Android Open Source - android-gskbyte-utils Array Adapter With Default Value

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License

The source code is released under:

GNU Lesser General Public License

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Java Source Code

package org.gskbyte.ui;
/* w  ww  .jav  a  2s.  com*/
import java.util.List;

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


public class ArrayAdapterWithDefaultValue<T>
extends BaseAdapter
{

private final   Context context;
private final   int textViewResource, textViewResourceInView;
private final   List<T> list;
private final   String defaultValue;
private         T itemForDefaultValue;

public ArrayAdapterWithDefaultValue(Context context, int viewResource, List<T> list, String defaultValue)
{
    this.context = context;
    this.textViewResource = viewResource;
    this.textViewResourceInView = 0;
    this.list = list;
    this.defaultValue = defaultValue;
}

public ArrayAdapterWithDefaultValue(Context context, int viewResource, int textViewResourceInView, List<T> list, String defaultValue)
{
    this.context = context;
    this.textViewResource = viewResource;
    this.textViewResourceInView = textViewResourceInView;
    this.list = list;
    this.defaultValue = defaultValue;
}

public void setItemForDefaultValue(T item)
{
    this.itemForDefaultValue = item;
}

@Override
public int getCount()
{ return list.size() + 1; }

@Override
public T getItem(int position)
{
    if(position>0) {
        return list.get(position-1);
    } else {
        return itemForDefaultValue;
    }
}

@Override
public long getItemId(int position)
{ return position; }

@Override
public View getView(int position, View convertView, ViewGroup parent)
{
    if(convertView == null) {
        convertView = LayoutInflater.from(context).inflate(textViewResource, null);
    }
    
    String text;
    if(position > 0) {
        Object item = getItem(position);
        text = item.toString();
    } else {
        text = defaultValue;
    }
    
    TextView textView;
    if(textViewResourceInView != 0) {
        textView = (TextView) convertView.findViewById(textViewResource);
    } else {
        textView = (TextView) convertView;
    }

    textView.setText(text);
    return convertView;
}


}

Java Source Code List