time-spinner.vue
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<template>
<div :class="classes">
<div :class="[prefixCls+ '-list']" v-el:hours>
<ul @click="handleClickHours">
<li :class="getCellCls(item)" v-for="item in hoursList" v-show="!item.hide" :index="$index">{{ item.text < 10 ? '0' + item.text : item.text }}</li>
</ul>
</div>
<div :class="[prefixCls+ '-list']" v-el:minutes>
<ul @click="handleClickMinutes">
<li :class="getCellCls(item)" v-for="item in minutesList" v-show="!item.hide" :index="$index">{{ item.text < 10 ? '0' + item.text : item.text }}</li>
</ul>
</div>
<div :class="[prefixCls+ '-list']" v-show="showSeconds" v-el:seconds>
<ul @click="handleClickSeconds">
<li :class="getCellCls(item)" v-for="item in secondsList" v-show="!item.hide" :index="$index">{{ item.text < 10 ? '0' + item.text : item.text }}</li>
</ul>
</div>
</div>
</template>
<script>
import Options from '../time-mixins';
import { deepCopy, scrollTop, firstUpperCase } from '../../../utils/assist';
const prefixCls = 'ivu-time-picker-cells';
export default {
mixins: [Options],
props: {
hours: {
type: [Number, String],
default: 0
},
minutes: {
type: [Number, String],
default: 0
},
seconds: {
type: [Number, String],
default: 0
},
showSeconds: {
type: Boolean,
default: true
}
},
data () {
return {
prefixCls: prefixCls
};
},
computed: {
classes () {
return [
`${prefixCls}`,
{
[`${prefixCls}-with-seconds`]: this.showSeconds
}
];
},
hoursList () {
let hours = [];
const hour_tmpl = {
text: 0,
selected: false,
disabled: false,
hide: false
};
for (let i = 0; i < 24; i++) {
const hour = deepCopy(hour_tmpl);
hour.text = i;
if (this.disabledHours.length && this.disabledHours.indexOf(i) > -1) {
hour.disabled = true;
if (this.hideDisabledOptions) hour.hide = true;
}
if (this.hours === i) hour.selected = true;
hours.push(hour);
}
return hours;
},
minutesList () {
let minutes = [];
const minute_tmpl = {
text: 0,
selected: false,
disabled: false,
hide: false
};
for (let i = 0; i < 60; i++) {
const minute = deepCopy(minute_tmpl);
minute.text = i;
if (this.disabledMinutes.length && this.disabledMinutes.indexOf(i) > -1) {
minute.disabled = true;
if (this.hideDisabledOptions) minute.hide = true;
}
if (this.minutes === i) minute.selected = true;
minutes.push(minute);
}
return minutes;
},
secondsList () {
let seconds = [];
const second_tmpl = {
text: 0,
selected: false,
disabled: false,
hide: false
};
for (let i = 0; i < 60; i++) {
const second = deepCopy(second_tmpl);
second.text = i;
if (this.disabledSeconds.length && this.disabledSeconds.indexOf(i) > -1) {
second.disabled = true;
if (this.hideDisabledOptions) second.hide = true;
}
if (this.seconds === i) second.selected = true;
seconds.push(second);
}
return seconds;
}
},
methods: {
getCellCls (cell) {
return [
`${prefixCls}-cell`,
{
[`${prefixCls}-cell-selected`]: cell.selected,
[`${prefixCls}-cell-disabled`]: cell.disabled
}
];
},
handleClickHours (event) {
this.handleClick('hours', event);
},
handleClickMinutes (event) {
this.handleClick('minutes', event);
},
handleClickSeconds (event) {
this.handleClick('seconds', event);
},
handleClick (type, event) {
const target = event.target;
if (target.tagName === 'LI') {
const cell = this[`${type}List`][parseInt(event.target.getAttribute('index'))];
if (cell.disabled) return;
const data = {};
data[type] = cell.text;
this.$emit('on-change', data);
const from = this.$els[type].scrollTop;
const to = 24 * this.getScrollIndex(type, cell.text);
scrollTop(this.$els[type], from, to, 500);
}
},
getScrollIndex (type, index) {
const Type = firstUpperCase(type);
const disabled = this[`disabled${Type}`];
if (disabled.length && this.hideDisabledOptions) {
let _count = 0;
disabled.forEach(item => item <= index ? _count++ : '');
index -= _count;
}
return index;
},
updateScroll () {
const times = ['hours', 'minutes', 'seconds'];
times.forEach(type => this.$els[type].style.overflow = 'hidden');
this.$nextTick(() => {
times.forEach(type => {
this.$els[type].scrollTop = 24 * this.getScrollIndex(type, this[type]);
});
this.$nextTick(() => times.forEach(type => this.$els[type].style.overflow = 'auto'));
});
}
},
compiled () {
this.updateScroll();
}
};
</script>