■ DatePicker 컨트롤을 만드는 방법을 보여준다.
▶ DatePicker.xaml
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<UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:g="clr-namespace:System.Globalization;assembly=mscorlib" x:Class="TestProject.DatePicker"> <UserControl.Resources> <Style TargetType="{x:Type RepeatButton}"> <Setter Property="Width" Value="{Binding RelativeSource={RelativeSource self}, Path=ActualHeight}" /> <Setter Property="Focusable" Value="False" /> <Style.Triggers> <DataTrigger Binding="{Binding ElementName=nullCheckBox, Path=IsChecked}" Value="True"> <Setter Property="IsEnabled" Value="False" /> </DataTrigger> </Style.Triggers> </Style> <Style TargetType="{x:Type StatusBarItem}"> <Setter Property="Margin" Value="1" /> <Setter Property="HorizontalAlignment" Value="Center" /> <Setter Property="VerticalAlignment" Value="Center" /> </Style> <Style TargetType="{x:Type ListBoxItem}"> <Setter Property="BorderThickness" Value="1" /> <Setter Property="BorderBrush" Value="Transparent" /> <Setter Property="Margin" Value="1" /> <Setter Property="HorizontalContentAlignment" Value="Center" /> <Style.Triggers> <MultiTrigger> <MultiTrigger.Conditions> <Condition Property="IsSelected" Value="True" /> <Condition Property="Selector.IsSelectionActive" Value="False" /> </MultiTrigger.Conditions> <Setter Property="BorderBrush" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" /> </MultiTrigger> <DataTrigger Binding="{Binding ElementName=nullCheckBox, Path=IsChecked}" Value="True"> <Setter Property="IsEnabled" Value="False" /> </DataTrigger> </Style.Triggers> </Style> </UserControl.Resources> <Border BorderThickness="1" BorderBrush="{DynamicResource {x:Static SystemColors.WindowTextBrushKey}}"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Grid Background="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}" TextBlock.Foreground="{DynamicResource {x:Static SystemColors.ControlLightLightBrushKey}}"> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <RepeatButton Grid.Column="0" FontWeight="Bold" Content="<" Click="previousRepeatButton_Click" /> <TextBlock Name="monthYearTextBlock" Grid.Column="1" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="3" /> <RepeatButton Grid.Column="2" FontWeight="Bold" Content=">" Click="nextRepeatButton_Click" /> </Grid> <StatusBar Grid.Row="1" ItemsSource="{Binding Source={x:Static g:DateTimeFormatInfo.CurrentInfo}, Path=AbbreviatedDayNames}"> <StatusBar.ItemsPanel> <ItemsPanelTemplate> <UniformGrid Rows="1" /> </ItemsPanelTemplate> </StatusBar.ItemsPanel> </StatusBar> <Border Grid.Row="2" BorderThickness="0 1 0 1" BorderBrush="{DynamicResource {x:Static SystemColors.WindowTextBrushKey}}"> <ListBox Name="monthListBox" SelectionChanged="monthListBox_SelectionChanged"> <ListBox.ItemsPanel> <ItemsPanelTemplate> <UniformGrid Name="monthUniformGrid" Background="{DynamicResource {x:Static SystemColors.ControlLightBrushKey}}" Columns="7" Rows="6" IsItemsHost="True" /> </ItemsPanelTemplate> </ListBox.ItemsPanel> <ListBoxItem>더미 항목</ListBoxItem> </ListBox> </Border> <CheckBox Name="nullCheckBox" Grid.Row="3" Margin="3" HorizontalAlignment="Center" VerticalAlignment="Center" Checked="nullCheckBox_Checked" Unchecked="nullCheckBox_Unchecked"> 미적용 </CheckBox> </Grid> </Border> </UserControl> |
▶ DatePicker.xaml.cs
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using System; using System.Globalization; using System.Windows; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Input; using System.Windows.Media; namespace TestProject { /// <summary> /// 일자 선택기 /// </summary> public partial class DatePicker { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 일자 변경시 - DateChanged /// <summary> /// 일자 변경시 /// </summary> public event RoutedPropertyChangedEventHandler<DateTime?> DateChanged { add { AddHandler(DateChangedEvent, value); } remove { RemoveHandler(DateChangedEvent, value); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 일자 속성 /// </summary> public static readonly DependencyProperty DateProperty = DependencyProperty.Register ( "Date", typeof(DateTime?), typeof(DatePicker), new PropertyMetadata ( new DateTime(), DatePropertyChangedCallback ) ); /// <summary> /// 일자 변경 이벤트 /// </summary> public static readonly RoutedEvent DateChangedEvent = EventManager.RegisterRoutedEvent ( "DateChanged", RoutingStrategy.Bubble, typeof(RoutedPropertyChangedEventHandler<DateTime?>), typeof(DatePicker) ); #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 월 유니폼 그리드 /// </summary> private UniformGrid monthUniformGrid; /// <summary> /// 저장 일시 /// </summary> private DateTime dateTimeSaved = DateTime.Now.Date; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 일자 - Date /// <summary> /// 일자 /// </summary> public DateTime? Date { set { SetValue(DateProperty, value); } get { return (DateTime?)GetValue(DateProperty); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - DatePicker() /// <summary> /// 생성자 /// </summary> public DatePicker() { InitializeComponent(); Date = dateTimeSaved; Loaded += userControl_Loaded; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private ////////////////////////////////////////////////////////////////////// Event #region 일자 속성 변경 콜백 처리하기 - DatePropertyChangedCallback(dependencyObject, e) /// <summary> /// 일자 속성 변경 콜백 처리하기 /// </summary> /// <param name="dependencyObject">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void DatePropertyChangedCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e) { (dependencyObject as DatePicker).OnDateChanged((DateTime?)e.OldValue, (DateTime?)e.NewValue); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Protected #region 미리보기 키 DOWN 처리하기 - OnPreviewKeyDown(e) /// <summary> /// 미리보기 키 DOWN 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPreviewKeyDown(KeyEventArgs e) { base.OnKeyDown(e); if(e.Key == Key.PageDown) { FlipPage(true); e.Handled = true; } else if(e.Key == Key.PageUp) { FlipPage(false); e.Handled = false; } } #endregion #region 일자 변경시 처리하기 - OnDateChanged(beforeDateTime, afterDateTime) /// <summary> /// 일자 변경시 처리하기 /// </summary> /// <param name="beforeDateTime">변경전 일시</param> /// <param name="afterDateTime">변경후 일시</param> protected virtual void OnDateChanged(DateTime? beforeDateTime, DateTime? afterDateTime) { this.nullCheckBox.IsChecked = (afterDateTime == null); if(afterDateTime != null) { DateTime newDateTime = (DateTime)afterDateTime; this.monthYearTextBlock.Text = newDateTime.ToString(DateTimeFormatInfo.CurrentInfo.YearMonthPattern); if(this.monthUniformGrid != null) { this.monthUniformGrid.FirstColumn = (int)(new DateTime(newDateTime.Year, newDateTime.Month, 1).DayOfWeek); } int dayCountInMonth = DateTime.DaysInMonth(newDateTime.Year, newDateTime.Month); if(dayCountInMonth != this.monthListBox.Items.Count) { this.monthListBox.BeginInit(); this.monthListBox.Items.Clear(); for(int i = 0; i < dayCountInMonth; i++) { this.monthListBox.Items.Add((i + 1).ToString()); } this.monthListBox.EndInit(); } this.monthListBox.SelectedIndex = newDateTime.Day - 1; } RoutedPropertyChangedEventArgs<DateTime?> e = new RoutedPropertyChangedEventArgs<DateTime?> ( beforeDateTime, afterDateTime, DatePicker.DateChangedEvent ); e.Source = this; RaiseEvent(e); } #endregion //////////////////////////////////////////////////////////////////////////////// Private ////////////////////////////////////////////////////////////////////// Event #region 사용자 컨트롤 로드시 처리하기 - userControl_Loaded(sender, e) /// <summary> /// 사용자 컨트롤 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void userControl_Loaded(object sender, RoutedEventArgs e) { this.monthUniformGrid = FindElement<UniformGrid>(this.monthListBox); if(Date != null) { DateTime dateTime = (DateTime)Date; this.monthUniformGrid.FirstColumn = (int)(new DateTime(dateTime.Year, dateTime.Month, 1).DayOfWeek); } } #endregion #region 이전 리피트 버튼 클릭시 처리하기 - previousRepeatButton_Click(sender, e) /// <summary> /// 이전 리피트 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void previousRepeatButton_Click(object sender, RoutedEventArgs e) { FlipPage(true); } #endregion #region 다음 리피트 버튼 클릭시 처리하기 - nextRepeatButton_Click(sender, e) /// <summary> /// 다음 리피트 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void nextRepeatButton_Click(object sender, RoutedEventArgs e) { FlipPage(false); } #endregion #region 월 리스트 박스 선택 변경시 처리하기 - monthListBox_SelectionChanged(sender, e) /// <summary> /// 월 리스트 박스 선택 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void monthListBox_SelectionChanged(object sender, SelectionChangedEventArgs e) { if(Date == null) { return; } DateTime dateTime = (DateTime)Date; if(this.monthListBox.SelectedIndex != -1) { Date = new DateTime(dateTime.Year, dateTime.Month, int.Parse(this.monthListBox.SelectedItem as string)); } } #endregion #region NULL 체크 박스 체크시 처리하기 - nullCheckBox_Checked(sender, e) /// <summary> /// NULL 체크 박스 체크시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void nullCheckBox_Checked(object sender, RoutedEventArgs e) { if(Date != null) { dateTimeSaved = (DateTime)Date; Date = null; } } #endregion #region NULL 체크 박스 체크 해제시 처리하기 - nullCheckBox_Unchecked(sender, e) /// <summary> /// NULL 체크 박스 체크 해제시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void nullCheckBox_Unchecked(object sender, RoutedEventArgs e) { Date = dateTimeSaved; } #endregion ////////////////////////////////////////////////////////////////////// Function #region 엘리먼트 찾기 - FindElement<T>(sourceDependencyObject) /// <summary> /// 엘리먼트 찾기 /// </summary> /// <typeparam name="TElement">엘리먼트 타입</typeparam> /// <param name="sourceDependencyObject">소스 의존 객체</param> /// <returns>엘리먼트</returns> private TElement FindElement<TElement>(DependencyObject sourceDependencyObject) where TElement : class { if(sourceDependencyObject is TElement) { return sourceDependencyObject as TElement; } for(int i = 0; i < VisualTreeHelper.GetChildrenCount(sourceDependencyObject); i++) { Visual visual = FindElement<TElement>(VisualTreeHelper.GetChild(sourceDependencyObject, i)) as Visual; if(visual != null) { return visual as TElement; } } return null; } #endregion #region 페이지 넘기기 - FlipPage(isPrevious) /// <summary> /// 페이지 넘기기 /// </summary> /// <param name="isPrevious">이전 여부</param> private void FlipPage(bool isPrevious) { if(Date == null) { return; } DateTime dateTime = (DateTime)Date; int pageCount = isPrevious ? -1 : 1; if(Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift)) { pageCount *= 12; } if(Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl)) { pageCount = Math.Max(-1200, Math.Min(1200, 120 * pageCount)); } int year = dateTime.Year + pageCount / 12; int month = dateTime.Month + pageCount % 12; while(month < 1) { month += 12; year -= 1; } while(month > 12) { month -= 12; year += 1; } if(year < DateTime.MinValue.Year) { Date = DateTime.MinValue.Date; } else if(year > DateTime.MaxValue.Year) { Date = DateTime.MaxValue.Date; } else { Date = new DateTime(year, month, Math.Min(dateTime.Day, DateTime.DaysInMonth(year, month))); } } #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:src="clr-namespace:TestProject" SizeToContent="WidthAndHeight" ResizeMode="CanMinimize" Title="일자 선택기 테스트"> <StackPanel> <src:DatePicker x:Name="datePicker" Margin="12" HorizontalAlignment="Center" DateChanged="datePicker_DateChanged" /> <StackPanel Margin="12" Orientation="Horizontal"> <TextBlock Text="바인딩 값 : " /> <TextBlock Text="{Binding ElementName=datePicker, Path=Date}" /> </StackPanel> <StackPanel Margin="12" Orientation="Horizontal"> <TextBlock Text="이벤트 핸들러 값 : " /> <TextBlock Name="dateTextBlock" /> </StackPanel> </StackPanel> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Windows.Media; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// private #region 일자 선택기 일자 변경시 처리하기 - datePicker_DateChanged(sender, e) /// <summary> /// 일자 선택기 일자 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void datePicker_DateChanged(object sender, RoutedPropertyChangedEventArgs<DateTime?> e) { if(e.NewValue != null) { DateTime dateTime = (DateTime)e.NewValue; this.dateTextBlock.Text = dateTime.ToString("d"); } else { this.dateTextBlock.Text = string.Empty; } } #endregion } } |