From 28a6c46605d393cf058e8ac6a17dd2350f979581 Mon Sep 17 00:00:00 2001
From: Qi <474021214@qq.com>
Date: Fri, 24 Feb 2023 02:32:02 +0800
Subject: [PATCH] feat: support sidebar zoom (#1190)

---
 .../workspace-slider-bar/DragLine.tsx         | 92 +++++++++++++++++++
 .../components/workspace-slider-bar/index.tsx | 16 +++-
 .../components/workspace-slider-bar/style.ts  | 34 +++----
 3 files changed, 125 insertions(+), 17 deletions(-)
 create mode 100644 apps/web/src/components/workspace-slider-bar/DragLine.tsx

diff --git a/apps/web/src/components/workspace-slider-bar/DragLine.tsx b/apps/web/src/components/workspace-slider-bar/DragLine.tsx
new file mode 100644
index 0000000000..a8011b2d44
--- /dev/null
+++ b/apps/web/src/components/workspace-slider-bar/DragLine.tsx
@@ -0,0 +1,92 @@
+import { styled } from '@affine/component';
+import React, { useEffect, useRef } from 'react';
+const StyledDragLine = styled.div(({ theme }) => {
+  return {
+    width: '5px',
+    height: '100%',
+    position: 'absolute',
+    top: '0',
+    right: '-10px',
+    cursor: 'col-resize',
+  };
+});
+
+export type DragLineProps = {
+  onDrag?: (params: { movementX: number; movementY: number }) => void;
+  initialPosition?: { x: number; y: number };
+  leftOffset?: number;
+  rightOffset?: number;
+};
+
+export const DragLine = ({
+  onDrag,
+  leftOffset,
+  rightOffset,
+  initialPosition,
+}: DragLineProps) => {
+  const isDragging = useRef(false);
+  const lineRef = useRef<HTMLDivElement>(null);
+  const recordPosition = useRef({ x: 0, y: 0 });
+  useEffect(() => {
+    const onMouseMove = (e: MouseEvent) => {
+      if (!isDragging.current) return;
+
+      const movementX = e.clientX - recordPosition.current.x;
+      const movementY = e.clientY - recordPosition.current.y;
+
+      if (
+        (rightOffset !== undefined &&
+          initialPosition &&
+          initialPosition.x + rightOffset < recordPosition.current.x) ||
+        (leftOffset !== undefined &&
+          initialPosition &&
+          recordPosition.current.x - initialPosition.x < leftOffset)
+      ) {
+        recordPosition.current.x = e.clientX;
+        recordPosition.current.y = e.clientY;
+        document.body.style.cursor = 'not-allowed';
+
+        return;
+      }
+      document.body.style.cursor = 'col-resize';
+
+      onDrag?.({ movementX, movementY });
+      recordPosition.current.x = e.clientX;
+      recordPosition.current.y = e.clientY;
+    };
+
+    const onMouseUp = () => {
+      isDragging.current = false;
+      document.body.style.cursor = '';
+    };
+    document.addEventListener('mousemove', onMouseMove);
+    document.addEventListener('mouseup', onMouseUp);
+
+    return () => {
+      document.removeEventListener('mousemove', onMouseMove);
+      document.removeEventListener('mouseup', onMouseUp);
+    };
+  }, [initialPosition, leftOffset, onDrag, rightOffset]);
+  return (
+    <StyledDragLine
+      ref={lineRef}
+      //The mouse event is used instead of the drag event because the drag event triggers the drag image display
+      onMouseDown={e => {
+        e.preventDefault();
+        isDragging.current = true;
+        const position = lineRef.current?.getBoundingClientRect();
+        recordPosition.current = {
+          x: position?.x || 0,
+          y: position?.y || 0,
+        };
+      }}
+      onMouseUp={() => {
+        isDragging.current = false;
+
+        console.log('onMouseUp');
+      }}
+    ></StyledDragLine>
+  );
+};
+
+export default DragLine;
diff --git a/apps/web/src/components/workspace-slider-bar/index.tsx b/apps/web/src/components/workspace-slider-bar/index.tsx
index 3121e64fe3..f45a71de58 100644
--- a/apps/web/src/components/workspace-slider-bar/index.tsx
+++ b/apps/web/src/components/workspace-slider-bar/index.tsx
@@ -20,6 +20,7 @@ import { usePageHelper } from '@/hooks/use-page-helper';
 import { useGlobalState } from '@/store/app';
 import { useModal } from '@/store/globalModal';
 
+import StyledDragLine from './DragLine';
 import { Arrow } from './icons';
 import {
   StyledArrowButton,
@@ -32,6 +33,8 @@ import {
 } from './style';
 import { WorkspaceSelector } from './WorkspaceSelector/WorkspaceSelector';
 
+const MAX_WIDTH = 534;
+const MIN_WIDTH = 256;
 const FavoriteList = ({ showList }: { showList: boolean }) => {
   const { openPage } = usePageHelper();
   const pageList = useGlobalState(store => store.dataCenterPageList);
@@ -67,6 +70,7 @@ const FavoriteList = ({ showList }: { showList: boolean }) => {
 export const WorkSpaceSliderBar = () => {
   const { triggerQuickSearchModal } = useModal();
   const [showSubFavorite, setShowSubFavorite] = useState(true);
+  const [sideBarWidth, setSideBarWidth] = useState(256);
   const currentWorkspace = useGlobalState(
     useCallback(store => store.currentDataCenterWorkspace, [])
   );
@@ -88,7 +92,17 @@ export const WorkSpaceSliderBar = () => {
   };
   return (
     <>
-      <StyledSliderBar show={show}>
+      <StyledSliderBar show={show} width={sideBarWidth}>
+        {show && (
+          <StyledDragLine
+            initialPosition={{ x: MIN_WIDTH, y: 0 }}
+            rightOffset={MAX_WIDTH - MIN_WIDTH}
+            leftOffset={0}
+            onDrag={({ movementX }) => {
+              setSideBarWidth(sideBarWidth + movementX);
+            }}
+          />
+        )}
         <Tooltip
           content={show ? t('Collapse sidebar') : t('Expand sidebar')}
           placement="right"
diff --git a/apps/web/src/components/workspace-slider-bar/style.ts b/apps/web/src/components/workspace-slider-bar/style.ts
index 1cf29b15c8..966769b8f1 100644
--- a/apps/web/src/components/workspace-slider-bar/style.ts
+++ b/apps/web/src/components/workspace-slider-bar/style.ts
@@ -1,22 +1,24 @@
 import { displayFlex, styled, textEllipsis } from '@affine/component';
 import Link from 'next/link';
+import { CSSProperties } from 'react';
 
-export const StyledSliderBar = styled.div<{ show: boolean }>(
-  ({ theme, show }) => {
-    return {
-      width: show ? '256px' : '0',
-      height: '100vh',
-      minHeight: '450px',
-      background: theme.colors.hubBackground,
-      boxShadow: theme.shadow.modal,
-      transition: 'width .15s, padding .15s',
-      position: 'relative',
-      zIndex: theme.zIndex.modal,
-      padding: show ? '24px 12px' : '24px 0',
-      flexShrink: 0,
-    };
-  }
-);
+export const StyledSliderBar = styled.div<{
+  show: boolean;
+  width: CSSProperties['width'];
+}>(({ theme, show, width }) => {
+  return {
+    width: show ? width : '0',
+    height: '100vh',
+    minHeight: '450px',
+    background: theme.colors.hubBackground,
+    boxShadow: theme.shadow.modal,
+    transition: 'width .15s, padding .15s',
+    position: 'relative',
+    zIndex: theme.zIndex.modal,
+    padding: show ? '24px 12px' : '24px 0',
+    flexShrink: 0,
+  };
+});
 export const StyledSliderBarWrapper = styled.div(() => {
   return {
     height: '100%',