ProfileEdit: Finish writing code-behind

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

app/src/main/java/com/wireguard/android/ProfileEditActivity.java

@@ -1,6 +1,8 @@
 package com.wireguard.android;
 
+import android.app.Fragment;
 import android.content.Intent;
+import android.os.Bundle;
 import android.view.MenuItem;
 
 /**
@@ -8,6 +10,14 @@ import android.view.MenuItem;
  */
 
 public class ProfileEditActivity extends ProfileActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.profile_edit_activity);
+        Fragment editFragment = getFragmentManager().findFragmentByTag(TAG_EDIT);
+        ((ProfileEditFragment) editFragment).setProfile(getCurrentProfile());
+    }
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {

app/src/main/java/com/wireguard/android/ProfileEditFragment.java

@@ -1,8 +1,59 @@
 package com.wireguard.android;
 
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.wireguard.android.databinding.ProfileEditFragmentBinding;
+import com.wireguard.config.Profile;
+
 /**
  * Fragment for editing a WireGuard profile.
  */
 
 public class ProfileEditFragment extends ProfileFragment {
+    private ProfileEditFragmentBinding binding;
+    private Profile copy;
+
+    @Override
+    protected void onCachedProfileChanged(Profile cachedProfile) {
+        copy = cachedProfile != null ? cachedProfile.copy() : null;
+        if (binding != null)
+            binding.setProfile(copy);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.profile_edit, menu);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
+        binding = ProfileEditFragmentBinding.inflate(inflater, parent, false);
+        binding.setProfile(copy);
+        return binding.getRoot();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_action_save:
+                final ProfileServiceInterface service = getService();
+                if (service != null)
+                    service.saveProfile(getProfile(), copy);
+                return true;
+            default:
+                return false;
+        }
+    }
 }

app/src/main/res/layout/profile_edit_activity.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<fragment xmlns:android="http://schemas.android.com/apk/res/android"
+    android:name="com.wireguard.android.ProfileEditFragment"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:tag="edit" />

app/src/main/res/layout/profile_edit_fragment.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+
+        <variable
+            name="profile"
+            type="com.wireguard.config.Profile" />
+    </data>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="16dp">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/profile_name_label"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_alignParentTop="true"
+                android:labelFor="@+id/profile_name_text"
+                android:text="@string/profile_name" />
+
+            <EditText
+                android:id="@+id/profile_name_text"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_below="@+id/profile_name_label"
+                android:inputType="textCapWords"
+                android:text="@={profile.name}" />
+        </RelativeLayout>
+    </ScrollView>
+</layout>