CalendarDayButton.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Controls / Primitives / CalendarDayButton.cs / 1305600 / CalendarDayButton.cs
                        
                        
                            //---------------------------------------------------------------------------- 
//
// Copyright (C) Microsoft Corporation.  All rights reserved.
//
//--------------------------------------------------------------------------- 

using System.Windows; 
using System.Windows.Automation.Peers; 
using System.Windows.Controls;
using System.Windows.Data; 

namespace System.Windows.Controls.Primitives
{
    ///  
    /// Represents a button control used in Calendar Control, which reacts to the Click event.
    ///  
    public sealed class CalendarDayButton : Button 
    {
        #region Constants 
        /// 
        /// Default content for the CalendarDayButton
        /// 
        private const int DEFAULTCONTENT = 1; 

        #endregion 
 
        /// 
        /// Static constructor 
        /// 
        static CalendarDayButton()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(CalendarDayButton), new FrameworkPropertyMetadata(typeof(CalendarDayButton))); 
        }
 
        ///  
        /// Represents the CalendarDayButton that is used in Calendar Control.
        ///  
        public CalendarDayButton()
            : base()
        {
        } 

        #region Public Properties 
 
        #region IsToday
 
        internal static readonly DependencyPropertyKey IsTodayPropertyKey = DependencyProperty.RegisterReadOnly(
            "IsToday",
            typeof(bool),
            typeof(CalendarDayButton), 
            new FrameworkPropertyMetadata(false, new PropertyChangedCallback(OnVisualStatePropertyChanged)));
 
        ///  
        /// Dependency property field for IsToday property
        ///  
        public static readonly DependencyProperty IsTodayProperty = IsTodayPropertyKey.DependencyProperty;

        /// 
        /// True if the CalendarDayButton represents today 
        /// 
        public bool IsToday 
        { 
            get { return (bool)GetValue(IsTodayProperty); }
        } 

        #endregion IsToday

        #region IsSelected 

        internal static readonly DependencyPropertyKey IsSelectedPropertyKey = DependencyProperty.RegisterReadOnly( 
            "IsSelected", 
            typeof(bool),
            typeof(CalendarDayButton), 
            new FrameworkPropertyMetadata(false, new PropertyChangedCallback(OnVisualStatePropertyChanged)));

        /// 
        /// Dependency property field for IsSelected property 
        /// 
        public static readonly DependencyProperty IsSelectedProperty = IsSelectedPropertyKey.DependencyProperty; 
 
        /// 
        /// True if the CalendarDayButton is selected 
        /// 
        public bool IsSelected
        {
            get { return (bool)GetValue(IsSelectedProperty); } 
        }
 
        #endregion IsSelected 

        #region IsInactive 

        internal static readonly DependencyPropertyKey IsInactivePropertyKey = DependencyProperty.RegisterReadOnly(
            "IsInactive",
            typeof(bool), 
            typeof(CalendarDayButton),
            new FrameworkPropertyMetadata(false, new PropertyChangedCallback(OnVisualStatePropertyChanged))); 
 
        /// 
        /// Dependency property field for IsActive property 
        /// 
        public static readonly DependencyProperty IsInactiveProperty = IsInactivePropertyKey.DependencyProperty;

        ///  
        /// True if the CalendarDayButton represents a day that falls in the currently displayed month
        ///  
        public bool IsInactive 
        {
            get { return (bool)GetValue(IsInactiveProperty); } 
        }

        #endregion IsInactive
 
        #region IsBlackedOut
 
        internal static readonly DependencyPropertyKey IsBlackedOutPropertyKey = DependencyProperty.RegisterReadOnly( 
            "IsBlackedOut",
            typeof(bool), 
            typeof(CalendarDayButton),
            new FrameworkPropertyMetadata(false, new PropertyChangedCallback(OnVisualStatePropertyChanged)));

        ///  
        /// Dependency property field for IsBlackedOut property
        ///  
        public static readonly DependencyProperty IsBlackedOutProperty = IsBlackedOutPropertyKey.DependencyProperty; 

        ///  
        /// True if the CalendarDayButton represents a blackout date
        /// 
        public bool IsBlackedOut
        { 
            get { return (bool)GetValue(IsBlackedOutProperty); }
        } 
 
        #endregion IsBlackedOut
 
        #region IsHighlighted

        internal static readonly DependencyPropertyKey IsHighlightedPropertyKey = DependencyProperty.RegisterReadOnly(
            "IsHighlighted", 
            typeof(bool),
            typeof(CalendarDayButton), 
            new FrameworkPropertyMetadata(false, new PropertyChangedCallback(OnVisualStatePropertyChanged))); 

        ///  
        /// Dependency property field for IsHighlighted property
        /// 
        public static readonly DependencyProperty IsHighlightedProperty = IsHighlightedPropertyKey.DependencyProperty;
 
        /// 
        /// True if the CalendarDayButton represents a highlighted date 
        ///  
        public bool IsHighlighted
        { 
            get { return (bool)GetValue(IsHighlightedProperty); }
        }

        #endregion IsHighlighted 

        #endregion Public Properties 
 
        #region Internal Properties
 
        internal Calendar Owner
        {
            get;
            set; 
        }
 
        #endregion Internal Properties 

        #region Public Methods 

        #endregion Public Methods

        #region Protected Methods 

        ///  
        /// Creates the automation peer for the CalendarDayButton. 
        /// 
        ///  
        protected override AutomationPeer OnCreateAutomationPeer()
        {
            return new CalendarButtonAutomationPeer(this);
        } 

        #endregion Protected Methods 
 
        #region Internal Methods
 
        /// 
        /// Change to the correct visual state for the button.
        /// 
        ///  
        /// true to use transitions when updating the visual state, false to
        /// snap directly to the new visual state. 
        ///  
        internal override void ChangeVisualState(bool useTransitions)
        { 
            // Update the SelectionStates group
            if (IsSelected || IsHighlighted)
            {
                VisualStates.GoToState(this, useTransitions, VisualStates.StateSelected, VisualStates.StateUnselected); 
            }
            else 
            { 
                VisualStateManager.GoToState(this, VisualStates.StateUnselected, useTransitions);
            } 

            // Update the ActiveStates group
            if (!IsInactive)
            { 
                VisualStates.GoToState(this, useTransitions, VisualStates.StateActive, VisualStates.StateInactive);
            } 
            else 
            {
                VisualStateManager.GoToState(this, VisualStates.StateInactive, useTransitions); 
            }

            // Update the DayStates group
            if (IsToday && this.Owner != null && this.Owner.IsTodayHighlighted) 
            {
                VisualStates.GoToState(this, useTransitions, VisualStates.StateToday, VisualStates.StateRegularDay); 
            } 
            else
            { 
                VisualStateManager.GoToState(this, VisualStates.StateRegularDay, useTransitions);
            }

            // Update the BlackoutDayStates group 
            if (IsBlackedOut)
            { 
                VisualStates.GoToState(this, useTransitions, VisualStates.StateBlackoutDay, VisualStates.StateNormalDay); 
            }
            else 
            {
                VisualStateManager.GoToState(this, VisualStates.StateNormalDay, useTransitions);
            }
 
            // Update the FocusStates group
            if (IsKeyboardFocused) 
            { 
                VisualStates.GoToState(this, useTransitions, VisualStates.StateCalendarButtonFocused, VisualStates.StateCalendarButtonUnfocused);
            } 
            else
            {
                VisualStateManager.GoToState(this, VisualStates.StateCalendarButtonUnfocused, useTransitions);
            } 

            base.ChangeVisualState(useTransitions); 
        } 

        internal void NotifyNeedsVisualStateUpdate() 
        {
            UpdateVisualState();
        }
 
        internal void SetContentInternal(string value)
        { 
            SetCurrentValueInternal(ContentControl.ContentProperty, value); 
        }
 
        #endregion Internal Methods

    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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CalendarDayButton.cs source code in C# .NET

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