mattermost/web/react/components/setting_picture.jsx

// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.

module.exports = React.createClass({
    setPicture: function(file) {
        if (file) {
            var reader = new FileReader();

            var img = this.refs.image.getDOMNode();
            reader.onload = function (e) {
                $(img).attr('src', e.target.result)
            };

            reader.readAsDataURL(file);
        }
    },
    componentWillReceiveProps: function(nextProps) {
        if (nextProps.picture) {
            this.setPicture(nextProps.picture);
        }
    },
    render: function() {
        var client_error = this.props.client_error ? <div className='form-group has-error'><label className='control-label'>{ this.props.client_error }</label></div> : null;
        var server_error = this.props.server_error ? <div className='form-group has-error'><label className='control-label'>{ this.props.server_error }</label></div> : null;

        var img = null;
        if (this.props.picture) {
            img = (<img ref="image" className="col-xs-5 profile-img" src=""/>);
        } else {
            img = (<img ref="image" className="col-xs-5 profile-img" src={this.props.src}/>);
        }

        var self = this;

        return (
            <ul className="section-max">
                <li className="col-xs-12 section-title">{this.props.title}</li>
                <li className="col-xs-offset-3 col-xs-8">
                    <ul className="setting-list">
                        <li className="row setting-list-item">
                            {img}
                        </li>
                        <li className="setting-list-item">
                            { server_error }
                            { client_error }
                            <span className="btn btn-sm btn-primary btn-file sel-btn">Upload<input ref="input" accept=".jpg,.png,.bmp" type="file" onChange={this.props.pictureChange}/></span>
                            <a className={this.props.submitActive ? "btn btn-sm btn-primary" : "btn btn-sm btn-inactive disabled"} onClick={this.props.submit}>Save</a>
                            <a className="btn btn-sm theme" href="#" onClick={self.props.updateSection}>Cancel</a>
                        </li>
                    </ul>
                </li>
            </ul>
        );
    }
});