handle bound texts

2024-06-04 23:06:27 +08:00 · 2024-06-04 23:06:27 +08:00 · c68c2be44c
commit c68c2be44c
parent be65ac7f22
7 changed files with 271 additions and 72 deletions
--- a/packages/excalidraw/components/Stats/Angle.tsx
+++ b/packages/excalidraw/components/Stats/Angle.tsx
@ -1,5 +1,7 @@
 import { mutateElement } from "../../element/mutateElement";
-import type { ExcalidrawElement } from "../../element/types";
+import { getBoundTextElement } from "../../element/textElement";
+import { isArrowElement } from "../../element/typeChecks";
+import type { ElementsMap, ExcalidrawElement } from "../../element/types";
 import { degreeToRadian, radianToDegree } from "../../math";
 import DragInput from "./DragInput";
 import type { DragInputCallbackType } from "./DragInput";
@ -7,19 +9,18 @@ import { getStepSizedValue, isPropertyEditable } from "./utils";

 interface AngleProps {
  element: ExcalidrawElement;
+  elementsMap: ElementsMap;
 }

 const STEP_SIZE = 15;

-const Angle = ({ element }: AngleProps) => {
-  const handleDegreeChange: DragInputCallbackType = (
+const Angle = ({ element, elementsMap }: AngleProps) => {
+  const handleDegreeChange: DragInputCallbackType = ({
    accumulatedChange,
-    instantChange,
    stateAtStart,
-    shouldKeepAspectRatio,
    shouldChangeByStepSize,
    nextValue,
-  ) => {
+  }) => {
    const _stateAtStart = stateAtStart[0];
    if (_stateAtStart) {
      if (nextValue !== undefined) {
@ -27,6 +28,12 @@ const Angle = ({ element }: AngleProps) => {
        mutateElement(element, {
          angle: nextAngle,
        });
+
+        const boundTextElement = getBoundTextElement(element, elementsMap);
+        if (boundTextElement && !isArrowElement(element)) {
+          mutateElement(boundTextElement, { angle: nextAngle });
+        }
+
        return;
      }

@ -38,13 +45,19 @@ const Angle = ({ element }: AngleProps) => {
        nextAngleInDegrees = getStepSizedValue(nextAngleInDegrees, STEP_SIZE);
      }

+      nextAngleInDegrees =
+        nextAngleInDegrees < 0 ? nextAngleInDegrees + 360 : nextAngleInDegrees;
+
+      const nextAngle = degreeToRadian(nextAngleInDegrees);
+
      mutateElement(element, {
-        angle: degreeToRadian(
-          nextAngleInDegrees < 0
-            ? nextAngleInDegrees + 360
-            : nextAngleInDegrees,
-        ),
+        angle: nextAngle,
      });
+
+      const boundTextElement = getBoundTextElement(element, elementsMap);
+      if (boundTextElement && !isArrowElement(element)) {
+        mutateElement(boundTextElement, { angle: nextAngle });
+      }
    }
  };

--- a/packages/excalidraw/components/Stats/Dimension.tsx
+++ b/packages/excalidraw/components/Stats/Dimension.tsx
@ -1,13 +1,26 @@
-import type { ExcalidrawElement } from "../../element/types";
+import type { ElementsMap, ExcalidrawElement } from "../../element/types";
 import DragInput from "./DragInput";
 import type { DragInputCallbackType } from "./DragInput";
 import { getStepSizedValue, isPropertyEditable } from "./utils";
 import { mutateElement } from "../../element/mutateElement";
-import { rescalePointsInElement } from "../../element/resizeElements";
+import {
+  measureFontSizeFromWidth,
+  rescalePointsInElement,
+} from "../../element/resizeElements";
+import {
+  getApproxMinLineHeight,
+  getApproxMinLineWidth,
+  getBoundTextElement,
+  getBoundTextMaxWidth,
+  handleBindTextResize,
+} from "../../element/textElement";
+import { getFontString } from "../../utils";
+import { updateBoundElements } from "../../element/binding";

 interface DimensionDragInputProps {
  property: "width" | "height";
  element: ExcalidrawElement;
+  elementsMap: ElementsMap;
 }

 const STEP_SIZE = 10;
@ -51,13 +64,16 @@ export const newOrigin = (
  };
 };

-const getResizedUpdates = (
+const resizeElement = (
  nextWidth: number,
  nextHeight: number,
+  keepAspectRatio: boolean,
  latestState: ExcalidrawElement,
  stateAtStart: ExcalidrawElement,
+  elementsMap: ElementsMap,
+  originalElementsMap: Map<string, ExcalidrawElement>,
 ) => {
-  return {
+  mutateElement(latestState, {
    ...newOrigin(
      latestState.x,
      latestState.y,
@ -70,18 +86,72 @@ const getResizedUpdates = (
    width: nextWidth,
    height: nextHeight,
    ...rescalePointsInElement(stateAtStart, nextWidth, nextHeight, true),
+  });
+
+  let boundTextFont: { fontSize?: number } = {};
+  const boundTextElement = getBoundTextElement(latestState, elementsMap);
+
+  if (boundTextElement) {
+    boundTextFont = {
+      fontSize: boundTextElement.fontSize,
    };
+    if (keepAspectRatio) {
+      const updatedElement = {
+        ...latestState,
+        width: nextWidth,
+        height: nextHeight,
      };

-const DimensionDragInput = ({ property, element }: DimensionDragInputProps) => {
-  const handleDimensionChange: DragInputCallbackType = (
+      const nextFont = measureFontSizeFromWidth(
+        boundTextElement,
+        elementsMap,
+        getBoundTextMaxWidth(updatedElement, boundTextElement),
+      );
+      boundTextFont = {
+        fontSize: nextFont?.size ?? boundTextElement.fontSize,
+      };
+    } else {
+      const minWidth = getApproxMinLineWidth(
+        getFontString(boundTextElement),
+        boundTextElement.lineHeight,
+      );
+      const minHeight = getApproxMinLineHeight(
+        boundTextElement.fontSize,
+        boundTextElement.lineHeight,
+      );
+      nextWidth = Math.max(nextWidth, minWidth);
+      nextHeight = Math.max(nextHeight, minHeight);
+    }
+  }
+
+  updateBoundElements(latestState, elementsMap, {
+    newSize: {
+      width: nextWidth,
+      height: nextHeight,
+    },
+  });
+
+  if (boundTextElement && boundTextFont) {
+    mutateElement(boundTextElement, {
+      fontSize: boundTextFont.fontSize,
+    });
+  }
+  handleBindTextResize(latestState, elementsMap, "e", keepAspectRatio);
+};
+
+const DimensionDragInput = ({
+  property,
+  element,
+  elementsMap,
+}: DimensionDragInputProps) => {
+  const handleDimensionChange: DragInputCallbackType = ({
    accumulatedChange,
-    instantChange,
    stateAtStart,
+    originalElementsMap,
    shouldKeepAspectRatio,
    shouldChangeByStepSize,
    nextValue,
-  ) => {
+  }) => {
    const _stateAtStart = stateAtStart[0];
    if (_stateAtStart) {
      const keepAspectRatio =
@ -106,10 +176,16 @@ const DimensionDragInput = ({ property, element }: DimensionDragInputProps) => {
          0,
        );

-        mutateElement(
+        resizeElement(
+          nextWidth,
+          nextHeight,
+          keepAspectRatio,
          element,
-          getResizedUpdates(nextWidth, nextHeight, element, _stateAtStart),
+          _stateAtStart,
+          elementsMap,
+          originalElementsMap,
        );
+
        return;
      }
      const changeInWidth = property === "width" ? accumulatedChange : 0;
@ -141,9 +217,14 @@ const DimensionDragInput = ({ property, element }: DimensionDragInputProps) => {
        }
      }

-      mutateElement(
+      resizeElement(
+        nextWidth,
+        nextHeight,
+        keepAspectRatio,
        element,
-        getResizedUpdates(nextWidth, nextHeight, element, _stateAtStart),
+        _stateAtStart,
+        elementsMap,
+        originalElementsMap,
      );
    }
  };
--- a/packages/excalidraw/components/Stats/DragInput.tsx
+++ b/packages/excalidraw/components/Stats/DragInput.tsx
@ -2,21 +2,30 @@ import { useEffect, useMemo, useRef, useState } from "react";
 import throttle from "lodash.throttle";
 import { EVENT } from "../../constants";
 import { KEYS } from "../../keys";
-import type { ExcalidrawElement } from "../../element/types";
+import type { ElementsMap, ExcalidrawElement } from "../../element/types";
 import { deepCopyElement } from "../../element/newElement";

 import "./DragInput.scss";
 import clsx from "clsx";
 import { useApp } from "../App";

-export type DragInputCallbackType = (
-  accumulatedChange: number,
-  instantChange: number,
-  stateAtStart: ExcalidrawElement[],
-  shouldKeepAspectRatio: boolean,
-  shouldChangeByStepSize: boolean,
-  nextValue?: number,
-) => void;
+export type DragInputCallbackType = ({
+  accumulatedChange,
+  instantChange,
+  stateAtStart,
+  originalElementsMap,
+  shouldKeepAspectRatio,
+  shouldChangeByStepSize,
+  nextValue,
+}: {
+  accumulatedChange: number;
+  instantChange: number;
+  stateAtStart: ExcalidrawElement[];
+  originalElementsMap: ElementsMap;
+  shouldKeepAspectRatio: boolean;
+  shouldChangeByStepSize: boolean;
+  nextValue?: number;
+}) => void;

 interface StatsDragInputProps {
  label: string | React.ReactNode;
@ -67,6 +76,8 @@ const StatsDragInput = ({
            } | null = null;

            let stateAtStart: ExcalidrawElement[] | null = null;
+            let originalElementsMap: Map<string, ExcalidrawElement> | null =
+              null;

            let accumulatedChange: number | null = null;

@ -79,6 +90,15 @@ const StatsDragInput = ({
                );
              }

+              if (!originalElementsMap) {
+                originalElementsMap = app.scene
+                  .getNonDeletedElements()
+                  .reduce((acc, element) => {
+                    acc.set(element.id, deepCopyElement(element));
+                    return acc;
+                  }, new Map() as ElementsMap);
+              }
+
              if (!accumulatedChange) {
                accumulatedChange = 0;
              }
@ -87,13 +107,14 @@ const StatsDragInput = ({
                const instantChange = event.clientX - lastPointer.x;
                accumulatedChange += instantChange;

-                cbThrottled(
+                cbThrottled({
                  accumulatedChange,
                  instantChange,
                  stateAtStart,
-                  shouldKeepAspectRatio!!,
-                  event.shiftKey,
-                );
+                  originalElementsMap,
+                  shouldKeepAspectRatio: shouldKeepAspectRatio!!,
+                  shouldChangeByStepSize: event.shiftKey,
+                });
              }

              lastPointer = {
@ -117,6 +138,7 @@ const StatsDragInput = ({
                lastPointer = null;
                accumulatedChange = null;
                stateAtStart = null;
+                originalElementsMap = null;

                document.body.classList.remove("dragResize");
              },
@ -149,14 +171,16 @@ const StatsDragInput = ({
                setInputValue(value.toString());
                return;
              }
-              dragInputCallback(
-                0,
-                0,
-                elements,
-                shouldKeepAspectRatio!!,
-                false,
-                v,
-              );
+
+              dragInputCallback({
+                accumulatedChange: 0,
+                instantChange: 0,
+                stateAtStart: elements,
+                originalElementsMap: app.scene.getNonDeletedElementsMap(),
+                shouldKeepAspectRatio: shouldKeepAspectRatio!!,
+                shouldChangeByStepSize: false,
+                nextValue: v,
+              });
              app.store.shouldCaptureIncrement();
              eventTarget.blur();
            }
--- a/packages/excalidraw/components/Stats/FontSize.tsx
+++ b/packages/excalidraw/components/Stats/FontSize.tsx
@ -14,14 +14,12 @@ const MIN_FONT_SIZE = 4;
 const STEP_SIZE = 4;

 const FontSize = ({ element, elementsMap }: FontSizeProps) => {
-  const handleFontSizeChange: DragInputCallbackType = (
+  const handleFontSizeChange: DragInputCallbackType = ({
    accumulatedChange,
-    instantChange,
    stateAtStart,
-    shouldKeepAspectRatio,
    shouldChangeByStepSize,
    nextValue,
-  ) => {
+  }) => {
    const _stateAtStart = stateAtStart[0];
    if (_stateAtStart) {
      if (nextValue) {
--- a/packages/excalidraw/components/Stats/MultiDimension.tsx
+++ b/packages/excalidraw/components/Stats/MultiDimension.tsx
@ -1,7 +1,12 @@
-import { getCommonBounds } from "../../element";
+import { getCommonBounds, isTextElement } from "../../element";
+import { updateBoundElements } from "../../element/binding";
 import { mutateElement } from "../../element/mutateElement";
 import { rescalePointsInElement } from "../../element/resizeElements";
-import type { ExcalidrawElement } from "../../element/types";
+import {
+  getBoundTextElement,
+  handleBindTextResize,
+} from "../../element/textElement";
+import type { ElementsMap, ExcalidrawElement } from "../../element/types";
 import DragInput from "./DragInput";
 import type { DragInputCallbackType } from "./DragInput";
 import { getStepSizedValue } from "./utils";
@ -9,6 +14,7 @@ import { getStepSizedValue } from "./utils";
 interface MultiDimensionProps {
  property: "width" | "height";
  elements: ExcalidrawElement[];
+  elementsMap: ElementsMap;
 }

 const STEP_SIZE = 10;
@ -32,18 +38,66 @@ const getResizedUpdates = (
    x,
    y,
    ...rescalePointsInElement(stateAtStart, nextWidth, nextHeight, false),
+    ...(isTextElement(stateAtStart)
+      ? { fontSize: stateAtStart.fontSize * scale }
+      : {}),
  };
 };

-const MultiDimension = ({ property, elements }: MultiDimensionProps) => {
-  const handleDimensionChange: DragInputCallbackType = (
+const resizeElement = (
+  anchorX: number,
+  anchorY: number,
+  property: MultiDimensionProps["property"],
+  scale: number,
+  latestElement: ExcalidrawElement,
+  origElement: ExcalidrawElement,
+  elementsMap: ElementsMap,
+  originalElementsMap: ElementsMap,
+  shouldInformMutation: boolean,
+) => {
+  const updates = getResizedUpdates(anchorX, anchorY, scale, origElement);
+
+  mutateElement(latestElement, updates, shouldInformMutation);
+  const boundTextElement = getBoundTextElement(
+    origElement,
+    originalElementsMap,
+  );
+  if (boundTextElement) {
+    const newFontSize = boundTextElement.fontSize * scale;
+    updateBoundElements(latestElement, elementsMap, {
+      newSize: { width: updates.width, height: updates.height },
+    });
+    const latestBoundTextElement = elementsMap.get(boundTextElement.id);
+    if (latestBoundTextElement && isTextElement(latestBoundTextElement)) {
+      mutateElement(
+        latestBoundTextElement,
+        {
+          fontSize: newFontSize,
+        },
+        shouldInformMutation,
+      );
+      handleBindTextResize(
+        latestElement,
+        elementsMap,
+        property === "width" ? "e" : "s",
+        true,
+      );
+    }
+  }
+};
+
+const MultiDimension = ({
+  property,
+  elements,
+  elementsMap,
+}: MultiDimensionProps) => {
+  const handleDimensionChange: DragInputCallbackType = ({
    accumulatedChange,
-    instantChange,
    stateAtStart,
-    shouldKeepAspectRatio,
+    originalElementsMap,
    shouldChangeByStepSize,
    nextValue,
-  ) => {
+  }) => {
    const [x1, y1, x2, y2] = getCommonBounds(stateAtStart);
    const initialWidth = x2 - x1;
    const initialHeight = y2 - y1;
@ -60,15 +114,21 @@ const MultiDimension = ({ property, elements }: MultiDimensionProps) => {

      let i = 0;
      while (i < stateAtStart.length) {
-        const element = elements[i];
+        const latestElement = elements[i];
        const origElement = stateAtStart[i];

        // it should never happen that element and origElement are different
        // but check just in case
-        if (element.id === origElement.id) {
-          mutateElement(
-            element,
-            getResizedUpdates(anchorX, anchorY, scale, origElement),
+        if (latestElement.id === origElement.id) {
+          resizeElement(
+            anchorX,
+            anchorY,
+            property,
+            scale,
+            latestElement,
+            origElement,
+            elementsMap,
+            originalElementsMap,
            i === stateAtStart.length - 1,
          );
        }
@ -113,13 +173,19 @@ const MultiDimension = ({ property, elements }: MultiDimensionProps) => {

    let i = 0;
    while (i < stateAtStart.length) {
-      const element = elements[i];
+      const latestElement = elements[i];
      const origElement = stateAtStart[i];

-      if (element.id === origElement.id) {
-        mutateElement(
-          element,
-          getResizedUpdates(anchorX, anchorY, scale, origElement),
+      if (latestElement.id === origElement.id) {
+        resizeElement(
+          anchorX,
+          anchorY,
+          property,
+          scale,
+          latestElement,
+          origElement,
+          elementsMap,
+          originalElementsMap,
          i === stateAtStart.length - 1,
        );
      }
--- a/packages/excalidraw/components/Stats/index.tsx
+++ b/packages/excalidraw/components/Stats/index.tsx
@ -2,7 +2,7 @@ import React, { useEffect, useMemo, useState } from "react";
 import { getCommonBounds } from "../../element/bounds";
 import type { NonDeletedExcalidrawElement } from "../../element/types";
 import { t } from "../../i18n";
-import { getTargetElements } from "../../scene";
+import { getSelectedElements } from "../../scene";
 import type Scene from "../../scene/Scene";
 import type { AppState, ExcalidrawProps } from "../../types";
 import { CloseIcon } from "../icons";
@ -29,7 +29,14 @@ export const Stats = (props: StatsProps) => {
  const elements = props.scene.getNonDeletedElements();
  const elementsMap = props.scene.getNonDeletedElementsMap();
  const sceneNonce = props.scene.getSceneNonce();
-  const selectedElements = getTargetElements(elements, props.appState);
+  // const selectedElements = getTargetElements(elements, props.appState);
+  const selectedElements = getSelectedElements(
+    props.scene.getNonDeletedElementsMap(),
+    props.appState,
+    {
+      includeBoundTextElement: false,
+    },
+  );

  const singleElement =
    selectedElements.length === 1 ? selectedElements[0] : null;
@ -112,9 +119,17 @@ export const Stats = (props: StatsProps) => {
                </div>

                <div className="statsItem">
-                  <Dimension property="width" element={singleElement} />
-                  <Dimension property="height" element={singleElement} />
-                  <Angle element={singleElement} />
+                  <Dimension
+                    property="width"
+                    element={singleElement}
+                    elementsMap={elementsMap}
+                  />
+                  <Dimension
+                    property="height"
+                    element={singleElement}
+                    elementsMap={elementsMap}
+                  />
+                  <Angle element={singleElement} elementsMap={elementsMap} />
                  {singleElement.type === "text" && (
                    <FontSize
                      element={singleElement}
@ -142,10 +157,12 @@ export const Stats = (props: StatsProps) => {
                  <MultiDimension
                    property="width"
                    elements={multipleElements}
+                    elementsMap={elementsMap}
                  />
                  <MultiDimension
                    property="height"
                    elements={multipleElements}
+                    elementsMap={elementsMap}
                  />
                </div>
              </div>
--- a/packages/excalidraw/element/resizeElements.ts
+++ b/packages/excalidraw/element/resizeElements.ts
@ -199,7 +199,7 @@ export const rescalePointsInElement = (
      }
    : {};

-const measureFontSizeFromWidth = (
+export const measureFontSizeFromWidth = (
  element: NonDeleted<ExcalidrawTextElement>,
  elementsMap: ElementsMap,
  nextWidth: number,