168 lines
5 KiB
Vue
168 lines
5 KiB
Vue
<template>
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<label :class="wrapClasses">
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<span :class="checkboxClasses">
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<span :class="innerClasses"></span>
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<input
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v-if="group"
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type="checkbox"
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:class="inputClasses"
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:disabled="disabled"
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:value="label"
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v-model="model"
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:name="name"
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@change="change"
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@focus="onFocus"
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@blur="onBlur">
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<input
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v-else
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type="checkbox"
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:class="inputClasses"
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:disabled="disabled"
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:checked="currentValue"
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:name="name"
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@change="change"
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@focus="onFocus"
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@blur="onBlur">
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</span>
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<slot><span v-if="showSlot">{{ label }}</span></slot>
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</label>
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</template>
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<script>
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import { findComponentUpward, oneOf } from '../../utils/assist';
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import Emitter from '../../mixins/emitter';
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const prefixCls = 'ivu-checkbox';
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export default {
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name: 'Checkbox',
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mixins: [ Emitter ],
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props: {
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disabled: {
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type: Boolean,
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default: false
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},
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value: {
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type: [String, Number, Boolean],
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default: false
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},
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trueValue: {
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type: [String, Number, Boolean],
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default: true
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},
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falseValue: {
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type: [String, Number, Boolean],
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default: false
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},
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label: {
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type: [String, Number, Boolean]
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},
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indeterminate: {
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type: Boolean,
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default: false
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},
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size: {
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validator (value) {
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return oneOf(value, ['small', 'large', 'default']);
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}
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},
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name: {
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type: String
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}
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},
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data () {
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return {
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model: [],
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currentValue: this.value,
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group: false,
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showSlot: true,
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parent: findComponentUpward(this, 'CheckboxGroup'),
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focusInner: false
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};
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},
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computed: {
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wrapClasses () {
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return [
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`${prefixCls}-wrapper`,
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{
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[`${prefixCls}-group-item`]: this.group,
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[`${prefixCls}-wrapper-checked`]: this.currentValue,
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[`${prefixCls}-wrapper-disabled`]: this.disabled,
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[`${prefixCls}-${this.size}`]: !!this.size
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}
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];
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},
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checkboxClasses () {
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return [
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`${prefixCls}`,
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{
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[`${prefixCls}-checked`]: this.currentValue,
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[`${prefixCls}-disabled`]: this.disabled,
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[`${prefixCls}-indeterminate`]: this.indeterminate
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}
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];
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},
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innerClasses () {
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return [
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`${prefixCls}-inner`,
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{
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[`${prefixCls}-focus`]: this.focusInner
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}
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];
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},
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inputClasses () {
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return `${prefixCls}-input`;
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}
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},
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mounted () {
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this.parent = findComponentUpward(this, 'CheckboxGroup');
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if (this.parent) {
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this.group = true;
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}
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if (this.group) {
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this.parent.updateModel(true);
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} else {
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this.updateModel();
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this.showSlot = this.$slots.default !== undefined;
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}
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},
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methods: {
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change (event) {
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if (this.disabled) {
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return false;
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}
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const checked = event.target.checked;
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this.currentValue = checked;
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const value = checked ? this.trueValue : this.falseValue;
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this.$emit('input', value);
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if (this.group) {
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this.parent.change(this.model);
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} else {
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this.$emit('on-change', value);
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this.dispatch('FormItem', 'on-form-change', value);
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}
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},
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updateModel () {
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this.currentValue = this.value === this.trueValue;
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},
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onBlur () {
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this.focusInner = false;
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},
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onFocus () {
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this.focusInner = true;
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}
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},
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watch: {
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value (val) {
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if (val === this.trueValue || val === this.falseValue) {
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this.updateModel();
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} else {
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throw 'Value should be trueValue or falseValue.';
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}
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}
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}
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};
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</script>
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