DateChooser源码DataChooserDesigner.cs

using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.Design;
using System.ComponentModel.Design;
using System.ComponentModel;

namespace CNBlogs.DCT.THIN.Design
{
 /// <summary>
 /// DataChooserDesigner 的摘要说明。
 /// </summary>
 public class DataChooserDesigner:ControlDesigner
 {
  public DataChooserDesigner()
  {
   this.bFirstTime = true;
   this.IsDroppedDown = false;
   
   this.showHideDropdown = new DesignerVerb(("显示/隐藏下拉日期框"), new EventHandler(this.OnShowHideDropDownClick));
   this.about = new DesignerVerb("关于",new EventHandler(this.OnAbloutClick));  
   this.verbs = new DesignerVerbCollection();
  }
  public override string GetDesignTimeHtml()
  {
   string text1 = null;
   if ((base.Component == null) || !(base.Component is DateChooser))
   {
    return base.GetDesignTimeHtml();
   }
   try
   {
    DateChooser chooser1 = (DateChooser) base.Component;
    ControlCollection cc =  chooser1.Controls;
    text1 = base.GetDesignTimeHtml();
    if(chooser1.EnableClientScript)
    {
     this.showHideDropdown.Visible = true;
     if(this.IsDroppedDown)
     {
      string lightColor = chooser1.CCS(chooser1.LightColor);
      string midColor = chooser1.CCS(chooser1.MidColor);
      string darkColor = chooser1.CCS(chooser1.DarkColor);
      string borderColor = chooser1.CCS(chooser1.BorderColor);
      string currentBack = chooser1.CCS(chooser1.CurrentBackColor);
      string currentFore = chooser1.CCS(chooser1.CurrentForeColor);
      string todayBack = chooser1.CCS(chooser1.TodayBackColor);
      string todayFore = chooser1.CCS(chooser1.TodayForeColor);
      string otherBack = chooser1.CCS(chooser1.OtherBackColor);
      string otherFore = chooser1.CCS(chooser1.OtherForeColor);
      string monthBack = chooser1.CCS(chooser1.MonthBackColor);
      string monthFore = chooser1.CCS(chooser1.MonthForeColor);
      bool showbtn = chooser1.ShowButton;
      DateTime selected;
      selected = (chooser1.SelectedDate=="")?DateTime.Today:DateTime.Parse(chooser1.SelectedDate);
      if(selected == DateTime.MinValue)
       selected = DateTime.Today;
      bool cultureCn = chooser1.Culture == Culture.Cn;
      bool allowNull = chooser1.AllowNull;
      text1 = "<table cellpadding=0 cellspacing=0 border=0><tr><td>"+text1+"</td></tr><tr><td>";
      text1 += GetDropString(lightColor,midColor,darkColor,borderColor,currentBack,currentFore,
       todayBack,todayFore,otherBack,otherFore,monthFore,monthBack,cultureCn,selected,allowNull)+"</td></tr></table>";
      return text1;
     }
    }
    else
    {
     this.showHideDropdown.Visible = false;
    }
   }
   catch (Exception exception1)
   {
    text1 = this.GetErrorDesignTimeHtml(exception1);
   }
   return text1;
  }
  private string GetDropString(string lightColor, string midColor,string darkColor,string borderColor,string currentBack,string currentFore
   ,string todayBack,string todayFore,string otherBack,string otherFore,string monthFore,string monthBack
   ,bool cultureCn,DateTime selected,bool allowNull)
  {
   string v =  string.Format(@"
<TABLE style=""BORDER-RIGHT:{3} 1px solid; BORDER-TOP: {3} 1px solid; DISPLAY: block; FONT-SIZE: 9pt;    BORDER-LEFT: {3} 1px solid; CURSOR: default; BORDER-BOTTOM: {3} 1px solid; HEIGHT: 200px; BACKGROUND-COLOR: {0}"" border=0><TBODY>
<TR height=16>
<TD width=""100%"">
<TABLE cellSpacing=0 cellPadding=0 width=""100%"" border=0>
<TBODY>
<TR>
<TD style=""FONT-SIZE: 9pt; CURSOR: hand; COLOR: {2}; FONT-FAMILY: webdings"" width=""10%"">9</TD>
<TD style=""FONT-SIZE: 9pt; CURSOR: hand; COLOR: {2}; FONT-FAMILY: webdings"" width=""10%"">7</TD>
<TD width=""30%""><SELECT><OPTION>2000</OPTION></SELECT></TD>
<TD width=""30%""><SELECT><OPTION>Jan</OPTION></SELECT></TD>
<TD style=""FONT-SIZE: 9pt; CURSOR: hand; COLOR: {2}; FONT-FAMILY: webdings"" width=""10%"">8</TD>
<TD style=""FONT-SIZE: 9pt; CURSOR: hand; COLOR: {2}; FONT-FAMILY: webdings"" width=""10%"">:</TD></TR></TBODY></TABLE></TD></TR>
<TR height=2>
<TD align=middle colSpan=3>
<DIV id=DataChooser_separator style=""FONT-SIZE: 0px; BORDER-BOTTOM: {2} 1px solid"">&nbsp;</DIV>
<DIV style=""BORDER-TOP: #eeeeee 1px solid; FONT-SIZE: 0px"">&nbsp;</DIV></TD></TR>
<TR>
<TD colSpan=3>
<TABLE id=DataChooser_tabledays style=""BORDER-RIGHT: {3} 1px solid; BORDER-TOP: {3} 1px solid; BORDER-LEFT: {3} 1px solid; BORDER-BOTTOM: {3} 1px solid; BORDER-COLLAPSE: collapse"" borderColor={3} height=124 width=202 border=1>
<TBODY>
<TR style=""FONT-WEIGHT: bold; COLOR: {2}; FONT-FAMILY: fixedsys; BACKGROUND-COLOR: {1}"">
<TD align=middle>sun</TD>
<TD align=middle>mon</TD>
<TD align=middle>tue</TD>
<TD align=middle>wed</TD>
<TD align=middle>thu</TD>
<TD align=middle>fri</TD>
<TD align=middle>sat</TD></TR>
CreateDays</TBODY></TABLE></TD></TR>
<TR>
<TD align=middle><BUTTON id=DataChooser_btntd hideFocus style=""BORDER-RIGHT: {3} 1px outset; BORDER-TOP: {3} 1px outset; FONT-SIZE: 9pt; BORDER-LEFT: {3} 1px outset; WIDTH: 62px; CURSOR: hand; PADDING-TOP: 2px; BORDER-BOTTOM: {3} 1px outset; BACKGROUND-COLOR: {2}"" onfocus=blur()>Today</BUTTON>&nbsp;<BUTTON id=DataChooser_btnbl hideFocus style=""BORDER-RIGHT: {3} 1px outset; BORDER-TOP: {3} 1px outset; FONT-SIZE: 9pt; BORDER-LEFT: {3} 1px outset; WIDTH: 62px; CURSOR: hand; PADDING-TOP: 2px; BORDER-BOTTOM: {3} 1px outset; BACKGROUND-COLOR: {2}"" onfocus=blur()>Clear</BUTTON>&nbsp;<BUTTON id=DataChooser_btnok hideFocus style=""BORDER-RIGHT: {3} 1px outset; BORDER-TOP: {3} 1px outset; FONT-SIZE: 9pt; BORDER-LEFT: {3} 1px outset; WIDTH: 62px; CURSOR: hand; PADDING-TOP: 2px; BORDER-BOTTOM: {3} 1px outset; BACKGROUND-COLOR: {2}"" onfocus=blur()>Close</BUTTON>&nbsp; </TD></TR></TBODY></TABLE>",lightColor, midColor,darkColor, borderColor, currentBack,todayBack,otherFore,monthFore,cultureCn);
   if(!allowNull)
    v = v.Replace("<BUTTON id=DataChooser_btnbl hideFocus style=\"BORDER-RIGHT:","<BUTTON id=DataChooser_btnbl hideFocus style=\"display:none;BORDER-RIGHT:");
     
   if(cultureCn)
   {
    v = v.Replace(@"<TD align=middle>sun</TD>
<TD align=middle>mon</TD>
<TD align=middle>tue</TD>
<TD align=middle>wed</TD>
<TD align=middle>thu</TD>
<TD align=middle>fri</TD>
<TD align=middle>sat</TD>",@"<TD align=middle>日</TD>
<TD align=middle>一</TD>
<TD align=middle>二</TD>
<TD align=middle>三</TD>
<TD align=middle>四</TD>
<TD align=middle>五</TD>
<TD align=middle>六</TD>").Replace(">Today<",">今天<").Replace(">Clear<",">清空<").Replace(">Close<",">关闭<");
    string month="";
    switch(selected.Month)
    {
     case 1:
      month = "一月";break;
     case 2:
      month = "二月";break;
     case 3:
      month = "三月";break;
     case 4:
      month = "四月";break;
     case 5:
      month = "五月";break;
     case 6:
      month = "六月";break;
     case 7:
      month = "七月";break;
     case 8:
      month = "八月";break;
     case 9:
      month = "九月";break;
     case 10:
      month = "十月";break;
     case 11:
      month = "十一月";break;
     case 12:
      month = "十二月";break;
    }
    v = v.Replace("<OPTION>Jan</OPTION>","<OPTION>"+month+"</OPTION>");
   }
   else
   {
    string month="";
    switch(selected.Month)
    {
     case 1:
      month = "Jan";break;
     case 2:
      month = "Feb";break;
     case 3:
      month = "Mar";break;
     case 4:
      month = "Apr";break;
     case 5:
      month = "May";break;
     case 6:
      month = "Jun";break;
     case 7:
      month = "Jul";break;
     case 8:
      month = "Aug";break;
     case 9:
      month = "Sep";break;
     case 10:
      month = "Oct";break;
     case 11:
      month = "Nov";break;
     case 12:
      month = "Dec";break;
    }
    v = v.Replace("<OPTION>Jan</OPTION>","<OPTION>"+month+"</OPTION>");
   }
   v = v.Replace("<OPTION>2000</OPTION>","<OPTION>"+selected.Year.ToString()+"</OPTION>");
   v = v.Replace("CreateDays",CreateDays(selected,currentBack,currentFore,todayBack,todayFore,otherBack,otherFore,monthBack,monthFore));
   return v;
  }
  protected override string GetErrorDesignTimeHtml(Exception e)
  {
   string text1 = "DesignTimeErrorMessage" + e.Message;
   if (e.InnerException != null)
   {
    text1 = text1 + "<br>DateChooser 博客园控件开发团队（www.cnblogs.com/team/dotnetcontrols.htm)<br>THIN(www.cnblogs.com/thinhunan)作品<br>在使用上有任何问题和建议请联系我，本团队非常乐意根据使用者的建议制作控件<br><span style='background:yellow'>" + e.InnerException.Message + "</span>";
   }
   return base.CreatePlaceHolderDesignTimeHtml(text1);
  }
  public override void Initialize(IComponent component)
  {
   base.Initialize(component);
  }
 
  public void OnShowHideDropDownClick(object o, EventArgs e)
  {
   this.IsDroppedDown = !this.IsDroppedDown;
   base.IsDirty = true;
   this.UpdateDesignTimeHtml();
  }
  public void OnAbloutClick(object o ,EventArgs e)
  {
   Help help = new Help();
   help.ShowDialog();
  }
  private bool bFirstTime;
  private bool IsDroppedDown = false;
  public override DesignerVerbCollection Verbs
  {
   get
   {
    if (this.bFirstTime && (base.Component != null))
    {
     this.verbs = base.Verbs;
     this.verbs.Add(this.showHideDropdown);
     this.verbs.Add(this.about);
     this.bFirstTime = false;
    }
    this.showHideDropdown.Visible = true;
    this.about.Visible = true;
    return this.verbs;
   }
  }
  private string CreateDays(DateTime selected,
   string currentBack,string currentFore,
   string todayBack,string todayFore,
   string otherBack,string otherFore,
   string monthBack,string monthFore)
  {
   DateTime dtFirst = new DateTime(selected.Year,selected.Month,1);
   DateTime dtEnd = new DateTime(selected.Year,selected.Month+1,1);
   if(!(dtFirst.Year == 1 && dtFirst.Month == 1))
    dtFirst = dtFirst.AddDays(-1*((int)dtFirst.DayOfWeek));
   if(dtEnd.DayOfWeek != DayOfWeek.Sunday)
    dtEnd = dtEnd.AddDays(7-((int)dtEnd.DayOfWeek));
   string v = "";
   for(DateTime dt = dtFirst;dt<dtEnd;dt = dt.AddDays(1))
   {
    string td;
    if(dt.DayOfWeek == DayOfWeek.Sunday)
     v += "<tr>";
    td = "<TD style=\"FONT-SIZE: 9pt; CURSOR: hand; COLOR: "+otherFore+";BACKGROUND-COLOR:"+otherBack+"; FONT-FAMILY: fixedsys;\" align=center width=16 height=16>"+dt.Day.ToString()+"</TD>";
    if(dt.Month == selected.Month)
     td= "<TD style=\"FONT-SIZE: 9pt; CURSOR: hand; COLOR: "+monthFore+";BACKGROUND-COLOR: "+monthBack+"; FONT-FAMILY: fixedsys;\" align=center width=16 height=16>"+dt.Day.ToString()+"</TD>";
    if(dt.Month == DateTime.Today.Month && dt.Day == DateTime.Today.Day)
     td= "<TD style=\"FONT-SIZE: 9pt; CURSOR: hand; COLOR: "+todayFore+"; FONT-FAMILY: fixedsys; BACKGROUND-COLOR: "+todayBack+";\" align=center width=16 height=16>"+dt.Day.ToString()+"</TD>";
    if(dt.Month == selected.Month && dt.Day == selected.Day)
     td= "<TD style=\"FONT-WEIGHT: bold; FONT-SIZE: 9pt; CURSOR: hand; COLOR: "+currentFore+"; FONT-FAMILY: fixedsys; BACKGROUND-COLOR: "+currentBack+";\" align=center width=16 height=16>"+dt.Day.ToString()+"</TD>";
    v += td;
    if(dt.DayOfWeek == DayOfWeek.Saturday)
     v+= "<tr>";
   }
   return v;
  }
 
  private DesignerVerb showHideDropdown;
  private DesignerVerb about;
  private DesignerVerbCollection verbs;
 
 }
}