dianshang-qianduan/src/views/components/TrainingTaskBrief.vue

<template>
  <section class="goal-bg training-task-brief">
    <div class="brief-toolbar">
      <div class="brief-tabs" role="tablist" aria-label="实训任务说明">
        <button
          class="brief-tab brief-tab--background"
          :class="{ 'is-active': activeTab === 'background' }"
          type="button"
          role="tab"
          :aria-selected="activeTab === 'background'"
          @click="activeTab = 'background'"
        >
          <span class="brief-tab-icon"><el-icon><Clock /></el-icon></span>
          <span>实训背景</span>
        </button>
        <button
          class="brief-tab brief-tab--goals"
          :class="{ 'is-active': activeTab === 'goals' }"
          type="button"
          role="tab"
          :aria-selected="activeTab === 'goals'"
          @click="activeTab = 'goals'"
        >
          <span class="brief-tab-icon"><el-icon><Aim /></el-icon></span>
          <span>实训目标</span>
        </button>
        <button
          class="brief-tab brief-tab--requirements"
          :class="{ 'is-active': activeTab === 'requirements' }"
          type="button"
          role="tab"
          :aria-selected="activeTab === 'requirements'"
          @click="activeTab = 'requirements'"
        >
          <span class="brief-tab-icon"><el-icon><DataAnalysis /></el-icon></span>
          <span>实训要求</span>
        </button>
      </div>
      <TrainingTaskToolbar
        class="brief-material"
        :material-name="materialName"
        :material-url="materialUrl"
      />
    </div>

    <article class="brief-panel" role="tabpanel">
      <div class="brief-panel-title">
        <span class="brief-panel-icon"><el-icon><Clock v-if="activeTab === 'background'" /><Aim v-else-if="activeTab === 'goals'" /><DataAnalysis v-else /></el-icon></span>
        <span>{{ activeTitle }}</span>
      </div>
      <div class="brief-scroll">
        <p v-if="activeTab === 'background'" class="brief-content">{{ displayBackground }}</p>
        <ul v-else-if="activeTab === 'goals' && displayGoals.length" class="brief-content brief-goals">
          <li v-for="goal in displayGoals" :key="goal">{{ goal }}</li>
        </ul>
        <p v-else-if="activeTab === 'goals'" class="brief-content">请根据教师端配置的实训目标完成本次实训。</p>
        <p v-else class="brief-content">{{ displayRequirements }}</p>
      </div>
    </article>
  </section>
</template>

<script setup>
import { Aim, Clock, DataAnalysis } from "@element-plus/icons-vue";
import TrainingTaskToolbar from "@/views/components/TrainingTaskToolbar.vue";

const activeTab = ref("background");

const props = defineProps({
  background: {
    type: String,
    default: "",
  },
  goals: {
    type: [Array, String],
    default: () => [],
  },
  requirements: {
    type: String,
    default: "",
  },
  materialName: {
    type: String,
    default: "",
  },
  materialUrl: {
    type: String,
    default: "",
  },
  showMaterial: {
    type: Boolean,
    default: true,
  },
});
const { materialName, materialUrl } = toRefs(props);

const displayBackground = computed(() => props.background || "请根据教师端配置的实训背景理解本次任务场景。");
const displayGoals = computed(() => normalizeGoals(props.goals));
const displayRequirements = computed(() => props.requirements || "请根据教师端配置的实训要求完成本次实训。");
const activeTitle = computed(() => {
  const titleMap = {
    background: "实训背景",
    goals: "实训目标",
    requirements: "实训要求",
  };
  return titleMap[activeTab.value];
});

function normalizeGoals(value) {
  if (Array.isArray(value)) {
    return value.map((item) => String(item || "").trim()).filter(Boolean);
  }
  if (!value) {
    return [];
  }
  try {
    const parsed = JSON.parse(value);
    if (Array.isArray(parsed)) {
      return parsed.map((item) => String(item || "").trim()).filter(Boolean);
    }
  } catch (error) {
    // Fall through to delimiter parsing.
  }
  return String(value)
    .split(/[；;|｜]/)
    .map((item) => item.trim())
    .filter(Boolean);
}
</script>

<style lang="scss" scoped>
.training-task-brief {
  /* 令牌继承宿主页面主题（教育蓝页传蓝，墨黑页/无令牌时回退墨黑） */
  --brief-accent: var(--student-accent, #1f2937);
  --brief-accent-deep: var(--student-accent-deep, #111827);
  --brief-accent-soft: var(--student-accent-soft, #f3f4f6);
  --brief-panel-border: var(--student-panel-border, #e5e7eb);
  --brief-text: var(--student-text, #1f2937);
  --brief-text-secondary: var(--student-text-secondary, #6b7280);

  margin-bottom: 10px;
  padding: 12px 16px;
  border: 1px solid var(--brief-panel-border);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: none;
}

.brief-toolbar {
  display: flex;
  align-items: stretch;
  gap: 10px;
  margin-bottom: 10px;
}

.brief-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
}

.brief-material {
  flex: 0 0 auto;
}

.brief-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--brief-panel-border);
  border-radius: 8px;
  color: var(--brief-text-secondary);
  background: var(--brief-accent-soft);
  cursor: pointer;
  font-size: var(--student-fs-body-sm);
  font-weight: 600;
  line-height: 1;
  transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;

  &:hover {
    border-color: var(--brief-accent);
    color: var(--brief-accent);
    background: #ffffff;
  }

  &.is-active {
    border-color: var(--brief-accent);
    color: #ffffff;
    background: var(--brief-accent);
    box-shadow: 0 2px 6px rgba(17, 24, 39, 0.18);
  }
}

.brief-tab-icon,
.brief-panel-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  line-height: 1;

  .el-icon {
    display: block;
    width: 16px;
    height: 16px;
    font-size: 18px;
    line-height: 1;
  }
}

.brief-tab .brief-tab-icon {
  color: inherit;
}

.brief-tab.is-active .brief-tab-icon {
  color: inherit;
}

.brief-panel {
  border: 1px solid var(--brief-panel-border);
  border-radius: 10px;
  background: var(--brief-accent-soft);
  overflow: hidden;
}

.brief-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-bottom: 1px solid var(--brief-panel-border);
  color: var(--brief-text);
  font-size: var(--student-fs-body);
  font-weight: 700;
  line-height: 1;
}

.brief-scroll {
  max-height: 160px;
  min-height: 100px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--brief-panel-border) var(--brief-accent-soft);
}

.brief-content {
  margin: 0;
  padding: 10px 16px 12px;
  color: var(--brief-text-secondary);
  font-size: var(--student-fs-body);
  line-height: 1.6;
}

.brief-goals {
  padding-left: 16px;
  list-style: none;

  li {
    padding: 4px 0 4px 12px;
    border-left: 2px solid var(--brief-panel-border);
    color: var(--brief-text-secondary);
    font-size: var(--student-fs-body);
    line-height: 1.55;
  }

  li + li {
    margin-top: 2px;
  }
}

.brief-scroll::-webkit-scrollbar {
  width: 6px;
}

.brief-scroll::-webkit-scrollbar-track {
  background: var(--brief-accent-soft);
}

.brief-scroll::-webkit-scrollbar-thumb {
  border-radius: 6px;
  background: var(--brief-panel-border);
}

@media (max-width: 768px) {
  .training-task-brief {
    padding: 12px;
  }

  .brief-tabs {
    gap: 8px;
  }

  .brief-toolbar {
    flex-direction: column;
  }

  .brief-tab {
    height: 34px;
    padding: 0 8px;
    font-size: var(--student-fs-caption);
  }

  .brief-scroll {
    max-height: 140px;
    min-height: 90px;
  }
}
</style>