Example

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using Intersoft.Client.UI.ScheduleView;

namespace UXScheduleView.Samples.Controls
{
    public class AgendaView : UXScheduleViewBase
    {
        #region Elements

        private TextBlock TitleElement { get; set; }

        #endregion

        #region Constructors

        public AgendaView()
        {
            this.DefaultStyleKey = typeof(AgendaView);
        }

        #endregion

        #region Dependency Properties

        /// <summary>
        /// Identifies the TitleFullMonthFormat dependency property. 
        /// </summary>
        public static readonly DependencyProperty TitleFullMonthFormatProperty =
            DependencyProperty.Register("TitleFullMonthFormat", typeof(string), typeof(AgendaView), new PropertyMetadata("{0:MMMMM d, yyyy}", OnPropertyChanged));

        /// <summary>
        /// Identifies the TitleRangeFullMonthFormat dependency property. 
        /// </summary>
        public static readonly DependencyProperty TitleRangeFullMonthFormatProperty =
            DependencyProperty.Register("TitleRangeFullMonthFormat", typeof(string), typeof(AgendaView), new PropertyMetadata("{0:MMMMM d, yyyy} - {1:MMMM d, yyyy}", OnPropertyChanged));

        /// <summary>
        /// Identifies the TitleRangePartialMonthFormat dependency property. 
        /// </summary>
        public static readonly DependencyProperty TitleRangePartialMonthFormatProperty =
            DependencyProperty.Register("TitleRangePartialMonthFormat", typeof(string), typeof(AgendaView), new PropertyMetadata("{0:MMMM d} - {1:d, yyyy}", OnPropertyChanged));

        /// <summary>
        /// Identifies the TitleRangePartialYearFormat dependency property. 
        /// </summary>
        public static readonly DependencyProperty TitleRangePartialYearFormatProperty =
            DependencyProperty.Register("TitleRangePartialYearFormat", typeof(string), typeof(AgendaView), new PropertyMetadata("{0:MMMM d} - {1:MMMM d, yyyy}", OnPropertyChanged));

        /// <summary>
        /// Gets or sets a value that determines the title format when the date is in full month.
        /// </summary>
        [Category("Format")]
        public string TitleFullMonthFormat
        {
            get { return (string)GetValue(TitleFullMonthFormatProperty); }
            set { SetValue(TitleFullMonthFormatProperty, value); }
        }

        /// <summary>
        /// Gets or sets a value that determines the title format when the date is in range full month.
        /// </summary>
        [Category("Format")]
        public string TitleRangeFullMonthFormat
        {
            get { return (string)GetValue(TitleRangeFullMonthFormatProperty); }
            set { SetValue(TitleRangeFullMonthFormatProperty, value); }
        }

        /// <summary>
        /// Gets or sets a value that determines the title format when the date is in partial range month.
        /// </summary>
        [Category("Format")]
        public string TitleRangePartialMonthFormat
        {
            get { return (string)GetValue(TitleRangePartialMonthFormatProperty); }
            set { SetValue(TitleRangePartialMonthFormatProperty, value); }
        }

        /// <summary>
        /// Gets or sets a value that determines the title format when the date is in partial year month.
        /// </summary>
        [Category("Format")]
        public string TitleRangePartialYearFormat
        {
            get { return (string)GetValue(TitleRangePartialYearFormatProperty); }
            set { SetValue(TitleRangePartialYearFormatProperty, value); }
        }

        #endregion

        #region Methods

        public override void OnApplyTemplate()
        {
            base.OnApplyTemplate();

            this.TitleElement = base.GetTemplateChild("TitleElement") as TextBlock;

            this.UpdateTitle();
        }

        public override void InvalidateData()
        {
            base.InvalidateData();

            DateTime startRange = this.DisplayDate.Date;
            DateTime endRange = this.DisplayDate.Date.AddDays(this.NumberOfDays);

            IEnumerable<UXScheduleViewEventModel> eventsSource = this.Events as IEnumerable<UXScheduleViewEventModel>;
            IEnumerable<UXScheduleViewEventModel> events = eventsSource;

            IEnumerable<UXScheduleViewEventModel> eventsCollection =
                UXScheduleViewDataManager.GetRangeData(
                    this.OwningScheduler, null,
                    events, startRange, endRange);
            
            this.ItemsSource = eventsCollection.OrderBy(o => o.StartDate).ThenByDescending(o => o.Duration);
            this.UpdateTitle();
        }
        
        private static void OnPropertyChanged(DependencyObject dp, DependencyPropertyChangedEventArgs e)
        {
            AgendaView control = (AgendaView)dp;
            if (control != null)
            {                
                if (e.Property == TitleFullMonthFormatProperty || e.Property == TitleRangeFullMonthFormatProperty || e.Property == TitleRangePartialMonthFormatProperty || e.Property == TitleRangePartialYearFormatProperty)
                {
                    control.UpdateTitle();
                }
            }
        }

        private void UpdateTitle()
        {
            if (this.TitleElement != null)
            {
                DateTimeFormatInfo dtFormat = Intersoft.Client.Framework.DateTimeHelper.GetCurrentDateFormat(this.ActualCulture);

                if (this.NumberOfDays == 1)
                {
                    if (this.TitleElement != null)
                        this.TitleElement.Text = string.Format(dtFormat, this.TitleFullMonthFormat, new object[] { this.DisplayDate });
                }
                else
                {
                    DateTime startDate = this.DisplayDate.Date;
                    DateTime endDate = startDate.AddDays(this.NumberOfDays - 1);

                    string title = "";

                    if (startDate.Month == endDate.Month && startDate.Year == endDate.Year)
                        title = string.Format(dtFormat, this.TitleRangePartialMonthFormat, new object[] { startDate, endDate });
                    else if (startDate.Year == endDate.Year)
                        title = string.Format(dtFormat, this.TitleRangePartialYearFormat, new object[] { startDate, endDate });
                    else
                        title = string.Format(dtFormat, this.TitleRangeFullMonthFormat, new object[] { startDate, endDate });

                    this.TitleElement.Text = title;
                }
            }
        }

        #endregion
    }
}