public IDeleteLineCommand <OperationContext> CreateDeleteLineCommand(
LinePosition line)
{
var operation = new DeleteLinesOperation((int)line, 1);
return(operation);
}
/// <summary>
/// Performs the delete lines operation on the buffer.
/// </summary>
/// <param name="operation">The operation to perform.</param>
/// <returns>
/// The results to the changes to the buffer.
/// </returns>
protected override LineBufferOperationResults Do(
DeleteLinesOperation operation)
{
// Shift the styles down for the deleted lines.
for (int lineIndex = 0;
lineIndex < LineCount;
lineIndex++)
{
// If we have a key, shift it.
if (lineIndex >= operation.Line &&
styles.ContainsKey(lineIndex))
{
styles[lineIndex - operation.Count] = styles[lineIndex];
styles.Remove(lineIndex);
}
}
// Now, perform the operation on the buffer.
return(base.Do(operation));
}
protected override LineBufferOperationResults Do(
DeleteLinesOperation operation)
{
//// We only need a read-lock on the blocks just to make sure nothing moves
//// underneath us while we get the block key.
//using (blocks.AcquireLock(RequestLock.Read))
//{
// // Add each delete line into a composite command.
// var deleteCommand = new CompositeCommand();
// for (int lineIndex = operation.LineIndex;
// lineIndex < operation.LineIndex + operation.Count;
// lineIndex++)
// {
// Block block = blocks[lineIndex];
// var command = new DeleteBlockCommand(block.BlockKey);
// deleteCommand.Commands.Add(command);
// }
// // Submit the delete line.
// commands.Do(deleteCommand);
// // Raise the deleted line events.
// RaiseLinesDeleted(
// new LineRangeEventArgs(
// operation.LineIndex, operation.LineIndex + operation.Count));
// // Construct the operation results for the delete from information in the
// // command manager.
// var results =
// new LineBufferOperationResults(
// new TextPosition(operation.LineIndex, commands.LastPosition.TextIndex));
// return results;
//}
throw new NotImplementedException();
}
protected override LineBufferOperationResults Do(
DeleteLinesOperation operation)
{
//// We only need a read-lock on the blocks just to make sure nothing moves
//// underneath us while we get the block key.
//using (blocks.AcquireLock(RequestLock.Read))
//{
// // Add each delete line into a composite command.
// var deleteCommand = new CompositeCommand();
// for (int lineIndex = operation.LineIndex;
// lineIndex < operation.LineIndex + operation.Count;
// lineIndex++)
// {
// Block block = blocks[lineIndex];
// var command = new DeleteBlockCommand(block.BlockKey);
// deleteCommand.Commands.Add(command);
// }
// // Submit the delete line.
// commands.Do(deleteCommand);
// // Raise the deleted line events.
// RaiseLinesDeleted(
// new LineRangeEventArgs(
// operation.LineIndex, operation.LineIndex + operation.Count));
// // Construct the operation results for the delete from information in the
// // command manager.
// var results =
// new LineBufferOperationResults(
// new TextPosition(operation.LineIndex, commands.LastPosition.TextIndex));
// return results;
//}
throw new NotImplementedException();
}
/// <summary>
/// Performs the delete lines operation on the buffer.
/// </summary>
/// <param name="operation">The operation to perform.</param>
/// <returns>
/// The results to the changes to the buffer.
/// </returns>
protected override LineBufferOperationResults Do(
DeleteLinesOperation operation)
{
throw new NotImplementedException();
}
