chore: move files to frontend

frontend/src/components/prompts/FileList.vue

@@ -0,0 +1,140 @@
+<template>
+  <div>
+    <ul class="file-list">
+      <li @click="select"
+        @touchstart="touchstart"
+        @dblclick="next"
+        role="button"
+        tabindex="0"
+        :aria-label="item.name"
+        :aria-selected="selected == item.url"
+        :key="item.name" v-for="item in items"
+        :data-url="item.url">{{ item.name }}</li>
+    </ul>
+
+    <p>{{ $t('prompts.currentlyNavigating') }} <code>{{ nav }}</code>.</p>
+  </div>
+</template>
+
+<script>
+import { mapState } from 'vuex'
+import url from '@/utils/url'
+import { files } from '@/api'
+
+export default {
+  name: 'file-list',
+  data: function () {
+    return {
+      items: [],
+      touches: {
+        id: '',
+        count: 0
+      },
+      selected: null,
+      current: window.location.pathname
+    }
+  },
+  computed: {
+    ...mapState([ 'req' ]),
+    nav () {
+      return decodeURIComponent(this.current)
+    }
+  },
+  mounted () {
+    // If we're showing this on a listing,
+    // we can use the current request object
+    // to fill the move options.
+    if (this.req.kind === 'listing') {
+      this.fillOptions(this.req)
+      return
+    }
+
+    // Otherwise, we must be on a preview or editor
+    // so we fetch the data from the previous directory.
+    files.fetch(url.removeLastDir(this.$route.path))
+      .then(this.fillOptions)
+      .catch(this.$showError)
+  },
+  methods: {
+    fillOptions (req) {
+      // Sets the current path and resets
+      // the current items.
+      this.current = req.url
+      this.items = []
+
+      this.$emit('update:selected', this.current)
+
+      // If the path isn't the root path,
+      // show a button to navigate to the previous
+      // directory.
+      if (req.url !== '/files/') {
+        this.items.push({
+          name: '..',
+          url: url.removeLastDir(req.url) + '/'
+        })
+      }
+
+      // If this folder is empty, finish here.
+      if (req.items === null) return
+
+      // Otherwise we add every directory to the
+      // move options.
+      for (let item of req.items) {
+        if (!item.isDir) continue
+
+        this.items.push({
+          name: item.name,
+          url: item.url
+        })
+      }
+    },
+    next: function (event) {
+      // Retrieves the URL of the directory the user
+      // just clicked in and fill the options with its
+      // content.
+      let uri = event.currentTarget.dataset.url
+
+      files.fetch(uri)
+        .then(this.fillOptions)
+        .catch(this.$showError)
+    },
+    touchstart (event) {
+      let url = event.currentTarget.dataset.url
+
+      // In 300 milliseconds, we shall reset the count.
+      setTimeout(() => {
+        this.touches.count = 0
+      }, 300)
+
+      // If the element the user is touching
+      // is different from the last one he touched,
+      // reset the count.
+      if (this.touches.id !== url) {
+        this.touches.id = url
+        this.touches.count = 1
+        return
+      }
+
+      this.touches.count++
+
+      // If there is more than one touch already,
+      // open the next screen.
+      if (this.touches.count > 1) {
+        this.next(event)
+      }
+    },
+    select: function (event) {
+      // If the element is already selected, unselect it.
+      if (this.selected === event.currentTarget.dataset.url) {
+        this.selected = null
+        this.$emit('update:selected', this.current)
+        return
+      }
+
+      // Otherwise select the element.
+      this.selected = event.currentTarget.dataset.url
+      this.$emit('update:selected', this.selected)
+    }
+  }
+}
+</script>