git_bsmd/ENI-2/ENI2/ENI2/SucheControl.xaml.cs

// Copyright (c) 2017 Informatibüro Daniel Schick
// Description: Haupteinstiegsmaske ENI-2: Suche


using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;

using bsmd.database;

namespace ENI2
{
    /// <summary>
    /// Interaction logic for SucheControl.xaml
    /// </summary>
    public partial class SucheControl : UserControl
    {

        private List<MessageCore> anmeldungen = new List<MessageCore>();

        #region Construction

        public SucheControl()
        {
            InitializeComponent();
        }

        #endregion

        public event MessageCore.MessageCoreSelectedHandler MessageCoreSelected;

        #region event handler searching

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            // Eingabefelder und Ergebnis löschen
            textBoxHafen.Text = string.Empty;
            textBoxId.Text = string.Empty;
            textBoxIMO.Text = string.Empty;
            textBoxName.Text = string.Empty;
            textBoxTicketNr.Text = string.Empty;
            dateTimePickerETAFrom.SelectedDate = null;
            dateTimePickerETATo.SelectedDate = null;
            this.dataGrid.ItemsSource = null;
            this.searchResultLabel.Content = "";
        }

        private void buttonSuche_Click(object sender, RoutedEventArgs e)
        {
            // filter auswerten
            Dictionary<MessageCore.SearchFilterType, string> filterDict = new Dictionary<MessageCore.SearchFilterType, string>();
            if (!this.textBoxHafen.Text.Trim().IsNullOrEmpty())
                filterDict.Add(MessageCore.SearchFilterType.FILTER_PORT, this.textBoxHafen.Text.Trim());
            if (!this.textBoxId.Text.Trim().IsNullOrEmpty())
                filterDict.Add(MessageCore.SearchFilterType.FILTER_ID, this.textBoxId.Text.Trim());
            if (!this.textBoxIMO.Text.Trim().IsNullOrEmpty())
                filterDict.Add(MessageCore.SearchFilterType.FILTER_IMO, this.textBoxIMO.Text.Trim());
            if (!this.textBoxName.Text.Trim().IsNullOrEmpty())
                filterDict.Add(MessageCore.SearchFilterType.FILTER_SHIPNAME, this.textBoxName.Text.Trim());
            if (!this.textBoxTicketNr.Text.Trim().IsNullOrEmpty())
                filterDict.Add(MessageCore.SearchFilterType.FILTER_TICKETNO, this.textBoxTicketNr.Text.Trim());

            uint? from = null, to = null;
            if(this.dateTimePickerETAFrom.SelectedDate.HasValue)
            {
                from = this.dateTimePickerETAFrom.SelectedDate.Value.ToUnixTimeStamp();
            }
            if(this.dateTimePickerETATo.SelectedDate.HasValue)
            {
                DateTime toTime = this.dateTimePickerETATo.SelectedDate.Value.Add(new TimeSpan(23, 59, 59)); // search till the end of the "to" day (no time selection)
                to = toTime.ToUnixTimeStamp();
            }

            if (from.HasValue || to.HasValue)
                filterDict.Add(MessageCore.SearchFilterType.FILTER_ETA, string.Format("{0}:{1}", from?.ToString() ?? "", to?.ToString() ?? ""));

            // suche auslösen
            this.anmeldungen = DBManager.Instance.GetMessageCoresWithFilters(filterDict);

            if (App.UserId.HasValue)
            {
                // "locks" dazu abfragen
                LockingServiceReference.CoreLock[] coreLocks = App.LockingServiceClient.GetLocks();
                Dictionary<Guid, bool?> coreLockUpdateDict = new Dictionary<Guid, bool?>();
                for (int i = 0; i < coreLocks.Length; i++)
                {
                    bool lockState = coreLocks[i].UserId.Equals(App.UserId.Value);
                    coreLockUpdateDict[coreLocks[i].CoreId] = lockState;
                }

                foreach (MessageCore core in this.anmeldungen)
                    if (coreLockUpdateDict.ContainsKey(core.Id.Value))
                        core.Locked = coreLockUpdateDict[core.Id.Value];

            }

            // ergebnis anzeigen
            this.dataGrid.ItemsSource = this.anmeldungen;
            this.searchResultLabel.Content = (this.anmeldungen.Count > 0) ? string.Format("{0} results found.", this.anmeldungen.Count) : "no results";

        }

        private void etaValueChanged(object sender, EventArgs args)
        {
            bool valid = true;
            if ((this.dateTimePickerETAFrom.SelectedDate.HasValue) && (this.dateTimePickerETATo.SelectedDate.HasValue) &&
                this.dateTimePickerETATo.SelectedDate.Value < this.dateTimePickerETAFrom.SelectedDate.Value)
                valid = false;

            this.dateTimePickerETAFrom.Background = valid ? SystemColors.ControlBrush : Brushes.Red;
            this.dateTimePickerETATo.Background = valid ? SystemColors.ControlBrush : Brushes.Red;
        }

        #endregion

        #region Selection event handling

        private void DisplayCore(MessageCore core)
        {
            if (core != null)
            {
                this.OnMessageCoreSelected(core);
            }
        }

        protected void OnMessageCoreSelected(MessageCore aMessageCore)
        {
            if ((this.MessageCoreSelected != null) && (aMessageCore != null))
            {
                this.MessageCoreSelected(aMessageCore);
            }
        }

        private void dataGrid_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            if (sender != null)
            {
                DataGrid grid = sender as DataGrid;
                if ((grid != null) && (grid.SelectedItems != null) && (grid.SelectedItems.Count == 1))
                {
                    DataGridRow dgr = grid.ItemContainerGenerator.ContainerFromItem(grid.SelectedItem) as DataGridRow;
                    MessageCore selectedCore = grid.SelectedItem as MessageCore;
                    this.DisplayCore(selectedCore);
                }
            }
        }

        private void dataGrid_PreviewKeyDown(object sender, KeyEventArgs e)
        {
            if ((e.Key == Key.Return) || (e.Key == Key.Enter))
            {
                MessageCore selectedCore = dataGrid.SelectedItem as MessageCore;
                this.DisplayCore(selectedCore);
            }
            else
            {
                base.OnPreviewKeyDown(e);
            }
        }

        #endregion

    }
}