public ExtensionColumnCommandViewModel(IHasExtensionColumns page, string value)
: base(title: value, isSelected: page.SelectedExtensionColumns.Contains(value))
{
Value = value;
_Page = page;
page.PropertyChanged += Page_PropertyChanged;
Invalidate();
}
private AllColumnsCommandViewModel(IHasColumns page, long allFlags)
: base(page, allFlags, SR.SelectAll, isSelected: (page.Columns & allFlags) == allFlags)
{
_Extensions = page as IHasExtensionColumns;
if (_Extensions != null)
{
OnColumnsChanged();
}
}
private DefaultColumnsCommandViewModel(IHasColumns page, long allFlags)
: base(page,
page.DefaultColumns & allFlags,
SR.SelectDefault,
isSelected: (page.Columns & page.DefaultColumns & allFlags) == (page.DefaultColumns & allFlags),
unselectValue: ~page.DefaultColumns)
{
_AllFlags = allFlags;
_Extensions = page as IHasExtensionColumns;
if (_Extensions != null)
{
OnColumnsChanged();
}
}
public static IEnumerable <ExtensionColumnCommandViewModel> GetOrCreateExtensionColumnCommands(this IHasExtensionColumns page, IEnumerable <ExtensionColumnCommandViewModel> current)
{
var ret = new List <ExtensionColumnCommandViewModel>();
foreach (var c in page.ExtensionColumns)
{
ret.Add(current?.FirstOrDefault(e => e.Title == c) ?? new ExtensionColumnCommandViewModel(page, c));
}
if (page is IHasColumnModes m)
{
m.OnExtensionsCreated(ret);
}
return(ret);
}