emoji component (wip)

client/src/assets/styles/main.scss

@@ -12,6 +12,7 @@
 @import "vendor/swal";
 @import "vendor/tooltip";
 @import "vendor/github";
+@import "vendor/emoji_20";
 
 html, body {
   -webkit-font-smoothing: subpixel-antialiased;
@@ -23,4 +24,4 @@ html, body {
   width: 100vw;
   height: 100vh;
   min-width: 320px;
-}
+}

client/src/components/chat.vue

@@ -36,7 +36,7 @@
       <div class="accent" />
       <div class="text-container">
         <textarea ref="chat" placeholder="Send a message" @keydown="onKeyDown" v-model="content" />
-        <div class="emoji"></div>
+        <div class="emoji"><neko-emoji /></div>
       </div>
     </div>
   </div>
@@ -272,6 +272,7 @@
           height: 20px;
           // background: #fff;
           margin: 3px 3px 0 0;
+          position: relative;
         }
 
         textarea {
@@ -322,6 +323,7 @@
 
   import Markdown from './markdown'
   import Content from './context.vue'
+  import Emoji from './emoji.vue'
 
   const length = 512 // max length of message
 
@@ -330,6 +332,7 @@
     components: {
       'neko-markdown': Markdown,
       'neko-context': Content,
+      'neko-emoji': Emoji,
     },
   })
   export default class extends Vue {

client/src/components/emoji.vue

@@ -0,0 +1,271 @@
+<template>
+  <div class="neko-emoji">
+    <div class="search">
+      <input type="text" ref="search" v-model="search" />
+    </div>
+    <div class="list" ref="scroll" @scroll="onScroll">
+      <ul :class="[search === '' ? 'group-list' : 'emoji-list']">
+        <template v-if="search === ''">
+          <li v-for="(group, index) in groups" :key="index" class="group" ref="groups">
+            <span class="label">{{ group.name }}</span>
+            <ul class="emoji-list">
+              <li
+                v-for="emoji in group.list"
+                :key="`${group.id}-${emoji}`"
+                :class="['emoji', hovered === emoji ? 'active' : '']"
+              >
+                <span
+                  :class="['emoji-20', `e-${emoji}`]"
+                  @mouseenter.stop.prevent="onMouseEnter($event, emoji)"
+                  @click.stop.prevent="onClick($event, emoji)"
+                ></span>
+              </li>
+            </ul>
+          </li>
+        </template>
+        <template v-else>
+          <li v-for="emoji in filtered" :key="emoji" :class="['emoji', hovered === emoji ? 'active' : '']">
+            <span
+              :class="['emoji-20', `e-${emoji}`]"
+              @mouseenter.stop.prevent="onMouseEnter($event, emoji)"
+              @click.stop.prevent="onClick($event, emoji)"
+            ></span>
+          </li>
+        </template>
+      </ul>
+    </div>
+    <div class="details">
+      <template v-if="hovered !== ''">
+        <span :class="['icon', 'emoji-20', `e-${hovered}`]"></span><span class="emoji">:{{ hovered }}:</span>
+      </template>
+    </div>
+    <div class="groups">
+      <ul>
+        <li
+          v-for="(group, index) in groups"
+          :key="index"
+          :class="[group.id, active === group.id && search === '' ? 'active' : '']"
+          @click.stop.prevent="scrollTo($event, index)"
+        >
+          <i class="fas fa-angry"></i>
+        </li>
+      </ul>
+    </div>
+  </div>
+</template>
+
+<style lang="scss" scoped>
+  $emoji-width: 350px;
+
+  .neko-emoji {
+    position: absolute;
+    width: $emoji-width;
+    height: 200px;
+    background: $background-secondary;
+    bottom: 30px;
+    right: 0;
+    display: flex;
+    flex-direction: column;
+    border-radius: 5px;
+    overflow: hidden;
+
+    .search {
+      flex-shrink: 0;
+      height: 38px;
+      border-bottom: 1px solid $background-tertiary;
+
+      input {
+      }
+    }
+
+    .list {
+      position: relative;
+      flex-grow: 1;
+      overflow-y: scroll;
+      overflow-x: hidden;
+      scrollbar-width: thin;
+      scrollbar-color: $background-tertiary transparent;
+      scroll-behavior: smooth;
+      padding: 5px;
+
+      &::-webkit-scrollbar {
+        width: 4px;
+      }
+
+      &::-webkit-scrollbar-track {
+        background-color: transparent;
+      }
+
+      &::-webkit-scrollbar-thumb {
+        background-color: $background-tertiary;
+        border-radius: 4px;
+      }
+
+      &::-webkit-scrollbar-thumb:hover {
+        background-color: $background-floating;
+      }
+
+      .group-list {
+        width: $emoji-width;
+        display: flex;
+        flex-direction: column;
+
+        li {
+          &.group {
+            .label {
+              z-index: 2;
+              text-transform: uppercase;
+              font-weight: 500;
+              font-size: 12px;
+              position: sticky;
+              top: 0;
+            }
+
+            .emoji-list {
+              margin: 10px 0;
+            }
+          }
+        }
+      }
+
+      .emoji-list {
+        display: flex;
+        flex-direction: row;
+        flex-wrap: wrap;
+        li {
+          &.emoji {
+            padding: 2px;
+            border-radius: 3px;
+
+            &.active {
+              background-color: #fff;
+            }
+          }
+        }
+      }
+    }
+
+    .details {
+      flex-shrink: 0;
+      height: 36px;
+      background: $background-tertiary;
+
+      span {
+        &.icon {
+        }
+
+        &.emoji {
+        }
+      }
+    }
+
+    .groups {
+      flex-shrink: 0;
+      height: 28px;
+      background: $background-floating;
+
+      ul {
+        display: flex;
+        flex-direction: row;
+        flex-wrap: wrap;
+
+        li {
+          flex-grow: 1;
+          height: 23px;
+
+          &.active {
+            border-bottom: 2px solid $style-primary;
+          }
+        }
+      }
+    }
+  }
+</style>
+
+<script lang="ts">
+  import { Component, Ref, Watch, Vue } from 'vue-property-decorator'
+
+  import { list } from './emoji/list'
+  import { keywords } from './emoji/keywords'
+  import { groups } from './emoji/groups'
+
+  @Component({
+    name: 'neko-emoji',
+  })
+  export default class extends Vue {
+    @Ref('scroll') readonly _scroll!: HTMLElement
+    @Ref('search') readonly _search!: HTMLInputElement
+    @Ref('groups') readonly _groups!: HTMLElement[]
+
+    waitingForPaint = false
+    search = ''
+    active = groups[0].id
+    hovered = ''
+
+    get groups() {
+      return groups
+    }
+
+    get filtered() {
+      const filtered = []
+      for (const emoji of list) {
+        if (
+          emoji.includes(this.search) || typeof keywords[emoji] !== 'undefined'
+            ? keywords[emoji].some(keyword => keyword.includes(this.search))
+            : false
+        ) {
+          filtered.push(emoji)
+        }
+      }
+      return filtered
+    }
+
+    scrollTo(event: MouseEvent, index: number) {
+      const ele = this._groups[index]
+      if (!ele) {
+        return
+      }
+
+      let top = ele.offsetTop
+      if (index == 0) {
+        top = 0
+      }
+      this._scroll.scrollTop = top
+    }
+
+    onScroll() {
+      if (!this.waitingForPaint) {
+        this.waitingForPaint = true
+        window.requestAnimationFrame(this.onScrollPaint.bind(this))
+      }
+    }
+
+    onScrollPaint() {
+      this.waitingForPaint = false
+      let scrollTop = this._scroll.scrollTop
+      let active = this.groups[0]
+      for (let i = 0, l = this.groups.length; i < l; i++) {
+        let group = this.groups[i]
+        let component = this._groups[i]
+        if (component && component.offsetTop > scrollTop) {
+          break
+        }
+        active = group
+      }
+      this.active = active.id
+    }
+
+    onMouseExit(event: MouseEvent, emoji: string) {
+      this.hovered = ''
+    }
+
+    onMouseEnter(event: MouseEvent, emoji: string) {
+      this.hovered = emoji
+      this._search.placeholder = `:${emoji}:`
+    }
+
+    onClick(event: MouseEvent, emoji: string) {
+      this.$emit('done', emoji)
+    }
+  }
+</script>