JoyD/AutoRobot/Windows/Robot/Web/src/DockLayout/Area.vue

<template>
    <div 
      class="vs-area select-none" 
      :class="{ 'is-maximized': isMaximized, 'is-normal': !isMaximized }" 
      :style="areaStyle"
      @dragover="handleDragOver"
      @dragleave="handleDragLeave"
    >
      <!-- 调整大小的边框 -->
      <div 
        v-if="resizable && !isMaximized" 
        class="resize-handle resize-handle-nw" 
        @mousedown="onResizeStart('nw', $event)"
      ></div>
      <div 
        v-if="resizable && !isMaximized" 
        class="resize-handle resize-handle-ne" 
        @mousedown="onResizeStart('ne', $event)"
      ></div>
      <div 
        v-if="resizable && !isMaximized" 
        class="resize-handle resize-handle-sw" 
        @mousedown="onResizeStart('sw', $event)"
      ></div>
      <div 
        v-if="resizable && !isMaximized" 
        class="resize-handle resize-handle-se" 
        @mousedown="onResizeStart('se', $event)"
      ></div>
      <div 
        v-if="resizable && !isMaximized" 
        class="resize-handle resize-handle-n" 
        @mousedown="onResizeStart('n', $event)"
      ></div>
      <div 
        v-if="resizable && !isMaximized" 
        class="resize-handle resize-handle-e" 
        @mousedown="onResizeStart('e', $event)"
      ></div>
      <div 
        v-if="resizable && !isMaximized" 
        class="resize-handle resize-handle-s" 
        @mousedown="onResizeStart('s', $event)"
      ></div>
      <div 
        v-if="resizable && !isMaximized" 
        class="resize-handle resize-handle-w" 
        @mousedown="onResizeStart('w', $event)"
      ></div>
      <!-- 顶部标题栏 -->
      <div v-if="showTitleBar" class="vs-title-bar" :class="{ 'cursor-move': !isMaximized }" @mousedown="onDragStart">
        <div class="vs-title-left">
          <div class="vs-app-icon" aria-label="AppIcon">
            <svg class="vs-icon" viewBox="0 0 22.4 22.4" aria-hidden="true">
              <path
                fill="#68217A"
                fill-rule="evenodd"
                clip-rule="evenodd"
                style="shape-rendering: crispEdges;"
                d="M0 4.2 L1.8 3.4 L5.8 6.6 L12.6 0 L16.6 1.8 L16.6 15 L12.4 16.6 L6 10.2 L1.8 13.4 L0 12.6 Z
                   M1.8 5.8 L4.2 8.4 L1.8 10.8 Z
                   M8.2 8.4 L12.6 5 L12.4 11.6 Z" />
            </svg>
          </div>
          <span class="vs-title-text">{{ title || '面板区' }}</span>
        </div>
        <div class="vs-title-right title-bar-buttons flex items-center gap-0.5">
          <button class="button-icon p-[2px] rounded hover:opacity-100 opacity-80" :aria-label="isMaximized ? '还原' : '最大化'" @click="onToggleMaximize">
            <svg v-if="!isMaximized" class="icon-square-svg" width="11" height="11" viewBox="0 0 11 11" aria-hidden="true">
              <rect x="0.5" y="0.5" width="10" height="10" fill="#cbd6ff" stroke="#8ea3d8" stroke-width="1" />
              <rect x="3" y="3" width="5" height="1" fill="#b8c6ff" />
              <rect x="1" y="3" width="8.5" height="6.5" fill="#435d9c" />
            </svg>
            <svg v-else class="icon-square-svg" width="11" height="11" viewBox="0 0 11 11" aria-hidden="true">
                <path
                  fill="#CED4DD"
                  fill-rule="evenodd"
                  clip-rule="evenodd"
                  d="M1 4 L4 4 L4 1 L11 1 L11 8 L8 8 L8 11 L1 11 Z
                   M5 4 L5 3 L10 3 L10 7 L8 7 L8 4 Z
                   M2 6 L12.6 5 L7 6 L7 10 L2 10 Z" />
            </svg>
          </button>
          <button class="button-icon p-[2px] rounded hover:opacity-100 opacity-80" aria-label="关闭" @click="onClose">
            <svg width="11" height="11" viewBox="0 0 11 11" aria-hidden="true">
              <line x1="2" y1="2" x2="9" y2="9" stroke="#e6efff" stroke-width="1"></line>
              <line x1="2" y1="9" x2="9" y2="2" stroke="#e6efff" stroke-width="1"></line>
            </svg>
          </button>
        </div>
      </div>

      <!-- 内容区域 -->
      <div class="vs-content">
        <!-- 这里是内容区域，使用slot接收子组件，并监听Panel的maximize事件 -->
        <slot @maximize="onPanelMaximize"></slot>
      </div>
    </div>
</template>

<script setup>
import { defineProps, computed, defineEmits, ref, onMounted, watch } from 'vue'

const props = defineProps({
  id: { type: String, required: true },
  title: { type: String, default: '面板区' },
  resizable: { type: Boolean, default: true },
  // 初始状态（支持中文值）
  WindowState: { type: String, default: '正常' },
  // 默认尺寸
  width: { type: Number, default: 300 },
  height: { type: Number, default: 250 },
  // 控制标题栏显示
  showTitleBar: { type: Boolean, default: true },
  // 位置属性，可选
  left: { type: Number, default: undefined },
  top: { type: Number, default: undefined },
  draggable: { type: Boolean, default: true }
})

// 本地状态
const localState = ref(props.WindowState)
// 保存原始位置和大小信息
const originalPosition = ref({
  width: props.width,
  height: props.height,
  left: props.left,
  top: props.top
})
// 保存最大化前的位置和大小，用于还原
const maximizedFromPosition = ref(null)

// 拖拽相关状态
const isDragging = ref(false)
const dragStartPos = ref({ x: 0, y: 0 })
const areaStartPos = ref({ x: 0, y: 0 })

// 调整大小相关状态
const isResizing = ref(false)
const resizeStartPos = ref({ x: 0, y: 0 })
const resizeDirection = ref(null)
const resizeStartSize = ref({ width: 0, height: 0 })
const resizeStartAreaPos = ref({ left: 0, top: 0 })

// 父容器引用
const parentContainer = ref(null)

// 根据本地状态计算是否最大化
const isMaximized = computed(() => localState.value === '最大化' || localState.value === 'maximized')

// 监听props位置变化，更新原始位置
watch(() => props.left, (newLeft) => {
  if (newLeft !== undefined && newLeft !== originalPosition.value.left) {
    originalPosition.value.left = newLeft
  }
}, { immediate: true })

watch(() => props.top, (newTop) => {
  if (newTop !== undefined && newTop !== originalPosition.value.top) {
    originalPosition.value.top = newTop
  }
}, { immediate: true })

// 监听WindowState变化，同步更新localState
watch(() => props.WindowState, (newState) => {
  if (newState !== localState.value) {
    localState.value = newState
    
    // 如果是从外部设置为最大化，保存当前位置以便还原
    if (newState === '最大化' || newState === 'maximized') {
      maximizedFromPosition.value = {
        width: originalPosition.value.width,
        height: originalPosition.value.height,
        left: originalPosition.value.left,
        top: originalPosition.value.top
      }
    } else if (maximizedFromPosition.value) {
      // 如果是从外部设置为正常状态，恢复保存的位置
      originalPosition.value = { ...maximizedFromPosition.value }
    }
  }
}, { immediate: true })

// 根据状态计算尺寸和位置样式
const areaStyle = computed(() => {
  if (isMaximized.value) {
    // 最大化时填充满父容器
    return {
      width: '100%',
      height: '100%',
      position: 'absolute',
      top: 0,
      left: 0,
      zIndex: 100,
      margin: 0,
      padding: 0
    }
  }
  
  // 非最大化状态：使用原始位置或默认居中
  const style = {
    width: `${originalPosition.value.width}px`,
    height: `${originalPosition.value.height}px`
  }
  
  // 如果有明确的位置，则使用指定位置
  if (originalPosition.value.left !== undefined) {
    style.left = `${originalPosition.value.left}px`
  }
  if (originalPosition.value.top !== undefined) {
    style.top = `${originalPosition.value.top}px`
  }
  
  return style
})

const emit = defineEmits(['close', 'update:WindowState', 'update:position', 'dragover', 'dragleave'])

// 处理Panel的最大化事件
const onPanelMaximize = (panelId) => {
  // 检查内容区是否只有一个Panel
  const panelChildren = $slots.default ? $slots.default() : []
  const isSinglePanel = panelChildren.length === 1
  
  if (isSinglePanel) {
    // 如果只有一个Panel，则切换Area的最大化状态
    onToggleMaximize()
  }
}

// 处理拖拽悬停事件
const handleDragOver = (event) => {
  emit('dragover', event, props.id)
}

// 处理拖拽离开事件
const handleDragLeave = (event) => {
  emit('dragleave', event, props.id)
}

// 拖拽开始
const onDragStart = (e) => {
  // 最大化状态下不允许拖拽
  if (isMaximized.value) return
  
  isDragging.value = true
  dragStartPos.value = {
    x: e.clientX,
    y: e.clientY
  }
  areaStartPos.value = {
    x: originalPosition.value.left || 0,
    y: originalPosition.value.top || 0
  }
  
  // 添加全局事件监听
  document.addEventListener('mousemove', onDragMove)
  document.addEventListener('mouseup', onDragEnd)
  
  // 防止文本选择
  e.preventDefault()
}

// 拖拽移动
const onDragMove = (e) => {
  if (!isDragging.value) return
  
  // 计算移动距离
  const deltaX = e.clientX - dragStartPos.value.x
  const deltaY = e.clientY - dragStartPos.value.y
  
  // 计算新位置
  let newLeft = areaStartPos.value.x + deltaX
  let newTop = areaStartPos.value.y + deltaY
  
  // 确保不超出父容器边界
  if (parentContainer.value) {
    const parentRect = parentContainer.value.getBoundingClientRect()
    const areaWidth = originalPosition.value.width
    const areaHeight = originalPosition.value.height
    
    // 严格边界检查，确保元素完全在父容器内
    newLeft = Math.max(0, Math.min(newLeft, parentRect.width - areaWidth))
    newTop = Math.max(0, Math.min(newTop, parentRect.height - areaHeight))
  }
  
  // 更新位置
  originalPosition.value.left = newLeft
  originalPosition.value.top = newTop
  
  // 通知父组件位置变化
  emit('update:position', { left: newLeft, top: newTop })
}

// 拖拽结束
const onDragEnd = () => {
  isDragging.value = false
  // 移除全局事件监听
  document.removeEventListener('mousemove', onDragMove)
  document.removeEventListener('mouseup', onDragEnd)
}

// 调整大小开始
const onResizeStart = (direction, e) => {
  if (isMaximized.value) return
  
  isResizing.value = true
  resizeDirection.value = direction
  resizeStartPos.value = {
    x: e.clientX,
    y: e.clientY
  }
  resizeStartSize.value = {
    width: originalPosition.value.width,
    height: originalPosition.value.height
  }
  resizeStartAreaPos.value = {
    left: originalPosition.value.left,
    top: originalPosition.value.top
  }
  
  // 添加全局事件监听
  document.addEventListener('mousemove', onResizeMove)
  document.addEventListener('mouseup', onResizeEnd)
  document.addEventListener('mouseleave', onResizeEnd)
  
  // 防止文本选择
  e.preventDefault()
  e.stopPropagation()
}

// 调整大小移动
  const onResizeMove = (e) => {
    if (!isResizing.value) return
    
    const deltaX = e.clientX - resizeStartPos.value.x
    const deltaY = e.clientY - resizeStartPos.value.y
    
    let newWidth = resizeStartSize.value.width
    let newHeight = resizeStartSize.value.height
    let newLeft = resizeStartAreaPos.value.left
    let newTop = resizeStartAreaPos.value.top
    
    // 根据方向调整大小
    switch (resizeDirection.value) {
      case 'nw':
        newWidth = Math.max(200, resizeStartSize.value.width - deltaX)
        newHeight = Math.max(150, resizeStartSize.value.height - deltaY)
        newLeft = resizeStartAreaPos.value.left + deltaX
        newTop = resizeStartAreaPos.value.top + deltaY
        break
      case 'ne':
        newWidth = Math.max(200, resizeStartSize.value.width + deltaX)
        newHeight = Math.max(150, resizeStartSize.value.height - deltaY)
        newTop = resizeStartAreaPos.value.top + deltaY
        break
      case 'sw':
        newWidth = Math.max(200, resizeStartSize.value.width - deltaX)
        newHeight = Math.max(150, resizeStartSize.value.height + deltaY)
        newLeft = resizeStartAreaPos.value.left + deltaX
        break
      case 'se':
        newWidth = Math.max(200, resizeStartSize.value.width + deltaX)
        newHeight = Math.max(150, resizeStartSize.value.height + deltaY)
        break
    case 'n':
      // 拖动上边框时，Area向上边扩展
      newHeight = Math.max(150, resizeStartSize.value.height - deltaY)
      // 当deltaY为负时，鼠标向上移动，增加高度并向上移动位置
      newTop = resizeStartAreaPos.value.top + deltaY
      break
    case 'e':
      newWidth = Math.max(200, resizeStartSize.value.width + deltaX)
      break
    case 's':
      newHeight = Math.max(150, resizeStartSize.value.height + deltaY)
      break
    case 'w':
      // 拖动左边框时，Area向左边扩展
      newWidth = Math.max(200, resizeStartSize.value.width - deltaX)
      // 当deltaX为负时，鼠标向左移动，增加宽度并向左移动位置
      newLeft = resizeStartAreaPos.value.left + deltaX
      break
  }
  
  // 确保不超出父容器边界
  if (parentContainer.value) {
    const parentRect = parentContainer.value.getBoundingClientRect()
    
    // 右边界检查
    if (newLeft + newWidth > parentRect.width) {
      newWidth = parentRect.width - newLeft
    }
    // 下边界检查
    if (newTop + newHeight > parentRect.height) {
      newHeight = parentRect.height - newTop
    }
    // 左边界检查
    if (newLeft < 0) {
      newWidth += newLeft
      newLeft = 0
    }
    // 上边界检查
    if (newTop < 0) {
      newHeight += newTop
      newTop = 0
    }
  }
  
  // 更新位置和大小
  originalPosition.value.width = newWidth
  originalPosition.value.height = newHeight
  originalPosition.value.left = newLeft
  originalPosition.value.top = newTop
  
  // 通知父组件位置变化
  emit('update:position', {
    left: newLeft,
    top: newTop
  })
  
  // 防止文本选择
  e.preventDefault()
}

// 调整大小结束
const onResizeEnd = () => {
  isResizing.value = false
  resizeDirection.value = null
  // 移除全局事件监听
  document.removeEventListener('mousemove', onResizeMove)
  document.removeEventListener('mouseup', onResizeEnd)
  document.removeEventListener('mouseleave', onResizeEnd)
}

const onToggleMaximize = () => {
  const next = isMaximized.value ? '正常' : '最大化'
  
  if (!isMaximized.value) {
    // 切换到最大化状态前，保存当前位置和大小
    maximizedFromPosition.value = {
      width: originalPosition.value.width,
      height: originalPosition.value.height,
      left: originalPosition.value.left,
      top: originalPosition.value.top
    }
  } else if (maximizedFromPosition.value) {
    // 从最大化状态还原时，恢复到保存的位置和大小
    originalPosition.value = { ...maximizedFromPosition.value }
    // 通知父组件位置变化
    emit('update:position', {
      left: originalPosition.value.left,
      top: originalPosition.value.top
    })
  }
  
  localState.value = next
  emit('update:WindowState', next)
}

const onClose = () => emit('close')

// 组件挂载后获取父容器引用并初始化位置
onMounted(() => {
  parentContainer.value = document.querySelector('.dock-layout') || window
  
  // 如果没有指定left或top，自动居中定位
  if (originalPosition.value.left === undefined || originalPosition.value.top === undefined) {
    let parentWidth, parentHeight
    
    if (parentContainer.value === window) {
      parentWidth = window.innerWidth
      parentHeight = window.innerHeight
    } else if (parentContainer.value) {
      const parentRect = parentContainer.value.getBoundingClientRect()
      parentWidth = parentRect.width
      parentHeight = parentRect.height
    } else {
      // 默认值，防止出错
      parentWidth = 800
      parentHeight = 600
    }
    
    const areaWidth = originalPosition.value.width || 300
    const areaHeight = originalPosition.value.height || 250
    
    // 计算居中位置
    originalPosition.value.left = Math.floor((parentWidth - areaWidth) / 2)
    originalPosition.value.top = Math.floor((parentHeight - areaHeight) / 2)
    
    // 通知父组件位置变化
    emit('update:position', {
      left: originalPosition.value.left,
      top: originalPosition.value.top
    })
  }
})
</script>

<style scoped>
:root { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }

/* 颜色（贴近 VS 蓝色主题） */
.vs-area {
  --vs-blue-top: #4f72b3;
  --vs-blue-bottom: #3c5a99;
  --vs-blue-deep: #2c3e7a;
  --vs-tab-blue: #4869a8;
  --vs-border: #c7d2ea;
  --vs-bg: #f5f7fb;
  --vs-panel: #ffffff;
  --vs-muted: #6b7aa9;
  --vs-accent: #f0a000;
}

/* 容器 */
.vs-area-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  position: relative;
}

.vs-area {
  display: flex;
  flex-direction: column;
  background: var(--vs-bg);
  border: 1px solid var(--vs-border);
  min-width: 300px;
  min-height: 250px;
}

/* 正常状态样式 */
.vs-area.is-normal {
  position: absolute;
  z-index: 10;
}

/* 最大化状态样式 */
.vs-area.is-maximized {
  width: 100% !important; 
  height: 100% !important; 
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  z-index: 100 !important;
  margin: 0;
  padding: 0;
}

/* 标题栏 */
.vs-title-bar {
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  color: #ffffff;
  background: linear-gradient(to bottom, var(--vs-blue-top), var(--vs-blue-bottom));
  border-bottom: 1px solid var(--vs-blue-deep);
}
.vs-title-left { display: flex; align-items: center; gap: 6px; }
.vs-app-icon { font-size: 12px; opacity: 0.9; }
.vs-title-text { font-size: 13px; }
.vs-title-right { display: flex; align-items: center; gap: 6px; }
.vs-btn {
  width: 22px; height: 18px; line-height: 18px;
  color: #ffffff; background: transparent; border: none; padding: 0; cursor: default;
}
.vs-btn:hover { background: rgba(255,255,255,0.12); }
.vs-close:hover { background: #e81123; }

/* 面板标题行（左右） */
.vs-pane-headers {
  display: flex; align-items: center;
  height: 26px; background: var(--vs-tab-blue);
  border-bottom: 1px solid var(--vs-blue-deep);
  color: #eaf1ff;
  padding: 0 6px;
}
.vs-pane-header {
  display: flex; align-items: center; gap: 8px;
  height: 100%; padding: 0 10px;
}
.vs-pane-sep {
  width: 1px; height: 18px; background: rgba(255,255,255,0.3);
  margin: 0 8px;
}
.hdr-text { font-size: 12px; }
.hdr-icon { font-size: 10px; opacity: 0.9; }
.hdr-close { font-size: 12px; opacity: 0.9; }
.hdr-close:hover { opacity: 1; }

/* 内容区域 */
.vs-content { 
  display: flex; 
  flex: 1; 
  overflow: visible; 
  background-color: #ffffff; 
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
}

/* 调整大小的手柄样式 */
.resize-handle {
  position: absolute;
  z-index: 20;
  background: transparent;
  pointer-events: auto;
}

/* 四个角 */
.resize-handle-nw {
  width: 12px;
  height: 12px;
  top: -6px;
  left: -6px;
  cursor: nwse-resize;
}

.resize-handle-ne {
  width: 12px;
  height: 12px;
  top: -6px;
  right: -6px;
  cursor: nesw-resize;
}

.resize-handle-sw {
  width: 12px;
  height: 12px;
  bottom: -6px;
  left: -6px;
  cursor: nesw-resize;
}

.resize-handle-se {
  width: 12px;
  height: 12px;
  bottom: -6px;
  right: -6px;
  cursor: nwse-resize;
}

/* 四条边 */
.resize-handle-n {
  height: 12px;
  top: -6px;
  left: 12px;
  right: 12px;
  cursor: ns-resize;
}

.resize-handle-e {
  width: 12px;
  right: -6px;
  top: 12px;
  bottom: 12px;
  cursor: ew-resize;
}

.resize-handle-s {
  height: 12px;
  bottom: -6px;
  left: 12px;
  right: 12px;
  cursor: ns-resize;
}

.resize-handle-w {
  width: 12px;
  left: -6px;
  top: 12px;
  bottom: 12px;
  cursor: ew-resize;
}

/* 鼠标悬停在边框上时的样式提示 */
.vs-area.is-normal:not(:hover) .resize-handle {
  opacity: 0;
}

.vs-area.is-normal:hover .resize-handle {
  opacity: 0.5;
}

/* 左侧输出 */
.vs-left { flex: 1; background: var(--vs-panel); display: flex; }
.left-blank { flex: 1; background: #eef1f9; border-right: 1px solid var(--vs-border); }

/* 中间分割线 */
.vs-divider { width: 1px; background: var(--vs-border); }

/* 右侧 Git 更改 */
.vs-right { flex: 1; background: #f5f7fb; padding: 0; }
.sec-text { margin-bottom: 8px; }
.vs-card {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--vs-border);
  padding: 6px 8px; border-radius: 2px; margin-bottom: 10px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}
.card-icon { color: var(--vs-accent); }
.card-text { color: #000; }
.hint-text { color: #666; }

/* 滚动条（接近 VS） */
:deep(::-webkit-scrollbar) { width: 12px; height: 12px; }
:deep(::-webkit-scrollbar-track) { background: var(--vs-bg); border-left: 1px solid var(--vs-border); }
:deep(::-webkit-scrollbar-thumb) {
  background: linear-gradient(to bottom, #d0d6ea, #c0c7e0);
  border: 1px solid #b0b6d6; border-radius: 6px;
}
:deep(::-webkit-scrollbar-thumb:hover) { background: linear-gradient(to bottom, #c1c7e2, #b2b8d9); }

:deep(*) { box-sizing: border-box; }
.vs-area.is-maximized {
  width: 100%; 
  height: 100%; 
  position: absolute;
  top: 0;
  left: 0;
  z-index: 100;
}
.vs-icon-stage { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: transparent; overflow: auto; }
.vs-app-icon--x200 { width: 2800px; height: 2800px; }
.vs-app-icon { width: 14px; height: 14px; display: inline-block; background: transparent; opacity: 0.95; }
.vs-icon { width: 100%; height: 100%; shape-rendering: crispEdges; }
.vs-app-icon svg { display: block; }

/* 外层包裹，确保最大化时填充父容器，非最大化时居中 */
.vs-area-wrapper { 
  width: 100%; 
  height: 100%; 
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 最大化状态时，wrapper不居中 */
.vs-area-wrapper.is-maximized {
  align-items: stretch;
  justify-content: stretch;
}
</style>