//******************************************************************************************************//  MainWindow.xaml.cs - Gbtc////  Copyright © 2012, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may//  not use this file except in compliance with the License. You may obtain a copy of the License at:////      http://www.opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  08/10/2010 - Stephen C. Wills//       Generated original version of source code.//  12/18/2011 - J. Ritchie Carroll//       Set likely default archive locations on initial startup and removed disabled points from the//       display list.//  09/29/2012 - J. Ritchie Carroll//       Updated to code to use roll-over yielding ArchiveReader.//  12/20/2012 - Starlynn Danyelle Gilliam//       Modified Header.////****************************************************************************************************** using System;using System.Collections.Generic;using System.ComponentModel;using System.Globalization;using System.IO;using System.Linq;using System.Reflection;using System.Text;using System.Text.RegularExpressions;using System.Windows;using System.Windows.Controls;using System.Windows.Input;using System.Xml.Linq;using GSF;using GSF.COMTRADE;using GSF.Historian;using GSF.Historian.Files;using GSF.IO;using GSF.Units.EE;using Microsoft.Win32; namespace HistorianView{    /// <summary>    /// Interaction logic for MainWindow.xaml    /// </summary>    public partial class MainWindow    {        #region [ Members ]         // Nested Types         /// <summary>        /// Defines a comparison class to property sort metadata.        /// </summary>        public class MetadataSorter : IComparer<MetadataWrapper>        {            /// <summary>            /// Compares one metadata record to another.            /// </summary>            /// <param name="left">Left metadata record to compare.</param>            /// <param name="right">Right metadata record to compare.</param>            /// <returns>Comparison sort order of metadata record.</returns>            public int Compare(MetadataWrapper left, MetadataWrapper right)            {                // Perform initial sort based on analogs followed by status flags, then digitals                int result = ChannelMetadataSorter.Default.Compare(ConvertToChannelMetadata(left), ConvertToChannelMetadata(right));                 // Fall back on historian ID for secondary sort order                if (result == 0)                    result = left.PointNumber.CompareTo(right.PointNumber);                 return result;            }             /// <summary>            /// Default instance of the metadata record sorter.            /// </summary>            public static readonly MetadataSorter Default = new MetadataSorter();        }         /// <summary>        /// This is a wrapper around a MetadataRecord that allows auto-generation        /// of columns in the data grid based on the public properties of this class.        /// </summary>        public class MetadataWrapper : INotifyPropertyChanged        {            #region [ Members ]             // Events             /// <summary>            /// Event triggered when a property is changed.            /// </summary>            public event PropertyChangedEventHandler PropertyChanged;             // Fields            private readonly ArchiveReader m_archiveReader;            private readonly MetadataRecord m_metadata;            private bool m_export;             #endregion             #region [ Constructors ]             /// <summary>            /// Creates a new instance of the <see cref="MetadataWrapper"/> class.            /// </summary>            /// <param name="archiveReader">The <see cref="ArchiveReader"/> that the metadata record came from.</param>            /// <param name="metadata">The <see cref="MetadataRecord"/> to be wrapped.</param>            public MetadataWrapper(ArchiveReader archiveReader, MetadataRecord metadata)            {                metadata.Synonym2 = ValidateSynonym2(metadata.Synonym2);                 m_archiveReader = archiveReader;                m_metadata = metadata;            }             #endregion             #region [ Properties ]             /// <summary>            /// Determines whether the measurement represented by this metadata record            /// should be exported to CSV or displayed on the graph by the Historian Data Viewer.            /// </summary>            public bool Export            {                get                {                    return m_export;                }                set                {                    m_export = value;                    OnPropertyChanged("Export");                }            }             /// <summary>            /// Gets the point number of the measurement.            /// </summary>            public int PointNumber            {                get                {                    return m_metadata.HistorianID;                }            }             /// <summary>            /// Gets the name of the measurement.            /// </summary>            public string Name            {                get                {                    // This formats name in accordance with COMTRADE standard Annex H (may need to make this optional)                    return FormatName(m_metadata.Name, m_metadata.Synonym1, m_metadata.Synonym2);                }            }             /// <summary>            /// Gets the point tag of the measurement.            /// </summary>            public string PointTag            {                get                {                    return m_metadata.Name;                }            }             /// <summary>            /// Gets the description of the measurement.            /// </summary>            public string Description            {                get                {                    return m_metadata.Description;                }            }             /// <summary>            /// Gets the first alternate name for the measurement.            /// </summary>            public string Synonym1            {                get                {                    return m_metadata.Synonym1;                }            }             /// <summary>            /// Gets the second alternate name for the measurement.            /// </summary>            public string Synonym2            {                get                {                    return m_metadata.Synonym2;                }            }             /// <summary>            /// Gets the third alternate name for the measurement.            /// </summary>            public string Synonym3            {                get                {                    return m_metadata.Synonym3;                }            }             /// <summary>            /// Gets the system name.            /// </summary>            public string System            {                get                {                    return m_metadata.SystemName;                }            }             /// <summary>            /// Gets the low range of the measurement.            /// </summary>            public Single LowRange            {                get                {                    return m_metadata.Summary.LowRange;                }            }             /// <summary>            /// Gets the high range of the measurement.            /// </summary>            public Single HighRange            {                get                {                    return m_metadata.Summary.HighRange;                }            }             /// <summary>            /// Gets the engineering units used to measure the values.            /// </summary>            public string EngineeringUnits            {                get                {                    return m_metadata.AnalogFields.EngineeringUnits;                }            }             /// <summary>            /// Gets the unit number of the measurement.            /// </summary>            public int Unit            {                get                {                    return m_metadata.UnitNumber;                }            }             #endregion             #region [ Methods ]             /// <summary>            /// Returns the <see cref="ArchiveReader"/> that the metadata record came from.            /// </summary>            /// <returns>The archive reader.</returns>            public ArchiveReader GetArchiveReader()            {                return m_archiveReader;            }             /// <summary>            /// Returns the wrapped <see cref="MetadataRecord"/>.            /// </summary>            /// <returns>The wrapped metadata record.</returns>            public MetadataRecord GetMetadata()            {                return m_metadata;            }             // Triggers the PropertyChanged event.            private void OnPropertyChanged(string propertyName)            {                if ((object)PropertyChanged != null)                    PropertyChanged(this, new PropertyChangedEventArgs(propertyName));            }             private string ValidateSynonym2(string synonym2)            {                return !string.IsNullOrEmpty(synonym2) ? synonym2.Trim() : "ALOG";            }             private string FormatName(string name, string synonym1, string synonym2)            {                string[] parts;                int lastIndexOf;                 if (string.IsNullOrEmpty(name))                    return name;                 parts = name.Split(':');                 if (parts.Length > 1)                {                    // Separate name from point tag suffix                    name = parts[0];                     switch (synonym2)                    {                        case "FLAG":                            return name;                         case "DIGI":                        case "ALOG":                        case "STAT":                        case "ALRM":                            lastIndexOf = synonym1.LastIndexOf('-');                             if (lastIndexOf > 0)                                return name + ':' + synonym1.Substring(lastIndexOf + 1);                             return name + ':' + synonym2;                         default:                            lastIndexOf = name.LastIndexOf('-');                             if (lastIndexOf > 0)                                return name.Substring(0, lastIndexOf) + ':' + name.Substring(lastIndexOf + 1);                             return name + ':' + synonym2;                    }                }                 return name + ':' + synonym2;            }             #endregion        }         // Fields        private readonly ICollection<ArchiveReader> m_archiveReaders;        private readonly List<MetadataWrapper> m_metadata;        private string[] m_tokens;         private string m_currentSessionPath;         private DateTime m_startTime;        private DateTime m_endTime;        private bool m_showDisabledPoints;         private FileType m_exportFileType;        private int m_exportFrameRate;        private double m_exportNominalFrequency;        private bool m_alignTimestampsInExport;         private readonly ICollection<MenuItem> m_contextMenuItems;        private readonly ICollection<string> m_visibleColumns;        private ChartWindow m_chartWindow;         #endregion         #region [ Constructors ]         /// <summary>        /// Creates a new instance of the <see cref="MainWindow"/> class.        /// </summary>        public MainWindow()        {            m_archiveReaders = new List<ArchiveReader>();            m_metadata = new List<MetadataWrapper>();            m_contextMenuItems = new List<MenuItem>();            m_visibleColumns = new HashSet<string>();             InitializeComponent();            InitializeChartWindow();             m_exportFrameRate = 30;            m_exportNominalFrequency = 60.0D;            m_alignTimestampsInExport = true;             m_currentTimeCheckBox.IsChecked = true;        }         #endregion         #region [ Properties ]         /// <summary>        /// Gets or sets a boolean that determines whether an archive is open or not.        /// </summary>        public bool ArchiveIsOpen        {            get            {                return m_saveButton.IsEnabled;            }            set            {                m_saveButton.IsEnabled = value;                m_saveMenuItem.IsEnabled = value;                m_saveAsMenuItem.IsEnabled = value;                 m_trendButton.IsEnabled = value;                m_trendMenuItem.IsEnabled = value;                 m_exportButton.IsEnabled = value;                m_exportMenuItem.IsEnabled = value;                ShowDisabledMenuItem.IsEnabled = value;            }        }         /// <summary>        /// Gets or sets the start time to be displayed on the graph or exported to CSV.        /// </summary>        public DateTime StartTime        {            get            {                return m_startTime;            }            set            {                m_startTime = value;                m_startTimeDatePicker.SelectedDate = value;                m_startTimeTextBox.Text = value.ToString("HH:mm:ss.fff");            }        }         /// <summary>        /// Gets or sets the end time to be displayed on the graph or exported to CSV.        /// </summary>        public DateTime EndTime        {            get            {                return m_endTime;            }            set            {                m_endTime = value;                m_endTimeDatePicker.SelectedDate = value;                m_endTimeTextBox.Text = value.ToString("HH:mm:ss.fff");            }        }         #endregion         #region [ Methods ]         // Initializes the chart window.        private void InitializeChartWindow()        {            if (m_chartWindow == null)            {                m_chartWindow = new ChartWindow();                m_chartWindow.ChartUpdated += ChartWindow_ChartUpdated;                m_chartWindow.Closing += ChildWindow_Closing;                TrySetChartInterval(null);            }        }         // Gets a string representation of the start time to be used when reading from the archive.        private string GetStartTime()        {            StringBuilder startTimeBuilder = new StringBuilder();             if (!m_currentTimeCheckBox.IsChecked.GetValueOrDefault())            {                startTimeBuilder.Append(m_startTime.ToString("MM/dd/yyyy HH:mm:ss.fff"));            }            else            {                startTimeBuilder.Append("*-");                startTimeBuilder.Append(m_currentTimeTextBox.Text);                startTimeBuilder.Append(m_currentTimeComboBox.SelectionBoxItem.ToString()[0]);            }

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