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package irdc.ex10_06;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.text.Editable;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.EditText;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;


public class EX10_06 extends Activity
{
  /* 獨一無二的menu選項identifier，用以識別事件 */
  static final private int MENU_ADD = Menu.FIRST;
  static final private int MENU_EDIT = Menu.FIRST+1;
  static final private int MENU_DRAW = Menu.FIRST+2;
  private MapView mMapView01;
  private EditText mEditText05;
  private int intZoomLevel=20;
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    mEditText05 = (EditText)findViewById(R.id.destination);
    mMapView01 = (MapView)findViewById(R.id.myMapView1);
  
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu)
  {
    // TODO Auto-generated method stub
    /* menu群組ID */
    int idGroup1 = 0;
    
    /* The order position of the item */
    int orderItem1 = Menu.NONE;
    int orderItem2 = Menu.NONE+1;
    int orderItem3 = Menu.NONE+2;
    
    /* 建立3個Menu選單 */
    menu.add(idGroup1, MENU_ADD, orderItem1, R.string.str_manu1).setIcon(android.R.drawable.ic_menu_add);
    menu.add(idGroup1, MENU_EDIT, orderItem2, R.string.str_manu2).setIcon(android.R.drawable.ic_dialog_info);
    menu.add(idGroup1, MENU_DRAW, orderItem3, R.string.str_manu3).setIcon(R.drawable.hipposmall);
    
    return super.onCreateOptionsMenu(menu);
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item)
  {
    // TODO Auto-generated method stub
    Intent intent = new Intent();
    switch(item.getItemId())
    {
      case (MENU_ADD):
        /* 新建餐廳資料 */
        intent.setClass(EX10_06.this, EX10_06_02.class);
        startActivity(intent);
        finish();
        break;
      case (MENU_EDIT):
        /* 編輯資料 */
        intent.setClass(EX10_06.this, EX10_06_03.class);
        startActivity(intent);
        finish();
        break;
      case (MENU_DRAW):
        /* 前往系統亂數選擇餐廳功能 */
        draw();
        break;
    }
    return super.onOptionsItemSelected(item);
  }
        
     

    private void draw()
    {
        
       GeoPoint gp = getGeoByAddress(mEditText05.getText().toString());
          if(gp==null)
          {
            /* 地址無法反查為GeoPoint時 */
            mMapView01.setVisibility(MapView.GONE);
          }
          else
          {
            /* 更新MapView地圖 */
            mMapView01.setVisibility(MapView.VISIBLE);
            
            //取得位址後更新顯示
            refreshMapViewByGeoPoint(getGeoByAddress(mEditText05.getText().toString()), mMapView01, intZoomLevel, true);
          }
  
    }

    public static void refreshMapViewByGeoPoint(GeoPoint gp, MapView mv, int zoomLevel, boolean setTraffic)
    {
      try
      {
        mv.setBuiltInZoomControls(true);
        mv.displayZoomControls(true);
        MapController mc = mv.getController();
        mc.animateTo(gp);
        mc.setZoom(zoomLevel);
        mv.setTraffic(setTraffic);
      }
      catch(Exception e)
      {
        e.printStackTrace();
      }
    }
    

        private GeoPoint getGeoByAddress(String strSearchAddress)
        {
          GeoPoint gp = null;
          try
          {
            if(strSearchAddress!="")
            {
              Geocoder mGeocoder01 = new Geocoder(EX10_06.this, Locale.getDefault());
              List<Address> lstAddress = mGeocoder01.getFromLocationName(strSearchAddress, 1);
              if (!lstAddress.isEmpty())
              {
                Address adsLocation = lstAddress.get(0);
                /* 1E6 = 1000000*/
                double geoLatitude = adsLocation.getLatitude()*1E6;
                double geoLongitude = adsLocation.getLongitude()*1E6;
                gp = new GeoPoint((int) geoLatitude, (int) geoLongitude);
              }
            }
          }
          catch (Exception e)
          { 
            e.printStackTrace(); 
          }
          return gp;
        }
     }