66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#include "pch.h"
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#include "HistoryItemViewModel.h"
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#include "Common/LocalizationService.h"
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using namespace CalculatorApp::Common;
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using namespace CalculatorApp::ViewModel;
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using namespace std;
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using namespace Platform;
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HistoryItemViewModel::HistoryItemViewModel(String^ expression, String^ result,
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_In_ const shared_ptr<CalculatorVector <pair<wstring, int>>> &spTokens,
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_In_ const shared_ptr<CalculatorVector<shared_ptr<IExpressionCommand>>> &spCommands) :m_expression(expression), m_result(result), m_spTokens(spTokens), m_spCommands(spCommands)
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{
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// updating accessibility names for expression and result
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m_accExpression = HistoryItemViewModel::GetAccessibleExpressionFromTokens(spTokens, m_expression);
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m_accResult = LocalizationService::GetNarratorReadableString(m_result);
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}
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String^ HistoryItemViewModel::GetAccessibleExpressionFromTokens(_In_ shared_ptr< CalculatorVector< pair< wstring, int > > > const &spTokens, _In_ String^ fallbackExpression)
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{
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// updating accessibility names for expression and result
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wstringstream accExpression{};
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accExpression << L"";
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unsigned int nTokens;
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HRESULT hr = spTokens->GetSize(&nTokens);
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if (SUCCEEDED(hr))
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{
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pair<wstring, int> tokenItem;
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for (unsigned int i = 0; i < nTokens; i++)
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{
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hr = spTokens->GetAt(i, &tokenItem);
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if (FAILED(hr))
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{
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break;
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}
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wstring token = tokenItem.first;
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accExpression << LocalizationService::GetNarratorReadableToken(StringReference(token.c_str()))->Data();
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}
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}
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if (SUCCEEDED(hr))
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{
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wstring expressionSuffix{};
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hr = spTokens->GetExpressionSuffix(&expressionSuffix);
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if (SUCCEEDED(hr))
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{
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accExpression << expressionSuffix;
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}
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}
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if (FAILED(hr))
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{
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return LocalizationService::GetNarratorReadableString(fallbackExpression);
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}
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else
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{
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return ref new String(accExpression.str().c_str());
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}
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}
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