From 5f4611d65e40eae3ca6191a15f68d69ea5a1c4cb Mon Sep 17 00:00:00 2001
From: Kirill Rogovoy <kirill@rogovoy.me>
Date: Tue, 20 Jul 2021 21:24:52 +0300
Subject: WIP

---
 app_expo/components/checkbox/checkbox.props.ts  |  44 +++++++++
 app_expo/components/checkbox/checkbox.story.tsx | 121 ++++++++++++++++++++++++
 app_expo/components/checkbox/checkbox.tsx       |  53 +++++++++++
 3 files changed, 218 insertions(+)
 create mode 100644 app_expo/components/checkbox/checkbox.props.ts
 create mode 100644 app_expo/components/checkbox/checkbox.story.tsx
 create mode 100644 app_expo/components/checkbox/checkbox.tsx

(limited to 'app_expo/components/checkbox')

diff --git a/app_expo/components/checkbox/checkbox.props.ts b/app_expo/components/checkbox/checkbox.props.ts
new file mode 100644
index 0000000..4a212e3
--- /dev/null
+++ b/app_expo/components/checkbox/checkbox.props.ts
@@ -0,0 +1,44 @@
+import { StyleProp, ViewStyle } from 'react-native'
+import { TxKeyPath } from '../../i18n'
+
+export interface CheckboxProps {
+  /**
+   * Additional container style. Useful for margins.
+   */
+  style?: StyleProp<ViewStyle>
+
+  /**
+   * Additional outline style.
+   */
+  outlineStyle?: StyleProp<ViewStyle>
+
+  /**
+   * Additional fill style. Only visible when checked.
+   */
+  fillStyle?: StyleProp<ViewStyle>
+
+  /**
+   * Is the checkbox checked?
+   */
+  value?: boolean
+
+  /**
+   * The text to display if there isn't a tx.
+   */
+  text?: string
+
+  /**
+   * The i18n lookup key.
+   */
+  tx?: TxKeyPath
+
+  /**
+   * Multiline or clipped single line?
+   */
+  multiline?: boolean
+
+  /**
+   * Fires when the user tabs to change the value.
+   */
+  onToggle?: (newValue: boolean) => void
+}
diff --git a/app_expo/components/checkbox/checkbox.story.tsx b/app_expo/components/checkbox/checkbox.story.tsx
new file mode 100644
index 0000000..a6dce83
--- /dev/null
+++ b/app_expo/components/checkbox/checkbox.story.tsx
@@ -0,0 +1,121 @@
+/* eslint-disable react-native/no-inline-styles */
+/* eslint-disable react-native/no-color-literals */
+
+import * as React from 'react'
+import { View, ViewStyle } from 'react-native'
+import { storiesOf } from '@storybook/react-native'
+import { StoryScreen, Story, UseCase } from '../../../storybook/views'
+import { Checkbox } from './checkbox'
+import { Toggle } from 'react-powerplug'
+
+declare let module
+
+const arrayStyle: ViewStyle[] = [{ paddingVertical: 40 }, { alignSelf: 'flex-end' }]
+const arrayOutlineStyle: ViewStyle[] = [{ borderColor: '#b443c9' }, { borderWidth: 25 }]
+const arrayFillStyle: ViewStyle[] = [{ backgroundColor: '#55e0ff' }]
+
+storiesOf('Checkbox', module)
+  .addDecorator((fn) => <StoryScreen>{fn()}</StoryScreen>)
+  .add('Behaviour', () => (
+    <Story>
+      <UseCase text="The Checkbox" usage="Use the checkbox to represent on/off states.">
+        <Toggle initial={false}>
+          {({ on, toggle }) => <Checkbox value={on} onToggle={toggle} text="Toggle me" />}
+        </Toggle>
+      </UseCase>
+      <UseCase text="value = true" usage="This is permanently on.">
+        <Checkbox value={true} text="Always on" />
+      </UseCase>
+      <UseCase text="value = false" usage="This is permanantly off.">
+        <Checkbox value={false} text="Always off" />
+      </UseCase>
+    </Story>
+  ))
+  .add('Styling', () => (
+    <Story>
+      <UseCase text="multiline = true" usage="For really really long text">
+        <Toggle initial={false}>
+          {({ on, toggle }) => (
+            <View>
+              <Checkbox
+                text="We’re an App Design & Development Team. Experts in mobile & web technologies. We create beautiful, functional mobile apps and websites."
+                value={on}
+                multiline
+                onToggle={toggle}
+              />
+            </View>
+          )}
+        </Toggle>
+      </UseCase>
+      <UseCase text=".style" usage="Override the container style">
+        <Toggle initial={false}>
+          {({ on, toggle }) => (
+            <View>
+              <Checkbox
+                text="Hello there!"
+                value={on}
+                style={{
+                  backgroundColor: 'purple',
+                  marginLeft: 40,
+                  paddingVertical: 30,
+                  paddingLeft: 60,
+                }}
+                onToggle={toggle}
+              />
+            </View>
+          )}
+        </Toggle>
+      </UseCase>
+      <UseCase text=".outlineStyle" usage="Override the outline style">
+        <Toggle initial={false}>
+          {({ on, toggle }) => (
+            <View>
+              <Checkbox
+                text="Outline is the box frame"
+                value={on}
+                outlineStyle={{
+                  borderColor: 'green',
+                  borderRadius: 10,
+                  borderWidth: 4,
+                  width: 60,
+                  height: 20,
+                }}
+                onToggle={toggle}
+              />
+            </View>
+          )}
+        </Toggle>
+      </UseCase>
+      <UseCase text=".fillStyle" usage="Override the fill style">
+        <Toggle initial={false}>
+          {({ on, toggle }) => (
+            <View>
+              <Checkbox
+                text="Fill er up"
+                value={on}
+                fillStyle={{ backgroundColor: 'red', borderRadius: 8 }}
+                onToggle={toggle}
+              />
+            </View>
+          )}
+        </Toggle>
+      </UseCase>
+
+      <UseCase text="Array style" usage="Use array styles">
+        <Toggle initial={false}>
+          {({ on, toggle }) => (
+            <View>
+              <Checkbox
+                text="Check it twice"
+                value={on}
+                onToggle={toggle}
+                style={arrayStyle}
+                outlineStyle={arrayOutlineStyle}
+                fillStyle={arrayFillStyle}
+              />
+            </View>
+          )}
+        </Toggle>
+      </UseCase>
+    </Story>
+  ))
diff --git a/app_expo/components/checkbox/checkbox.tsx b/app_expo/components/checkbox/checkbox.tsx
new file mode 100644
index 0000000..fba748e
--- /dev/null
+++ b/app_expo/components/checkbox/checkbox.tsx
@@ -0,0 +1,53 @@
+import * as React from 'react'
+import { TextStyle, TouchableOpacity, View, ViewStyle } from 'react-native'
+import { Text } from '../text/text'
+import { color, spacing } from '../../theme'
+import { CheckboxProps } from './checkbox.props'
+
+const ROOT: ViewStyle = {
+  flexDirection: 'row',
+  paddingVertical: spacing[1],
+  alignSelf: 'flex-start',
+}
+
+const DIMENSIONS = { width: 16, height: 16 }
+
+const OUTLINE: ViewStyle = {
+  ...DIMENSIONS,
+  marginTop: 2, // finicky and will depend on font/line-height/baseline/weather
+  justifyContent: 'center',
+  alignItems: 'center',
+  borderWidth: 1,
+  borderColor: color.primaryDarker,
+  borderRadius: 1,
+}
+
+const FILL: ViewStyle = {
+  width: DIMENSIONS.width - 4,
+  height: DIMENSIONS.height - 4,
+  backgroundColor: color.primary,
+}
+
+const LABEL: TextStyle = { paddingLeft: spacing[2] }
+
+export function Checkbox(props: CheckboxProps) {
+  const numberOfLines = props.multiline ? 0 : 1
+
+  const rootStyle = [ROOT, props.style]
+  const outlineStyle = [OUTLINE, props.outlineStyle]
+  const fillStyle = [FILL, props.fillStyle]
+
+  const onPress = props.onToggle ? () => props.onToggle && props.onToggle(!props.value) : null
+
+  return (
+    <TouchableOpacity
+      activeOpacity={1}
+      disabled={!props.onToggle}
+      onPress={onPress}
+      style={rootStyle}
+    >
+      <View style={outlineStyle}>{props.value && <View style={fillStyle} />}</View>
+      <Text text={props.text} tx={props.tx} numberOfLines={numberOfLines} style={LABEL} />
+    </TouchableOpacity>
+  )
+}
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