menduner/src/components/DiyEditor/index.vue

<template>
  <el-container class="editor">
    <!-- 顶部：工具栏 -->
    <el-header class="editor-header">
      <!-- 左侧操作区 -->
      <slot name="toolBarLeft"></slot>
      <!-- 中心操作区 -->
      <div class="header-center flex flex-1 items-center justify-center">
        <span>{{ title }}</span>
      </div>
      <!-- 右侧操作区 -->
      <el-button-group class="header-right">
        <el-tooltip content="重置">
          <el-button @click="handleReset">
            <Icon icon="system-uicons:reset-alt" :size="24" />
          </el-button>
        </el-tooltip>
        <el-tooltip content="预览">
          <el-button @click="handlePreview">
            <Icon icon="ep:view" :size="24" />
          </el-button>
        </el-tooltip>
        <el-tooltip content="保存">
          <el-button @click="handleSave">
            <Icon icon="ep:check" :size="24" />
          </el-button>
        </el-tooltip>
      </el-button-group>
    </el-header>
    <!-- 中心区域 -->
    <el-container class="editor-container">
      <!-- 左侧：组件库 -->
      <ComponentLibrary ref="componentLibrary" :list="libs" v-if="libs && libs.length > 0" />
      <!-- 中心设计区域 -->
      <div class="editor-center page-prop-area" @click="handlePageSelected">
        <div class="editor-design">
          <!-- 手机顶部 -->
          <div class="editor-design-top">
            <!-- 手机顶部状态栏 -->
            <img src="@/assets/imgs/diy/statusBar.png" alt="" class="status-bar" />
            <!-- 手机顶部导航栏 -->
            <NavigationBar
              v-if="showNavigationBar"
              :property="navigationBarComponent.property"
              @click="handleNavigationBarSelected"
              :class="[
                'component',
                'cursor-pointer!',
                { active: selectedComponent?.id === navigationBarComponent.id }
              ]"
            />
          </div>
          <!-- 手机页面编辑区域 -->
          <el-scrollbar class="editor-design-center" height="100%" view-class="page-prop-area">
            <div
              class="phone-container"
              :style="{
                backgroundColor: pageConfigComponent.property.backgroundColor,
                backgroundImage: `url(${pageConfigComponent.property.backgroundImage})`
              }"
            >
              <draggable
                class="page-prop-area drag-area"
                v-model="pageComponents"
                item-key="index"
                :animation="200"
                filter=".component-toolbar"
                ghost-class="draggable-ghost"
                :force-fallback="true"
                group="component"
                @change="handleComponentChange"
              >
                <template #item="{ element, index }">
                  <div class="component-container" @click="handleComponentSelected(element, index)">
                    <!-- 左侧组件名 -->
                    <div
                      :class="['component-name', { active: selectedComponentIndex === index }]"
                      v-if="element.name"
                    >
                      {{ element.name }}
                    </div>
                    <!-- 组件内容区 -->
                    <div :class="['component', { active: selectedComponentIndex === index }]">
                      <component
                        :is="element.id"
                        :property="element.property"
                        :data-type="element.id"
                      />
                    </div>
                    <!-- 左侧：组件操作工具栏 -->
                    <div
                      class="component-toolbar"
                      v-if="element.name && selectedComponentIndex === index"
                    >
                      <el-button-group type="primary">
                        <el-tooltip content="上移" placement="right">
                          <el-button
                            :disabled="index === 0"
                            @click.stop="handleMoveComponent(index, -1)"
                          >
                            <Icon icon="ep:arrow-up" />
                          </el-button>
                        </el-tooltip>
                        <el-tooltip content="下移" placement="right">
                          <el-button
                            :disabled="index === pageComponents.length - 1"
                            @click.stop="handleMoveComponent(index, 1)"
                          >
                            <Icon icon="ep:arrow-down" />
                          </el-button>
                        </el-tooltip>
                        <el-tooltip content="复制" placement="right">
                          <el-button @click.stop="handleCopyComponent(index)">
                            <Icon icon="ep:copy-document" />
                          </el-button>
                        </el-tooltip>
                        <el-tooltip content="删除" placement="right">
                          <el-button @click.stop="handleDeleteComponent(index)">
                            <Icon icon="ep:delete" />
                          </el-button>
                        </el-tooltip>
                      </el-button-group>
                    </div>
                  </div>
                </template>
              </draggable>
            </div>
          </el-scrollbar>
          <!-- 手机底部导航 -->
          <div
            v-if="showTabBar"
            :class="[
              'editor-design-bottom',
              'component',
              'cursor-pointer!',
              { active: selectedComponent?.id === tabBarComponent.id }
            ]"
          >
            <TabBar :property="tabBarComponent.property" @click="handleTabBarSelected" />
          </div>
        </div>
      </div>
      <!-- 右侧属性面板 -->
      <el-aside class="editor-right" width="350px" v-if="selectedComponent?.property">
        <el-card
          shadow="never"
          body-class="h-[calc(100%-var(--el-card-padding)-var(--el-card-padding))]"
          class="h-full"
        >
          <!-- 组件名称 -->
          <template #header>
            <div class="flex items-center gap-8px">
              <Icon :icon="selectedComponent.icon" color="gray" />
              <span>{{ selectedComponent.name }}</span>
            </div>
          </template>
          <el-scrollbar
            class="m-[calc(0px-var(--el-card-padding))]"
            view-class="p-[var(--el-card-padding)] p-b-[calc(var(--el-card-padding)+var(--el-card-padding))] property"
          >
            <component
              :is="selectedComponent.id + 'Property'"
              v-model="selectedComponent.property"
            />
          </el-scrollbar>
        </el-card>
      </el-aside>
    </el-container>
  </el-container>
</template>
<script lang="ts">
// 注册所有的组件
import { components } from './components/mobile/index'
export default {
  components: { ...components }
}
</script>
<script lang="ts" setup>
import draggable from 'vuedraggable'
import ComponentLibrary from './components/ComponentLibrary.vue'
import NavigationBar from './components/mobile/NavigationBar/index.vue'
import TabBar from './components/mobile/TabBar/index.vue'
import { cloneDeep, includes } from 'lodash-es'
import { component as PAGE_CONFIG_COMPONENT } from '@/components/DiyEditor/components/mobile/PageConfig/config'
import { component as NAVIGATION_BAR_COMPONENT } from './components/mobile/NavigationBar/config'
import { component as TAB_BAR_COMPONENT } from './components/mobile/TabBar/config'
import { isString } from '@/utils/is'
import { DiyComponent, DiyComponentLibrary, PageConfig } from '@/components/DiyEditor/util'
import { componentConfigs } from '@/components/DiyEditor/components/mobile'

/** 页面装修详情页 */
defineOptions({ name: 'DiyPageDetail' })

// 消息弹窗
const message = useMessage()
// 左侧组件库
const componentLibrary = ref()
// 页面设置组件
const pageConfigComponent = ref<DiyComponent<any>>(cloneDeep(PAGE_CONFIG_COMPONENT))
// 顶部导航栏
const navigationBarComponent = ref<DiyComponent<any>>(cloneDeep(NAVIGATION_BAR_COMPONENT))
// 底部导航菜单
const tabBarComponent = ref<DiyComponent<any>>(cloneDeep(TAB_BAR_COMPONENT))

// 选中的组件，默认选中顶部导航栏
const selectedComponent = ref<DiyComponent<any>>()
// 选中的组件索引
const selectedComponentIndex = ref<number>(-1)
// 组件列表
const pageComponents = ref<DiyComponent<any>[]>([])
// 定义属性
const props = defineProps<{
  // 页面配置，支持Json字符串
  modelValue: string | PageConfig
  // 标题
  title: string
  // 组件库
  libs: DiyComponentLibrary[]
  // 是否显示顶部导航栏
  showNavigationBar: boolean
  // 是否显示底部导航菜单
  showTabBar: boolean
  // 是否显示页面配置
  showPageConfig: boolean
}>()

// 监听传入的页面配置
watch(
  () => props.modelValue,
  () => {
    const modelValue = isString(props.modelValue)
      ? (JSON.parse(props.modelValue) as PageConfig)
      : props.modelValue
    pageConfigComponent.value.property = modelValue?.page || PAGE_CONFIG_COMPONENT.property
    navigationBarComponent.value.property =
      modelValue?.navigationBar || NAVIGATION_BAR_COMPONENT.property
    tabBarComponent.value.property = modelValue?.tabBar || TAB_BAR_COMPONENT.property
    // 查找对应的页面组件
    pageComponents.value = (modelValue?.components || []).map((item) => {
      const component = componentConfigs[item.id]
      return { ...component, property: item.property }
    })
  },
  {
    immediate: true
  }
)
// 保存
const handleSave = () => {
  const pageConfig = {
    page: pageConfigComponent.value.property,
    navigationBar: navigationBarComponent.value.property,
    tabBar: tabBarComponent.value.property,
    components: pageComponents.value.map((component) => {
      // 只保留APP有用的字段
      return { id: component.id, property: component.property }
    })
  } as PageConfig
  // 发送数据更新通知
  const modelValue = isString(props.modelValue) ? JSON.stringify(pageConfig) : pageConfig
  emits('update:modelValue', modelValue)
  // 发送保存通知
  emits('save', pageConfig)
}

// 处理页面选中：显示属性表单
const handlePageSelected = (event: any) => {
  if (!props.showPageConfig) return

  // 配置了样式 page-prop-area 的元素，才显示页面设置
  if (includes(event?.target?.classList, 'page-prop-area')) {
    handleComponentSelected(unref(pageConfigComponent))
  }
}

/**
 * 选中组件
 *
 * @param component 组件
 * @param index 组件的索引
 */
const handleComponentSelected = (component: DiyComponent<any>, index: number = -1) => {
  selectedComponent.value = component
  selectedComponentIndex.value = index
}

// 选中顶部导航栏
const handleNavigationBarSelected = () => {
  handleComponentSelected(unref(navigationBarComponent))
}

// 选中底部导航菜单
const handleTabBarSelected = () => {
  handleComponentSelected(unref(tabBarComponent))
}

// 组件变动
const handleComponentChange = (dragEvent: any) => {
  // 新增，即从组件库拖拽添加组件
  if (dragEvent.added) {
    const { element, newIndex } = dragEvent.added
    handleComponentSelected(element, newIndex)
  } else if (dragEvent.moved) {
    // 拖拽排序
    const { newIndex } = dragEvent.moved
    // 保持选中
    selectedComponentIndex.value = newIndex
  }
}

// 交换组件
const swapComponent = (oldIndex: number, newIndex: number) => {
  ;[pageComponents.value[oldIndex], pageComponents.value[newIndex]] = [
    pageComponents.value[newIndex],
    pageComponents.value[oldIndex]
  ]
  // 保持选中
  selectedComponentIndex.value = newIndex
}

/** 移动组件 */
const handleMoveComponent = (index: number, direction: number) => {
  const newIndex = index + direction
  if (newIndex < 0 || newIndex >= pageComponents.value.length) return

  swapComponent(index, newIndex)
}
/** 复制组件 */
const handleCopyComponent = (index: number) => {
  const component = cloneDeep(pageComponents.value[index])
  pageComponents.value.splice(index + 1, 0, component)
}
/**
 * 删除组件
 * @param index 当前组件index
 */
const handleDeleteComponent = (index: number) => {
  // 删除组件
  pageComponents.value.splice(index, 1)
  if (index < pageComponents.value.length) {
    // 1. 不是最后一个组件时，删除后选中下面的组件
    let bottomIndex = index
    handleComponentSelected(pageComponents.value[bottomIndex], bottomIndex)
  } else if (pageComponents.value.length > 0) {
    // 2. 不是第一个组件时，删除后选中上面的组件
    let topIndex = index - 1
    handleComponentSelected(pageComponents.value[topIndex], topIndex)
  } else {
    // 3. 组件全部删除之后，显示页面设置
    handleComponentSelected(unref(pageConfigComponent))
  }
}

// 工具栏操作
const emits = defineEmits(['reset', 'preview', 'save', 'update:modelValue'])
// 重置
const handleReset = () => {
  message.warning('开发中~')
  emits('reset')
}
// 预览
const handlePreview = () => {
  message.warning('开发中~')
  emits('preview')
}

// 设置默认选中的组件
const setDefaultSelectedComponent = () => {
  if (props.showPageConfig) {
    selectedComponent.value = unref(pageConfigComponent)
  } else if (props.showNavigationBar) {
    selectedComponent.value = unref(navigationBarComponent)
  } else if (props.showTabBar) {
    selectedComponent.value = unref(tabBarComponent)
  }
}
watch(
  () => [props.showPageConfig, props.showNavigationBar, props.showTabBar],
  () => setDefaultSelectedComponent()
)
onMounted(() => setDefaultSelectedComponent())
</script>
<style lang="scss" scoped>
/* 手机宽度 */
$phone-width: 375px;
/* 根节点样式 */
.editor {
  height: 100%;
  margin: calc(0px - var(--app-content-padding));
  display: flex;
  flex-direction: column;
  /* 顶部：工具栏 */
  .editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: auto;
    padding: 0;
    border-bottom: solid 1px var(--el-border-color);
    background-color: var(--el-bg-color);
    /* 工具栏：右侧按钮 */
    .header-right {
      height: 100%;
      .el-button {
        height: 100%;
      }
    }
    /* 隐藏工具栏按钮的边框 */
    :deep(.el-radio-button__inner),
    :deep(.el-button) {
      border-top: none !important;
      border-bottom: none !important;
      border-radius: 0 !important;
    }
  }
  /* 中心操作区 */
  .editor-container {
    height: calc(
      100vh - var(--top-tool-height) - var(--tags-view-height) - var(--app-footer-height) - 42px
    );
    /* 右侧属性面板 */
    .editor-right {
      flex-shrink: 0;
      box-shadow: -8px 0 8px -8px rgba(0, 0, 0, 0.12);
      /* 属性面板顶部：减少内边距 */
      :deep(.el-card__header) {
        padding: 8px 16px;
      }
      /* 属性面板分组 */
      .property-group {
        /* 属性分组 */
        :deep(.el-card__header) {
          border: none;
          background: var(--el-bg-color-page);
        }
      }
    }

    /* 中心区域 */
    .editor-center {
      flex: 1 1 0;
      padding: 16px 0;
      background-color: var(--app-content-bg-color);
      display: flex;
      justify-content: center;
      /* 中心设计区域 */
      .editor-design {
        position: relative;
        height: 100%;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        overflow: hidden;

        /* 组件 */
        .component {
          border: 1px solid #fff;
          width: $phone-width;
          cursor: move;
          /* 鼠标放到组件上时 */
          &:hover {
            border: 1px dashed var(--el-color-primary);
          }
        }
        /* 组件选中 */
        .component.active {
          border: 2px solid var(--el-color-primary);
        }
        /* 手机顶部 */
        .editor-design-top {
          width: $phone-width;
          /* 手机顶部状态栏 */
          .status-bar {
            height: 20px;
            width: $phone-width;
            background-color: #fff;
          }
        }
        /* 手机底部导航 */
        .editor-design-bottom {
          width: $phone-width;
        }
        /* 手机页面编辑区域 */
        .editor-design-center {
          width: 100%;
          flex: 1 1 0;

          :deep(.el-scrollbar__view) {
            height: 100%;
          }

          /* 主体内容 */
          .phone-container {
            height: 100%;
            box-sizing: border-box;
            position: relative;
            background-repeat: no-repeat;
            background-size: 100% 100%;
            width: $phone-width;
            margin: 0 auto;
            .drag-area {
              height: 100%;
            }

            /* 组件容器（左侧：组件名称，中间：组件，右侧：操作工具栏） */
            .component-container {
              width: 100%;
              position: relative;
              /* 左侧：组件名称 */
              .component-name {
                position: absolute;
                width: 80px;
                text-align: center;
                line-height: 25px;
                height: 25px;
                background: #fff;
                font-size: 12px;
                left: -85px;
                top: 0;
                box-shadow:
                  0 0 4px #00000014,
                  0 2px 6px #0000000f,
                  0 4px 8px 2px #0000000a;
                /* 右侧小三角 */
                &:after {
                  position: absolute;
                  top: 7.5px;
                  right: -10px;
                  content: ' ';
                  height: 0;
                  width: 0;
                  border: 5px solid transparent;
                  border-left-color: #fff;
                }
              }
              /* 组件选中按钮 */
              .component-name.active {
                background: var(--el-color-primary);
                color: #fff;
                &:after {
                  border-left-color: var(--el-color-primary);
                }
              }
              /* 右侧：组件操作工具栏 */
              .component-toolbar {
                position: absolute;
                top: 0;
                right: -57px;
                /* 左侧小三角 */
                &:before {
                  position: absolute;
                  top: 10px;
                  left: -10px;
                  content: ' ';
                  height: 0;
                  width: 0;
                  border: 5px solid transparent;
                  border-right-color: #2d8cf0;
                }

                /* 重写 Element 按钮组的样式（官方只支持水平显示，增加垂直显示的样式） */
                .el-button-group {
                  display: inline-flex;
                  flex-direction: column;
                }
                .el-button-group > .el-button:first-child {
                  border-bottom-left-radius: 0;
                  border-bottom-right-radius: 0;
                  border-top-right-radius: var(--el-border-radius-base);
                  border-bottom-color: var(--el-button-divide-border-color);
                }
                .el-button-group > .el-button:last-child {
                  border-top-left-radius: 0;
                  border-top-right-radius: 0;
                  border-bottom-left-radius: var(--el-border-radius-base);
                  border-top-color: var(--el-button-divide-border-color);
                }
                .el-button-group .el-button--primary:not(:first-child):not(:last-child) {
                  border-top-color: var(--el-button-divide-border-color);
                  border-bottom-color: var(--el-button-divide-border-color);
                }
                .el-button-group > .el-button:not(:last-child) {
                  margin-bottom: -1px;
                  margin-right: 0;
                }
              }
            }
          }
        }
      }
    }
  }
}
</style>