Dialog for sorting search results

Listify/app/src/main/java/com/example/listify/SearchResults.java

@@ -10,20 +10,29 @@ import android.widget.ImageView;
 import android.widget.ListView;
 import android.widget.SearchView;
 import android.widget.Toast;
-
 import com.example.listify.adapter.SearchResultsListAdapter;
 import com.example.listify.model.Product;
-
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
 
-public class SearchResults extends AppCompatActivity {
+public class SearchResults extends AppCompatActivity implements SortDialogFragment.OnSortingListener {
     private ListView listView;
     private SearchResultsListAdapter searchResultsListAdapter;
     private List<Product> resultsProductList = new ArrayList<>();
-    private List<Product> resultsProductListFiltered = new ArrayList<>();
+    private List<Product> resultsProductListSorted = new ArrayList<>();
+    private ArrayList<String> stores = new ArrayList<>();
+    private int storeSelection;
+    private int sortMode;
+    private boolean descending;
 
+    @Override
+    public void sendSort(int storeSelection, int sortMode, boolean descending) {
+        this.storeSelection = storeSelection;
+        this.sortMode = sortMode;
+        this.descending = descending;
+        sortResults();
+    }
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -63,12 +72,12 @@ public class SearchResults extends AppCompatActivity {
         });
 
         listView = (ListView) findViewById(R.id.search_results_list);
-        searchResultsListAdapter = new SearchResultsListAdapter(this, resultsProductListFiltered);
+        searchResultsListAdapter = new SearchResultsListAdapter(this, resultsProductListSorted);
         listView.setAdapter(searchResultsListAdapter);
         listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
             @Override
             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-                Toast.makeText(SearchResults.this, resultsProductListFiltered.get(position).getItemName(), Toast.LENGTH_SHORT).show();
+                Toast.makeText(SearchResults.this, resultsProductListSorted.get(position).getItemName(), Toast.LENGTH_SHORT).show();
             }
         });
 
@@ -86,8 +95,28 @@ public class SearchResults extends AppCompatActivity {
             }
         });
 
+        // Create a dialog for filtering and sorting search results
+        ImageButton sortButton = (ImageButton) findViewById(R.id.results_sort_button);
+        sortButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                // Sort the store list
+                stores.sort(new Comparator<String>() {
+                    @Override
+                    public int compare(String o1, String o2) {
+                        return o1.compareTo(o2);
+                    }
+                });
+                SortDialogFragment sortDialog = new SortDialogFragment(storeSelection, stores, sortMode, descending);
+                sortDialog.show(getSupportFragmentManager(), "Sort");
+            }
+        });
+
     }
 
+
+
+
     // Override default phone back button to add animation
     @Override
     public void onBackPressed() {
@@ -116,22 +145,38 @@ public class SearchResults extends AppCompatActivity {
             resultsProductList.add(f);
         }
 
-        // Add all results to the filtered list
+        // Create a list of all stores in the results so the user can filter by store name
-        resultsProductListFiltered.addAll(resultsProductList);
+        for (int i = 0; i < resultsProductList.size(); i++) {
+            if (!stores.contains(resultsProductList.get(i).getChainName())) {
+                stores.add(resultsProductList.get(i).getChainName());
+            }
+        }
+
+        // Add all results to the sorted list
+        resultsProductListSorted.addAll(resultsProductList);
+
+        // Apply selected sorting to the list
+        sortResults();
     }
 
     // Sorts the search results
-    private void sortResults(int sortMode, boolean descending) {
+    private void sortResults() {
         // Sort Modes
-        // 0 itemName
+        // 0 default (no sorting)
-        // 1 price
+        // 1 itemName
-        // 2 chainName
+        // 2 price
-        // 3 upc
+        // 3 chainName
+        // 4 upc
 
         // Sort based on mode
-        switch (sortMode) {
+        switch (this.sortMode) {
             case 0:
-                resultsProductListFiltered.sort(new Comparator<Product>() {
+                resultsProductListSorted.clear();
+                resultsProductListSorted.addAll(resultsProductList);
+                searchResultsListAdapter.notifyDataSetChanged();
+                return;
+            case 1:
+                resultsProductListSorted.sort(new Comparator<Product>() {
                     @Override
                     public int compare(Product a, Product b) {
                         return a.getItemName().compareToIgnoreCase(b.getItemName());
@@ -140,17 +185,23 @@ public class SearchResults extends AppCompatActivity {
                 break;
 
             // TODO: May need to change this depending on if price is stored as a string or a double
-            case 1:
+            case 2:
-                resultsProductListFiltered.sort(new Comparator<Product>() {
+                resultsProductListSorted.sort(new Comparator<Product>() {
                     @Override
                     public int compare(Product a, Product b) {
-                        return (int)(a.getPrice() - b.getPrice());
+                        if (a.getPrice() - b.getPrice() > 0) {
+                            return 1;
+                        } else if (a.getPrice() - b.getPrice() < 0) {
+                            return -1;
+                        } else {
+                            return 0;
+                        }
                     }
                 });
                 break;
 
-            case 2:
+            case 3:
-                resultsProductListFiltered.sort(new Comparator<Product>() {
+                resultsProductListSorted.sort(new Comparator<Product>() {
                     @Override
                     public int compare(Product a, Product b) {
                         return a.getChainName().compareToIgnoreCase(b.getChainName());
@@ -158,8 +209,8 @@ public class SearchResults extends AppCompatActivity {
                 });
                 break;
 
-            case 3:
+            case 4:
-                resultsProductListFiltered.sort(new Comparator<Product>() {
+                resultsProductListSorted.sort(new Comparator<Product>() {
                     @Override
                     public int compare(Product a, Product b) {
                         return a.getUpc().compareToIgnoreCase(b.getUpc());
@@ -168,12 +219,14 @@ public class SearchResults extends AppCompatActivity {
                 break;
         }
 
-        if (descending) {
+        if (this.descending) {
-            for (int i = 0; i < resultsProductListFiltered.size() / 2; i++) {
+            for (int i = 0; i < resultsProductListSorted.size() / 2; i++) {
-                Product temp = resultsProductListFiltered.get(i);
+                Product temp = resultsProductListSorted.get(i);
-                resultsProductListFiltered.set(i, resultsProductListFiltered.get(resultsProductListFiltered.size() - i - 1));
+                resultsProductListSorted.set(i, resultsProductListSorted.get(resultsProductListSorted.size() - i - 1));
-                resultsProductListFiltered.set(resultsProductListFiltered.size() - i - 1, temp);
+                resultsProductListSorted.set(resultsProductListSorted.size() - i - 1, temp);
             }
         }
+
+        searchResultsListAdapter.notifyDataSetChanged();
     }
 }

Listify/app/src/main/java/com/example/listify/SortDialogFragment.java

@@ -0,0 +1,124 @@
+package com.example.listify;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ImageButton;
+import android.widget.Spinner;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.DialogFragment;
+import java.util.ArrayList;
+
+
+public class SortDialogFragment extends DialogFragment {
+
+    public interface OnSortingListener {
+        void sendSort(int storeSelection, int sortMode, boolean descending);
+    }
+
+    public OnSortingListener onSortingListener;
+
+    private int storeSelection;
+    private int sortMode;
+    private boolean descending;
+    private ArrayList<String> stores;
+
+    public SortDialogFragment(int storeSelection, ArrayList<String> stores, int sortMode, boolean descending) {
+        this.storeSelection = storeSelection;
+        this.stores = stores;
+        this.sortMode = sortMode;
+        this.descending = descending;
+    }
+
+    @Override
+    public Dialog onCreateDialog(final Bundle savedInstanceState) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        // Get the layout inflater
+        LayoutInflater inflater = requireActivity().getLayoutInflater();
+
+        // Inflate and set the layout for the dialog
+        // Pass null as the parent view because its going in the dialog layout
+        View root = inflater.inflate(R.layout.dialog_sort, null);
+        builder.setView(root)
+                // Add action buttons
+                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int id) {
+                        onSortingListener.sendSort(storeSelection, sortMode, descending);
+                    }
+                })
+                .setNegativeButton("cancel", new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        SortDialogFragment.this.getDialog().cancel();
+                    }
+                });
+
+        Spinner storeDropdown = (Spinner) root.findViewById(R.id.sort_store_dropdown);
+        String[] storeChoices = new String[stores.size() + 1];
+        storeChoices[0] = "All";
+        for (int i = 1; i < stores.size() + 1; i++) {
+            storeChoices[i] = stores.get(i - 1);
+        }
+        ArrayAdapter<String> storeAdapter = new ArrayAdapter<>(root.getContext(), android.R.layout.simple_spinner_dropdown_item, storeChoices);
+        storeDropdown.setAdapter(storeAdapter);
+        storeDropdown.setSelection(this.storeSelection);
+        storeDropdown.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                storeSelection = position;
+            }
+
+            @Override
+            public void onNothingSelected(AdapterView<?> parent) {
+
+            }
+        });
+
+        Spinner sortDropdown = (Spinner) root.findViewById(R.id.sort_mode_dropdown);
+        String[] items = new String[] {"<Default>", "Name", "Price", "Store"};
+        ArrayAdapter<String> adapter = new ArrayAdapter<>(root.getContext(), android.R.layout.simple_spinner_dropdown_item, items);
+        sortDropdown.setAdapter(adapter);
+        sortDropdown.setSelection(this.sortMode);
+        sortDropdown.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                sortMode = position;
+            }
+
+            @Override
+            public void onNothingSelected(AdapterView<?> parent) {
+
+            }
+        });
+
+        ImageButton sortDirectionButton = root.findViewById(R.id.sort_direction_button);
+        sortDirectionButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (descending) {
+                    descending = false;
+                } else {
+                    descending = true;
+                }
+            }
+        });
+
+        return builder.create();
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        try {
+            onSortingListener = (OnSortingListener) getActivity();
+        } catch (ClassCastException e) {
+            Log.e("SortDialogFragment", "onAttach: ClassCastException: " + e.getMessage());
+        }
+    }
+}

Listify/app/src/main/res/drawable/ic_baseline_arrow_drop_down_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M7,10l5,5 5,-5z"/>
+</vector>

Listify/app/src/main/res/drawable/ic_baseline_filter_list_28.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="28dp"
+    android:height="28dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M10,18h4v-2h-4v2zM3,6v2h18L21,6L3,6zM6,13h12v-2L6,11v2z"/>
+</vector>

Listify/app/src/main/res/drawable/ic_baseline_search_28.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="28dp"
+    android:height="28dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z"/>
+</vector>

Listify/app/src/main/res/drawable/ic_baseline_sort_28.xml

@@ -0,0 +1,5 @@
+<vector android:height="28dp" android:tint="?attr/colorControlNormal"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="28dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M3,18h6v-2L3,16v2zM3,6v2h18L21,6L3,6zM3,13h12v-2L3,11v2z"/>
+</vector>

Listify/app/src/main/res/layout/activity_search_results.xml

@@ -36,10 +36,17 @@
                 >
             </SearchView>
 
+            <ImageButton
+                android:id="@+id/results_sort_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:contentDescription="@string/sort_button_desc"
+                android:background="@null"
+                app:srcCompat="@drawable/ic_baseline_sort_28" />
 
         </androidx.appcompat.widget.Toolbar>
 
     </com.google.android.material.appbar.AppBarLayout>
 
-    <include layout="@layout/content_search_results" />\
+    <include layout="@layout/content_search_results" />
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

Listify/app/src/main/res/layout/app_bar_home.xml

@@ -23,7 +23,7 @@
                 android:layout_gravity="end"
                 android:layout_marginEnd="5dp"
                 android:layout_height="wrap_content"
-                app:srcCompat="@android:drawable/ic_menu_search"
+                app:srcCompat="@drawable/ic_baseline_search_28"
                 android:contentDescription="@string/search_button_desc"
                 android:background="@null"/>
         </androidx.appcompat.widget.Toolbar>

Listify/app/src/main/res/layout/dialog_sort.xml

@@ -0,0 +1,61 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+<!--    <ImageView-->
+<!--        android:src="@drawable/ic_baseline_filter_list_28"-->
+<!--        android:layout_width="match_parent"-->
+<!--        android:layout_height="64dp"-->
+<!--        android:scaleType="center"-->
+<!--        android:background="#FFFFBB33"-->
+<!--        android:contentDescription="@string/app_name" />-->
+<!--    <EditText-->
+<!--        android:id="@+id/username"-->
+<!--        android:inputType="textEmailAddress"-->
+<!--        android:layout_width="match_parent"-->
+<!--        android:layout_height="wrap_content"-->
+<!--        android:layout_marginTop="16dp"-->
+<!--        android:layout_marginLeft="4dp"-->
+<!--        android:layout_marginRight="4dp"-->
+<!--        android:layout_marginBottom="4dp"-->
+<!--        android:hint="Username" />-->
+    <Spinner
+        android:id="@+id/sort_store_dropdown"
+        android:layout_width="260dp"
+        android:layout_height="wrap_content"
+        android:background="@android:drawable/spinner_dropdown_background"
+        android:spinnerMode="dropdown"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="150dp"
+        android:padding="15dp">
+
+        <Spinner
+            android:id="@+id/sort_mode_dropdown"
+            android:layout_width="260dp"
+            android:layout_height="wrap_content"
+            android:background="@android:drawable/spinner_dropdown_background"
+            android:spinnerMode="dropdown"/>
+
+        <ImageButton
+            android:id="@+id/sort_direction_button"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:src="@drawable/ic_baseline_sort_28"/>
+
+    </LinearLayout>
+
+
+<!--    <EditText-->
+<!--        android:id="@+id/password"-->
+<!--        android:inputType="textPassword"-->
+<!--        android:layout_width="match_parent"-->
+<!--        android:layout_height="wrap_content"-->
+<!--        android:layout_marginTop="4dp"-->
+<!--        android:layout_marginLeft="4dp"-->
+<!--        android:layout_marginRight="4dp"-->
+<!--        android:layout_marginBottom="16dp"-->
+<!--        android:fontFamily="sans-serif"-->
+<!--        android:hint="Password"/>-->
+</LinearLayout>

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

@@ -6,9 +6,4 @@
         android:orderInCategory="101"
         android:title="@string/action_settings"
         app:showAsAction="never" />
-    <item
-        android:id="@+id/action_settings1"
-        android:orderInCategory="101"
-        android:title="@string/action_settings"
-        app:showAsAction="never" />
 </menu>

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

@@ -15,6 +15,7 @@
     <string name="search_hint">Search Test</string>
     <string name="title_activity_search">SearchActivity</string>
     <string name="item_image_desc">Product Image</string>
+    <string name="sort_button_desc">Sort Icon</string>
 
     <!-- Strings used for fragments for navigation -->
     <string name="first_fragment_label">First Fragment</string>