private void AddOrSelectDocumentButton(string filePath)
{
ISelectableButtonViewModel button;
if (!_buttonLookup.TryGetValue(filePath, out button))
{
var vm = new Lazy <DocumentViewModel>(() => NewVm(
new DocumentViewModel(
filePath,
(oldPath, newPath) => {
_buttonLookup.Remove(oldPath);
_buttonLookup[newPath] = button;
filePath = newPath;
}
)
));
var cmd = new RelayCommand(x => TopPanelContent.Value = vm.Value);
var closeCmd = new RelayCommand(x => {
if (_currentViewModels.Count(y => y is DocumentViewModel) == 1)
{
NewDocument();
}
CloseTopTab(filePath, vm.Value, vm.Value.Close);
});
_buttonLookup[filePath] = button = new FileTabButtonViewModel(cmd, closeCmd, vm.Value);
TopTabs.Add(button);
}
button.IsSelected.Value = true;
}
private void AddOrSelectTopPanelButton(string text, Func <ViewModelBase> vmGenerator)
{
ISelectableButtonViewModel button;
if (!_buttonLookup.TryGetValue(text, out button))
{
var vm = new Lazy <ViewModelBase>(() => NewVm(vmGenerator()));
var cmd = new RelayCommand(x => TopPanelContent.Value = vm.Value);
var closeCmd = new RelayCommand(x => CloseTopTab(text, vm.Value));
_buttonLookup[text] = button = new SelectableCloseableButtonViewModel(text, cmd, closeCmd);
TopTabs.Add(button);
}
button.IsSelected.Value = true;
}