private void SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// Check that there are Items in the combobox. Prevents error when switching between samples.
if (FileSelection.Items.Count != 0)
{
// Set the web browser to display the source code of the selected file.
SourceCodeBrowser.NavigateToString(_sourceFiles[FileSelection.SelectedValue.ToString()]);
}
}
public void LoadSourceCode()
{
string folderPath = SampleManager.Current.SelectedSample.Path;
// Filepaths for the css and js files used for syntax highlighting.
string cssPath = "ms-appx-web:///" + "Resources\\SyntaxHighlighting/highlight.css";
string jsPath = "ms-appx-web:///" + "Resources\\SyntaxHighlighting/highlight.pack.js";
// Dictionary holds html strings for source code as values. Keys are strings of filepaths.
_sourceFiles = new Dictionary <string, string>();
// Clear out any old items when loading for a new sample.
FileSelection.Items.Clear();
// Start of each html string.
string htmlStart =
"<html>" +
"<head>" +
"<link rel=\"stylesheet\" href=\"" + cssPath + "\">" +
"<script type=\"text/javascript\" src=\"" + jsPath + "\"></script>" +
"<script>hljs.initHighlightingOnLoad();</script>" +
"</head>" +
"<body>" +
"<pre>";
// End of each html string.
string htmlEnd =
"</pre>" +
"</body>" +
"</html>";
// Index of the .cs file. -1 will result in no selection if a .cs file is not found.
int csIndex = -1;
// Source code of the file.
string source;
// Add every .cs and .xaml file in the directory of the sample.
foreach (string filepath in Directory.GetFiles(folderPath))
{
Console.WriteLine(filepath);
try
{
if (filepath.EndsWith(".cs"))
{
// Get the source text from the file.
source = File.ReadAllText(filepath);
// Build the html.
source =
htmlStart +
"<code class=\"csharp\">" +
source +
"</code>" +
htmlEnd;
// Set the index of the .cs file.
csIndex = _sourceFiles.Count;
}
else if (filepath.EndsWith(".xaml"))
{
// Get the source text from the file.
source = File.ReadAllText(filepath);
// Replace the tag characters so that the html renders correctly.
source = source.Replace("<", "<");
source = source.Replace(">", ">");
// Build the html.
source =
htmlStart +
"<code class=\"xml\">" +
source +
"</code>" +
htmlEnd;
}
else
{
// Continue looping over other files if file is not .cs or .xaml.
continue;
}
// Add the source html to the _sourceFiles dictionary.
_sourceFiles[filepath] = source;
// Add the file as a selectable item in the combobox.
FileSelection.Items.Add(filepath);
}
catch (Exception e)
{
// Any files that failed to be read will have error messages printed to the console for debugging.
Debug.WriteLine(e.Message);
}
}
// Default to the index of the last .cs file.
FileSelection.SelectedIndex = csIndex;
// Check if any source files were found.
if (FileSelection.Items.Count == 0)
{
SourceCodeBrowser.NavigateToString("Source files not found.");
}
}