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58 lines
1.8 KiB
58 lines
1.8 KiB
import { VantComponent } from '../common/component';
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import { pickerProps } from './shared';
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VantComponent({
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classes: ['active-class', 'toolbar-class', 'column-class'],
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props: Object.assign(Object.assign({}, pickerProps), {
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max: {
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type: Number,
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value: Infinity,
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},
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activeId: {
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type: Array,
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value: []
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},
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toolbarPosition: {
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type: String,
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value: 'top'
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},
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defaultIndex: {
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type: Number,
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value: 0
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},
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columns: {
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type: Array,
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value: []
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},
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selectedIcon: {
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type: String,
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value: 'success',
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}
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}),
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methods: {
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emit(event) {
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const { type } = event.currentTarget.dataset;
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if (this.data.columns.length) {
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this.$emit(type, this.data.activeId );
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} else {
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this.$emit(type, { });
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}
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},
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onSelectItem(event) {
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const { item } = event.currentTarget.dataset;
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const isArray = Array.isArray(this.data.activeId);
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// 判断有没有超出右侧选择的最大数
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const isOverMax = isArray && this.data.activeId.length >= this.data.max;
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// 判断该项有没有被选中, 如果有被选中，则忽视是否超出的条件
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const index = this.data.activeId.indexOf(item.id)
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if (!item.disabled && !isOverMax) {
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if(index > -1){
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this.data.activeId.splice(index, 1)
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} else {
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this.data.activeId.push(item.id)
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}
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this.setData({ activeId: this.data.activeId });
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}
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},
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}
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});
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