snapshot of https://github.com/excalidraw/excalidraw.git (master, 2026-09-16; blobs > 131072B omitted)

packages/excalidraw/components/Stats/MultiAngle.tsx

@@ -0,0 +1,135 @@
+import { degreesToRadians, radiansToDegrees } from "@excalidraw/math";
+
+import { getBoundTextElement } from "@excalidraw/element";
+import { isArrowElement } from "@excalidraw/element";
+
+import { isInGroup } from "@excalidraw/element";
+
+import type { Degrees } from "@excalidraw/math";
+
+import type { NonDeletedExcalidrawElement } from "@excalidraw/element/types";
+
+import type { Scene } from "@excalidraw/element";
+
+import { angleIcon } from "../icons";
+
+import DragInput from "./DragInput";
+import { getStepSizedValue, isPropertyEditable } from "./utils";
+
+import type { DragInputCallbackType } from "./DragInput";
+import type { AppState } from "../../types";
+
+interface MultiAngleProps {
+  elements: readonly NonDeletedExcalidrawElement[];
+  scene: Scene;
+  appState: AppState;
+  property: "angle";
+}
+
+const STEP_SIZE = 15;
+
+const handleDegreeChange: DragInputCallbackType<
+  MultiAngleProps["property"]
+> = ({
+  accumulatedChange,
+  originalElements,
+  shouldChangeByStepSize,
+  nextValue,
+  property,
+  scene,
+}) => {
+  const elementsMap = scene.getNonDeletedElementsMap();
+  const editableLatestIndividualElements = originalElements
+    .map((el) => elementsMap.get(el.id))
+    .filter((el) => el && !isInGroup(el) && isPropertyEditable(el, property));
+  const editableOriginalIndividualElements = originalElements.filter(
+    (el) => !isInGroup(el) && isPropertyEditable(el, property),
+  );
+
+  if (nextValue !== undefined) {
+    const nextAngle = degreesToRadians(nextValue as Degrees);
+
+    for (const element of editableLatestIndividualElements) {
+      if (!element) {
+        continue;
+      }
+      scene.mutateElement(element, {
+        angle: nextAngle,
+      });
+
+      const boundTextElement = getBoundTextElement(element, elementsMap);
+      if (boundTextElement && !isArrowElement(element)) {
+        scene.mutateElement(boundTextElement, { angle: nextAngle });
+      }
+    }
+
+    scene.triggerUpdate();
+
+    return;
+  }
+
+  for (let i = 0; i < editableLatestIndividualElements.length; i++) {
+    const latestElement = editableLatestIndividualElements[i];
+    if (!latestElement) {
+      continue;
+    }
+    const originalElement = editableOriginalIndividualElements[i];
+    const originalAngleInDegrees =
+      Math.round(radiansToDegrees(originalElement.angle) * 100) / 100;
+    const changeInDegrees = Math.round(accumulatedChange);
+    let nextAngleInDegrees = (originalAngleInDegrees + changeInDegrees) % 360;
+    if (shouldChangeByStepSize) {
+      nextAngleInDegrees = getStepSizedValue(nextAngleInDegrees, STEP_SIZE);
+    }
+
+    nextAngleInDegrees =
+      nextAngleInDegrees < 0 ? nextAngleInDegrees + 360 : nextAngleInDegrees;
+
+    const nextAngle = degreesToRadians(nextAngleInDegrees as Degrees);
+
+    scene.mutateElement(latestElement, {
+      angle: nextAngle,
+    });
+
+    const boundTextElement = getBoundTextElement(latestElement, elementsMap);
+    if (boundTextElement && !isArrowElement(latestElement)) {
+      scene.mutateElement(boundTextElement, { angle: nextAngle });
+    }
+  }
+  scene.triggerUpdate();
+};
+
+const MultiAngle = ({
+  elements,
+  scene,
+  appState,
+  property,
+}: MultiAngleProps) => {
+  const editableLatestIndividualElements = elements.filter(
+    (el) => !isInGroup(el) && isPropertyEditable(el, "angle"),
+  );
+  const angles = editableLatestIndividualElements.map(
+    (el) => Math.round((radiansToDegrees(el.angle) % 360) * 100) / 100,
+  );
+  const value = new Set(angles).size === 1 ? angles[0] : "Mixed";
+
+  const editable = editableLatestIndividualElements.some((el) =>
+    isPropertyEditable(el, "angle"),
+  );
+
+  return (
+    <DragInput
+      label="A"
+      icon={angleIcon}
+      value={value}
+      elements={elements}
+      dragInputCallback={handleDegreeChange}
+      editable={editable}
+      appState={appState}
+      scene={scene}
+      property={property}
+    />
+  );
+};
+
+export default MultiAngle;