UserProductListActivity.java :  » UnTagged » smartshop-project » com » appspot » smartshop » ui » user » Android Open Source

package com.appspot.smartshop.ui.user;

import java.net.URLEncoder;
import java.util.LinkedList;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.CompoundButton.OnCheckedChangeListener;

import com.appspot.smartshop.R;
import com.appspot.smartshop.adapter.ProductAdapter;
import com.appspot.smartshop.dom.ProductInfo;
import com.appspot.smartshop.facebook.utils.FacebookUtils;
import com.appspot.smartshop.ui.BaseUIActivity;
import com.appspot.smartshop.utils.DataLoader;
import com.appspot.smartshop.utils.Global;
import com.appspot.smartshop.utils.JSONParser;
import com.appspot.smartshop.utils.RestClient;
import com.appspot.smartshop.utils.SimpleAsyncTask;
import com.appspot.smartshop.utils.URLConstant;
import com.appspot.smartshop.utils.Utils;

public class UserProductListActivity extends BaseUIActivity {

  public static final int INTERESTED_PRODUCTS = 0;
  public static final int BUYED_PRODUCTS = 1;
  public static final int SELLED_PRODUCTS = 2;
  private static LinkedList<ProductInfo> products;
  private int productsListType = INTERESTED_PRODUCTS;
  private String username;
  private ProductAdapter adapter;
  private ListView listProducts;
  private String url;
  // set up variable for facebook connection

  @Override
  protected void onCreatePre() {
    setContentView(R.layout.user_product_list);
  }

  @Override
  protected void onCreatePost(Bundle savedInstanceState) {
    // get username
    username = getIntent().getExtras().getString(Global.PRODUCTS_OF_USER);

    // radio buttons
    RadioButton rbInterestedProducts = (RadioButton) findViewById(R.id.rbInterestedProducts);
    rbInterestedProducts.setChecked(true);
    rbInterestedProducts
        .setOnCheckedChangeListener(new OnCheckedChangeListener() {

          @Override
          public void onCheckedChanged(CompoundButton buttonView,
              boolean isChecked) {
            if (isChecked) {
              productsListType = INTERESTED_PRODUCTS;
              constructUrl();
              loadProductsList();
            }
          }
        });

    RadioButton rbBuyProducts = (RadioButton) findViewById(R.id.rbBuyProducts);
    rbBuyProducts.setOnCheckedChangeListener(new OnCheckedChangeListener() {

      @Override
      public void onCheckedChanged(CompoundButton buttonView,
          boolean isChecked) {
        if (isChecked) {
          productsListType = BUYED_PRODUCTS;
          constructUrl();
          loadProductsList();
        }
      }
    });

    RadioButton rbSellProducts = (RadioButton) findViewById(R.id.rbSellProducts);
    rbSellProducts
        .setOnCheckedChangeListener(new OnCheckedChangeListener() {

          @Override
          public void onCheckedChanged(CompoundButton buttonView,
              boolean isChecked) {
            if (isChecked) {
              productsListType = SELLED_PRODUCTS;
              constructUrl();
              loadProductsList();
            }
          }
        });

    // search fields
    txtSearch = (EditText) findViewById(R.id.txtSearch);
    Button btnSearch = (Button) findViewById(R.id.btnSearch);
    btnSearch.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        searchProductsByQuery();
      }
    });

    // products listview
    listProducts = (ListView) findViewById(R.id.listUserProducts);
    constructUrl();
    loadProductsList();
  }

  protected void searchProductsByQuery() {
    String query = URLEncoder.encode(txtSearch.getText().toString());

    constructUrl();
    url += "&q=" + query;
    loadProductsList();
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    menu.add(0, 0, 0, getString(R.string.return_to_home)).setIcon(R.drawable.home);
    return super.onCreateOptionsMenu(menu);
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() == 0) {
      Utils.returnHomeActivity(this);
    }
    return super.onOptionsItemSelected(item);
  }

  private void constructUrl() {
    // construct url
    switch (productsListType) {
    case INTERESTED_PRODUCTS:
      url = String.format(URLConstant.GET_INTERESTED_PRODUCTS_OF_USER,
          username);
      break;

    case BUYED_PRODUCTS:
      url = String.format(URLConstant.GET_SELLED_PRODUCTS_OF_USER,
          username);
      break;

    case SELLED_PRODUCTS:
      url = String.format(URLConstant.GET_BUYED_PRODUCTS_OF_USER,
          username);
      break;
    }
  }

  private SimpleAsyncTask task;
  private EditText txtSearch;

  protected void loadProductsList() {
    // load data
    task = new SimpleAsyncTask(this, new DataLoader() {

      @Override
      public void updateUI() {
        if (products != null) {
          adapter = new ProductAdapter(UserProductListActivity.this,
              R.layout.product_list_item, products,new FacebookUtils(UserProductListActivity.this));
          adapter.isNormalProductList = false;
          listProducts.setAdapter(adapter);
        }
      }

      @Override
      public void loadData() {
        RestClient.getData(url, new JSONParser() {

          @Override
          public void onSuccess(JSONObject json) throws JSONException {
            JSONArray arr = json.getJSONArray("products");
            products = Global.gsonWithHour.fromJson(arr.toString(),
                ProductInfo.getType());
          }

          @Override
          public void onFailure(String message) {
            // task.cancel(true);
            // Toast.makeText(UserProductListActivity.this, message,
            // Toast.LENGTH_SHORT);
          }
        });
      }
    });

    task.execute();
  }
}