time-spinner.vue
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<template>
<div :class="classes">
<div :class="[prefixCls+ '-list']" ref="hours">
<ul :class="[prefixCls + '-ul']">
<li :class="getCellCls(item)" v-for="item in hoursList" v-show="!item.hide" @click="handleClick('hours', item)">{{ formatTime(item.text) }}</li>
</ul>
</div>
<div :class="[prefixCls+ '-list']" ref="minutes">
<ul :class="[prefixCls + '-ul']">
<li :class="getCellCls(item)" v-for="item in minutesList" v-show="!item.hide" @click="handleClick('minutes', item)">{{ formatTime(item.text) }}</li>
</ul>
</div>
<div :class="[prefixCls+ '-list']" v-show="showSeconds" ref="seconds">
<ul :class="[prefixCls + '-ul']">
<li :class="getCellCls(item)" v-for="item in secondsList" v-show="!item.hide" @click="handleClick('seconds', item)">{{ formatTime(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: NaN
},
minutes: {
type: [Number, String],
default: NaN
},
seconds: {
type: [Number, String],
default: NaN
},
showSeconds: {
type: Boolean,
default: true
},
steps: {
type: Array,
default: () => []
}
},
data () {
return {
spinerSteps: [1, 1, 1].map((one, i) => Math.abs(this.steps[i]) || one),
prefixCls: prefixCls,
compiled: false
};
},
computed: {
classes () {
return [
`${prefixCls}`,
{
[`${prefixCls}-with-seconds`]: this.showSeconds
}
];
},
hoursList () {
let hours = [];
const step = this.spinerSteps[0];
const hour_tmpl = {
text: 0,
selected: false,
disabled: false,
hide: false
};
for (let i = 0; i < 24; i += step) {
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 step = this.spinerSteps[1];
const minute_tmpl = {
text: 0,
selected: false,
disabled: false,
hide: false
};
for (let i = 0; i < 60; i += step) {
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 step = this.spinerSteps[2];
const second_tmpl = {
text: 0,
selected: false,
disabled: false,
hide: false
};
for (let i = 0; i < 60; i += step) {
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,
[`${prefixCls}-cell-disabled`]: cell.disabled
}
];
},
handleClick (type, cell) {
if (cell.disabled) return;
const data = {};
data[type] = cell.text;
this.$emit('on-change', data);
this.$emit('on-pick-click');
},
scroll (type, index) {
const from = this.$refs[type].scrollTop;
const to = 24 * this.getScrollIndex(type, index);
scrollTop(this.$refs[type], from, to, 500);
},
getScrollIndex (type, index) {
const Type = firstUpperCase(type);
const disabled = this[`disabled${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'];
this.$nextTick(() => {
times.forEach(type => {
this.$refs[type].scrollTop = 24 * this[`${type}List`].findIndex(obj => obj.text == this[type]);
});
});
},
formatTime (text) {
return text < 10 ? '0' + text : text;
}
},
watch: {
hours (val) {
if (!this.compiled) return;
this.scroll('hours', this.hoursList.findIndex(obj => obj.text == val));
},
minutes (val) {
if (!this.compiled) return;
this.scroll('minutes', this.minutesList.findIndex(obj => obj.text == val));
},
seconds (val) {
if (!this.compiled) return;
this.scroll('seconds', this.secondsList.findIndex(obj => obj.text == val));
}
},
mounted () {
this.$nextTick(() => this.compiled = true);
}
};
</script>