/// <summary>
/// Called when the example type changes
/// </summary>
protected void OnExampleTypeChanged()
{
Type[] types = exampleType.Assembly.GetTypes();
tutorialsTree.Nodes.Clear();
tutorialsTree.ShowNodeToolTips = true;
// To ensure that the known sections will appear in order
foreach (var categoryName in new[] { "Tutorials", "String tutorials", "Applications" })
{
TreeNode categoryNode = tutorialsTree.Nodes.Add(categoryName);
categoryNode.Tag = categoryName;
categoryNode.Name = categoryName;
}
foreach (Type t in types)
{
if (t.GetMethod("Run") == null)
{
continue;
}
string category = "Examples";
ExampleAttribute exa = GetExampleAttribute(t);
if (exa != null)
{
category = exa.Category;
}
// Find an existing category node
TreeNode par = null;
foreach (TreeNode nd in tutorialsTree.Nodes)
{
if (category.Equals(nd.Tag))
{
par = nd;
}
}
if (par == null)
{
// Handle unknown categories
par = tutorialsTree.Nodes.Add(category);
par.Tag = category;
//par.NodeFont = new Font(tutorialsTree.Font, FontStyle.Bold);
par.Name = category;
}
string name = t.Name;
if ((exa != null) && (exa.Prefix != null))
{
name = exa.Prefix + " " + name;
}
TreeNode nd2 = par.Nodes.Add(name);
if (exa != null)
{
nd2.ToolTipText = exa.Description;
}
nd2.Tag = t;
}
tutorialsTree.ExpandAll();
foreach (TreeNode nd in tutorialsTree.Nodes)
{
SortChildNodesByName(nd);
}
if ((tutorialsTree.Nodes.Count > 0) && (tutorialsTree.Nodes[0].Nodes.Count > 0))
{
tutorialsTree.SelectedNode = tutorialsTree.Nodes[0].Nodes[0];
}
}
/// <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();
}