From e8587757ced208708311d80838c9b24777f8edbb Mon Sep 17 00:00:00 2001
From: Justin Shillingford <jgs272@cornell.edu>
Date: Mon, 29 Jun 2020 16:13:29 -0400
Subject: Created LoginInput Component

---
 src/components/common/LoginInput.tsx |  58 ++++++++++
 src/routes/Routes.tsx                |   6 +-
 src/screens/Login.tsx                | 205 ++++++++++++++++++-----------------
 3 files changed, 169 insertions(+), 100 deletions(-)
 create mode 100644 src/components/common/LoginInput.tsx

(limited to 'src')

diff --git a/src/components/common/LoginInput.tsx b/src/components/common/LoginInput.tsx
new file mode 100644
index 00000000..ca33db92
--- /dev/null
+++ b/src/components/common/LoginInput.tsx
@@ -0,0 +1,58 @@
+import React from 'react';
+import {TextInput, StyleSheet} from 'react-native';
+import PropTypes from 'prop-types';
+
+const LoginInput = (props: LoginInputProps) => {
+  return (
+    <TextInput
+      accessibilityLabel={
+        props.isUsername ? 'Username text entry box' : 'Password text entry box'
+      }
+      accessibilityHint={
+        props.isUsername
+          ? 'Enter your tagg username here'
+          : 'Enter your tagg password here'
+      }
+      style={styles.credentials}
+      placeholder={props.isUsername ? 'Username' : 'Password'}
+      placeholderTextColor="#FFFFFF"
+      autoCompleteType={props.isUsername ? 'username' : 'password'}
+      textContentType={props.isUsername ? 'username' : 'password'}
+      returnKeyType={props.isUsername ? 'next' : 'go'}
+      keyboardType={props.isUsername ? 'ascii-capable' : 'default'}
+      onChangeText={(input) => props.onChangeText(input)}
+      defaultValue={props.type}
+      onSubmitEditing={props.onSubmitEditing}
+      blurOnSubmit={props.isUsername ? false : undefined}
+      //   ref={props.isUsername ? undefined : useRef()}
+      secureTextEntry={props.isUsername ? false : true}
+      focus={props.isUsername ? undefined : props.focusPasswordInput}
+    />
+  );
+};
+
+const styles = StyleSheet.create({
+  credentials: {
+    top: 190,
+    width: 248,
+    height: 40,
+    fontSize: 20,
+    color: '#FFFFFF',
+    borderColor: '#FFFDFD',
+    borderWidth: 2,
+    borderRadius: 20,
+    paddingLeft: 13,
+    marginVertical: 15,
+  },
+});
+
+LoginInput.propTypes = {
+  type: PropTypes.string.isRequired,
+  isUsername: PropTypes.bool.isRequired,
+  onChangeText: PropTypes.func.isRequired,
+  onSubmitEditing: PropTypes.func,
+  ref: PropTypes.any,
+  focusPasswordInput: PropTypes.bool,
+};
+
+export default LoginInput;
diff --git a/src/routes/Routes.tsx b/src/routes/Routes.tsx
index 0b08cbb1..d96c1d80 100644
--- a/src/routes/Routes.tsx
+++ b/src/routes/Routes.tsx
@@ -15,7 +15,11 @@ interface RoutesProps {}
 const Routes: React.FC<RoutesProps> = ({}) => {
   return (
     <RootStack.Navigator initialRouteName="Login">
-      <RootStack.Screen name="Login" component={Login} options={ { headerShown: false} }/>
+      <RootStack.Screen
+        name="Login"
+        component={Login}
+        options={{headerShown: false}}
+      />
       <RootStack.Screen name="Registration" component={Registration} />
     </RootStack.Navigator>
   );
diff --git a/src/screens/Login.tsx b/src/screens/Login.tsx
index 672fd035..2b4a10dc 100644
--- a/src/screens/Login.tsx
+++ b/src/screens/Login.tsx
@@ -1,20 +1,21 @@
-import React, { useRef } from 'react';
+import React from 'react';
 import {RouteProp} from '@react-navigation/native';
 import {StackNavigationProp} from '@react-navigation/stack';
 import {
-        View,
-        Text,
-        Alert,
-        StatusBar,
-        Image,
-        TextInput,
-        TouchableOpacity,
-        StyleSheet      
+  View,
+  Text,
+  Alert,
+  StatusBar,
+  Image,
+  TouchableOpacity,
+  StyleSheet,
 } from 'react-native';
 
 import {RootStackParams} from '../routes';
 import LinearGradient from 'react-native-linear-gradient';
 
+import LoginInput from '../components/common/LoginInput';
+
 type LoginScreenRouteProp = RouteProp<RootStackParams, 'Login'>;
 type LoginScreenNavigationProp = StackNavigationProp<RootStackParams, 'Login'>;
 
@@ -23,137 +24,143 @@ interface LoginProps {
   navigation: LoginScreenNavigationProp;
 }
 const Login = ({navigation}: LoginProps) => {
-  const passwordInput = useRef();
+  // const passwordInput = useRef();
   const [data, setData] = React.useState({
     username: '',
     password: '',
     isValidUser: true,
     isValidPassword: true,
-  })
+    focusPasswordInput: false,
+  });
 
   /*
     Updates the state of username. Also verifies the input of the Username field.
   */
-  const handleUsernameUpdate = (val:string) => {
-    var validLength:boolean = val.trim().length >= 6
+  const handleUsernameUpdate = (val: string) => {
+    var validLength: boolean = val.trim().length >= 6;
 
     if (validLength) {
       setData({
         ...data,
         username: val,
-        isValidUser: true
-      })
-    }
-    else {
+        isValidUser: true,
+      });
+    } else {
       setData({
         ...data,
         username: val,
-        isValidUser: false
-      })
+        isValidUser: false,
+      });
     }
-  }
+  };
 
   /*
     Updates the state of password. Also verifies the input of the Password field.
   */
-  const handlePasswordUpdate = (val:string) => {
-    var validLength:boolean = val.trim().length >= 8
+  const handlePasswordUpdate = (val: string) => {
+    var validLength: boolean = val.trim().length >= 8;
 
     if (validLength) {
       setData({
         ...data,
         password: val,
-        isValidPassword: true
-      })
-    }
-    else {
+        isValidPassword: true,
+      });
+    } else {
       setData({
         ...data,
         password: val,
-        isValidPassword: false
-      })
-     }
-  }
+        isValidPassword: false,
+      });
+    }
+  };
 
   /*
     Handler for the Let's Start button or the Go button on the keyboard.
   */
   const handleLogin = () => {
     if (data.isValidUser && data.isValidPassword) {
-      Alert.alert(`My favorite Girl Scout Cookies are taggalongs! What are yours ${data.username}?`)
-      navigation.navigate('Registration')
+      Alert.alert(
+        `My favorite Girl Scout Cookies are taggalongs! What are yours ${data.username}?`,
+      );
+      navigation.navigate('Registration');
     }
-  }
-  
+  };
+
+  const handleUsernameSubmit = () => {
+    setData({
+      ...data,
+      focusPasswordInput: true,
+    });
+  };
+
   return (
     <>
-      <StatusBar
-        barStyle='light-content'
-      />
+      <StatusBar barStyle="light-content" />
       <View style={styles.container}>
         <LinearGradient
           colors={['#8F00FF', '#6EE7E7']}
           style={styles.linearGradient}
           useAngle={true}
           angle={154.72}
-          angleCenter={{x:0.5,y:0.5}}>
-            <Image
-              source={require('../assets/images/logo.png')}
-              style={styles.logo}
-            />
-            <TextInput
-              accessibilityLabel="Username text entry box"
-              accessibilityHint="Enter your tagg username here"
-              style={styles.credentials}
-              placeholder="Username"
-              placeholderTextColor='#FFFFFF'
-              autoCompleteType='username'
-              textContentType='username'
-              returnKeyType='next'
-              keyboardType='ascii-capable'
-              onChangeText={user => handleUsernameUpdate(user)}
-              defaultValue={data.username}
-              onSubmitEditing={() => {passwordInput.current.focus()}}
-              blurOnSubmit={false}
-            />
-            { data.isValidUser ? null : 
-              <Text style={styles.invalidCredentials}>Username must be at least 6 characters long.</Text>
-            }
-            <TextInput
-              accessibilityLabel="Password text entry box"
-              accessibilityHint="Enter your tagg password here"
-              style={styles.credentials}
-              placeholder="Password"
-              placeholderTextColor='#FFFFFF'
-              autoCompleteType='password'
-              textContentType='password'
-              returnKeyType='go'
-              onChangeText={pass => handlePasswordUpdate(pass)}
-              defaultValue={data.password}
-              onSubmitEditing={() => handleLogin()}
-              ref={passwordInput}
-              secureTextEntry={true}
-            />
-            { data.isValidPassword ? null : 
-              <Text style={styles.invalidCredentials}>Password must be at least 8 characters long.</Text>
-            }
-            <TouchableOpacity
-              accessibilityLabel="Forgot password button"
-              accessibilityHint="Select this if you forgot your tagg password"
-              style={styles.forgotPassword}
-              onPress={() => Alert.alert("tagg! You're it!")}>
-                <Text style={styles.forgotPasswordText}>Forgot password</Text>
-            </TouchableOpacity>
-            <TouchableOpacity
-              accessibilityLabel="Let's start button"
-              accessibilityHint="Select this after entering your tagg username and password"
-              style={styles.start}
-              onPress={() => handleLogin()}>
-                <Text style={styles.startText}>Let's Start!</Text>
-            </TouchableOpacity>
-            <Text accessible={true} accessibilityLabel="New to tagg?" style={styles.newUser}>
-              New to tagg? <Text accessible={true} accessibilityLabel="Get started" accessibilityHint="Select this if you do not have a tagg account" style={styles.getStarted} onPress={() => Alert.alert("I get the tagg flip it and tumble it.")}>Get started!</Text>
+          angleCenter={{x: 0.5, y: 0.5}}>
+          <Image
+            source={require('../assets/images/logo.png')}
+            style={styles.logo}
+          />
+          <LoginInput
+            type={data.username}
+            isUsername={true}
+            onChangeText={(user) => handleUsernameUpdate(user)}
+            onSubmitEditing={() => handleUsernameSubmit()}
+          />
+          {data.isValidUser ? null : (
+            <Text style={styles.invalidCredentials}>
+              Username must be at least 6 characters long.
             </Text>
+          )}
+          <LoginInput
+            type={data.password}
+            isUsername={false}
+            onChangeText={(user) => handlePasswordUpdate(user)}
+            focusPasswordInput={data.focusPasswordInput}
+            onSubmitEditing={() => handleLogin()}
+          />
+          {data.isValidPassword ? null : (
+            <Text style={styles.invalidCredentials}>
+              Password must be at least 8 characters long.
+            </Text>
+          )}
+          <TouchableOpacity
+            accessibilityLabel="Forgot password button"
+            accessibilityHint="Select this if you forgot your tagg password"
+            style={styles.forgotPassword}
+            onPress={() => Alert.alert("tagg! You're it!")}>
+            <Text style={styles.forgotPasswordText}>Forgot password</Text>
+          </TouchableOpacity>
+          <TouchableOpacity
+            accessibilityLabel="Let's start button"
+            accessibilityHint="Select this after entering your tagg username and password"
+            style={styles.start}
+            onPress={() => handleLogin()}>
+            <Text style={styles.startText}>Let's Start!</Text>
+          </TouchableOpacity>
+          <Text
+            accessible={true}
+            accessibilityLabel="New to tagg?"
+            style={styles.newUser}>
+            New to tagg?{' '}
+            <Text
+              accessible={true}
+              accessibilityLabel="Get started"
+              accessibilityHint="Select this if you do not have a tagg account"
+              style={styles.getStarted}
+              onPress={() =>
+                Alert.alert('I get the tagg flip it and tumble it.')
+              }>
+              Get started!
+            </Text>
+          </Text>
         </LinearGradient>
       </View>
     </>
@@ -210,7 +217,7 @@ const styles = StyleSheet.create({
     alignItems: 'center',
     backgroundColor: '#FFFFFF',
     borderRadius: 20,
-    marginTop: 15
+    marginTop: 15,
   },
   startText: {
     fontSize: 15,
@@ -219,7 +226,7 @@ const styles = StyleSheet.create({
   },
   getStarted: {
     color: '#FFFFFF',
-    textDecorationLine: 'underline'
+    textDecorationLine: 'underline',
   },
   newUser: {
     top: 240,
@@ -227,8 +234,8 @@ const styles = StyleSheet.create({
   },
   invalidCredentials: {
     top: 180,
-    color: '#F4DDFF'
-  }
+    color: '#F4DDFF',
+  },
 });
 
-export default Login;
\ No newline at end of file
+export default Login;
-- 
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