rudeshark.net/src/web/app/common/views/components/autocomplete.vue

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<template>
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<div class="mk-autocomplete" @contextmenu.prevent="() => {}">
<ol class="users" ref="suggests" v-if="users.length > 0">
<li v-for="user in users" @click="complete(type, user)" @keydown="onKeydown" tabindex="-1">
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<img class="avatar" :src="`${user.avatar_url}?thumbnail&size=32`" alt=""/>
<span class="name">{{ user.name }}</span>
<span class="username">@{{ user.username }}</span>
</li>
</ol>
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<ol class="emojis" ref="suggests" v-if="emojis.length > 0">
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<li v-for="emoji in emojis" @click="complete(type, emoji.emoji)" @keydown="onKeydown" tabindex="-1">
<span class="emoji">{{ emoji.emoji }}</span>
<span class="name" v-html="emoji.name.replace(q, `<b>${q}</b>`)"></span>
<span class="alias" v-if="emoji.alias">({{ emoji.alias }})</span>
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</li>
</ol>
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</div>
</template>
<script lang="ts">
import Vue from 'vue';
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import * as emojilib from 'emojilib';
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import contains from '../../../common/scripts/contains';
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const lib = Object.entries(emojilib.lib).filter((x: any) => {
return x[1].category != 'flags';
});
const emjdb = lib.map((x: any) => ({
emoji: x[1].char,
name: x[0],
alias: null
}));
lib.forEach((x: any) => {
if (x[1].keywords) {
x[1].keywords.forEach(k => {
emjdb.push({
emoji: x[1].char,
name: k,
alias: x[0]
});
});
}
});
emjdb.sort((a, b) => a.name.length - b.name.length);
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export default Vue.extend({
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props: ['type', 'q', 'textarea', 'complete', 'close', 'x', 'y'],
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data() {
return {
fetching: true,
users: [],
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emojis: [],
select: -1,
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emojilib
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}
},
computed: {
items(): HTMLCollection {
return (this.$refs.suggests as Element).children;
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}
},
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updated() {
//#region 位置調整
const margin = 32;
if (this.x + this.$el.offsetWidth > window.innerWidth - margin) {
this.$el.style.left = (this.x - this.$el.offsetWidth) + 'px';
this.$el.style.marginLeft = '-16px';
} else {
this.$el.style.left = this.x + 'px';
this.$el.style.marginLeft = '0';
}
if (this.y + this.$el.offsetHeight > window.innerHeight - margin) {
this.$el.style.top = (this.y - this.$el.offsetHeight) + 'px';
this.$el.style.marginTop = '0';
} else {
this.$el.style.top = this.y + 'px';
this.$el.style.marginTop = 'calc(1em + 8px)';
}
//#endregion
},
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mounted() {
this.textarea.addEventListener('keydown', this.onKeydown);
Array.from(document.querySelectorAll('body *')).forEach(el => {
el.addEventListener('mousedown', this.onMousedown);
});
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this.$nextTick(() => {
this.exec();
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this.$watch('q', () => {
this.$nextTick(() => {
this.exec();
});
});
});
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},
beforeDestroy() {
this.textarea.removeEventListener('keydown', this.onKeydown);
Array.from(document.querySelectorAll('body *')).forEach(el => {
el.removeEventListener('mousedown', this.onMousedown);
});
},
methods: {
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exec() {
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this.select = -1;
if (this.$refs.suggests) {
Array.from(this.items).forEach(el => {
el.removeAttribute('data-selected');
});
}
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if (this.type == 'user') {
const cache = sessionStorage.getItem(this.q);
if (cache) {
const users = JSON.parse(cache);
this.users = users;
this.fetching = false;
} else {
(this as any).api('users/search_by_username', {
query: this.q,
limit: 30
}).then(users => {
this.users = users;
this.fetching = false;
// キャッシュ
sessionStorage.setItem(this.q, JSON.stringify(users));
});
}
} else if (this.type == 'emoji') {
const matched = [];
emjdb.some(x => {
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if (x.name.indexOf(this.q) == 0 && !x.alias && !matched.some(y => y.emoji == x.emoji)) matched.push(x);
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return matched.length == 30;
});
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if (matched.length < 30) {
emjdb.some(x => {
if (x.name.indexOf(this.q) == 0 && !matched.some(y => y.emoji == x.emoji)) matched.push(x);
return matched.length == 30;
});
}
if (matched.length < 30) {
emjdb.some(x => {
if (x.name.indexOf(this.q) > -1 && !matched.some(y => y.emoji == x.emoji)) matched.push(x);
return matched.length == 30;
});
}
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this.emojis = matched;
}
},
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onMousedown(e) {
if (!contains(this.$el, e.target) && (this.$el != e.target)) this.close();
},
onKeydown(e) {
const cancel = () => {
e.preventDefault();
e.stopPropagation();
};
switch (e.which) {
case 10: // [ENTER]
case 13: // [ENTER]
if (this.select !== -1) {
cancel();
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(this.items[this.select] as any).click();
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} else {
this.close();
}
break;
case 27: // [ESC]
cancel();
this.close();
break;
case 38: // [↑]
if (this.select !== -1) {
cancel();
this.selectPrev();
} else {
this.close();
}
break;
case 9: // [TAB]
case 40: // [↓]
cancel();
this.selectNext();
break;
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default:
e.stopPropagation();
this.textarea.focus();
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}
},
selectNext() {
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if (++this.select >= this.items.length) this.select = 0;
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this.applySelect();
},
selectPrev() {
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if (--this.select < 0) this.select = this.items.length - 1;
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this.applySelect();
},
applySelect() {
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Array.from(this.items).forEach(el => {
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el.removeAttribute('data-selected');
});
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this.items[this.select].setAttribute('data-selected', 'true');
(this.items[this.select] as any).focus();
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}
}
});
</script>
<style lang="stylus" scoped>
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@import '~const.styl'
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.mk-autocomplete
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position fixed
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z-index 65535
margin-top calc(1em + 8px)
overflow hidden
background #fff
border solid 1px rgba(0, 0, 0, 0.1)
border-radius 4px
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transition top 0.1s ease, left 0.1s ease
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> ol
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display block
margin 0
padding 4px 0
max-height 190px
max-width 500px
overflow auto
list-style none
> li
display block
padding 4px 12px
white-space nowrap
overflow hidden
font-size 0.9em
color rgba(0, 0, 0, 0.8)
cursor default
&, *
user-select none
&:hover
&[data-selected='true']
background $theme-color
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&, *
color #fff !important
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&:active
background darken($theme-color, 10%)
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&, *
color #fff !important
> .users > li
.avatar
vertical-align middle
min-width 28px
min-height 28px
max-width 28px
max-height 28px
margin 0 8px 0 0
border-radius 100%
.name
margin 0 8px 0 0
color rgba(0, 0, 0, 0.8)
.username
color rgba(0, 0, 0, 0.3)
> .emojis > li
.emoji
display inline-block
margin 0 4px 0 0
width 24px
.name
color rgba(0, 0, 0, 0.8)
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.alias
margin 0 0 0 8px
color rgba(0, 0, 0, 0.3)
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</style>