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@frankandrobot
Created August 9, 2013 22:53
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Proxy for the Android Cursor class that ignores the row passed in the constructor. Use this to "delete" rows in the listview before deleting them for real in the database.
package com.frankandrobot.reminderer.database.databasefacade;
import android.annotation.TargetApi;
import android.content.ContentResolver;
import android.database.AbstractCursor;
import android.database.CharArrayBuffer;
import android.database.ContentObserver;
import android.database.Cursor;
import android.database.DataSetObserver;
import android.net.Uri;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
/**
* Proxy for the {@link Cursor} class
* that ignores the row passed in the constructor.
*
* Use this to "delete" rows in the listview before deleting them for real
* in the database.
*
*/
public class CursorDeleteProxy extends AbstractCursor
{
private Cursor cursor;
private int posToIgnore;
public CursorDeleteProxy(Cursor cursor, int posToRemove)
{
this.cursor = cursor;
this.posToIgnore = posToRemove;
}
@Override
public boolean onMove(int oldPosition, int newPosition)
{
if (newPosition < posToIgnore)
{
cursor.moveToPosition(newPosition);
}
else
{
cursor.moveToPosition(newPosition+1);
}
return true;
}
@Override
public int getCount()
{
return cursor.getCount() - 1;
}
@Override
public String[] getColumnNames()
{
return cursor.getColumnNames();
}
@Override
public String getString(int i)
{
return cursor.getString(i);
}
@Override
public short getShort(int i)
{
return cursor.getShort(i);
}
@Override
public int getInt(int i)
{
return cursor.getInt(i);
}
@Override
public long getLong(int i)
{
return cursor.getLong(i);
}
@Override
public float getFloat(int i)
{
return cursor.getFloat(i);
}
@Override
public double getDouble(int i)
{
return cursor.getDouble(i);
}
@Override
public boolean isNull(int i)
{
return cursor.isNull(i);
}
@TargetApi(VERSION_CODES.HONEYCOMB)
@Override
public int getType(int column)
{
return cursor.getType(column);
}
@Override
public byte[] getBlob(int column)
{
return cursor.getBlob(column);
}
@Override
public int getColumnCount()
{
return cursor.getColumnCount();
}
@Override
public boolean requery()
{
return super.requery();
}
@Override
public boolean isClosed()
{
return cursor.isClosed();
}
@Override
public void close()
{
cursor.close();
}
@Override
public void copyStringToBuffer(int columnIndex, CharArrayBuffer buffer)
{
cursor.copyStringToBuffer(columnIndex, buffer);
}
@Override
public int getColumnIndex(String columnName)
{
return cursor.getColumnIndex(columnName);
}
@Override
public int getColumnIndexOrThrow(String columnName)
{
return cursor.getColumnIndexOrThrow(columnName);
}
@Override
public String getColumnName(int columnIndex)
{
return cursor.getColumnName(columnIndex);
}
@Override
public void registerContentObserver(ContentObserver observer)
{
cursor.registerContentObserver(observer);
}
@Override
public void unregisterContentObserver(ContentObserver observer)
{
cursor.unregisterContentObserver(observer);
}
@Override
public void registerDataSetObserver(DataSetObserver observer)
{
cursor.registerDataSetObserver(observer);
}
@Override
public void unregisterDataSetObserver(DataSetObserver observer)
{
cursor.unregisterDataSetObserver(observer);
}
@Override
public void setNotificationUri(ContentResolver cr, Uri notifyUri)
{
cursor.setNotificationUri(cr, notifyUri);
}
@Override
public boolean getWantsAllOnMoveCalls()
{
return cursor.getWantsAllOnMoveCalls();
}
@Override
public Bundle getExtras()
{
return cursor.getExtras();
}
@Override
public Bundle respond(Bundle extras)
{
return cursor.respond(extras);
}
}
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