//******************************************************************************************************//  OutputStreamDeviceMeasurementUserControl.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://  ----------------------------------------------------------------------------------------------------//  09/14/2011 - Aniket Salver//       Generated original version of source code.//  09/16/2011 - Mehulbhai Thakkar//       Added code to attach this user control to parent Output Stream.//       Added delete key handling logic.//  09/15/2012 - Aniket Salver //          Added paging and sorting technique. ////****************************************************************************************************** using System;using System.Collections.Generic;using System.Collections.ObjectModel;using System.ComponentModel;using System.Linq;using System.Windows;using System.Windows.Controls;using System.Windows.Input;using GSF.PhasorProtocols.UI.DataModels;using GSF.PhasorProtocols.UI.ViewModels;using GSF.TimeSeries.UI;using Measurement = GSF.TimeSeries.UI.DataModels.Measurement; namespace GSF.PhasorProtocols.UI.UserControls{    /// <summary>    /// Interaction logic for OutputStreamMeasurementUserControl.xaml    /// </summary>    public partial class OutputStreamMeasurementUserControl : UserControl    {        #region [ Members ]         private OutputStreamMeasurements m_dataContext;        private readonly int m_outputStreamID;        private ObservableCollection<Measurement> m_newMeasurements;        private DataGridColumn m_sortColumn;        private string m_sortMemberPath;        private ListSortDirection m_sortDirection;         #endregion         #region [ Constructors ]         /// <summary>        /// Creates an instance of <see cref="OutputStreamMeasurementUserControl"/> class.        /// </summary>        public OutputStreamMeasurementUserControl(int outputStreamID)        {            InitializeComponent();            m_outputStreamID = outputStreamID;            m_dataContext = new OutputStreamMeasurements(outputStreamID, 23);            this.DataContext = m_dataContext;            m_dataContext.PropertyChanged += ViewModel_PropertyChanged;            m_newMeasurements = new ObservableCollection<Measurement>();        }         #endregion         #region [ Methods ]         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;                }            }        }         #region [ Popup Code ]         private void ButtonAddMore_Click(object sender, RoutedEventArgs e)        {            IEnumerable<Measurement> selectedMeasurements;            ObservableCollection<Measurement> addedMeasurements;             // Determine which of the selected measurements have been added to the output stream measurements            selectedMeasurements = Measurement.LoadFromKeys(null, MeasurementPager.SelectedMeasurements.ToList());            addedMeasurements = new ObservableCollection<Measurement>(selectedMeasurements);             // Add measurements to output stream measurements            OutputStreamMeasurement.AddMeasurements(null, m_outputStreamID, addedMeasurements);            m_dataContext = new OutputStreamMeasurements(m_outputStreamID, 23);            this.DataContext = m_dataContext;            PopupAddMore.IsOpen = false;        }         private void ButtonCancel_Click(object sender, RoutedEventArgs e)        {            m_dataContext = new OutputStreamMeasurements(m_outputStreamID, 23);            this.DataContext = m_dataContext;            PopupAddMore.IsOpen = false;        }         #endregion         private void Button_Click(object sender, RoutedEventArgs e)        {            if ((object)CommonFunctions.CurrentPrincipal != null &&                CommonFunctions.CurrentPrincipal.IsInRole("Administrator, Editor"))            {                MeasurementPager.ClearSelections();                PopupAddMore.IsOpen = true;            }        }         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();            }        }         private void GridDetailView_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)        {            if (m_dataContext.IsNewRecord)                DataGridList.SelectedIndex = -1;        }         #endregion    }}