/// <summary>
/// Raises the <see cref="E:Command" /> event.
/// </summary>
/// <param name="e">The <see cref="BaseShellConsoleCommandEventArgs"/> instance containing the event data.</param>
protected virtual void OnCommand(BaseShellConsoleCommandEventArgs e)
{
if (Command != null)
{
Command(this, e);
}
}
/// <summary>
/// Handles the Command event of the BaseShellConsoleEditor1 control, and execute the command received.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="BaseShellConsoleCommandEventArgs"/> instance containing the event data.</param>
private void BaseShellConsoleEditor_Command(object sender, BaseShellConsoleCommandEventArgs e)
{
if (e.Command == "cls")
{
BaseShellConsoleEditor.ClearMessages();
e.Cancel = true;
return;
}
ExecuteScript(e.Command);
}
/// <summary>
/// Handles the KeyDown event of the txtInput control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="KeyEventArgs"/> instance containing the event data.</param>
private void txtInput_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Return)
{
if (!string.IsNullOrEmpty(txtInput.Text))
{
SuspendLayout();
string prevPrompt = lblPrompt.Text;
Color prevPromptColor = PromptColor;
// Add the command first
if (rtbMessages.Lines.Length > 0)
{
rtbMessages.AppendText(Environment.NewLine);
}
AddCommand(prevPrompt, prevPromptColor, txtInput.Text);
// Raise the command event
BaseShellConsoleCommandEventArgs args = new BaseShellConsoleCommandEventArgs(txtInput.Text);
OnCommand(args);
if (args.Cancel == false)
{
if (!string.IsNullOrEmpty(args.Message))
{
AddMessage(args.Message);
}
rtbMessages.ScrollToCaret();
_prevMessages.Add(txtInput.Text);
_currentLine = _prevMessages.Count - 1;
}
txtInput.Text = string.Empty;
ResumeLayout();
}
e.Handled = true;
return;
}
if (e.KeyCode == Keys.Up)
{
// Shows the previous executed command
if (_currentLine >= 0 && _prevMessages.Count > 0)
{
txtInput.Text = _prevMessages[_currentLine].ToString();
txtInput.SelectionLength = 0;
txtInput.SelectionStart = txtInput.Text.Length;
_currentLine--;
}
e.Handled = true;
return;
}
if (e.KeyCode == Keys.Down)
{
// Shows the next executed command
if (_currentLine < _prevMessages.Count - 2)
{
_currentLine++;
txtInput.Text = _prevMessages[_currentLine + 1].ToString();
txtInput.SelectionLength = 0;
txtInput.SelectionStart = txtInput.Text.Length;
}
e.Handled = true;
return;
}
if (e.KeyCode == Keys.Escape)
{
// Clear the txtInput.
txtInput.Text = string.Empty;
e.Handled = true;
}
}