578 lines
21 KiB
C#
578 lines
21 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using CPF.Drawing;
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using CPF.Shapes;
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namespace CPF.Controls
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{
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/// <summary>
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/// 代表一个控件，此控件允许用户使用可视的日历显示来选择日期
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/// </summary>
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[Description("代表一个控件，此控件允许用户使用可视的日历显示来选择日期")]
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public class Calendar : Control
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{
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public Calendar()
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{
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var sd = SelectedDate;
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if (sd != null)
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{
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DisplayDate = sd.Value;
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}
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else
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{
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DisplayDate = DateTime.Now;
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}
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}
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/// <summary>
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/// 选中的日期
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/// </summary>
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public DateTime? SelectedDate
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{
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get { return (DateTime?)GetValue(); }
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set { SetValue(value); }
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}
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/// <summary>
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/// 获取或设置要显示的日期。
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/// </summary>
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public DateTime DisplayDate
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{
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get { return (DateTime)GetValue(); }
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set { SetValue(value); }
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}
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/// <summary>
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/// 当前显示模式
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/// </summary>
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public CalendarMode DisplayMode
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{
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get { return (CalendarMode)GetValue(); }
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set { SetValue(value); }
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}
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/// <summary>
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/// 获取或设置被视为一周开始的日期。
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/// </summary>
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public DayOfWeek FirstDayOfWeek
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{
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get { return (DayOfWeek)GetValue(); }
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set { SetValue(value); }
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}
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protected override object OnGetDefaultValue(PropertyMetadataAttribute pm)
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{
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if (pm.PropertyName == nameof(FirstDayOfWeek))
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{
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return CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek;
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}
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return base.OnGetDefaultValue(pm);
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}
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Grid Month;
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Grid Year;
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protected override void OnInitialized()
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{
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base.OnInitialized();
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Month = FindPresenterByName<Grid>("MonthView");
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Year = FindPresenterByName<Grid>("YearView");
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var date = DisplayDate.Date;
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CultureInfo cultureInfo = CultureInfo.CurrentCulture;
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if (Month != null)
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{
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//Month.LineStroke = "1";
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Month.Children.Add(new Panel
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{
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Name = "Header",
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Background = "233,238,243",
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Size = SizeField.Fill,
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Children =
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{
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new Panel
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{
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MarginLeft=0,
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Children =
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{
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new Polygon
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{
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MarginLeft=10,
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Points =
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{
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new Point(0,5),
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new Point(6,0),
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new Point(6,10),
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},
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StrokeFill=null,
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Fill="#000",
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IsAntiAlias=true,
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}
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},
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Triggers =
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{
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{nameof(IsMouseOver),Relation.Me.Children(),null,(nameof(Shape.Fill),"115,169,216") }
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},
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Commands =
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{
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{nameof(MouseDown),preMonth }
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}
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},
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new Panel
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{
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MarginRight=0,
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Children =
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{
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new Polygon
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{
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MarginRight=10,
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Points =
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{
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new Point(),
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new Point(6,5),
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new Point(0,10),
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},
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StrokeFill=null,
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Fill="#000",
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IsAntiAlias=true,
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}
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},
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Triggers =
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{
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{nameof(IsMouseOver),Relation.Me.Children(),null,(nameof(Shape.Fill),"115,169,216") }
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},
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Commands =
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{
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{nameof(MouseDown),nextMonth }
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}
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},
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new TextBlock
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{
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Triggers =
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{
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{nameof(IsMouseOver),Relation.Me,null,(nameof(TextBlock.Foreground),"115,169,216") }
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},
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Bindings =
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{
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{nameof(TextBlock.Text),nameof(DisplayDate),this,BindingMode.OneWay,(DateTime a)=>a.ToString("yyyy-MM") }
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},
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Commands =
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{
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{nameof(MouseDown),(s,e)=>DisplayMode= CalendarMode.Year }
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}
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}
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},
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Attacheds =
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{
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{Grid.ColumnSpan,7 }
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}
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});
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var first = (int)FirstDayOfWeek;
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for (int i = 0; i < 7; i++)
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{
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Month.Children.Add(new TextBlock
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{
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Text = cultureInfo.DateTimeFormat.ShortestDayNames[first],
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DataContext = first,
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Attacheds =
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{
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{Grid.ColumnIndex,i },
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{Grid.RowIndex,1 }
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}
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});
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first++;
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if (first > 7 - 1)
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{
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first = 0;
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}
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}
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int day = date.Day;
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DateTime one = date.AddDays(-day + 1);//这个月的第一天
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DateTime start = one.AddDays(first - (int)one.DayOfWeek);
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for (int i = 0; i < 42; i++)
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{
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DateTime d = start.AddDays(i);
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Month.Children.Add(new CalendarDayButton
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{
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Width = "100%",
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Content = d.Day,
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DataContext = d,
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Attacheds =
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{
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{Grid.ColumnIndex,i%7 },
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{Grid.RowIndex,i/7+2 }
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},
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Bindings =
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{
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{nameof(CalendarDayButton.IsSelected),nameof(SelectedDate),this,BindingMode.OneWay,(DateTime? a)=>a.HasValue&&a.Value.Date==(DateTime)Binding.Current.Owner.DataContext },
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{nameof(CalendarDayButton.IsBlackedOut),nameof(DisplayDate),this,BindingMode.OneWay,(DateTime a)=>a.Month!=((DateTime)Binding.Current.Owner.DataContext).Month }
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},
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Commands =
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{
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{nameof(Button.Click),click }
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}
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});
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}
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}
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if (Year != null)
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{
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Year.Children.Add(new Panel
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{
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Name = "header",
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Background = "233,238,243",
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Size = SizeField.Fill,
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Children =
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{
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new Panel
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{
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MarginLeft=0,
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Children =
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{
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new Polygon
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{
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MarginLeft=10,
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Points =
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{
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new Point(0,5),
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new Point(6,0),
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new Point(6,10),
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},
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StrokeFill=null,
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Fill="#000",
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IsAntiAlias=true,
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}
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},
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Triggers =
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{
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{nameof(IsMouseOver),Relation.Me.Children(),null,(nameof(Shape.Fill),"115,169,216") }
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},
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Commands =
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{
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{nameof(MouseDown),preYear }
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}
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},
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new Panel
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{
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MarginRight=0,
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Children =
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{
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new Polygon
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{
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MarginRight=10,
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Points =
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{
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new Point(),
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new Point(6,5),
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new Point(0,10),
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},
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StrokeFill=null,
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Fill="#000",
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IsAntiAlias=true,
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}
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},
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Triggers =
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{
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{nameof(IsMouseOver),Relation.Me.Children(),null,(nameof(Shape.Fill),"115,169,216") }
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},
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Commands =
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{
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{nameof(MouseDown),nextYear }
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}
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},
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new TextBlock
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{
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Bindings =
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{
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{nameof(TextBlock.Text),nameof(DisplayDate),this,BindingMode.OneWay,(DateTime a)=>a.ToString("yyyy") }
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}
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}
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},
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Attacheds =
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{
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{Grid.ColumnSpan,7 }
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}
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});
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for (int i = 0; i < 12; i++)
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{
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Year.Children.Add(new CalendarButton
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{
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Size = SizeField.Fill,
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Content = cultureInfo.DateTimeFormat.AbbreviatedMonthNames[i],
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DataContext = new DateTime(date.Year, i + 1, 1),
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Attacheds =
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{
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{Grid.ColumnIndex,i%4 },
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{Grid.RowIndex,i/4+1 }
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},
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Bindings =
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{
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{nameof(CalendarButton.IsSelected),nameof(SelectedDate),this,BindingMode.OneWay,(DateTime? a)=>a.HasValue&&a.Value.Month==((DateTime)Binding.Current.Owner.DataContext).Month },
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},
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Commands =
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{
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{nameof(Button.Click),(s,e)=>{DisplayMode= CalendarMode.Month;SelectedDate=((DateTime)s.DataContext); } }
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}
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});
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}
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}
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}
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void preYear(CpfObject s, object e)
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{
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DisplayDate = DisplayDate.AddYears(-1);
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var i = 1;
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foreach (CalendarButton item in Year.Children.Where(a => a is CalendarButton))
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{
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item.DataContext = new DateTime(DisplayDate.Year, i, 1);
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i++;
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}
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}
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void nextYear(CpfObject s, object e)
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{
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DisplayDate = DisplayDate.AddYears(1);
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var i = 1;
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foreach (CalendarButton item in Year.Children.Where(a => a is CalendarButton))
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{
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item.DataContext = new DateTime(DisplayDate.Year, i, 1);
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i++;
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}
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}
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void preMonth(CpfObject s, object e)
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{
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DisplayDate = DisplayDate.AddMonths(-1);
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}
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void nextMonth(CpfObject s, object e)
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{
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DisplayDate = DisplayDate.AddMonths(1);
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}
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void click(CpfObject s, object e)
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{
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//var button = s as CalendarDayButton;
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SelectedDate = (DateTime)s.DataContext;
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}
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[PropertyChanged(nameof(DisplayDate))]
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void OnDisplayDate(object newValue, object oldValue, PropertyMetadataAttribute attribute)
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{
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if (!IsInitialized)
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{
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return;
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}
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//switch (DisplayMode)
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//{
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// case CalendarMode.Month:
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if (Month)
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{
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var date = ((DateTime)newValue).Date;
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var i = 0;
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int day = date.Day;
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DateTime one = date.AddDays(-day + 1);//这个月的第一天
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var first = (int)FirstDayOfWeek;
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DateTime start = one.AddDays(first - (int)one.DayOfWeek);
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var select = SelectedDate;
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foreach (CalendarDayButton item in Month.Children.Where(a => a is CalendarDayButton))
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{
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DateTime d = start.AddDays(i);
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item.Content = d.Day;
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item.DataContext = d;
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item.IsSelected = select.HasValue && select.Value.Date == d;
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i++;
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}
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}
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// break;
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// case CalendarMode.Year:
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// break;
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// default:
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// break;
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//}
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}
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[PropertyChanged(nameof(SelectedDate))]
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void OnSelectDate(object newValue, object oldValue, PropertyMetadataAttribute attribute)
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{
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var date = (DateTime?)newValue;
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DisplayDate = date.HasValue ? date.Value.Date : DateTime.Now;
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}
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public void ClearDate(CpfObject obj, EventArgs args)
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{
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SelectedDate = null;
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}
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public void CloseUp(CpfObject obj, EventArgs args)
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{
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if (Root != null)
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(Root as Popup)?.Hide();
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}
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protected override void InitializeComponent()
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{
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Background = "#fff";
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BorderStroke = "1";
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BorderFill = "#aaa";
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BorderType = BorderType.BorderStroke;
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//CornerRadius = "3";
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Children.Add(new Grid
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{
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Margin = "3",
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MarginBottom = 40,
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Width = "100%",
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Height = "100%",
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Name = "MonthView",
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PresenterFor = this,
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ColumnDefinitions =
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{
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new ColumnDefinition{ Width="auto", MinWidth=25 },
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new ColumnDefinition{ Width="auto", MinWidth=25 },
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new ColumnDefinition{ Width="auto", MinWidth=25 },
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new ColumnDefinition{ Width="auto", MinWidth=25 },
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new ColumnDefinition{ Width="auto", MinWidth=25 },
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new ColumnDefinition{ Width="auto", MinWidth=25 },
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new ColumnDefinition{ Width="auto", MinWidth=25 },
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},
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RowDefinitions =
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{
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new RowDefinition{ Height="auto",MinHeight=25 },
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new RowDefinition{ Height="auto",MinHeight=20 },
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new RowDefinition{ Height="auto" },
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new RowDefinition{ Height="auto" },
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new RowDefinition{ Height="auto" },
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new RowDefinition{ Height="auto" },
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new RowDefinition{ Height="auto" },
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new RowDefinition{ Height="auto" },
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},
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Bindings =
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{
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{nameof(Visibility),nameof(DisplayMode),this,BindingMode.OneWay,(CalendarMode m)=>m== CalendarMode.Month?Visibility.Visible:Visibility.Collapsed }
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}
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});
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Children.Add(new StackPanel
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{
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Name = "buttons",
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Orientation = Orientation.Horizontal,
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MarginBottom = 10,
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Bindings =
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{
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{nameof(Visibility),nameof(DisplayMode),this,BindingMode.OneWay,(CalendarMode m)=>m== CalendarMode.Month?Visibility.Visible:Visibility.Collapsed }
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},
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Children = {
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new TextBlock
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{
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//Classes = "lblgreen",
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Foreground = "#05AA69",
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PresenterFor = this,
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FontSize = 12f,
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Name = "clear",
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Text = "Clear",
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Cursor = Cursors.Hand,
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Commands =
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{
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{
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nameof(TextBlock.MouseUp),
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nameof(ClearDate),
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this,
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CommandParameter.EventSender,
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CommandParameter.EventArgs
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}
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},
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},
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new TextBlock
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{
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//Classes = "lblgreen",
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Foreground = "#05AA69",
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PresenterFor = this,
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FontSize = 12f,
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MarginLeft = 30,
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Name = "ok",
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Text = "OK",
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Cursor = Cursors.Hand,
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Commands =
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{
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{
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nameof(TextBlock.MouseUp),
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nameof(CloseUp),
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this,
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CommandParameter.EventSender,
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CommandParameter.EventArgs
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}
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},
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} }
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});
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//Children.Add(new TextBlock
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//{
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// Classes = "lblgreen",
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// Foreground = "#05AA69",
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// PresenterFor = this,
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// MarginBottom = 10,
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// FontSize = 14f,
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// Name = "清除",
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// Text = "清除",
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// Cursor = Cursors.Hand,
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// Commands =
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// {
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// {
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// nameof(TextBlock.MouseUp),
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// nameof(ClearDate),
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// this,
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// CommandParameter.EventSender,
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// CommandParameter.EventArgs
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// }
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// },
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// Bindings =
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// {
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// {nameof(Visibility),nameof(DisplayMode),this,BindingMode.OneWay,(CalendarMode m)=>m== CalendarMode.Month?Visibility.Visible:Visibility.Collapsed }
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// }
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//});
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Children.Add(new Grid
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{
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Margin = "3",
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Width = "100%",
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Height = "100%",
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Name = "YearView",
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PresenterFor = this,
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ColumnDefinitions =
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{
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new ColumnDefinition{ Width="auto", MinWidth=40 },
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new ColumnDefinition{ Width="auto", MinWidth=40 },
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new ColumnDefinition{ Width="auto", MinWidth=40 },
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new ColumnDefinition{ Width="auto", MinWidth=40 },
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},
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RowDefinitions =
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{
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new RowDefinition{ Height="auto",MinHeight=25 },
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new RowDefinition{ Height="auto",MinHeight=40 },
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new RowDefinition{ Height="auto",MinHeight=40 },
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new RowDefinition{ Height="auto",MinHeight=40 },
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},
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Bindings =
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{
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{nameof(Visibility),nameof(DisplayMode),this,BindingMode.OneWay,(CalendarMode m)=>m== CalendarMode.Year?Visibility.Visible:Visibility.Collapsed }
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}
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});
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}
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}
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public enum CalendarMode : byte
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{
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/// <summary>
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/// The Calendar displays a month at a time.
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/// </summary>
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Month = 0,
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/// <summary>
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/// The Calendar displays a year at a time.
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/// </summary>
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Year = 1,
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///// <summary>
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///// The Calendar displays a decade at a time.
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///// </summary>
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//Decade = 2,
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}
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}
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