private void CloseTopTab(string tabId, ViewModelBase vm, Action closeCallback = null)
{
var button = _buttonLookup[tabId];
_buttonLookup.Remove(tabId);
var tabIndex = TopTabs.IndexOf(button);
TopTabs.Remove(button);
if (TopPanelContent.Value == vm)
{
//select the next tab and update the top panel content
var nextTab = TopTabs.ElementAtOrDefault(tabIndex) ?? TopTabs.ElementAtOrDefault(tabIndex - 1);
if (nextTab == null)
{
TopPanelContent.Value = null;
}
else
{
nextTab.Command.Execute(null);
}
}
closeCallback?.Invoke();
_currentViewModels.Remove(vm);
vm.Dispose();
}
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;
}
protected override void OnActionExecuting(ActionExecutingContext filterContext)
{
if (!filterContext.IsChildAction)
{
_stopStep(_betweenInitializeAndActionExecuting);
_betweenActionExecutingAndExecuted = _startStep(nameof(OnActionExecuting));
TopTabs.SetCurrent(filterContext.Controller.GetType());
}
var iSettings = SettingsModule as ModuleSettings;
if (iSettings?.Enabled == false)
{
filterContext.Result = DefaultAction();
}
else
{
base.OnActionExecuting(filterContext);
}
}
private void NewDocument()
{
AddOrSelectDocumentButton(UniqueNameGenerator.FirstAvailableNumbered("Untitled ", TopTabs.Select(x => x.Text.Value)));
}
public MainViewModel()
{
ApplicationState.SetMessageAreaText = msg => MessageAreaText.Value = msg;
ApplicationState.SetMessageAreaTextColor = color => MessageAreaTextColor.Value = color;
ApplicationState.OpenDocument = x => {
if (!File.Exists(x))
{
throw new FileNotFoundException($"File [{x}] not found.");
}
AddOrSelectDocumentButton(x);
};
AddLeftPanelToggleButton("Menu", ApplicationState.MainMenu);
var fileExplorer = NewVm(new FileExplorerViewModel(Environment.GetFolderPath(Environment.SpecialFolder.Desktop)));
AddLeftPanelToggleButton(
"Files",
fileExplorer,
x => fileExplorer.IsExpanded.Value = x
);
var newDocumentCommand = new RelayCommand(y => NewDocument());
ApplicationState.MainMenu.SetMenuButton(
"New File",
new ButtonViewModel(
"New File",
newDocumentCommand
)
);
ApplicationState.NewDocument = () => newDocumentCommand.Execute(null);
ApplicationState.MainMenu.SetMenuButton(
"Bindings",
new ButtonViewModel(
"Key Bindings",
new RelayCommand(x => AddOrSelectTopPanelButton("Key Bindings", () => new KeyBindingsViewModel()))
)
);
if (ArgsAndSettings.CachedFiles.Count() == 0 && string.IsNullOrEmpty(ArgsAndSettings.OpenOnStartup)) //nothing to load
{
newDocumentCommand.Execute(null);
}
else
{
if (!string.IsNullOrEmpty(ArgsAndSettings.OpenOnStartup))
{
AddOrSelectDocumentButton(ArgsAndSettings.OpenOnStartup);
}
//load previously open files
foreach (var fileInfo in ArgsAndSettings.CachedFiles.ToArray())
{
AddOrSelectDocumentButton(fileInfo.OriginalFilePath ?? fileInfo.CachedFilePath);
}
}
TopTabs.First().IsSelected.Value = true;
}
