mirror of
https://github.com/ant-design/ant-design.git
synced 2024-12-16 09:39:10 +08:00
112 lines
3.2 KiB
JavaScript
112 lines
3.2 KiB
JavaScript
import React from 'react';
|
|
import Cascader from 'rc-cascader';
|
|
import Input from '../input';
|
|
import Icon from '../icon';
|
|
import arrayTreeFilter from 'array-tree-filter';
|
|
import classNames from 'classnames';
|
|
|
|
class AntCascader extends React.Component {
|
|
constructor(props) {
|
|
super(props);
|
|
this.state = {
|
|
value: props.value || props.defaultValue || [],
|
|
popupVisible: false,
|
|
};
|
|
[
|
|
'handleChange',
|
|
'handlePopupVisibleChange',
|
|
'setValue',
|
|
'getLabel',
|
|
'clearSelection',
|
|
].forEach((method) => this[method] = this[method].bind(this));
|
|
}
|
|
componentWillReceiveProps(nextProps) {
|
|
if ('value' in nextProps) {
|
|
this.setState({ value: nextProps.value || [] });
|
|
}
|
|
}
|
|
handleChange(value, selectedOptions) {
|
|
this.setValue(value, selectedOptions);
|
|
}
|
|
handlePopupVisibleChange(popupVisible) {
|
|
this.setState({ popupVisible });
|
|
this.props.onPopupVisibleChange(popupVisible);
|
|
}
|
|
setValue(value, selectedOptions = []) {
|
|
if (!('value' in this.props)) {
|
|
this.setState({ value });
|
|
}
|
|
this.props.onChange(value, selectedOptions);
|
|
}
|
|
getLabel() {
|
|
const { options, displayRender } = this.props;
|
|
const label = arrayTreeFilter(options, (o, level) => o.value === this.state.value[level])
|
|
.map(o => o.label);
|
|
return displayRender(label);
|
|
}
|
|
clearSelection(e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
this.setValue([]);
|
|
this.setState({ popupVisible: false });
|
|
}
|
|
render() {
|
|
const { prefixCls, children, placeholder, size, disabled, className } = this.props;
|
|
const sizeCls = classNames({
|
|
'ant-input-lg': size === 'large',
|
|
'ant-input-sm': size === 'small',
|
|
});
|
|
const clearIcon = this.state.value.length > 0 ?
|
|
<Icon type="cross-circle"
|
|
className={`${prefixCls}-picker-clear`}
|
|
onClick={this.clearSelection} /> : null;
|
|
const arrowCls = classNames({
|
|
[`${prefixCls}-picker-arrow`]: true,
|
|
[`${prefixCls}-picker-arrow-expand`]: this.state.popupVisible,
|
|
});
|
|
const pickerCls = classNames({
|
|
[className]: !!className,
|
|
[`${prefixCls}-picker`]: true,
|
|
[`${prefixCls}-picker-disabled`]: disabled,
|
|
});
|
|
return (
|
|
<Cascader {...this.props}
|
|
value={this.state.value}
|
|
popupVisible={this.state.popupVisible}
|
|
onPopupVisibleChange={this.handlePopupVisibleChange}
|
|
onChange={this.handleChange}>
|
|
{children ||
|
|
<span
|
|
{...this.props}
|
|
className={pickerCls}>
|
|
<Input placeholder={placeholder}
|
|
className={`${prefixCls}-input ant-input ${sizeCls}`}
|
|
style={{ width: '100%' }}
|
|
value={this.getLabel()}
|
|
disabled={disabled}
|
|
readOnly />
|
|
{clearIcon}
|
|
<Icon type="down" className={arrowCls} />
|
|
</span>
|
|
}
|
|
</Cascader>
|
|
);
|
|
}
|
|
}
|
|
|
|
AntCascader.defaultProps = {
|
|
prefixCls: 'ant-cascader',
|
|
placeholder: '请选择',
|
|
transitionName: 'slide-up',
|
|
popupPlacement: 'bottomLeft',
|
|
onChange() {},
|
|
options: [],
|
|
displayRender(label) {
|
|
return label.join(' / ');
|
|
},
|
|
disabled: false,
|
|
onPopupVisibleChange() {},
|
|
};
|
|
|
|
export default AntCascader;
|