[C#/UWP] ItemsRepeater 엘리먼트 사용하기

TestProject.zip

0.02MB

▶ Bar.cs

namespace TestProject
{
    /// <summary>
    /// 막대
    /// </summary>
    public class Bar
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 길이 - Length

        /// <summary>
        /// 길이
        /// </summary>
        public double Length { get; set; }

        #endregion
        #region 최대 길이 - MaximumLength

        /// <summary>
        /// 최대 길이
        /// </summary>
        public int MaximumLength { 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)
        {
            Length          = length;
            MaximumLength   = maximumLength;
            Height          = length / 4;
            MaximumHeight   = maximumLength / 4;
            Diameter        = length / 6;
            MaximumDiameter = maximumLength / 6;
        }

        #endregion
    }
}

 

728x90

 

▶ MainPage.xaml

<Page x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:muxc="using:Microsoft.UI.Xaml.Controls"
    xmlns:local="using:TestProject"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Page.Resources>
        <DataTemplate x:Key="HorizontalBarDataTemplateKey" x:DataType="local:Bar">
            <Border
                Width="{x:Bind MaximumLength}"
                Background="{ThemeResource SystemChromeLowColor}">
                <Rectangle
                    HorizontalAlignment="Left"
                    Width="{x:Bind Length}"
                    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>
        <muxc:StackLayout x:Name="VerticalStackLayoutKey"
            Orientation="Vertical"
            Spacing="10" />
        <muxc:StackLayout x:Name="HorizontalStackLayoutKey"
            Orientation="Horizontal"
            Spacing="10" />
        <muxc:UniformGridLayout x:Name="UniformGridLayoutKey"
            MinRowSpacing="10"
            MinColumnSpacing="10" />
    </Page.Resources>
    <Grid>
        <Grid
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="50"   />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <ScrollViewer Grid.Column="0"
                Width="500"
                Height="400"
                HorizontalScrollBarVisibility="Auto"
                VerticalScrollBarVisibility="Auto" 
                HorizontalScrollMode="Auto" 
                IsVerticalScrollChainingEnabled="False">
                <muxc:ItemsRepeater Name="itemsRepeater"
                    HorizontalAlignment="Left"
                    VerticalAlignment="Top"
                    Layout="{StaticResource VerticalStackLayoutKey}"
                    ItemTemplate="{StaticResource HorizontalBarDataTemplateKey}"
                    ItemsSource="{x:Bind barCollection}" />
            </ScrollViewer>
            <StackPanel Grid.Column="2"
                Spacing="10">
                <Button Name="addButton"
                    MinWidth="150"
                    Content="항목 추가"
                    Click="addButton_Click" />
                <Button Name="deleteButton"
                    MinWidth="150"
                    Content="항목 삭제"
                    Click="deleteButton_Click" />
                <muxc:RadioButtons Header="레이아웃">
                    <RadioButton
                        Content="StackLayout - 수직"
                        IsChecked="True"
                        Tag="VerticalStackLayoutKey"
                        Click="layoutRadioButton_Click" />
                    <RadioButton
                        Content="StackLayout - 수평"
                        Tag="HorizontalStackLayoutKey"
                        Click="layoutRadioButton_Click" />
                    <RadioButton
                        Content="UniformGridLayout"
                        Tag="UniformGridLayoutKey"
                        Click="layoutRadioButton_Click" />
                </muxc:RadioButtons>
            </StackPanel>
        </Grid>
    </Grid>
</Page>

 

300x250

 

▶ MainPage.xaml.cs

using Microsoft.UI.Xaml.Controls;
using System;
using System.Collections.ObjectModel;
using Windows.Foundation;
using Windows.Graphics.Display;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 메인 페이지
    /// </summary>
    public sealed partial class MainPage : Page
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 난수기
        /// </summary>
        private Random random = new Random();

        /// <summary>
        /// 최대 길이
        /// </summary>
        private int maximumLength = 480;

        /// <summary>
        /// 막대 컬렉션
        /// </summary>
        private ObservableCollection<Bar> barCollection;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainPage()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainPage()
        {
            InitializeComponent();

            #region 윈도우 크기를 설정한다.

            double width  = 800d;
            double height = 600d;

            double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi;

            ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;

            Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi);

            ApplicationView.PreferredLaunchViewSize = windowSize;

            Window.Current.Activate();

            ApplicationView.GetForCurrentView().TryResizeView(windowSize);

            #endregion
            #region 윈도우 제목을 설정한다.

            ApplicationView.GetForCurrentView().Title = "ItemsRepeater 엘리먼트 사용하기";

            #endregion

            this.barCollection = new ObservableCollection<Bar>();

            this.barCollection.Add(new Bar(300, this.maximumLength));
            this.barCollection.Add(new Bar(25 , this.maximumLength));
            this.barCollection.Add(new Bar(175, this.maximumLength));
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 항목 추가 버튼 클릭시 처리하기 - addButton_Click(sender, e)

        /// <summary>
        /// 항목 추가 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void addButton_Click(object sender, RoutedEventArgs e)
        {
            this.barCollection.Add(new Bar(this.random.Next(this.maximumLength), this.maximumLength));

            this.deleteButton.IsEnabled = true;
        }

        #endregion
        #region 항목 삭제 버튼 클릭시 처리하기 - deleteButton_Click(sender, e)

        /// <summary>
        /// 항목 삭제 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void deleteButton_Click(object sender, RoutedEventArgs e)
        {
            if(this.barCollection.Count > 0)
            {
                this.barCollection.RemoveAt(0);

                if(this.barCollection.Count == 0)
                {
                    this.deleteButton.IsEnabled = false;
                }
            }
        }

        #endregion
        #region 레이아웃 라디오 버튼 클릭시 처리하기 - layoutRadioButton_Click(sender, e)

        /// <summary>
        /// 레이아웃 라디오 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void layoutRadioButton_Click(object sender, RoutedEventArgs e)
        {
            string itemTemplateKey = string.Empty;

            string layoutKey = ((FrameworkElement)sender).Tag as string;

            if(layoutKey.Equals(nameof(VerticalStackLayoutKey)))
            {
                itemTemplateKey = "HorizontalBarDataTemplateKey";

                this.itemsRepeater.HorizontalAlignment = HorizontalAlignment.Left;
                this.itemsRepeater.VerticalAlignment   = VerticalAlignment.Top;

                this.itemsRepeater.MaxWidth = this.maximumLength;
            }
            else if(layoutKey.Equals(nameof(HorizontalStackLayoutKey)))
            {
                itemTemplateKey = "VerticalBarDataTemplateKey";

                this.itemsRepeater.HorizontalAlignment = HorizontalAlignment.Left;
                this.itemsRepeater.VerticalAlignment   = VerticalAlignment.Center;

                this.itemsRepeater.MaxWidth = 6000;
            }
            else if(layoutKey.Equals(nameof(UniformGridLayoutKey)))
            {
                itemTemplateKey = "CircularDataTemplateKey";

                this.itemsRepeater.HorizontalAlignment = HorizontalAlignment.Left;
                this.itemsRepeater.VerticalAlignment   = VerticalAlignment.Top;

                this.itemsRepeater.MaxWidth = this.maximumLength;
            }

            this.itemsRepeater.Layout       = Resources[layoutKey      ] as VirtualizingLayout;
            this.itemsRepeater.ItemTemplate = Resources[itemTemplateKey] as DataTemplate;
            this.itemsRepeater.ItemsSource  = this.barCollection;
        }

        #endregion
    }
}