feat: 优化侧边栏拖拽逻辑

This commit is contained in:
zouawen
2026-02-26 18:11:30 +08:00
parent 3d4ae04d9b
commit 99710ef9dc
3 changed files with 72 additions and 41 deletions

View File

@@ -1,4 +1,4 @@
import { onUnmounted, ref } from 'vue';
import { onUnmounted } from 'vue';
interface ResizableOptions {
max?: number;
@@ -9,40 +9,70 @@ interface ResizableOptions {
export function useResizable(options: ResizableOptions = {}) {
const { min = 0, max = 999, onChange } = options;
const isDragging = ref(false);
let cleanup: (() => void) | null = null;
let startX = 0;
let startWidth = 0;
let targetTransition = '';
let dragBarTransition = '';
let dragBarOffsetLeft = 0;
let dragBarLeft = '';
let dragBarRight = '';
let userSelect = '';
let cursor = '';
let cleanup: (() => void) | null = null;
const startDrag = (
e: MouseEvent,
currentWidth: number,
targetElement: HTMLElement | null,
dragBarElement: HTMLElement | null,
) => {
cleanup?.();
const startDrag = (e: MouseEvent, width: number) => {
e.preventDefault();
e.stopPropagation();
isDragging.value = true;
const startX = e.clientX;
const startWidth = width;
if (!dragBarElement || !targetElement) return;
startX = e.clientX;
startWidth = currentWidth;
targetTransition = targetElement.style.transition;
dragBarTransition = dragBarElement.style.transition;
dragBarOffsetLeft = dragBarElement.offsetLeft;
dragBarLeft = dragBarElement.style.left;
dragBarRight = dragBarElement.style.right;
userSelect = document.body.style.userSelect;
cursor = document.body.style.cursor;
targetElement.style.transition = 'none';
dragBarElement.style.transition = 'none';
dragBarElement.style.left = `${dragBarOffsetLeft}px`;
dragBarElement.style.right = 'auto';
document.body.style.userSelect = 'none';
document.body.style.cursor = 'col-resize';
const onMouseMove = (moveEvent: MouseEvent) => {
if (!isDragging.value) return;
const deltaX = moveEvent.clientX - startX;
let newWidth = startWidth + deltaX;
newWidth = Math.min(max, Math.max(min, newWidth));
onChange?.(newWidth);
const newLeft = dragBarOffsetLeft + deltaX;
dragBarElement.style.left = `${newLeft}px`;
};
const onMouseUp = () => {
if (!isDragging.value) return;
const onMouseUp = (upEvent: MouseEvent) => {
const deltaX = upEvent.clientX - startX;
let newWidth = startWidth + deltaX;
newWidth = Math.min(max, Math.max(min, newWidth));
if (dragBarElement) {
dragBarElement.style.left = dragBarLeft;
dragBarElement.style.right = dragBarRight;
}
onChange?.(newWidth);
cleanup?.();
};
@@ -53,10 +83,18 @@ export function useResizable(options: ResizableOptions = {}) {
document.removeEventListener('mousemove', onMouseMove);
document.removeEventListener('mouseup', onMouseUp);
if (targetElement) {
targetElement.style.transition = targetTransition;
}
if (dragBarElement) {
dragBarElement.style.transition = dragBarTransition;
dragBarElement.style.left = dragBarLeft;
dragBarElement.style.right = dragBarRight;
}
document.body.style.userSelect = userSelect;
document.body.style.cursor = cursor;
isDragging.value = false;
cleanup = null;
};
};
@@ -66,7 +104,6 @@ export function useResizable(options: ResizableOptions = {}) {
});
return {
isDragging,
startDrag,
};
}

View File

@@ -118,8 +118,8 @@ const extraVisible = defineModel<boolean>('extraVisible');
const isLocked = useScrollLock(document.body);
const slots = useSlots();
// @ts-expect-error unused
const asideRef = shallowRef<HTMLDivElement | null>();
const asideRef = shallowRef<HTMLElement | null>(null);
const dragBarRef = shallowRef<HTMLElement | null>(null);
const hiddenSideStyle = computed((): CSSProperties => calcMenuWidthStyle(true));
@@ -256,7 +256,7 @@ function handleMouseleave() {
extraVisible.value = false;
}
const { isDragging, startDrag } = useResizable({
const { startDrag } = useResizable({
min: 160,
max: 320,
onChange: (newWidth) => {
@@ -265,8 +265,9 @@ const { isDragging, startDrag } = useResizable({
});
const handleDragSidebar = (e: MouseEvent) => {
const { width } = props;
startDrag(e, width);
const { isSidebarMixed, extraWidth, width } = props;
const currentWidth = isSidebarMixed ? extraWidth : width;
startDrag(e, currentWidth, asideRef.value, dragBarRef.value);
};
</script>
@@ -278,9 +279,9 @@ const handleDragSidebar = (e: MouseEvent) => {
class="h-full transition-all duration-150"
></div>
<aside
ref="asideRef"
:style="style"
class="fixed left-0 top-0 h-full transition-all duration-150"
:class="{ 'transition-none': isDragging }"
@mouseenter="handleMouseenter"
@mouseleave="handleMouseleave"
>
@@ -311,19 +312,13 @@ const handleDragSidebar = (e: MouseEvent) => {
v-if="showCollapseButton && !isSidebarMixed"
v-model:collapsed="collapse"
/>
<div
class="absolute inset-y-0 -right-0.5 z-1000 w-1 cursor-col-resize"
@mousedown="handleDragSidebar"
></div>
</div>
<div
v-if="isSidebarMixed"
ref="asideRef"
:class="[
themeSub,
{
'border-l': extraVisible,
'transition-none': isDragging,
},
]"
:style="extraStyle"
@@ -350,5 +345,10 @@ const handleDragSidebar = (e: MouseEvent) => {
<slot name="extra"></slot>
</VbenScrollbar>
</div>
<div
ref="dragBarRef"
class="absolute inset-y-0 -right-[1px] z-1000 w-[2px] cursor-col-resize hover:bg-primary"
@mousedown="handleDragSidebar"
></div>
</aside>
</template>

View File

@@ -211,14 +211,6 @@ const slots: SetupContext['slots'] = useSlots();
const headerSlots = computed(() => {
return Object.keys(slots).filter((key) => key.startsWith('header-'));
});
function handleUpdateSidebarWidth(newWidth: number) {
updatePreferences({
sidebar: {
width: newWidth,
},
});
}
</script>
<template>
@@ -275,7 +267,9 @@ function handleUpdateSidebarWidth(newWidth: number) {
(value: boolean) =>
updatePreferences({ sidebar: { extraCollapse: value } })
"
@update:sidebar-width="handleUpdateSidebarWidth"
@update:sidebar-width="
(value: number) => updatePreferences({ sidebar: { width: value } })
"
>
<!-- logo -->
<template #logo>