Android Open Source - ListView-Swipe-to-Delete Item Exp List Adapter

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License

The source code is released under:

Apache License

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Java Source Code

package com.skd.swipetodelete.explist;
/*  w w w. j  a v a  2  s . co  m*/
import java.util.ArrayList;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ExpandableListView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.skd.swipetodelete.Item;
import com.skd.swipetodelete.R;
import com.skd.swipetodelete.menu.MenuItemDesc;

/*
 * Represents an expandable list view adapter class inherited from ItemBaseListAdapter.
 * Override getGroupView() and getChildView() methods to set a custom content, super getGroupView() and getChildView() will do the rest.
 */

public class ItemExpListAdapter extends ItemBaseExpListAdapter {

  public ItemExpListAdapter(int itemLayoutID, ArrayList<MenuItemDesc> menuItems, ItemBaseExpListHandler handler) {
    super(itemLayoutID, menuItems, handler);
  }

  @Override
  public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
    super.getGroupView(groupPosition, isExpanded, convertView, parent);
    
    LinearLayout groupView = null;
    
    String group = groupData.get(groupPosition);
    
    if (convertView == null) {
      groupView = new LinearLayout(parent.getContext());
      LayoutInflater li = LayoutInflater.from(parent.getContext());
      li.inflate(R.layout.group, groupView);
    }
    else {
      groupView = (LinearLayout)convertView;
    }
    
    TextView text = (TextView) groupView.findViewById(R.id.text);
    text.setText(group);
    
    ExpandableListView eLV = (ExpandableListView) parent;
      eLV.expandGroup(groupPosition);
    
    return groupView;
  }
  
  @Override
  public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, final ViewGroup parent) {
    View view = super.getChildView(groupPosition, childPosition, isLastChild, convertView, parent);
    
    Item dt = (Item) data.get(groupPosition).get(childPosition);
      
    TextView text = (TextView) view.findViewById(R.id.text);
    text.setText(dt.getText());
    
    return view;
  }
  
  //actions ***********************************************************************************
  
  public void edit(int groupPosition, int childPosition, String text) {
    if (text.length() <= 0) { return; }
    ((Item) this.data.get(groupPosition).get(childPosition)).setText(text);
    notifyDataSetChanged();
  }
}

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