Adds ability editor.

app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditAbilitiesFragment.java

@@ -0,0 +1,89 @@
+package com.majinnaibu.monstercards.ui.editmonster;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.NavBackStackEntry;
+import androidx.navigation.NavController;
+import androidx.navigation.NavDirections;
+import androidx.navigation.Navigation;
+import androidx.recyclerview.widget.DividerItemDecoration;
+import androidx.recyclerview.widget.ItemTouchHelper;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.majinnaibu.monstercards.R;
+import com.majinnaibu.monstercards.models.Trait;
+import com.majinnaibu.monstercards.ui.shared.MCFragment;
+import com.majinnaibu.monstercards.ui.shared.SwipeToDeleteCallback;
+import com.majinnaibu.monstercards.utils.Logger;
+
+public class EditAbilitiesFragment extends MCFragment {
+    private EditMonsterViewModel mViewModel;
+    private ViewHolder mHolder;
+
+    private void navigateToEditAbility(Trait trait) {
+        NavDirections action = EditAbilitiesFragmentDirections.actionEditAbilitiesFragmentToEditAbilityFragment(trait.description, trait.name);
+        Navigation.findNavController(requireView()).navigate(action);
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        NavController navController = Navigation.findNavController(requireActivity(), R.id.nav_host_fragment);
+        NavBackStackEntry backStackEntry = navController.getBackStackEntry(R.id.edit_monster_navigation);
+        mViewModel = new ViewModelProvider(backStackEntry).get(EditMonsterViewModel.class);
+        View root = inflater.inflate(R.layout.fragment_edit_abilities_list, container, false);
+        mHolder = new ViewHolder(root);
+        setupRecyclerView(mHolder.list);
+        setupAddAbilityButton(mHolder.addAbility);
+        return root;
+    }
+
+    private void setupRecyclerView(@NonNull RecyclerView recyclerView) {
+        Context context = requireContext();
+        LinearLayoutManager layoutManager = new LinearLayoutManager(context);
+        recyclerView.setLayoutManager(layoutManager);
+
+        mViewModel.getAbilities().observe(getViewLifecycleOwner(), abilities -> {
+            EditAbilitiesRecyclerViewAdapter adapter = new EditAbilitiesRecyclerViewAdapter(abilities, ability -> {
+                if (ability != null) {
+                    navigateToEditAbility(ability);
+                } else {
+                    Logger.logError("Can't navigate to EditAbilityFragment with a null ability");
+                }
+            });
+            recyclerView.setAdapter(adapter);
+        });
+
+        DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(context, layoutManager.getOrientation());
+        recyclerView.addItemDecoration(dividerItemDecoration);
+
+        ItemTouchHelper itemTouchHelper = new ItemTouchHelper(new SwipeToDeleteCallback(context, mViewModel::removeAbility));
+        itemTouchHelper.attachToRecyclerView(recyclerView);
+    }
+
+    private void setupAddAbilityButton(@NonNull FloatingActionButton fab) {
+        fab.setOnClickListener(view -> {
+            Trait ability = mViewModel.addNewAbility();
+            navigateToEditAbility(ability);
+        });
+    }
+
+    private static class ViewHolder {
+        RecyclerView list;
+        FloatingActionButton addAbility;
+
+        ViewHolder(View root) {
+            list = root.findViewById(R.id.list);
+            addAbility = root.findViewById(R.id.add_ability);
+        }
+    }
+}

app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditAbilitiesRecyclerViewAdapter.java

@@ -0,0 +1,67 @@
+package com.majinnaibu.monstercards.ui.editmonster;
+
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.majinnaibu.monstercards.databinding.FragmentEditAbilitiesListItemBinding;
+import com.majinnaibu.monstercards.models.Trait;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class EditAbilitiesRecyclerViewAdapter extends RecyclerView.Adapter<EditAbilitiesRecyclerViewAdapter.ViewHolder> {
+    private final List<Trait> mValues;
+    private final ItemCallback mOnClick;
+
+    public EditAbilitiesRecyclerViewAdapter(List<Trait> items, ItemCallback onClick) {
+        mValues = items;
+        mOnClick = onClick;
+    }
+
+    @NotNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NotNull ViewGroup parent, int viewType) {
+        return new ViewHolder(FragmentEditAbilitiesListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(final ViewHolder holder, int position) {
+        holder.mItem = mValues.get(position);
+        holder.mContentView.setText(mValues.get(position).name);
+        holder.itemView.setOnClickListener(v -> {
+            if (mOnClick != null) {
+                mOnClick.onItemCallback(holder.mItem);
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return mValues.size();
+    }
+
+    public interface ItemCallback {
+        void onItemCallback(Trait trait);
+    }
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        public final TextView mContentView;
+        public Trait mItem;
+
+        public ViewHolder(FragmentEditAbilitiesListItemBinding binding) {
+            super(binding.getRoot());
+            mContentView = binding.content;
+        }
+
+        @NotNull
+        @Override
+        public String toString() {
+            return super.toString() + " '" + mContentView.getText() + "'";
+        }
+
+    }
+}

app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditAbilityFragment.java

@@ -0,0 +1,82 @@
+package com.majinnaibu.monstercards.ui.editmonster;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+
+import androidx.activity.OnBackPressedCallback;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.NavBackStackEntry;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+
+import com.majinnaibu.monstercards.R;
+import com.majinnaibu.monstercards.models.Trait;
+import com.majinnaibu.monstercards.ui.shared.MCFragment;
+import com.majinnaibu.monstercards.utils.Logger;
+import com.majinnaibu.monstercards.utils.TextChangedListener;
+
+public class EditAbilityFragment extends MCFragment {
+    private EditMonsterViewModel mEditMonsterViewModel;
+    private EditTraitViewModel mViewModel;
+    private ViewHolder mHolder;
+    private Trait mOldValue;
+
+    @Override
+    public void onCreate(@Nullable @org.jetbrains.annotations.Nullable Bundle savedInstanceState) {
+        mViewModel = new ViewModelProvider(this).get(EditTraitViewModel.class);
+        if (getArguments() != null) {
+            EditAbilityFragmentArgs args = EditAbilityFragmentArgs.fromBundle(getArguments());
+            mOldValue = new Trait(args.getName(), args.getDescription());
+            mViewModel.copyFromTrait(mOldValue);
+        } else {
+            Logger.logWTF("EditAbilityFragment needs arguments");
+            mOldValue = null;
+        }
+
+        super.onCreate(savedInstanceState);
+    }
+
+    @Nullable
+    @org.jetbrains.annotations.Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        NavController navController = Navigation.findNavController(requireActivity(), R.id.nav_host_fragment);
+        NavBackStackEntry backStackEntry = navController.getBackStackEntry(R.id.edit_monster_navigation);
+        mEditMonsterViewModel = new ViewModelProvider(backStackEntry).get(EditMonsterViewModel.class);
+        View root = inflater.inflate(R.layout.fragment_edit_trait, container, false);
+        mHolder = new ViewHolder(root);
+
+        mHolder.name.setText(mViewModel.getNameAsString());
+        mHolder.name.addTextChangedListener(new TextChangedListener((TextChangedListener.OnTextChangedCallback) (s, start, before, count) -> mViewModel.setName(s.toString())));
+
+        mHolder.description.setText(mViewModel.getDescriptionAsString());
+        mHolder.description.addTextChangedListener(new TextChangedListener((TextChangedListener.OnTextChangedCallback) (s, start, before, count) -> mViewModel.setDescription(s.toString())));
+
+        requireActivity().getOnBackPressedDispatcher().addCallback(getViewLifecycleOwner(), new OnBackPressedCallback(true) {
+            @Override
+            public void handleOnBackPressed() {
+                if (mViewModel.hasChanges()) {
+                    mEditMonsterViewModel.replaceAbility(mOldValue, mViewModel.getAbilityValue());
+                }
+                Navigation.findNavController(requireView()).navigateUp();
+            }
+        });
+
+        return root;
+    }
+
+    private static class ViewHolder {
+        EditText description;
+        EditText name;
+
+        ViewHolder(View root) {
+            description = root.findViewById(R.id.description);
+            name = root.findViewById(R.id.name);
+        }
+    }
+}

app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditMonsterFragment.java

@@ -145,6 +145,11 @@ public class EditMonsterFragment extends MCFragment {
             Navigation.findNavController(requireView()).navigate(action);
         });
 
+        mHolder.abilities.setOnClickListener(v -> {
+            NavDirections action = EditMonsterFragmentDirections.actionEditMonsterFragmentToEditAbilitiesFragment();
+            Navigation.findNavController(requireView()).navigate(action);
+        });
+
         requireActivity().getOnBackPressedDispatcher().addCallback(getViewLifecycleOwner(), new OnBackPressedCallback(true) {
             @Override
             public void handleOnBackPressed() {

app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditTraitViewModel.java

@@ -0,0 +1,61 @@
+package com.majinnaibu.monstercards.ui.editmonster;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import com.majinnaibu.monstercards.models.Trait;
+import com.majinnaibu.monstercards.ui.shared.ChangeTrackedViewModel;
+import com.majinnaibu.monstercards.utils.ChangeTrackedLiveData;
+
+public class EditTraitViewModel extends ChangeTrackedViewModel {
+    private final ChangeTrackedLiveData<String> mName;
+    private final ChangeTrackedLiveData<String> mDescription;
+    private final MutableLiveData<Trait> mAbility;
+
+    public EditTraitViewModel() {
+        super();
+        mName = new ChangeTrackedLiveData<>("", this::makeDirty);
+        mDescription = new ChangeTrackedLiveData<>("", this::makeDirty);
+        mAbility = new MutableLiveData<>(makeAbility());
+    }
+
+    public LiveData<String> getName() {
+        return mName;
+    }
+
+    public void setName(String name) {
+        mName.setValue(name);
+        mAbility.setValue(makeAbility());
+    }
+
+    public String getNameAsString() {
+        return mName.getValue();
+    }
+
+    public LiveData<String> getDescription() {
+        return mDescription;
+    }
+
+    public void setDescription(String description) {
+        mDescription.setValue(description);
+        mAbility.setValue(makeAbility());
+    }
+
+    public String getDescriptionAsString() {
+        return mDescription.getValue();
+    }
+
+    public Trait getAbilityValue() {
+        return mAbility.getValue();
+    }
+
+    public void copyFromTrait(Trait trait) {
+        makeClean();
+        mName.resetValue(trait.name);
+        mDescription.resetValue(trait.description);
+    }
+
+    private Trait makeAbility() {
+        return new Trait(mName.getValue(), mDescription.getValue());
+    }
+}

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

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.editmonster.EditAbilitiesFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:divider="?android:attr/dividerVertical"
+        android:dividerPadding="@dimen/text_margin"
+        app:layoutManager="LinearLayoutManager"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:listitem="@layout/fragment_edit_abilities_list_item" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/add_ability"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/fab_margin"
+        android:contentDescription="@string/action_add_ability"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:srcCompat="@android:drawable/ic_input_add"
+        app:tint="@android:color/white" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal">
+
+    <TextView
+        android:id="@+id/content"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/text_margin"
+        android:textAppearance="?attr/textAppearanceListItem" />
+</LinearLayout>

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

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/text_margin">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/name"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/label_name"
+            android:importantForAutofill="no"
+            android:inputType="text"
+            tools:text="John Doe" />
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/text_margin">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/description"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/label_description"
+            android:importantForAutofill="no"
+            android:inputType="text"
+            tools:text="John Doe" />
+    </com.google.android.material.textfield.TextInputLayout>
+</LinearLayout>

app/src/main/res/navigation/mobile_navigation.xml

@@ -111,6 +111,9 @@
             <action
                 android:id="@+id/action_editMonsterFragment_to_editLanguagesFragment"
                 app:destination="@id/editLanguagesFragment" />
+            <action
+                android:id="@+id/action_editMonsterFragment_to_editAbilitiesFragment"
+                app:destination="@id/editAbilitiesFragment" />
         </fragment>
         <fragment
             android:id="@+id/editBasicInfoFragment"
@@ -275,5 +278,24 @@
                 android:name="canSpeak"
                 app:argType="boolean" />
         </fragment>
+        <fragment
+            android:id="@+id/editAbilitiesFragment"
+            android:name="com.majinnaibu.monstercards.ui.editmonster.EditAbilitiesFragment"
+            android:label="EditAbilitiesFragment" >
+            <action
+                android:id="@+id/action_editAbilitiesFragment_to_editAbilityFragment"
+                app:destination="@id/editAbilityFragment" />
+        </fragment>
+        <fragment
+            android:id="@+id/editAbilityFragment"
+            android:name="com.majinnaibu.monstercards.ui.editmonster.EditAbilityFragment"
+            android:label="EditAbilityFragment" >
+            <argument
+                android:name="description"
+                app:argType="string" />
+            <argument
+                android:name="name"
+                app:argType="string" />
+        </fragment>
     </navigation>
 </navigation>

app/src/main/res/values/strings.xml

@@ -1,4 +1,5 @@
 <resources>
+    <string name="action_add_ability">Add Ability</string>
     <string name="action_add_condition_immunity">Add Condition</string>
     <string name="action_add_damage_type">Add Damage Type</string>
     <string name="action_add_language">Add Language</string>