Add basic sorting by label

Might need some additional testing

Closes #12

app/src/main/java/org/shadowice/flocke/andotp/EntriesCardAdapter.java

@@ -46,16 +46,23 @@ import org.shadowice.flocke.andotp.ItemTouchHelper.ItemTouchHelperAdapter;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Comparator;
 
 public class EntriesCardAdapter extends RecyclerView.Adapter<EntryViewHolder>
     implements ItemTouchHelperAdapter, Filterable {
 
+    public enum SortMode {
+        UNSORTED, LABEL
+    }
+
     private Context context;
     private SharedPreferences sharedPrefs;
     private EntryFilter filter;
     private ArrayList<Entry> entries;
     private ArrayList<Entry> displayedEntries;
-    public Callback callback;
+    private Callback callback;
+
+    private SortMode sortMode = SortMode.UNSORTED;
 
     public EntriesCardAdapter(Context context) {
         this.context = context;
@@ -83,11 +90,7 @@ public class EntriesCardAdapter extends RecyclerView.Adapter<EntryViewHolder>
     }
 
     public void entriesChanged() {
-        if (displayedEntries != null)
+        displayedEntries = sortEntries(entries);
-            displayedEntries.clear();
-
-        displayedEntries = entries;
-
         notifyDataSetChanged();
     }
 
@@ -156,10 +159,14 @@ public class EntriesCardAdapter extends RecyclerView.Adapter<EntryViewHolder>
 
     @Override
     public boolean onItemMove(int fromPosition, int toPosition) {
-        Collections.swap(entries, fromPosition, toPosition);
+        if (sortMode == SortMode.UNSORTED && displayedEntries.equals(entries)) {
-        notifyItemMoved(fromPosition, toPosition);
+            Collections.swap(entries, fromPosition, toPosition);
 
-        DatabaseHelper.saveDatabase(context, entries);
+            displayedEntries = new ArrayList<>(entries);
+            notifyItemMoved(fromPosition, toPosition);
+
+            DatabaseHelper.saveDatabase(context, entries);
+        }
 
         return true;
     }
@@ -187,7 +194,12 @@ public class EntriesCardAdapter extends RecyclerView.Adapter<EntryViewHolder>
                         String newLabel = input.getEditableText().toString();
 
                         displayedEntries.get(pos).setLabel(newLabel);
-                        notifyItemChanged(pos);
+                        if (sortMode == SortMode.LABEL) {
+                            displayedEntries = sortEntries(displayedEntries);
+                            notifyDataSetChanged();
+                        } else {
+                            notifyItemChanged(pos);
+                        }
 
                         entries.get(realIndex).setLabel(newLabel);
                         DatabaseHelper.saveDatabase(context, entries);
@@ -260,6 +272,25 @@ public class EntriesCardAdapter extends RecyclerView.Adapter<EntryViewHolder>
         Toast.makeText(context, R.string.toast_copied_to_clipboard, Toast.LENGTH_LONG).show();
     }
 
+    public void setSortMode(SortMode mode) {
+        this.sortMode = mode;
+        entriesChanged();
+    }
+
+    public SortMode getSortMode() {
+        return this.sortMode;
+    }
+
+    private ArrayList<Entry> sortEntries(ArrayList<Entry> unsorted) {
+        ArrayList<Entry> sorted = new ArrayList<>(unsorted);
+
+        if (sortMode == SortMode.LABEL) {
+            Collections.sort(sorted, new LabelComparator());
+        }
+
+        return sorted;
+    }
+
     public void setCallback(Callback cb) {
         this.callback = cb;
     }
@@ -295,11 +326,18 @@ public class EntriesCardAdapter extends RecyclerView.Adapter<EntryViewHolder>
 
         @Override
         protected void publishResults(CharSequence constraint, FilterResults results) {
-            displayedEntries = (ArrayList<Entry>) results.values;
+            displayedEntries = sortEntries((ArrayList<Entry>) results.values);
             notifyDataSetChanged();
         }
     }
 
+    public class LabelComparator implements Comparator<Entry> {
+        @Override
+        public int compare(Entry o1, Entry o2) {
+            return o1.getLabel().compareTo(o2.getLabel());
+        }
+    }
+
     public interface Callback {
         void onMoveEventStart();
         void onMoveEventStop();

app/src/main/java/org/shadowice/flocke/andotp/MainActivity.java

@@ -63,6 +63,7 @@ public class MainActivity extends BaseActivity
     private EntriesCardAdapter adapter;
     private FloatingActionMenu floatingActionMenu;
     private SearchView searchView;
+    private MenuItem sortMenu;
     private SimpleItemTouchHelperCallback touchHelperCallback;
 
     private SharedPreferences sharedPref;
@@ -319,6 +320,8 @@ public class MainActivity extends BaseActivity
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.menu_main, menu);
 
+        sortMenu = menu.findItem(R.id.menu_sort);
+
         MenuItem searchItem = menu.findItem(R.id.menu_search);
         searchView = (SearchView) searchItem.getActionView();
         searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@@ -339,13 +342,18 @@ public class MainActivity extends BaseActivity
             public boolean onMenuItemActionExpand(MenuItem item) {
                 floatingActionMenu.hide();
                 touchHelperCallback.setDragEnabled(false);
+                if (sortMenu != null)
+                    sortMenu.setVisible(false);
                 return true;
             }
 
             @Override
             public boolean onMenuItemActionCollapse(MenuItem item) {
                 floatingActionMenu.show();
-                touchHelperCallback.setDragEnabled(true);
+                if (adapter == null || adapter.getSortMode() == EntriesCardAdapter.SortMode.UNSORTED)
+                    touchHelperCallback.setDragEnabled(true);
+                if (sortMenu != null)
+                    sortMenu.setVisible(true);
                 return true;
             }
         });
@@ -367,7 +375,20 @@ public class MainActivity extends BaseActivity
             Intent aboutIntent = new Intent(this, AboutActivity.class);
             startActivity(aboutIntent);
             return true;
+        } else if (id == R.id.menu_sort_none) {
+            item.setChecked(true);
+            if (adapter != null) {
+                adapter.setSortMode(EntriesCardAdapter.SortMode.UNSORTED);
+                touchHelperCallback.setDragEnabled(true);
+            }
+        } else if (id == R.id.menu_sort_label) {
+            item.setChecked(true);
+            if (adapter != null) {
+                adapter.setSortMode(EntriesCardAdapter.SortMode.LABEL);
+                touchHelperCallback.setDragEnabled(false);
+            }
         }
+
         return super.onOptionsItemSelected(item);
     }
 }

app/src/main/res/drawable/ic_sort_white.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M3,18h6v-2L3,16v2zM3,6v2h18L21,6L3,6zM3,13h12v-2L3,11v2z"/>
+</vector>

app/src/main/res/menu/menu_main.xml

@@ -1,6 +1,27 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <item
+        android:id="@+id/menu_sort"
+        android:title="@string/menu_main_sort"
+        android:icon="@drawable/ic_sort_white"
+        app:showAsAction="always" >
+
+        <menu>
+            <group android:checkableBehavior="single">
+                <item
+                    android:id="@+id/menu_sort_none"
+                    android:title="@string/menu_sort_none"
+                    android:checked="true" />
+
+                <item
+                    android:id="@+id/menu_sort_label"
+                    android:title="@string/menu_sort_label" />
+            </group>
+        </menu>
+
+    </item>
+
     <item
         android:id="@+id/menu_search"
         android:title="@string/menu_main_search"

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

@@ -27,6 +27,10 @@
     <string name="menu_main_backup">Backup</string>
     <string name="menu_main_search">Search</string>
     <string name="menu_main_settings">Settings</string>
+    <string name="menu_main_sort">Sort</string>
+
+    <string name="menu_sort_none">Unsorted</string>
+    <string name="menu_sort_label">Label</string>
 
     <string name="menu_popup_edit_label">Edit label</string>
     <string name="menu_popup_remove">Remove</string>