app/src/main/java/it/unisannio/ding/ids/wedroid/app/view/WListsListActivity.java

@@ -1,16 +1,23 @@
 package it.unisannio.ding.ids.wedroid.app.view;
 
 import android.content.Intent;
+import android.content.res.ColorStateList;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
 import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
 import java.util.List;
 import java.util.Objects;
 
@@ -26,7 +33,8 @@ public class WListsListActivity extends AppCompatActivity {
     int barColor;
     WListsListViewModel viewModel;
     RecyclerView recyclerView;
-
+    //SwipeRefreshLayout swipeRefreshLayout;
+    SharedPreferenceHelper sp;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -34,6 +42,8 @@ public class WListsListActivity extends AppCompatActivity {
         setContentView(R.layout.activity_wlists_view);
         myToolbar = findViewById(R.id.my_toolbar);
         setSupportActionBar(myToolbar);
+        //swipeRefreshLayout = findViewById(R.id.pullToRefresh);
+        sp = new SharedPreferenceHelper(this);
 
         Intent i = getIntent();
         String boardTitle = i.getStringExtra("barTitle");
@@ -44,10 +54,19 @@ public class WListsListActivity extends AppCompatActivity {
         myToolbar.setBackgroundColor(barColor);
 
         recyclerView = findViewById(R.id.recyclerviewWList);
-        initializeUi();
+        initializeUi(sp.getBoardId());
+
+        FloatingActionButton fab = findViewById(R.id.synchronize);
+        fab.setBackgroundTintList(ColorStateList.valueOf(barColor));
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                viewModel.refresh();
+            }
+        });
     }
 
-    private void initializeUi() {
+    private void initializeUi(final String idBoard) {
         final WListsAdapter adapter = new WListsAdapter(this);
         recyclerView.setAdapter(adapter);
         recyclerView.setLayoutManager(new LinearLayoutManager(this,
@@ -62,5 +81,37 @@ public class WListsListActivity extends AppCompatActivity {
                 adapter.setWLists(wLists);
             }
         });
+
+        swipeBottomToDelete(idBoard);
+
+     /*   BUG REPORT: Refresh of page enter in conflict with swipe down for delete list
+      * swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+            @Override
+            public void onRefresh() {
+                viewModel.refresh();
+            }
+        });*/
+    }
+
+    private void swipeBottomToDelete(final String idBoard) {
+        ItemTouchHelper.SimpleCallback simpleCallback = new ItemTouchHelper.SimpleCallback(0,
+                ItemTouchHelper.DOWN) {
+            @Override
+            public boolean onMove(@NonNull RecyclerView recyclerView,
+                                  @NonNull RecyclerView.ViewHolder viewHolder,
+                                  @NonNull RecyclerView.ViewHolder target) {
+
+                return true;
+            }
+
+            @Override
+            public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
+                int pos = viewHolder.getAdapterPosition();
+                viewModel.deleteWList(pos, idBoard);
+                Toast.makeText(getApplicationContext(), "List deleted", Toast.LENGTH_LONG).show();
+
+            }
+        };
+        new ItemTouchHelper(simpleCallback).attachToRecyclerView(recyclerView);
     }
 }

app/src/main/java/it/unisannio/ding/ids/wedroid/app/view/adapter/WListsAdapter.java

@@ -35,7 +35,7 @@ import retrofit2.Response;
 public class WListsAdapter extends RecyclerView.Adapter<WListsAdapter.WListViewHolder> {
 
     private final LayoutInflater mInflater;
-    private List<WList> mWLists; // Cached copy of words
+    private List<WList> mWLists; // Cached copy of lists
     private Context mContext;
     private ServicesFactory service;
     private SharedPreferenceHelper sp;
@@ -119,7 +119,8 @@ public class WListsAdapter extends RecyclerView.Adapter<WListsAdapter.WListViewH
 
     private void showInputDialog(final String current) {
         LayoutInflater layoutInflater = LayoutInflater.from(mContext);
-        @SuppressLint("InflateParams") View promptView = layoutInflater.inflate(R.layout.alert_new_card, null);
+        @SuppressLint("InflateParams") View promptView = layoutInflater.inflate(
+                R.layout.alert_new_card, null);
         AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(mContext);
         alertDialogBuilder.setView(promptView);
 
@@ -130,9 +131,11 @@ public class WListsAdapter extends RecyclerView.Adapter<WListsAdapter.WListViewH
 
                     public void onClick(DialogInterface dialog, int id) {
                         if(!editText.getText().toString().matches("")) {
-                            service.getSwimlanesService().getAllSwimlanes(sp.getBoardId()).enqueue(new Callback<List<Swimlane>>() {
+                            service.getSwimlanesService().getAllSwimlanes(sp.getBoardId())
+                                    .enqueue(new Callback<List<Swimlane>>() {
                                 @Override
-                                public void onResponse(@NotNull Call<List<Swimlane>> call, @NotNull Response<List<Swimlane>> response) {
+                                public void onResponse(@NotNull Call<List<Swimlane>> call,
+                                                       @NotNull Response<List<Swimlane>> response) {
                                     String idDefaultSwimlane = null;
                                     assert response.body() != null;
                                     for(Swimlane swim: response.body()){
@@ -155,7 +158,7 @@ public class WListsAdapter extends RecyclerView.Adapter<WListsAdapter.WListViewH
                                                         Toast.makeText(mContext, "card posted" ,
                                                                 Toast.LENGTH_LONG).show();
                                                     else
-                                                        Toast.makeText(mContext, "card unposted" ,
+                                                        Toast.makeText(mContext, "card doesn't posted" ,
                                                                 Toast.LENGTH_LONG).show();
                                                 }
                                                 @Override

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

@@ -13,21 +13,35 @@
         android:background="?attr/colorPrimary"
         android:elevation="4dp"
         android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
+
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
 
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/recyclerviewWList"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        android:background="@android:color/white"
+
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recyclerviewWList"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:background="@android:color/white"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintHorizontal_bias="0.0"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/my_toolbar"
+            tools:listitem="@layout/wlist_recyclerview_item" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/synchronize"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/fab_margin"
+        android:clickable="true"
+        android:focusable="true"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintHorizontal_bias="0.0"
-        app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/my_toolbar"
-        tools:listitem="@layout/wlist_recyclerview_item" />
+        app:srcCompat="@android:drawable/ic_popup_sync" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>