commit 4a840f9923684b938b1b71ff00c202d9bf20f73d
Author: ReiMerc <reim0009@edu.mercantec.dk>
Date:   Thu Mar 9 14:47:11 2023 +0100

    Initial commit

diff --git a/LommeReimar.sln b/LommeReimar.sln
new file mode 100644
index 0000000..5b3933a
--- /dev/null
+++ b/LommeReimar.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.33424.131
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LommeReimar", "LommeReimar\LommeReimar.csproj", "{9BC628C7-B8B0-4A28-BEAA-F142543727C2}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{9BC628C7-B8B0-4A28-BEAA-F142543727C2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9BC628C7-B8B0-4A28-BEAA-F142543727C2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9BC628C7-B8B0-4A28-BEAA-F142543727C2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9BC628C7-B8B0-4A28-BEAA-F142543727C2}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3E2ACF97-BF60-46C0-809C-1AD50B1F4F1D}
+	EndGlobalSection
+EndGlobal
diff --git a/LommeReimar/App.xaml b/LommeReimar/App.xaml
new file mode 100644
index 0000000..9e2f31b
--- /dev/null
+++ b/LommeReimar/App.xaml
@@ -0,0 +1,27 @@
+<Application x:Class="LommeReimar.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:LommeReimar"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+        <Style TargetType="Button" x:Key="StandardButton">
+            <Setter Property="FontSize" Value="24px" />
+            <Setter Property="Margin" Value="5px" />
+        </Style>
+
+        <Style TargetType="Button" x:Key="OperatorButton">
+            <Setter Property="FontSize" Value="24px" />
+            <Setter Property="Margin" Value="5px" />
+            <Setter Property="Background" Value="#FFA000" />
+        </Style>
+
+        <Style TargetType="Button" x:Key="NumberButton">
+            <Setter Property="FontSize" Value="24px" />
+            <Setter Property="Margin" Value="5px" />
+            <Setter Property="Background" Value="#424242" />
+            <Setter Property="Foreground" Value="White" />
+        </Style>
+
+    </Application.Resources>
+</Application>
diff --git a/LommeReimar/App.xaml.cs b/LommeReimar/App.xaml.cs
new file mode 100644
index 0000000..74ad44f
--- /dev/null
+++ b/LommeReimar/App.xaml.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace LommeReimar
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}
diff --git a/LommeReimar/AssemblyInfo.cs b/LommeReimar/AssemblyInfo.cs
new file mode 100644
index 0000000..8b5504e
--- /dev/null
+++ b/LommeReimar/AssemblyInfo.cs
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]
diff --git a/LommeReimar/LommeReimar.csproj b/LommeReimar/LommeReimar.csproj
new file mode 100644
index 0000000..2623758
--- /dev/null
+++ b/LommeReimar/LommeReimar.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net7.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.1.0" />
+  </ItemGroup>
+
+</Project>
diff --git a/LommeReimar/LommeReimar.csproj.user b/LommeReimar/LommeReimar.csproj.user
new file mode 100644
index 0000000..644b0a6
--- /dev/null
+++ b/LommeReimar/LommeReimar.csproj.user
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup />
+  <ItemGroup>
+    <ApplicationDefinition Update="App.xaml">
+      <SubType>Designer</SubType>
+    </ApplicationDefinition>
+  </ItemGroup>
+  <ItemGroup>
+    <Page Update="MainWindow.xaml">
+      <SubType>Designer</SubType>
+    </Page>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/LommeReimar/LommeReimarViewModel.cs b/LommeReimar/LommeReimarViewModel.cs
new file mode 100644
index 0000000..4227f98
--- /dev/null
+++ b/LommeReimar/LommeReimarViewModel.cs
@@ -0,0 +1,145 @@
+using System;
+using System.Globalization;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace LommeReimar
+{
+    public partial class LommeReimarViewModel : ObservableObject
+    {
+        public enum Operator
+        {
+            PLUS = '+',
+            MINUS = '-',
+            TIMES = '×',
+            DIVIDE = '÷',
+        }
+
+        private decimal? firstNumber;
+
+        [ObservableProperty]
+        private decimal currentNumber;
+
+        [ObservableProperty]
+        private Operator? currentOperator;
+
+        private bool isDecimal;
+
+        public LommeReimarViewModel()
+        {
+            firstNumber = null;
+            currentNumber = 0;
+            isDecimal = false;
+            currentOperator = null;
+        }
+
+        [RelayCommand]
+        public void NumberClick(string number)
+        {
+            if (isDecimal)
+            {
+                string str = CurrentNumber.ToString();
+                if (!str.Contains(NumberFormatInfo.CurrentInfo.NumberDecimalSeparator))
+                    str += NumberFormatInfo.CurrentInfo.NumberDecimalSeparator;
+
+                CurrentNumber = decimal.Parse(str + number);
+            }
+            else
+            {
+                CurrentNumber *= 10;
+                CurrentNumber += decimal.Parse(number);
+            }
+        }
+
+        [RelayCommand]
+        public void OperatorClick(string op)
+        {
+            switch (op)
+            {
+                case "+":
+                    CurrentOperator = Operator.PLUS;
+                    break;
+                case "-":
+                    CurrentOperator = Operator.MINUS;
+                    break;
+                case "×":
+                    CurrentOperator = Operator.TIMES;
+                    break;
+                case "÷":
+                    CurrentOperator = Operator.DIVIDE;
+                    break;
+                default:
+                    return;
+            }
+
+            firstNumber = CurrentNumber;
+            CurrentNumber = 0;
+            isDecimal = false;
+        }
+
+        [RelayCommand]
+        public void EqualsClick()
+        {
+            if (firstNumber is null) return;
+
+            switch (CurrentOperator)
+            {
+                case Operator.PLUS:
+                    CurrentNumber = (decimal)(firstNumber + CurrentNumber);
+                    break;
+                case Operator.MINUS:
+                    CurrentNumber = (decimal)(firstNumber - CurrentNumber);
+                    break;
+                case Operator.TIMES:
+                    CurrentNumber = (decimal)(firstNumber * CurrentNumber);
+                    break;
+                case Operator.DIVIDE:
+                    CurrentNumber = (decimal)(firstNumber / CurrentNumber);
+                    break;
+            }
+        }
+
+        [RelayCommand]
+        public void InvertClick()
+        {
+            CurrentNumber = -CurrentNumber;
+        }
+
+        [RelayCommand]
+        public void ClearClick()
+        {
+            firstNumber = null;
+            CurrentNumber = 0;
+            CurrentOperator = null;
+            isDecimal = false;
+        }
+
+        [RelayCommand]
+        public void DecimalClick()
+        {
+            isDecimal = true;
+        }
+
+        [RelayCommand]
+        public void PercentageClick()
+        {
+            if (firstNumber is null || CurrentOperator is null) return;
+
+            switch (CurrentOperator)
+            {
+                case Operator.PLUS:
+                    CurrentNumber = (decimal)(firstNumber + CurrentNumber / 100 * firstNumber);
+                    break;
+                case Operator.MINUS:
+                    CurrentNumber = (decimal)(firstNumber - CurrentNumber / 100 * firstNumber);
+                    break;
+                case Operator.TIMES:
+                    CurrentNumber = (decimal)(firstNumber * CurrentNumber / 100);
+                    break;
+                case Operator.DIVIDE:
+                    CurrentNumber = (decimal)(firstNumber / CurrentNumber * 100);
+                    break;
+            }
+        }
+    }
+}
diff --git a/LommeReimar/MainWindow.xaml b/LommeReimar/MainWindow.xaml
new file mode 100644
index 0000000..ea24fd4
--- /dev/null
+++ b/LommeReimar/MainWindow.xaml
@@ -0,0 +1,192 @@
+<Window x:Class="LommeReimar.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:c="clr-namespace:LommeReimar"
+        mc:Ignorable="d"
+        Title="LommeReimar" Height="450" Width="300"
+        Background="#616161"
+        FontFamily="Consolas">
+    <Window.Resources>
+        <c:LommeReimarViewModel x:Key="myDataSource" />
+    </Window.Resources>
+    <Grid Margin="5px" DataContext="{StaticResource myDataSource}">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="*" />
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="1.5*" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <TextBlock
+            Grid.Row="0"
+            Grid.Column="0"
+            Grid.ColumnSpan="4"
+            Background="#212121"
+            Foreground="White"
+            Margin="5"
+            Padding="10"
+            TextAlignment="Right"
+            FontSize="32px"
+            VerticalAlignment="Center"
+        >
+            <Run Text="{ Binding CurrentNumber }" />
+        </TextBlock>
+        <Button 
+            Grid.Row="1"
+            Grid.Column="0"
+            Content="C"
+            Command="{ Binding ClearClickCommand }"
+            Style="{ StaticResource StandardButton }"
+         />
+        <Button 
+            Grid.Row="1"
+            Grid.Column="1"
+            Content="±"
+            Command="{ Binding InvertClickCommand }"
+            Style="{ StaticResource StandardButton }"
+         />
+        <Button 
+            Grid.Row="1"
+            Grid.Column="2"
+            Content="%"
+            Command="{ Binding PercentageClickCommand }"
+            Style="{ StaticResource StandardButton }"
+         />
+        <Button 
+            Grid.Row="1"
+            Grid.Column="3"
+            Content="÷"
+            Command="{ Binding OperatorClickCommand }"
+            CommandParameter="÷"
+            Style="{ StaticResource OperatorButton }"
+         />
+        <Button 
+            Grid.Row="2"
+            Grid.Column="0"
+            Content="7"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="7"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="2"
+            Grid.Column="1"
+            Content="8"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="8"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="2"
+            Grid.Column="2"
+            Content="9"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="9"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="2"
+            Grid.Column="3"
+            Content="×"
+            Command="{ Binding OperatorClickCommand }"
+            CommandParameter="×"
+            Style="{ StaticResource OperatorButton }"
+         />
+        <Button 
+            Grid.Row="3"
+            Grid.Column="0"
+            Content="4"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="4"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="3"
+            Grid.Column="1"
+            Content="5"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="5"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="3"
+            Grid.Column="2"
+            Content="6"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="6"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="3"
+            Grid.Column="3"
+            Content="−"
+            Command="{ Binding OperatorClickCommand }"
+            CommandParameter="-"
+            Style="{ StaticResource OperatorButton }"
+         />
+        <Button 
+            Grid.Row="4"
+            Grid.Column="0"
+            Content="1"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="1"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="4"
+            Grid.Column="1"
+            Content="2"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="2"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="4"
+            Grid.Column="2"
+            Content="3"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="3"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="4"
+            Grid.Column="3"
+            Content="+"
+            Command="{ Binding OperatorClickCommand }"
+            CommandParameter="+"
+            Style="{ StaticResource OperatorButton }"
+         />
+        <Button 
+            Grid.Row="5"
+            Grid.Column="0"
+            Grid.ColumnSpan="2"
+            Content="0"
+            Command="{ Binding NumberClickCommand }"
+            CommandParameter="0"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="5"
+            Grid.Column="2"
+            Content=","
+            Command="{ Binding DecimalClickCommand }"
+            Style="{ StaticResource NumberButton }"
+         />
+        <Button 
+            Grid.Row="5"
+            Grid.Column="3"
+            Content="="
+            Command="{ Binding EqualsClickCommand }"
+            Style="{ StaticResource OperatorButton }"
+         />
+    </Grid>
+</Window>
diff --git a/LommeReimar/MainWindow.xaml.cs b/LommeReimar/MainWindow.xaml.cs
new file mode 100644
index 0000000..fd39695
--- /dev/null
+++ b/LommeReimar/MainWindow.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace LommeReimar
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}