Added Android code

[wl-app.git] / Android / app / src / main / java / com / moiseum / wolnelektury / view / main / NavigationAdapter.java

diff --git a/Android/app/src/main/java/com/moiseum/wolnelektury/view/main/NavigationAdapter.java b/Android/app/src/main/java/com/moiseum/wolnelektury/view/main/NavigationAdapter.java
new file mode 100644 (file)
index 0000000..58f0597
--- /dev/null
+++ b/Android/app/src/main/java/com/moiseum/wolnelektury/view/main/NavigationAdapter.java
@@ -0,0 +1,82 @@
+package com.moiseum.wolnelektury.view.main;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.moiseum.wolnelektury.R;
+import com.moiseum.wolnelektury.base.WLApplication;
+import com.moiseum.wolnelektury.components.recycler.RecyclerAdapter;
+import com.moiseum.wolnelektury.components.recycler.ViewHolder;
+import com.moiseum.wolnelektury.utils.SharedPreferencesUtils;
+
+/**
+ * @author golonkos
+ */
+
+public class NavigationAdapter extends RecyclerAdapter<NavigationElement, ViewHolder<NavigationElement>> {
+
+       private static int TYPE_ITEM = 0;
+       private static int TYPE_SEPARATOR = 1;
+       private static int TYPE_SUPPORT = 2;
+       private static int TYPE_BLANK = 3;
+
+       private final SupportUsListener supportUsListener;
+
+       private final SharedPreferencesUtils preferences = WLApplication.getInstance().getPreferences();
+
+       NavigationAdapter(Context context, SupportUsListener supportUsListener) {
+               super(context, Selection.SINGLE);
+               this.supportUsListener = supportUsListener;
+               setItems(NavigationElement.valuesForNavigation());
+       }
+
+       @Override
+       public int getItemViewType(int position) {
+               NavigationElement element = getItem(position);
+               if (element.requiresLogin() && !preferences.isUserLoggedIn()) {
+                       return TYPE_BLANK;
+               }
+
+               switch (element) {
+                       case SEPARATOR:
+                               return TYPE_SEPARATOR;
+                       case SUPPORT_US:
+                               return TYPE_SUPPORT;
+                       default:
+                               return TYPE_ITEM;
+               }
+       }
+
+       @NonNull
+       @Override
+       public ViewHolder<NavigationElement> onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+               if (viewType == TYPE_SEPARATOR) {
+                       return new SeparatorViewHolder(inflate(R.layout.navigation_separator_item, parent));
+               }
+               if (viewType == TYPE_SUPPORT) {
+                       return new SupportViewHolder(inflate(R.layout.navigation_support_item, parent), supportUsListener);
+               }
+               if (viewType == TYPE_BLANK) {
+                       return new NavigationBlankViewHolder(inflate(R.layout.navigation_blank, parent));
+               }
+               return new NavigationViewHolder(inflate(R.layout.navigation_item, parent));
+       }
+
+       @Override
+       protected String getItemId(NavigationElement item) {
+               return item.name();
+       }
+
+       @Override
+       protected void onItemClicked(View view, NavigationElement item, int position) {
+               if (item != NavigationElement.SEPARATOR && item != NavigationElement.SUPPORT_US) {
+                       super.onItemClicked(view, item, position);
+               }
+       }
+
+       interface SupportUsListener {
+               void onSupportUsClicked();
+       }
+}