9f01c8168b
Description of the changes: Adjusted some of the values in .clang-format Add clang-format-all.ps1 Fix path to .clang-format in Calculator.sln How changes were validated: Manual.
294 lines
13 KiB
C++
294 lines
13 KiB
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#pragma once
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namespace CalculatorApp
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{
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namespace Common
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{
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ref class AlwaysSelectedCollectionView sealed : public Windows::UI::Xaml::DependencyObject, public Windows::UI::Xaml::Data::ICollectionView
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{
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internal : AlwaysSelectedCollectionView(Windows::UI::Xaml::Interop::IBindableVector ^ source)
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: m_currentPosition(-1)
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{
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m_source = source;
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Windows::UI::Xaml::Interop::IBindableObservableVector ^ observable =
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dynamic_cast<Windows::UI::Xaml::Interop::IBindableObservableVector ^>(source);
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if (observable)
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{
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observable->VectorChanged += ref new Windows::UI::Xaml::Interop::BindableVectorChangedEventHandler(
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this, &AlwaysSelectedCollectionView::OnSourceBindableVectorChanged);
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}
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}
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private:
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// ICollectionView
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// Not implemented methods
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virtual Windows::Foundation::IAsyncOperation<
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Windows::UI::Xaml::Data::LoadMoreItemsResult> ^ LoadMoreItemsAsync(unsigned int) = Windows::UI::Xaml::Data::ICollectionView::LoadMoreItemsAsync
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual bool MoveCurrentToFirst() = Windows::UI::Xaml::Data::ICollectionView::MoveCurrentToFirst
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual bool MoveCurrentToLast() = Windows::UI::Xaml::Data::ICollectionView::MoveCurrentToLast
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual bool MoveCurrentToNext() = Windows::UI::Xaml::Data::ICollectionView::MoveCurrentToNext
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual bool MoveCurrentToPrevious() = Windows::UI::Xaml::Data::ICollectionView::MoveCurrentToPrevious
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{
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throw ref new Platform::NotImplementedException();
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}
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property Windows::Foundation::Collections::IObservableVector<Platform::Object ^> ^ CollectionGroups {
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virtual Windows::Foundation::Collections::IObservableVector<
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Platform::Object ^> ^ get() = Windows::UI::Xaml::Data::ICollectionView::CollectionGroups::get
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{
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return ref new Platform::Collections::Vector<Platform::Object ^>();
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}
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} property bool HasMoreItems
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{
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virtual bool get() = Windows::UI::Xaml::Data::ICollectionView::HasMoreItems::get
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{
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return false;
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}
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}
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// Implementented methods
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virtual bool MoveCurrentTo(Platform::Object ^ item) = Windows::UI::Xaml::Data::ICollectionView::MoveCurrentTo
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{
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if (item)
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{
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unsigned int newCurrentPosition = 0;
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bool result = m_source->IndexOf(item, &newCurrentPosition);
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if (result)
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{
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m_currentPosition = newCurrentPosition;
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m_currentChanged(this, nullptr);
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return true;
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}
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}
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// The item is not in the collection
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// We're going to schedule a call back later so we
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// restore the selection to the way we wanted it to begin with
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if (m_currentPosition >= 0 && m_currentPosition < static_cast<int>(m_source->Size))
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{
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this->Dispatcher->RunAsync(Windows::UI::Core::CoreDispatcherPriority::Normal, ref new Windows::UI::Core::DispatchedHandler([this]() {
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m_currentChanged(this, nullptr);
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}));
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}
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return false;
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}
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virtual bool MoveCurrentToPosition(int index) = Windows::UI::Xaml::Data::ICollectionView::MoveCurrentToPosition
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{
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if (index < 0 || index >= static_cast<int>(m_source->Size))
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{
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return false;
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}
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m_currentPosition = index;
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m_currentChanged(this, nullptr);
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return true;
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}
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property Platform::Object^ CurrentItem
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{
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virtual Platform::Object^ get() = Windows::UI::Xaml::Data::ICollectionView::CurrentItem::get
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{
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if (m_currentPosition >= 0 && m_currentPosition < static_cast<int>(m_source->Size))
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{
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return m_source->GetAt(m_currentPosition);
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}
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return nullptr;
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}
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}
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property int CurrentPosition
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{
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virtual int get() = Windows::UI::Xaml::Data::ICollectionView::CurrentPosition::get
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{
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return m_currentPosition;
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}
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}
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property bool IsCurrentAfterLast
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{
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virtual bool get() = Windows::UI::Xaml::Data::ICollectionView::IsCurrentAfterLast::get
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{
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return m_currentPosition >= static_cast<int>(m_source->Size);
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}
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}
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property bool IsCurrentBeforeFirst
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{
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virtual bool get() = Windows::UI::Xaml::Data::ICollectionView::IsCurrentBeforeFirst::get
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{
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return m_currentPosition < 0;
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}
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}
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event Windows::Foundation::EventHandler<Platform::Object^>^ CurrentChanged
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{
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virtual Windows::Foundation::EventRegistrationToken add(Windows::Foundation::EventHandler<Platform::Object^>^ handler) = Windows::UI::Xaml::Data::ICollectionView::CurrentChanged::add
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{
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return m_currentChanged += handler;
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}
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virtual void remove(Windows::Foundation::EventRegistrationToken token) = Windows::UI::Xaml::Data::ICollectionView::CurrentChanged::remove
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{
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m_currentChanged -= token;
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}
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}
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event Windows::UI::Xaml::Data::CurrentChangingEventHandler^ CurrentChanging
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{
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virtual Windows::Foundation::EventRegistrationToken add(Windows::UI::Xaml::Data::CurrentChangingEventHandler^ handler) = Windows::UI::Xaml::Data::ICollectionView::CurrentChanging::add
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{
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return m_currentChanging += handler;
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}
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virtual void remove(Windows::Foundation::EventRegistrationToken token) = Windows::UI::Xaml::Data::ICollectionView::CurrentChanging::remove
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{
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m_currentChanging -= token;
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}
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}
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// IVector<Object^>
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// Not implemented methods
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virtual void Append(Platform::Object^ /*item*/) = Windows::Foundation::Collections::IVector<Platform::Object^>::Append
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual void Clear() = Windows::Foundation::Collections::IVector<Platform::Object ^>::Clear
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual unsigned int GetMany(
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unsigned int /*startIndex*/,
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Platform::WriteOnlyArray<Platform::Object ^> ^ /*items*/) = Windows::Foundation::Collections::IVector<Platform::Object ^>::GetMany
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual Windows::Foundation::Collections::IVectorView<Platform::Object ^> ^ GetView() = Windows::Foundation::Collections::IVector<
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Platform::Object ^>::GetView
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual void InsertAt(unsigned int /*index*/, Platform::Object ^ /*item*/) = Windows::Foundation::Collections::IVector<Platform::Object ^>::InsertAt
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual void RemoveAt(unsigned int /*index*/) = Windows::Foundation::Collections::IVector<Platform::Object ^>::RemoveAt
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual void RemoveAtEnd() = Windows::Foundation::Collections::IVector<Platform::Object ^>::RemoveAtEnd
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual void
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ReplaceAll(const Platform::Array<Platform::Object ^> ^ /*items*/) = Windows::Foundation::Collections::IVector<Platform::Object ^>::ReplaceAll
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{
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throw ref new Platform::NotImplementedException();
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}
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virtual void SetAt(unsigned int /*index*/, Platform::Object ^ /*item*/) = Windows::Foundation::Collections::IVector<Platform::Object ^>::SetAt
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{
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throw ref new Platform::NotImplementedException();
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}
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// Implemented methods
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virtual Platform::Object ^ GetAt(unsigned int index) = Windows::Foundation::Collections::IVector<Platform::Object ^>::GetAt
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{
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return m_source->GetAt(index);
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}
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virtual bool IndexOf(Platform::Object ^ item, unsigned int* index) = Windows::Foundation::Collections::IVector<Platform::Object ^>::IndexOf
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{
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return m_source->IndexOf(item, index);
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}
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property unsigned int Size
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{
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virtual unsigned int get() = Windows::Foundation::Collections::IVector<Platform::Object ^>::Size::get
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{
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return m_source->Size;
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}
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}
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// IObservableVector<Object^>
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event Windows::Foundation::Collections::VectorChangedEventHandler<Platform::Object^>^ VectorChanged
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{
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virtual Windows::Foundation::EventRegistrationToken add(Windows::Foundation::Collections::VectorChangedEventHandler<Platform::Object^>^ handler) = Windows::Foundation::Collections::IObservableVector<Platform::Object^>::VectorChanged::add
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{
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return m_vectorChanged += handler;
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}
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virtual void remove(Windows::Foundation::EventRegistrationToken token) = Windows::Foundation::Collections::IObservableVector<Platform::Object^>::VectorChanged::remove
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{
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m_vectorChanged -= token;
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}
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}
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// IIterable<Object^>
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// Not implemented
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virtual Windows::Foundation::Collections::IIterator<Platform::Object^>^ First() = Windows::Foundation::Collections::IIterable<Platform::Object^>::First
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{
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throw ref new Platform::NotImplementedException();
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}
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// Event handlers
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void OnSourceBindableVectorChanged(Windows::UI::Xaml::Interop::IBindableObservableVector ^ source, Platform::Object ^ e)
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{
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Windows::Foundation::Collections::IVectorChangedEventArgs ^ args = safe_cast<Windows::Foundation::Collections::IVectorChangedEventArgs ^>(e);
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m_vectorChanged(this, args);
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}
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Windows::UI::Xaml::Interop::IBindableVector ^ m_source;
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int m_currentPosition;
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event Windows::Foundation::EventHandler<Platform::Object ^> ^ m_currentChanged;
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event Windows::UI::Xaml::Data::CurrentChangingEventHandler ^ m_currentChanging;
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event Windows::Foundation::Collections::VectorChangedEventHandler<Platform::Object ^> ^ m_vectorChanged;
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};
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public
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ref class AlwaysSelectedCollectionViewConverter sealed : public Windows::UI::Xaml::Data::IValueConverter
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{
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public:
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AlwaysSelectedCollectionViewConverter()
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{
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}
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private:
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virtual Platform::Object
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^ Convert(
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Platform::Object ^ value,
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Windows::UI::Xaml::Interop::TypeName /*targetType*/,
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Platform::Object ^ /*parameter*/,
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Platform::String ^ /*language*/) = Windows::UI::Xaml::Data::IValueConverter::Convert
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{
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auto result = dynamic_cast<Windows::UI::Xaml::Interop::IBindableVector ^>(value);
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if (result)
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{
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return ref new AlwaysSelectedCollectionView(result);
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}
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return Windows::UI::Xaml::DependencyProperty::UnsetValue; // Can't convert
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}
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virtual Platform::Object
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^ ConvertBack(
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Platform::Object ^ /*value*/,
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Windows::UI::Xaml::Interop::TypeName /*targetType*/,
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Platform::Object ^ /*parameter*/,
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Platform::String ^ /*language*/) = Windows::UI::Xaml::Data::IValueConverter::ConvertBack
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{
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return Windows::UI::Xaml::DependencyProperty::UnsetValue;
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}
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};
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}
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}
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