/// <summary>
/// Very simple syntax highlighting
/// </summary>
/// <param name="targetTextBox"></param>
/// <param name="s"></param>
internal void PrintWithSyntaxHighlighting(EfficientTextBox targetTextBox, string s)
{
if (s.Trim().StartsWith("[Example("))
{
return;
}
if (s.Trim().StartsWith("//"))
{
targetTextBox.SelectionColor = Color.Green;
targetTextBox.AppendText(s + Environment.NewLine);
targetTextBox.SelectionColor = Color.Black;
return;
}
targetTextBox.SelectionBackColor = Color.White;
if (s.Contains("//highlight"))
{
s = s.Replace("//highlight", "");
// targetTextBox.SelectionFont = boldFont;
targetTextBox.SelectionBackColor = Color.Yellow;
}
// else targetTextBox.SelectionFont = normalFont;
MatchCollection mc = reg.Matches(s);
int ind = 0;
foreach (Match m in mc)
{
targetTextBox.AppendText(s.Substring(ind, m.Index - ind));
ind = m.Index + m.Length;
string word = s.Substring(m.Index, m.Length);
bool reserved = IsReservedWord(word);
if (reserved)
{
targetTextBox.SelectionColor = Color.Blue;
}
if (IsKnownTypeName(word))
{
targetTextBox.SelectionColor = Color.DarkCyan;
}
targetTextBox.AppendText(word);
targetTextBox.SelectionColor = Color.Black;
}
if (ind < s.Length)
{
targetTextBox.AppendText(s.Substring(ind));
}
targetTextBox.AppendText(Environment.NewLine);
//sourceTextBox.AppendText(s + Environment.NewLine);
}
/// <summary>
/// Selection changed handler
/// </summary>
protected void OnSelectionChanged()
{
Type exampleClass = SelectedExample;
if (exampleClass == null)
{
return;
}
SuspendLayout();
exampleSummaryBox.Clear();
exampleSummaryBox.SelectionColor = Color.DarkBlue;
exampleSummaryBox.SelectionFont = new Font(FontFamily.GenericSansSerif, 11f, FontStyle.Bold);
exampleSummaryBox.AppendText(exampleClass.Name + Environment.NewLine);
//label1.Text = "'" + tutorialClass.Name + "' source code";
ExampleAttribute exa = GetExampleAttribute(exampleClass);
exampleSummaryBox.SelectionFont = new Font(FontFamily.GenericSansSerif, 10f, FontStyle.Regular);
exampleSummaryBox.SelectionColor = Color.FromArgb(0, 0, 100);
string desc = "";
if (exa != null)
{
desc = exa.Description;
}
exampleSummaryBox.AppendText(desc);
exampleSummaryBox.Size = exampleSummaryBox.GetPreferredSize(exampleSummaryBox.Size);
exampleSummaryBox.Height += 10;
exampleSummaryBox.Refresh();
string filename = GetSourceCodeFilename(exampleClass);
DoubleBuffered = true;
//sourceTextBox.SuspendLayout();
try
{
if (filename == null)
{
sourceTextBox.Text = "Example source code was not found. " + Environment.NewLine +
"Go to the properties of the source file in Visual Studio and set 'Copy To Output Directory' to 'Copy if newer'.";
}
else
{
RichTextBox tempBox = new RichTextBox();
tempBox.Font = sourceTextBox.Font;
tempBox.SelectionTabs = sourceTextBox.SelectionTabs;
EfficientTextBox etb = new EfficientTextBox(tempBox);
StreamReader sr = new StreamReader(filename);
bool isHeader = true;
while (true)
{
string line = sr.ReadLine();
if (line == null)
{
break;
}
if (isHeader)
{
string trimmed = line.TrimStart();
if (trimmed.Length == 0 || trimmed.StartsWith("// "))
{
continue;
}
else
{
isHeader = false;
}
}
PrintWithSyntaxHighlighting(etb, line);
}
etb.Flush();
sr.Close();
sourceTextBox.Rtf = tempBox.Rtf;
}
//sourceTextBox.ResumeLayout(true);
}
finally
{
ResumeLayout(true);
}
//this.PerformLayout();
}
