Alt-drag duplication

packages/excalidraw/components/App.tsx

@@ -126,7 +126,6 @@ import { restore, restoreElements } from "../data/restore";
 import {
   dragNewElement,
   dragSelectedElements,
-  duplicateElement,
   getCommonBounds,
   getCursorForResizingElement,
   getDragOffsetXY,
@@ -152,7 +151,6 @@ import {
   bindOrUnbindLinearElement,
   bindOrUnbindLinearElements,
   fixBindingsAfterDeletion,
-  fixBindingsAfterDuplication,
   getHoveredElementForBinding,
   isBindingEnabled,
   isLinearElementSimpleAndAlreadyBound,
@@ -291,7 +289,6 @@ import {
 } from "../element/image";
 import { fileOpen } from "../data/filesystem";
 import {
-  bindTextToShapeAfterDuplication,
   getBoundTextElement,
   getContainerCenter,
   getContainerElement,
@@ -308,7 +305,6 @@ import { Fonts, getLineHeight } from "../fonts";
 import {
   getFrameChildren,
   isCursorInFrame,
-  bindElementsToFramesAfterDuplication,
   addElementsToFrame,
   replaceAllElementsInFrame,
   removeElementsFromFrame,
@@ -8423,129 +8419,26 @@ class App extends React.Component<AppProps, AppState> {
 
             pointerDownState.hit.hasBeenDuplicated = true;
 
-            const nextElements = [];
-            const elementsToAppend = [];
-            const groupIdMap = new Map();
-            const oldIdToDuplicatedId = new Map();
             const hitElement = pointerDownState.hit.element;
-            const selectedElementIds = new Set(
+            const selectedElements = this.scene.getSelectedElements({
-              this.scene
-                .getSelectedElements({
               selectedElementIds: this.state.selectedElementIds,
               includeBoundTextElement: true,
               includeElementsInFrames: true,
-                })
+            });
-                .map((element) => element.id),
-            );
-
-            const elements = this.scene.getElementsIncludingDeleted();
-
-            for (const element of elements) {
-              const isInSelection =
-                selectedElementIds.has(element.id) ||
-                // case: the state.selectedElementIds might not have been
-                // updated yet by the time this mousemove event is fired
-                (element.id === hitElement?.id &&
-                  pointerDownState.hit.wasAddedToSelection);
-
-              if (isInSelection) {
-                const duplicatedElement = duplicateElement(
-                  this.state.editingGroupId,
-                  groupIdMap,
-                  element,
-                  undefined,
-                  true,
-                );
-
-                // NOTE (mtolmacs): This is a temporary fix for very large scenes
             if (
-                  Math.abs(duplicatedElement.x) > 1e7 ||
+              hitElement &&
-                  Math.abs(duplicatedElement.x) > 1e7 ||
+              !selectedElements.find((el) => el.id === hitElement.id)
-                  Math.abs(duplicatedElement.width) > 1e7 ||
-                  Math.abs(duplicatedElement.height) > 1e7
             ) {
-                  console.error(
+              selectedElements.push(hitElement);
-                    `Alt+dragging duplicated element with invalid dimensions`,
-                    duplicatedElement.x,
-                    duplicatedElement.y,
-                    duplicatedElement.width,
-                    duplicatedElement.height,
-                  );
-
-                  return;
             }
-
+            const clonedElements = duplicateElements(selectedElements, {
-                const origElement = pointerDownState.originalElements.get(
+              appState: this.state,
-                  element.id,
+              randomizeSeed: true,
-                )!;
-
-                // NOTE (mtolmacs): This is a temporary fix for very large scenes
-                if (
-                  Math.abs(origElement.x) > 1e7 ||
-                  Math.abs(origElement.x) > 1e7 ||
-                  Math.abs(origElement.width) > 1e7 ||
-                  Math.abs(origElement.height) > 1e7
-                ) {
-                  console.error(
-                    `Alt+dragging duplicated element with invalid dimensions`,
-                    origElement.x,
-                    origElement.y,
-                    origElement.width,
-                    origElement.height,
-                  );
-
-                  return;
-                }
-
-                mutateElement(duplicatedElement, {
-                  x: origElement.x,
-                  y: origElement.y,
             });
 
-                // put duplicated element to pointerDownState.originalElements
+            const nextSceneElements = syncMovedIndices(
-                // so that we can snap to the duplicated element without releasing
+              [...clonedElements, ...this.scene.getElementsIncludingDeleted()],
-                pointerDownState.originalElements.set(
+              arrayToMap(clonedElements),
-                  duplicatedElement.id,
-                  duplicatedElement,
-                );
-
-                nextElements.push(duplicatedElement);
-                elementsToAppend.push(element);
-                oldIdToDuplicatedId.set(element.id, duplicatedElement.id);
-              } else {
-                nextElements.push(element);
-              }
-            }
-
-            let nextSceneElements: ExcalidrawElement[] = [
-              ...nextElements,
-              ...elementsToAppend,
-            ];
-
-            const mappedNewSceneElements = this.props.onDuplicate?.(
-              nextSceneElements,
-              elements,
-            );
-
-            nextSceneElements = mappedNewSceneElements || nextSceneElements;
-
-            syncMovedIndices(nextSceneElements, arrayToMap(elementsToAppend));
-
-            bindTextToShapeAfterDuplication(
-              nextElements,
-              elementsToAppend,
-              oldIdToDuplicatedId,
-            );
-            fixBindingsAfterDuplication(
-              nextSceneElements,
-              elementsToAppend,
-              oldIdToDuplicatedId,
-              "duplicatesServeAsOld",
-            );
-            bindElementsToFramesAfterDuplication(
-              nextSceneElements,
-              elementsToAppend,
-              oldIdToDuplicatedId,
             );
 
             this.scene.replaceAllElements(nextSceneElements);

packages/excalidraw/renderer/interactiveScene.ts

@@ -51,13 +51,7 @@ import {
 } from "../scene/scrollbars";
 import { getCornerRadius } from "../shapes";
 import { type InteractiveCanvasAppState } from "../types";
-import {
+import { arrayToMap, invariant, throttleRAF } from "../utils";
-  arrayToMap,
-  invariant,
-  isDevEnv,
-  isTestEnv,
-  throttleRAF,
-} from "../utils";
 
 import {
   bootstrapCanvas,
@@ -895,13 +889,6 @@ const _renderInteractiveScene = ({
   // Arrows have a different highlight behavior when
   // they are the only selected element
   if (appState.selectedLinearElement) {
-    if (isTestEnv() || isDevEnv()) {
-      invariant(
-        selectedElements.length <= 1,
-        `There is an active selectedLinearElement on app state but the selectedElements length is ${selectedElements?.length} not 1`,
-      );
-    }
-
     const editor = appState.selectedLinearElement;
     const firstSelectedLinear = selectedElements.find(
       (el) => el.id === editor.elementId, // Don't forget bound text elements!