SIP-32: Moving frontend code to the base of the repo (#9098)

* move assets out, get webpack dev working

* update docs to reference superset-frontend

* draw the rest of the owl

* fix docs

* fix webpack script

* rats

* correct docs

* fix tox dox

superset-frontend/src/explore/components/controls/BoundsControl.jsx

@@ -0,0 +1,109 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Col, Row, FormGroup, FormControl } from 'react-bootstrap';
+import { t } from '@superset-ui/translation';
+import ControlHeader from '../ControlHeader';
+
+const propTypes = {
+  onChange: PropTypes.func,
+  value: PropTypes.array,
+};
+
+const defaultProps = {
+  onChange: () => {},
+  value: [null, null],
+};
+
+export default class BoundsControl extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      minMax: [
+        props.value[0] === null ? '' : props.value[0],
+        props.value[1] === null ? '' : props.value[1],
+      ],
+    };
+    this.onChange = this.onChange.bind(this);
+    this.onMinChange = this.onMinChange.bind(this);
+    this.onMaxChange = this.onMaxChange.bind(this);
+  }
+  onMinChange(event) {
+    this.setState(
+      {
+        minMax: [event.target.value, this.state.minMax[1]],
+      },
+      this.onChange,
+    );
+  }
+  onMaxChange(event) {
+    this.setState(
+      {
+        minMax: [this.state.minMax[0], event.target.value],
+      },
+      this.onChange,
+    );
+  }
+  onChange() {
+    const mm = this.state.minMax;
+    const errors = [];
+    if (mm[0] && isNaN(mm[0])) {
+      errors.push(t('`Min` value should be numeric or empty'));
+    }
+    if (mm[1] && isNaN(mm[1])) {
+      errors.push(t('`Max` value should be numeric or empty'));
+    }
+    if (errors.length === 0) {
+      this.props.onChange([parseFloat(mm[0]), parseFloat(mm[1])], errors);
+    } else {
+      this.props.onChange([null, null], errors);
+    }
+  }
+  render() {
+    return (
+      <div>
+        <ControlHeader {...this.props} />
+        <FormGroup bsSize="small">
+          <Row>
+            <Col xs={6}>
+              <FormControl
+                type="text"
+                placeholder={t('Min')}
+                onChange={this.onMinChange}
+                value={this.state.minMax[0]}
+              />
+            </Col>
+            <Col xs={6}>
+              <FormControl
+                type="text"
+                placeholder={t('Max')}
+                onChange={this.onMaxChange}
+                value={this.state.minMax[1]}
+              />
+            </Col>
+          </Row>
+        </FormGroup>
+      </div>
+    );
+  }
+}
+
+BoundsControl.propTypes = propTypes;
+BoundsControl.defaultProps = defaultProps;