artemiipatov · artemiipatov · Apr 20, 2022 · Apr 21, 2022 · Apr 21, 2022 · Apr 21, 2022
diff --git a/Calculator/Calculator.sln b/Calculator/Calculator.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.1.32414.318
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Calculator", "Calculator\Calculator.csproj", "{1C4C74BA-A10B-4E03-BD5E-502C0722D6C7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CalculatorTests", "CalculatorTests\CalculatorTests.csproj", "{98AFD684-BA58-4412-98AC-3DE873088559}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1C4C74BA-A10B-4E03-BD5E-502C0722D6C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1C4C74BA-A10B-4E03-BD5E-502C0722D6C7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1C4C74BA-A10B-4E03-BD5E-502C0722D6C7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1C4C74BA-A10B-4E03-BD5E-502C0722D6C7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{98AFD684-BA58-4412-98AC-3DE873088559}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{98AFD684-BA58-4412-98AC-3DE873088559}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{98AFD684-BA58-4412-98AC-3DE873088559}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{98AFD684-BA58-4412-98AC-3DE873088559}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {87D0854A-0000-4021-B618-51922D5D7F45}
+	EndGlobalSection
+EndGlobal
diff --git a/Calculator/Calculator/Calculator.csproj b/Calculator/Calculator/Calculator.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWindowsForms>true</UseWindowsForms>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+</Project>
diff --git a/Calculator/Calculator/CalculatorForm.Designer.cs b/Calculator/Calculator/CalculatorForm.Designer.cs
diff --git a/Calculator/Calculator/CalculatorForm.cs b/Calculator/Calculator/CalculatorForm.cs
@@ -0,0 +1,134 @@
+namespace Calculator;
+
+public partial class CalculatorForm : Form
+{
+    public string FirstOperand { get; private set; } = "";
+    public string SecondOperand { get; private set; } = "";
+    public char CurrentOperator { get; private set; } = '\0';
+
+    public CalculatorForm()
+    {
+        InitializeComponent();
+    }
+
+    public void OperandClick(object sender, EventArgs e)
+    {
+        if (CurrentOperator != '\0')
+        {
+            SecondOperand += (sender as Button)!.Text;
+        }
+        else
+        {
+            FirstOperand += (sender as Button)!.Text;
+        }
+    }
+
+    public void OperatorClick(object sender, EventArgs e)
+    {
+        if (FirstOperand == "")
+        {
+            return;
+        }
+        if (SecondOperand == "")
+        {
+            if ((sender as Button)!.Text == "√")
+            {
+                FirstOperand = Math.Sqrt(double.Parse(FirstOperand)).ToString("G29");
+                return;
+            }
+            CurrentOperator = Convert.ToChar((sender as Button)!.Text);
+        }
+        else
+        {
+            decimal decimalFirstOperand = (decimal)double.Parse(FirstOperand);
+            decimal decimalSecondOperand = (decimal)double.Parse(SecondOperand);
+            if ((sender as Button)!.Text == "√")
+            {
+                SecondOperand = Math.Sqrt((double)decimalSecondOperand).ToString("G29");
+                return;
+            }
+            switch (CurrentOperator)
+            {
+                case '+':
+                {
+                    FirstOperand = (decimalFirstOperand + decimalSecondOperand).ToString("G29");
+                    break;
+                }
+                case '-':
+                {
+                    FirstOperand = (decimalFirstOperand - decimalSecondOperand).ToString("G29");
+                    break;
+                }
+                case '✕':
+                {
+                    FirstOperand = (decimalFirstOperand * decimalSecondOperand).ToString("G29");
+                    break;
+                }
+                case '÷':
+                {
+                    FirstOperand = (decimalFirstOperand / decimalSecondOperand).ToString("G29");
+                    break;
+                }
+            }
+            CurrentOperator = (sender as Button)!.Text == "=" ? '\0' : Convert.ToChar((sender as Button)!.Text);
+            SecondOperand = "";
+        }
+    }
+
+    public void ButtonBackspaceClick(object sender, EventArgs e)
+    {
+        if (SecondOperand != "")
+        {
+            SecondOperand = SecondOperand.Remove(SecondOperand.Length - 1);
+        }
+        else if (CurrentOperator != '\0')
+        {
+            CurrentOperator = '\0';
+        }
+        else if (FirstOperand != "")
+        {
+            FirstOperand = FirstOperand.Remove(FirstOperand.Length - 1);
+        }
+    }
+
+    public void ButtonNegationClick(object sender, EventArgs e)
+    {
+        if (SecondOperand != "")
+        {
+            if (SecondOperand[0] == '-')
+            {
+                SecondOperand = SecondOperand.Substring(1);
+                return;
+            }
+            SecondOperand = "-" + SecondOperand;
+        }
+        else if (FirstOperand != "")
+        {
+            if (FirstOperand[0] == '-')
+            {
+                FirstOperand = FirstOperand.Substring(1);
+                return;
+            }
+            FirstOperand = "-" + FirstOperand;
+        }
+    }
+
+    public void ButtonDecimalPointClick(object sender, EventArgs e)
+    {
+        if (SecondOperand != "")
+        {
+            SecondOperand += SecondOperand.Contains(',') ? "" : ',';
+        }
+        else if (FirstOperand != "")
+        {
+            FirstOperand += FirstOperand.Contains(',') ? "" : ',';
+        }
+    }
+
+    public void ButtonClearClick(object sender, EventArgs e)
+    {
+        SecondOperand = "";
+        CurrentOperator = '\0';
+        FirstOperand = "";
+    }
+}
diff --git a/Calculator/Calculator/CalculatorForm.resx b/Calculator/Calculator/CalculatorForm.resx
@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
diff --git a/Calculator/Calculator/Program.cs b/Calculator/Calculator/Program.cs
@@ -0,0 +1,15 @@
+namespace Calculator
+{
+    internal static class Program
+    {
+        /// <summary>
+        ///  The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            ApplicationConfiguration.Initialize();
+            Application.Run(new CalculatorForm());
+        }
+    }
+}