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switched/src/client/components/ui/select.vue

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<template>
<div class="eiipwacr" :class="{ focused, disabled, filled, inline }">
<div class="icon" ref="icon"><slot name="icon"></slot></div>
<div class="input" @click="focus">
<span class="label" ref="label"><slot name="label"></slot></span>
<div class="prefix" ref="prefix"><slot name="prefix"></slot></div>
<select ref="input"
v-model="v"
:required="required"
:disabled="disabled"
@focus="focused = true"
@blur="focused = false"
>
<slot></slot>
</select>
<div class="suffix"><slot name="suffix"></slot></div>
</div>
<div class="text"><slot name="text"></slot></div>
</div>
</template>
<script lang="ts">
import Vue from 'vue';
export default Vue.extend({
props: {
value: {
required: false
},
required: {
type: Boolean,
required: false
},
disabled: {
type: Boolean,
required: false
},
inline: {
type: Boolean,
required: false,
default: false
},
},
data() {
return {
focused: false
};
},
computed: {
v: {
get() {
return this.value;
},
set(v) {
this.$emit('input', v);
}
},
filled(): boolean {
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return true;
}
},
mounted() {
if (this.$refs.prefix) {
this.$refs.label.style.left = (this.$refs.prefix.offsetLeft + this.$refs.prefix.offsetWidth) + 'px';
}
},
methods: {
focus() {
this.$refs.input.focus();
}
}
});
</script>
<style lang="scss" scoped>
.eiipwacr {
position: relative;
margin: 32px 0;
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&:not(.inline):first-child {
margin-top: 8px;
}
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&:not(.inline):last-child {
margin-bottom: 8px;
}
> .icon {
position: absolute;
top: 0;
left: 0;
width: 24px;
text-align: center;
line-height: 32px;
&:not(:empty) + .input {
margin-left: 28px;
}
}
> .input {
display: flex;
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position: relative;
&:before {
content: '';
display: block;
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: 1px;
background: var(--inputBorder);
}
&:after {
content: '';
display: block;
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: 2px;
background: var(--accent);
opacity: 0;
transform: scaleX(0.12);
transition: border 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
will-change: border opacity transform;
}
> .label {
position: absolute;
top: 0;
left: 0;
pointer-events: none;
transition: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
transition-duration: 0.3s;
font-size: 16px;
line-height: 32px;
pointer-events: none;
//will-change transform
transform-origin: top left;
transform: scale(1);
}
> select {
display: block;
flex: 1;
width: 100%;
padding: 0;
font: inherit;
font-weight: normal;
font-size: 16px;
height: 32px;
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background: none;
border: none;
border-radius: 0;
outline: none;
box-shadow: none;
color: var(--fg);
}
> .prefix,
> .suffix {
display: block;
align-self: center;
justify-self: center;
font-size: 16px;
line-height: 32px;
color: rgba(#000, 0.54);
pointer-events: none;
&:empty {
display: none;
}
> * {
display: block;
min-width: 16px;
}
}
> .prefix {
padding-right: 4px;
}
> .suffix {
padding-left: 4px;
}
}
> .text {
margin: 6px 0;
font-size: 13px;
&:empty {
display: none;
}
* {
margin: 0;
}
}
&.focused {
> .input {
&:after {
opacity: 1;
transform: scaleX(1);
}
> .label {
color: var(--accent);
}
}
}
&.focused,
&.filled {
> .input {
> .label {
top: -17px;
left: 0 !important;
transform: scale(0.75);
}
}
}
}
</style>