🚧 Progress on React components

packages/components/src/DraftConfigurator/PatternOptionMillimeter/index.js

@@ -0,0 +1,107 @@
+import React, { useState } from "react";
+import PropTypes from "prop-types";
+import {
+  sliderStep,
+  roundMm,
+  roundMmUp,
+  roundMmDown,
+  formatMm
+} from "../../utils";
+import FormFieldSlider from "../../form/FormFieldSlider";
+import OptionPreamble from "../OptionPreamble";
+
+const PatternOptionMillimeter = props => {
+  const [value, setValue] = useState(props.dflt);
+  const [previousValue, setPreviousValue] = useState(props.dflt);
+  const [expanded, setExpanded] = useState(false);
+
+  const update = (name, newValue, evt) => {
+    newValue = roundMm(newValue, props.units);
+    // Sometimes, when sliding, the rapid succession of updates
+    // causes a weird timing issue to result in a value that is NaN.
+    // If that's the case, just ignore this update and keep the
+    // previous one instead
+    if (!isNaN(newValue)) {
+      setValue(newValue);
+      if (evt.type !== "mousemove") props.updateValue(props.name, newValue);
+    } else {
+      if (evt.type !== "mousemove") props.updateValue(props.name, value);
+    }
+  };
+
+  const reset = () => {
+    setValue(props.dflt);
+    props.updateValue(props.name, props.dflt);
+  };
+
+  const toggleExpanded = () => setExpanded(!expanded);
+
+  const styles = {
+    container: {
+      display: "flex",
+      flexDirection: "row",
+      alignItems: "center"
+    },
+    left: {
+      flexGrow: 1,
+      margin: "0 0.5rem"
+    },
+    right: { margin: "0 0.5rem" }
+  };
+
+  let option = (
+    <FormFieldSlider
+      name={props.name}
+      value={value}
+      min={roundMmUp(props.min, props.units)}
+      max={roundMmDown(props.max, props.units)}
+      step={sliderStep[props.units]}
+      onChange={update}
+      label={"po-mm-" + props.name}
+      updateValue={update}
+    />
+  )
+
+  return (
+    <li>
+      <OptionPreamble
+        dflt={props.dflt}
+        value={value}
+        desc={props.desc}
+        title={props.title}
+        id={"po-mm-" + props.name}
+        displayValue={formatMm(value, props.units)}
+        reset={reset}
+        toggleExpanded={toggleExpanded}
+        expanded={expanded}
+        showHelp={() =>
+          props.triggerAction("showHelp", {
+            type: "patternOption",
+            value: props.name
+          })
+        }
+        option={option}
+      />
+    </li>
+  );
+};
+
+PatternOptionMillimeter.propTypes = {
+  min: PropTypes.number,
+  max: PropTypes.number,
+  updateValue: PropTypes.func.isRequired,
+  name: PropTypes.string.isRequired,
+  dflt: PropTypes.number.isRequired,
+  title: PropTypes.node.isRequired,
+  desc: PropTypes.node.isRequired,
+  units: PropTypes.oneOf(["metric", "imperial"]).isRequired
+};
+
+PatternOptionMillimeter.defaultProps = {
+  min: 0,
+  max: 100,
+  title: false,
+  desc: false
+};
+
+export default PatternOptionMillimeter;