@Override
	public void execute(CharSequence str) {
		if(str.equals(EditCommands.CURSOR_UP)) {
			this.editor.moveCursor(-1, 0);
		}
		else if(str.equals(EditCommands.CURSOR_DOWN)) {
			this.editor.moveCursor(1, 0);
		}
		else if(str.equals(EditCommands.CURSOR_LEFT)) {
			this.editor.moveCursor(0, -1);
		}
		else if (str.equals(EditCommands.CURSOR_RIGHT)) {
			this.editor.moveCursor(0, 1);
		}
	}