Updated the DateCalculation narrator logic to use PropertyChangedCallbacks for the DateResultLabel and DateDiffAllUnitsResultLabel TextBlocks.

This commit is contained in:
Stephanie Anderl 2019-03-01 16:02:36 -08:00
commit df7b3950be
5 changed files with 18 additions and 29 deletions

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@ -1,4 +1,4 @@
// Copyright (c) Microsoft Corporation. All rights reserved.
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
#include "pch.h"

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@ -1,4 +1,4 @@
// Copyright (c) Microsoft Corporation. All rights reserved.
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
#pragma once
@ -57,7 +57,7 @@ namespace CalculatorApp::Common::Automation
private:
// Make CalculatorAnnouncement a friend class so it is the only
// class that can access the private constructor.
friend class CalculatorAnnouncement;
friend ref class CalculatorAnnouncement;
NarratorAnnouncement(
Platform::String^ announcement,
@ -73,7 +73,7 @@ namespace CalculatorApp::Common::Automation
// CalculatorAnnouncement is intended to contain only static methods
// that return announcements made for the Calculator app.
class CalculatorAnnouncement
public ref class CalculatorAnnouncement sealed
{
public:
static NarratorAnnouncement^ GetDisplayUpdatedAnnouncement(Platform::String^ announcement);
@ -90,5 +90,9 @@ namespace CalculatorApp::Common::Automation
static NarratorAnnouncement^ GetUpdateCurrencyRatesAnnouncement(Platform::String^ announcement);
static NarratorAnnouncement^ GetDisplayCopiedAnnouncement(Platform::String^ announcement);
private:
CalculatorAnnouncement() { }
};
}

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@ -1,6 +1,7 @@
<UserControl x:Class="CalculatorApp.DateCalculator"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:automation="using:CalculatorApp.Common.Automation"
xmlns:controls="using:CalculatorApp.Controls"
xmlns:converters="using:CalculatorApp.Converters"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
@ -428,7 +429,6 @@
Style="{StaticResource DateCalculation_CalendarPickerStyle}"
AutomationProperties.LabeledBy="{x:Bind Date_FromLabel}"
CalendarViewStyle="{StaticResource DateCalculation_CalendarViewStyle}"
Closed="CalendarFlyoutClosed"
DateChanged="FromDate_DateChanged"/>
<!-- To Date -->
@ -444,7 +444,6 @@
Style="{StaticResource DateCalculation_CalendarPickerStyle}"
AutomationProperties.LabeledBy="{x:Bind Date_ToLabel}"
CalendarViewStyle="{StaticResource DateCalculation_CalendarViewStyle}"
Closed="CalendarFlyoutClosed"
DateChanged="ToDate_DateChanged"/>
<!-- Difference Result -->
@ -502,7 +501,6 @@
Style="{StaticResource DateCalculation_CalendarPickerStyle}"
AutomationProperties.LabeledBy="{x:Bind AddSubtract_Date_FromLabel}"
CalendarViewStyle="{StaticResource DateCalculation_CalendarViewStyle}"
Closed="CalendarFlyoutClosed"
DateChanged="AddSubtract_DateChanged"/>
<Grid Grid.Row="4">
@ -551,7 +549,6 @@
Grid.Row="1"
MinWidth="84"
AutomationProperties.LabeledBy="{Binding ElementName=YearsLabel}"
DropDownClosed="OffsetDropDownClosed"
ItemsSource="{Binding OffsetValues, Mode=OneTime}"
SelectedIndex="{Binding YearsOffset, Mode=TwoWay}"
SelectionChanged="OffsetValue_Changed"/>
@ -567,7 +564,6 @@
MinWidth="84"
Margin="12,0,12,0"
AutomationProperties.LabeledBy="{Binding ElementName=MonthsLabel}"
DropDownClosed="OffsetDropDownClosed"
ItemsSource="{Binding OffsetValues, Mode=OneTime}"
SelectedIndex="{Binding MonthsOffset, Mode=TwoWay}"
SelectionChanged="OffsetValue_Changed"/>
@ -582,7 +578,6 @@
Grid.Column="2"
MinWidth="84"
AutomationProperties.LabeledBy="{Binding ElementName=DaysLabel}"
DropDownClosed="OffsetDropDownClosed"
ItemsSource="{Binding OffsetValues, Mode=OneTime}"
SelectedIndex="{Binding DaysOffset, Mode=TwoWay}"
SelectionChanged="OffsetValue_Changed"/>

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@ -182,6 +182,10 @@ void DateCalculator::DateCalcOption_Changed(_In_ Platform::Object^ sender, _In_
{
FindName("AddSubtractDateGrid");
DateCalculationOption->SelectionChanged -= m_dateCalcOptionChangedEventToken;
DateResultLabel->RegisterPropertyChangedCallback(TextBlock::TextProperty, ref new DependencyPropertyChangedCallback(this, &DateCalculator::OnDateResultLabelChanged));
DateDiffAllUnitsResultLabel->RegisterPropertyChangedCallback(TextBlock::TextProperty, ref new DependencyPropertyChangedCallback(this, &DateCalculator::OnDateResultLabelChanged));
}
void CalculatorApp::DateCalculator::AddSubtractDateGrid_Loaded(_In_ Platform::Object^ sender, _In_ Windows::UI::Xaml::RoutedEventArgs^ e)
@ -207,20 +211,8 @@ void DateCalculator::ReselectCalendarDate(_In_ Windows::UI::Xaml::Controls::Cale
calendarDatePicker->IsCalendarOpen = false;
}
void DateCalculator::OffsetDropDownClosed(_In_ Object^ sender, _In_ Object^ e)
void DateCalculator::OnDateResultLabelChanged(Windows::UI::Xaml::DependencyObject^ sender, Windows::UI::Xaml::DependencyProperty^ dp)
{
RaiseLiveRegionChangedAutomationEvent(false);
}
void DateCalculator::CalendarFlyoutClosed(_In_ Object^ sender, _In_ Object^ e)
{
auto dateCalcViewModel = safe_cast<DateCalculatorViewModel^>(this->DataContext);
RaiseLiveRegionChangedAutomationEvent(dateCalcViewModel->IsDateDiffMode);
}
void DateCalculator::RaiseLiveRegionChangedAutomationEvent(_In_ bool isDateDiffMode)
{
TextBlock^ resultTextBlock = (isDateDiffMode ? DateDiffAllUnitsResultLabel : DateResultLabel);
String^ automationName = AutomationProperties::GetName(resultTextBlock);
TextBlockAutomationPeer::FromElement(resultTextBlock)->RaiseAutomationEvent(AutomationEvents::LiveRegionChanged);
String^ automationName = AutomationProperties::GetName(sender);
TextBlockAutomationPeer::FromElement((TextBlock^)sender)->RaiseAutomationEvent(AutomationEvents::LiveRegionChanged);
}

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@ -1,4 +1,4 @@
// Copyright (c) Microsoft Corporation. All rights reserved.
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
@ -39,9 +39,7 @@ namespace CalculatorApp
void DateCalcOption_Changed(_In_ Platform::Object^ sender, _In_ Windows::UI::Xaml::Controls::SelectionChangedEventArgs^ e);
void AddSubtractDateGrid_Loaded(_In_ Platform::Object^ sender, _In_ Windows::UI::Xaml::RoutedEventArgs^ e);
void ReselectCalendarDate(_In_ Windows::UI::Xaml::Controls::CalendarDatePicker^ calendarDatePicker, Windows::Foundation::DateTime dateTime);
void OffsetDropDownClosed(_In_ Platform::Object^ sender, _In_ Platform::Object^ e);
void CalendarFlyoutClosed(_In_ Platform::Object^ sender, _In_ Platform::Object^ e);
void RaiseLiveRegionChangedAutomationEvent(_In_ bool isDateDiffMode);
void OnDateResultLabelChanged(Windows::UI::Xaml::DependencyObject ^ sender, Windows::UI::Xaml::DependencyProperty ^ dp);
Windows::Foundation::EventRegistrationToken m_dateCalcOptionChangedEventToken;
};