implement store sort

src/pages/store/StoreSort.vue

@@ -1,18 +1,33 @@
 <template>
 	<div v-can="permissionCodes.store.update" class="store-sort">
 		<div class="tip" v-text="'按住右侧拖动手柄调整门店顺序，保存后生效'" />
-		<div ref="sortListRef" class="items">
+		<div class="items">
 			<t-cell-group v-if="storeList.length" theme="card">
+				<vue-draggable-next
+					v-model="storeList"
+					class="draggable"
+					item-key="id"
+					handle=".handle"
+					ghost-class="ghost"
+					chosen-class="chosen"
+					drag-class="dragging"
+					:animation="180"
+					:disabled="isLoading || isSaving"
+					@change="handleSortChange"
+				>
 					<t-cell
-					v-for="(item, index) in storeList"
+						v-for="element in storeList"
-					:key="item.id"
+						:key="element.id"
 						class="cell"
-					:title="item.name || '未命名门店'"
+						:title="element.name || '未命名门店'"
-					:description="`编码：${item.code || '-'}`"
+						:description="`编码：${element.code || '-'}`"
-					:class="{ dragging: draggingIndex === index }"
 					>
 						<template #note>
-						<t-tag :theme="getStatusTheme(item.status)" variant="outline" :content="getStatusText(item.status)" />
+							<t-tag
+								:theme="getStatusTheme(element.status)"
+								variant="outline"
+								:content="getStatusText(element.status)"
+							/>
 						</template>
 						<template #rightIcon>
 							<t-icon
@@ -20,18 +35,10 @@
 								role="button"
 								name="move"
 								aria-label="拖动排序"
-							@pointerdown.stop="startDrag($event, index)"
-							@pointermove.stop="moveDrag"
-							@pointerup.stop="finishDrag"
-							@pointercancel.stop="finishDrag"
-							@lostpointercapture.stop="finishDrag"
-							@touchstart.stop="startTouchDrag($event, index)"
-							@touchmove.stop="moveTouchDrag"
-							@touchend.stop="finishTouchDrag"
-							@touchcancel.stop="finishTouchDrag"
 							/>
 						</template>
 					</t-cell>
+				</vue-draggable-next>
 			</t-cell-group>
 			<div v-else class="empty-block" v-text="isLoading ? '正在加载门店' : '暂无门店'" />
 		</div>
@@ -49,6 +56,7 @@
 
 <script setup lang="ts">
 import { Toast, type TagProps } from "tdesign-mobile-vue";
+import { VueDraggableNext } from "vue-draggable-next";
 import StoreAPI from "@/api/StoreAPI";
 import { useNavBarStore } from "@/store/navBarStore";
 import type { Store, StoreStatus } from "@/types/Store";
@@ -59,24 +67,15 @@ defineOptions({
 });
 
 const navBarStore = useNavBarStore();
+const router = useRouter();
 
 // ---------- 列表数据 ----------
 
 const storeList = ref<Store[]>([]);
-const sortListRef = ref<HTMLElement>();
 const isLoading = ref(false);
 const isSaving = ref(false);
 const sortDirty = ref(false);
 
-// ---------- 拖拽状态 ----------
-
-const draggingIndex = ref(-1);
-let pointerId: number | undefined;
-let pointerStartY = 0;
-let pointerMoved = false;
-let pointerTarget: HTMLElement | undefined;
-let dragInputType: "pointer" | "touch" | undefined;
-
 // ---------- 展示文案 ----------
 
 function getStatusText(status?: StoreStatus): string {
@@ -89,124 +88,10 @@ function getStatusTheme(status?: StoreStatus): TagProps["theme"] {
 
 // ---------- 拖拽排序 ----------
 
-function resolveDropIndex(clientY: number): number {
+function handleSortChange(): void {
-	const elements = sortListRef.value?.querySelectorAll<HTMLElement>(".cell");
-	if (!elements?.length) {
-		return -1;
-	}
-
-	for (let index = 0; index < elements.length; index++) {
-		const rect = elements[index].getBoundingClientRect();
-		if (clientY < rect.top + rect.height / 2) {
-			return index;
-		}
-	}
-	return elements.length - 1;
-}
-
-function beginDrag(index: number, clientY: number, target: EventTarget | null): void {
-	pointerStartY = clientY;
-	pointerMoved = false;
-	draggingIndex.value = index;
-	pointerTarget = target instanceof HTMLElement ? target : undefined;
-}
-
-function moveDragAt(clientY: number): void {
-	if (0 > draggingIndex.value) {
-		return;
-	}
-
-	if (!pointerMoved && 8 > Math.abs(clientY - pointerStartY)) {
-		return;
-	}
-
-	pointerMoved = true;
-	const targetIndex = resolveDropIndex(clientY);
-	if (0 > targetIndex || targetIndex === draggingIndex.value) {
-		return;
-	}
-
-	const [item] = storeList.value.splice(draggingIndex.value, 1);
-	storeList.value.splice(targetIndex, 0, item);
-	draggingIndex.value = targetIndex;
 	sortDirty.value = true;
 }
 
-function finishDragState(): void {
-	if (pointerMoved) {
-		sortDirty.value = true;
-	}
-	pointerId = undefined;
-	pointerTarget = undefined;
-	dragInputType = undefined;
-	draggingIndex.value = -1;
-}
-
-function startDrag(event: PointerEvent, index: number): void {
-	if (isSaving.value || isLoading.value || dragInputType || !event.isPrimary || event.button !== 0) {
-		return;
-	}
-
-	event.preventDefault();
-	pointerId = event.pointerId;
-	dragInputType = "pointer";
-	beginDrag(index, event.clientY, event.currentTarget);
-	pointerTarget?.setPointerCapture(event.pointerId);
-}
-
-function moveDrag(event: PointerEvent): void {
-	if (dragInputType !== "pointer" || pointerId !== event.pointerId || 0 > draggingIndex.value) {
-		return;
-	}
-
-	event.preventDefault();
-	moveDragAt(event.clientY);
-}
-
-function finishDrag(event: PointerEvent): void {
-	if (dragInputType !== "pointer" || pointerId !== event.pointerId) {
-		return;
-	}
-
-	if (pointerTarget?.hasPointerCapture(event.pointerId)) {
-		pointerTarget.releasePointerCapture(event.pointerId);
-	}
-	finishDragState();
-}
-
-function startTouchDrag(event: TouchEvent, index: number): void {
-	if (isSaving.value || isLoading.value || dragInputType || event.touches.length !== 1) {
-		return;
-	}
-
-	event.preventDefault();
-	const touch = event.touches[0];
-	pointerId = touch.identifier;
-	dragInputType = "touch";
-	beginDrag(index, touch.clientY, event.currentTarget);
-}
-
-function moveTouchDrag(event: TouchEvent): void {
-	if (dragInputType !== "touch" || pointerId === undefined || 0 > draggingIndex.value || event.touches.length !== 1) {
-		return;
-	}
-
-	event.preventDefault();
-	moveDragAt(event.touches[0].clientY);
-}
-
-function finishTouchDrag(event: TouchEvent): void {
-	if (dragInputType !== "touch" || pointerId === undefined) {
-		return;
-	}
-
-	const touch = event.changedTouches[0];
-	if (touch && touch.identifier !== pointerId) {
-		return;
-	}
-	finishDragState();
-}
-
 // ---------- 保存 ----------
 
 async function saveSort(): Promise<void> {
@@ -225,6 +110,7 @@ async function saveSort(): Promise<void> {
 		});
 		sortDirty.value = false;
 		Toast.success("门店排序已保存");
+		await router.back();
 	} catch {
 		Toast.error("门店排序保存失败");
 	} finally {
@@ -277,22 +163,25 @@ onUnmounted(() => {
 	}
 
 	.items {
+		.draggable {
 			.cell {
 				position: relative;
 
-			&.dragging {
-				z-index: 1;
-				box-shadow: 0 .5rem 1rem rgba(15, 23, 42, .16);
-			}
-
 				.handle {
 					color: #52607a;
 					cursor: grab;
+					touch-action: none;
+				}
 			}
 
-			&.dragging,
+			.ghost {
-			&.dragging * {
+				opacity: .4;
-				touch-action: none;
+			}
+
+			.chosen,
+			.dragging {
+				z-index: 1;
+				box-shadow: 0 .5rem 1rem rgba(15, 23, 42, .16);
 			}
 		}
 	}
@@ -319,9 +208,16 @@ onUnmounted(() => {
 			color: #94a3b8;
 		}
 
-		.cell.dragging {
+		.draggable {
+			.cell {
+				background: rgba(15, 23, 42, .88);
 				box-shadow: 0 .5rem 1rem rgba(2, 6, 23, .28);
 			}
+
+			.ghost {
+				background: rgba(15, 23, 42, .6);
+			}
+		}
 	}
 }
 </style>