//******************************************************************************************************//  OutputStreamUserControl.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://  ----------------------------------------------------------------------------------------------------//  08/16/2011 - Magdiel Lorenzo//       Generated original version of source code.//  09/12/2011 - Mehulbhai Thakkar//       Modified code to use MVVM pattern.//  09/14/2012 - Aniket Salver //          Added paging and sorting technique. //****************************************************************************************************** using System;using System.Collections.Generic;using System.ComponentModel;using System.Windows;using System.Windows.Controls;using System.Windows.Input;using System.Windows.Media.Imaging;using GSF.TimeSeries.UI;using GSF.TimeSeries.UI.UserControls;using GSF.PhasorProtocols.UI.ViewModels; namespace GSF.PhasorProtocols.UI.UserControls{    /// <summary>    /// Interaction logic for OutputStreamUserControl.xaml    /// </summary>    public partial class OutputStreamUserControl : UserControl    {        #region [ Members ]         private bool m_committing;        private readonly OutputStreams m_dataContext;        private DataGridColumn m_sortColumn;        private string m_sortMemberPath;        private ListSortDirection m_sortDirection;         #endregion         #region [ Constructor ]         /// <summary>        /// Creates an instance of <see cref="OutputStreamUserControl"/>.        /// </summary>        public OutputStreamUserControl()        {            InitializeComponent();            m_dataContext = new OutputStreams(5);            m_dataContext.PropertyChanged += ViewModel_PropertyChanged;            this.DataContext = m_dataContext;        }         #endregion         #region [ Methods ]         private void ButtonHelp_Click(object sender, RoutedEventArgs e)        {            PanAndZoomViewer viewer = new PanAndZoomViewer(new BitmapImage(new Uri(@"/GSF.PhasorProtocols.UI;component/Images/" + ((Button)sender).Tag, UriKind.Relative)), "Help Me Choose");            viewer.Owner = Window.GetWindow(this);            viewer.WindowStartupLocation = WindowStartupLocation.CenterOwner;            viewer.ShowDialog();        }         private void DataGrid_PreviewKeyDown(object sender, KeyEventArgs e)        {            if (e.Key == Key.Delete)            {                DataGrid dataGrid = sender as DataGrid;                if (dataGrid.SelectedItems.Count > 0)                {                    if (MessageBox.Show("Are you sure you want to delete " + dataGrid.SelectedItems.Count + " selected item(s)?", "Delete Selected Items", MessageBoxButton.YesNo) == MessageBoxResult.No)                        e.Handled = true;                }            }        }         private void DataGrid_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)        {            if (!m_committing && e.EditAction == DataGridEditAction.Commit)            {                m_committing = true;                DataGridList.CommitEdit(DataGridEditingUnit.Row, true);                m_dataContext.ProcessPropertyChange();                m_committing = false;            }        }         private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)        {            ComboBoxMirrorSource.SelectedItem = new KeyValuePair<string, string>(m_dataContext.CurrentItem.MirroringSourceDevice, m_dataContext.CurrentItem.MirroringSourceDevice);        }         private void OSGrid_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();            }        }         private void GridDetailView_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)        {            if (m_dataContext.IsNewRecord)                DataGridList.SelectedIndex = -1;        }         private void DataGridEnabledCheckBox_Click(object sender, RoutedEventArgs e)        {            // Get a reference to the enabled checkbox that was clicked            CheckBox enabledCheckBox = sender as CheckBox;             if ((object)enabledCheckBox != null)            {                // Get the runtime ID of the currently selected output stream                string runtimeID = m_dataContext.RuntimeID;                 if (!string.IsNullOrWhiteSpace(runtimeID))                {                    try                    {                        // Auto-save changes to the output stream                        m_dataContext.ProcessPropertyChange();                         if (m_dataContext.CanSave)                        {                            if (enabledCheckBox.IsChecked.GetValueOrDefault())                                CommonFunctions.SendCommandToService("Initialize " + runtimeID);                            else                                CommonFunctions.SendCommandToService("ReloadConfig");                        }                    }                    catch (Exception ex)                    {                        if ((object)ex.InnerException != null)                            CommonFunctions.LogException(null, "Output Stream Autosave", ex.InnerException);                        else                            CommonFunctions.LogException(null, "Output Stream Autosave", ex);                    }                }            }        }         #endregion    }}