SortableJS.page.vue
This commit is contained in:
429
src/pages/PkgsUsage/SortableJS.page.vue
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429
src/pages/PkgsUsage/SortableJS.page.vue
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<script setup lang="ts">
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import Sortable from 'sortablejs';
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interface ComponentItem {
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id: number;
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name: string;
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}
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const componentsList = ref<ComponentItem[]>([
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{ id: 1, name: '组件1' },
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{ id: 2, name: '组件2' },
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{ id: 3, name: '组件3' },
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{ id: 4, name: '组件4' },
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{ id: 5, name: '组件5' },
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]);
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const processStartList = ref<ComponentItem[]>([]);
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const processEndList = ref<ComponentItem[]>([]);
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const sourceListRef = ref<HTMLElement | null>(null);
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const startListRef = ref<HTMLElement | null>(null);
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const endListRef = ref<HTMLElement | null>(null);
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function getItemIndex(item: ComponentItem): number {
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return componentsList.value.findIndex((comp) => comp.id === item.id);
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}
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function getItemById(id: number): ComponentItem | undefined {
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return componentsList.value.find((comp) => comp.id === id);
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}
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// 添加元素到起点列表,维护相应的 DOM 和数据模型
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function addToStartList(item: ComponentItem, domItem: HTMLElement) {
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const newStartIndex = getItemIndex(item);
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const endIndex = processEndList.value.length > 0 ? getItemIndex(processEndList.value[0]) : -1;
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// 约束检查:如果终点已存在,则新起点必须在终点之前
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if (endIndex !== -1 && newStartIndex >= endIndex) {
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consola.warn('流程起点必须在流程终点之前');
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domItem.remove(); // 移除不符合约束的 DOM 项
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return false; // 表示添加失败
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}
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// 更新数据模型
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if (processStartList.value.length > 0) {
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processStartList.value.splice(0, 1, item); // 替换
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} else {
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processStartList.value.push(item); // 添加
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}
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return true; // 表示添加成功
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}
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// 添加元素到终点列表,维护相应的 DOM 和数据模型
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function addToEndList(item: ComponentItem, domItem: HTMLElement) {
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const newEndIndex = getItemIndex(item);
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const startIndex = processStartList.value.length > 0 ? getItemIndex(processStartList.value[0]) : -1;
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// 约束检查:如果起点已存在,则新终点必须在起点之后
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if (startIndex !== -1 && newEndIndex <= startIndex) {
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consola.warn('流程终点必须在流程起点之后');
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domItem.remove();
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return false; // 表示添加失败
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}
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// 更新数据模型
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if (processEndList.value.length > 0) {
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processEndList.value.splice(0, 1, item); // 替换
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} else {
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processEndList.value.push(item); // 添加
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}
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return true; // 表示添加成功
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}
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// 清理起点列表的 DOM,确保与数据模型一致
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function cleanupStartListDOM(keepItemId?: number) {
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if (!startListRef.value) return;
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consola.info(`清理起点列表 DOM,保留的项 ID:${keepItemId ?? '无'}`);
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const children = [...startListRef.value.children];
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let found = false;
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for (const child of children) {
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if (child instanceof HTMLElement && child.classList.contains('drag-item') && child.dataset.id) {
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const childId = Number.parseInt(child.dataset.id, 10);
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// 如果指定了要保留的项
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if (keepItemId !== undefined && childId === keepItemId) {
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if (found) {
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consola.info(`移除重复的起点项,ID: ${childId}`);
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child.remove(); // 如果已经找到过一个相同ID的项,则这个是重复的,移除
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} else {
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consola.info(`保留起点项,ID: ${childId}`);
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found = true; // 标记找到,保留这个
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}
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}
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// 对于其他项
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else if (keepItemId === undefined || childId !== keepItemId) {
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if (processStartList.value.length === 1 && processStartList.value[0].id === childId) {
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// 如果这个项与数据模型匹配,保留
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if (found) {
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consola.info(`移除重复的起点项,ID: ${childId}`);
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child.remove(); // 但如果已找到一个相同ID的,则这个是重复的
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} else {
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consola.info(`保留与数据模型匹配的起点项,ID: ${childId}`);
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found = true;
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}
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} else {
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// 不在数据模型中的项,移除
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consola.info(`移除不在数据模型中的起点项,ID: ${childId}`);
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child.remove();
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}
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}
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} else if (child.classList.contains('placeholder') && processStartList.value.length > 0) {
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// 数据模型有项时,移除占位符
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consola.info('移除起点列表中的占位符,因为数据模型中已有项');
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child.remove();
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}
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}
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// 如果数据模型为空,且DOM中没有占位符,添加占位符
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if (processStartList.value.length === 0 && !startListRef.value.querySelector('.placeholder')) {
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consola.info('添加起点列表占位符,因为数据模型为空');
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const placeholder = document.createElement('div');
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placeholder.className = 'placeholder';
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placeholder.textContent = '请拖入组件构成流程起点';
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startListRef.value.append(placeholder);
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}
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}
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// 清理终点列表的 DOM,确保与数据模型一致
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function cleanupEndListDOM(keepItemId?: number) {
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if (!endListRef.value) return;
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consola.info(`清理终点列表 DOM,保留的项 ID:${keepItemId ?? '无'}`);
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const children = [...endListRef.value.children];
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let found = false;
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for (const child of children) {
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if (child instanceof HTMLElement && child.classList.contains('drag-item') && child.dataset.id) {
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const childId = Number.parseInt(child.dataset.id, 10);
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// 如果指定了要保留的项
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if (keepItemId !== undefined && childId === keepItemId) {
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if (found) {
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consola.info(`移除重复的终点项,ID: ${childId}`);
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child.remove(); // 如果已经找到过一个相同ID的项,则这个是重复的,移除
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} else {
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consola.info(`保留终点项,ID: ${childId}`);
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found = true; // 标记找到,保留这个
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}
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}
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// 对于其他项
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else if (keepItemId === undefined || childId !== keepItemId) {
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if (processEndList.value.length === 1 && processEndList.value[0].id === childId) {
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// 如果这个项与数据模型匹配,保留
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if (found) {
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consola.info(`移除重复的终点项,ID: ${childId}`);
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child.remove(); // 但如果已找到一个相同ID的,则这个是重复的
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} else {
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consola.info(`保留与数据模型匹配的终点项,ID: ${childId}`);
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found = true;
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}
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} else {
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consola.info(`移除不在数据模型中的终点项,ID: ${childId}`);
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// 不在数据模型中的项,移除
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child.remove();
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}
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}
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} else if (child.classList.contains('placeholder') && processEndList.value.length > 0) {
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// 数据模型有项时,移除占位符
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consola.info('移除终点列表中的占位符,因为数据模型中已有项');
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child.remove();
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}
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}
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// 如果数据模型为空,且DOM中没有占位符,添加占位符
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if (processEndList.value.length === 0 && !endListRef.value.querySelector('.placeholder')) {
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consola.info('添加终点列表占位符,因为数据模型为空');
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const placeholder = document.createElement('div');
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placeholder.className = 'placeholder';
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placeholder.textContent = '请拖入组件构成流程终点';
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endListRef.value.append(placeholder);
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}
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}
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onMounted(() => {
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if (!sourceListRef.value || !startListRef.value || !endListRef.value) {
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consola.error('未能获取到 SortableJS 容器元素');
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return;
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}
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// 初始化源列表
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Sortable.create(sourceListRef.value, {
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group: {
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name: 'components',
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pull: 'clone', // 允许克隆
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put: false, // 不允许拖入
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},
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sort: false, // 源列表内不允许排序
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animation: 150,
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// 将 data-id 附加到拖拽数据中,供目标列表识别
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setData: (dataTransfer, dragEl) => {
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// 确保 dragEl 是有效的 HTMLElement 且包含 data-id
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if (dragEl instanceof HTMLElement && dragEl.dataset.id) {
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dataTransfer.setData('text/plain', dragEl.dataset.id);
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}
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},
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});
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// 初始化流程起点列表
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Sortable.create(startListRef.value, {
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group: {
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name: 'flowPoints', // 修改为新的组名,用于区分"流程点"和普通组件
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pull: true, // 允许拖出
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put: ['components', 'flowPoints'], // 允许接收"组件"和"流程点"
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},
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animation: 150,
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draggable: '.drag-item', // 只有带 .drag-item 的元素才能被拖动
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onAdd: (evt) => {
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const itemId = Number.parseInt(evt.item.dataset.id || '0', 10);
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const newItem = getItemById(itemId);
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if (!newItem) {
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consola.error('找不到拖拽的组件项数据 (起点)');
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evt.item.remove(); // 从 DOM 中移除无效项
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return;
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}
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// 检查来源,如果是从终点列表拖来的
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if (evt.from === endListRef.value) {
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// 从终点列表移除
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processEndList.value = [];
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}
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// 尝试添加到起点列表
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const added = addToStartList(newItem, evt.item);
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// 在下一个 tick 清理 DOM
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nextTick(() => {
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cleanupStartListDOM(added ? itemId : undefined);
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// 如果来源是终点列表,需同时清理终点列表的 DOM
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if (evt.from === endListRef.value) {
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cleanupEndListDOM();
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}
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});
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},
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});
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// 初始化流程终点列表
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Sortable.create(endListRef.value, {
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group: {
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name: 'flowPoints', // 与起点列表使用相同的组名
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pull: true, // 允许拖出
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put: ['components', 'flowPoints'], // 允许接收"组件"和"流程点"
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},
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draggable: '.drag-item',
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animation: 150,
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onAdd: (evt) => {
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const itemId = Number.parseInt(evt.item.dataset.id || '0', 10);
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const newItem = getItemById(itemId);
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if (!newItem) {
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consola.error('找不到拖拽的组件项数据 (终点)');
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evt.item.remove();
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return;
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}
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// 检查来源,如果是从起点列表拖来的
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if (evt.from === startListRef.value) {
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// 从起点列表移除
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processStartList.value = [];
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}
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// 尝试添加到终点列表
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const added = addToEndList(newItem, evt.item);
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// 在下一个 tick 清理 DOM
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nextTick(() => {
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cleanupEndListDOM(added ? itemId : undefined);
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// 如果来源是起点列表,需同时清理起点列表的 DOM
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if (evt.from === startListRef.value) {
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cleanupStartListDOM();
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}
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});
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},
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});
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});
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// 计算流程中的中间节点 (基于起点和终点在原始列表中的位置)
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const intermediateNodes = computed(() => {
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if (processStartList.value.length === 0 || processEndList.value.length === 0) {
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return [];
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}
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const startIndex = getItemIndex(processStartList.value[0]);
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const endIndex = getItemIndex(processEndList.value[0]);
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// 确保起点和终点都有效,且它们之间至少有一个组件
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if (startIndex !== -1 && endIndex !== -1 && startIndex < endIndex - 1) {
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// 返回原始列表中位于起点和终点之间的组件
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return componentsList.value.slice(startIndex + 1, endIndex);
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}
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return [];
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});
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</script>
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<template>
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<div class="flex gap-5 p-5 bg-[#1a1a1a] text-[#e0e0e0] font-sans min-h-100">
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<!-- 组件选择区域 -->
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<div class="flex-1 p-4 rounded">
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<h3 class="text-center mb-5 text-white font-bold">组件选择</h3>
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<div ref="sourceListRef" class="min-h-150px rounded p-2.5 transition-bg duration-200">
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<div
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v-for="item in componentsList"
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:key="item.id"
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class="py-2.5 px-4 mb-2 bg-[#333] border border-[#007bff] text-[#e0e0e0] rounded cursor-grab text-center drag-item component-item"
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:data-id="item.id"
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>
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<!-- data-id 用于 SortableJS 识别拖拽项 -->
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{{ item.name }}
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</div>
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</div>
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</div>
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<!-- 构建流程区域 -->
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<div class="flex-1 p-4 rounded">
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<h3 class="text-center mb-5 text-white font-bold">构建流程</h3>
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<div class="flex items-start mb-2.5">
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<div class="w-20 text-right mr-2.5 pt-2.5 text-[#ccc]">流程起点:</div>
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<div
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ref="startListRef"
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class="flex-1 min-h-150px rounded p-2.5 border-2 border-dashed border-[#555] bg-[#2a2a2a] mt-1.25 mb-5 target-list start-list"
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>
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<div
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v-if="processStartList.length === 0"
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class="flex justify-center items-center h-full min-h-130px text-[#888] text-center placeholder"
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>
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请拖入组件构成流程起点
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</div>
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<div
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v-for="item in processStartList"
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:key="item.id"
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class="py-2.5 px-4 mb-2 bg-[#444] border border-[#17a2b8] text-[#e0e0e0] rounded cursor-default text-center drag-item dropped-item"
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:data-id="item.id"
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>
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{{ item.name }}
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</div>
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</div>
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</div>
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<div class="flex items-start mb-2.5">
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<div class="w-20 text-right mr-2.5 pt-2.5 text-[#ccc]">流程终点:</div>
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<div
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ref="endListRef"
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class="flex-1 min-h-150px rounded p-2.5 border-2 border-dashed border-[#555] bg-[#2a2a2a] mt-1.25 target-list end-list"
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>
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<div
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v-if="processEndList.length === 0"
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class="flex justify-center items-center h-full min-h-130px text-[#888] text-center placeholder"
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>
|
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请拖入组件构成流程终点
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</div>
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<div
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v-for="item in processEndList"
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:key="item.id"
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class="py-2.5 px-4 mb-2 bg-[#444] border border-[#17a2b8] text-[#e0e0e0] rounded cursor-default text-center drag-item dropped-item"
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:data-id="item.id"
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>
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{{ item.name }}
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</div>
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</div>
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</div>
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</div>
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<!-- 预览区域 -->
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<div class="flex-1 p-4 rounded">
|
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<h3 class="text-center mb-5 text-white font-bold">预览</h3>
|
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<div
|
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class="mt-2.5 p-2.5 bg-[#2a2a2a] border border-[#444] rounded min-h-100px flex flex-col items-stretch justify-start gap-2"
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||||
>
|
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<template v-if="processStartList.length > 0 || processEndList.length > 0">
|
||||
<div
|
||||
v-if="processStartList.length > 0"
|
||||
:key="`start-${processStartList[0].id}`"
|
||||
class="py-2.5 px-4 bg-[#333] border border-[#007bff] text-[#e0e0e0] rounded cursor-default flex-shrink-0 text-center drag-item component-item preview-item"
|
||||
>
|
||||
{{ processStartList[0].name }}
|
||||
</div>
|
||||
<div
|
||||
v-for="item in intermediateNodes"
|
||||
:key="`middle-${item.id}`"
|
||||
class="py-2.5 px-4 bg-[#333] border border-[#6c757d] text-[#e0e0e0] rounded cursor-default flex-shrink-0 text-center drag-item component-item preview-item preview-intermediate"
|
||||
>
|
||||
{{ item.name }}
|
||||
</div>
|
||||
<div
|
||||
v-if="processEndList.length > 0"
|
||||
:key="`end-${processEndList[0].id}`"
|
||||
class="py-2.5 px-4 bg-[#333] border border-[#007bff] text-[#e0e0e0] rounded cursor-default flex-shrink-0 text-center drag-item component-item preview-item"
|
||||
>
|
||||
{{ processEndList[0].name }}
|
||||
</div>
|
||||
</template>
|
||||
<div
|
||||
v-else
|
||||
class="flex justify-center items-center h-20 text-[#888] text-center w-full preview-placeholder placeholder"
|
||||
>
|
||||
请拖入起点和终点组件以生成预览
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</template>
|
||||
|
||||
<style scoped>
|
||||
/* SortableJS 拖拽过程中的辅助样式 */
|
||||
.sortable-ghost {
|
||||
opacity: 0.5;
|
||||
background: #4a90e2;
|
||||
}
|
||||
|
||||
/* .sortable-chosen {} */ /* 被选中的元素 */
|
||||
/* .sortable-drag {} */ /* 拖拽中的元素 */
|
||||
</style>
|
330
src/pages/PkgsUsage/VueDraggablePlus.page.vue
Normal file
330
src/pages/PkgsUsage/VueDraggablePlus.page.vue
Normal file
@ -0,0 +1,330 @@
|
||||
<script setup lang="ts">
|
||||
import { computed, ref } from 'vue'; // 导入 computed
|
||||
import { VueDraggable } from 'vue-draggable-plus';
|
||||
|
||||
// 定义组件项的类型
|
||||
interface ComponentItem {
|
||||
id: number;
|
||||
name: string;
|
||||
}
|
||||
|
||||
// 左侧可选组件列表
|
||||
const componentsList = ref<ComponentItem[]>([
|
||||
{ id: 1, name: '目标信号分析组件' },
|
||||
{ id: 2, name: '邻星选择组件' },
|
||||
{ id: 3, name: '参数估计与运算组件' },
|
||||
{ id: 4, name: '参考信号发射组件' },
|
||||
{ id: 5, name: '定位点生成组件' },
|
||||
]);
|
||||
|
||||
// 中间流程起点列表
|
||||
const processStartList = ref<ComponentItem[]>([]);
|
||||
// 中间流程终点列表
|
||||
const processEndList = ref<ComponentItem[]>([]);
|
||||
|
||||
// 获取组件在原始列表中的索引
|
||||
function getItemIndex(item: ComponentItem): number {
|
||||
return componentsList.value.findIndex((comp) => comp.id === item.id);
|
||||
}
|
||||
|
||||
// 处理添加到“流程起点”列表的函数
|
||||
function onAddStart(evt: { newIndex?: number; item?: HTMLElement }) {
|
||||
const newItem = processStartList.value[evt.newIndex!]; // 获取新拖入的项
|
||||
const endIndex = processEndList.value.length > 0 ? getItemIndex(processEndList.value[0]) : -1;
|
||||
const newStartIndex = getItemIndex(newItem);
|
||||
|
||||
// 检查约束:新起点不能在终点之后(如果终点已存在)
|
||||
if (endIndex !== -1 && newStartIndex >= endIndex) {
|
||||
consola.warn('流程起点必须在流程终点之前');
|
||||
// 异步移除,因为 v-model 可能尚未完全同步
|
||||
nextTick(() => {
|
||||
processStartList.value.splice(evt.newIndex!, 1);
|
||||
});
|
||||
return; // 阻止后续替换逻辑
|
||||
}
|
||||
|
||||
// 处理替换逻辑
|
||||
if (processStartList.value.length > 1) {
|
||||
const oldIndex = evt.newIndex === 0 ? 1 : 0;
|
||||
processStartList.value.splice(oldIndex, 1); // 移除旧项
|
||||
consola.info('流程起点组件已替换');
|
||||
}
|
||||
}
|
||||
|
||||
// 处理添加到“流程终点”列表的函数
|
||||
function onAddEnd(evt: { newIndex?: number; item?: HTMLElement }) {
|
||||
const newItem = processEndList.value[evt.newIndex!]; // 获取新拖入的项
|
||||
const startIndex = processStartList.value.length > 0 ? getItemIndex(processStartList.value[0]) : -1;
|
||||
const newEndIndex = getItemIndex(newItem);
|
||||
|
||||
// 检查约束:新终点不能在起点之前(如果起点已存在)
|
||||
if (startIndex !== -1 && newEndIndex <= startIndex) {
|
||||
consola.warn('流程终点必须在流程起点之后');
|
||||
// 异步移除
|
||||
nextTick(() => {
|
||||
processEndList.value.splice(evt.newIndex!, 1);
|
||||
});
|
||||
return; // 阻止后续替换逻辑
|
||||
}
|
||||
|
||||
// 处理替换逻辑
|
||||
if (processEndList.value.length > 1) {
|
||||
const oldIndex = evt.newIndex === 0 ? 1 : 0;
|
||||
processEndList.value.splice(oldIndex, 1); // 移除旧项
|
||||
consola.info('流程终点组件已替换');
|
||||
}
|
||||
}
|
||||
|
||||
// 计算中间节点
|
||||
const intermediateNodes = computed(() => {
|
||||
if (processStartList.value.length === 0 || processEndList.value.length === 0) {
|
||||
return [];
|
||||
}
|
||||
const startIndex = getItemIndex(processStartList.value[0]);
|
||||
const endIndex = getItemIndex(processEndList.value[0]);
|
||||
|
||||
if (startIndex !== -1 && endIndex !== -1 && startIndex < endIndex - 1) {
|
||||
// 提取起点和终点之间的组件
|
||||
return componentsList.value.slice(startIndex + 1, endIndex);
|
||||
}
|
||||
return [];
|
||||
});
|
||||
</script>
|
||||
|
||||
<template>
|
||||
<div class="drag-container">
|
||||
<!-- 组件选择区域 -->
|
||||
<div class="component-selection">
|
||||
<h3>组件选择</h3>
|
||||
<VueDraggable
|
||||
v-model="componentsList"
|
||||
class="drag-list source-list"
|
||||
:group="{ name: 'components', pull: 'clone', put: false }"
|
||||
:sort="false"
|
||||
>
|
||||
<div v-for="item in componentsList" :key="item.id" class="drag-item component-item">
|
||||
{{ item.name }}
|
||||
</div>
|
||||
</VueDraggable>
|
||||
</div>
|
||||
|
||||
<!-- 构建流程区域 -->
|
||||
<div class="build-process">
|
||||
<h3>构建流程</h3>
|
||||
<div class="process-area">
|
||||
<div class="process-label">流程起点:</div>
|
||||
<VueDraggable
|
||||
v-model="processStartList"
|
||||
class="drag-list target-list start-list"
|
||||
group="components"
|
||||
@add="onAddStart"
|
||||
>
|
||||
<div v-if="processStartList.length === 0" class="placeholder">请拖入组件构成流程起点</div>
|
||||
<div v-for="item in processStartList" :key="item.id" class="drag-item dropped-item">
|
||||
{{ item.name }}
|
||||
</div>
|
||||
</VueDraggable>
|
||||
</div>
|
||||
|
||||
<div class="process-area">
|
||||
<div class="process-label">流程终点:</div>
|
||||
<VueDraggable
|
||||
v-model="processEndList"
|
||||
class="drag-list target-list end-list"
|
||||
group="components"
|
||||
@add="onAddEnd"
|
||||
draggable=".drag-item"
|
||||
>
|
||||
<div v-if="processEndList.length === 0" class="placeholder">请拖入组件构成流程终点</div>
|
||||
<div v-for="item in processEndList" :key="item.id" class="drag-item dropped-item">
|
||||
{{ item.name }}
|
||||
</div>
|
||||
</VueDraggable>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<!-- 预览区域 -->
|
||||
<div class="preview-area">
|
||||
<h3>预览</h3>
|
||||
<div class="preview-content">
|
||||
<template v-if="processStartList.length > 0 || processEndList.length > 0">
|
||||
<!-- 显示起点组件 -->
|
||||
<div
|
||||
v-if="processStartList.length > 0"
|
||||
:key="`start-${processStartList[0].id}`"
|
||||
class="drag-item component-item preview-item"
|
||||
>
|
||||
{{ processStartList[0].name }}
|
||||
</div>
|
||||
<!-- 显示计算出的中间节点 -->
|
||||
<div
|
||||
v-for="item in intermediateNodes"
|
||||
:key="`middle-${item.id}`"
|
||||
class="drag-item component-item preview-item preview-intermediate"
|
||||
>
|
||||
{{ item.name }}
|
||||
</div>
|
||||
<!-- 显示终点组件 -->
|
||||
<div
|
||||
v-if="processEndList.length > 0"
|
||||
:key="`end-${processEndList[0].id}`"
|
||||
class="drag-item component-item preview-item"
|
||||
>
|
||||
{{ processEndList[0].name }}
|
||||
</div>
|
||||
</template>
|
||||
<!-- 如果都没有选择,显示占位符 -->
|
||||
<div v-else class="placeholder preview-placeholder">请拖入起点和终点组件以生成预览</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</template>
|
||||
|
||||
<style scoped>
|
||||
.drag-container {
|
||||
display: flex;
|
||||
gap: 20px;
|
||||
padding: 20px;
|
||||
background-color: #1a1a1a; /* 深色背景模拟图片 */
|
||||
color: #e0e0e0;
|
||||
font-family: sans-serif;
|
||||
min-height: 400px; /* 保证容器有足够高度 */
|
||||
}
|
||||
|
||||
.component-selection,
|
||||
.build-process,
|
||||
.preview-area {
|
||||
flex: 1;
|
||||
padding: 15px;
|
||||
border-radius: 4px;
|
||||
}
|
||||
|
||||
.component-selection h3,
|
||||
.build-process h3,
|
||||
.preview-area h3 {
|
||||
text-align: center;
|
||||
margin-bottom: 20px;
|
||||
color: #ffffff;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.drag-list {
|
||||
min-height: 150px; /* 列表最小高度 */
|
||||
border-radius: 4px;
|
||||
padding: 10px;
|
||||
transition: background-color 0.2s ease;
|
||||
}
|
||||
|
||||
.source-list {
|
||||
/* 源列表特定样式 */
|
||||
}
|
||||
|
||||
.target-list {
|
||||
border: 2px dashed #555; /* 虚线边框 */
|
||||
background-color: #2a2a2a; /* 目标区域背景 */
|
||||
margin-top: 5px; /* 与标签的间距 */
|
||||
}
|
||||
|
||||
.target-list.start-list {
|
||||
margin-bottom: 20px; /* 起点和终点区域间距 */
|
||||
}
|
||||
|
||||
.drag-item {
|
||||
padding: 10px 15px;
|
||||
margin-bottom: 8px;
|
||||
background-color: #333;
|
||||
border: 1px solid #007bff; /* 蓝色边框 */
|
||||
color: #e0e0e0;
|
||||
border-radius: 4px;
|
||||
cursor: grab;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.component-item {
|
||||
/* 源列表项特定样式 */
|
||||
}
|
||||
|
||||
.dropped-item {
|
||||
background-color: #444; /* 放入目标区域后的样式 */
|
||||
border-color: #17a2b8; /* 不同颜色边框 */
|
||||
cursor: default;
|
||||
}
|
||||
|
||||
.placeholder {
|
||||
display: flex;
|
||||
justify-content: center;
|
||||
align-items: center;
|
||||
height: 100%;
|
||||
min-height: 130px; /* 确保占位符区域可见 */
|
||||
color: #888;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.process-area {
|
||||
display: flex;
|
||||
align-items: flex-start; /* 标签和列表顶部对齐 */
|
||||
margin-bottom: 10px; /* 增加区域间距 */
|
||||
}
|
||||
|
||||
.process-label {
|
||||
width: 80px; /* 固定标签宽度 */
|
||||
text-align: right;
|
||||
margin-right: 10px;
|
||||
padding-top: 10px; /* 调整标签垂直位置 */
|
||||
color: #ccc;
|
||||
}
|
||||
|
||||
.target-list {
|
||||
flex: 1; /* 列表占据剩余空间 */
|
||||
}
|
||||
|
||||
.preview-content {
|
||||
margin-top: 10px;
|
||||
padding: 10px; /* 调整内边距以适应项目 */
|
||||
background-color: #2a2a2a;
|
||||
border: 1px solid #444;
|
||||
border-radius: 4px;
|
||||
min-height: 100px; /* 增加最小高度 */
|
||||
display: flex;
|
||||
flex-direction: column; /* 设置为垂直方向排列 */
|
||||
align-items: stretch; /* 使项目宽度撑满容器 */
|
||||
justify-content: flex-start; /* 从顶部开始排列 */
|
||||
gap: 8px; /* 调整垂直间距 */
|
||||
/* 移除 flex-wrap,因为单列不需要换行 */
|
||||
}
|
||||
|
||||
.preview-item {
|
||||
cursor: default; /* 预览项不可拖动 */
|
||||
flex-shrink: 0; /* 防止项目被压缩 */
|
||||
}
|
||||
|
||||
.preview-intermediate {
|
||||
/* 可以为中间节点添加特定样式,例如不同的边框颜色 */
|
||||
border-color: #6c757d; /* 灰色边框 */
|
||||
}
|
||||
/* 预览区域内的占位符特定样式 */
|
||||
.preview-placeholder {
|
||||
display: flex; /* 确保 flex 布局生效 */
|
||||
justify-content: center;
|
||||
align-items: center;
|
||||
min-height: auto; /* 移除继承的最小高度 */
|
||||
height: 80px; /* 给一个合适的高度 */
|
||||
color: #888;
|
||||
text-align: center;
|
||||
width: 100%; /* 占满容器宽度 */
|
||||
}
|
||||
|
||||
/* 拖拽过程中的样式 (可选) */
|
||||
.sortable-ghost {
|
||||
opacity: 0.5;
|
||||
background: #4a90e2;
|
||||
}
|
||||
|
||||
.sortable-chosen {
|
||||
/* 被选中的元素样式 */
|
||||
}
|
||||
|
||||
.sortable-drag {
|
||||
/* 拖拽中的元素样式 */
|
||||
}
|
||||
</style>
|
Reference in New Issue
Block a user