/// <summary>
/// Reads line after keyword and until newline character.
/// </summary>
/// <param name="keyword">Where reading should start</param>
/// <returns>Returns line that has been read.</returns>
public String ReadLine(string keyword)
{
String text = String.Empty;
if (TheTextBox.InvokeRequired)
{
// It's on a different thread, so use Invoke:
lock (m_LockObject) {
GetTextCallback ourDelegate = new GetTextCallback(getText);
text = (String)TheTextBox.Invoke(ourDelegate, new object[] { TheTextBox });
}
}
else
{
lock (m_LockObject) {
text = TheTextBox.Text;
}
}
if ((text.LastIndexOf("\n") - text.LastIndexOf(keyword) - keyword.Length > 0) && text.LastIndexOf(keyword) > -1)
{
return(text.Substring(text.LastIndexOf(keyword) + keyword.Length, text.LastIndexOf("\n") - text.LastIndexOf(keyword) - keyword.Length));
}
else
{
return(String.Empty);
}
}
/// <summary>
/// Writes a message to the panel that this PanelHandler keeps a reference to
/// </summary>
/// <param name="message">The message string we want to write.</param>
public void WriteDelayedMessage(string message)
{
if (!String.IsNullOrEmpty(message))
{
//If the PanelHandler is printing progress text, then remove the last line of this progress text so we can update it with new progress count text:
if (new Regex(@"[a-z]{8}\:\s{1}\d{1,3}\%", RegexOptions.IgnoreCase).Match(message).Success)
{
RemoveLastLine(@"[a-z]{8}\:\s{1}\d{1,3}\%");
}
//If the PanelHandler is printing progress text, then remove the last line of this progress text so we can update it with new progress count text:
if (new Regex(@"\d{1,3}\s{1}\%\s{1}[a-z]{8}", RegexOptions.IgnoreCase).Match(message).Success)
{
RemoveLastLine(@"\d{1,3}\s{1}\%\s{1}[a-z]{8}");
}
if (StatusUpdateList != null)
{
string statusMessage = StatusUpdateList.Where(m => message.Trim().ToLower().Contains(m.Trim().ToLower())).FirstOrDefault();
if (!String.IsNullOrEmpty(statusMessage) && StatusHandler != null)
{
string successComparer = !String.IsNullOrEmpty(StatusSuccessString) ? StatusSuccessString.ToLower() : String.Empty;
StatusHandler.PrintStatus(statusMessage, statusMessage.ToLower() == successComparer ? Status.Success : Status.InProgress);
StatusStepEvent(StatusUpdateList.FindIndex(m => m.ToLower().Trim() == statusMessage.ToLower()));
}
}
int msgLength = message.TrimEnd().Length;
string outText;
if (message == "PS>" || message == "\nPS>" || msgLength == 0)
{
outText = message;
}
else
{
outText = message.Substring(0, msgLength);
if (outText[outText.Length - 1] != '\n')
{
outText += "\n";
}
}
foreach (char c in outText)
{
if (TheTextBox.InvokeRequired)
{
// It's on a different thread, so use Invoke.
lock (m_LockObject) {
PrintTextCallback ourDelegate = new PrintTextCallback(printText);
TheTextBox.Invoke(ourDelegate, new object[] { c, TheTextBox, TextColor });
}
}
else
{
lock (m_LockObject) {
// It's on the same thread, no need for Invoke
TheTextBox.AppendText(c.ToString(), TextColor);
}
}
Thread.Sleep(PrintDelay);
}
}
}
/// <summary>
/// Remove specified words from our RichTextBox control identified by they keywords argument.
/// </summary>
/// <param name="Keywords">List of strings that identify words we want to remove from TheTextBox</param>
public void RemoveLines(List <string> Keywords)
{
string regex = String.Empty;
string NewText = String.Empty;
//1. Get the Rtf from the Textbox
if (TheTextBox.InvokeRequired)
{
// It's on a different thread, so use Invoke:
lock (m_LockObject) {
GetRtfCallback ourDelegate = new GetRtfCallback(getRtf);
NewText = (String)TheTextBox.Invoke(ourDelegate, new object[] { TheTextBox });
}
}
else
{
lock (m_LockObject) {
NewText = TheTextBox.Rtf;
}
}
//2. Perform regex magic on the text retrieved from the Textbox:
Regex MyRegex = null;
foreach (string keyword in Keywords)
{
regex = String.Format(@"{0}", keyword);
MyRegex = new Regex(regex, RegexOptions.Multiline);
NewText = MyRegex.Replace(NewText, "");
//This one would remove blank lines, but is commented away:
//NewText = Regex.Replace(NewText, @"^\s+$[\r\n]*", "", RegexOptions.Multiline);
}
//3. Put the Rtf back to the text box after the magic is done:
if (TheTextBox.InvokeRequired)
{
// It's on a different thread, so use Invoke.
lock (m_LockObject) {
SetRtfCallback ourDelegate = new SetRtfCallback(setRtf);
TheTextBox.Invoke(ourDelegate, new object[] { NewText, TheTextBox });
}
}
else
{
lock (m_LockObject) {
TheTextBox.Rtf = NewText;
TheTextBox.Refresh();
}
}
}
/// <summary>
/// Sets the cursor on the last line, but does not scroll.
/// </summary>
public void SetCursorAtLastLine()
{
if (TheTextBox.InvokeRequired)
{
lock (m_LockObject) {
SetCursorAtLastLineCallback ourDelegate = new SetCursorAtLastLineCallback(setCursorAtLastLine);
TheTextBox.Invoke(ourDelegate, new object[] { TheTextBox });
}
}
else
{
lock (m_LockObject) {
TheTextBox.Select(TheTextBox.TextLength, 1);
}
}
}
/// <summary>
/// Remove last line if it is identified by regex
/// </summary>
/// <param name="regex">regex to match in last line</param>
public void RemoveLastLine(string regex)
{
string OldText = String.Empty;
StringBuilder NewText = new StringBuilder();
int stepBack = 2;
string lastLine = String.Empty;
TheTextBox.HandleInvokeRequired(__TheTextBox => {
lastLine = __TheTextBox.Lines[__TheTextBox.Lines.Length - 1];
if (String.IsNullOrEmpty(lastLine))
{
lastLine = __TheTextBox.Lines[__TheTextBox.Lines.Length - 2];
stepBack = 4;
}
});
if (new Regex(regex, RegexOptions.IgnoreCase).Match(lastLine).Success)
{
//1. Get the Rtf from the Textbox
if (TheTextBox.InvokeRequired)
{
// It's on a different thread, so use Invoke:
lock (m_LockObject) {
GetRtfCallback ourDelegate = new GetRtfCallback(getRtf);
OldText = (String)TheTextBox.Invoke(ourDelegate, new object[] { TheTextBox });
}
}
else
{
lock (m_LockObject) {
OldText = TheTextBox.Rtf;
}
}
//2. Perform magic on the text retrieved from the Textbox:
int size = OldText.Split(new string[] { Environment.NewLine }, StringSplitOptions.None).Length;
for (int count = 0; count < size - stepBack; count++)
{
NewText.Append(OldText.Split(new string[] { Environment.NewLine }, StringSplitOptions.None)[count]);
if (NewText[NewText.Length - 1] != '\n' || NewText[NewText.Length - 1].ToString() != System.Environment.NewLine)
{
NewText.Append(System.Environment.NewLine);
}
}
;
//3. Put the Rtf back to the text box after the magic is done:
if (TheTextBox.InvokeRequired)
{
// It's on a different thread, so use Invoke.
lock (m_LockObject) {
SetRtfCallback ourDelegate = new SetRtfCallback(setRtf);
TheTextBox.Invoke(ourDelegate, new object[] { NewText.ToString(), TheTextBox });
}
}
else
{
lock (m_LockObject) {
TheTextBox.Rtf = NewText.ToString();
TheTextBox.Refresh();
}
}
}
}
