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<style lang="scss">
@import "../css/_globals";
.lpUnitSelect {
border: 1px solid transparent;
cursor: pointer;
display: inline-block;
padding: 0 5px;
position: relative;
&:hover,
&.lpHover {
background: #fff;
border: 1px solid $border1;
i {
opacity: 1;
}
}
i {
opacity: 0.6;
}
&.lpOpen {
background: #fff;
.lpUnitDropdown {
display: block;
}
}
.lpDisplay {
display: inline-block;
width: 1.1em;
}
.lpUnitDropdown {
background: #fff;
border: 1px solid #ccc;
display: none;
left: 0;
padding: 0;
position: absolute;
top: -1px;
z-index: $aboveSidebar+1;
&.kg {
top: -30px;
}
li {
list-style: none;
padding: 2px 14px;
&:hover {
background: $blue1;
color: #fff;
}
}
}
}
</style>
<template>
<div class="lpUnitSelect" :class="{lpOpen: isOpen, lpHover: isFocused}" @click="toggle($event)">
<select class="lpUnit lpInvisible" :value="unit" @keyup="keyup($event)" @focus="focusSelect" @blur="blurSelect">
<option v-for="unit in units" :value="unit">
{{ unit }}
</option>
</select>
<span class="lpDisplay">{{ unit }}</span>
<i class="lpSprite lpExpand" />
<ul :class="'lpUnitDropdown ' + unit">
<li v-for="unit in units" :class="unit" @click="select(unit)">
{{ unit }}
</li>
</ul>
</div>
</template>
<script>
export default {
name: 'UnitSelect',
props: ['weight', 'unit', 'onChange'],
data() {
return {
units: [
'g',
'kg',
],
isOpen: false,
isFocused: false,
};
},
methods: {
toggle(evt) {
evt.stopPropagation();
if (!this.isOpen) {
this.open();
} else {
this.close();
}
},
open() {
this.isOpen = true;
this.bindCloseListeners();
},
close() {
this.isOpen = false;
this.unbindCloseListeners();
},
select(unit) {
if (typeof this.onChange === 'function') {
this.onChange(unit);
}
},
keyup(evt) {
if (typeof this.onChange === 'function') {
this.onChange(evt.target.value);
}
},
bindCloseListeners() {
window.addEventListener('keyup', this.closeOnEscape);
window.addEventListener('click', this.closeOnClick);
},
unbindCloseListeners() {
window.removeEventListener('keyup', this.closeOnEscape);
window.removeEventListener('click', this.closeOnClick);
},
closeOnEscape(evt) {
if (evt.keyCode === 27) {
this.close();
}
},
closeOnClick(evt) {
this.close();
},
focusSelect() {
this.isFocused = true;
},
blurSelect() {
this.isFocused = false;
},
},
};
</script>