Switch from field components to input components

src/components/inputs/NumberInput.jsx

@@ -0,0 +1,50 @@
+import React from 'react'
+import input from '../../config/input.js'
+
+class NumberInput extends React.Component {
+  static propTypes = {
+    value: React.PropTypes.number,
+    style: React.PropTypes.object,
+    default: React.PropTypes.number,
+    min: React.PropTypes.number,
+    max: React.PropTypes.number,
+    onChange: React.PropTypes.func,
+  }
+
+  onChange(e) {
+    const value = parseFloat(e.target.value)
+    /*TODO: we can do range validation already here?
+    if(this.props.min && value < this.props.min) return
+    if(this.props.max && value > this.props.max) return
+    */
+
+    if(isNaN(value)) {
+      this.props.onChange(this.props.default)
+    } else {
+      this.props.onChange(value)
+    }
+  }
+
+  render() {
+    let stepSize = null
+    if(this.props.max && this.props.min) {
+      stepSize = (this.props.max - this.props.min) / 10
+    }
+
+    return <input
+      style={{
+        ...input.input,
+        ...this.props.style
+      }}
+      type={"number"}
+      min={this.props.min}
+      max={this.props.max}
+      step={stepSize}
+      placeholder={this.props.default}
+      value={this.props.value}
+      onChange={this.onChange.bind(this)}
+    />
+  }
+}
+
+export default NumberInput