Add deletion option

tonyvu2014 · Jun 25, 2016 · 7bc24a6 · 7bc24a6
1 parent 2d51979
commit 7bc24a6
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Showing 2 changed files with 37 additions and 7 deletions.
diff --git a/demo/src/main/java/com/android/tonyvu/sc/demo/ShoppingCartActivity.java b/demo/src/main/java/com/android/tonyvu/sc/demo/ShoppingCartActivity.java
@@ -1,18 +1,15 @@
 package com.android.tonyvu.sc.demo;
 
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-
+import android.app.AlertDialog;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
+import android.widget.AdapterView;
 import android.widget.Button;
 import android.widget.ListView;
 import android.widget.TextView;
@@ -25,6 +22,12 @@
 import com.android.tonyvu.sc.model.Saleable;
 import com.android.tonyvu.sc.util.CartHelper;
 
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
 public class ShoppingCartActivity extends AppCompatActivity {
  private static final String TAG = "ShoppingCartActivity";
 
@@ -73,13 +76,36 @@ public void onClick(View v) {
  startActivity(intent);
  }
  });
+
+ lvCartItems.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
+ @Override
+ public boolean onItemLongClick(AdapterView<?> parent, View view, final int position, long id) {
+ new AlertDialog.Builder(ShoppingCartActivity.this)
+ .setTitle(getResources().getString(R.string.delete_item))
+ .setMessage(getResources().getString(R.string.delete_item_message))
+ .setPositiveButton(getResources().getString(R.string.yes), new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ List<CartItem> cartItems = getCartItems(cart);
+ cart.remove(cartItems.get(position-1).getProduct());
+ cartItems.remove(position-1);
+ cartItemAdapter.updateCartItems(cartItems);
+ cartItemAdapter.notifyDataSetChanged();
+ tvTotalPrice.setText(Constant.CURRENCY+String.valueOf(cart.getTotalPrice().setScale(2, BigDecimal.ROUND_HALF_UP)));
+ }
+ })
+ .setNegativeButton(getResources().getString(R.string.no), null)
+ .show();
+ return false;
+ }
+ });
  }
 
  private List<CartItem> getCartItems(Cart cart) {
  List<CartItem> cartItems = new ArrayList<CartItem>();
  Log.d(TAG, "Current shopping cart: " + cart);
 
- Map<Saleable, Integer> itemMap = (Map<Saleable, Integer>) cart.getItemWithQuantity();
+ Map<Saleable, Integer> itemMap = cart.getItemWithQuantity();
 
  for (Entry<Saleable, Integer> entry : itemMap.entrySet()) {
  CartItem cartItem = new CartItem();

diff --git a/demo/src/main/res/values/strings.xml b/demo/src/main/res/values/strings.xml
@@ -16,5 +16,9 @@
  <string name="remove">Remove</string>
  <string name="clear_cart">Clear Cart</string>
  <string name="shop">Shop</string>
+ <string name="delete_item">Delete Item</string>
+ <string name="delete_item_message">Are you sure you want to delete this item?</string>
+ <string name="yes">Yes</string>
+ <string name="no">No</string>
 
 </resources>