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diff_note_avatars.js 4.6 KB
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/* global CommentsStore */
/* global notes */

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import Vue from 'vue';
import collapseIcon from '../icons/collapse_icon.svg';

(() => {
  const DiffNoteAvatars = Vue.extend({
    props: ['discussionId'],
    data() {
      return {
        isVisible: false,
        lineType: '',
        storeState: CommentsStore.state,
        shownAvatars: 3,
        collapseIcon,
      };
    },
    template: `
      <div class="diff-comment-avatar-holders"
        v-show="notesCount !== 0">
        <div v-if="!isVisible">
          <img v-for="note in notesSubset"
            class="avatar diff-comment-avatar has-tooltip js-diff-comment-avatar"
            width="19"
            height="19"
            role="button"
            data-container="body"
            data-placement="top"
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            data-html="true"
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            :data-line-type="lineType"
            :title="note.authorName + ': ' + note.noteTruncated"
            :src="note.authorAvatar"
            @click="clickedAvatar($event)" />
          <span v-if="notesCount > shownAvatars"
            class="diff-comments-more-count has-tooltip js-diff-comment-avatar"
            data-container="body"
            data-placement="top"
            ref="extraComments"
            role="button"
            :data-line-type="lineType"
            :title="extraNotesTitle"
            @click="clickedAvatar($event)">{{ moreText }}</span>
        </div>
        <button class="diff-notes-collapse js-diff-comment-avatar"
          type="button"
          aria-label="Show comments"
          :data-line-type="lineType"
          @click="clickedAvatar($event)"
          v-if="isVisible"
          v-html="collapseIcon">
        </button>
      </div>
    `,
    mounted() {
      this.$nextTick(() => {
        this.addNoCommentClass();
        this.setDiscussionVisible();

        this.lineType = $(this.$el).closest('.diff-line-num').hasClass('old_line') ? 'old' : 'new';
      });

      $(document).on('toggle.comments', () => {
        this.$nextTick(() => {
          this.setDiscussionVisible();
        });
      });
    },
    destroyed() {
      $(document).off('toggle.comments');
    },
    watch: {
      storeState: {
        handler() {
          this.$nextTick(() => {
            $('.has-tooltip', this.$el).tooltip('fixTitle');

            // We need to add/remove a class to an element that is outside the Vue instance
            this.addNoCommentClass();
          });
        },
        deep: true,
      },
    },
    computed: {
      notesSubset() {
        let notes = [];

        if (this.discussion) {
          notes = Object.keys(this.discussion.notes)
            .slice(0, this.shownAvatars)
            .map(noteId => this.discussion.notes[noteId]);
        }

        return notes;
      },
      extraNotesTitle() {
        if (this.discussion) {
          const extra = this.discussion.notesCount() - this.shownAvatars;

          return `${extra} more comment${extra > 1 ? 's' : ''}`;
        }

        return '';
      },
      discussion() {
        return this.storeState[this.discussionId];
      },
      notesCount() {
        if (this.discussion) {
          return this.discussion.notesCount();
        }

        return 0;
      },
      moreText() {
        const plusSign = this.notesCount < 100 ? '+' : '';

        return `${plusSign}${this.notesCount - this.shownAvatars}`;
      },
    },
    methods: {
      clickedAvatar(e) {
        notes.addDiffNote(e);

        // Toggle the active state of the toggle all button
        this.toggleDiscussionsToggleState();

        this.$nextTick(() => {
          this.setDiscussionVisible();

          $('.has-tooltip', this.$el).tooltip('fixTitle');
          $('.has-tooltip', this.$el).tooltip('hide');
        });
      },
      addNoCommentClass() {
        const notesCount = this.notesCount;

        $(this.$el).closest('.js-avatar-container')
          .toggleClass('js-no-comment-btn', notesCount > 0)
          .nextUntil('.js-avatar-container')
          .toggleClass('js-no-comment-btn', notesCount > 0);
      },
      toggleDiscussionsToggleState() {
        const $notesHolders = $(this.$el).closest('.code').find('.notes_holder');
        const $visibleNotesHolders = $notesHolders.filter(':visible');
        const $toggleDiffCommentsBtn = $(this.$el).closest('.diff-file').find('.js-toggle-diff-comments');

        $toggleDiffCommentsBtn.toggleClass('active', $notesHolders.length === $visibleNotesHolders.length);
      },
      setDiscussionVisible() {
        this.isVisible = $(`.diffs .notes[data-discussion-id="${this.discussion.id}"]`).is(':visible');
      },
    },
  });

  Vue.component('diff-note-avatars', DiffNoteAvatars);
})();