Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / UI / WebControls / Calendar.cs / 1 / Calendar.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System.Threading;
using System.Globalization;
using System.ComponentModel;
using System;
using System.Web;
using System.Web.UI;
using System.Web.Util;
using System.Collections;
using System.ComponentModel.Design;
using System.Drawing;
using System.Text;
using System.IO;
using System.Reflection;
using System.Security.Permissions;
///
/// Displays a one-month calendar and allows the user to
/// view and select a specific day, week, or month.
///
[
ControlValueProperty("SelectedDate", typeof(DateTime), "1/1/0001"),
DataBindingHandler("System.Web.UI.Design.WebControls.CalendarDataBindingHandler, " + AssemblyRef.SystemDesign),
DefaultEvent("SelectionChanged"),
DefaultProperty("SelectedDate"),
Designer("System.Web.UI.Design.WebControls.CalendarDesigner, " + AssemblyRef.SystemDesign),
SupportsEventValidation
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class Calendar : WebControl, IPostBackEventHandler {
private static readonly object EventDayRender = new object();
private static readonly object EventSelectionChanged = new object();
private static readonly object EventVisibleMonthChanged = new object();
private TableItemStyle titleStyle;
private TableItemStyle nextPrevStyle;
private TableItemStyle dayHeaderStyle;
private TableItemStyle selectorStyle;
private TableItemStyle dayStyle;
private TableItemStyle otherMonthDayStyle;
private TableItemStyle todayDayStyle;
private TableItemStyle selectedDayStyle;
private TableItemStyle weekendDayStyle;
private string defaultButtonColorText;
private static readonly Color DefaultForeColor = Color.Black;
private Color defaultForeColor;
private ArrayList dateList;
private SelectedDatesCollection selectedDates;
private Globalization.Calendar threadCalendar;
private DateTime minSupportedDate;
private DateTime maxSupportedDate;
#if DEBUG
private bool threadCalendarInitialized;
#endif
private const string SELECT_RANGE_COMMAND = "R";
private const string NAVIGATE_MONTH_COMMAND = "V";
private static DateTime baseDate = new DateTime(2000, 1, 1);
private const int STYLEMASK_DAY = 16;
private const int STYLEMASK_UNIQUE = 15;
private const int STYLEMASK_SELECTED = 8;
private const int STYLEMASK_TODAY = 4;
private const int STYLEMASK_OTHERMONTH = 2;
private const int STYLEMASK_WEEKEND = 1;
private const string ROWBEGINTAG = "";
private const string ROWENDTAG = " ";
// Cache commonly used strings. This improves performance and memory usage.
private const int cachedNumberMax = 31;
private static readonly string[] cachedNumbers = new string [] {
"0", "1", "2", "3", "4", "5", "6",
"7", "8", "9", "10", "11", "12", "13",
"14", "15", "16", "17", "18", "19", "20",
"21", "22", "23", "24", "25", "26", "27",
"28", "29", "30", "31",
};
///
/// Initializes a new instance of the
///
public Calendar() : base(HtmlTextWriterTag.Table) {
}
[
Localizable(true),
DefaultValue(""),
WebCategory("Accessibility"),
WebSysDescription(SR.Calendar_Caption)
]
public virtual string Caption {
get {
string s = (string)ViewState["Caption"];
return (s != null) ? s : String.Empty;
}
set {
ViewState["Caption"] = value;
}
}
[
DefaultValue(TableCaptionAlign.NotSet),
WebCategory("Accessibility"),
WebSysDescription(SR.WebControl_CaptionAlign)
]
public virtual TableCaptionAlign CaptionAlign {
get {
object o = ViewState["CaptionAlign"];
return (o != null) ? (TableCaptionAlign)o : TableCaptionAlign.NotSet;
}
set {
if ((value < TableCaptionAlign.NotSet) ||
(value > TableCaptionAlign.Right)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["CaptionAlign"] = value;
}
}
///
/// Gets or sets the amount of space between cells.
///
[
WebCategory("Layout"),
DefaultValue(2),
WebSysDescription(SR.Calendar_CellPadding)
]
public int CellPadding {
get {
object o = ViewState["CellPadding"];
return((o == null) ? 2 : (int)o);
}
set {
if (value < - 1 ) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["CellPadding"] = value;
}
}
///
/// Gets or sets the amount of space between the contents of a cell
/// and the cell's border.
///
[
WebCategory("Layout"),
DefaultValue(0),
WebSysDescription(SR.Calendar_CellSpacing)
]
public int CellSpacing {
get {
object o = ViewState["CellSpacing"];
return((o == null) ? 0 : (int)o);
}
set {
if (value < -1 ) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["CellSpacing"] = (int)value;
}
}
///
/// Gets the style property of the day-of-the-week header. This property is read-only.
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_DayHeaderStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle DayHeaderStyle {
get {
if (dayHeaderStyle == null) {
dayHeaderStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)dayHeaderStyle).TrackViewState();
}
return dayHeaderStyle;
}
}
///
/// Gets or sets
/// the format for the names of days.
///
[
WebCategory("Appearance"),
DefaultValue(DayNameFormat.Short),
WebSysDescription(SR.Calendar_DayNameFormat)
]
public DayNameFormat DayNameFormat {
get {
object dnf = ViewState["DayNameFormat"];
return((dnf == null) ? DayNameFormat.Short : (DayNameFormat)dnf);
}
set {
if (value < DayNameFormat.Full || value > DayNameFormat.Shortest) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["DayNameFormat"] = value;
}
}
///
/// Gets the style properties for the days. This property is read-only.
///
[
WebCategory("Styles"),
DefaultValue(null),
WebSysDescription(SR.Calendar_DayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle DayStyle {
get {
if (dayStyle == null) {
dayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)dayStyle).TrackViewState();
}
return dayStyle;
}
}
///
/// Gets
/// or sets the day of the week to display in the calendar's first
/// column.
///
[
WebCategory("Appearance"),
DefaultValue(FirstDayOfWeek.Default),
WebSysDescription(SR.Calendar_FirstDayOfWeek)
]
public FirstDayOfWeek FirstDayOfWeek {
get {
object o = ViewState["FirstDayOfWeek"];
return((o == null) ? FirstDayOfWeek.Default : (FirstDayOfWeek)o);
}
set {
if (value < FirstDayOfWeek.Sunday || value > FirstDayOfWeek.Default) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["FirstDayOfWeek"] = value;
}
}
///
/// Gets or sets the text shown for the next month
/// navigation hyperlink if the
///
[
Localizable(true),
WebCategory("Appearance"),
DefaultValue(">"),
WebSysDescription(SR.Calendar_NextMonthText)
]
public string NextMonthText {
get {
object s = ViewState["NextMonthText"];
return((s == null) ? ">" : (String) s);
}
set {
ViewState["NextMonthText"] = value;
}
}
///
/// Gets or sets the format of the next and previous month hyperlinks in the
/// title.
///
[
WebCategory("Appearance"),
DefaultValue(NextPrevFormat.CustomText),
WebSysDescription(SR.Calendar_NextPrevFormat)
]
public NextPrevFormat NextPrevFormat {
get {
object npf = ViewState["NextPrevFormat"];
return((npf == null) ? NextPrevFormat.CustomText : (NextPrevFormat)npf);
}
set {
if (value < NextPrevFormat.CustomText || value > NextPrevFormat.FullMonth) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["NextPrevFormat"] = value;
}
}
///
/// Gets the style properties for the next/previous month navigators. This property is
/// read-only.
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_NextPrevStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle NextPrevStyle {
get {
if (nextPrevStyle == null) {
nextPrevStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)nextPrevStyle).TrackViewState();
}
return nextPrevStyle;
}
}
///
/// Gets the style properties for the days from the months preceding and following the current month.
/// This property is read-only.
///
[
WebCategory("Styles"),
DefaultValue(null),
WebSysDescription(SR.Calendar_OtherMonthDayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle OtherMonthDayStyle {
get {
if (otherMonthDayStyle == null) {
otherMonthDayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)otherMonthDayStyle).TrackViewState();
}
return otherMonthDayStyle;
}
}
///
/// Gets or sets the text shown for the previous month
/// navigation hyperlink if the
///
[
Localizable(true),
WebCategory("Appearance"),
DefaultValue("<"),
WebSysDescription(SR.Calendar_PrevMonthText)
]
public string PrevMonthText {
get {
object s = ViewState["PrevMonthText"];
return((s == null) ? "<" : (String) s);
}
set {
ViewState["PrevMonthText"] = value;
}
}
///
/// Gets or sets the date that is currently selected
/// date.
///
[
Bindable(true, BindingDirection.TwoWay),
DefaultValue(typeof(DateTime), "1/1/0001"),
WebSysDescription(SR.Calendar_SelectedDate)
]
public DateTime SelectedDate {
get {
if (SelectedDates.Count == 0) {
return DateTime.MinValue;
}
return SelectedDates[0];
}
set {
if (value == DateTime.MinValue) {
SelectedDates.Clear();
}
else {
SelectedDates.SelectRange(value, value);
}
}
}
///
/// Gets a collection of
///
[
Browsable(false),
WebSysDescription(SR.Calendar_SelectedDates),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public SelectedDatesCollection SelectedDates {
get {
if (selectedDates == null) {
if (dateList == null) {
dateList = new ArrayList();
}
selectedDates = new SelectedDatesCollection(dateList);
}
return selectedDates;
}
}
///
/// Gets the style properties for the selected date. This property is read-only.
///
[
WebCategory("Styles"),
DefaultValue(null),
WebSysDescription(SR.Calendar_SelectedDayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle SelectedDayStyle {
get {
if (selectedDayStyle == null) {
selectedDayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)selectedDayStyle).TrackViewState();
}
return selectedDayStyle;
}
}
///
/// Gets or sets the date selection capabilities on the
///
///
[
WebCategory("Behavior"),
DefaultValue(CalendarSelectionMode.Day),
WebSysDescription(SR.Calendar_SelectionMode)
]
public CalendarSelectionMode SelectionMode {
get {
object csm = ViewState["SelectionMode"];
return((csm == null) ? CalendarSelectionMode.Day : (CalendarSelectionMode)csm);
}
set {
if (value < CalendarSelectionMode.None || value > CalendarSelectionMode.DayWeekMonth) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["SelectionMode"] = value;
}
}
///
/// Gets or sets the text shown for the month selection in
/// the selector column if
///
[
Localizable(true),
WebCategory("Appearance"),
DefaultValue(">>"),
WebSysDescription(SR.Calendar_SelectMonthText)
]
public string SelectMonthText {
get {
object s = ViewState["SelectMonthText"];
return((s == null) ? ">>" : (String) s);
}
set {
ViewState["SelectMonthText"] = value;
}
}
///
/// Gets the style properties for the week and month selectors. This property is read-only.
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_SelectorStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle SelectorStyle {
get {
if (selectorStyle == null) {
selectorStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)selectorStyle).TrackViewState();
}
return selectorStyle;
}
}
///
/// Gets or sets the text shown for the week selection in
/// the selector column if
///
[
Localizable(true),
WebCategory("Appearance"),
DefaultValue(">"),
WebSysDescription(SR.Calendar_SelectWeekText)
]
public string SelectWeekText {
get {
object s = ViewState["SelectWeekText"];
return((s == null) ? ">" : (String) s);
}
set {
ViewState["SelectWeekText"] = value;
}
}
///
/// Gets or sets
/// a value indicating whether the days of the week are displayed.
///
[
WebCategory("Appearance"),
DefaultValue(true),
WebSysDescription(SR.Calendar_ShowDayHeader)
]
public bool ShowDayHeader {
get {
object b = ViewState["ShowDayHeader"];
return((b == null) ? true : (bool)b);
}
set {
ViewState["ShowDayHeader"] = value;
}
}
///
/// Gets or set
/// a value indicating whether days on the calendar are displayed with a border.
///
[
WebCategory("Appearance"),
DefaultValue(false),
WebSysDescription(SR.Calendar_ShowGridLines)
]
public bool ShowGridLines {
get {
object b= ViewState["ShowGridLines"];
return((b == null) ? false : (bool)b);
}
set {
ViewState["ShowGridLines"] = value;
}
}
///
/// Gets or sets a value indicating whether the
///
[
WebCategory("Appearance"),
DefaultValue(true),
WebSysDescription(SR.Calendar_ShowNextPrevMonth)
]
public bool ShowNextPrevMonth {
get {
object b = ViewState["ShowNextPrevMonth"];
return((b == null) ? true : (bool)b);
}
set {
ViewState["ShowNextPrevMonth"] = value;
}
}
///
/// Gets or
/// sets a value indicating whether the title is displayed.
///
[
WebCategory("Appearance"),
DefaultValue(true),
WebSysDescription(SR.Calendar_ShowTitle)
]
public bool ShowTitle {
get {
object b = ViewState["ShowTitle"];
return((b == null) ? true : (bool)b);
}
set {
ViewState["ShowTitle"] = value;
}
}
///
/// Gets or sets how the month name is formatted in the title
/// bar.
///
[
WebCategory("Appearance"),
DefaultValue(TitleFormat.MonthYear),
WebSysDescription(SR.Calendar_TitleFormat)
]
public TitleFormat TitleFormat {
get {
object tf = ViewState["TitleFormat"];
return((tf == null) ? TitleFormat.MonthYear : (TitleFormat)tf);
}
set {
if (value < TitleFormat.Month || value > TitleFormat.MonthYear) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["TitleFormat"] = value;
}
}
///
/// Gets the style properties of the
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_TitleStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
]
public TableItemStyle TitleStyle {
get {
if (titleStyle == null) {
titleStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)titleStyle).TrackViewState();
}
return titleStyle;
}
}
///
/// Gets the style properties for today's date on the
///
///
[
WebCategory("Styles"),
DefaultValue(null),
WebSysDescription(SR.Calendar_TodayDayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle TodayDayStyle {
get {
if (todayDayStyle == null) {
todayDayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)todayDayStyle).TrackViewState();
}
return todayDayStyle;
}
}
///
/// Gets or sets the value to use as today's date.
///
[
Browsable(false),
WebSysDescription(SR.Calendar_TodaysDate),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public DateTime TodaysDate {
get {
object o = ViewState["TodaysDate"];
return((o == null) ? DateTime.Today : (DateTime)o);
}
set {
ViewState["TodaysDate"] = value.Date;
}
}
[
DefaultValue(true),
WebCategory("Accessibility"),
WebSysDescription(SR.Table_UseAccessibleHeader)
]
public virtual bool UseAccessibleHeader {
get {
object o = ViewState["UseAccessibleHeader"];
return (o != null) ? (bool)o : true;
}
set {
ViewState["UseAccessibleHeader"] = value;
}
}
///
/// Gets or sets the date that specifies what month to display. The date can be
/// be any date within the month.
///
[
Bindable(true),
DefaultValue(typeof(DateTime), "1/1/0001"),
WebSysDescription(SR.Calendar_VisibleDate)
]
public DateTime VisibleDate {
get {
object o = ViewState["VisibleDate"];
return((o == null) ? DateTime.MinValue : (DateTime)o);
}
set {
ViewState["VisibleDate"] = value.Date;
}
}
///
/// Gets the style properties for the displaying weekend dates. This property is
/// read-only.
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_WeekendDayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle WeekendDayStyle {
get {
if (weekendDayStyle == null) {
weekendDayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)weekendDayStyle).TrackViewState();
}
return weekendDayStyle;
}
}
///
/// Occurs when each day is created in teh control hierarchy for the
///
[
WebCategory("Action"),
WebSysDescription(SR.Calendar_OnDayRender)
]
public event DayRenderEventHandler DayRender {
add {
Events.AddHandler(EventDayRender, value);
}
remove {
Events.RemoveHandler(EventDayRender, value);
}
}
///
/// Occurs when the user clicks on a day, week, or month
/// selector and changes the
///
[
WebCategory("Action"),
WebSysDescription(SR.Calendar_OnSelectionChanged)
]
public event EventHandler SelectionChanged {
add {
Events.AddHandler(EventSelectionChanged, value);
}
remove {
Events.RemoveHandler(EventSelectionChanged, value);
}
}
///
/// Occurs when the
/// user clicks on the next or previous month
///
[
WebCategory("Action"),
WebSysDescription(SR.Calendar_OnVisibleMonthChanged)
]
public event MonthChangedEventHandler VisibleMonthChanged {
add {
Events.AddHandler(EventVisibleMonthChanged, value);
}
remove {
Events.RemoveHandler(EventVisibleMonthChanged, value);
}
}
// Methods
///
///
private void ApplyTitleStyle(TableCell titleCell, Table titleTable, TableItemStyle titleStyle) {
// apply affects that affect the whole background to the cell
if (titleStyle.BackColor != Color.Empty) {
titleCell.BackColor = titleStyle.BackColor;
}
if (titleStyle.BorderColor != Color.Empty) {
titleCell.BorderColor = titleStyle.BorderColor;
}
if (titleStyle.BorderWidth != Unit.Empty) {
titleCell.BorderWidth= titleStyle.BorderWidth;
}
if (titleStyle.BorderStyle != BorderStyle.NotSet) {
titleCell.BorderStyle = titleStyle.BorderStyle;
}
if (titleStyle.Height != Unit.Empty) {
titleCell.Height = titleStyle.Height;
}
if (titleStyle.VerticalAlign != VerticalAlign.NotSet) {
titleCell.VerticalAlign = titleStyle.VerticalAlign;
}
// apply affects that affect everything else to the table
if (titleStyle.CssClass.Length > 0) {
titleTable.CssClass = titleStyle.CssClass;
}
else if (CssClass.Length > 0) {
titleTable.CssClass = CssClass;
}
if (titleStyle.ForeColor != Color.Empty) {
titleTable.ForeColor = titleStyle.ForeColor;
}
else if (ForeColor != Color.Empty) {
titleTable.ForeColor = ForeColor;
}
titleTable.Font.CopyFrom(titleStyle.Font);
titleTable.Font.MergeWith(this.Font);
}
///
///
protected override ControlCollection CreateControlCollection() {
return new InternalControlCollection(this);
}
///
///
private DateTime EffectiveVisibleDate() {
DateTime visDate = VisibleDate;
if (visDate.Equals(DateTime.MinValue)) {
visDate = TodaysDate;
}
// VSWhidbey 366243
if (IsMinSupportedYearMonth(visDate)) {
return minSupportedDate;
}
else {
return threadCalendar.AddDays(visDate, -(threadCalendar.GetDayOfMonth(visDate) - 1));
}
}
///
///
private DateTime FirstCalendarDay(DateTime visibleDate) {
DateTime firstDayOfMonth = visibleDate;
// VSWhidbey 366243
if (IsMinSupportedYearMonth(firstDayOfMonth)) {
return firstDayOfMonth;
}
int daysFromLastMonth = ((int)threadCalendar.GetDayOfWeek(firstDayOfMonth)) - NumericFirstDayOfWeek();
// Always display at least one day from the previous month
if (daysFromLastMonth <= 0) {
daysFromLastMonth += 7;
}
return threadCalendar.AddDays(firstDayOfMonth, -daysFromLastMonth);
}
///
///
private string GetCalendarButtonText(string eventArgument, string buttonText, string title, bool showLink, Color foreColor) {
if (showLink) {
StringBuilder sb = new StringBuilder();
sb.Append("");
sb.Append(buttonText);
sb.Append("");
return sb.ToString();
}
else {
return buttonText;
}
}
///
///
private int GetDefinedStyleMask() {
// Selected is always defined because it has default effects
int styleMask = STYLEMASK_SELECTED;
if (dayStyle != null && !dayStyle.IsEmpty)
styleMask |= STYLEMASK_DAY;
if (todayDayStyle != null && !todayDayStyle.IsEmpty)
styleMask |= STYLEMASK_TODAY;
if (otherMonthDayStyle != null && !otherMonthDayStyle.IsEmpty)
styleMask |= STYLEMASK_OTHERMONTH;
if (weekendDayStyle != null && !weekendDayStyle.IsEmpty)
styleMask |= STYLEMASK_WEEKEND;
return styleMask;
}
///
///
private string GetMonthName(int m, bool bFull) {
if (bFull) {
return DateTimeFormatInfo.CurrentInfo.GetMonthName(m);
}
else {
return DateTimeFormatInfo.CurrentInfo.GetAbbreviatedMonthName(m);
}
}
///
/// Determines if a
///
protected bool HasWeekSelectors(CalendarSelectionMode selectionMode) {
return(selectionMode == CalendarSelectionMode.DayWeek
|| selectionMode == CalendarSelectionMode.DayWeekMonth);
}
private bool IsTheSameYearMonth(DateTime date1, DateTime date2) {
#if DEBUG
Debug.Assert(threadCalendarInitialized);
#endif
return (threadCalendar.GetEra(date1) == threadCalendar.GetEra(date2) &&
threadCalendar.GetYear(date1) == threadCalendar.GetYear(date2) &&
threadCalendar.GetMonth(date1) == threadCalendar.GetMonth(date2));
}
private bool IsMinSupportedYearMonth(DateTime date) {
#if DEBUG
Debug.Assert(threadCalendarInitialized);
#endif
return IsTheSameYearMonth(minSupportedDate, date);
}
private bool IsMaxSupportedYearMonth(DateTime date) {
#if DEBUG
Debug.Assert(threadCalendarInitialized);
#endif
return IsTheSameYearMonth(maxSupportedDate, date);
}
///
/// Loads a saved state of the
///
protected override void LoadViewState(object savedState) {
if (savedState != null) {
object[] myState = (object[])savedState;
if (myState[0] != null)
base.LoadViewState(myState[0]);
if (myState[1] != null)
((IStateManager)TitleStyle).LoadViewState(myState[1]);
if (myState[2] != null)
((IStateManager)NextPrevStyle).LoadViewState(myState[2]);
if (myState[3] != null)
((IStateManager)DayStyle).LoadViewState(myState[3]);
if (myState[4] != null)
((IStateManager)DayHeaderStyle).LoadViewState(myState[4]);
if (myState[5] != null)
((IStateManager)TodayDayStyle).LoadViewState(myState[5]);
if (myState[6] != null)
((IStateManager)WeekendDayStyle).LoadViewState(myState[6]);
if (myState[7] != null)
((IStateManager)OtherMonthDayStyle).LoadViewState(myState[7]);
if (myState[8] != null)
((IStateManager)SelectedDayStyle).LoadViewState(myState[8]);
if (myState[9] != null)
((IStateManager)SelectorStyle).LoadViewState(myState[9]);
ArrayList selDates = (ArrayList)ViewState["SD"];
if (selDates != null) {
dateList = selDates;
selectedDates = null; // reset wrapper collection
}
}
}
///
/// Marks the starting point to begin tracking and saving changes to the
/// control as part of the control viewstate.
///
protected override void TrackViewState() {
base.TrackViewState();
if (titleStyle != null)
((IStateManager)titleStyle).TrackViewState();
if (nextPrevStyle != null)
((IStateManager)nextPrevStyle).TrackViewState();
if (dayStyle != null)
((IStateManager)dayStyle).TrackViewState();
if (dayHeaderStyle != null)
((IStateManager)dayHeaderStyle).TrackViewState();
if (todayDayStyle != null)
((IStateManager)todayDayStyle).TrackViewState();
if (weekendDayStyle != null)
((IStateManager)weekendDayStyle).TrackViewState();
if (otherMonthDayStyle != null)
((IStateManager)otherMonthDayStyle).TrackViewState();
if (selectedDayStyle != null)
((IStateManager)selectedDayStyle).TrackViewState();
if (selectorStyle != null)
((IStateManager)selectorStyle).TrackViewState();
}
///
///
private int NumericFirstDayOfWeek() {
// Used globalized value by default
return(FirstDayOfWeek == FirstDayOfWeek.Default)
? (int) DateTimeFormatInfo.CurrentInfo.FirstDayOfWeek
: (int) FirstDayOfWeek;
}
///
/// Raises the
///
protected virtual void OnDayRender(TableCell cell, CalendarDay day) {
DayRenderEventHandler handler = (DayRenderEventHandler)Events[EventDayRender];
if (handler != null) {
int absoluteDay = day.Date.Subtract(baseDate).Days;
// VSWhidbey 215383: We return null for selectUrl if a control is not in
// the page control tree.
string selectUrl = null;
Page page = Page;
if (page != null) {
string eventArgument = absoluteDay.ToString(CultureInfo.InvariantCulture);
selectUrl = Page.ClientScript.GetPostBackClientHyperlink(this, eventArgument, true);
}
handler(this, new DayRenderEventArgs(cell, day, selectUrl));
}
}
#if SHIPPINGADAPTERS
// A wrapper to raise the SelectionChangedEvent when a date is selected
// by the user. This can be called by adapters when they have
// collected the selected date.
internal void RaiseSelectionChangedEvent() {
OnSelectionChanged();
}
#endif
///
/// Raises the
///
protected virtual void OnSelectionChanged() {
EventHandler handler = (EventHandler)Events[EventSelectionChanged];
if (handler != null) {
handler(this, EventArgs.Empty);
}
}
///
/// Raises the
///
protected virtual void OnVisibleMonthChanged(DateTime newDate, DateTime previousDate) {
MonthChangedEventHandler handler = (MonthChangedEventHandler)Events[EventVisibleMonthChanged];
if (handler != null) {
handler(this, new MonthChangedEventArgs(newDate, previousDate));
}
}
///
/// Raises events on post back for the
///
protected virtual void RaisePostBackEvent(string eventArgument) {
ValidateEvent(UniqueID, eventArgument);
if(_adapter != null) {
IPostBackEventHandler pbeh = _adapter as IPostBackEventHandler;
if (pbeh != null) {
pbeh.RaisePostBackEvent(eventArgument);
}
} else {
if (String.Compare(eventArgument, 0, NAVIGATE_MONTH_COMMAND, 0, NAVIGATE_MONTH_COMMAND.Length, StringComparison.Ordinal) == 0) {
// Month navigation. The command starts with a "V" and the remainder is day difference from the
// base date.
DateTime oldDate = VisibleDate;
if (oldDate.Equals(DateTime.MinValue)) {
oldDate = TodaysDate;
}
int newDateDiff = Int32.Parse(eventArgument.Substring(NAVIGATE_MONTH_COMMAND.Length), CultureInfo.InvariantCulture);
VisibleDate = baseDate.AddDays(newDateDiff);
if (VisibleDate == DateTime.MinValue) {
// MinValue would make the calendar shows today's month instead because it
// is the default value of VisibleDate property, so we add a day to keep
// showing the first supported month.
// We assume the first supported month has more than one day.
VisibleDate = DateTimeFormatInfo.CurrentInfo.Calendar.AddDays(VisibleDate, 1);
}
OnVisibleMonthChanged(VisibleDate, oldDate);
}
else if (String.Compare(eventArgument, 0, SELECT_RANGE_COMMAND, 0, SELECT_RANGE_COMMAND.Length, StringComparison.Ordinal) == 0) {
// Range selection. The command starts with an "R". The remainder is an integer. When divided by 100
// the result is the day difference from the base date of the first day, and the remainder is the
// number of days to select.
int rangeValue = Int32.Parse(eventArgument.Substring(SELECT_RANGE_COMMAND.Length), CultureInfo.InvariantCulture);
int dayDiff = rangeValue / 100;
int dayRange = rangeValue % 100;
if (dayRange < 1) {
dayRange = 100 + dayRange;
dayDiff -= 1;
}
DateTime dt = baseDate.AddDays(dayDiff);
SelectRange(dt, dt.AddDays(dayRange - 1));
}
else {
// Single day selection. This is just a number which is the day difference from the base date.
int dayDiff = Int32.Parse(eventArgument, CultureInfo.InvariantCulture);
DateTime dt = baseDate.AddDays(dayDiff);
SelectRange(dt, dt);
}
}
}
void IPostBackEventHandler.RaisePostBackEvent(string eventArgument) {
RaisePostBackEvent(eventArgument);
}
///
/// Displays the
///
protected internal override void Render(HtmlTextWriter writer) {
threadCalendar = DateTimeFormatInfo.CurrentInfo.Calendar;
minSupportedDate = threadCalendar.MinSupportedDateTime;
maxSupportedDate = threadCalendar.MaxSupportedDateTime;
#if DEBUG
threadCalendarInitialized = true;
#endif
DateTime visibleDate = EffectiveVisibleDate();
DateTime firstDay = FirstCalendarDay(visibleDate);
CalendarSelectionMode selectionMode = SelectionMode;
// Make sure we are in a form tag with runat=server.
if (Page != null) {
Page.VerifyRenderingInServerForm(this);
}
// We only want to display the link if we have a page, or if we are on the design surface
// If we can stops links being active on the Autoformat dialog, then we can remove this these checks.
Page page = Page;
bool buttonsActive;
if (page == null || DesignMode) {
buttonsActive = false;
}
else {
buttonsActive = IsEnabled;
}
defaultForeColor = ForeColor;
if (defaultForeColor == Color.Empty) {
defaultForeColor = DefaultForeColor;
}
defaultButtonColorText = ColorTranslator.ToHtml(defaultForeColor);
Table table = new Table();
if (ID != null) {
table.ID = ClientID;
}
table.CopyBaseAttributes(this);
if (ControlStyleCreated) {
table.ApplyStyle(ControlStyle);
}
table.Width = Width;
table.Height = Height;
table.CellPadding = CellPadding;
table.CellSpacing = CellSpacing;
// default look
if ((ControlStyleCreated == false) ||
(ControlStyle.IsSet(System.Web.UI.WebControls.Style.PROP_BORDERWIDTH) == false) ||
BorderWidth.Equals(Unit.Empty)) {
table.BorderWidth = Unit.Pixel(1);
}
if (ShowGridLines) {
table.GridLines = GridLines.Both;
}
else {
table.GridLines = GridLines.None;
}
bool useAccessibleHeader = UseAccessibleHeader;
if (useAccessibleHeader) {
if (table.Attributes["title"] == null) {
table.Attributes["title"] = SR.GetString(SR.Calendar_TitleText);
}
}
string caption = Caption;
if (caption.Length > 0) {
table.Caption = caption;
table.CaptionAlign = CaptionAlign;
}
table.RenderBeginTag(writer);
if (ShowTitle) {
RenderTitle(writer, visibleDate, selectionMode, buttonsActive, useAccessibleHeader);
}
if (ShowDayHeader) {
RenderDayHeader(writer, visibleDate, selectionMode, buttonsActive, useAccessibleHeader);
}
RenderDays(writer, firstDay, visibleDate, selectionMode, buttonsActive, useAccessibleHeader);
table.RenderEndTag(writer);
}
private void RenderCalendarCell(HtmlTextWriter writer, TableItemStyle style, string text, string title, bool hasButton, string eventArgument) {
style.AddAttributesToRender(writer, this);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
if (hasButton) {
// render the button
Color foreColor = style.ForeColor;
writer.Write("");
writer.Write(text);
writer.Write("");
}
else {
writer.Write(text);
}
writer.RenderEndTag();
}
private void RenderCalendarHeaderCell(HtmlTextWriter writer, TableItemStyle style, string text, string abbrText) {
style.AddAttributesToRender(writer, this);
writer.AddAttribute("abbr", abbrText);
writer.AddAttribute("scope", "col");
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.Write(text);
writer.RenderEndTag();
}
///
///
private void RenderDayHeader(HtmlTextWriter writer, DateTime visibleDate, CalendarSelectionMode selectionMode, bool buttonsActive, bool useAccessibleHeader) {
writer.Write(ROWBEGINTAG);
DateTimeFormatInfo dtf = DateTimeFormatInfo.CurrentInfo;
if (HasWeekSelectors(selectionMode)) {
TableItemStyle monthSelectorStyle = new TableItemStyle();
monthSelectorStyle.HorizontalAlign = HorizontalAlign.Center;
// add the month selector button if required;
if (selectionMode == CalendarSelectionMode.DayWeekMonth) {
// Range selection. The command starts with an "R". The remainder is an integer. When divided by 100
// the result is the day difference from the base date of the first day, and the remainder is the
// number of days to select.
int startOffset = visibleDate.Subtract(baseDate).Days;
int monthLength = threadCalendar.GetDaysInMonth(threadCalendar.GetYear(visibleDate), threadCalendar.GetMonth(visibleDate), threadCalendar.GetEra(visibleDate));
if (IsMinSupportedYearMonth(visibleDate)) {
// The first supported month might not start with day 1
// (e.g. Sept 8 is the first supported date of JapaneseCalendar)
monthLength = monthLength - threadCalendar.GetDayOfMonth(visibleDate) + 1;
}
else if (IsMaxSupportedYearMonth(visibleDate)) {
// The last supported month might not have all days supported in that calendar month
// (e.g. April 3 is the last supported date of HijriCalendar)
monthLength = threadCalendar.GetDayOfMonth(maxSupportedDate);
}
string monthSelectKey = SELECT_RANGE_COMMAND + ((startOffset * 100) + monthLength).ToString(CultureInfo.InvariantCulture);
monthSelectorStyle.CopyFrom(SelectorStyle);
string selectMonthTitle = null;
if (useAccessibleHeader) {
selectMonthTitle = SR.GetString(SR.Calendar_SelectMonthTitle);
}
RenderCalendarCell(writer, monthSelectorStyle, SelectMonthText, selectMonthTitle, buttonsActive, monthSelectKey);
}
else {
// otherwise make it look like the header row
monthSelectorStyle.CopyFrom(DayHeaderStyle);
RenderCalendarCell(writer, monthSelectorStyle, string.Empty, null, false, null);
}
}
TableItemStyle dayNameStyle = new TableItemStyle();
dayNameStyle.HorizontalAlign = HorizontalAlign.Center;
dayNameStyle.CopyFrom(DayHeaderStyle);
DayNameFormat dayNameFormat = DayNameFormat;
int numericFirstDay = NumericFirstDayOfWeek();
for (int i = numericFirstDay; i < numericFirstDay + 7; i++) {
string dayName;
int dayOfWeek = i % 7;
switch (dayNameFormat) {
case DayNameFormat.FirstLetter:
dayName = dtf.GetDayName((DayOfWeek)dayOfWeek).Substring(0, 1);
break;
case DayNameFormat.FirstTwoLetters:
dayName = dtf.GetDayName((DayOfWeek)dayOfWeek).Substring(0, 2);
break;
case DayNameFormat.Full:
dayName = dtf.GetDayName((DayOfWeek)dayOfWeek);
break;
case DayNameFormat.Short:
dayName = dtf.GetAbbreviatedDayName((DayOfWeek)dayOfWeek);
break;
case DayNameFormat.Shortest:
dayName = dtf.GetShortestDayName((DayOfWeek)dayOfWeek);
break;
default:
Debug.Assert(false, "Unknown DayNameFormat value!");
goto case DayNameFormat.Short;
}
if (useAccessibleHeader) {
string fullDayName = dtf.GetDayName((DayOfWeek)dayOfWeek);
RenderCalendarHeaderCell(writer, dayNameStyle, dayName, fullDayName);
}
else {
RenderCalendarCell(writer, dayNameStyle, dayName, null, false, null);
}
}
writer.Write(ROWENDTAG);
}
///
///
private void RenderDays(HtmlTextWriter writer, DateTime firstDay, DateTime visibleDate, CalendarSelectionMode selectionMode, bool buttonsActive, bool useAccessibleHeader) {
// Now add the rows for the actual days
DateTime d = firstDay;
TableItemStyle weekSelectorStyle = null;
Unit defaultWidth;
bool hasWeekSelectors = HasWeekSelectors(selectionMode);
if (hasWeekSelectors) {
weekSelectorStyle = new TableItemStyle();
weekSelectorStyle.Width = Unit.Percentage(12);
weekSelectorStyle.HorizontalAlign = HorizontalAlign.Center;
weekSelectorStyle.CopyFrom(SelectorStyle);
defaultWidth = Unit.Percentage(12);
}
else {
defaultWidth = Unit.Percentage(14);
}
// This determines whether we need to call DateTime.ToString for each day. The only culture/calendar
// that requires this for now is the HebrewCalendar.
bool usesStandardDayDigits = !(threadCalendar is HebrewCalendar);
// This determines whether we can write out cells directly, or whether we have to create whole
// TableCell objects for each day.
bool hasRenderEvent = (this.GetType() != typeof(Calendar)
|| Events[EventDayRender] != null);
TableItemStyle [] cellStyles = new TableItemStyle[16];
int definedStyleMask = GetDefinedStyleMask();
DateTime todaysDate = TodaysDate;
string selectWeekText = SelectWeekText;
bool daysSelectable = buttonsActive && (selectionMode != CalendarSelectionMode.None);
int visibleDateMonth = threadCalendar.GetMonth(visibleDate);
int absoluteDay = firstDay.Subtract(baseDate).Days;
// VSWhidbey 480155: flag to indicate if forecolor needs to be set
// explicitly in design mode to mimic runtime rendering with the
// limitation of not supporting CSS class color setting.
bool inDesignSelectionMode = (DesignMode && SelectionMode != CalendarSelectionMode.None);
//-----------------------------------------------------------------
// VSWhidbey 366243: The following variables are for boundary cases
// such as the current visible month is the first or the last
// supported month. They are used in the 'for' loops below.
// For the first supported month, calculate how many days to
// skip at the beginning of the first month. E.g. JapaneseCalendar
// starts at Sept 8.
int numOfFirstDaysToSkip = 0;
if (IsMinSupportedYearMonth(visibleDate)) {
numOfFirstDaysToSkip = (int)threadCalendar.GetDayOfWeek(firstDay) - NumericFirstDayOfWeek();
// If negative, it simply means the the index of the starting
// day name is greater than the day name of the first supported
// date. We add back 7 to get the number of days to skip.
if (numOfFirstDaysToSkip < 0) {
numOfFirstDaysToSkip += 7;
}
}
Debug.Assert(numOfFirstDaysToSkip < 7);
// For the last or second last supported month, initialize variables
// to identify the last supported date of the current calendar.
// e.g. The last supported date of HijriCalendar is April 3. When
// the second last monthh is shown, it can be the case that not all
// cells will be filled up.
bool passedLastSupportedDate = false;
DateTime secondLastMonth = threadCalendar.AddMonths(maxSupportedDate, -1);
bool lastOrSecondLastMonth = (IsMaxSupportedYearMonth(visibleDate) ||
IsTheSameYearMonth(secondLastMonth, visibleDate));
//-----------------------------------------------------------------
for (int iRow = 0; iRow < 6; iRow++) {
if (passedLastSupportedDate) {
break;
}
writer.Write(ROWBEGINTAG);
// add week selector column and button if required
if (hasWeekSelectors) {
// Range selection. The command starts with an "R". The remainder is an integer. When divided by 100
// the result is the day difference from the base date of the first day, and the remainder is the
// number of days to select.
int dayDiffParameter = (absoluteDay * 100) + 7;
// Adjust the dayDiff for the first or the last supported month
if (numOfFirstDaysToSkip > 0) {
dayDiffParameter -= numOfFirstDaysToSkip;
}
else if (lastOrSecondLastMonth) {
int daysFromLastDate = maxSupportedDate.Subtract(d).Days;
if (daysFromLastDate < 6) {
dayDiffParameter -= (6 - daysFromLastDate);
}
}
string weekSelectKey = SELECT_RANGE_COMMAND + dayDiffParameter.ToString(CultureInfo.InvariantCulture);
string selectWeekTitle = null;
if (useAccessibleHeader) {
int weekOfMonth = iRow + 1;
selectWeekTitle = SR.GetString(SR.Calendar_SelectWeekTitle, weekOfMonth.ToString(CultureInfo.InvariantCulture));
}
RenderCalendarCell(writer, weekSelectorStyle, selectWeekText, selectWeekTitle, buttonsActive, weekSelectKey);
}
for (int iDay = 0; iDay < 7; iDay++) {
// Render empty cells for special cases to handle the first
// or last supported month.
if (numOfFirstDaysToSkip > 0) {
iDay += numOfFirstDaysToSkip;
for ( ; numOfFirstDaysToSkip > 0; numOfFirstDaysToSkip--) {
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag();
}
}
else if (passedLastSupportedDate) {
for ( ; iDay < 7; iDay++) {
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag();
}
break;
}
int dayOfWeek = (int)threadCalendar.GetDayOfWeek(d);
int dayOfMonth = threadCalendar.GetDayOfMonth(d);
string dayNumberText;
if ((dayOfMonth <= cachedNumberMax) && usesStandardDayDigits) {
dayNumberText = cachedNumbers[dayOfMonth];
}
else {
dayNumberText = d.ToString("dd", CultureInfo.CurrentCulture);
}
CalendarDay day = new CalendarDay(d,
(dayOfWeek == 0 || dayOfWeek == 6), // IsWeekend
d.Equals(todaysDate), // IsToday
(selectedDates != null) && selectedDates.Contains(d), // IsSelected
threadCalendar.GetMonth(d) != visibleDateMonth, // IsOtherMonth
dayNumberText // Number Text
);
int styleMask = STYLEMASK_DAY;
if (day.IsSelected)
styleMask |= STYLEMASK_SELECTED;
if (day.IsOtherMonth)
styleMask |= STYLEMASK_OTHERMONTH;
if (day.IsToday)
styleMask |= STYLEMASK_TODAY;
if (day.IsWeekend)
styleMask |= STYLEMASK_WEEKEND;
int dayStyleMask = definedStyleMask & styleMask;
// determine the unique portion of the mask for the current calendar,
// which will strip out the day style bit
int dayStyleID = dayStyleMask & STYLEMASK_UNIQUE;
TableItemStyle cellStyle = cellStyles[dayStyleID];
if (cellStyle == null) {
cellStyle = new TableItemStyle();
SetDayStyles(cellStyle, dayStyleMask, defaultWidth);
cellStyles[dayStyleID] = cellStyle;
}
string dayTitle = null;
if (useAccessibleHeader) {
dayTitle = d.ToString("m", CultureInfo.CurrentCulture);
}
if (hasRenderEvent) {
TableCell cdc = new TableCell();
cdc.ApplyStyle(cellStyle);
LiteralControl dayContent = new LiteralControl(dayNumberText);
cdc.Controls.Add(dayContent);
day.IsSelectable = daysSelectable;
OnDayRender(cdc, day);
// refresh the day content
dayContent.Text = GetCalendarButtonText(absoluteDay.ToString(CultureInfo.InvariantCulture),
dayNumberText,
dayTitle,
buttonsActive && day.IsSelectable,
cdc.ForeColor);
cdc.RenderControl(writer);
}
else {
// VSWhidbey 480155: In design mode we render days as
// texts instead of links so CSS class color setting is
// supported. But this differs in runtime rendering
// where CSS class color setting is not supported. To
// correctly mimic the forecolor of runtime rendering in
// design time, the default color, which is used in
// runtime rendering, is explicitly set in this case.
if (inDesignSelectionMode && cellStyle.ForeColor.IsEmpty) {
cellStyle.ForeColor = defaultForeColor;
}
RenderCalendarCell(writer, cellStyle, dayNumberText, dayTitle, daysSelectable, absoluteDay.ToString(CultureInfo.InvariantCulture));
}
Debug.Assert(!passedLastSupportedDate);
if (lastOrSecondLastMonth && d.Month == maxSupportedDate.Month && d.Day == maxSupportedDate.Day) {
passedLastSupportedDate = true;
}
else {
d = threadCalendar.AddDays(d, 1);
absoluteDay++;
}
}
writer.Write(ROWENDTAG);
}
}
///
///
private void RenderTitle(HtmlTextWriter writer, DateTime visibleDate, CalendarSelectionMode selectionMode, bool buttonsActive, bool useAccessibleHeader) {
writer.Write(ROWBEGINTAG);
TableCell titleCell = new TableCell();
Table titleTable = new Table();
// default title table/cell styles
titleCell.ColumnSpan = HasWeekSelectors(selectionMode) ? 8 : 7;
titleCell.BackColor = Color.Silver;
titleTable.GridLines = GridLines.None;
titleTable.Width = Unit.Percentage(100);
titleTable.CellSpacing = 0;
TableItemStyle titleStyle = TitleStyle;
ApplyTitleStyle(titleCell, titleTable, titleStyle);
titleCell.RenderBeginTag(writer);
titleTable.RenderBeginTag(writer);
writer.Write(ROWBEGINTAG);
NextPrevFormat nextPrevFormat = NextPrevFormat;
TableItemStyle nextPrevStyle = new TableItemStyle();
nextPrevStyle.Width = Unit.Percentage(15);
nextPrevStyle.CopyFrom(NextPrevStyle);
if (ShowNextPrevMonth) {
if (IsMinSupportedYearMonth(visibleDate)) {
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag();
}
else {
string prevMonthText;
if (nextPrevFormat == NextPrevFormat.ShortMonth || nextPrevFormat == NextPrevFormat.FullMonth) {
int monthNo = threadCalendar.GetMonth(threadCalendar.AddMonths(visibleDate, - 1));
prevMonthText = GetMonthName(monthNo, (nextPrevFormat == NextPrevFormat.FullMonth));
}
else {
prevMonthText = PrevMonthText;
}
// Month navigation. The command starts with a "V" and the remainder is day difference from the
// base date.
DateTime prevMonthDate;
// VSWhidbey 366243: Some calendar's min supported date is
// not the first day of the month (e.g. JapaneseCalendar.
// So if we are setting the second supported month, the prev
// month link should always point to the first supported
// date instead of the first day of the previous month.
DateTime secondSupportedMonth = threadCalendar.AddMonths(minSupportedDate, 1);
if (IsTheSameYearMonth(secondSupportedMonth, visibleDate)) {
prevMonthDate = minSupportedDate;
}
else {
prevMonthDate = threadCalendar.AddMonths(visibleDate, -1);
}
string prevMonthKey = NAVIGATE_MONTH_COMMAND + (prevMonthDate.Subtract(baseDate)).Days.ToString(CultureInfo.InvariantCulture);
string previousMonthTitle = null;
if (useAccessibleHeader) {
previousMonthTitle = SR.GetString(SR.Calendar_PreviousMonthTitle);
}
RenderCalendarCell(writer, nextPrevStyle, prevMonthText, previousMonthTitle, buttonsActive, prevMonthKey);
}
}
TableItemStyle cellMainStyle = new TableItemStyle();
if (titleStyle.HorizontalAlign != HorizontalAlign.NotSet) {
cellMainStyle.HorizontalAlign = titleStyle.HorizontalAlign;
}
else {
cellMainStyle.HorizontalAlign = HorizontalAlign.Center;
}
cellMainStyle.Wrap = titleStyle.Wrap;
cellMainStyle.Width = Unit.Percentage(70);
string titleText;
switch (TitleFormat) {
case TitleFormat.Month:
titleText = visibleDate.ToString("MMMM", CultureInfo.CurrentCulture);
break;
case TitleFormat.MonthYear:
string titlePattern = DateTimeFormatInfo.CurrentInfo.YearMonthPattern;
// Some cultures have a comma in their YearMonthPattern, which does not look
// right in a calendar. Use a fixed pattern for those.
if (titlePattern.IndexOf(',') >= 0) {
titlePattern = "MMMM yyyy";
}
titleText = visibleDate.ToString(titlePattern, CultureInfo.CurrentCulture);
break;
default:
Debug.Assert(false, "Unknown TitleFormat value!");
goto case TitleFormat.MonthYear;
}
RenderCalendarCell(writer, cellMainStyle, titleText, null, false, null);
if (ShowNextPrevMonth) {
if (IsMaxSupportedYearMonth(visibleDate)) {
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag();
}
else {
// Style for this one is identical bar
nextPrevStyle.HorizontalAlign = HorizontalAlign.Right;
string nextMonthText;
if (nextPrevFormat == NextPrevFormat.ShortMonth || nextPrevFormat == NextPrevFormat.FullMonth) {
int monthNo = threadCalendar.GetMonth(threadCalendar.AddMonths(visibleDate, 1));
nextMonthText = GetMonthName(monthNo, (nextPrevFormat == NextPrevFormat.FullMonth));
}
else {
nextMonthText = NextMonthText;
}
// Month navigation. The command starts with a "V" and the remainder is day difference from the
// base date.
DateTime nextMonthDate = threadCalendar.AddMonths(visibleDate, 1);
string nextMonthKey = NAVIGATE_MONTH_COMMAND + (nextMonthDate.Subtract(baseDate)).Days.ToString(CultureInfo.InvariantCulture);
string nextMonthTitle = null;
if (useAccessibleHeader) {
nextMonthTitle = SR.GetString(SR.Calendar_NextMonthTitle);
}
RenderCalendarCell(writer, nextPrevStyle, nextMonthText, nextMonthTitle, buttonsActive, nextMonthKey);
}
}
writer.Write(ROWENDTAG);
titleTable.RenderEndTag(writer);
titleCell.RenderEndTag(writer);
writer.Write(ROWENDTAG);
}
///
/// Stores the state of the System.Web.UI.WebControls.Calender.
///
protected override object SaveViewState() {
if (SelectedDates.Count > 0)
ViewState["SD"] = dateList;
object[] myState = new object[10];
myState[0] = base.SaveViewState();
myState[1] = (titleStyle != null) ? ((IStateManager)titleStyle).SaveViewState() : null;
myState[2] = (nextPrevStyle != null) ? ((IStateManager)nextPrevStyle).SaveViewState() : null;
myState[3] = (dayStyle != null) ? ((IStateManager)dayStyle).SaveViewState() : null;
myState[4] = (dayHeaderStyle != null) ? ((IStateManager)dayHeaderStyle).SaveViewState() : null;
myState[5] = (todayDayStyle != null) ? ((IStateManager)todayDayStyle).SaveViewState() : null;
myState[6] = (weekendDayStyle != null) ? ((IStateManager)weekendDayStyle).SaveViewState() : null;
myState[7] = (otherMonthDayStyle != null) ? ((IStateManager)otherMonthDayStyle).SaveViewState() : null;
myState[8] = (selectedDayStyle != null) ? ((IStateManager)selectedDayStyle).SaveViewState() : null;
myState[9] = (selectorStyle != null) ? ((IStateManager)selectorStyle).SaveViewState() : null;
for (int i = 0; i
///
private void SetDayStyles(TableItemStyle style, int styleMask, Unit defaultWidth) {
// default day styles
style.Width = defaultWidth;
style.HorizontalAlign = HorizontalAlign.Center;
if ((styleMask & STYLEMASK_DAY) != 0) {
style.CopyFrom(DayStyle);
}
if ((styleMask & STYLEMASK_WEEKEND) != 0) {
style.CopyFrom(WeekendDayStyle);
}
if ((styleMask & STYLEMASK_OTHERMONTH) != 0) {
style.CopyFrom(OtherMonthDayStyle);
}
if ((styleMask & STYLEMASK_TODAY) != 0) {
style.CopyFrom(TodayDayStyle);
}
if ((styleMask & STYLEMASK_SELECTED) != 0) {
// default selected day style
style.ForeColor = Color.White;
style.BackColor = Color.Silver;
style.CopyFrom(SelectedDayStyle);
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System.Threading;
using System.Globalization;
using System.ComponentModel;
using System;
using System.Web;
using System.Web.UI;
using System.Web.Util;
using System.Collections;
using System.ComponentModel.Design;
using System.Drawing;
using System.Text;
using System.IO;
using System.Reflection;
using System.Security.Permissions;
///
/// Displays a one-month calendar and allows the user to
/// view and select a specific day, week, or month.
///
[
ControlValueProperty("SelectedDate", typeof(DateTime), "1/1/0001"),
DataBindingHandler("System.Web.UI.Design.WebControls.CalendarDataBindingHandler, " + AssemblyRef.SystemDesign),
DefaultEvent("SelectionChanged"),
DefaultProperty("SelectedDate"),
Designer("System.Web.UI.Design.WebControls.CalendarDesigner, " + AssemblyRef.SystemDesign),
SupportsEventValidation
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class Calendar : WebControl, IPostBackEventHandler {
private static readonly object EventDayRender = new object();
private static readonly object EventSelectionChanged = new object();
private static readonly object EventVisibleMonthChanged = new object();
private TableItemStyle titleStyle;
private TableItemStyle nextPrevStyle;
private TableItemStyle dayHeaderStyle;
private TableItemStyle selectorStyle;
private TableItemStyle dayStyle;
private TableItemStyle otherMonthDayStyle;
private TableItemStyle todayDayStyle;
private TableItemStyle selectedDayStyle;
private TableItemStyle weekendDayStyle;
private string defaultButtonColorText;
private static readonly Color DefaultForeColor = Color.Black;
private Color defaultForeColor;
private ArrayList dateList;
private SelectedDatesCollection selectedDates;
private Globalization.Calendar threadCalendar;
private DateTime minSupportedDate;
private DateTime maxSupportedDate;
#if DEBUG
private bool threadCalendarInitialized;
#endif
private const string SELECT_RANGE_COMMAND = "R";
private const string NAVIGATE_MONTH_COMMAND = "V";
private static DateTime baseDate = new DateTime(2000, 1, 1);
private const int STYLEMASK_DAY = 16;
private const int STYLEMASK_UNIQUE = 15;
private const int STYLEMASK_SELECTED = 8;
private const int STYLEMASK_TODAY = 4;
private const int STYLEMASK_OTHERMONTH = 2;
private const int STYLEMASK_WEEKEND = 1;
private const string ROWBEGINTAG = "";
private const string ROWENDTAG = " ";
// Cache commonly used strings. This improves performance and memory usage.
private const int cachedNumberMax = 31;
private static readonly string[] cachedNumbers = new string [] {
"0", "1", "2", "3", "4", "5", "6",
"7", "8", "9", "10", "11", "12", "13",
"14", "15", "16", "17", "18", "19", "20",
"21", "22", "23", "24", "25", "26", "27",
"28", "29", "30", "31",
};
///
/// Initializes a new instance of the
///
public Calendar() : base(HtmlTextWriterTag.Table) {
}
[
Localizable(true),
DefaultValue(""),
WebCategory("Accessibility"),
WebSysDescription(SR.Calendar_Caption)
]
public virtual string Caption {
get {
string s = (string)ViewState["Caption"];
return (s != null) ? s : String.Empty;
}
set {
ViewState["Caption"] = value;
}
}
[
DefaultValue(TableCaptionAlign.NotSet),
WebCategory("Accessibility"),
WebSysDescription(SR.WebControl_CaptionAlign)
]
public virtual TableCaptionAlign CaptionAlign {
get {
object o = ViewState["CaptionAlign"];
return (o != null) ? (TableCaptionAlign)o : TableCaptionAlign.NotSet;
}
set {
if ((value < TableCaptionAlign.NotSet) ||
(value > TableCaptionAlign.Right)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["CaptionAlign"] = value;
}
}
///
/// Gets or sets the amount of space between cells.
///
[
WebCategory("Layout"),
DefaultValue(2),
WebSysDescription(SR.Calendar_CellPadding)
]
public int CellPadding {
get {
object o = ViewState["CellPadding"];
return((o == null) ? 2 : (int)o);
}
set {
if (value < - 1 ) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["CellPadding"] = value;
}
}
///
/// Gets or sets the amount of space between the contents of a cell
/// and the cell's border.
///
[
WebCategory("Layout"),
DefaultValue(0),
WebSysDescription(SR.Calendar_CellSpacing)
]
public int CellSpacing {
get {
object o = ViewState["CellSpacing"];
return((o == null) ? 0 : (int)o);
}
set {
if (value < -1 ) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["CellSpacing"] = (int)value;
}
}
///
/// Gets the style property of the day-of-the-week header. This property is read-only.
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_DayHeaderStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle DayHeaderStyle {
get {
if (dayHeaderStyle == null) {
dayHeaderStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)dayHeaderStyle).TrackViewState();
}
return dayHeaderStyle;
}
}
///
/// Gets or sets
/// the format for the names of days.
///
[
WebCategory("Appearance"),
DefaultValue(DayNameFormat.Short),
WebSysDescription(SR.Calendar_DayNameFormat)
]
public DayNameFormat DayNameFormat {
get {
object dnf = ViewState["DayNameFormat"];
return((dnf == null) ? DayNameFormat.Short : (DayNameFormat)dnf);
}
set {
if (value < DayNameFormat.Full || value > DayNameFormat.Shortest) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["DayNameFormat"] = value;
}
}
///
/// Gets the style properties for the days. This property is read-only.
///
[
WebCategory("Styles"),
DefaultValue(null),
WebSysDescription(SR.Calendar_DayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle DayStyle {
get {
if (dayStyle == null) {
dayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)dayStyle).TrackViewState();
}
return dayStyle;
}
}
///
/// Gets
/// or sets the day of the week to display in the calendar's first
/// column.
///
[
WebCategory("Appearance"),
DefaultValue(FirstDayOfWeek.Default),
WebSysDescription(SR.Calendar_FirstDayOfWeek)
]
public FirstDayOfWeek FirstDayOfWeek {
get {
object o = ViewState["FirstDayOfWeek"];
return((o == null) ? FirstDayOfWeek.Default : (FirstDayOfWeek)o);
}
set {
if (value < FirstDayOfWeek.Sunday || value > FirstDayOfWeek.Default) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["FirstDayOfWeek"] = value;
}
}
///
/// Gets or sets the text shown for the next month
/// navigation hyperlink if the
///
[
Localizable(true),
WebCategory("Appearance"),
DefaultValue(">"),
WebSysDescription(SR.Calendar_NextMonthText)
]
public string NextMonthText {
get {
object s = ViewState["NextMonthText"];
return((s == null) ? ">" : (String) s);
}
set {
ViewState["NextMonthText"] = value;
}
}
///
/// Gets or sets the format of the next and previous month hyperlinks in the
/// title.
///
[
WebCategory("Appearance"),
DefaultValue(NextPrevFormat.CustomText),
WebSysDescription(SR.Calendar_NextPrevFormat)
]
public NextPrevFormat NextPrevFormat {
get {
object npf = ViewState["NextPrevFormat"];
return((npf == null) ? NextPrevFormat.CustomText : (NextPrevFormat)npf);
}
set {
if (value < NextPrevFormat.CustomText || value > NextPrevFormat.FullMonth) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["NextPrevFormat"] = value;
}
}
///
/// Gets the style properties for the next/previous month navigators. This property is
/// read-only.
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_NextPrevStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle NextPrevStyle {
get {
if (nextPrevStyle == null) {
nextPrevStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)nextPrevStyle).TrackViewState();
}
return nextPrevStyle;
}
}
///
/// Gets the style properties for the days from the months preceding and following the current month.
/// This property is read-only.
///
[
WebCategory("Styles"),
DefaultValue(null),
WebSysDescription(SR.Calendar_OtherMonthDayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle OtherMonthDayStyle {
get {
if (otherMonthDayStyle == null) {
otherMonthDayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)otherMonthDayStyle).TrackViewState();
}
return otherMonthDayStyle;
}
}
///
/// Gets or sets the text shown for the previous month
/// navigation hyperlink if the
///
[
Localizable(true),
WebCategory("Appearance"),
DefaultValue("<"),
WebSysDescription(SR.Calendar_PrevMonthText)
]
public string PrevMonthText {
get {
object s = ViewState["PrevMonthText"];
return((s == null) ? "<" : (String) s);
}
set {
ViewState["PrevMonthText"] = value;
}
}
///
/// Gets or sets the date that is currently selected
/// date.
///
[
Bindable(true, BindingDirection.TwoWay),
DefaultValue(typeof(DateTime), "1/1/0001"),
WebSysDescription(SR.Calendar_SelectedDate)
]
public DateTime SelectedDate {
get {
if (SelectedDates.Count == 0) {
return DateTime.MinValue;
}
return SelectedDates[0];
}
set {
if (value == DateTime.MinValue) {
SelectedDates.Clear();
}
else {
SelectedDates.SelectRange(value, value);
}
}
}
///
/// Gets a collection of
///
[
Browsable(false),
WebSysDescription(SR.Calendar_SelectedDates),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public SelectedDatesCollection SelectedDates {
get {
if (selectedDates == null) {
if (dateList == null) {
dateList = new ArrayList();
}
selectedDates = new SelectedDatesCollection(dateList);
}
return selectedDates;
}
}
///
/// Gets the style properties for the selected date. This property is read-only.
///
[
WebCategory("Styles"),
DefaultValue(null),
WebSysDescription(SR.Calendar_SelectedDayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle SelectedDayStyle {
get {
if (selectedDayStyle == null) {
selectedDayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)selectedDayStyle).TrackViewState();
}
return selectedDayStyle;
}
}
///
/// Gets or sets the date selection capabilities on the
///
///
[
WebCategory("Behavior"),
DefaultValue(CalendarSelectionMode.Day),
WebSysDescription(SR.Calendar_SelectionMode)
]
public CalendarSelectionMode SelectionMode {
get {
object csm = ViewState["SelectionMode"];
return((csm == null) ? CalendarSelectionMode.Day : (CalendarSelectionMode)csm);
}
set {
if (value < CalendarSelectionMode.None || value > CalendarSelectionMode.DayWeekMonth) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["SelectionMode"] = value;
}
}
///
/// Gets or sets the text shown for the month selection in
/// the selector column if
///
[
Localizable(true),
WebCategory("Appearance"),
DefaultValue(">>"),
WebSysDescription(SR.Calendar_SelectMonthText)
]
public string SelectMonthText {
get {
object s = ViewState["SelectMonthText"];
return((s == null) ? ">>" : (String) s);
}
set {
ViewState["SelectMonthText"] = value;
}
}
///
/// Gets the style properties for the week and month selectors. This property is read-only.
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_SelectorStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle SelectorStyle {
get {
if (selectorStyle == null) {
selectorStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)selectorStyle).TrackViewState();
}
return selectorStyle;
}
}
///
/// Gets or sets the text shown for the week selection in
/// the selector column if
///
[
Localizable(true),
WebCategory("Appearance"),
DefaultValue(">"),
WebSysDescription(SR.Calendar_SelectWeekText)
]
public string SelectWeekText {
get {
object s = ViewState["SelectWeekText"];
return((s == null) ? ">" : (String) s);
}
set {
ViewState["SelectWeekText"] = value;
}
}
///
/// Gets or sets
/// a value indicating whether the days of the week are displayed.
///
[
WebCategory("Appearance"),
DefaultValue(true),
WebSysDescription(SR.Calendar_ShowDayHeader)
]
public bool ShowDayHeader {
get {
object b = ViewState["ShowDayHeader"];
return((b == null) ? true : (bool)b);
}
set {
ViewState["ShowDayHeader"] = value;
}
}
///
/// Gets or set
/// a value indicating whether days on the calendar are displayed with a border.
///
[
WebCategory("Appearance"),
DefaultValue(false),
WebSysDescription(SR.Calendar_ShowGridLines)
]
public bool ShowGridLines {
get {
object b= ViewState["ShowGridLines"];
return((b == null) ? false : (bool)b);
}
set {
ViewState["ShowGridLines"] = value;
}
}
///
/// Gets or sets a value indicating whether the
///
[
WebCategory("Appearance"),
DefaultValue(true),
WebSysDescription(SR.Calendar_ShowNextPrevMonth)
]
public bool ShowNextPrevMonth {
get {
object b = ViewState["ShowNextPrevMonth"];
return((b == null) ? true : (bool)b);
}
set {
ViewState["ShowNextPrevMonth"] = value;
}
}
///
/// Gets or
/// sets a value indicating whether the title is displayed.
///
[
WebCategory("Appearance"),
DefaultValue(true),
WebSysDescription(SR.Calendar_ShowTitle)
]
public bool ShowTitle {
get {
object b = ViewState["ShowTitle"];
return((b == null) ? true : (bool)b);
}
set {
ViewState["ShowTitle"] = value;
}
}
///
/// Gets or sets how the month name is formatted in the title
/// bar.
///
[
WebCategory("Appearance"),
DefaultValue(TitleFormat.MonthYear),
WebSysDescription(SR.Calendar_TitleFormat)
]
public TitleFormat TitleFormat {
get {
object tf = ViewState["TitleFormat"];
return((tf == null) ? TitleFormat.MonthYear : (TitleFormat)tf);
}
set {
if (value < TitleFormat.Month || value > TitleFormat.MonthYear) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["TitleFormat"] = value;
}
}
///
/// Gets the style properties of the
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_TitleStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
]
public TableItemStyle TitleStyle {
get {
if (titleStyle == null) {
titleStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)titleStyle).TrackViewState();
}
return titleStyle;
}
}
///
/// Gets the style properties for today's date on the
///
///
[
WebCategory("Styles"),
DefaultValue(null),
WebSysDescription(SR.Calendar_TodayDayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle TodayDayStyle {
get {
if (todayDayStyle == null) {
todayDayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)todayDayStyle).TrackViewState();
}
return todayDayStyle;
}
}
///
/// Gets or sets the value to use as today's date.
///
[
Browsable(false),
WebSysDescription(SR.Calendar_TodaysDate),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public DateTime TodaysDate {
get {
object o = ViewState["TodaysDate"];
return((o == null) ? DateTime.Today : (DateTime)o);
}
set {
ViewState["TodaysDate"] = value.Date;
}
}
[
DefaultValue(true),
WebCategory("Accessibility"),
WebSysDescription(SR.Table_UseAccessibleHeader)
]
public virtual bool UseAccessibleHeader {
get {
object o = ViewState["UseAccessibleHeader"];
return (o != null) ? (bool)o : true;
}
set {
ViewState["UseAccessibleHeader"] = value;
}
}
///
/// Gets or sets the date that specifies what month to display. The date can be
/// be any date within the month.
///
[
Bindable(true),
DefaultValue(typeof(DateTime), "1/1/0001"),
WebSysDescription(SR.Calendar_VisibleDate)
]
public DateTime VisibleDate {
get {
object o = ViewState["VisibleDate"];
return((o == null) ? DateTime.MinValue : (DateTime)o);
}
set {
ViewState["VisibleDate"] = value.Date;
}
}
///
/// Gets the style properties for the displaying weekend dates. This property is
/// read-only.
///
[
WebCategory("Styles"),
WebSysDescription(SR.Calendar_WeekendDayStyle),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty)
]
public TableItemStyle WeekendDayStyle {
get {
if (weekendDayStyle == null) {
weekendDayStyle = new TableItemStyle();
if (IsTrackingViewState)
((IStateManager)weekendDayStyle).TrackViewState();
}
return weekendDayStyle;
}
}
///
/// Occurs when each day is created in teh control hierarchy for the
///
[
WebCategory("Action"),
WebSysDescription(SR.Calendar_OnDayRender)
]
public event DayRenderEventHandler DayRender {
add {
Events.AddHandler(EventDayRender, value);
}
remove {
Events.RemoveHandler(EventDayRender, value);
}
}
///
/// Occurs when the user clicks on a day, week, or month
/// selector and changes the
///
[
WebCategory("Action"),
WebSysDescription(SR.Calendar_OnSelectionChanged)
]
public event EventHandler SelectionChanged {
add {
Events.AddHandler(EventSelectionChanged, value);
}
remove {
Events.RemoveHandler(EventSelectionChanged, value);
}
}
///
/// Occurs when the
/// user clicks on the next or previous month
///
[
WebCategory("Action"),
WebSysDescription(SR.Calendar_OnVisibleMonthChanged)
]
public event MonthChangedEventHandler VisibleMonthChanged {
add {
Events.AddHandler(EventVisibleMonthChanged, value);
}
remove {
Events.RemoveHandler(EventVisibleMonthChanged, value);
}
}
// Methods
///
///
private void ApplyTitleStyle(TableCell titleCell, Table titleTable, TableItemStyle titleStyle) {
// apply affects that affect the whole background to the cell
if (titleStyle.BackColor != Color.Empty) {
titleCell.BackColor = titleStyle.BackColor;
}
if (titleStyle.BorderColor != Color.Empty) {
titleCell.BorderColor = titleStyle.BorderColor;
}
if (titleStyle.BorderWidth != Unit.Empty) {
titleCell.BorderWidth= titleStyle.BorderWidth;
}
if (titleStyle.BorderStyle != BorderStyle.NotSet) {
titleCell.BorderStyle = titleStyle.BorderStyle;
}
if (titleStyle.Height != Unit.Empty) {
titleCell.Height = titleStyle.Height;
}
if (titleStyle.VerticalAlign != VerticalAlign.NotSet) {
titleCell.VerticalAlign = titleStyle.VerticalAlign;
}
// apply affects that affect everything else to the table
if (titleStyle.CssClass.Length > 0) {
titleTable.CssClass = titleStyle.CssClass;
}
else if (CssClass.Length > 0) {
titleTable.CssClass = CssClass;
}
if (titleStyle.ForeColor != Color.Empty) {
titleTable.ForeColor = titleStyle.ForeColor;
}
else if (ForeColor != Color.Empty) {
titleTable.ForeColor = ForeColor;
}
titleTable.Font.CopyFrom(titleStyle.Font);
titleTable.Font.MergeWith(this.Font);
}
///
///
protected override ControlCollection CreateControlCollection() {
return new InternalControlCollection(this);
}
///
///
private DateTime EffectiveVisibleDate() {
DateTime visDate = VisibleDate;
if (visDate.Equals(DateTime.MinValue)) {
visDate = TodaysDate;
}
// VSWhidbey 366243
if (IsMinSupportedYearMonth(visDate)) {
return minSupportedDate;
}
else {
return threadCalendar.AddDays(visDate, -(threadCalendar.GetDayOfMonth(visDate) - 1));
}
}
///
///
private DateTime FirstCalendarDay(DateTime visibleDate) {
DateTime firstDayOfMonth = visibleDate;
// VSWhidbey 366243
if (IsMinSupportedYearMonth(firstDayOfMonth)) {
return firstDayOfMonth;
}
int daysFromLastMonth = ((int)threadCalendar.GetDayOfWeek(firstDayOfMonth)) - NumericFirstDayOfWeek();
// Always display at least one day from the previous month
if (daysFromLastMonth <= 0) {
daysFromLastMonth += 7;
}
return threadCalendar.AddDays(firstDayOfMonth, -daysFromLastMonth);
}
///
///
private string GetCalendarButtonText(string eventArgument, string buttonText, string title, bool showLink, Color foreColor) {
if (showLink) {
StringBuilder sb = new StringBuilder();
sb.Append("");
sb.Append(buttonText);
sb.Append("");
return sb.ToString();
}
else {
return buttonText;
}
}
///
///
private int GetDefinedStyleMask() {
// Selected is always defined because it has default effects
int styleMask = STYLEMASK_SELECTED;
if (dayStyle != null && !dayStyle.IsEmpty)
styleMask |= STYLEMASK_DAY;
if (todayDayStyle != null && !todayDayStyle.IsEmpty)
styleMask |= STYLEMASK_TODAY;
if (otherMonthDayStyle != null && !otherMonthDayStyle.IsEmpty)
styleMask |= STYLEMASK_OTHERMONTH;
if (weekendDayStyle != null && !weekendDayStyle.IsEmpty)
styleMask |= STYLEMASK_WEEKEND;
return styleMask;
}
///
///
private string GetMonthName(int m, bool bFull) {
if (bFull) {
return DateTimeFormatInfo.CurrentInfo.GetMonthName(m);
}
else {
return DateTimeFormatInfo.CurrentInfo.GetAbbreviatedMonthName(m);
}
}
///
/// Determines if a
///
protected bool HasWeekSelectors(CalendarSelectionMode selectionMode) {
return(selectionMode == CalendarSelectionMode.DayWeek
|| selectionMode == CalendarSelectionMode.DayWeekMonth);
}
private bool IsTheSameYearMonth(DateTime date1, DateTime date2) {
#if DEBUG
Debug.Assert(threadCalendarInitialized);
#endif
return (threadCalendar.GetEra(date1) == threadCalendar.GetEra(date2) &&
threadCalendar.GetYear(date1) == threadCalendar.GetYear(date2) &&
threadCalendar.GetMonth(date1) == threadCalendar.GetMonth(date2));
}
private bool IsMinSupportedYearMonth(DateTime date) {
#if DEBUG
Debug.Assert(threadCalendarInitialized);
#endif
return IsTheSameYearMonth(minSupportedDate, date);
}
private bool IsMaxSupportedYearMonth(DateTime date) {
#if DEBUG
Debug.Assert(threadCalendarInitialized);
#endif
return IsTheSameYearMonth(maxSupportedDate, date);
}
///
/// Loads a saved state of the
///
protected override void LoadViewState(object savedState) {
if (savedState != null) {
object[] myState = (object[])savedState;
if (myState[0] != null)
base.LoadViewState(myState[0]);
if (myState[1] != null)
((IStateManager)TitleStyle).LoadViewState(myState[1]);
if (myState[2] != null)
((IStateManager)NextPrevStyle).LoadViewState(myState[2]);
if (myState[3] != null)
((IStateManager)DayStyle).LoadViewState(myState[3]);
if (myState[4] != null)
((IStateManager)DayHeaderStyle).LoadViewState(myState[4]);
if (myState[5] != null)
((IStateManager)TodayDayStyle).LoadViewState(myState[5]);
if (myState[6] != null)
((IStateManager)WeekendDayStyle).LoadViewState(myState[6]);
if (myState[7] != null)
((IStateManager)OtherMonthDayStyle).LoadViewState(myState[7]);
if (myState[8] != null)
((IStateManager)SelectedDayStyle).LoadViewState(myState[8]);
if (myState[9] != null)
((IStateManager)SelectorStyle).LoadViewState(myState[9]);
ArrayList selDates = (ArrayList)ViewState["SD"];
if (selDates != null) {
dateList = selDates;
selectedDates = null; // reset wrapper collection
}
}
}
///
/// Marks the starting point to begin tracking and saving changes to the
/// control as part of the control viewstate.
///
protected override void TrackViewState() {
base.TrackViewState();
if (titleStyle != null)
((IStateManager)titleStyle).TrackViewState();
if (nextPrevStyle != null)
((IStateManager)nextPrevStyle).TrackViewState();
if (dayStyle != null)
((IStateManager)dayStyle).TrackViewState();
if (dayHeaderStyle != null)
((IStateManager)dayHeaderStyle).TrackViewState();
if (todayDayStyle != null)
((IStateManager)todayDayStyle).TrackViewState();
if (weekendDayStyle != null)
((IStateManager)weekendDayStyle).TrackViewState();
if (otherMonthDayStyle != null)
((IStateManager)otherMonthDayStyle).TrackViewState();
if (selectedDayStyle != null)
((IStateManager)selectedDayStyle).TrackViewState();
if (selectorStyle != null)
((IStateManager)selectorStyle).TrackViewState();
}
///
///
private int NumericFirstDayOfWeek() {
// Used globalized value by default
return(FirstDayOfWeek == FirstDayOfWeek.Default)
? (int) DateTimeFormatInfo.CurrentInfo.FirstDayOfWeek
: (int) FirstDayOfWeek;
}
///
/// Raises the
///
protected virtual void OnDayRender(TableCell cell, CalendarDay day) {
DayRenderEventHandler handler = (DayRenderEventHandler)Events[EventDayRender];
if (handler != null) {
int absoluteDay = day.Date.Subtract(baseDate).Days;
// VSWhidbey 215383: We return null for selectUrl if a control is not in
// the page control tree.
string selectUrl = null;
Page page = Page;
if (page != null) {
string eventArgument = absoluteDay.ToString(CultureInfo.InvariantCulture);
selectUrl = Page.ClientScript.GetPostBackClientHyperlink(this, eventArgument, true);
}
handler(this, new DayRenderEventArgs(cell, day, selectUrl));
}
}
#if SHIPPINGADAPTERS
// A wrapper to raise the SelectionChangedEvent when a date is selected
// by the user. This can be called by adapters when they have
// collected the selected date.
internal void RaiseSelectionChangedEvent() {
OnSelectionChanged();
}
#endif
///
/// Raises the
///
protected virtual void OnSelectionChanged() {
EventHandler handler = (EventHandler)Events[EventSelectionChanged];
if (handler != null) {
handler(this, EventArgs.Empty);
}
}
///
/// Raises the
///
protected virtual void OnVisibleMonthChanged(DateTime newDate, DateTime previousDate) {
MonthChangedEventHandler handler = (MonthChangedEventHandler)Events[EventVisibleMonthChanged];
if (handler != null) {
handler(this, new MonthChangedEventArgs(newDate, previousDate));
}
}
///
/// Raises events on post back for the
///
protected virtual void RaisePostBackEvent(string eventArgument) {
ValidateEvent(UniqueID, eventArgument);
if(_adapter != null) {
IPostBackEventHandler pbeh = _adapter as IPostBackEventHandler;
if (pbeh != null) {
pbeh.RaisePostBackEvent(eventArgument);
}
} else {
if (String.Compare(eventArgument, 0, NAVIGATE_MONTH_COMMAND, 0, NAVIGATE_MONTH_COMMAND.Length, StringComparison.Ordinal) == 0) {
// Month navigation. The command starts with a "V" and the remainder is day difference from the
// base date.
DateTime oldDate = VisibleDate;
if (oldDate.Equals(DateTime.MinValue)) {
oldDate = TodaysDate;
}
int newDateDiff = Int32.Parse(eventArgument.Substring(NAVIGATE_MONTH_COMMAND.Length), CultureInfo.InvariantCulture);
VisibleDate = baseDate.AddDays(newDateDiff);
if (VisibleDate == DateTime.MinValue) {
// MinValue would make the calendar shows today's month instead because it
// is the default value of VisibleDate property, so we add a day to keep
// showing the first supported month.
// We assume the first supported month has more than one day.
VisibleDate = DateTimeFormatInfo.CurrentInfo.Calendar.AddDays(VisibleDate, 1);
}
OnVisibleMonthChanged(VisibleDate, oldDate);
}
else if (String.Compare(eventArgument, 0, SELECT_RANGE_COMMAND, 0, SELECT_RANGE_COMMAND.Length, StringComparison.Ordinal) == 0) {
// Range selection. The command starts with an "R". The remainder is an integer. When divided by 100
// the result is the day difference from the base date of the first day, and the remainder is the
// number of days to select.
int rangeValue = Int32.Parse(eventArgument.Substring(SELECT_RANGE_COMMAND.Length), CultureInfo.InvariantCulture);
int dayDiff = rangeValue / 100;
int dayRange = rangeValue % 100;
if (dayRange < 1) {
dayRange = 100 + dayRange;
dayDiff -= 1;
}
DateTime dt = baseDate.AddDays(dayDiff);
SelectRange(dt, dt.AddDays(dayRange - 1));
}
else {
// Single day selection. This is just a number which is the day difference from the base date.
int dayDiff = Int32.Parse(eventArgument, CultureInfo.InvariantCulture);
DateTime dt = baseDate.AddDays(dayDiff);
SelectRange(dt, dt);
}
}
}
void IPostBackEventHandler.RaisePostBackEvent(string eventArgument) {
RaisePostBackEvent(eventArgument);
}
///
/// Displays the
///
protected internal override void Render(HtmlTextWriter writer) {
threadCalendar = DateTimeFormatInfo.CurrentInfo.Calendar;
minSupportedDate = threadCalendar.MinSupportedDateTime;
maxSupportedDate = threadCalendar.MaxSupportedDateTime;
#if DEBUG
threadCalendarInitialized = true;
#endif
DateTime visibleDate = EffectiveVisibleDate();
DateTime firstDay = FirstCalendarDay(visibleDate);
CalendarSelectionMode selectionMode = SelectionMode;
// Make sure we are in a form tag with runat=server.
if (Page != null) {
Page.VerifyRenderingInServerForm(this);
}
// We only want to display the link if we have a page, or if we are on the design surface
// If we can stops links being active on the Autoformat dialog, then we can remove this these checks.
Page page = Page;
bool buttonsActive;
if (page == null || DesignMode) {
buttonsActive = false;
}
else {
buttonsActive = IsEnabled;
}
defaultForeColor = ForeColor;
if (defaultForeColor == Color.Empty) {
defaultForeColor = DefaultForeColor;
}
defaultButtonColorText = ColorTranslator.ToHtml(defaultForeColor);
Table table = new Table();
if (ID != null) {
table.ID = ClientID;
}
table.CopyBaseAttributes(this);
if (ControlStyleCreated) {
table.ApplyStyle(ControlStyle);
}
table.Width = Width;
table.Height = Height;
table.CellPadding = CellPadding;
table.CellSpacing = CellSpacing;
// default look
if ((ControlStyleCreated == false) ||
(ControlStyle.IsSet(System.Web.UI.WebControls.Style.PROP_BORDERWIDTH) == false) ||
BorderWidth.Equals(Unit.Empty)) {
table.BorderWidth = Unit.Pixel(1);
}
if (ShowGridLines) {
table.GridLines = GridLines.Both;
}
else {
table.GridLines = GridLines.None;
}
bool useAccessibleHeader = UseAccessibleHeader;
if (useAccessibleHeader) {
if (table.Attributes["title"] == null) {
table.Attributes["title"] = SR.GetString(SR.Calendar_TitleText);
}
}
string caption = Caption;
if (caption.Length > 0) {
table.Caption = caption;
table.CaptionAlign = CaptionAlign;
}
table.RenderBeginTag(writer);
if (ShowTitle) {
RenderTitle(writer, visibleDate, selectionMode, buttonsActive, useAccessibleHeader);
}
if (ShowDayHeader) {
RenderDayHeader(writer, visibleDate, selectionMode, buttonsActive, useAccessibleHeader);
}
RenderDays(writer, firstDay, visibleDate, selectionMode, buttonsActive, useAccessibleHeader);
table.RenderEndTag(writer);
}
private void RenderCalendarCell(HtmlTextWriter writer, TableItemStyle style, string text, string title, bool hasButton, string eventArgument) {
style.AddAttributesToRender(writer, this);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
if (hasButton) {
// render the button
Color foreColor = style.ForeColor;
writer.Write("");
writer.Write(text);
writer.Write("");
}
else {
writer.Write(text);
}
writer.RenderEndTag();
}
private void RenderCalendarHeaderCell(HtmlTextWriter writer, TableItemStyle style, string text, string abbrText) {
style.AddAttributesToRender(writer, this);
writer.AddAttribute("abbr", abbrText);
writer.AddAttribute("scope", "col");
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.Write(text);
writer.RenderEndTag();
}
///
///
private void RenderDayHeader(HtmlTextWriter writer, DateTime visibleDate, CalendarSelectionMode selectionMode, bool buttonsActive, bool useAccessibleHeader) {
writer.Write(ROWBEGINTAG);
DateTimeFormatInfo dtf = DateTimeFormatInfo.CurrentInfo;
if (HasWeekSelectors(selectionMode)) {
TableItemStyle monthSelectorStyle = new TableItemStyle();
monthSelectorStyle.HorizontalAlign = HorizontalAlign.Center;
// add the month selector button if required;
if (selectionMode == CalendarSelectionMode.DayWeekMonth) {
// Range selection. The command starts with an "R". The remainder is an integer. When divided by 100
// the result is the day difference from the base date of the first day, and the remainder is the
// number of days to select.
int startOffset = visibleDate.Subtract(baseDate).Days;
int monthLength = threadCalendar.GetDaysInMonth(threadCalendar.GetYear(visibleDate), threadCalendar.GetMonth(visibleDate), threadCalendar.GetEra(visibleDate));
if (IsMinSupportedYearMonth(visibleDate)) {
// The first supported month might not start with day 1
// (e.g. Sept 8 is the first supported date of JapaneseCalendar)
monthLength = monthLength - threadCalendar.GetDayOfMonth(visibleDate) + 1;
}
else if (IsMaxSupportedYearMonth(visibleDate)) {
// The last supported month might not have all days supported in that calendar month
// (e.g. April 3 is the last supported date of HijriCalendar)
monthLength = threadCalendar.GetDayOfMonth(maxSupportedDate);
}
string monthSelectKey = SELECT_RANGE_COMMAND + ((startOffset * 100) + monthLength).ToString(CultureInfo.InvariantCulture);
monthSelectorStyle.CopyFrom(SelectorStyle);
string selectMonthTitle = null;
if (useAccessibleHeader) {
selectMonthTitle = SR.GetString(SR.Calendar_SelectMonthTitle);
}
RenderCalendarCell(writer, monthSelectorStyle, SelectMonthText, selectMonthTitle, buttonsActive, monthSelectKey);
}
else {
// otherwise make it look like the header row
monthSelectorStyle.CopyFrom(DayHeaderStyle);
RenderCalendarCell(writer, monthSelectorStyle, string.Empty, null, false, null);
}
}
TableItemStyle dayNameStyle = new TableItemStyle();
dayNameStyle.HorizontalAlign = HorizontalAlign.Center;
dayNameStyle.CopyFrom(DayHeaderStyle);
DayNameFormat dayNameFormat = DayNameFormat;
int numericFirstDay = NumericFirstDayOfWeek();
for (int i = numericFirstDay; i < numericFirstDay + 7; i++) {
string dayName;
int dayOfWeek = i % 7;
switch (dayNameFormat) {
case DayNameFormat.FirstLetter:
dayName = dtf.GetDayName((DayOfWeek)dayOfWeek).Substring(0, 1);
break;
case DayNameFormat.FirstTwoLetters:
dayName = dtf.GetDayName((DayOfWeek)dayOfWeek).Substring(0, 2);
break;
case DayNameFormat.Full:
dayName = dtf.GetDayName((DayOfWeek)dayOfWeek);
break;
case DayNameFormat.Short:
dayName = dtf.GetAbbreviatedDayName((DayOfWeek)dayOfWeek);
break;
case DayNameFormat.Shortest:
dayName = dtf.GetShortestDayName((DayOfWeek)dayOfWeek);
break;
default:
Debug.Assert(false, "Unknown DayNameFormat value!");
goto case DayNameFormat.Short;
}
if (useAccessibleHeader) {
string fullDayName = dtf.GetDayName((DayOfWeek)dayOfWeek);
RenderCalendarHeaderCell(writer, dayNameStyle, dayName, fullDayName);
}
else {
RenderCalendarCell(writer, dayNameStyle, dayName, null, false, null);
}
}
writer.Write(ROWENDTAG);
}
///
///
private void RenderDays(HtmlTextWriter writer, DateTime firstDay, DateTime visibleDate, CalendarSelectionMode selectionMode, bool buttonsActive, bool useAccessibleHeader) {
// Now add the rows for the actual days
DateTime d = firstDay;
TableItemStyle weekSelectorStyle = null;
Unit defaultWidth;
bool hasWeekSelectors = HasWeekSelectors(selectionMode);
if (hasWeekSelectors) {
weekSelectorStyle = new TableItemStyle();
weekSelectorStyle.Width = Unit.Percentage(12);
weekSelectorStyle.HorizontalAlign = HorizontalAlign.Center;
weekSelectorStyle.CopyFrom(SelectorStyle);
defaultWidth = Unit.Percentage(12);
}
else {
defaultWidth = Unit.Percentage(14);
}
// This determines whether we need to call DateTime.ToString for each day. The only culture/calendar
// that requires this for now is the HebrewCalendar.
bool usesStandardDayDigits = !(threadCalendar is HebrewCalendar);
// This determines whether we can write out cells directly, or whether we have to create whole
// TableCell objects for each day.
bool hasRenderEvent = (this.GetType() != typeof(Calendar)
|| Events[EventDayRender] != null);
TableItemStyle [] cellStyles = new TableItemStyle[16];
int definedStyleMask = GetDefinedStyleMask();
DateTime todaysDate = TodaysDate;
string selectWeekText = SelectWeekText;
bool daysSelectable = buttonsActive && (selectionMode != CalendarSelectionMode.None);
int visibleDateMonth = threadCalendar.GetMonth(visibleDate);
int absoluteDay = firstDay.Subtract(baseDate).Days;
// VSWhidbey 480155: flag to indicate if forecolor needs to be set
// explicitly in design mode to mimic runtime rendering with the
// limitation of not supporting CSS class color setting.
bool inDesignSelectionMode = (DesignMode && SelectionMode != CalendarSelectionMode.None);
//-----------------------------------------------------------------
// VSWhidbey 366243: The following variables are for boundary cases
// such as the current visible month is the first or the last
// supported month. They are used in the 'for' loops below.
// For the first supported month, calculate how many days to
// skip at the beginning of the first month. E.g. JapaneseCalendar
// starts at Sept 8.
int numOfFirstDaysToSkip = 0;
if (IsMinSupportedYearMonth(visibleDate)) {
numOfFirstDaysToSkip = (int)threadCalendar.GetDayOfWeek(firstDay) - NumericFirstDayOfWeek();
// If negative, it simply means the the index of the starting
// day name is greater than the day name of the first supported
// date. We add back 7 to get the number of days to skip.
if (numOfFirstDaysToSkip < 0) {
numOfFirstDaysToSkip += 7;
}
}
Debug.Assert(numOfFirstDaysToSkip < 7);
// For the last or second last supported month, initialize variables
// to identify the last supported date of the current calendar.
// e.g. The last supported date of HijriCalendar is April 3. When
// the second last monthh is shown, it can be the case that not all
// cells will be filled up.
bool passedLastSupportedDate = false;
DateTime secondLastMonth = threadCalendar.AddMonths(maxSupportedDate, -1);
bool lastOrSecondLastMonth = (IsMaxSupportedYearMonth(visibleDate) ||
IsTheSameYearMonth(secondLastMonth, visibleDate));
//-----------------------------------------------------------------
for (int iRow = 0; iRow < 6; iRow++) {
if (passedLastSupportedDate) {
break;
}
writer.Write(ROWBEGINTAG);
// add week selector column and button if required
if (hasWeekSelectors) {
// Range selection. The command starts with an "R". The remainder is an integer. When divided by 100
// the result is the day difference from the base date of the first day, and the remainder is the
// number of days to select.
int dayDiffParameter = (absoluteDay * 100) + 7;
// Adjust the dayDiff for the first or the last supported month
if (numOfFirstDaysToSkip > 0) {
dayDiffParameter -= numOfFirstDaysToSkip;
}
else if (lastOrSecondLastMonth) {
int daysFromLastDate = maxSupportedDate.Subtract(d).Days;
if (daysFromLastDate < 6) {
dayDiffParameter -= (6 - daysFromLastDate);
}
}
string weekSelectKey = SELECT_RANGE_COMMAND + dayDiffParameter.ToString(CultureInfo.InvariantCulture);
string selectWeekTitle = null;
if (useAccessibleHeader) {
int weekOfMonth = iRow + 1;
selectWeekTitle = SR.GetString(SR.Calendar_SelectWeekTitle, weekOfMonth.ToString(CultureInfo.InvariantCulture));
}
RenderCalendarCell(writer, weekSelectorStyle, selectWeekText, selectWeekTitle, buttonsActive, weekSelectKey);
}
for (int iDay = 0; iDay < 7; iDay++) {
// Render empty cells for special cases to handle the first
// or last supported month.
if (numOfFirstDaysToSkip > 0) {
iDay += numOfFirstDaysToSkip;
for ( ; numOfFirstDaysToSkip > 0; numOfFirstDaysToSkip--) {
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag();
}
}
else if (passedLastSupportedDate) {
for ( ; iDay < 7; iDay++) {
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag();
}
break;
}
int dayOfWeek = (int)threadCalendar.GetDayOfWeek(d);
int dayOfMonth = threadCalendar.GetDayOfMonth(d);
string dayNumberText;
if ((dayOfMonth <= cachedNumberMax) && usesStandardDayDigits) {
dayNumberText = cachedNumbers[dayOfMonth];
}
else {
dayNumberText = d.ToString("dd", CultureInfo.CurrentCulture);
}
CalendarDay day = new CalendarDay(d,
(dayOfWeek == 0 || dayOfWeek == 6), // IsWeekend
d.Equals(todaysDate), // IsToday
(selectedDates != null) && selectedDates.Contains(d), // IsSelected
threadCalendar.GetMonth(d) != visibleDateMonth, // IsOtherMonth
dayNumberText // Number Text
);
int styleMask = STYLEMASK_DAY;
if (day.IsSelected)
styleMask |= STYLEMASK_SELECTED;
if (day.IsOtherMonth)
styleMask |= STYLEMASK_OTHERMONTH;
if (day.IsToday)
styleMask |= STYLEMASK_TODAY;
if (day.IsWeekend)
styleMask |= STYLEMASK_WEEKEND;
int dayStyleMask = definedStyleMask & styleMask;
// determine the unique portion of the mask for the current calendar,
// which will strip out the day style bit
int dayStyleID = dayStyleMask & STYLEMASK_UNIQUE;
TableItemStyle cellStyle = cellStyles[dayStyleID];
if (cellStyle == null) {
cellStyle = new TableItemStyle();
SetDayStyles(cellStyle, dayStyleMask, defaultWidth);
cellStyles[dayStyleID] = cellStyle;
}
string dayTitle = null;
if (useAccessibleHeader) {
dayTitle = d.ToString("m", CultureInfo.CurrentCulture);
}
if (hasRenderEvent) {
TableCell cdc = new TableCell();
cdc.ApplyStyle(cellStyle);
LiteralControl dayContent = new LiteralControl(dayNumberText);
cdc.Controls.Add(dayContent);
day.IsSelectable = daysSelectable;
OnDayRender(cdc, day);
// refresh the day content
dayContent.Text = GetCalendarButtonText(absoluteDay.ToString(CultureInfo.InvariantCulture),
dayNumberText,
dayTitle,
buttonsActive && day.IsSelectable,
cdc.ForeColor);
cdc.RenderControl(writer);
}
else {
// VSWhidbey 480155: In design mode we render days as
// texts instead of links so CSS class color setting is
// supported. But this differs in runtime rendering
// where CSS class color setting is not supported. To
// correctly mimic the forecolor of runtime rendering in
// design time, the default color, which is used in
// runtime rendering, is explicitly set in this case.
if (inDesignSelectionMode && cellStyle.ForeColor.IsEmpty) {
cellStyle.ForeColor = defaultForeColor;
}
RenderCalendarCell(writer, cellStyle, dayNumberText, dayTitle, daysSelectable, absoluteDay.ToString(CultureInfo.InvariantCulture));
}
Debug.Assert(!passedLastSupportedDate);
if (lastOrSecondLastMonth && d.Month == maxSupportedDate.Month && d.Day == maxSupportedDate.Day) {
passedLastSupportedDate = true;
}
else {
d = threadCalendar.AddDays(d, 1);
absoluteDay++;
}
}
writer.Write(ROWENDTAG);
}
}
///
///
private void RenderTitle(HtmlTextWriter writer, DateTime visibleDate, CalendarSelectionMode selectionMode, bool buttonsActive, bool useAccessibleHeader) {
writer.Write(ROWBEGINTAG);
TableCell titleCell = new TableCell();
Table titleTable = new Table();
// default title table/cell styles
titleCell.ColumnSpan = HasWeekSelectors(selectionMode) ? 8 : 7;
titleCell.BackColor = Color.Silver;
titleTable.GridLines = GridLines.None;
titleTable.Width = Unit.Percentage(100);
titleTable.CellSpacing = 0;
TableItemStyle titleStyle = TitleStyle;
ApplyTitleStyle(titleCell, titleTable, titleStyle);
titleCell.RenderBeginTag(writer);
titleTable.RenderBeginTag(writer);
writer.Write(ROWBEGINTAG);
NextPrevFormat nextPrevFormat = NextPrevFormat;
TableItemStyle nextPrevStyle = new TableItemStyle();
nextPrevStyle.Width = Unit.Percentage(15);
nextPrevStyle.CopyFrom(NextPrevStyle);
if (ShowNextPrevMonth) {
if (IsMinSupportedYearMonth(visibleDate)) {
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag();
}
else {
string prevMonthText;
if (nextPrevFormat == NextPrevFormat.ShortMonth || nextPrevFormat == NextPrevFormat.FullMonth) {
int monthNo = threadCalendar.GetMonth(threadCalendar.AddMonths(visibleDate, - 1));
prevMonthText = GetMonthName(monthNo, (nextPrevFormat == NextPrevFormat.FullMonth));
}
else {
prevMonthText = PrevMonthText;
}
// Month navigation. The command starts with a "V" and the remainder is day difference from the
// base date.
DateTime prevMonthDate;
// VSWhidbey 366243: Some calendar's min supported date is
// not the first day of the month (e.g. JapaneseCalendar.
// So if we are setting the second supported month, the prev
// month link should always point to the first supported
// date instead of the first day of the previous month.
DateTime secondSupportedMonth = threadCalendar.AddMonths(minSupportedDate, 1);
if (IsTheSameYearMonth(secondSupportedMonth, visibleDate)) {
prevMonthDate = minSupportedDate;
}
else {
prevMonthDate = threadCalendar.AddMonths(visibleDate, -1);
}
string prevMonthKey = NAVIGATE_MONTH_COMMAND + (prevMonthDate.Subtract(baseDate)).Days.ToString(CultureInfo.InvariantCulture);
string previousMonthTitle = null;
if (useAccessibleHeader) {
previousMonthTitle = SR.GetString(SR.Calendar_PreviousMonthTitle);
}
RenderCalendarCell(writer, nextPrevStyle, prevMonthText, previousMonthTitle, buttonsActive, prevMonthKey);
}
}
TableItemStyle cellMainStyle = new TableItemStyle();
if (titleStyle.HorizontalAlign != HorizontalAlign.NotSet) {
cellMainStyle.HorizontalAlign = titleStyle.HorizontalAlign;
}
else {
cellMainStyle.HorizontalAlign = HorizontalAlign.Center;
}
cellMainStyle.Wrap = titleStyle.Wrap;
cellMainStyle.Width = Unit.Percentage(70);
string titleText;
switch (TitleFormat) {
case TitleFormat.Month:
titleText = visibleDate.ToString("MMMM", CultureInfo.CurrentCulture);
break;
case TitleFormat.MonthYear:
string titlePattern = DateTimeFormatInfo.CurrentInfo.YearMonthPattern;
// Some cultures have a comma in their YearMonthPattern, which does not look
// right in a calendar. Use a fixed pattern for those.
if (titlePattern.IndexOf(',') >= 0) {
titlePattern = "MMMM yyyy";
}
titleText = visibleDate.ToString(titlePattern, CultureInfo.CurrentCulture);
break;
default:
Debug.Assert(false, "Unknown TitleFormat value!");
goto case TitleFormat.MonthYear;
}
RenderCalendarCell(writer, cellMainStyle, titleText, null, false, null);
if (ShowNextPrevMonth) {
if (IsMaxSupportedYearMonth(visibleDate)) {
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag();
}
else {
// Style for this one is identical bar
nextPrevStyle.HorizontalAlign = HorizontalAlign.Right;
string nextMonthText;
if (nextPrevFormat == NextPrevFormat.ShortMonth || nextPrevFormat == NextPrevFormat.FullMonth) {
int monthNo = threadCalendar.GetMonth(threadCalendar.AddMonths(visibleDate, 1));
nextMonthText = GetMonthName(monthNo, (nextPrevFormat == NextPrevFormat.FullMonth));
}
else {
nextMonthText = NextMonthText;
}
// Month navigation. The command starts with a "V" and the remainder is day difference from the
// base date.
DateTime nextMonthDate = threadCalendar.AddMonths(visibleDate, 1);
string nextMonthKey = NAVIGATE_MONTH_COMMAND + (nextMonthDate.Subtract(baseDate)).Days.ToString(CultureInfo.InvariantCulture);
string nextMonthTitle = null;
if (useAccessibleHeader) {
nextMonthTitle = SR.GetString(SR.Calendar_NextMonthTitle);
}
RenderCalendarCell(writer, nextPrevStyle, nextMonthText, nextMonthTitle, buttonsActive, nextMonthKey);
}
}
writer.Write(ROWENDTAG);
titleTable.RenderEndTag(writer);
titleCell.RenderEndTag(writer);
writer.Write(ROWENDTAG);
}
///
/// Stores the state of the System.Web.UI.WebControls.Calender.
///
protected override object SaveViewState() {
if (SelectedDates.Count > 0)
ViewState["SD"] = dateList;
object[] myState = new object[10];
myState[0] = base.SaveViewState();
myState[1] = (titleStyle != null) ? ((IStateManager)titleStyle).SaveViewState() : null;
myState[2] = (nextPrevStyle != null) ? ((IStateManager)nextPrevStyle).SaveViewState() : null;
myState[3] = (dayStyle != null) ? ((IStateManager)dayStyle).SaveViewState() : null;
myState[4] = (dayHeaderStyle != null) ? ((IStateManager)dayHeaderStyle).SaveViewState() : null;
myState[5] = (todayDayStyle != null) ? ((IStateManager)todayDayStyle).SaveViewState() : null;
myState[6] = (weekendDayStyle != null) ? ((IStateManager)weekendDayStyle).SaveViewState() : null;
myState[7] = (otherMonthDayStyle != null) ? ((IStateManager)otherMonthDayStyle).SaveViewState() : null;
myState[8] = (selectedDayStyle != null) ? ((IStateManager)selectedDayStyle).SaveViewState() : null;
myState[9] = (selectorStyle != null) ? ((IStateManager)selectorStyle).SaveViewState() : null;
for (int i = 0; i
///
private void SetDayStyles(TableItemStyle style, int styleMask, Unit defaultWidth) {
// default day styles
style.Width = defaultWidth;
style.HorizontalAlign = HorizontalAlign.Center;
if ((styleMask & STYLEMASK_DAY) != 0) {
style.CopyFrom(DayStyle);
}
if ((styleMask & STYLEMASK_WEEKEND) != 0) {
style.CopyFrom(WeekendDayStyle);
}
if ((styleMask & STYLEMASK_OTHERMONTH) != 0) {
style.CopyFrom(OtherMonthDayStyle);
}
if ((styleMask & STYLEMASK_TODAY) != 0) {
style.CopyFrom(TodayDayStyle);
}
if ((styleMask & STYLEMASK_SELECTED) != 0) {
// default selected day style
style.ForeColor = Color.White;
style.BackColor = Color.Silver;
style.CopyFrom(SelectedDayStyle);
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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