/// <summary>
/// Checks whether the file extension is valid for the given program file kind.
/// </summary>
/// <param name="fileKind">The kind of program file for which the extension is to be validated.</param>
/// <param name="filePath">The file path to be checked.</param>
/// <returns>If the file has an extension that is valid for the given file kind, returns <c>true</c>; <c>false</c> otherwise.</returns>
public static bool HasCorrectExtension(this ProgramFileKind fileKind, string filePath)
{
var fileTypes = fileKind.FileExtensions();
var extension = GetExtension(filePath);
var hasStandardExtension = (extension != null) && fileTypes.Any(e => e.Equals(extension, System.StringComparison.OrdinalIgnoreCase));
return(hasStandardExtension);
}
/// <summary>
/// Shows a dialog to select a support file for the program.
/// </summary>
/// <param name="program">The program for which a support file is being selected.</param>
/// <param name="kind">The kind of support file to browse for.</param>
/// <returns>The selected support file.</returns>
internal static string BrowseForSupportFile(ProgramViewModel program, ProgramFileKind kind)
{
string filter = null;
string prompt = null;
switch (kind)
{
case ProgramFileKind.ManualText:
filter = RomListViewModel.SelectManualFilter;
prompt = string.Format(System.Globalization.CultureInfo.CurrentCulture, RomListViewModel.SelectManualPromptFormat, program.ProgramDescription.Name);
break;
case ProgramFileKind.SaveData:
filter = RomListViewModel.SelectJlpSaveDataFilter;
prompt = string.Format(System.Globalization.CultureInfo.CurrentCulture, RomListViewModel.SelectJlpSavePromptFormat, program.ProgramDescription.Name);
break;
default:
ErrorReporting.ReportNotImplementedError("ProgramViewModel.BrowseForSupportFile");
break;
}
string supportFilePath = null;
var fileBrowser = FileDialogHelpers.Create();
fileBrowser.IsFolderBrowser = false;
fileBrowser.AddFilter(filter, kind.FileExtensions());
fileBrowser.AddFilter(FileDialogHelpers.AllFilesFilter, new string[] { ".*" });
fileBrowser.Title = prompt;
fileBrowser.EnsureFileExists = true;
fileBrowser.EnsurePathExists = true;
fileBrowser.Multiselect = false;
var result = fileBrowser.ShowDialog();
if (result == FileBrowserDialogResult.Ok)
{
supportFilePath = fileBrowser.FileNames.First();
}
return(supportFilePath);
}
public void ProgramFileKind_FileExtensionsForUnsupportedFileKind_ThrowsKeyNotFoundException(ProgramFileKind fileKind)
{
Assert.Throws <KeyNotFoundException>(() => fileKind.FileExtensions());
}
public void ProgramFileKind_FileExtensions_ReturnsCorrectFileExtensions(ProgramFileKind fileKind, IEnumerable <string> expectedFileExtensions)
{
AssertCollectionsAreEquivalent(expectedFileExtensions, fileKind.FileExtensions());
}
/// <summary>
/// Gets the default file extension for a program file kind.
/// </summary>
/// <param name="fileKind">The kind of program file for which an extension is desired.</param>
/// <returns>The file extension.</returns>
/// <exception cref="KeyNotFoundException">Thrown if <paramref name="fileKind"/> is not supported.</exception>
public static string FileExtension(this ProgramFileKind fileKind)
{
return(fileKind.FileExtensions().First());
}