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Merge pull request #267 from mmrtnz/radio-revamp
RadioButton update and new component: RadioButtonGroup
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| var React = require('react'); | ||
| var Paper = require('./paper.jsx'); | ||
| var Classable = require('./mixins/classable.js'); | ||
| var EnhancedSwitch = require('./enhanced-switch.jsx'); | ||
| var RadioButton = require('./radio-button.jsx'); | ||
|
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| var RadioButtonGroup = React.createClass({ | ||
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| mixins: [Classable], | ||
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| propTypes: { | ||
| name: React.PropTypes.string.isRequired, | ||
| defaultSelected: React.PropTypes.string, | ||
| onChange: React.PropTypes.func | ||
| }, | ||
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| _hasCheckAttribute: function(radioButton) { | ||
| return radioButton.props.hasOwnProperty('checked') && | ||
| radioButton.props.checked; | ||
| }, | ||
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| getInitialState: function() { | ||
| var initialSelection = ''; | ||
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| if (this.props.hasOwnProperty('defaultSelected')) { | ||
| initialSelection = this.props.defaultSelected; | ||
| } else { | ||
| this.props.children.forEach(function(option) { | ||
| if (this._hasCheckAttribute(option) || option.props.defaultChecked) initialSelection = option.props.value; | ||
| }, this); | ||
| } | ||
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| return { | ||
| numberCheckedRadioButtons: 0, | ||
| selected: initialSelection | ||
| }; | ||
| }, | ||
|
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| componentWillMount: function() { | ||
| var cnt = 0; | ||
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| this.props.children.forEach(function(option) { | ||
| if (this._hasCheckAttribute(option)) cnt++; | ||
| }, this); | ||
|
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| this.setState({numberCheckedRadioButtons: cnt}); | ||
| }, | ||
|
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| componentWillReceiveProps: function(nextProps) { | ||
| var newSelection = ''; | ||
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| nextProps.children.forEach(function(option) { | ||
| if (this._hasCheckAttribute(option) || option.props.defaultChecked) newSelection = option.props.value; | ||
| }, this); | ||
|
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| this.setState({selected: newSelection}); | ||
| }, | ||
|
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| render: function() { | ||
| var options = this.props.children.map(function(option) { | ||
|
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| var { | ||
| name, | ||
| value, | ||
| label, | ||
| onCheck, | ||
| ...other | ||
| } = option.props; | ||
|
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| return <RadioButton | ||
| {...other} | ||
| ref={option.props.value} | ||
| name={this.props.name} | ||
| key={option.props.value} | ||
| value={option.props.value} | ||
| label={option.props.label} | ||
| onCheck={this._onChange} | ||
| checked={option.props.value == this.state.selected}/> | ||
|
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| }, this); | ||
|
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| return ( | ||
| <div> | ||
| {options} | ||
| </div> | ||
| ); | ||
| }, | ||
|
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| _updateRadioButtons: function(newSelection) { | ||
| if (this.state.numberCheckedRadioButtons == 0) { | ||
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| this.setState({selected: newSelection}); | ||
|
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| } else { | ||
| var message = "Cannot select a different radio button while another radio button " + | ||
| "has the 'checked' property set to true."; | ||
| console.error(message); | ||
| } | ||
| }, | ||
|
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| _onChange: function(e, newSelection) { | ||
| this._updateRadioButtons(newSelection); | ||
|
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| // Successful update | ||
| if (this.state.numberCheckedRadioButtons == 0) { | ||
| if (this.props.onChange) this.props.onChange(e, newSelection); | ||
| } | ||
| }, | ||
|
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| getSelectedValue: function() { | ||
| return this.state.selected; | ||
| }, | ||
|
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| setSelectedValue: function(newSelection) { | ||
| this._updateRadioButtons(newSelection); | ||
| } | ||
| }); | ||
|
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| module.exports = RadioButtonGroup; |
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