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import React, {PropTypes} from 'react';
import ReactDOM from 'react-dom';
import Trigger from 'rc-trigger';
import {createChainedFunction} from 'rc-util';
import placements from './util/placements';
import CommonMixin from './mixin/CommonMixin';
function noop() {
}
function refFn(field, component) {
this[field] = component;
}
const Picker = React.createClass({
propTypes: {
prefixCls: PropTypes.string,
panel: PropTypes.element,
children: PropTypes.func,
disabled: PropTypes.bool,
value: PropTypes.object,
open: PropTypes.bool,
align: PropTypes.object,
placement: PropTypes.any,
transitionName: PropTypes.string,
onChange: PropTypes.func,
onOpen: PropTypes.func,
onClose: PropTypes.func,
},
mixins: [CommonMixin],
getDefaultProps() {
return {
open: false,
align: {},
placement: 'bottomLeft',
onChange: noop,
onOpen: noop,
onClose: noop,
};
},
getInitialState() {
this.savePanelRef = refFn.bind(this, 'panelInstance');
const { open, value } = this.props;
return { open, value };
},
componentWillReceiveProps(nextProps) {
const { value, open } = nextProps;
if (value !== undefined) {
this.setState({value});
}
if (open !== undefined) {
this.setState({open});
}
},
onPanelChange(value) {
const props = this.props;
this.setState({
value: value,
});
props.onChange(value);
},
onPanelClear() {
this.setOpen(false, this.focus);
},
onVisibleChange(open) {
this.setOpen(open, () => {
if (open) {
ReactDOM.findDOMNode(this.panelInstance).focus();
}
});
},
getPanelElement() {
const panel = this.props.panel;
const extraProps = {
ref: this.savePanelRef,
defaultValue: this.state.value || panel.props.defaultValue,
onChange: createChainedFunction(panel.props.onChange, this.onPanelChange),
onClear: createChainedFunction(panel.props.onClear, this.onPanelClear),
};
return React.cloneElement(panel, extraProps);
},
setOpen(open, callback) {
const {onOpen, onClose} = this.props;
if (this.state.open !== open) {
this.setState({
open: open,
}, callback);
const event = {
open: open,
};
if (open) {
onOpen(event);
} else {
onClose(event);
}
}
},
focus() {
if (!this.state.open) {
ReactDOM.findDOMNode(this).focus();
}
},
render() {
const state = this.state;
const props = this.props;
const { prefixCls, placement, align, disabled, transitionName, children } = props;
return (
<Trigger
prefixCls={prefixCls}
popup={this.getPanelElement()}
popupAlign={align}
builtinPlacements={placements}
popupPlacement={placement}
action={disabled ? [] : ['click']}
destroyPopupOnHide
popupTransitionName={transitionName}
popupVisible={state.open}
onPopupVisibleChange={this.onVisibleChange}
>
<span className={`${prefixCls}-picker`}>
{children(state, props)}
</span>
</Trigger>
);
},
});
export default Picker;
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