deguodaigou/utils/dist/checkbox/index.js
2019-12-23 14:13:27 +08:00

88 lines
2.4 KiB
JavaScript

import { VantComponent } from '../common/component';
import { addUnit } from '../common/utils';
function emit(target, value) {
target.$emit('input', value);
target.$emit('change', value);
}
VantComponent({
field: true,
relation: {
name: 'checkbox-group',
type: 'ancestor',
linked(target) {
this.parent = target;
},
unlinked() {
this.parent = null;
}
},
classes: ['icon-class', 'label-class'],
props: {
value: Boolean,
disabled: Boolean,
useIconSlot: Boolean,
checkedColor: String,
labelPosition: String,
labelDisabled: Boolean,
shape: {
type: String,
value: 'round'
},
iconSize: {
type: null,
observer: 'setSizeWithUnit'
}
},
data: {
sizeWithUnit: '20px'
},
methods: {
emitChange(value) {
if (this.parent) {
this.setParentValue(this.parent, value);
}
else {
emit(this, value);
}
},
toggle() {
const { disabled, value } = this.data;
if (!disabled) {
this.emitChange(!value);
}
},
onClickLabel() {
const { labelDisabled, disabled, value } = this.data;
if (!disabled && !labelDisabled) {
this.emitChange(!value);
}
},
setParentValue(parent, value) {
const parentValue = parent.data.value.slice();
const { name } = this.data;
const { max } = parent.data;
if (value) {
if (max && parentValue.length >= max) {
return;
}
if (parentValue.indexOf(name) === -1) {
parentValue.push(name);
emit(parent, parentValue);
}
}
else {
const index = parentValue.indexOf(name);
if (index !== -1) {
parentValue.splice(index, 1);
emit(parent, parentValue);
}
}
},
setSizeWithUnit(size) {
this.set({
sizeWithUnit: addUnit(size)
});
},
}
});