Add Extensions page to Settings UI

src/cascadia/TerminalSettingsEditor/AddProfile.xaml

@@ -59,7 +59,7 @@
                                 <IconSourceElement Grid.Column="0"
                                                    Width="16"
                                                    Height="16"
-                                                   IconSource="{x:Bind mtu:IconPathConverter.IconSourceWUX(Icon), Mode=OneTime}" />
+                                                   IconSource="{x:Bind mtu:IconPathConverter.IconSourceWUX(EvaluatedIcon), Mode=OneTime}" />
 
                                 <TextBlock Grid.Column="1"
                                            Text="{x:Bind Name}" />

src/cascadia/TerminalSettingsEditor/CommonResources.xaml

@@ -1199,7 +1199,7 @@
         <Setter Property="HorizontalAlignment" Value="Stretch" />
         <Setter Property="CornerRadius" Value="{ThemeResource ControlCornerRadius}" />
         <Setter Property="VerticalAlignment" Value="Stretch" />
-        <Setter Property="HorizontalContentAlignment" Value="Left" />
+        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
         <Setter Property="VerticalContentAlignment" Value="Center" />
         <Setter Property="Template">
             <Setter.Value>
@@ -1222,7 +1222,8 @@
                                           Content="{TemplateBinding Content}"
                                           ContentTemplate="{TemplateBinding ContentTemplate}"
                                           ContentTransitions="{TemplateBinding ContentTransitions}" />
-                        <FontIcon Margin="20,0,8,0"
+                        <FontIcon Grid.Column="1"
+                                  Margin="20,0,8,0"
                                   HorizontalAlignment="Right"
                                   FontSize="10"
                                   FontWeight="Black"

src/cascadia/TerminalSettingsEditor/Extensions.cpp

@@ -0,0 +1,303 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+#include "pch.h"
+#include "Extensions.h"
+#include "Extensions.g.cpp"
+#include "ExtensionPackageViewModel.g.cpp"
+#include "ExtensionsViewModel.g.cpp"
+#include "FragmentProfileViewModel.g.cpp"
+
+#include <LibraryResources.h>
+#include "..\WinRTUtils\inc\Utils.h"
+
+using namespace winrt::Windows::Foundation;
+using namespace winrt::Windows::Foundation::Collections;
+using namespace winrt::Windows::UI::Xaml;
+using namespace winrt::Windows::UI::Xaml::Controls;
+using namespace winrt::Windows::UI::Xaml::Navigation;
+
+namespace winrt::Microsoft::Terminal::Settings::Editor::implementation
+{
+    Extensions::Extensions()
+    {
+        InitializeComponent();
+    }
+
+    void Extensions::OnNavigatedTo(const NavigationEventArgs& e)
+    {
+        _ViewModel = e.Parameter().as<Editor::ExtensionsViewModel>();
+    }
+
+    void Extensions::ExtensionLoaded(const IInspectable& sender, const RoutedEventArgs& /*args*/)
+    {
+        const auto& toggleSwitch = sender.as<Controls::ToggleSwitch>();
+        const auto& extensionSource = toggleSwitch.Tag().as<hstring>();
+        toggleSwitch.IsOn(_ViewModel.GetExtensionState(extensionSource));
+    }
+
+    void Extensions::ExtensionToggled(const IInspectable& sender, const RoutedEventArgs& /*args*/)
+    {
+        const auto& toggleSwitch = sender.as<Controls::ToggleSwitch>();
+        const auto& extensionSource = toggleSwitch.Tag().as<hstring>();
+        _ViewModel.SetExtensionState(extensionSource, toggleSwitch.IsOn());
+    }
+
+    void Extensions::ExtensionNavigator_Click(const IInspectable& sender, const RoutedEventArgs& /*args*/)
+    {
+        const auto source = sender.as<Controls::Button>().Tag().as<hstring>();
+        _ViewModel.CurrentExtensionSource(source);
+    }
+
+    void Extensions::NavigateToProfile_Click(const IInspectable& sender, const RoutedEventArgs& /*args*/)
+    {
+        const auto& profileGuid = sender.as<Controls::Button>().Tag().as<guid>();
+        get_self<ExtensionsViewModel>(_ViewModel)->NavigateToProfile(profileGuid);
+    }
+
+    void Extensions::NavigateToColorScheme_Click(const IInspectable& sender, const RoutedEventArgs& /*args*/)
+    {
+        const auto& schemeVM = sender.as<Controls::Button>().Tag().as<Editor::ColorSchemeViewModel>();
+        get_self<ExtensionsViewModel>(_ViewModel)->NavigateToColorScheme(schemeVM);
+    }
+
+    ExtensionsViewModel::ExtensionsViewModel(const Model::CascadiaSettings& settings, const Editor::ColorSchemesPageViewModel& colorSchemesPageVM) :
+        _settings{ settings },
+        _colorSchemesPageVM{ colorSchemesPageVM }
+    {
+        UpdateSettings(settings, colorSchemesPageVM);
+
+        PropertyChanged([this](auto&&, const PropertyChangedEventArgs& args) {
+            const auto viewModelProperty{ args.PropertyName() };
+            if (viewModelProperty == L"CurrentExtensionSource")
+            {
+                // Update the views to reflect the current extension source, if one is selected.
+                // Otherwise, show components from all extensions
+                _profilesModifiedView.Clear();
+                _profilesAddedView.Clear();
+                _colorSchemesAddedView.Clear();
+
+                const auto currentExtensionSource = CurrentExtensionSource();
+                for (const auto& ext : _fragmentExtensions)
+                {
+                    // No extension selected --> show all enabled extension components
+                    // Otherwise, only show the ones for the selected extension
+                    if (const auto extSrc = ext.Fragment().Source(); (currentExtensionSource.empty() && GetExtensionState(extSrc)) || extSrc == currentExtensionSource)
+                    {
+                        for (const auto& profile : ext.ProfilesModified())
+                        {
+                            _profilesModifiedView.Append(profile);
+                        }
+                        for (const auto& profile : ext.ProfilesAdded())
+                        {
+                            _profilesAddedView.Append(profile);
+                        }
+                        for (const auto& scheme : ext.ColorSchemesAdded())
+                        {
+                            _colorSchemesAddedView.Append(scheme);
+                        }
+                    }
+                }
+
+                _NotifyChanges(L"IsExtensionView", L"CurrentExtensionFragments");
+            }
+        });
+    }
+
+    void ExtensionsViewModel::UpdateSettings(const Model::CascadiaSettings& settings, const Editor::ColorSchemesPageViewModel& colorSchemesPageVM)
+    {
+        _settings = settings;
+        _colorSchemesPageVM = colorSchemesPageVM;
+        _extensionSources.clear();
+        _CurrentExtensionSource.clear();
+
+        std::vector<Model::FragmentSettings> extensions;
+        extensions.reserve(settings.FragmentExtensions().Size() + settings.DynamicProfileGenerators().Size());
+        for (auto ext : settings.FragmentExtensions())
+        {
+            extensions.push_back(ext);
+        }
+        for (auto ext : settings.DynamicProfileGenerators())
+        {
+            extensions.push_back(ext);
+        }
+
+        std::vector<Editor::FragmentExtensionViewModel> extensionVMs;
+        extensionVMs.reserve(extensions.size());
+
+        // these vectors track components all extensions successfully added
+        std::vector<Editor::FragmentProfileViewModel> profilesModifiedTotal;
+        std::vector<Editor::FragmentProfileViewModel> profilesAddedTotal;
+        std::vector<Editor::FragmentColorSchemeViewModel> colorSchemesAddedTotal;
+        for (const auto& fragExt : extensions)
+        {
+            const auto extensionEnabled = GetExtensionState(fragExt.Source());
+
+            // these vectors track everything the current extension attempted to bring in
+            std::vector<Editor::FragmentProfileViewModel> currentProfilesModified;
+            std::vector<Editor::FragmentProfileViewModel> currentProfilesAdded;
+            std::vector<Editor::FragmentColorSchemeViewModel> currentColorSchemesAdded;
+
+            for (const auto&& entry : fragExt.ModifiedProfilesView())
+            {
+                // Ensure entry successfully modifies a profile before creating and registering the object
+                if (const auto& deducedProfile = _settings.FindProfile(entry.ProfileGuid()))
+                {
+                    auto vm = winrt::make<FragmentProfileViewModel>(entry, fragExt, deducedProfile);
+                    currentProfilesModified.push_back(vm);
+                    if (extensionEnabled)
+                    {
+                        profilesModifiedTotal.push_back(vm);
+                    }
+                }
+            }
+
+            for (const auto&& entry : fragExt.NewProfilesView())
+            {
+                // Ensure entry successfully points to a profile before creating and registering the object.
+                // The profile may have been removed by the user.
+                if (const auto& deducedProfile = _settings.FindProfile(entry.ProfileGuid()))
+                {
+                    auto vm = winrt::make<FragmentProfileViewModel>(entry, fragExt, deducedProfile);
+                    currentProfilesAdded.push_back(vm);
+                    if (extensionEnabled)
+                    {
+                        profilesAddedTotal.push_back(vm);
+                    }
+                }
+            }
+
+            for (const auto&& entry : fragExt.ColorSchemesView())
+            {
+                for (const auto& schemeVM : _colorSchemesPageVM.AllColorSchemes())
+                {
+                    if (schemeVM.Name() == entry.ColorSchemeName())
+                    {
+                        auto vm = winrt::make<FragmentColorSchemeViewModel>(entry, fragExt, schemeVM);
+                        currentColorSchemesAdded.push_back(vm);
+                        if (extensionEnabled)
+                        {
+                            colorSchemesAddedTotal.push_back(vm);
+                        }
+                    }
+                }
+            }
+
+            _extensionSources.insert(fragExt.Source());
+            extensionVMs.push_back(winrt::make<FragmentExtensionViewModel>(fragExt, currentProfilesModified, currentProfilesAdded, currentColorSchemesAdded));
+        }
+
+        _fragmentExtensions = single_threaded_observable_vector<Editor::FragmentExtensionViewModel>(std::move(extensionVMs));
+        _profilesModifiedView = single_threaded_observable_vector<Editor::FragmentProfileViewModel>(std::move(profilesModifiedTotal));
+        _profilesAddedView = single_threaded_observable_vector<Editor::FragmentProfileViewModel>(std::move(profilesAddedTotal));
+        _colorSchemesAddedView = single_threaded_observable_vector<Editor::FragmentColorSchemeViewModel>(std::move(colorSchemesAddedTotal));
+    }
+
+    IVector<IInspectable> ExtensionsViewModel::CurrentExtensionFragments() const noexcept
+    {
+        std::vector<IInspectable> fragmentExtensionVMs;
+        for (auto&& extVM : _fragmentExtensions)
+        {
+            if (_CurrentExtensionSource.empty() || extVM.Fragment().Source() == _CurrentExtensionSource)
+            {
+                fragmentExtensionVMs.push_back(extVM);
+            }
+        }
+        return winrt::single_threaded_vector<IInspectable>(std::move(fragmentExtensionVMs));
+    }
+
+    hstring ExtensionsViewModel::CurrentExtensionScope() const noexcept
+    {
+        if (!_CurrentExtensionSource.empty())
+        {
+            for (auto&& extVM : _fragmentExtensions)
+            {
+                const auto& fragExt = extVM.Fragment();
+                if (fragExt.Source() == _CurrentExtensionSource)
+                {
+                    return fragExt.Scope() == Model::FragmentScope::User ? RS_(L"Extensions_ScopeUser") : RS_(L"Extensions_ScopeSystem");
+                }
+            }
+        }
+        return hstring{};
+    }
+
+    IObservableVector<Editor::ExtensionPackageViewModel> ExtensionsViewModel::ExtensionPackages() const noexcept
+    {
+        std::vector<Editor::ExtensionPackageViewModel> extensionPackages;
+        for (auto&& extSrc : _extensionSources)
+        {
+            extensionPackages.push_back(winrt::make<ExtensionPackageViewModel>(extSrc, GetExtensionState(extSrc)));
+        }
+        return winrt::single_threaded_observable_vector<Editor::ExtensionPackageViewModel>(std::move(extensionPackages));
+    }
+
+    // Returns true if the extension is enabled, false otherwise
+    bool ExtensionsViewModel::GetExtensionState(hstring extensionSource) const
+    {
+        if (const auto& disabledExtensions = _DisabledProfileSources())
+        {
+            uint32_t ignored;
+            return !disabledExtensions.IndexOf(extensionSource, ignored);
+        }
+        // "disabledProfileSources" not defined --> all extensions are enabled
+        return true;
+    }
+
+    // Enable/Disable an extension
+    void ExtensionsViewModel::SetExtensionState(hstring extensionSource, bool enableExt)
+    {
+        // get the current status of the extension
+        uint32_t idx;
+        bool currentlyEnabled = true;
+        const auto& disabledExtensions = _DisabledProfileSources();
+        if (disabledExtensions)
+        {
+            currentlyEnabled = !disabledExtensions.IndexOf(extensionSource, idx);
+        }
+
+        // current status mismatches the desired status,
+        // update the list of disabled extensions
+        if (currentlyEnabled != enableExt)
+        {
+            // If we're disabling an extension and we don't have "disabledProfileSources" defined,
+            // create it in the model directly
+            if (!disabledExtensions && !enableExt)
+            {
+                std::vector<hstring> disabledProfileSources{ extensionSource };
+                _settings.GlobalSettings().DisabledProfileSources(single_threaded_vector<hstring>(std::move(disabledProfileSources)));
+                return;
+            }
+
+            // Update the list of disabled extensions
+            if (enableExt)
+            {
+                disabledExtensions.RemoveAt(idx);
+            }
+            else
+            {
+                disabledExtensions.Append(extensionSource);
+            }
+        }
+    }
+
+    void ExtensionsViewModel::NavigateToProfile(const guid profileGuid)
+    {
+        NavigateToProfileRequested.raise(*this, profileGuid);
+    }
+
+    void ExtensionsViewModel::NavigateToColorScheme(const Editor::ColorSchemeViewModel& schemeVM)
+    {
+        _colorSchemesPageVM.CurrentScheme(schemeVM);
+        NavigateToColorSchemeRequested.raise(*this, nullptr);
+    }
+
+    hstring ExtensionPackageViewModel::AccessibleName() const noexcept
+    {
+        if (_enabled)
+        {
+            return _source;
+        }
+        return hstring{ fmt::format(L"{}: {}", _source, RS_(L"Extension_StateDisabled/Text")) };
+    }
+}