date-table.vue
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<template>
<div
:class="classes"
@click="handleClick"
@mousemove="handleMouseMove">
<div :class="[prefixCls + '-header']">
<span>日</span><span>一</span><span>二</span><span>三</span><span>四</span><span>五</span><span>六</span>
</div>
<span :class="getCellCls(cell)" v-for="cell in cells"><em :index="$index">{{ cell.text }}</em></span>
</div>
</template>
<script>
import { getFirstDayOfMonth, getDayCountOfMonth, getStartDateOfMonth } from '../util';
import { deepCopy } from '../../../utils/assist';
const prefixCls = 'ivu-date-picker-cells';
const clearHours = function (time) {
const cloneDate = new Date(time);
cloneDate.setHours(0, 0, 0, 0);
return cloneDate.getTime();
};
export default {
props: {
date: {},
year: {},
month: {},
selectionMode: {
default: 'day'
},
disabledDate: {},
minDate: {},
maxDate: {},
rangeState: {
default () {
return {
endDate: null,
selecting: false
};
}
},
value: ''
},
data () {
return {
prefixCls: prefixCls
}
},
watch: {
'rangeState.endDate' (newVal) {
this.markRange(newVal);
},
minDate(newVal, oldVal) {
if (newVal && !oldVal) {
this.rangeState.selecting = true;
this.markRange(newVal);
} else if (!newVal) {
this.rangeState.selecting = false;
this.markRange(newVal);
} else {
this.markRange();
}
},
maxDate(newVal, oldVal) {
if (newVal && !oldVal) {
this.rangeState.selecting = false;
this.markRange(newVal);
// todo 待验证
this.$emit('on-pick', {
minDate: this.minDate,
maxDate: this.maxDate
});
}
}
},
computed: {
classes () {
return [
`${prefixCls}`
]
},
cells () {
const date = new Date(this.year, this.month, 1);
let day = getFirstDayOfMonth(date); // day of first day
day = (day === 0 ? 7 : day);
const today = clearHours(new Date()); // timestamp of today
const selectDay = clearHours(new Date(this.value)); // timestamp of selected day
const minDay = clearHours(new Date(this.minDate));
const maxDay = clearHours(new Date(this.maxDate));
const dateCountOfMonth = getDayCountOfMonth(date.getFullYear(), date.getMonth());
const dateCountOfLastMonth = getDayCountOfMonth(date.getFullYear(), (date.getMonth() === 0 ? 11 : date.getMonth() - 1));
const disabledDate = this.disabledDate;
let cells = [];
const cell_tmpl = {
text: '',
type: '',
selected: false,
disabled: false,
range: false,
start: false,
end: false
};
if (day !== 7) {
for (let i = 0; i < day; i++) {
const cell = deepCopy(cell_tmpl);
cell.type = 'prev-month';
cell.text = dateCountOfLastMonth - (day - 1) + i;
let prevMonth = this.month - 1;
let prevYear = this.year;
if (this.month === 0) {
prevMonth = 11;
prevYear -= 1;
}
const time = clearHours(new Date(prevYear, prevMonth, cell.text));
cell.disabled = typeof disabledDate === 'function' && disabledDate(new Date(time));
cells.push(cell);
}
}
for (let i = 1; i <= dateCountOfMonth; i++) {
const cell = deepCopy(cell_tmpl);
const time = clearHours(new Date(this.year, this.month, i));
cell.type = time === today ? 'today' : 'normal';
cell.text = i;
cell.selected = time === selectDay;
cell.disabled = typeof disabledDate === 'function' && disabledDate(new Date(time));
cell.range = time >= minDay && time <= maxDay;
cell.start = this.minDate && time === minDay;
cell.end = this.maxDate && time === maxDay;
cells.push(cell);
}
const nextMonthCount = 42 - cells.length;
for (let i = 1; i <= nextMonthCount; i++) {
const cell = deepCopy(cell_tmpl);
cell.type = 'next-month';
cell.text = i;
let nextMonth = this.month + 1;
let nextYear = this.year;
if (this.month === 11) {
nextMonth = 0;
nextYear += 1;
}
const time = clearHours(new Date(nextYear, nextMonth, cell.text));
cell.disabled = typeof disabledDate === 'function' && disabledDate(new Date(time));
cells.push(cell);
}
return cells;
}
},
methods: {
getDateOfCell (cell) {
let year = this.year;
let month = this.month;
let day = cell.text;
if (cell.type === 'prev-month') {
if (month === 0) {
month = 11;
year--;
} else {
month--;
}
} else if (cell.type === 'next-month') {
if (month === 11) {
month = 0;
year++;
} else {
month++;
}
}
return new Date(year, month, day);
},
handleClick (event) {
const target = event.target;
if (target.tagName === 'EM') {
const cell = this.cells[parseInt(event.target.getAttribute('index'))];
if (cell.disabled) return;
const newDate = this.getDateOfCell(cell);
if (this.selectionMode === 'range') {
if (this.minDate && this.maxDate) {
const minDate = new Date(newDate.getTime());
const maxDate = null;
this.rangeState.selecting = true;
this.markRange(this.minDate);
this.$emit('on-pick', {minDate, maxDate}, false);
} else if (this.minDate && !this.maxDate) {
if (newDate >= this.minDate) {
const maxDate = new Date(newDate.getTime());
this.rangeState.selecting = false;
this.$emit('on-pick', {minDate: this.minDate, maxDate});
} else {
const minDate = new Date(newDate.getTime());
this.$emit('on-pick', {minDate, maxDate: this.maxDate}, false);
}
} else if (!this.minDate) {
const minDate = new Date(newDate.getTime());
this.rangeState.selecting = true;
this.markRange(this.minDate);
this.$emit('on-pick', {minDate, maxDate: this.maxDate}, false);
}
} else {
this.$emit('on-pick', newDate);
}
}
},
handleMouseMove (event) {
if (!this.rangeState.selecting) return;
this.$emit('on-changerange', {
minDate: this.minDate,
maxDate: this.maxDate,
rangeState: this.rangeState
});
const target = event.target;
if (target.tagName === 'EM') {
const cell = this.cells[parseInt(event.target.getAttribute('index'))];
// if (cell.disabled) return; // todo 待确定
this.rangeState.endDate = this.getDateOfCell(cell);
}
},
markRange (maxDate) {
const minDate = this.minDate;
if (!maxDate) maxDate = this.maxDate;
const minDay = clearHours(new Date(minDate));
const maxDay = clearHours(new Date(maxDate));
this.cells.forEach(cell => {
if (cell.type === 'today' || cell.type === 'normal') {
const time = clearHours(new Date(this.year, this.month, cell.text));
cell.range = time >= minDay && time <= maxDay;
cell.start = minDate && time === minDay;
cell.end = maxDate && time === maxDay;
}
});
},
getCellCls (cell) {
return [
`${prefixCls}-cell`,
{
[`${prefixCls}-cell-selected`]: cell.selected || cell.start || cell.end,
[`${prefixCls}-cell-disabled`]: cell.disabled,
[`${prefixCls}-cell-today`]: cell.type === 'today',
[`${prefixCls}-cell-prev-month`]: cell.type === 'prev-month',
[`${prefixCls}-cell-next-month`]: cell.type === 'next-month',
[`${prefixCls}-cell-range`]: cell.range && !cell.start && !cell.end
}
]
},
}
}
</script>