// Show the command from the command history, pointed to by the index.
// Note that the index runs in reverse.
private void showHistory() {
String lShowLine;
if (commandHistoryIndex == 0) lShowLine = currentCommand;
else lShowLine = commandHistory.get(commandHistory.size() - commandHistoryIndex);
replaceConsoleText(lShowLine, commandPos, textLength());
text.setCaretPosition(textLength());
text.repaint();
}
private void processCommand() {
String lCommandRepr = getCmd();
if (lCommandRepr.length() != 0) commandHistory.add(lCommandRepr);
lCommandRepr = lCommandRepr + "\n";
appendConsoleText("\n");
commandHistoryIndex = 0;
acceptLine(lCommandRepr);
text.repaint();
}
/**
* The user of the component can write a command in the console as if the user typed the command
* himself. The application using the console can simnulate user actions in this way.
*
* @param aCommand
*/
public void setCommand(String aCommand) {
String lCommandRepr = aCommand;
if (lCommandRepr.length() != 0) commandHistory.add(lCommandRepr);
lCommandRepr = lCommandRepr + "\n";
appendConsoleText(lCommandRepr);
commandHistoryIndex = 0;
acceptLine(lCommandRepr);
text.repaint();
}
/** Clear the console. */
public void clear() {
text.setText("");
text.repaint();
}
private void moveCaret() {
if (text.getCaretPosition() < commandPos) {
text.setCaretPosition(textLength());
}
text.repaint();
}