From d3fc3be040a4fed2328e23ef28696dd8bd8238b4 Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Wed, 4 Mar 2020 15:08:09 +0000
Subject: Add latest changes from gitlab-org/gitlab@master

---
 .../dropdown_contents_labels_view.vue              | 178 +++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 app/assets/javascripts/vue_shared/components/sidebar/labels_select_vue/dropdown_contents_labels_view.vue

(limited to 'app/assets/javascripts/vue_shared/components/sidebar/labels_select_vue/dropdown_contents_labels_view.vue')

diff --git a/app/assets/javascripts/vue_shared/components/sidebar/labels_select_vue/dropdown_contents_labels_view.vue b/app/assets/javascripts/vue_shared/components/sidebar/labels_select_vue/dropdown_contents_labels_view.vue
new file mode 100644
index 00000000000..7ec420fa908
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/sidebar/labels_select_vue/dropdown_contents_labels_view.vue
@@ -0,0 +1,178 @@
+<script>
+import { mapState, mapGetters, mapActions } from 'vuex';
+import { GlLoadingIcon, GlButton, GlIcon, GlSearchBoxByType, GlLink } from '@gitlab/ui';
+
+import { UP_KEY_CODE, DOWN_KEY_CODE, ENTER_KEY_CODE, ESC_KEY_CODE } from '~/lib/utils/keycodes';
+
+export default {
+  components: {
+    GlLoadingIcon,
+    GlButton,
+    GlIcon,
+    GlSearchBoxByType,
+    GlLink,
+  },
+  data() {
+    return {
+      searchKey: '',
+      currentHighlightItem: -1,
+    };
+  },
+  computed: {
+    ...mapState([
+      'labelsManagePath',
+      'labels',
+      'labelsFetchInProgress',
+      'labelsListTitle',
+      'footerCreateLabelTitle',
+      'footerManageLabelTitle',
+    ]),
+    ...mapGetters(['selectedLabelsList']),
+    visibleLabels() {
+      if (this.searchKey) {
+        return this.labels.filter(label =>
+          label.title.toLowerCase().includes(this.searchKey.toLowerCase()),
+        );
+      }
+      return this.labels;
+    },
+  },
+  watch: {
+    searchKey(value) {
+      // When there is search string present
+      // and there are matching results,
+      // highlight first item by default.
+      if (value && this.visibleLabels.length) {
+        this.currentHighlightItem = 0;
+      }
+    },
+  },
+  mounted() {
+    this.fetchLabels();
+  },
+  methods: {
+    ...mapActions([
+      'toggleDropdownContents',
+      'toggleDropdownContentsCreateView',
+      'fetchLabels',
+      'updateSelectedLabels',
+    ]),
+    getDropdownLabelBoxStyle(label) {
+      return {
+        backgroundColor: label.color,
+      };
+    },
+    isLabelSelected(label) {
+      return this.selectedLabelsList.includes(label.id);
+    },
+    /**
+     * This method scrolls item from dropdown into
+     * the view if it is off the viewable area of the
+     * container.
+     */
+    scrollIntoViewIfNeeded() {
+      const highlightedLabel = this.$refs.labelsListContainer.querySelector('.is-focused');
+
+      if (highlightedLabel) {
+        const rect = highlightedLabel.getBoundingClientRect();
+        if (rect.bottom > this.$refs.labelsListContainer.clientHeight) {
+          highlightedLabel.scrollIntoView(false);
+        }
+        if (rect.top < 0) {
+          highlightedLabel.scrollIntoView();
+        }
+      }
+    },
+    /**
+     * This method enables keyboard navigation support for
+     * the dropdown.
+     */
+    handleKeyDown(e) {
+      if (e.keyCode === UP_KEY_CODE && this.currentHighlightItem > 0) {
+        this.currentHighlightItem -= 1;
+      } else if (
+        e.keyCode === DOWN_KEY_CODE &&
+        this.currentHighlightItem < this.visibleLabels.length - 1
+      ) {
+        this.currentHighlightItem += 1;
+      } else if (e.keyCode === ENTER_KEY_CODE && this.currentHighlightItem > -1) {
+        this.updateSelectedLabels([this.visibleLabels[this.currentHighlightItem]]);
+      } else if (e.keyCode === ESC_KEY_CODE) {
+        this.toggleDropdownContents();
+      }
+
+      if (e.keyCode !== ESC_KEY_CODE) {
+        // Scroll the list only after highlighting
+        // styles are rendered completely.
+        this.$nextTick(() => {
+          this.scrollIntoViewIfNeeded();
+        });
+      }
+    },
+    handleLabelClick(label) {
+      this.updateSelectedLabels([label]);
+    },
+  },
+};
+</script>
+
+<template>
+  <div class="labels-select-contents-list" @keydown="handleKeyDown">
+    <gl-loading-icon
+      v-if="labelsFetchInProgress"
+      class="labels-fetch-loading position-absolute d-flex align-items-center w-100 h-100"
+      size="md"
+    />
+    <div class="dropdown-title d-flex align-items-center pt-0 pb-2">
+      <span class="flex-grow-1">{{ labelsListTitle }}</span>
+      <gl-button
+        :aria-label="__('Close')"
+        variant="link"
+        size="sm"
+        class="dropdown-header-button p-0"
+        @click="toggleDropdownContents"
+      >
+        <gl-icon name="close" />
+      </gl-button>
+    </div>
+    <div class="dropdown-input">
+      <gl-search-box-by-type v-model="searchKey" :autofocus="true" />
+    </div>
+    <div v-if="!labelsFetchInProgress" ref="labelsListContainer" class="dropdown-content">
+      <ul class="list-unstyled mb-0">
+        <li v-for="(label, index) in visibleLabels" :key="label.id" class="d-block text-left">
+          <gl-link
+            class="d-flex align-items-baseline text-break-word label-item"
+            :class="{ 'is-focused': index === currentHighlightItem }"
+            @click="handleLabelClick(label)"
+          >
+            <gl-icon v-show="label.set" name="mobile-issue-close" class="mr-2 align-self-center" />
+            <span v-show="!label.set" class="mr-3 pr-2"></span>
+            <span class="dropdown-label-box" :style="getDropdownLabelBoxStyle(label)"></span>
+            <span>{{ label.title }}</span>
+          </gl-link>
+        </li>
+        <li v-if="!visibleLabels.length" class="p-2 text-center">
+          {{ __('No matching results') }}
+        </li>
+      </ul>
+    </div>
+    <div class="dropdown-footer">
+      <ul class="list-unstyled">
+        <li>
+          <gl-button
+            variant="link"
+            class="d-flex w-100 flex-row text-break-word label-item"
+            @click="toggleDropdownContentsCreateView"
+            >{{ footerCreateLabelTitle }}</gl-button
+          >
+        </li>
+        <li>
+          <gl-link :href="labelsManagePath" class="d-flex flex-row text-break-word label-item">
+            {{ footerManageLabelTitle }}
+          </gl-link>
+        </li>
+      </ul>
+    </div>
+  </div>
+</template>
-- 
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