Android Open Source - T-CEP-Alert Alert Adapter

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Back to project page T-CEP-Alert.

License

The source code is released under:

MIT License

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Java Source Code

package org.ruscoe.tcepalert;
//from  ww  w. j a  v a  2 s.  c  om
import java.util.List;

import org.ruscoe.tcepalert.models.Alert;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;

/**
 * Adapter used to map a list of Alert models to an AlertView. Used to
 * create the list of alerts displayed to the user.
 * 
 * @author Dan Ruscoe
 */
public class AlertAdapter extends BaseAdapter
{
  Context mContext;
  List<Alert> mAlerts;
  
  public AlertAdapter(Context context, List<Alert> alerts)
  {
    mContext = context;
    mAlerts = alerts;
  }
  
  /**
   * Gets the total alerts stored in this adapter.
   */
  @Override
  public int getCount()
  {
    if (mAlerts != null)
    {
      return mAlerts.size();
    }
    else
    {
      return 0;
    }
  }

  /**
   * Gets an instance of Alert at a given position.
   * 
   * @param int position - The position of the Alert instance
   * in the mAlerts List.
   * @return Alert
   */
  @Override
  public Object getItem(int position)
  {
    if (mAlerts != null)
    {
      return mAlerts.get(position);
    }
    else
    {
      return null;
    }
  }

  /**
   * Unused in this application. Can be used to return a numeric ID
   * of a object at a given position.
   */
  @Override
  public long getItemId(int position)
  {
    return 0;
  }

  /**
   * Gets the view used to display an alert.
   * 
   * @param int position - The position of the Alert instance
   * in the mAlerts List.
   * @return AlertView - A populated AlertView instance.
   */
  @Override
  public View getView(int position, View convertView, ViewGroup parent)
  {
    AlertView alertView;
    
    if (convertView == null)
    {
      alertView = new AlertView(mContext, mAlerts.get(position));
    }
    else
    {
      alertView = (AlertView) convertView;
      
      alertView.setTitle(mAlerts.get(position).getTitle());
      alertView.setFirstPostedDate(mAlerts.get(position).getFirstPostedDate());
      alertView.setLastUpdatedDate(mAlerts.get(position).getLastUpdatedDate());
      alertView.setMessage(mAlerts.get(position).getMessage());
    }
    
    return alertView;
  }
  
}

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