1 files changed, 140 insertions, 0 deletions

diff --git a/doc/docs/.vuepress/theme/components/Navbar.vue b/doc/docs/.vuepress/theme/components/Navbar.vue
new file mode 100644
index 0000000..f8dd49c
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+++ b/doc/docs/.vuepress/theme/components/Navbar.vue
@@ -0,0 +1,140 @@
+<template>
+  <header class="navbar">
+    <SidebarButton @toggle-sidebar="$emit('toggle-sidebar')" />
+
+    <RouterLink
+      :to="$localePath"
+      class="home-link"
+    >
+      <img
+        v-if="$site.themeConfig.logo"
+        class="logo"
+        :src="$withBase($site.themeConfig.logo)"
+        :alt="$siteTitle"
+      >
+      <span
+        v-if="$siteTitle"
+        ref="siteName"
+        class="site-name"
+        :class="{ 'can-hide': $site.themeConfig.logo }"
+      >{{ $siteTitle }}</span>
+    </RouterLink>
+
+    <div
+      class="links"
+      :style="linksWrapMaxWidth ? {
+        'max-width': linksWrapMaxWidth + 'px'
+      } : {}"
+    >
+      <AlgoliaSearchBox
+        v-if="isAlgoliaSearch"
+        :options="algolia"
+      />
+      <SearchBox v-else-if="$site.themeConfig.search !== false && $page.frontmatter.search !== false" />
+      <NavLinks class="can-hide" />
+    </div>
+  </header>
+</template>
+
+<script>
+import AlgoliaSearchBox from '@AlgoliaSearchBox'
+import SearchBox from '@SearchBox'
+import SidebarButton from '@theme/components/SidebarButton.vue'
+import NavLinks from '@theme/components/NavLinks.vue'
+
+export default {
+  name: 'Navbar',
+
+  components: {
+    SidebarButton,
+    NavLinks,
+    SearchBox,
+    AlgoliaSearchBox
+  },
+
+  data () {
+    return {
+      linksWrapMaxWidth: null
+    }
+  },
+
+  computed: {
+    algolia () {
+      return this.$themeLocaleConfig.algolia || this.$site.themeConfig.algolia || {}
+    },
+
+    isAlgoliaSearch () {
+      return this.algolia && this.algolia.apiKey && this.algolia.indexName
+    }
+  },
+
+  mounted () {
+    const MOBILE_DESKTOP_BREAKPOINT = 719 // refer to config.styl
+    const NAVBAR_VERTICAL_PADDING = parseInt(css(this.$el, 'paddingLeft')) + parseInt(css(this.$el, 'paddingRight'))
+    const handleLinksWrapWidth = () => {
+      if (document.documentElement.clientWidth < MOBILE_DESKTOP_BREAKPOINT) {
+        this.linksWrapMaxWidth = null
+      } else {
+        this.linksWrapMaxWidth = this.$el.offsetWidth - NAVBAR_VERTICAL_PADDING
+          - (this.$refs.siteName && this.$refs.siteName.offsetWidth || 0)
+      }
+    }
+    handleLinksWrapWidth()
+    window.addEventListener('resize', handleLinksWrapWidth, false)
+  }
+}
+
+function css (el, property) {
+  // NOTE: Known bug, will return 'auto' if style value is 'auto'
+  const win = el.ownerDocument.defaultView
+  // null means not to return pseudo styles
+  return win.getComputedStyle(el, null)[property]
+}
+</script>
+
+<style lang="stylus">
+$navbar-vertical-padding = 0.7rem
+$navbar-horizontal-padding = 1.5rem
+
+.navbar
+  padding $navbar-vertical-padding $navbar-horizontal-padding
+  line-height $navbarHeight - 1.4rem
+  a, span, img
+    display inline-block
+  .logo
+    height $navbarHeight - 1.4rem
+    min-width $navbarHeight - 1.4rem
+    margin-right 0.8rem
+    vertical-align top
+  .site-name
+    font-size 1.3rem
+    font-weight 600
+    color $textColor
+    position relative
+  .links
+    padding-left 1.5rem
+    box-sizing border-box
+    background-color white
+    white-space nowrap
+    font-size 0.9rem
+    position absolute
+    right $navbar-horizontal-padding
+    top $navbar-vertical-padding
+    display flex
+    .search-box
+      flex: 0 0 auto
+      vertical-align top
+
+@media (max-width: $MQMobile)
+  .navbar
+    padding-left 4rem
+    .can-hide
+      display none
+    .links
+      padding-left 1.5rem
+    .site-name
+      width calc(100vw - 9.4rem)
+      overflow hidden
+      white-space nowrap
+      text-overflow ellipsis
+</style>