MusicalInstrument.cs
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
namespace WpfApp3.Class
{
[DataContract]
public class MusicalInstrument
{
[DataMember]
public string Name { get; set; }
[DataMember]
public string Type { get; set; }
[DataMember]
public string Brand { get; set; }
[DataMember]
public double Price { get; set; }
[DataMember(Name = "deliveryDate")]
private string? stringDate { get; set; }
[IgnoreDataMember]
public DateTime? deliveryDate
{
get
{
return stringDate == null ? null : DateTime.Parse(stringDate);
}
set
{
stringDate = value.ToString();
}
}
}
}
Manager.cs
using System.Collections.Generic;
using WpfApp3.Class;
using System.IO;
using System.Linq;
using System.Globalization;
using System.Runtime.Serialization.Json;
namespace WpfApp3
{
public class JSONDataProvider
{
private List<MusicalInstrument> _instruments;
public JSONDataProvider()
{
var serializer = new DataContractJsonSerializer(typeof(MusicalInstrument[]));
using (var sr = new StreamReader("data.json"))
{
_instruments = ((MusicalInstrument[])serializer.ReadObject(sr.BaseStream)).ToList();
}
}
public List<MusicalInstrument> GetInstruments()
{
return _instruments;
}
}
}
Filter.cs
using System.Collections.Generic;
using System.Linq;
using WpfApp3.Class;
namespace WpfApp2
{
class InstrumentFilter
{
public List<MusicalInstrument> FilterByType(List<MusicalInstrument> instruments, string type)
{
return instruments.Where(i => i.Type == type).ToList();
}
public List<MusicalInstrument> FilterAll(List<MusicalInstrument> instruments)
{
return instruments;
}
}
}
MainWindow.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using WpfApp2;
using WpfApp3.Class;
namespace WpfApp3
{
public partial class MainWindow : Window
{
private JSONDataProvider dataProvider;
private InstrumentFilter filter;
private string searchFilter = "";
private bool sortAsc = true;
public MainWindow()
{
InitializeComponent();
dataProvider = new JSONDataProvider();
filter = new InstrumentFilter();
FilterComboBox.Items.Add("Все");
FilterComboBox.Items.Add("Клавишные");
FilterComboBox.Items.Add("Струнные");
FilterComboBox.Items.Add("Ударные");
FilterComboBox.SelectedIndex = 0;
UpdateInstrumentList(dataProvider.GetInstruments());
}
private void FilterComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
string selectedFilter = (string)FilterComboBox.SelectedItem;
if (selectedFilter == "Все")
{
UpdateInstrumentList(filter.FilterAll(dataProvider.GetInstruments()));
}
else
{
UpdateInstrumentList(filter.FilterByType(dataProvider.GetInstruments(), selectedFilter));
}
}
private void SearchFilter_KeyUp(object sender, KeyEventArgs e)
{
searchFilter = SearchFilterTextBox.Text;
UpdateInstrumentList(dataProvider.GetInstruments());
}
private void RadioButtonAsc_Checked(object sender, RoutedEventArgs e)
{
sortAsc = true;
UpdateInstrumentList(dataProvider.GetInstruments());
}
private void RadioButtonDesc_Checked(object sender, RoutedEventArgs e)
{
sortAsc = false;
UpdateInstrumentList(dataProvider.GetInstruments());
}
private void UpdateInstrumentList(List<MusicalInstrument> instrumentsToDisplay)
{
if (!string.IsNullOrEmpty(searchFilter))
{
instrumentsToDisplay = instrumentsToDisplay.Where(i => i.Name.IndexOf(searchFilter, StringComparison.OrdinalIgnoreCase) >= 0 ||
i.Type.IndexOf(searchFilter, StringComparison.OrdinalIgnoreCase) >= 0 ||
i.Brand.IndexOf(searchFilter, StringComparison.OrdinalIgnoreCase) >= 0).ToList();
}
if (sortAsc)
{
instrumentsToDisplay = instrumentsToDisplay.OrderBy(i => i.Price).ToList();
}
else
{
instrumentsToDisplay = instrumentsToDisplay.OrderByDescending(i => i.Price).ToList();
}
InstrumentListView.ItemsSource = instrumentsToDisplay;
}
private void ExitButton_Click(object sender, RoutedEventArgs e)
{
Application.Current.Shutdown();
}
}
}
MainWindow.xaml
<Window x:Class="WpfApp3.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:local="clr-namespace:WpfApp3"
mc:Ignorable="d"
Title="Musical Store" Height="450" Width="800">
<Grid ShowGridLines="True">
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="*" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="200"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Image Source="./assets/Guitar.jpg" Grid.Column="0" Grid.RowSpan="3" HorizontalAlignment="Right"/>
<StackPanel Grid.Column="1" Orientation="Horizontal" Margin="10">
<Label Content="Фильтр:" VerticalAlignment="Center" />
<ComboBox x:Name="FilterComboBox" SelectionChanged="FilterComboBox_SelectionChanged" Margin="10" />
<Label Content="Поиск:" VerticalAlignment="Center" />
<TextBox Width="200" VerticalAlignment="Center" x:Name="SearchFilterTextBox" KeyUp="SearchFilter_KeyUp"/>
</StackPanel>
<StackPanel Grid.Column="1" Orientation="Vertical" Grid.Row="2" VerticalAlignment="Bottom">
<RadioButton GroupName="Sort" Tag="1" Content="по возрастанию" Checked="RadioButtonAsc_Checked" VerticalAlignment="Center"/>
<RadioButton GroupName="Sort" Tag="2" Content="по убыванию" Checked="RadioButtonDesc_Checked" VerticalAlignment="Center"/>
<Button x:Name="ExitButton" Content="Выход" Click="ExitButton_Click" Height="50"/>
</StackPanel>
<DataGrid x:Name="InstrumentListView"
Grid.Row="1"
Grid.Column="1"
CanUserAddRows="False"
AutoGenerateColumns="False"
ItemsSource="{Binding InstrumentListView}">
<DataGrid.Columns>
<DataGridTextColumn
Header="Название"
Binding="{Binding Name}"/>
<DataGridTextColumn
Header="Тип"
Binding="{Binding Type}"/>
<DataGridTextColumn
Header="Бренд"
Binding="{Binding Brand}"/>
<DataGridTextColumn
Header="Цена"
Binding="{Binding Price}"/>
<DataGridTextColumn
Header="Дата поступления"
Binding="{Binding deliveryDate, StringFormat={}{0:dd.MM.yyyy}}"/>
</DataGrid.Columns>
</DataGrid>
</Grid>
</Window>