AZaviruha/react-form-generator

var mixins = require( './../../../mixins' );

module.exports = function ( React, tools ) {
    var getOrDefault = tools.getOrDefault
      , getOrNull    = tools.getOrNull;

    return React.createClass({
        displayName: 'RadiogroupRenderer',

        propTypes: {
            config: React.PropTypes.object.isRequired
        },

        mixins: [ mixins.PrimitiveAccessors ],

        /* =========================================================== */
        /* ======================== Lyfe Cycle ======================= */
        /* =========================================================== */
        getDefaultProps: function () {
            return { config: {} };
        },

        /* =========================================================== */
        /* ======================== Handlers ========================= */
        /* =========================================================== */
        handleOnChange: function ( e, item ) {
            var res = { 
                id:    this._conf().fieldID,
                meta:  this._meta(),
                value: {}
            };

            res.value[ res.id ] = item.id;
            this.handleEvent( 'change')( e );
            this._conf().onChange( res );
        },

        handleEvent: mixins.handleEvent,

        /* =========================================================== */
        /* ======================== Renders ========================== */
        /* =========================================================== */
        render: function () {
            var config = this._conf()
              , meta   = this._meta()
              , spec   = this._spec();

            if ( meta.isHidden ) return null;

            return (
                <div className="generated-radiogroup-field"
                     id={config.fieldID}>
                    {this.renderItems( spec.possibleValues )}
                </div>
            );
        },

        renderItems: function ( items ) {
            var self   = this
              , config = this._conf()
              , meta   = this._meta();

            return (items || []).map(function ( item, idx ) {
                var value      = getOrNull( config, 'value' )
                  , isChecked  = item.id === value
                  , isReadOnly = meta.isReadOnly || meta.isDisabled
                  , key        = config.fieldID + '-' + idx;

                return (
                    <label key={key}>
                        <span className="generated-radio-label">{item.text}</span>
                        <input 
                            type="radio"
                            className="generated-radio-item"
                            name={item.name}
                            checked={isChecked}
                            readOnly={isReadOnly}
                            onChange={handler}
                            onBlur={self.handleEvent( 'blur' )}
                            onFocus={self.handleEvent( 'focus' )}
                            onKeyPress={self.handleEvent( 'keypress' )} />
                    </label>
                );
                
                function handler ( e ) {
                    return self.handleOnChange( e, item ); 
                }
            });
        }
    });
};