public void TestConvertTo()
{
FileFiltersTypeConverter converter = new FileFiltersTypeConverter();
Assert.AreEqual(true, converter.CanConvertTo(typeof(string)));
Assert.AreEqual(true, converter.CanConvertTo(typeof(IList <IFileFilter>)));
IList <IFileFilter> filters = new List <IFileFilter>()
{
FileFilter.Create("Test", "*.cs")
};
string filterStr = converter.ConvertTo(filters, typeof(string)) as string;
Assert.IsNotNull(filterStr);
Assert.AreEqual("Test|*.cs", filterStr);
filterStr = converter.ConvertTo(filterStr, typeof(string)) as string;
Assert.IsNotNull(filterStr);
Assert.AreEqual("Test|*.cs", filterStr);
filterStr = converter.ConvertFrom(null) as string;
Assert.IsNull(filterStr);
}
public void TestConvertFileFilterToString()
{
IFileFilter fileFilter = FileFilter.Create("Test", "*.cs");
string filterStr1 = FileFilterHelper.ConvertFileFilterToString(fileFilter);
string filterStr2 = filterStr1.ToString();
Assert.AreEqual("Test|*.cs", filterStr1);
Assert.AreEqual("Test|*.cs", filterStr2);
}
/// <summary>
/// Parses a file filter out of a filter portion string similar to the original .NET API
/// (see https://docs.microsoft.com/de-de/dotnet/api/microsoft.win32.filedialog.filter?view=netframework-4.7.1#Microsoft_Win32_FileDialog_Filter).
/// </summary>
/// <param name="label">The label of the filter</param>
/// <param name="filters">The filter portion string like: *.cs;*.xaml</param>
/// <returns></returns>
public static IFileFilter ParseFileFilter(string label, string filters)
{
if (string.IsNullOrWhiteSpace(label))
{
throw new ArgumentException(nameof(label) + " must not be empty");
}
IEnumerable <string> regularExpressions = ParseFilterRegularExpressions(filters);
return(FileFilter.Create(label, filters, regularExpressions));
}
public void TestConvertFileFiltersToString()
{
IList <IFileFilter> fileFilters = new List <IFileFilter>()
{
FileFilter.Create("Test", "*.cs"),
FileFilter.Create("Web", "*.html;*.js")
};
string filtersStr = FileFilterHelper.ConvertFileFiltersToString(fileFilters);
Assert.AreEqual("Test|*.cs|Web|*.html;*.js", filtersStr);
}
public static string OpenOrSaveFile(BaseFileControl dialog, Window owner)
{
dialog.Filters = new List <IFileFilter>()
{
FileFilter.Create("JSON配置文件", "*.json")
};
dialog.GroupFoldersAndFiles = true;
FileDialog win = new FileDialog();
win.Content = dialog;
win.Owner = owner;
string path = null;
dialog.FileSelected += (s, e) =>
{
path = dialog.CurrentFile;
win.Close();
};
win.ShowDialog();
return(path);
}
