public void AddHandlers()
{
if (SelectedExtensions.Count > 0 && SelectedProfile != null)
{
if (SelectedExtensions.First().PropertyHandlerState == HandlerState.None && SelectedProfile.IsNull)
{
MessageBox.Show(LocalizedMessages.PleaseSelectProfile, LocalizedMessages.SetupHandler);
return;
}
else if (SelectedExtensions.First().PropertyHandlerState == HandlerState.Foreign)
{
if (SelectedProfile.IsNull)
{
if (MessageBox.Show(SelectedExtensions.Count > 1 ? LocalizedMessages.ConfirmCustomNoMerges : LocalizedMessages.ConfirmCustomNoMerge,
LocalizedMessages.SetupHandler, MessageBoxButton.YesNo) == MessageBoxResult.No)
{
return;
}
}
else
{
if (MessageBox.Show(string.Format(SelectedExtensions.Count > 1 ? LocalizedMessages.ConfirmCustomMerges : LocalizedMessages.ConfirmCustomMerge,
SelectedProfile.Name), LocalizedMessages.SetupHandler, MessageBoxButton.YesNo) == MessageBoxResult.No)
{
return;
}
}
}
foreach (Extension ext in SelectedExtensions)
{
ext.SetupHandlerForExtension(SelectedProfile, true);
if (ext.PropertyHandlerState == HandlerState.ProfileOnly)
{
MessageBox.Show(string.Format(LocalizedMessages.WindowsWontExtendHandler, ext.Name),
LocalizedMessages.SetupHandler);
}
}
}
OnPropertyChanged("Profiles");
DeterminePossibleActions();
SortRequired = true;
}
private void DeterminePossibleActions()
{
// Cases are:
// 1. All selected extensions have no handler: profile combo box is enabled and profile property lists are shown.
// 2. All selected extensions have File Meta handler: profile combo box is disabled and profile for the
// first selected extension is shown in combo box and profile property lists.
// 3. All other cases: profile combo box is disabled and profile property lists are empty.
handlersSelected = null;
foreach (Extension e in SelectedExtensions)
{
if (e.PropertyHandlerState == HandlerState.None)
{
if (handlersSelected == null)
{
handlersSelected = HandlerSet.None;
}
else if (handlersSelected == HandlerSet.None)
{
continue;
}
else
{
handlersSelected = HandlerSet.Other;
break;
}
}
else if (e.PropertyHandlerState == HandlerState.Foreign)
{
if (handlersSelected == null)
{
handlersSelected = HandlerSet.Foreign;
}
else if (handlersSelected == HandlerSet.Foreign)
{
continue;
}
else
{
handlersSelected = HandlerSet.Other;
break;
}
}
else if (e.PropertyHandlerState == HandlerState.Ours ||
e.PropertyHandlerState == HandlerState.Chained ||
e.PropertyHandlerState == HandlerState.ProfileOnly)
{
if (handlersSelected == null)
{
handlersSelected = HandlerSet.Ours;
}
else if (handlersSelected == HandlerSet.Ours)
{
continue;
}
else
{
handlersSelected = HandlerSet.Other;
break;
}
}
else
{
handlersSelected = HandlerSet.Other;
break;
}
}
if (handlersSelected == null)
{
handlersSelected = HandlerSet.Other;
}
customPreviewProfile = null;
customPreviewProfileBase = null;
switch (handlersSelected)
{
case HandlerSet.Ours:
SelectedProfile = SelectedExtensions.First().Profile;
break;
case HandlerSet.Foreign:
{
if (SelectedExtensions.Count == 1)
{
customPreviewProfileBase = SelectedExtensions.First().GetDefaultCustomProfile();
customPreviewProfile = customPreviewProfileBase;
}
SelectedProfile = null;
break;
}
case HandlerSet.None:
case HandlerSet.Other:
SelectedProfile = null;
break;
}
OnPropertyChanged("ProfileToDisplay");
OnPropertyChanged("CanChooseProfile");
OnPropertyChanged("CanAddPropertyHandlerEtc");
OnPropertyChanged("CanRemovePropertyHandlerEtc");
}