use requireContext instead of Objects.requireNonNull

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / CurrencySelectorFragment.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/CurrencySelectorFragment.java b/app/src/main/java/net/ktnx/mobileledger/ui/CurrencySelectorFragment.java
index 57c602b433be96ac73d9913966227ac184e9c472..76a640ce287998432b17ac64516ebb263a5429aa 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/CurrencySelectorFragment.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/CurrencySelectorFragment.java
@@ -55,10 +55,13 @@ public class CurrencySelectorFragment extends AppCompatDialogFragment
         implements OnCurrencySelectedListener, OnCurrencyLongClickListener {
 
     public static final int DEFAULT_COLUMN_COUNT = 2;
-    private static final String ARG_COLUMN_COUNT = "column-count";
+    public static final String ARG_COLUMN_COUNT = "column-count";
+    public static final String ARG_SHOW_PARAMS = "show-params";
+    public static final boolean DEFAULT_SHOW_PARAMS = true;
     private int mColumnCount = DEFAULT_COLUMN_COUNT;
-    private OnCurrencySelectedListener mListener;
     private CurrencySelectorModel model;
+    private boolean deferredShowPositionAndPadding;
+    private OnCurrencySelectedListener onCurrencySelectedListener;
 
     /**
      * Mandatory empty constructor for the fragment manager to instantiate the
@@ -68,12 +71,13 @@ public class CurrencySelectorFragment extends AppCompatDialogFragment
     }
     @SuppressWarnings("unused")
     public static CurrencySelectorFragment newInstance() {
-        return newInstance(DEFAULT_COLUMN_COUNT);
+        return newInstance(DEFAULT_COLUMN_COUNT, DEFAULT_SHOW_PARAMS);
     }
-    public static CurrencySelectorFragment newInstance(int columnCount) {
+    public static CurrencySelectorFragment newInstance(int columnCount, boolean showParams) {
         CurrencySelectorFragment fragment = new CurrencySelectorFragment();
         Bundle args = new Bundle();
         args.putInt(ARG_COLUMN_COUNT, columnCount);
+        args.putBoolean(ARG_SHOW_PARAMS, showParams);
         fragment.setArguments(args);
         return fragment;
     }
@@ -88,7 +92,7 @@ public class CurrencySelectorFragment extends AppCompatDialogFragment
     @NonNull
     @Override
     public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
-        Context context = Objects.requireNonNull(getContext());
+        Context context = requireContext();
         Dialog csd = new Dialog(context);
         csd.setContentView(R.layout.fragment_currency_selector_list);
         csd.setTitle(R.string.choose_currency_label);
@@ -102,6 +106,8 @@ public class CurrencySelectorFragment extends AppCompatDialogFragment
             recyclerView.setLayoutManager(new GridLayoutManager(context, mColumnCount));
         }
         model = new ViewModelProvider(this).get(CurrencySelectorModel.class);
+        if (onCurrencySelectedListener != null)
+            model.setOnCurrencySelectedListener(onCurrencySelectedListener);
         MobileLedgerProfile profile = Objects.requireNonNull(Data.profile.getValue());
 
         model.currencies.setValue(new CopyOnWriteArrayList<>(profile.getCurrencies()));
@@ -182,18 +188,31 @@ public class CurrencySelectorFragment extends AppCompatDialogFragment
             Data.currencyGap.setValue(checked);
         });
 
+        model.observePositionAndPaddingVisible(this, visible -> {
+            csd.findViewById(R.id.params_panel)
+               .setVisibility(visible ? View.VISIBLE : View.GONE);
+        });
+
+        if ((savedInstanceState != null) ? savedInstanceState.getBoolean(ARG_SHOW_PARAMS,
+                DEFAULT_SHOW_PARAMS) : DEFAULT_SHOW_PARAMS)
+            model.showPositionAndPadding();
+        else
+            model.hidePositionAndPadding();
+
         return csd;
     }
     public void setOnCurrencySelectedListener(OnCurrencySelectedListener listener) {
-        mListener = listener;
+        onCurrencySelectedListener = listener;
+
+        if (model != null)
+            model.setOnCurrencySelectedListener(listener);
     }
     public void resetOnCurrencySelectedListener() {
-        mListener = null;
+        model.resetOnCurrencySelectedListener();
     }
     @Override
     public void onCurrencySelected(Currency item) {
-        if (mListener != null)
-            mListener.onCurrencySelected(item);
+        model.triggerOnCurrencySelectedListener(item);
 
         dismiss();
     }
@@ -206,4 +225,10 @@ public class CurrencySelectorFragment extends AppCompatDialogFragment
         list.remove(item);
         model.currencies.setValue(list);
     }
+    public void showPositionAndPadding() {
+        deferredShowPositionAndPadding = true;
+    }
+    public void hidePositionAndPadding() {
+        deferredShowPositionAndPadding = false;
+    }
 }