■ ItemsRepeater 엘리먼트의 ItemTemplate/Layout 속성을 사용하는 방법을 보여준다. (StackLayout, UniformGridLayout 객체 사용)
▶ Bar.cs
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namespace TestProject { /// <summary> /// 바 /// </summary> public class Bar { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 너비 - Width /// <summary> /// 너비 /// </summary> public double Width { get; set; } #endregion #region 최대 너비 - MaximumWidth /// <summary> /// 최대 너비 /// </summary> public int MaximumWidth { get; set; } #endregion #region 높이 - Height /// <summary> /// 높이 /// </summary> public double Height { get; set; } #endregion #region 최대 높이 - MaximumHeight /// <summary> /// 최대 높이 /// </summary> public double MaximumHeight { get; set; } #endregion #region 반경 - Diameter /// <summary> /// 반경 /// </summary> public double Diameter { get; set; } #endregion #region 최대 반경 - MaximumDiameter /// <summary> /// 최대 반경 /// </summary> public double MaximumDiameter { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - Bar(length, maximumLength) /// <summary> /// 생성자 /// </summary> /// <param name="length">길이</param> /// <param name="maximumLength">최대 길이</param> public Bar(double length, int maximumLength) { Width = length; MaximumWidth = maximumLength; Height = length / 4; MaximumHeight = maximumLength / 4; Diameter = length / 6; MaximumDiameter = maximumLength / 6; } #endregion } } |
▶ MainWindow.xaml
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<?xml version="1.0" encoding="utf-8"?> <Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:TestProject" Title="TestProject"> <Grid Name="grid" Margin="10"> <Grid.Resources> <DataTemplate x:Key="HorizontalBarDataTemplateKey" x:DataType="local:Bar"> <Border Width="{x:Bind MaximumWidth}" Background="{ThemeResource SystemChromeLowColor}"> <Rectangle HorizontalAlignment="Left" Width="{x:Bind Width}" Height="24" Fill="{ThemeResource SystemAccentColor}" /> </Border> </DataTemplate> <DataTemplate x:Key="VerticalBarDataTemplateKey" x:DataType="local:Bar"> <Border Height="{x:Bind MaximumHeight}" Background="{ThemeResource SystemChromeLowColor}"> <Rectangle VerticalAlignment="Top" Width="48" Height="{x:Bind Height}" Fill="{ThemeResource SystemAccentColor}" /> </Border> </DataTemplate> <DataTemplate x:Key="CircularDataTemplateKey" x:DataType="local:Bar"> <Grid> <Ellipse HorizontalAlignment="Center" VerticalAlignment="Center" Width="{x:Bind MaximumDiameter}" Height="{x:Bind MaximumDiameter}" Fill="{ThemeResource SystemChromeLowColor}" /> <Ellipse HorizontalAlignment="Center" VerticalAlignment="Center" Width="{x:Bind Diameter}" Height="{x:Bind Diameter}" Fill="{ThemeResource SystemAccentColor}" /> </Grid> </DataTemplate> <StackLayout x:Name="horizontalStackLayout" Orientation="Horizontal" Spacing="10" /> <StackLayout x:Name="verticalStackLayout" Orientation="Vertical" Spacing="10" /> <UniformGridLayout x:Name="uniformGridLayout" MinRowSpacing="10" MinColumnSpacing="10" /> </Grid.Resources> <Grid.ColumnDefinitions> <ColumnDefinition Width="*" /> <ColumnDefinition Width="10" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <Border Grid.Column="0" BorderThickness="1" BorderBrush="Black"> <ScrollViewer Margin="10" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto" HorizontalScrollMode="Auto" IsVerticalScrollChainingEnabled="False"> <ItemsRepeater Name="repeater" ItemTemplate="{StaticResource HorizontalBarDataTemplateKey}" Layout="{StaticResource verticalStackLayout}" ItemsSource="{x:Bind BarCollection}" /> </ScrollViewer> </Border> <StackPanel Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Center" Spacing="10"> <Button Name="addItemButton" Padding="5" Content="Add Item" /> <Button Name="removeItemButton" Padding="5" Content="Remove Item" /> <RadioButtons Name="layoutRadioButtons" Header="Layout"> <RadioButton Tag="verticalStackLayout" IsChecked="True" Content="StackLayout - Vertical" /> <RadioButton Tag="horizontalStackLayout" Content="StackLayout - Horizontal" /> <RadioButton Tag="uniformGridLayout" Content="UniformGridLayout" /> </RadioButtons> </StackPanel> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Collections.ObjectModel; using Microsoft.UI.Xaml; using Microsoft.UI.Xaml.Controls; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public sealed partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 바 컬렉션 /// </summary> public ObservableCollection<Bar> BarCollection; /// <summary> /// 최대 길이 /// </summary> public int MaximumLength = 425; #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 난수기 /// </summary> private Random random = new Random(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); BarCollection = new ObservableCollection<Bar>(); BarCollection.Add(new Bar(300, MaximumLength)); BarCollection.Add(new Bar(25 , MaximumLength)); BarCollection.Add(new Bar(175, MaximumLength)); this.addItemButton.Click += addItemButton_Click; this.removeItemButton.Click += removeItemButton_Click; this.layoutRadioButtons.SelectionChanged += layoutRadioButtons_SelectionChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region Add Item 버튼 클릭시 처리하기 - addItemButton_Click(sender, e) /// <summary> /// Add Item 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void addItemButton_Click(object sender, RoutedEventArgs e) { BarCollection.Add(new Bar(this.random.Next(MaximumLength), MaximumLength)); this.removeItemButton.IsEnabled = true; } #endregion #region Remove Item 버튼 클릭시 처리하기 - removeItemButton_Click(sender, e) /// <summary> /// Remove Item 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void removeItemButton_Click(object sender, RoutedEventArgs e) { if(BarCollection.Count > 0) { BarCollection.RemoveAt(0); if(BarCollection.Count == 0) { this.removeItemButton.IsEnabled = false; } } } #endregion #region 레이아웃 버튼 리스트 선택 변경시 처리하기 - layoutRadioButtons_SelectionChanged(sender, e) /// <summary> /// 레이아웃 버튼 리스트 선택 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void layoutRadioButtons_SelectionChanged(object sender, SelectionChangedEventArgs e) { string itemTemplateKey = string.Empty; object itemSelected = (sender as RadioButtons).SelectedItem; if(itemSelected == null) { return; } string layoutKey = ((FrameworkElement)itemSelected).Tag as string; if(layoutKey.Equals(nameof(this.verticalStackLayout))) { itemTemplateKey = "HorizontalBarDataTemplateKey"; this.repeater.MaxWidth = MaximumLength + 12; } else if(layoutKey.Equals(nameof(this.horizontalStackLayout))) { itemTemplateKey = "VerticalBarDataTemplateKey"; this.repeater.MaxWidth = 6000; } else if(layoutKey.Equals(nameof(this.uniformGridLayout))) { itemTemplateKey = "CircularDataTemplateKey"; this.repeater.MaxWidth = 540; } this.repeater.Layout = this.grid.Resources[layoutKey] as VirtualizingLayout; this.repeater.ItemTemplate = this.grid.Resources[itemTemplateKey] as DataTemplate; this.repeater.ItemsSource = BarCollection; } #endregion } } |
