/Synchrophasor/Current Version/Source/Libraries/openPDC.UI.WPF/UserControls/OutputStreamDeviceDigitalUserControl.xaml.cs

using System.Windows;

//******************************************************************************************************

//  OutputStreamDeviceDigitalUserControl.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 Eclipse Public License -v 1.0 (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/eclipse-1.0.php

//

//  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.

//  09/15/2012 - Aniket Salver 

//          Added paging and sorting technique. 

//

//******************************************************************************************************

using System.Windows.Controls;

using System.Windows.Input;

using openPDC.UI.ViewModels;

using System.ComponentModel;

using System;



namespace openPDC.UI.UserControls

{

    /// <summary>

    /// Interaction logic for OutputStreamDeviceDigitalUserControl.xaml

    /// </summary>

    public partial class OutputStreamDeviceDigitalUserControl : UserControl

    {

        #region [ Members ]



        private OutputStreamDeviceDigitals m_dataContext;

        private DataGridColumn m_sortColumn;

        private string m_sortMemberPath;

        private ListSortDirection m_sortDirection;



        #endregion



        #region [ Constructor ]



        /// <summary>

        /// Creates an instance of <see cref="OutputStreamDeviceDigitalUserControl"/>

        /// </summary>

        public OutputStreamDeviceDigitalUserControl(int outputStreamDeviceID)

        {

            InitializeComponent();

            m_dataContext = new OutputStreamDeviceDigitals(outputStreamDeviceID, 5, true);

            this.DataContext = m_dataContext;

            m_dataContext.PropertyChanged += new PropertyChangedEventHandler(ViewModel_PropertyChanged);

            DataGridList.SelectionChanged += new SelectionChangedEventHandler(DataGridList_SelectionChanged);

        }



        #endregion



        #region [ Methods ]



        private void DataGridList_SelectionChanged(object sender, SelectionChangedEventArgs e)

        {

            TextBoxLabel.ScrollToHome();

        }



        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_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

    }

}