Create EquationTextBox control (#547)
This commit is contained in:
Pepe Rivera
GitHub
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src/Calculator/Controls/EquationTextBox.cpp
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220
src/Calculator/Controls/EquationTextBox.cpp
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// 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 "EquationTextBox.h"
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#include "CalcViewModel/GraphingCalculator/EquationViewModel.h"
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using namespace std;
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using namespace Platform;
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using namespace CalculatorApp;
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using namespace CalculatorApp::Common;
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using namespace CalculatorApp::Controls;
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using namespace CalculatorApp::ViewModel;
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using namespace Windows::Foundation;
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using namespace Windows::UI::Xaml;
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using namespace Windows::UI::Xaml::Controls;
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using namespace Windows::UI::Xaml::Input;
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using namespace Windows::UI::Xaml::Controls::Primitives;
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using namespace Windows::UI::Text;
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DEPENDENCY_PROPERTY_INITIALIZATION(EquationTextBox, EquationColor);
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DEPENDENCY_PROPERTY_INITIALIZATION(EquationTextBox, KeyGraphFeaturesContent);
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DEPENDENCY_PROPERTY_INITIALIZATION(EquationTextBox, ColorChooserFlyout);
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void EquationTextBox::OnApplyTemplate()
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{
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m_equationButton = dynamic_cast<Button^>(GetTemplateChild("EquationButton"));
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m_richEditBox = dynamic_cast<RichEditBox^>(GetTemplateChild("EquationTextBox"));
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m_deleteButton = dynamic_cast<Button^>(GetTemplateChild("DeleteButton"));
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m_removeButton = dynamic_cast<Button^>(GetTemplateChild("RemoveButton"));
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m_functionButton = dynamic_cast<Button^>(GetTemplateChild("FunctionButton"));
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m_colorChooserButton = dynamic_cast<ToggleButton^>(GetTemplateChild("ColorChooserButton"));
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if (m_richEditBox != nullptr)
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{
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m_richEditBox->GotFocus += ref new RoutedEventHandler(this, &EquationTextBox::OnRichEditBoxGotFocus);
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m_richEditBox->LostFocus += ref new RoutedEventHandler(this, &EquationTextBox::OnRichEditBoxLostFocus);
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m_richEditBox->TextChanged += ref new RoutedEventHandler(this, &EquationTextBox::OnRichEditBoxTextChanged);
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}
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if (m_equationButton != nullptr)
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{
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m_equationButton->Click += ref new RoutedEventHandler(this, &EquationTextBox::OnEquationButtonClicked);
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}
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if (m_deleteButton != nullptr)
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{
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m_deleteButton->Click += ref new RoutedEventHandler(this, &EquationTextBox::OnDeleteButtonClicked);
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}
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if (m_removeButton != nullptr)
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{
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m_removeButton->Click += ref new RoutedEventHandler(this, &EquationTextBox::OnRemoveButtonClicked);
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}
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if (m_colorChooserButton != nullptr)
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{
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m_colorChooserButton->Click += ref new RoutedEventHandler(this, &EquationTextBox::OnColorChooserButtonClicked);
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}
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if (m_functionButton != nullptr)
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{
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m_functionButton->Click += ref new RoutedEventHandler(this, &EquationTextBox::OnFunctionButtonClicked);
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}
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if (ColorChooserFlyout != nullptr)
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{
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ColorChooserFlyout->Opened += ref new EventHandler<Object^>(this, &EquationTextBox::OnColorFlyoutOpened);
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ColorChooserFlyout->Closed += ref new EventHandler<Object^>(this, &EquationTextBox::OnColorFlyoutClosed);
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}
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}
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void EquationTextBox::OnPointerEntered(PointerRoutedEventArgs^ e)
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{
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m_isPointerOver = true;
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UpdateCommonVisualState();
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}
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void EquationTextBox::OnPointerExited(PointerRoutedEventArgs^ e)
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{
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m_isPointerOver = false;
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UpdateCommonVisualState();
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}
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void EquationTextBox::OnPointerCanceled(PointerRoutedEventArgs^ e)
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{
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m_isPointerOver = false;
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UpdateCommonVisualState();
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}
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void EquationTextBox::OnPointerCaptureLost(PointerRoutedEventArgs^ e)
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{
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m_isPointerOver = false;
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UpdateCommonVisualState();
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}
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void EquationTextBox::OnColorFlyoutOpened(Object^ sender, Object^ e)
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{
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m_isColorChooserFlyoutOpen = true;
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UpdateCommonVisualState();
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}
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void EquationTextBox::OnColorFlyoutClosed(Object^ sender, Object^ e)
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{
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m_colorChooserButton->IsChecked = false;
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m_isColorChooserFlyoutOpen = false;
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UpdateCommonVisualState();
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}
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void EquationTextBox::OnRichEditBoxTextChanged(Object^ sender, RoutedEventArgs^ e)
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{
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UpdateDeleteButtonVisualState();
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}
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void EquationTextBox::OnRichEditBoxGotFocus(Object^ sender, RoutedEventArgs^ e)
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{
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m_isFocused = true;
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UpdateCommonVisualState();
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UpdateDeleteButtonVisualState();
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}
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void EquationTextBox::OnRichEditBoxLostFocus(Object^ sender, RoutedEventArgs^ e)
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{
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m_isFocused = false;
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UpdateCommonVisualState();
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UpdateDeleteButtonVisualState();
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}
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void EquationTextBox::OnDeleteButtonClicked(Object^ sender, RoutedEventArgs^ e)
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{
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if (m_richEditBox != nullptr)
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{
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m_richEditBox->TextDocument->SetText(::TextSetOptions::None, L"");
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}
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}
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void EquationTextBox::OnEquationButtonClicked(Object^ sender, RoutedEventArgs^ e)
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{
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}
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void EquationTextBox::OnRemoveButtonClicked(Object^ sender, RoutedEventArgs^ e)
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{
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RemoveButtonClicked(this, ref new RoutedEventArgs());
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}
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void EquationTextBox::OnColorChooserButtonClicked(Object^ sender, RoutedEventArgs^ e)
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{
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if (ColorChooserFlyout != nullptr && m_richEditBox != nullptr)
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{
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ColorChooserFlyout->ShowAt(m_richEditBox);
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}
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}
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void EquationTextBox::OnFunctionButtonClicked(Object^ sender, RoutedEventArgs^ e)
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{
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auto equationViewModel = static_cast<EquationViewModel^>(DataContext);
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equationViewModel->KeyGraphFeaturesVisibility = (equationViewModel->KeyGraphFeaturesVisibility == ::Visibility::Collapsed) ? ::Visibility::Visible : ::Visibility::Collapsed;
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UpdateCommonVisualState();
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}
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void EquationTextBox::UpdateDeleteButtonVisualState()
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{
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String^ state;
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if (ShouldDeleteButtonBeVisible())
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{
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state = "ButtonVisible";
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}
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else
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{
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state = "ButtonCollapsed";
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}
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VisualStateManager::GoToState(this, state, true);
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}
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void EquationTextBox::UpdateCommonVisualState()
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{
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String^ state = "Normal";
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if (m_isFocused)
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{
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state = "Focused";
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}
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else if (m_isPointerOver || m_isColorChooserFlyoutOpen)
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{
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state = "PointerOver";
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}
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VisualStateManager::GoToState(this, state, true);
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}
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Platform::String^ EquationTextBox::GetEquationText()
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{
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String^ text;
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if (m_richEditBox != nullptr)
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{
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m_richEditBox->TextDocument->GetText(::TextGetOptions::NoHidden, &text);
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}
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return text;
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}
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void EquationTextBox::SetEquationText(Platform::String^ equationText)
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{
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if (m_richEditBox != nullptr)
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{
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m_richEditBox->TextDocument->SetText(::TextSetOptions::None, equationText);
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}
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}
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bool EquationTextBox::ShouldDeleteButtonBeVisible()
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{
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return (!GetEquationText()->IsEmpty() && m_isFocused);
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}
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66
src/Calculator/Controls/EquationTextBox.h
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66
src/Calculator/Controls/EquationTextBox.h
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@@ -0,0 +1,66 @@
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// 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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#include "CalcViewModel/Common/Utils.h"
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namespace CalculatorApp
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{
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namespace Controls
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{
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public ref class EquationTextBox sealed : public Windows::UI::Xaml::Controls::Control
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{
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public:
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EquationTextBox()
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{
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}
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DEPENDENCY_PROPERTY_OWNER(EquationTextBox);
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DEPENDENCY_PROPERTY(Windows::UI::Xaml::Media::SolidColorBrush^, EquationColor);
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DEPENDENCY_PROPERTY(Windows::UI::Xaml::UIElement^, KeyGraphFeaturesContent);
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DEPENDENCY_PROPERTY(Windows::UI::Xaml::Controls::Flyout^, ColorChooserFlyout);
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event Windows::UI::Xaml::RoutedEventHandler^ RemoveButtonClicked;
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Platform::String^ GetEquationText();
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void SetEquationText(Platform::String^ equationText);
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protected:
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virtual void OnApplyTemplate() override;
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virtual void OnPointerEntered(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
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virtual void OnPointerExited(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
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virtual void OnPointerCanceled(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
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virtual void OnPointerCaptureLost(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
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private:
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void UpdateCommonVisualState();
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void UpdateDeleteButtonVisualState();
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bool ShouldDeleteButtonBeVisible();
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void OnRichEditBoxGotFocus(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnRichEditBoxLostFocus(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnRichEditBoxTextChanged(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnDeleteButtonClicked(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnEquationButtonClicked(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnRemoveButtonClicked(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnColorChooserButtonClicked(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnFunctionButtonClicked(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
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void OnColorFlyoutOpened(Platform::Object^ sender, Platform::Object^ e);
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void OnColorFlyoutClosed(Platform::Object^ sender, Platform::Object^ e);
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Windows::UI::Xaml::Controls::RichEditBox^ m_richEditBox;
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Windows::UI::Xaml::Controls::Button^ m_equationButton;
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Windows::UI::Xaml::Controls::Button^ m_deleteButton;
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Windows::UI::Xaml::Controls::Button^ m_removeButton;
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Windows::UI::Xaml::Controls::Button^ m_functionButton;
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Windows::UI::Xaml::Controls::Primitives::ToggleButton^ m_colorChooserButton;
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bool m_isFocused;
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bool m_isPointerOver;
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bool m_isColorChooserFlyoutOpen;
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};
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}
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}
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