GraphControl: refactoring and optimizations (#831)

* GraphControl cleaning * replace textbox value after submission * rebase * rebase * rebase * Add filters * rebase! * rebase
2025-07-30 11:38:26 -07:00 · 2019-12-13 16:33:08 -08:00 · 2019-12-13 16:33:08 -08:00 · 534139d67d
commit 534139d67d
parent da38b5a015
33 changed files with 1169 additions and 1393 deletions
--- a/src/CalcViewModel/GraphingCalculator/VariableViewModel.h
+++ b/src/CalcViewModel/GraphingCalculator/VariableViewModel.h
@ -0,0 +1,69 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#pragma once
+
+#include "../Common/Utils.h"
+#include "EquationViewModel.h"
+
+namespace CalculatorApp::ViewModel
+{
+public
+    value struct VariableChangedEventArgs sealed
+    {
+        Platform::String ^ variableName;
+        double newValue;
+    };
+
+    [Windows::UI::Xaml::Data::Bindable] public ref class VariableViewModel sealed : public Windows::UI::Xaml::Data::INotifyPropertyChanged
+    {
+    public:
+        VariableViewModel(Platform::String ^ name, double value)
+            : m_Name(name)
+            , m_Value(value)
+            , m_SliderSettingsVisible(false)
+            , m_Min(0.0)
+            , m_Step(0.1)
+            , m_Max(2.0)
+        {
+        }
+
+        OBSERVABLE_OBJECT();
+        OBSERVABLE_PROPERTY_R(Platform::String ^, Name);
+        OBSERVABLE_PROPERTY_RW(double, Min);
+        OBSERVABLE_PROPERTY_RW(double, Step);
+        OBSERVABLE_PROPERTY_RW(double, Max);
+        OBSERVABLE_PROPERTY_RW(bool, SliderSettingsVisible);
+
+        event Windows::Foundation::EventHandler<VariableChangedEventArgs> ^ VariableUpdated;
+
+        property double Value
+        {
+            double get()
+            {
+                return m_Value;
+            }
+            void set(double value)
+            {
+                if (value < Min)
+                {
+                    value = Min;
+                }
+                else if (value > Max)
+                {
+                    value = Max;
+                }
+
+                if (Value != value)
+                {
+                    m_Value = value;
+                    VariableUpdated(this, VariableChangedEventArgs{ Name, value });
+                    RaisePropertyChanged(L"Value");
+                }
+            }
+        }
+
+    private:
+        double m_Value;
+    };
+}