■ LookUpEdit 클래스에서 신규 값을 처리하는 방법을 보여준다.
▶ ProductControl.xaml
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<UserControl x:Class="TestProject.ProductControl" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core" xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors" Width="300" Height="280" FontFamily="나눔고딕코딩" FontSize="12"> <Grid> <StackPanel Margin="10"> <StackPanel HorizontalAlignment="Center" Orientation="Horizontal" Margin="0 0 0 10"> <TextBlock VerticalAlignment="Center" Text="Product Name :" /> <dxe:TextEdit Margin="5 0 0 0" VerticalAlignment="Center" IsReadOnly="True" EditValue="{Binding Path=ProductName, Mode=OneWay}" /> </StackPanel> <dx:GroupFrame MinWidth="300" Header="New Value Properties"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <TextBlock Grid.Row="0" Grid.Column="0" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="5" Text="Country : " /> <dxe:TextEdit x:Name="countryTextEdit" Grid.Row="0" Grid.Column="1" VerticalAlignment="Center" Margin="5" Width="150" Height="25" EditValue="{Binding Path=Country, Mode=TwoWay}" /> <TextBlock Grid.Row="1" Grid.Column="0" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="5" Text="City : " /> <dxe:TextEdit x:Name="cityTextEdit" Grid.Row="1" Grid.Column="1" VerticalAlignment="Center" Margin="5" Width="150" Height="25" EditValue="{Binding Path=City, Mode=TwoWay}" /> <TextBlock Grid.Row="2" Grid.Column="0" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="5" Text="Quantity : " /> <dxe:TextEdit x:Name="quantityTextEdit" Grid.Row="2" Grid.Column="1" VerticalAlignment="Center" Margin="5" Width="150" Height="25" EditValue="{Binding Path=Quantity, Mode=TwoWay}" /> <TextBlock Grid.Row="3" Grid.Column="0" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="5" Text="Unit Price : " /> <dxe:SpinEdit x:Name="unitPriceSpinEdit" Grid.Row="3" Grid.Column="1" VerticalAlignment="Center" Margin="5" Width="150" Height="25" EditValue="{Binding Path=UnitPrice, Mode=TwoWay, Converter={StaticResource StringToIntegerValueConverterKey}}" /> <TextBlock Grid.Row="4" Grid.Column="0" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="5" Text="Product ID : " /> <dxe:SpinEdit x:Name="idSpinEdit" Grid.Row="4" Grid.Column="1" VerticalAlignment="Center" Margin="5" Width="150" Height="25" EditValue="{Binding Path=ID, Mode=TwoWay, Converter={StaticResource StringToIntegerValueConverterKey}}" /> </Grid> </dx:GroupFrame> </StackPanel> </Grid> </UserControl> |
▶ ProductControl.xaml.cs
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using System.Windows.Controls; namespace TestProject { /// <summary> /// 제품 컨트롤 /// </summary> public partial class ProductControl : UserControl { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - ProductControl() /// <summary> /// 생성자 /// </summary> public ProductControl() { InitializeComponent(); } #endregion } } |
▶ ProductListViewModel.cs
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using System.Collections.Generic; using System.Collections.ObjectModel; using System.Windows.Input; using DevExpress.Xpf.Mvvm; namespace TestProject { /// <summary> /// 제품 리스트 뷰 모델 /// </summary> public class ProductListViewModel : ViewModelBase { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 제품 컬렉션 /// </summary> private ObservableCollection<Product> productCollection = new ObservableCollection<Product>(); /// <summary> /// 제품 폼 보여주기 명령 /// </summary> private ICommand showProductFormCommand; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 제품 컬렉션 - ProductCollection /// <summary> /// 제품 컬렉션 /// </summary> public ObservableCollection<Product> ProductCollection { get { return this.productCollection; } } #endregion #region 제품 폼 보여주기 명령 - ShowProductFormCommand /// <summary> /// 제품 폼 보여주기 명령 /// </summary> public ICommand ShowProductFormCommand { get { if(this.showProductFormCommand == null) { this.showProductFormCommand = new DelegateCommand<string>(OnShowProductFormCommandExecute); } return this.showProductFormCommand; } } #endregion #region 대화 상자 서비스 - DialogService /// <summary> /// 대화 상자 서비스 /// </summary> public IDialogService DialogService { get { return GetService<IDialogService>(); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - ProductListViewModel() /// <summary> /// 생성자 /// </summary> public ProductListViewModel() : base() { this.productCollection.Add(new Product() { ID = 1000, ProductName = "Chang" , Country = "UK" , City = "Cowes" , UnitPrice = 19, Quantity = 10 }); this.productCollection.Add(new Product() { ID = 1001, ProductName = "Gravad lax" , Country = "Italy" , City = "Reggio Emilia" , UnitPrice = 12, Quantity = 16 }); this.productCollection.Add(new Product() { ID = 1002, ProductName = "Ravioli Angelo", Country = "Brazil" , City = "Rio de Janeiro", UnitPrice = 19, Quantity = 12 }); this.productCollection.Add(new Product() { ID = 1003, ProductName = "Tarte au sucre", Country = "Germany", City = "QUICK-Stop" , UnitPrice = 22, Quantity = 50 }); this.productCollection.Add(new Product() { ID = 1004, ProductName = "Steeleye Stout", Country = "USA" , City = "Reggio Emilia" , UnitPrice = 18, Quantity = 20 }); this.productCollection.Add(new Product() { ID = 1005, ProductName = "Pavlova" , Country = "Austria", City = "Graz" , UnitPrice = 21, Quantity = 52 }); this.productCollection.Add(new Product() { ID = 1006, ProductName = "Longlife Tofu" , Country = "USA" , City = "Boise" , UnitPrice = 7 , Quantity = 120}); this.productCollection.Add(new Product() { ID = 1007, ProductName = "Alice Mutton" , Country = "Mexico" , City = "Meéxico D.F." , UnitPrice = 21, Quantity = 15 }); this.productCollection.Add(new Product() { ID = 1008, ProductName = "Alice Mutton" , Country = "Canada" , City = "Tsawwassen" , UnitPrice = 44, Quantity = 16 }); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 제품 폼 보여주기 명령 실행시 처리하기 - OnShowProductFormCommandExecute(parameter) /// <summary> /// 제품 폼 보여주기 명령 실행시 처리하기 /// </summary> /// <param name="parameter">매개 변수</param> private void OnShowProductFormCommandExecute(string parameter) { if(string.IsNullOrEmpty(parameter)) { return; } Product product = new Product() { ProductName = parameter }; UICommand addProductUICommand = new UICommand() { Caption = "Add", IsCancel = false, IsDefault = true }; UICommand cancelProductUICommand = new UICommand() { Caption = "Cancel", IsDefault = false, IsCancel = true }; UICommand resultUICommand = DialogService.ShowDialog(new List<UICommand>() { addProductUICommand, cancelProductUICommand}, "Add New Product", product); if(resultUICommand == addProductUICommand) { this.productCollection.Add(product); } } #endregion } } |
▶ ProductNameEventArgsConverter.cs
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using DevExpress.Xpf.Editors; using DevExpress.Xpf.Mvvm.UI; namespace TestProject { /// <summary> /// 제품명 이벤트 인자 변환자 /// </summary> public class ProductNameEventArgsConverter : IEventArgsConverter { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 변환하기 - Convert(e) /// <summary> /// 변환하기 /// </summary> /// <param name="e">이벤트 인자</param> /// <returns>변환 값</returns> public object Convert(object e) { string productName = (e as ProcessNewValueEventArgs).DisplayText; return productName; } #endregion } } |
▶ StringToIntegerValueConverter.cs
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using System; using System.Windows.Data; using System.Globalization; namespace TestProject { /// <summary> /// 문자↔정수 값 변환자 /// </summary> public class StringToIntegerValueConverter : IValueConverter { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 변환하기 - Convert(value, targetType, parameter, cultureInfo) /// <summary> /// 변환하기 /// </summary> /// <param name="value">값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">CultureInfo 객체</param> /// <returns>변환 값</returns> public object Convert(object value, Type targetType, object parameter, CultureInfo cultureInfo) { return (int)value; } #endregion #region 역변환하기 - ConvertBack(value, targetType, parameter, cultureInfo) /// <summary> /// 역변환하기 /// </summary> /// <param name="value">값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">CultureInfo 객체</param> /// <returns>역변환 값</returns> public object ConvertBack(object value, Type targetType, object parameter, CultureInfo cultureInfo) { return value.ToString(); } #endregion } } |
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core" xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid" xmlns:dxmvvm="http://schemas.devexpress.com/winfx/2008/xaml/mvvm" xmlns:local="clr-namespace:TestProject" Width="800" Height="600" Title="LookUpEdit 클래스 : 신규 값 처리하기" FontFamily="나눔고딕코딩" FontSize="16"> <Window.DataContext> <local:ProductListViewModel /> </Window.DataContext> <Grid> <dxg:LookUpEdit x:Name="lookUpEdit" ItemsSource="{Binding Path=ProductCollection}" Width="200" Height="25" ValueMember="ID" DisplayMember="ProductName" AddNewButtonPlacement="EditBox" AutoComplete="True" IncrementalFiltering="True" ImmediatePopup="True" AutoPopulateColumns="True" IsPopupAutoWidth="False"> <dxmvvm:Interaction.Triggers> <dxmvvm:EventToCommand PassEventArgsToCommand="True" Command="{Binding ShowProductFormCommand}" EventName="ProcessNewValue" SourceName="lookUpEdit"> <dxmvvm:EventToCommand.EventArgsConverter> <local:ProductNameEventArgsConverter /> </dxmvvm:EventToCommand.EventArgsConverter> </dxmvvm:EventToCommand> </dxmvvm:Interaction.Triggers> </dxg:LookUpEdit> </Grid> <dxmvvm:Interaction.Behaviors> <dx:DialogService DialogWindowStartupLocation="CenterOwner"> <dx:DialogService.ViewTemplate> <DataTemplate> <local:ProductControl /> </DataTemplate> </dx:DialogService.ViewTemplate> <dx:DialogService.DialogStyle> <Style TargetType="dx:DXDialogWindow"> <Setter Property="Width" Value="340" /> <Setter Property="Height" Value="340" /> </Style> </dx:DialogService.DialogStyle> </dx:DialogService> </dxmvvm:Interaction.Behaviors> </Window> |
▶ MainWindow.xaml.cs
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using System.Windows; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); } #endregion } } |
