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

packages/excalidraw/components/ElementLinkDialog.tsx

@@ -0,0 +1,180 @@
+import { useCallback, useEffect, useState } from "react";
+
+import { normalizeLink, KEYS } from "@excalidraw/common";
+
+import {
+  defaultGetElementLinkFromSelection,
+  getLinkIdAndTypeFromSelection,
+} from "@excalidraw/element";
+
+import type { ExcalidrawElement } from "@excalidraw/element/types";
+
+import type { Scene } from "@excalidraw/element";
+
+import { t } from "../i18n";
+import { getSelectedElements } from "../scene";
+
+import DialogActionButton from "./DialogActionButton";
+import { TextField } from "./TextField";
+import { IconButton } from "./IconButton";
+import { TrashIcon } from "./icons";
+
+import "./ElementLinkDialog.scss";
+
+import type { AppProps, AppState, UIAppState } from "../types";
+const ElementLinkDialog = ({
+  sourceElementId,
+  onClose,
+  appState,
+  scene,
+  generateLinkForSelection = defaultGetElementLinkFromSelection,
+}: {
+  sourceElementId: ExcalidrawElement["id"];
+  appState: UIAppState;
+  scene: Scene;
+  onClose?: () => void;
+  generateLinkForSelection: AppProps["generateLinkForSelection"];
+}) => {
+  const elementsMap = scene.getNonDeletedElementsMap();
+  const originalLink = elementsMap.get(sourceElementId)?.link ?? null;
+
+  const [nextLink, setNextLink] = useState<string | null>(originalLink);
+  const [linkEdited, setLinkEdited] = useState(false);
+
+  useEffect(() => {
+    const selectedElements = getSelectedElements(elementsMap, appState);
+    let nextLink = originalLink;
+
+    if (selectedElements.length > 0 && generateLinkForSelection) {
+      const idAndType = getLinkIdAndTypeFromSelection(
+        selectedElements,
+        appState as AppState,
+      );
+
+      if (idAndType) {
+        nextLink = normalizeLink(
+          generateLinkForSelection(idAndType.id, idAndType.type),
+        );
+      }
+    }
+
+    setNextLink(nextLink);
+  }, [
+    elementsMap,
+    appState,
+    appState.selectedElementIds,
+    originalLink,
+    generateLinkForSelection,
+  ]);
+
+  const handleConfirm = useCallback(() => {
+    if (nextLink && nextLink !== elementsMap.get(sourceElementId)?.link) {
+      const elementToLink = elementsMap.get(sourceElementId);
+      elementToLink &&
+        scene.mutateElement(elementToLink, {
+          link: nextLink,
+        });
+    }
+
+    if (!nextLink && linkEdited && sourceElementId) {
+      const elementToLink = elementsMap.get(sourceElementId);
+      elementToLink &&
+        scene.mutateElement(elementToLink, {
+          link: null,
+        });
+    }
+
+    onClose?.();
+  }, [sourceElementId, nextLink, elementsMap, linkEdited, scene, onClose]);
+
+  useEffect(() => {
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (
+        appState.openDialog?.name === "elementLinkSelector" &&
+        event.key === KEYS.ENTER
+      ) {
+        handleConfirm();
+      }
+
+      if (
+        appState.openDialog?.name === "elementLinkSelector" &&
+        event.key === KEYS.ESCAPE
+      ) {
+        onClose?.();
+      }
+    };
+
+    window.addEventListener("keydown", handleKeyDown);
+
+    return () => {
+      window.removeEventListener("keydown", handleKeyDown);
+    };
+  }, [appState, onClose, handleConfirm]);
+
+  return (
+    <div className="ElementLinkDialog">
+      <div className="ElementLinkDialog__header">
+        <h2>{t("elementLink.title")}</h2>
+        <p>{t("elementLink.desc")}</p>
+      </div>
+
+      <div className="ElementLinkDialog__input">
+        <TextField
+          value={nextLink ?? ""}
+          onChange={(value) => {
+            if (!linkEdited) {
+              setLinkEdited(true);
+            }
+            setNextLink(value);
+          }}
+          onKeyDown={(event) => {
+            if (event.key === KEYS.ENTER) {
+              handleConfirm();
+            }
+          }}
+          className="ElementLinkDialog__input-field"
+          selectOnRender
+        />
+
+        {originalLink && nextLink && (
+          <IconButton
+            type="button"
+            title={t("buttons.remove")}
+            aria-label={t("buttons.remove")}
+            label={t("buttons.remove")}
+            onClick={() => {
+              // removes the link from the input
+              // but doesn't update the element
+
+              // when confirmed, will remove the link from the element
+              setNextLink(null);
+              setLinkEdited(true);
+            }}
+            className="ElementLinkDialog__remove"
+            icon={TrashIcon}
+          />
+        )}
+      </div>
+
+      <div className="ElementLinkDialog__actions">
+        <DialogActionButton
+          label={t("buttons.cancel")}
+          onClick={() => {
+            onClose?.();
+          }}
+          style={{
+            marginRight: 10,
+          }}
+        />
+
+        <DialogActionButton
+          label={t("buttons.confirm")}
+          onClick={handleConfirm}
+          actionType="primary"
+        />
+      </div>
+    </div>
+  );
+};
+
+export default ElementLinkDialog;