3 files changed, 320 insertions, 0 deletions
diff --git a/src/components/emoji_picker/emoji_picker.js b/src/components/emoji_picker/emoji_picker.js
new file mode 100644
index 00000000..0a64f759
--- /dev/null
+++ b/src/components/emoji_picker/emoji_picker.js
@@ -0,0 +1,103 @@
+
+const filterByKeyword = (list, keyword = '') => {
+  return list.filter(x => x.displayText.includes(keyword))
+}
+
+const EmojiPicker = {
+  props: {
+    stickerPicker: {
+      required: false,
+      type: Boolean,
+      default: false
+    }
+  },
+  data () {
+    return {
+      keyword: '',
+      activeGroup: 'custom',
+      showingStickers: false
+    }
+  },
+  components: {
+    StickerPicker: () => import('../sticker_picker/sticker_picker.vue')
+  },
+  methods: {
+    onEmoji (emoji) {
+      const value = emoji.imageUrl ? `:${emoji.displayText}:` : emoji.replacement
+      this.$emit('emoji', ` ${value} `)
+      this.open = false
+    },
+    highlight (key) {
+      const ref = this.$refs['group-' + key]
+      const top = ref[0].offsetTop
+      this.setShowStickers(false)
+      this.activeGroup = key
+      this.$nextTick(() => {
+        this.$refs['emoji-groups'].scrollTop = top + 1
+      })
+    },
+    scrolledGroup (e) {
+      const target = (e && e.target) || this.$refs['emoji-groups']
+      const top = target.scrollTop + 5
+      this.$nextTick(() => {
+        this.emojisView.forEach(group => {
+          const ref = this.$refs['group-' + group.id]
+          if (ref[0].offsetTop <= top) {
+            this.activeGroup = group.id
+          }
+        })
+      })
+    },
+    toggleStickers () {
+      this.showingStickers = !this.showingStickers
+    },
+    setShowStickers (value) {
+      this.showingStickers = value
+    },
+    onStickerUploaded (e) {
+      this.$emit('sticker-uploaded', e)
+    },
+    onStickerUploadFailed (e) {
+      this.$emit('sticker-upload-failed', e)
+    }
+  },
+  watch: {
+    keyword () {
+      this.scrolledGroup()
+    }
+  },
+  computed: {
+    activeGroupView () {
+      return this.showingStickers ? '' : this.activeGroup
+    },
+    stickersAvailable () {
+      if (this.$store.state.instance.stickers) {
+        return this.$store.state.instance.stickers.length > 0
+      }
+      return 0
+    },
+    emojis () {
+      const standardEmojis = this.$store.state.instance.emoji || []
+      const customEmojis = this.$store.state.instance.customEmoji || []
+      return [
+        {
+          id: 'custom',
+          text: this.$t('emoji.custom'),
+          icon: 'icon-smile',
+          emojis: filterByKeyword(customEmojis, this.keyword)
+        },
+        {
+          id: 'standard',
+          text: this.$t('emoji.unicode'),
+          icon: 'icon-picture',
+          emojis: filterByKeyword(standardEmojis, this.keyword)
+        }
+      ]
+    },
+    emojisView () {
+      return this.emojis.filter(value => value.emojis.length > 0)
+    }
+  }
+}
+
+export default EmojiPicker
diff --git a/src/components/emoji_picker/emoji_picker.scss b/src/components/emoji_picker/emoji_picker.scss
new file mode 100644
index 00000000..6c13e82b
--- /dev/null
+++ b/src/components/emoji_picker/emoji_picker.scss
@@ -0,0 +1,125 @@
+@import '../../_variables.scss';
+
+.emoji-picker {
+  display: flex;
+  flex-direction: column;
+  position: absolute;
+  right: 0;
+  left: 0;
+  height: 300px;
+  margin: 0 !important;
+  z-index: 1;
+
+  .panel-body {
+    display: flex;
+    flex-direction: column;
+    flex: 1 1 0;
+    min-height: 0px;
+  }
+
+  .additional-tabs {
+    border-left: 1px solid;
+    border-left-color: $fallback--icon;
+    border-left-color: var(--icon, $fallback--icon);
+    padding-left: 5px;
+    flex: 0 0 0;
+  }
+
+  .emoji-tabs {
+    flex: 1 1 0;
+  }
+
+  .additional-tabs,
+  .emoji-tabs {
+    &-item {
+      padding: 0 5px;
+      cursor: pointer;
+      font-size: 24px;
+
+      &.disabled {
+        opacity: 0.5;
+        pointer-events: none;
+      }
+      &.active {
+        border-bottom: 4px solid;
+
+        i {
+          color: $fallback--lightText;
+          color: var(--lightText, $fallback--lightText);
+        }
+      }
+    }
+  }
+
+  .sticker-picker {
+    flex: 1 1 0
+  }
+
+  .stickers,
+  .emoji {
+    &-content {
+      display: flex;
+      flex-direction: column;
+      flex: 1 1 0;
+      min-height: 0;
+
+      &.hidden {
+        display: none
+      }
+    }
+  }
+
+  .emoji {
+    &-search {
+      padding: 5px;
+      flex: 0 0 0;
+
+      input {
+        width: 100%;
+      }
+    }
+
+    &-groups {
+      flex: 1 1 1px;
+      position: relative;
+      overflow: auto;
+    }
+
+    &-group {
+      display: flex;
+      align-items: center;
+      flex-wrap: wrap;
+      padding-left: 5px;
+      justify-content: left;
+
+      &-title {
+        font-size: 12px;
+        width: 100%;
+        margin: 0;
+        &.disabled {
+          display: none;
+        }
+      }
+    }
+
+    &-item {
+      width: 32px;
+      height: 32px;
+      box-sizing: border-box;
+      display: flex;
+      font-size: 32px;
+      align-items: center;
+      justify-content: center;
+      margin: 4px;
+
+      cursor: pointer;
+
+      img {
+        max-width: 100%;
+        max-height: 100%;
+      }
+    }
+
+  }
+
+}
diff --git a/src/components/emoji_picker/emoji_picker.vue b/src/components/emoji_picker/emoji_picker.vue
new file mode 100644
index 00000000..12b1569e
--- /dev/null
+++ b/src/components/emoji_picker/emoji_picker.vue
@@ -0,0 +1,92 @@
+<template>
+  <div class="emoji-picker panel panel-default">
+    <div class="panel-heading">
+      <span class="emoji-tabs">
+        <span
+          v-for="group in emojis"
+          :key="group.id"
+          class="emoji-tabs-item"
+          :class="{
+            active: activeGroupView === group.id,
+            disabled: group.emojis.length === 0
+          }"
+          :title="group.text"
+          @click.prevent="highlight(group.id)"
+        >
+          <i :class="group.icon" />
+        </span>
+      </span>
+      <span
+        v-if="stickerPicker"
+        class="additional-tabs"
+      >
+        <span
+          class="stickers-tab-icon additional-tabs-item"
+          :class="{active: showingStickers}"
+          :title="$t('emoji.stickers')"
+          @click.prevent="toggleStickers"
+        >
+          <i class="icon-star" />
+        </span>
+      </span>
+    </div>
+    <div class="panel-body">
+      <div
+        class="emoji-content"
+        :class="{hidden: showingStickers}"
+      >
+        <div class="emoji-search">
+          <input
+            v-model="keyword"
+            type="text"
+            class="form-control"
+            :placeholder="$t('emoji.search_emoji')"
+          >
+        </div>
+        <div
+          ref="emoji-groups"
+          class="emoji-groups"
+          @scroll="scrolledGroup"
+        >
+          <div
+            v-for="group in emojisView"
+            :key="group.id"
+            class="emoji-group"
+          >
+            <h6
+              :ref="'group-' + group.id"
+              class="emoji-group-title"
+            >
+              {{ group.text }}
+            </h6>
+            <span
+              v-for="emoji in group.emojis"
+              :key="group.id + emoji.displayText"
+              :title="emoji.displayText"
+              class="emoji-item"
+              @click.stop.prevent="onEmoji(emoji)"
+            >
+              <span v-if="!emoji.imageUrl">{{ emoji.replacement }}</span>
+              <img
+                v-else
+                :src="emoji.imageUrl"
+              >
+            </span>
+          </div>
+        </div>
+      </div>
+      <div
+        v-if="showingStickers"
+        class="stickers-content"
+      >
+        <sticker-picker
+          @uploaded="onStickerUploaded"
+          @upload-failed="onStickerUploadFailed"
+        />
+      </div>
+    </div>
+  </div>
+</template>
+
+<script src="./emoji_picker.js"></script>
+<style lang="scss" src="./emoji_picker.scss"></style>