Add filtering to password list

app/src/main/java/com/zeapo/pwdstore/PasswordFragment.java

@@ -126,6 +126,20 @@ public class PasswordFragment extends Fragment{
         ((ActionBarActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(false);
     }
 
+    public void filterAdapter(String filter) {
+        if (filter.isEmpty()) {
+            updateAdapter();
+            return;
+        }
+        for (int i=0; i<recyclerAdapter.getItemCount(); i++) {
+            PasswordItem item = recyclerAdapter.getValues().get(i);
+            boolean matches = item.getName().toLowerCase().contains(filter);
+            if (!matches) {
+                recyclerAdapter.remove(i);
+            }
+        }
+    }
+
     public void popBack() {
         recyclerView.scrollToPosition(scrollPosition.pop());
         recyclerAdapter.clear();

app/src/main/java/com/zeapo/pwdstore/PasswordStore.java

@@ -9,7 +9,9 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.support.v4.view.MenuItemCompat;
 import android.support.v7.app.ActionBarActivity;
+import android.support.v7.widget.SearchView;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -68,7 +70,36 @@ public class PasswordStore extends ActionBarActivity  {
     public boolean onCreateOptionsMenu(Menu menu) {
         // Inflate the menu; this adds items to the action bar if it is present.
         getMenuInflater().inflate(R.menu.pwdstore, menu);
-        return true;
+        MenuItem searchItem = menu.findItem(R.id.action_search);
+        SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
+        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+            @Override
+            public boolean onQueryTextSubmit(String s) {
+                return true;
+            }
+
+            @Override
+            public boolean onQueryTextChange(String s) {
+                filterListAdapter(s);
+                return true;
+            }
+        });
+
+        // When using the support library, the setOnActionExpandListener() method is
+        // static and accepts the MenuItem object as an argument
+        MenuItemCompat.setOnActionExpandListener(searchItem, new MenuItemCompat.OnActionExpandListener() {
+            @Override
+            public boolean onMenuItemActionCollapse(MenuItem item) {
+                refreshListAdapter();
+                return true;
+            }
+
+            @Override
+            public boolean onMenuItemActionExpand(MenuItem item) {
+                return true;
+            }
+        });
+        return super.onCreateOptionsMenu(menu);
     }
 
     @Override
@@ -376,6 +407,14 @@ public class PasswordStore extends ActionBarActivity  {
         }
     }
 
+    public void filterListAdapter(String filter) {
+        PasswordFragment plist;
+        if  (null !=
+                (plist = (PasswordFragment) getFragmentManager().findFragmentByTag("PasswordsList"))) {
+            plist.filterAdapter(filter);
+        }
+    }
+
     private File getCurrentDir() {
         return new File(((PasswordFragment) getFragmentManager().findFragmentByTag("PasswordsList")).getArguments().getString("Path"));
     }

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

@@ -1,10 +1,17 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:pwstore="http://schemas.android.com/apk/res-auto"
     tools:context=".pwdstore" >
 
+    <item android:id="@+id/action_search"
+          android:title="@string/action_search"
+          android:icon="@drawable/ic_action_search"
+          pwstore:showAsAction="ifRoom|collapseActionView"
+          pwstore:actionViewClass="android.support.v7.widget.SearchView" />
+
     <item android:id="@+id/menu_add_password"
         android:icon="@drawable/ico_add"
-        android:showAsAction="always"
+        pwstore:showAsAction="ifRoom"
         android:title="New password"/>
 
     <!--<item android:id="@+id/menu_add_category"-->
@@ -17,7 +24,7 @@
 
     <item android:id="@+id/referesh"
         android:title="Refresh list"
-        android:showAsAction="never"
+        pwstore:showAsAction="never"
         android:icon="@drawable/ico_sync"/>
 
     <item android:id="@+id/user_pref"

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

@@ -42,6 +42,7 @@
 
     <!-- DECRYPT Layout -->
     <string name="crypto_category">Category</string>
+    <string name="action_search">Search</string>
 
 
 </resources>