<template>
  <section class="app-main">
    <router-view v-slot="{ Component, route }">
      <transition name="fade-transform" mode="out-in">
        <keep-alive :include="tagsViewStore.cachedViews">
          <component v-if="!route.meta.link" :is="Component" :key="route.path"/>
        </keep-alive>
      </transition>
    </router-view>
    <iframe-toggle />
  </section>
</template>

<script setup>
import iframeToggle from "./IframeToggle/index"
import useTagsViewStore from '@/store/modules/tagsView'

const tagsViewStore = useTagsViewStore()

import { watch, nextTick } from 'vue'
import { useRoute } from 'vue-router'

const route = useRoute()

// 路由变化时自动滚动到顶部
watch(
    () => route.fullPath,
    () => {
      nextTick(() => {
        const el = document.querySelector('.app-main')
        if (el) {
          el.scrollTop = 0
        } else {
          window.scrollTo({ top: 0, behavior: 'auto' })
        }
      })
    }
)
</script>

<style lang="scss" scoped>
.app-main {
  /* 50= navbar  50  */
  //min-height: calc(100vh - 50px);
  width: 100%;
  position: relative;
  //overflow: hidden;
}

.fixed-header + .app-main {
  padding-top: 50px;
}

.hasTagsView {
  .app-main {
    /* 84 = navbar + tags-view = 50 + 34 */
    min-height: calc(100vh - 84px);
  }

  .fixed-header + .app-main {
    padding-top: 84px;
  }
}
</style>

<style lang="scss">
// fix css style bug in open el-dialog
.el-popup-parent--hidden {
  .fixed-header {
    padding-right: 6px;
  }
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background-color: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background-color: #c0c0c0;
  border-radius: 3px;
}
</style>

