Android Open Source - SysAdmin-Nagios-Client My Expandable List View

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License

The source code is released under:

Apache License

Java Source Code

package com.SysAdmin;
//from   ww w  .  j a v  a 2s.c o m

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.CheckedTextView;
import android.widget.ExpandableListAdapter;
import android.widget.ExpandableListView;
import android.widget.SimpleExpandableListAdapter;

/**
 * Expandable listView
 * 
 * @author Markus Hinterleitner
 * @author Lukas Bernreiter
 * @version 0.5, 21/03/2012
 * @since 0.3
 */
public class MyExpandableListView implements OnClickListener
{
  
  //ExpandableListAdapter
  private static ExpandableListAdapter mAdapter;

  //ExpandableListView
  private static ExpandableListView expandableListView;

  //Keys for the ExpandableListAdapter
  public static final String GROUPNAME = "GROUPNAME";
  public static final String CHILDNAME = "CHILDNAME";
  
  private static Context context;
  
  private static String[] groupNames;
  private static String[][] childNames;

  public static void createExpandableListView(Context _context,String[] _groupNames,String[][] _childNames,ExpandableListView _expandableListView)
  {
    context=_context;
    
    groupNames=_groupNames;
    childNames=_childNames;
    
    expandableListView=_expandableListView;
    
    createExpandableListView();
  }
  
  private static void createExpandableListView()
  {
  
     //GroupData
    List<Map<String, String>> groupData = new ArrayList<Map<String, String>>();
 
    //ChildData
    List<List<Map<String, String>>> childData = new ArrayList<List<Map<String, String>>>();
   
    //Group Entry
    Map<String, String> curGroupMap;

    //Create groups for the ExpandableListView
   
      for(int i=0;i<groupNames.length;i++)
      {
        //Map that contains one group
        curGroupMap= new HashMap<String, String>();
        
        curGroupMap.put(GROUPNAME,groupNames[i]);
        groupData.add(curGroupMap);
        
        
       //List that contains all children for one group
       List<Map<String, String>> children = new ArrayList<Map<String, String>>();
        
        //Map that contains one child
         Map<String, String> curChildMap;
       
         // add childs
       for (String childName: childNames[i])
       {
         curChildMap = new HashMap<String, String>();
           curChildMap.put(CHILDNAME, childName);
           curChildMap.put(GROUPNAME, groupNames[i]);
           children.add(curChildMap);         
       }
       
         //Add child map to the list
         childData.add(children);
    
      }
   
 /*
     for (String[] childNameArray: childNames)
     {
       
       
        //Map that contains one child
         Map<String, String> curChildMap;
       
       for (String childName: childNameArray)
       {
         curChildMap = new HashMap<String, String>();
           curChildMap.put(CHILDNAME,childName);
           curChildMap.put(GROUPNAME,groupNames[i]);
           children.add(curChildMap);
       }
       
       //Add child map to the list
         childData.add(children);
     }*/
 
     //Create a new adapter for the expandable listView
     mAdapter = new SimpleExpandableListAdapter(
           context,              // context
           groupData,              // group data
           R.layout.exp_list_group,      // group layout
           new String[] {GROUPNAME},      // key to map group content
           new int[] { R.id.textGroupItem},
           childData,              // child data
           R.layout.exp_list_child,      // child layout
           new String[] {CHILDNAME},      // keys to map child content
           new int[] {R.id.checkedText_Child}
           );
     //Set adapter for the ExpandableListView
     expandableListView.setAdapter(mAdapter);    
     expandableListView.setChoiceMode(ExpandableListView.CHOICE_MODE_MULTIPLE);
     expandableListView.setItemsCanFocus(false);
  }

    public static View getChildView(int groupPosition, int childPosition, View convertView) {

      String child = getChild(groupPosition, childPosition);

        if (convertView == null) {
            LayoutInflater infalInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            convertView = infalInflater.inflate(R.layout.exp_list_child, null);
        }

        CheckedTextView childTextView = (CheckedTextView) convertView.findViewById(R.id.checkedText_Child);

        childTextView.setText(child);

        return convertView;
    }
  
    public static String getChild(int groupPosition, int childPosition) 
    {
      if(groupPosition < groupNames.length && childPosition < childNames.length)
        return childNames[groupPosition][childPosition];
      
      return new String();
    }
    
    public static String getGroup(int groupPosition)
    {
      if(groupPosition < groupNames.length)
        return groupNames[groupPosition];
      
      return new String();
    }
    
    public static int getCountOfGroups()
    { return groupNames.length; }
    
    public static int getCountOfChilds(int _group)
    { return childNames[_group].length; }
    
  public void onClick(View arg0) 
  {
    // TODO Auto-generated method stub
  
  }
}

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