add new widget control for parameters editor

src/components/dialogs/edit-widget-parameters-control.js

+/**
+ * File: edit-widget-text-control.js
+ * Author: Ricardo Hernandez-Montoya <rhernandez@gridhound.de>
+ * Date: 21.04.2017
+ *
+ * This file is part of VILLASweb.
+ *
+ * VILLASweb is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * VILLASweb is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with VILLASweb. If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************************/
+
+import React, { Component } from 'react';
+import { FormGroup, ControlLabel } from 'react-bootstrap';
+import ParametersEditor from '../parameters-editor';
+
+class EditWidgetParametersControl extends Component {
+  constructor(props) {
+    super(props);
+
+    this.state = {
+      widget: {}
+    };
+  }
+
+  componentWillReceiveProps(nextProps) {
+      // Update state's widget with props
+    this.setState({ widget: nextProps.widget });
+  }
+
+  render() {
+    return (
+        <FormGroup controlId={this.props.controlId} validationState={this.props.validate ? this.props.validate(this.props.controlId) : null}>
+          <ControlLabel>{this.props.label}</ControlLabel>
+          <ParametersEditor content={this.state.widget[this.props.controlId] || {}} onChange={e => this.props.handleChange(e)} />
+        </FormGroup>
+    );
+  }
+}
+
+export default EditWidgetParametersControl;