//******************************************************************************************************//  AlarmStatusUserControl.xaml.cs - Gbtc////  Copyright © 2010, 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://  ----------------------------------------------------------------------------------------------------//  02/16/2012 - Stephen C. Wills//       Generated original version of source code.////****************************************************************************************************** using System;using System.ComponentModel;using System.Windows;using System.Windows.Controls;using System.Windows.Input;using GSF.TimeSeries.UI.ViewModels; namespace GSF.TimeSeries.UI.UserControls{    /// <summary>    /// Interaction logic for AlarmStatusUserControl.xaml    /// </summary>    public partial class AlarmStatusUserControl    {        #region [ Members ]         // Fields        private readonly RaisedAlarms m_dataContext;        private AlarmMonitor m_monitor;        private DataGridColumn m_sortColumn;        private string m_sortMemberPath;        private ListSortDirection m_sortDirection;         #endregion         #region [ Constructors ]         /// <summary>        /// Creates a new instance of the <see cref="AlarmStatusUserControl"/> class.        /// </summary>        public AlarmStatusUserControl()        {            InitializeComponent();            m_dataContext = new RaisedAlarms(20, false);            m_dataContext.PropertyChanged += ViewModel_PropertyChanged;            this.DataContext = m_dataContext;        }         #endregion         #region [ Methods ]         // Sets up the alarm monitor when the user control is loaded.        private void AlarmStatusUserControl_Loaded(object sender, RoutedEventArgs e)        {            int refreshInterval;             if ((object)AlarmMonitor.Default == null)                m_monitor = new AlarmMonitor();             m_dataContext.Monitor = AlarmMonitor.Default ?? m_monitor;             refreshInterval = m_dataContext.Monitor.RefreshInterval;            TextBlockAlarmRefreshInterval.Text = refreshInterval.ToString();            TextBoxRefreshInterval.Text = refreshInterval.ToString();        }         // When the user control is unloaded, disposes of the alarm        // monitor if this user control is the owner of the monitor.        private void AlarmStatusUserControl_Unloaded(object sender, RoutedEventArgs e)        {            if ((object)m_monitor != null)                m_monitor.Dispose();        }         // If escape is pressed, this either closes the popup window for        // entering settings or deselects the current item in the data grid.        private void AlarmStatusUserControl_PreviewKeyDown(object sender, KeyEventArgs e)        {            if (e.Key == Key.Escape)            {                if (PopupSettings.IsOpen)                {                    PopupSettings.IsOpen = false;                }                else                {                    m_dataContext.Clear();                    DataGridList.SelectedIndex = -1;                }            }        }         private void DataGrid_Sorting(object sender, DataGridSortingEventArgs e)        {            if (e.Column.SortMemberPath != m_sortMemberPath)                m_sortDirection = ListSortDirection.Ascending;            else if (m_sortDirection == ListSortDirection.Ascending)                m_sortDirection = ListSortDirection.Descending;            else                m_sortDirection = ListSortDirection.Ascending;             m_sortColumn = e.Column;            m_sortMemberPath = e.Column.SortMemberPath;            m_dataContext.SortData(m_sortMemberPath, m_sortDirection);        }         private void ViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)        {            if (e.PropertyName == "ItemsSource")                Dispatcher.BeginInvoke(new Action(SortDataGrid));        }         private void SortDataGrid()        {            if ((object)m_sortColumn != null)            {                m_sortColumn.SortDirection = m_sortDirection;                DataGridList.Items.SortDescriptions.Clear();                DataGridList.Items.SortDescriptions.Add(new SortDescription(m_sortMemberPath, m_sortDirection));                DataGridList.Items.Refresh();            }        }         // Sets the color of the rows as they are loaded.        private void DataGrid_LoadingRow(object sender, DataGridRowEventArgs e)        {            m_dataContext.SetRowColor(e.Row);        }         // Opens the popup for entering settings.        private void ButtonDisplaySettings_Click(object sender, RoutedEventArgs e)        {            PopupSettings.IsOpen = true;        }         // Saves changes to settings made in the popup.        private void ButtonSave_Click(object sender, RoutedEventArgs e)        {            int refreshInterval;             if (int.TryParse(TextBoxRefreshInterval.Text, out refreshInterval))            {                IsolatedStorageManager.WriteToIsolatedStorage("AlarmStatusRefreshInterval", refreshInterval);                TextBlockAlarmRefreshInterval.Text = refreshInterval.ToString();                m_dataContext.Monitor.RefreshInterval = refreshInterval;                PopupSettings.IsOpen = false;            }            else            {                m_dataContext.DisplayStatusMessage("Please provide integer value.");            }        }         // Restores original setting based on what is stored in the isolated storage manager.        private void ButtonRestore_Click(object sender, RoutedEventArgs e)        {            int refreshInterval;             IsolatedStorageManager.InitializeStorageForAlarmStatus(true);             if (!int.TryParse(IsolatedStorageManager.ReadFromIsolatedStorage("AlarmStatusRefreshInterval").ToString(), out refreshInterval) || refreshInterval < 0)                refreshInterval = AlarmMonitor.DefaultRefreshInterval;             TextBlockAlarmRefreshInterval.Text = refreshInterval.ToString();            TextBoxRefreshInterval.Text = refreshInterval.ToString();            m_dataContext.Monitor.RefreshInterval = refreshInterval;            PopupSettings.IsOpen = false;        }         // Closes the popup for entering settings.        private void ButtonCancel_Click(object sender, RoutedEventArgs e)        {            PopupSettings.IsOpen = false;        }         #endregion    }}