
);
}
// If the multi point line closes the loop,
// set the last point to first point.
// This ensures that loop remains closed at different scales.
const isLoop = isPathALoop(multiPointElement.points, appState.zoom.value);
if (
multiPointElement.type === "line" ||
multiPointElement.type === "freedraw"
) {
if (isLoop) {
const linePoints = multiPointElement.points;
const firstPoint = linePoints[0];
mutateElement(multiPointElement, {
points: linePoints.map((p, index) =>
index === linePoints.length - 1
? pointFrom(firstPoint[0], firstPoint[1])
: p,
),
});
}
}
if (
isBindingElement(multiPointElement) &&
!isLoop &&
multiPointElement.points.length > 1
) {
const [x, y] = LinearElementEditor.getPointAtIndexGlobalCoordinates(
multiPointElement,
-1,
arrayToMap(elements),
);
maybeBindLinearElement(
multiPointElement,
appState,
{ x, y },
elementsMap,
elements,
);
}
}
if (
(!appState.activeTool.locked &&
appState.activeTool.type !== "freedraw") ||
!multiPointElement
) {
resetCursor(interactiveCanvas);
}
let activeTool: AppState["activeTool"];
if (appState.activeTool.type === "eraser") {
activeTool = updateActiveTool(appState, {
...(appState.activeTool.lastActiveTool || {
type: "selection",
}),
lastActiveToolBeforeEraser: null,
});
} else {
activeTool = updateActiveTool(appState, {
type: "selection",
});
}
return {
elements: newElements,
appState: {
...appState,
cursorButton: "up",
activeTool:
(appState.activeTool.locked ||
appState.activeTool.type === "freedraw") &&
multiPointElement
? appState.activeTool
: activeTool,
activeEmbeddable: null,
newElement: null,
selectionElement: null,
multiElement: null,
editingTextElement: null,
startBoundElement: null,
suggestedBindings: [],
selectedElementIds:
multiPointElement &&
!appState.activeTool.locked &&
appState.activeTool.type !== "freedraw"
? {
...appState.selectedElementIds,
[multiPointElement.id]: true,
}
: appState.selectedElementIds,
// To select the linear element when user has finished mutipoint editing
selectedLinearElement:
multiPointElement && isLinearElement(multiPointElement)
? new LinearElementEditor(multiPointElement)
: appState.selectedLinearElement,
pendingImageElementId: null,
},
// TODO: #7348 we should not capture everything, but if we don't, it leads to incosistencies -> revisit
captureUpdate: CaptureUpdateAction.IMMEDIATELY,
};
},
keyTest: (event, appState) =>
(event.key === KEYS.ESCAPE &&
(appState.editingLinearElement !== null ||
(!appState.newElement && appState.multiElement === null))) ||
((event.key === KEYS.ESCAPE || event.key === KEYS.ENTER) &&
appState.multiElement !== null),
PanelComponent: ({ appState, updateData, data }) => (
<ToolButton
type="button"
icon={done}
title={t("buttons.done")}
aria-label={t("buttons.done")}
onClick={updateData}
visible={appState.multiElement != null}
size={data?.size || "medium"}
style={{ pointerEvents: "all" }}
/>
),
});
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