From 1465eead0267942209c71b98d8e0945e325e7050 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konrad=20Pierzy=C5=84ski?=
 <s442333@instalka-Standard-PC-i440FX-PIIX-1996>
Date: Wed, 23 Jan 2019 22:39:54 +0100
Subject: [PATCH 1/2] Pagination optymalization, infoWindow about fruits,
 deleted list of themes, focusing keyboard on value input

---
 Magazyn_Client/Magazyn.sln                    |   8 +-
 Magazyn_Client/Magazyn/App.xaml               |  10 +-
 Magazyn_Client/Magazyn/App.xaml.cs            |  35 +--
 Magazyn_Client/Magazyn/DataModels/Fruit.cs    |  42 +++-
 Magazyn_Client/Magazyn/Magazyn.csproj         |   7 +
 Magazyn_Client/Magazyn/MainWindow.xaml        |  27 +-
 Magazyn_Client/Magazyn/MainWindow.xaml.cs     | 236 ++++++++++--------
 .../Magazyn/Views/FruitView.xaml.cs           |  12 +-
 .../Magazyn/Windows/AmountWindow.xaml         |  16 +-
 .../Magazyn/Windows/AmountWindow.xaml.cs      | 141 ++++++-----
 .../Magazyn/Windows/ErrorWindow.xaml          |   2 +-
 .../Magazyn/Windows/InfoWindow.xaml           |  28 +++
 .../Magazyn/Windows/InfoWindow.xaml.cs        |  53 ++++
 13 files changed, 363 insertions(+), 254 deletions(-)
 create mode 100644 Magazyn_Client/Magazyn/Windows/InfoWindow.xaml
 create mode 100644 Magazyn_Client/Magazyn/Windows/InfoWindow.xaml.cs

diff --git a/Magazyn_Client/Magazyn.sln b/Magazyn_Client/Magazyn.sln
index a13e6c2..5a64ce9 100644
--- a/Magazyn_Client/Magazyn.sln
+++ b/Magazyn_Client/Magazyn.sln
@@ -11,10 +11,10 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{C50EC6F3-86E6-405C-991F-1B4157C04B34}.Debug|Any CPU.ActiveCfg = Release|Any CPU
-		{C50EC6F3-86E6-405C-991F-1B4157C04B34}.Debug|Any CPU.Build.0 = Release|Any CPU
-		{C50EC6F3-86E6-405C-991F-1B4157C04B34}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{C50EC6F3-86E6-405C-991F-1B4157C04B34}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C50EC6F3-86E6-405C-991F-1B4157C04B34}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C50EC6F3-86E6-405C-991F-1B4157C04B34}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C50EC6F3-86E6-405C-991F-1B4157C04B34}.Release|Any CPU.ActiveCfg = Debug|Any CPU
+		{C50EC6F3-86E6-405C-991F-1B4157C04B34}.Release|Any CPU.Build.0 = Debug|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Magazyn_Client/Magazyn/App.xaml b/Magazyn_Client/Magazyn/App.xaml
index 309f94e..c3abefc 100644
--- a/Magazyn_Client/Magazyn/App.xaml
+++ b/Magazyn_Client/Magazyn/App.xaml
@@ -6,11 +6,11 @@
     <Application.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
-				<ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml" />
-				<ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
-				<ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Blue.xaml" />
-				<ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Cyan.xaml" />
-			</ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Blue.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Cyan.xaml" />
+            </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>
     </Application.Resources>
 </Application>
diff --git a/Magazyn_Client/Magazyn/App.xaml.cs b/Magazyn_Client/Magazyn/App.xaml.cs
index 64ce2f8..7e0f6a5 100644
--- a/Magazyn_Client/Magazyn/App.xaml.cs
+++ b/Magazyn_Client/Magazyn/App.xaml.cs
@@ -5,6 +5,7 @@ using System.Data;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows;
+using System.Windows.Media.Imaging;
 
 namespace Magazyn
 {
@@ -13,39 +14,7 @@ namespace Magazyn
 	/// </summary>
 	public partial class App : Application
 	{
-		public void ChangeTheme(int index)
-		{
-			Resources.MergedDictionaries.Clear();
-			Uri[] uris = new Uri[4];
-
-			uris[1] = new Uri("pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml");
-
-			switch (index % 3) {
-				case 0:
-					uris[0] = new Uri("pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml");
-					uris[2] = new Uri("pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Blue.xaml");
-					uris[3] = new Uri("pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Cyan.xaml");
-					break;
-
-				case 1:
-					uris[0] = new Uri("pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml");
-					uris[2] = new Uri("pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Lime.xaml");
-					uris[3] = new Uri("pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Green.xaml");
-					break;
-
-				case 2:
-					uris[0] = new Uri("pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Dark.xaml");
-					uris[2] = new Uri("pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.DeepOrange.xaml");
-					uris[3] = new Uri("pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Orange.xaml");
-					break;
-			}
-
-			Resources.MergedDictionaries.Add(new ResourceDictionary() { Source = uris[0] });
-			Resources.MergedDictionaries.Add(new ResourceDictionary() { Source = uris[1] });
-			Resources.MergedDictionaries.Add(new ResourceDictionary() { Source = uris[2] });
-			Resources.MergedDictionaries.Add(new ResourceDictionary() { Source = uris[3] });
-
-		}
+          
 
 	}
 }
diff --git a/Magazyn_Client/Magazyn/DataModels/Fruit.cs b/Magazyn_Client/Magazyn/DataModels/Fruit.cs
index 6c97d6a..47194f4 100644
--- a/Magazyn_Client/Magazyn/DataModels/Fruit.cs
+++ b/Magazyn_Client/Magazyn/DataModels/Fruit.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Media.Imaging;
 
 namespace Magazyn.DataModels
 {
@@ -11,10 +12,14 @@ namespace Magazyn.DataModels
 		int id;
 		string name;
 		int quantity;
-		float price;
+        int quantityMax;
+        float price;
 		string imageLink;
 
-		public int Id
+        BitmapImage imageSource;
+
+
+        public int Id
 		{
 			get
 			{
@@ -38,7 +43,16 @@ namespace Magazyn.DataModels
 			}
 		}
 
-		public float Price
+        public int QuantityMax
+        {
+            get
+            {
+                return quantityMax;
+            }
+        }
+
+
+        public float Price
 		{
 			get
 			{
@@ -54,13 +68,29 @@ namespace Magazyn.DataModels
 			}
 		}
 
-		public Fruit(int id, string name, int quantity, float price, string imageLink)
+        public BitmapImage ImageSource
+        {
+            get
+            {
+                return imageSource;
+            }
+
+        }
+
+		public Fruit(int id, string name, int quantity, int quantityMax, float price, string imageLink)
 		{
 			this.id = id;
 			this.name = name;
 			this.quantity = quantity;
-			this.price = price;
+            this.quantityMax = quantityMax;
+            this.price = price;
 			this.imageLink = imageLink;
-		}
+
+            imageSource = new BitmapImage();
+            imageSource.BeginInit();
+            imageSource.UriSource = new Uri(imageLink);
+            imageSource.CacheOption = BitmapCacheOption.OnLoad;
+            imageSource.EndInit();
+        }
 	}
 }
diff --git a/Magazyn_Client/Magazyn/Magazyn.csproj b/Magazyn_Client/Magazyn/Magazyn.csproj
index 939a4e8..94e47cb 100644
--- a/Magazyn_Client/Magazyn/Magazyn.csproj
+++ b/Magazyn_Client/Magazyn/Magazyn.csproj
@@ -76,6 +76,9 @@
     <Compile Include="Windows\ErrorWindow.xaml.cs">
       <DependentUpon>ErrorWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Windows\InfoWindow.xaml.cs">
+      <DependentUpon>InfoWindow.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Windows\ValueWindow.xaml.cs">
       <DependentUpon>ValueWindow.xaml</DependentUpon>
     </Compile>
@@ -103,6 +106,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Windows\InfoWindow.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Windows\ValueWindow.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/Magazyn_Client/Magazyn/MainWindow.xaml b/Magazyn_Client/Magazyn/MainWindow.xaml
index 97485f3..6df635d 100644
--- a/Magazyn_Client/Magazyn/MainWindow.xaml
+++ b/Magazyn_Client/Magazyn/MainWindow.xaml
@@ -15,24 +15,23 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Magazyn"
         mc:Ignorable="d"
-        Title="Magazyn Owoców" Height="500" MaxWidth="590" MinWidth="590" Width="590" SizeChanged="Window_SizeChanged">
-	<Grid>
-		<ListBox x:Name="fruitList" Margin="10,51,10,89"/>
+        Title="Magazyn Owoców" MinHeight="259" Height="500" MaxWidth="590" MinWidth="590" Width="590" >
+    <Grid>
+        <ListBox MouseDoubleClick="fruitListMouseDoubleClick" x:Name="fruitList" Margin="10,51,10,89"/>
+        <Button Name="sum" Content="Wartość magazynu" Margin="0,0,10,10" VerticalAlignment="Bottom" Height="35" Click="Value_Click" HorizontalAlignment="Right" Width="163"/>
+        <Label Content="Lista owoców:" FontWeight="Bold" HorizontalAlignment="Left" Margin="10,4,0,0" VerticalAlignment="Top" Width="100"/>
+        <Label Content="Nazwa owocu:" FontWeight="Bold" HorizontalAlignment="Left" Margin="91,25,0,0" VerticalAlignment="Top" Width="100"/>
 
-		<Button Name="sum" Content="Wartość magazynu" Margin="0,0,10,10" VerticalAlignment="Bottom" Height="35" Click="Value_Click" HorizontalAlignment="Right" Width="163"/>
-		<Label Content="Lista owoców:" FontWeight="Bold" HorizontalAlignment="Left" Margin="10,4,0,0" VerticalAlignment="Top" Width="100"/>
-		<Label Content="Nazwa owocu:" FontWeight="Bold" HorizontalAlignment="Left" Margin="91,25,0,0" VerticalAlignment="Top" Width="100"/>
+        <Label Content="Ilość:" FontWeight="Bold" HorizontalAlignment="Left" Margin="283,25,0,0" VerticalAlignment="Top" Width="46"/>
 
-		<Label Content="Ilość:" FontWeight="Bold" HorizontalAlignment="Left" Margin="283,25,0,0" VerticalAlignment="Top" Width="46"/>
+        <Label Content="Cena 1szt:" FontWeight="Bold" HorizontalAlignment="Left" Margin="360,25,0,0" VerticalAlignment="Top" Width="73"/>
+        <Label Content="Wartość:" FontWeight="Bold" HorizontalAlignment="Left" Margin="438,25,0,0" VerticalAlignment="Top" Width="65"/>
 
-		<Label Content="Cena 1szt:" FontWeight="Bold" HorizontalAlignment="Left" Margin="360,25,0,0" VerticalAlignment="Top" Width="73"/>
-		<Label Content="Wartość:" FontWeight="Bold" HorizontalAlignment="Left" Margin="438,25,0,0" VerticalAlignment="Top" Width="65"/>
-
-		<Button x:Name="prevButton" Content="Poprzednia" HorizontalAlignment="Left" Margin="10,0,0,52" VerticalAlignment="Bottom" Width="105" Click="prevButton_Click"/>
-		<Button x:Name="nextButton"  Content="Następna" HorizontalAlignment="Right" Margin="0,0,10,52" VerticalAlignment="Bottom" Width="105" Click="nextButton_Click"/>
-		<ComboBox SelectionChanged="themeCombo_SelectionChanged" x:Name="themeCombo" HorizontalAlignment="Left" Margin="10,0,0,10" VerticalAlignment="Bottom" Width="162"/>
+        <Button x:Name="prevButton" Content="Poprzednia" HorizontalAlignment="Left" Margin="10,0,0,52" VerticalAlignment="Bottom" Width="105" Click="prevButton_Click"/>
+        <Button x:Name="nextButton"  Content="Następna" HorizontalAlignment="Right" Margin="0,0,10,52" VerticalAlignment="Bottom" Width="105" Click="nextButton_Click"/>
+        <TextBlock x:Name="pageBlock" FontSize="16" Margin="274,0,273,59" TextWrapping="Wrap" Text="NaN" Height="19" VerticalAlignment="Bottom"/>
 
 
-	</Grid>
+    </Grid>
 </Window>
 
diff --git a/Magazyn_Client/Magazyn/MainWindow.xaml.cs b/Magazyn_Client/Magazyn/MainWindow.xaml.cs
index 5cc8b41..6902005 100644
--- a/Magazyn_Client/Magazyn/MainWindow.xaml.cs
+++ b/Magazyn_Client/Magazyn/MainWindow.xaml.cs
@@ -23,146 +23,160 @@ using Magazyn.Windows;
 
 namespace Magazyn
 {
-	public partial class MainWindow : Window
-	{
+    public partial class MainWindow : Window
+    {
 
-		public int size = 4;
-		public int page = 0;
+        public int size = 4;
+        public int page = 0;
 
-		bool firstPage;
-		bool lastPage;
+        bool firstPage;
+        bool lastPage;
 
-		HttpClient client;
+        HttpClient client;
 
-		public MainWindow()
-		{
-			InitializeComponent();
-			this.Initialized += MainWindow_Initialized;
-			themeCombo.Items.Add("Jasno/Niebieski");
-			themeCombo.Items.Add("Jasno/Zielony");
-			themeCombo.Items.Add("Ciemno/Pomarańczowy");
-			themeCombo.SelectedIndex = 0;
+        Size windowSize;
 
-			client = new HttpClient();
-		}
+        public MainWindow()
+        {
+            InitializeComponent();
+            client = new HttpClient();
+            this.Loaded += MainWindowLoaded;
+        }
 
-		private void MainWindow_Initialized(object sender, EventArgs e)
-		{
-			RefreshListOfFruits();
-		}
+        private void MainWindowLoaded(object sender, EventArgs e)
+        {
+            RefreshListOfFruits();
+            windowSize = new Size(this.Width, this.Height);
+            this.SizeChanged += Window_SizeChanged;
+        }
 
-		private void FruitViewSaveChangingAmountOfFruits(int amountChanged, Fruit fruit)
-		{
-			string json = "{\"id\": " + fruit.Id.ToString() + ", \"change\": " + amountChanged.ToString() + " }";
+        private void FruitViewSaveChangingAmountOfFruits(int amountChanged, Fruit fruit)
+        {
+            string json = "{\"id\": " + fruit.Id.ToString() + ", \"change\": " + amountChanged.ToString() + " }";
 
-			Task<HttpResponseMessage> response = client.PostAsync("https://sysmag.herokuapp.com/api/product/change-quantity", new StringContent(json, Encoding.UTF8, "application/json"));
-			while (response.IsCompleted != true) ;
+            Task<HttpResponseMessage> response = client.PostAsync("https://sysmag.herokuapp.com/api/product/change-quantity", new StringContent(json, Encoding.UTF8, "application/json"));
+            while (response.IsCompleted != true) ;
 
-			if (response.Result.StatusCode == HttpStatusCode.BadRequest)
-			{
-				JObject data = JObject.Parse(response.Result.Content.ReadAsStringAsync().Result.ToString());
+            if (response.Result.StatusCode == HttpStatusCode.BadRequest)
+            {
+                JObject data = JObject.Parse(response.Result.Content.ReadAsStringAsync().Result.ToString());
 
-				ErrorWindow window;
+                ErrorWindow window;
 
-				if (data["message"].ToString().Contains("Too low"))
-				{
-					window = new ErrorWindow("Wystąpił błąd niedomiaru. Próbujesz usunąć więcej owoców niż masz w magazynie.");
-				}
-				else if (data["message"].ToString().Contains("Over max"))
-				{
-					window = new ErrorWindow("Wystąpił błąd nadmiaru. Próbujesz dodać więcej owoców niż pomieści magazyn.");
-				}
-				else
-				{
-					window = new ErrorWindow("Nieznany błąd.");
-				}
-				window.Owner = this;
-				window.ShowDialog();
-			}
+                if (data["message"].ToString().Contains("Too low"))
+                {
+                    window = new ErrorWindow("Wystąpił błąd niedomiaru. Próbujesz usunąć więcej owoców niż masz w magazynie.");
+                }
+                else if (data["message"].ToString().Contains("Over max"))
+                {
+                    window = new ErrorWindow("Wystąpił błąd nadmiaru. Próbujesz dodać więcej owoców niż pomieści magazyn.");
+                }
+                else
+                {
+                    window = new ErrorWindow("Nieznany błąd.");
+                }
+                window.Owner = this;
+                window.ShowDialog();
+            }
 
-			RefreshListOfFruits();
-		}
+            RefreshListOfFruits();
+        }
 
-		private void RefreshListOfFruits()
-		{
+        private void RefreshListOfFruits()
+        {
+            pageBlock.Text = page.ToString();
 
-			Task<HttpResponseMessage> response = client.GetAsync("https://sysmag.herokuapp.com/api/get-all?page=" + page.ToString() + "&size=" + size.ToString());
-			while (response.IsCompleted != true) ;
+            Task<HttpResponseMessage> response = client.GetAsync("https://sysmag.herokuapp.com/api/get-all?page=" + page.ToString() + "&size=" + size.ToString());
+            while (response.IsCompleted != true) ;
 
-			if (response.Result.StatusCode != HttpStatusCode.OK)
-			{
-				ErrorWindow window = new ErrorWindow("Nastąpił błąd połączenia z serwerem.");
-				window.Owner = this;
-				window.ShowDialog();
-				return;
-			}
+            if (response.Result.StatusCode != HttpStatusCode.OK)
+            {
+                ErrorWindow window = new ErrorWindow("Nastąpił błąd połączenia z serwerem.");
+                window.Owner = this;
+                window.ShowDialog();
 
-			string responseString = response.Result.Content.ReadAsStringAsync().Result;
+                page = 0;
+                size = 0;
 
-			JObject replay = JObject.Parse(responseString);
+                return;
+            }
 
-			firstPage = bool.Parse(replay["first"].ToString());
-			lastPage = bool.Parse(replay["last"].ToString());
+            string responseString = response.Result.Content.ReadAsStringAsync().Result;
 
-			Fruit[] fruits = JsonConvert.DeserializeObject<Fruit[]>(replay["content"].ToString());
+            JObject replay = JObject.Parse(responseString);
 
-			UpdateListOfFruits(fruits);
-		}
+            firstPage = bool.Parse(replay["first"].ToString());
+            lastPage = bool.Parse(replay["last"].ToString());
 
-		private void UpdateListOfFruits(Fruit[] list)
-		{
-			fruitList.Items.Clear();
+            Fruit[] fruits = JsonConvert.DeserializeObject<Fruit[]>(replay["content"].ToString());
 
-			foreach (Fruit item in list)
-			{
-				FruitView fruitView = new FruitView(item);
-				fruitView.SaveChangingAmountOfFruits += FruitViewSaveChangingAmountOfFruits;
-				fruitList.Items.Add(fruitView);
-			}
-		}
+            UpdateListOfFruits(fruits);
+        }
 
-		private WarehousePrice GetWarehousePrice()
-		{
-			Task<HttpResponseMessage> response = client.GetAsync("https://sysmag.herokuapp.com/api/get-price-of-all");
-			while (response.IsCompleted != true) ;
+        private void UpdateListOfFruits(Fruit[] list)
+        {
+            fruitList.Items.Clear();
 
-			WarehousePrice price = JsonConvert.DeserializeObject<WarehousePrice>(response.Result.Content.ReadAsStringAsync().Result.ToString());
+            foreach (Fruit item in list)
+            {
+                FruitView fruitView = new FruitView(item);
+                fruitView.SaveChangingAmountOfFruits += FruitViewSaveChangingAmountOfFruits;
+                fruitList.Items.Add(fruitView);
+            }
+        }
 
-			return price;
-		}
+        private WarehousePrice GetWarehousePrice()
+        {
+            Task<HttpResponseMessage> response = client.GetAsync("https://sysmag.herokuapp.com/api/get-price-of-all");
+            while (response.IsCompleted != true) ;
 
-		private void Value_Click(object sender, RoutedEventArgs e)
-		{
-			ValueWindow window = new ValueWindow(GetWarehousePrice().Price);
-			window.Owner = this;
-			window.ShowDialog();
-		}
+            WarehousePrice price = JsonConvert.DeserializeObject<WarehousePrice>(response.Result.Content.ReadAsStringAsync().Result.ToString());
 
-		private void prevButton_Click(object sender, RoutedEventArgs e)
-		{
-			if (firstPage != true) page--;
-			RefreshListOfFruits();
-		}
+            return price;
+        }
 
-		private void nextButton_Click(object sender, RoutedEventArgs e)
-		{
-			if (lastPage != true) page++;
-			RefreshListOfFruits();
-		}
+        private void Value_Click(object sender, RoutedEventArgs e)
+        {
+            ValueWindow window = new ValueWindow(GetWarehousePrice().Price);
+            window.Owner = this;
+            window.ShowDialog();
+        }
 
-		private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
-		{
-			Size size = e.NewSize;
-			double height = size.Height - 124;
-			this.size = (int)(height / 90);
-			RefreshListOfFruits();
-		}
+        private void prevButton_Click(object sender, RoutedEventArgs e)
+        {
+            if (firstPage != true) page--;
+            RefreshListOfFruits();
+        }
 
-		private void themeCombo_SelectionChanged(object sender, SelectionChangedEventArgs e)
-		{
-			var app = App.Current as App;
-			app.ChangeTheme(themeCombo.SelectedIndex);
-		}
-	}
+        private void nextButton_Click(object sender, RoutedEventArgs e)
+        {
+            if (lastPage != true) page++;
+            RefreshListOfFruits();
+        }
+
+        private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
+        {
+            Size size = e.NewSize;
+            
+            if( Math.Abs(windowSize.Height - size.Height) >= 40 )
+            {
+                //size -> number of elementy by page
+                this.size = (int)((size.Height - 124) / 80);
+                page = 0;
+                windowSize = size;
+                RefreshListOfFruits();
+            } 
+        }
+
+        private void fruitListMouseDoubleClick(object sender, MouseButtonEventArgs e)
+        {
+            if (fruitList.SelectedItem != null)
+            {
+                InfoWindow window = new InfoWindow((fruitList.SelectedItem as FruitView).fruit);
+                window.Owner = this;
+                window.ShowDialog();
+            }
+        }
+    }
 }
 
diff --git a/Magazyn_Client/Magazyn/Views/FruitView.xaml.cs b/Magazyn_Client/Magazyn/Views/FruitView.xaml.cs
index 653e228..70d0d23 100644
--- a/Magazyn_Client/Magazyn/Views/FruitView.xaml.cs
+++ b/Magazyn_Client/Magazyn/Views/FruitView.xaml.cs
@@ -24,7 +24,7 @@ namespace Magazyn.Views
 	/// </summary>
 	public partial class FruitView : UserControl
 	{
-		Fruit fruit;
+		public Fruit fruit;
 
 		public delegate void ChangingAmountOfFruits(int amountChanged, Fruit fruit);
 		public event ChangingAmountOfFruits SaveChangingAmountOfFruits;
@@ -42,18 +42,18 @@ namespace Magazyn.Views
 
             try
 			{
-				fruitImage.Source = new BitmapImage(new Uri(fruit.ImageLink));
-			}
+                fruitImage.Source = fruit.ImageSource;
+            }
 			catch (Exception ex)
 			{
 				MessageBox.Show(ex.Message);
 			}
 
-		}
+        }
 
-		private void subaddButton_Click(object sender, RoutedEventArgs e)
+        private void subaddButton_Click(object sender, RoutedEventArgs e)
 		{
-			AmountWindow window = new AmountWindow(fruit, ((sender as Image).Name == "minusImage")?-1:1, fruit.Quantity);
+            AmountWindow window = new AmountWindow(fruit, ((sender as Image).Name == "minusImage")?-1:1, fruit.Quantity);
 			window.SaveChangingAmountOfFruits += WindowSaveChangingAmountOfFruits;
 			window.Owner = Application.Current.MainWindow;
 			window.ShowDialog();
diff --git a/Magazyn_Client/Magazyn/Windows/AmountWindow.xaml b/Magazyn_Client/Magazyn/Windows/AmountWindow.xaml
index 5d4b456..936dd51 100644
--- a/Magazyn_Client/Magazyn/Windows/AmountWindow.xaml
+++ b/Magazyn_Client/Magazyn/Windows/AmountWindow.xaml
@@ -15,14 +15,14 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Magazyn.Windows"
         mc:Ignorable="d"
-        Title="Magazyn" WindowStartupLocation="CenterOwner" Height="205" Width="220" ResizeMode="NoResize" Keyboard.KeyDown="Window_KeyDown">
-    
-        <Grid>
-		<TextBlock x:Name="fruitName" HorizontalAlignment="Left" Margin="10,82,0,0" TextWrapping="Wrap" Text="fruitName" Width="64" Height="16" VerticalAlignment="Top"/>
-		<TextBlock x:Name="messageBox" HorizontalAlignment="Left" Margin="80,10,0,0" TextWrapping="Wrap" Text="messageBox" VerticalAlignment="Top" Width="125" Height="64"/>
-		<TextBox x:Name="amountToChange" Margin="0,71,9,0" TextWrapping="Wrap" Text="0" RenderTransformOrigin="1.456,0.316" Height="32" VerticalAlignment="Top" HorizontalAlignment="Right" Width="64"/>
-		<Button x:Name="saveButton" Content="Zastosuj" Margin="105,122,0,0" VerticalAlignment="Top" Click="saveButton_Click" Width="90" HorizontalAlignment="Left"/>
-		<Button x:Name="cancelButton" Content="Anuluj" Margin="10,122,0,0" VerticalAlignment="Top" Click="cancelButton_Click" Width="90" HorizontalAlignment="Left" />
+        Title="" WindowStartupLocation="CenterOwner" Height="205" Width="220" ResizeMode="NoResize" Keyboard.KeyDown="Window_KeyDown">
+
+    <Grid>
+        <TextBlock x:Name="fruitName" HorizontalAlignment="Left" Margin="10,82,0,0" TextWrapping="Wrap" Text="fruitName" Width="64" Height="16" VerticalAlignment="Top"/>
+        <TextBlock x:Name="messageBox" HorizontalAlignment="Left" Margin="80,10,0,0" TextWrapping="Wrap" Text="messageBox" VerticalAlignment="Top" Width="125" Height="64"/>
+        <TextBox x:Name="amountToChange" Margin="0,71,9,0" TextWrapping="Wrap" Text="" RenderTransformOrigin="1.456,0.316" Height="32" VerticalAlignment="Top" HorizontalAlignment="Right" Width="64"/>
+        <Button x:Name="saveButton" Content="Zastosuj" Margin="0,0,9,10" VerticalAlignment="Bottom" Click="saveButton_Click" Width="90" HorizontalAlignment="Right"/>
+        <Button x:Name="cancelButton" Content="Anuluj" Margin="10,0,0,10" VerticalAlignment="Bottom" Click="cancelButton_Click" Width="90" HorizontalAlignment="Left" />
         <Image x:Name="fruitImage" HorizontalAlignment="Left" Height="64" Margin="10,10,0,0" VerticalAlignment="Top" Width="64"/>
 
     </Grid>
diff --git a/Magazyn_Client/Magazyn/Windows/AmountWindow.xaml.cs b/Magazyn_Client/Magazyn/Windows/AmountWindow.xaml.cs
index 9c58f14..c3ac79c 100644
--- a/Magazyn_Client/Magazyn/Windows/AmountWindow.xaml.cs
+++ b/Magazyn_Client/Magazyn/Windows/AmountWindow.xaml.cs
@@ -15,85 +15,94 @@ using System.Windows.Shapes;
 
 namespace Magazyn.Windows
 {
-	/// <summary>
-	/// Interaction logic for AmountWindow.xaml
-	/// </summary>
-	/// 
+    /// <summary>
+    /// Interaction logic for AmountWindow.xaml
+    /// </summary>
+    /// 
 
-	public partial class AmountWindow : Window
-	{
-		Fruit fruit;
-		int type;
-		int quantity;
+    public partial class AmountWindow : Window
+    {
+        Fruit fruit;
+        int type;
+        int quantity;
 
-		public delegate void ChangingAmountOfFruits(int amountChanged);
-		public event ChangingAmountOfFruits SaveChangingAmountOfFruits;
+        public delegate void ChangingAmountOfFruits(int amountChanged);
+        public event ChangingAmountOfFruits SaveChangingAmountOfFruits;
 
-		public AmountWindow(Fruit fruit, int type, int quantity)
-		{
-			InitializeComponent();
-			this.fruit = fruit;
-			this.type = type;
+        bool focusLock = false;
 
-			this.quantity = quantity;
+        public AmountWindow(Fruit fruit, int type, int quantity)
+        {
+            InitializeComponent();
+            this.fruit = fruit;
+            this.type = type;
 
-			if (type == -1)
-				this.Title = "Zmniejsz ilość: " + fruit.Name;
-			else
-				this.Title = "Zwiększ ilość: " + fruit.Name;
+            this.quantity = quantity;
 
-			fruitName.Text = fruit.Name;
+            if (type == -1)
+                this.Title = "Zmniejsz ilość: " + fruit.Name;
+            else
+                this.Title = "Zwiększ ilość: " + fruit.Name;
 
-			messageBox.Text = String.Format("Jaką ilość produktu chcesz {0} do magazynu?", (type > 0) ? "dodać" : "odjąć");
+            fruitName.Text = fruit.Name;
 
-			try
-			{
-				fruitImage.Source = new BitmapImage(new Uri(fruit.ImageLink));
-			}
-			catch (Exception ex)
-			{
-				MessageBox.Show(ex.Message);
-			}
+            messageBox.Text = String.Format("Jaką ilość produktu chcesz {0} do magazynu?", (type > 0) ? "dodać" : "odjąć");
 
-		}
+            try
+            {
+                fruitImage.Source = fruit.ImageSource;
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message);
+            }
 
-		private void SendNewQuantity()
-		{
-			int amount = int.Parse(amountToChange.Text);
-			try
-			{
-				if (amount < 0)
-				{
-					ErrorWindow window = new ErrorWindow("Podana wartość jest nieprawidłowa, proszę podać wartość dodatnią.");
-					window.Owner = Application.Current.MainWindow;
-					window.ShowDialog();
-					amountToChange.Text = "0";
-					return;
-				}
+            this.Loaded += AmountWindowLoaded;
 
-			}
-			catch (Exception ex)
-			{
-				throw new NotImplementedException(ex.Message);
-			}
+        }
 
-			SaveChangingAmountOfFruits.Invoke((type > 0) ? amount : -amount);
-			this.Close();
-		}
+        private void AmountWindowLoaded(object sender, RoutedEventArgs e)
+        {
+             amountToChange.Focus();
+        }
 
-		private void saveButton_Click(object sender, RoutedEventArgs e)
-		{
-			SendNewQuantity();
-		}
+        private void SendNewQuantity()
+        {
+            int amount = int.Parse(amountToChange.Text);
+            try
+            {
+                if (amount < 0)
+                {
+                    ErrorWindow window = new ErrorWindow("Podana wartość jest nieprawidłowa, proszę podać wartość dodatnią.");
+                    window.Owner = Application.Current.MainWindow;
+                    window.ShowDialog();
+                    amountToChange.Text = "0";
+                    return;
+                }
 
-		private void cancelButton_Click(object sender, RoutedEventArgs e)
-		{
-			this.Close();
-		}
+            }
+            catch (Exception ex)
+            {
+                throw new NotImplementedException(ex.Message);
+            }
 
-		private void Window_KeyDown(object sender, KeyEventArgs e)
-		{
-			if (e.Key == Key.Return) SendNewQuantity();
-		}
-	}
+            SaveChangingAmountOfFruits.Invoke((type > 0) ? amount : -amount);
+            this.Close();
+        }
+
+        private void saveButton_Click(object sender, RoutedEventArgs e)
+        {
+            SendNewQuantity();
+        }
+
+        private void cancelButton_Click(object sender, RoutedEventArgs e)
+        {
+            this.Close();
+        }
+
+        private void Window_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Return) SendNewQuantity();
+        }
+    }
 }
diff --git a/Magazyn_Client/Magazyn/Windows/ErrorWindow.xaml b/Magazyn_Client/Magazyn/Windows/ErrorWindow.xaml
index ef49a77..599811e 100644
--- a/Magazyn_Client/Magazyn/Windows/ErrorWindow.xaml
+++ b/Magazyn_Client/Magazyn/Windows/ErrorWindow.xaml
@@ -15,7 +15,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Magazyn.Windows"
         mc:Ignorable="d"
-        Title="Błąd"  WindowStartupLocation="CenterOwner" Height="205" Width="220" ResizeMode="NoResize">
+        Title="Błąd" WindowStartupLocation="CenterOwner" Height="205" Width="220" ResizeMode="NoResize">
 	<Grid>
 		<Button x:Name="okButton" Content="Ok" HorizontalAlignment="Right" Margin="0,0,10,10" VerticalAlignment="Bottom" Width="75" Click="okButton_Click"/>
 		<TextBlock x:Name="messageBlock" FontSize="16" Margin="10,10,10,0" TextWrapping="Wrap" Text="messageBlock" VerticalAlignment="Top"/>
diff --git a/Magazyn_Client/Magazyn/Windows/InfoWindow.xaml b/Magazyn_Client/Magazyn/Windows/InfoWindow.xaml
new file mode 100644
index 0000000..a627cc5
--- /dev/null
+++ b/Magazyn_Client/Magazyn/Windows/InfoWindow.xaml
@@ -0,0 +1,28 @@
+<Window x:Class="Magazyn.Windows.InfoWindow"
+        
+        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+		TextElement.Foreground="{DynamicResource MaterialDesignBody}"
+		TextElement.FontWeight="Regular"
+		TextElement.FontSize="13"
+		TextOptions.TextFormattingMode="Ideal"
+		TextOptions.TextRenderingMode="Auto"
+		Background="{DynamicResource MaterialDesignPaper}"
+		FontFamily="{DynamicResource MaterialDesignFont}"
+        
+        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:local="clr-namespace:Magazyn.Windows"
+        mc:Ignorable="d"
+        Title="Informacje o: " WindowStartupLocation="CenterOwner" Height="205" Width="220" ResizeMode="NoResize">
+    <Grid>
+        <TextBlock x:Name="fruitName" Margin="79,10,9,0" TextWrapping="Wrap" Text="fruitName" Height="16" VerticalAlignment="Top"/>
+        <TextBlock x:Name="fruitPrice" Margin="79,31,10,0" TextWrapping="Wrap" Text="fruitPrice" Height="16" VerticalAlignment="Top"/>
+        <TextBlock x:Name="fruitQuantity" Margin="79,52,10,0" TextWrapping="Wrap" Text="fruitQuantity" Height="16" VerticalAlignment="Top"/>
+        <TextBlock x:Name="fruitQuantityMax" Margin="79,73,10,0" TextWrapping="Wrap" Text="fruitQuantityMax" Height="16" VerticalAlignment="Top"/>
+        <TextBlock x:Name="fruitValue" Margin="79,94,10,0" TextWrapping="Wrap" Text="fruitValue" Height="16" VerticalAlignment="Top"/>
+        <Button x:Name="okButton" Content="Ok" Margin="0,0,9,10" VerticalAlignment="Bottom" Click="okButton_Click" Width="75" HorizontalAlignment="Right"/>
+        <Image x:Name="fruitImage" HorizontalAlignment="Left" Height="64" Margin="10,10,0,0" VerticalAlignment="Top" Width="64"/>
+    </Grid>
+</Window>
diff --git a/Magazyn_Client/Magazyn/Windows/InfoWindow.xaml.cs b/Magazyn_Client/Magazyn/Windows/InfoWindow.xaml.cs
new file mode 100644
index 0000000..cb7de38
--- /dev/null
+++ b/Magazyn_Client/Magazyn/Windows/InfoWindow.xaml.cs
@@ -0,0 +1,53 @@
+using Magazyn.DataModels;
+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.Shapes;
+
+namespace Magazyn.Windows
+{
+    /// <summary>
+    /// Interaction logic for InfoWindow.xaml
+    /// </summary>
+    public partial class InfoWindow : Window
+    {
+        Fruit fruit;
+        public InfoWindow(Fruit fruit)
+        {
+            InitializeComponent();
+            this.fruit = fruit;
+
+            fruitName.Text = "Owoc: " + fruit.Name;
+            this.Title = this.Title + fruit.Name;
+
+            fruitPrice.Text = "Cena: " + fruit.Price.ToString() + "zł";
+            fruitQuantity.Text = "Ilość: " + fruit.Quantity.ToString();
+            fruitQuantityMax.Text = "Ilość maks: " + fruit.QuantityMax.ToString();
+
+            fruitValue.Text = "Wartość: " + (fruit.Price * fruit.Quantity).ToString() + "zł";
+
+            try
+            {
+                fruitImage.Source = fruit.ImageSource;
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message);
+            }
+        }
+
+        private void okButton_Click(object sender, RoutedEventArgs e)
+        {
+            this.Close();
+        }
+    }
+}

From c73fd4e058ae2bcdbe0e9dc393f7f885716ef46a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konrad=20Pierzy=C5=84ski?=
 <s442333@instalka-Standard-PC-i440FX-PIIX-1996>
Date: Wed, 23 Jan 2019 23:10:44 +0100
Subject: [PATCH 2/2] Added caching class to handle images

---
 Magazyn_Client/Magazyn/DataModels/Fruit.cs | 13 +++++-----
 Magazyn_Client/Magazyn/Magazyn.csproj      |  1 +
 Magazyn_Client/Magazyn/MainWindow.xaml.cs  |  1 +
 Magazyn_Client/Magazyn/Tools/CacheImage.cs | 29 ++++++++++++++++++++++
 4 files changed, 37 insertions(+), 7 deletions(-)
 create mode 100644 Magazyn_Client/Magazyn/Tools/CacheImage.cs

diff --git a/Magazyn_Client/Magazyn/DataModels/Fruit.cs b/Magazyn_Client/Magazyn/DataModels/Fruit.cs
index 47194f4..ad60ffd 100644
--- a/Magazyn_Client/Magazyn/DataModels/Fruit.cs
+++ b/Magazyn_Client/Magazyn/DataModels/Fruit.cs
@@ -1,8 +1,10 @@
-using System;
+using Magazyn.Tools;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows;
 using System.Windows.Media.Imaging;
 
 namespace Magazyn.DataModels
@@ -79,6 +81,7 @@ namespace Magazyn.DataModels
 
 		public Fruit(int id, string name, int quantity, int quantityMax, float price, string imageLink)
 		{
+          
 			this.id = id;
 			this.name = name;
 			this.quantity = quantity;
@@ -86,11 +89,7 @@ namespace Magazyn.DataModels
             this.price = price;
 			this.imageLink = imageLink;
 
-            imageSource = new BitmapImage();
-            imageSource.BeginInit();
-            imageSource.UriSource = new Uri(imageLink);
-            imageSource.CacheOption = BitmapCacheOption.OnLoad;
-            imageSource.EndInit();
+            imageSource = CacheImage.GetImageSource(new Uri(imageLink));
         }
-	}
+    }
 }
diff --git a/Magazyn_Client/Magazyn/Magazyn.csproj b/Magazyn_Client/Magazyn/Magazyn.csproj
index 94e47cb..d2a77ae 100644
--- a/Magazyn_Client/Magazyn/Magazyn.csproj
+++ b/Magazyn_Client/Magazyn/Magazyn.csproj
@@ -67,6 +67,7 @@
     </ApplicationDefinition>
     <Compile Include="DataModels\Fruit.cs" />
     <Compile Include="DataModels\WarehousePrice.cs" />
+    <Compile Include="Tools\CacheImage.cs" />
     <Compile Include="Views\FruitView.xaml.cs">
       <DependentUpon>FruitView.xaml</DependentUpon>
     </Compile>
diff --git a/Magazyn_Client/Magazyn/MainWindow.xaml.cs b/Magazyn_Client/Magazyn/MainWindow.xaml.cs
index 6902005..7d09588 100644
--- a/Magazyn_Client/Magazyn/MainWindow.xaml.cs
+++ b/Magazyn_Client/Magazyn/MainWindow.xaml.cs
@@ -20,6 +20,7 @@ using Newtonsoft.Json.Linq;
 
 using System.Net;
 using Magazyn.Windows;
+using Magazyn.Tools;
 
 namespace Magazyn
 {
diff --git a/Magazyn_Client/Magazyn/Tools/CacheImage.cs b/Magazyn_Client/Magazyn/Tools/CacheImage.cs
new file mode 100644
index 0000000..309b869
--- /dev/null
+++ b/Magazyn_Client/Magazyn/Tools/CacheImage.cs
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Media.Imaging;
+
+namespace Magazyn.Tools
+{
+    class CacheImage
+    {
+        static Dictionary<Uri, BitmapImage> dic = new Dictionary<Uri, BitmapImage>();
+
+        static public BitmapImage GetImageSource( Uri url )
+        {
+            if (dic.Keys.Contains<Uri>(url)) return dic[url];
+            else
+            {
+                BitmapImage imageSource = new BitmapImage();
+                imageSource.BeginInit();
+                imageSource.UriSource = url;
+                imageSource.CacheOption = BitmapCacheOption.OnLoad;
+                imageSource.EndInit();
+                dic.Add(url, imageSource);
+                return imageSource;
+            }
+        }
+    }
+}