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Meik
362
FasdDesktopUi/Basics/UserControls/SearchBar.xaml.cs
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362
FasdDesktopUi/Basics/UserControls/SearchBar.xaml.cs
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using System.Windows.Threading;
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using FasdDesktopUi.Basics.Models;
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using C4IT.FASD.Cockpit.Communication;
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using C4IT.Logging;
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using static C4IT.Logging.cLogManager;
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using C4IT.MultiLanguage;
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using C4IT.FASD.Base;
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namespace FasdDesktopUi.Basics.UserControls
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{
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public partial class SearchBar : UserControl, IBlurInvoker
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{
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private const int constTimeBetweenKeystrokes = 250;
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#region Propeties
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public enum eSearchStatus { message, active, fixedResult };
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public eSearchStatus SearchStatus { get; private set; } = eSearchStatus.message;
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#region Search Value Property
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private readonly DispatcherTimer _searchTimer = new DispatcherTimer();
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private static CancellationTokenSource _currentSearchTaskToken = null;
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private static Guid? _currentSearchTaskId = null;
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private static readonly object _currentSearchTaskLock = new object();
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private string _searchValue = null;
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public string SearchValue
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{
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get => _searchValue;
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set
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{
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if (value != _searchValue)
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{
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_searchValue = value;
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if (SearchStatus == eSearchStatus.active)
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HandleSearchValueChanged();
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}
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}
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}
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private readonly Dictionary<enumF4sdSearchResultClass, UIElement> _searchIcons = null;
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#endregion
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public event EventHandler<string> SearchValueChanged;
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public delegate Task ChangedSearchValueDelegate(cFilteredResults results);
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public ChangedSearchValueDelegate ChangedSearchValue { get; set; } = null;
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public Action CancledSearchAction { get; set; }
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public bool BlurInvoker_IsActive => IsVisible;
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#endregion
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#region Dependency Propertys
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public double SearchButtonSize
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{
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get { return (double)GetValue(SearchButtonSizeProperty); }
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set { SetValue(SearchButtonSizeProperty, value); }
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}
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public static readonly DependencyProperty SearchButtonSizeProperty =
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DependencyProperty.Register("SearchButtonSize", typeof(double), typeof(SearchBar), new PropertyMetadata(30.0));
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public double CloseButtonSize
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{
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get { return (double)GetValue(CloseButtonSizeProperty); }
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set { SetValue(CloseButtonSizeProperty, value); }
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}
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public static readonly DependencyProperty CloseButtonSizeProperty =
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DependencyProperty.Register("CloseButtonSize", typeof(double), typeof(SearchBar), new PropertyMetadata(30.0));
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#endregion
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public SearchBar()
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{
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InitializeComponent();
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_searchIcons = new Dictionary<enumF4sdSearchResultClass, UIElement>()
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{
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{ enumF4sdSearchResultClass.Phone, PhoneCallIndicator },
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{ enumF4sdSearchResultClass.User, UserCallIndicator },
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{ enumF4sdSearchResultClass.Computer, ComputerCallIndicator }
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};
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}
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public void BlurInvoker_IsActiveChanged(object sender, DependencyPropertyChangedEventArgs e)
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{
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BlurInvoker.InvokeVisibilityChanged(this, new EventArgs());
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if (e.NewValue is bool newVisible)
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{
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if (newVisible == false)
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{
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SearchTextBox.IsEnabled = true;
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SearchButton.Visibility = Visibility.Visible;
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WarningIndicator.Visibility = Visibility.Collapsed;
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TicketOverview.Instance?.ResetSelection();
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foreach (var Entry in _searchIcons.Values)
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Entry.Visibility = Visibility.Collapsed;
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}
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SetApiStatus();
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}
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if (Visibility == Visibility.Visible)
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{
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var _h = Dispatcher.BeginInvoke((Action)delegate { Keyboard.Focus(SearchTextBox); }, DispatcherPriority.Render);
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}
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}
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public void Clear()
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{
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SearchStatus = eSearchStatus.message;
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SearchTextBox.Text = null;
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}
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public void ActivateManualSearch()
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{
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SearchStatus = eSearchStatus.active;
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SearchButton.Visibility = Visibility.Visible;
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WarningIndicator.Visibility = Visibility.Collapsed;
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foreach (var Entry in _searchIcons.Values)
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Entry.Visibility = Visibility.Collapsed;
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SearchTextBox.Text = null;
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SearchTextBox.IsEnabled = true;
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SearchTextBox.Focus();
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Keyboard.Focus(SearchTextBox);
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}
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public void SetSearchText(string search)
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{
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SearchStatus = eSearchStatus.active;
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SearchTextBox.Text = search;
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SearchTextBox.CaretIndex = search.Length;
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SearchTextBox.Focus();
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Keyboard.Focus(SearchTextBox);
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}
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internal void SetSpinnerVisibility(Visibility visibility)
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{
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Dispatcher.Invoke(() => SearchSpinner.Visibility = visibility);
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}
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public async Task SetFixedSearchResultAsync(enumF4sdSearchResultClass Class, string search, cFilteredResults _result)
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{
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SearchStatus = eSearchStatus.fixedResult;
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SearchTextBox.IsEnabled = false;
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SearchButton.Visibility = Visibility.Collapsed;
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WarningIndicator.Visibility = Visibility.Collapsed;
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foreach (var entryIcon in _searchIcons)
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{
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if (Class == entryIcon.Key)
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entryIcon.Value.Visibility = Visibility.Visible;
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else
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entryIcon.Value.Visibility = Visibility.Collapsed;
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}
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SearchTextBox.Text = search;
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await ChangedSearchValue.Invoke(_result);
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}
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public void SetApiStatus()
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{
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try
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{
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var Status = cConnectionStatusHelper.Instance?.ApiConnectionStatus;
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if (Status == null)
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return;
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bool IsEnabled = false;
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string txt = null;
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switch (Status)
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{
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case cConnectionStatusHelper.enumOnlineStatus.online:
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IsEnabled = true;
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break;
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case cConnectionStatusHelper.enumOnlineStatus.connectionError:
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txt = cMultiLanguageSupport.GetItem("Searchbar.Status.ConnectError");
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break;
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case cConnectionStatusHelper.enumOnlineStatus.incompatibleServerVersion:
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txt = cMultiLanguageSupport.GetItem("Searchbar.Status.IncompatibleVersion");
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break;
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case cConnectionStatusHelper.enumOnlineStatus.serverStarting:
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txt = cMultiLanguageSupport.GetItem("Searchbar.Status.ServerStarting");
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break;
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case cConnectionStatusHelper.enumOnlineStatus.serverNotConfigured:
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txt = cMultiLanguageSupport.GetItem("Searchbar.Status.ServerNotConfigured");
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break;
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case cConnectionStatusHelper.enumOnlineStatus.illegalConfig:
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txt = cMultiLanguageSupport.GetItem("Searchbar.Status.IllegalConfig");
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break;
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case cConnectionStatusHelper.enumOnlineStatus.unauthorized:
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txt = cMultiLanguageSupport.GetItem("Searchbar.Status.Unauthorized");
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break;
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default:
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txt = cMultiLanguageSupport.GetItem("Searchbar.Status.Offline");
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break;
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}
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if (!IsEnabled)
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{
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SearchStatus = eSearchStatus.message;
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SearchTextBox.Text = txt;
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SearchTextBox.IsEnabled = false;
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WarningIndicator.Visibility = Visibility.Visible;
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SearchButton.Visibility = Visibility.Collapsed;
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foreach (var Entry in _searchIcons.Values)
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Entry.Visibility = Visibility.Collapsed;
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}
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}
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catch (Exception E)
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{
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LogException(E);
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}
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finally
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{
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}
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}
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private async Task CancelRunningSearchTaskAsync()
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{
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// cancel the search task, in case of a running search task
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lock (_currentSearchTaskLock)
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{
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if (_currentSearchTaskToken != null)
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{
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LogEntry("Canceling current running search...");
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_currentSearchTaskToken.Cancel(true);
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_currentSearchTaskToken = null;
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}
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}
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// send a stop to the server, in case of a running search task
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Guid? currentTaskId = null;
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lock (_currentSearchTaskLock)
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{
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if (_currentSearchTaskId != null)
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{
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currentTaskId = _currentSearchTaskId;
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_currentSearchTaskId = null;
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}
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}
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if (currentTaskId != null)
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{
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LogEntry("Sending a search stop...");
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await cFasdCockpitCommunicationBase.Instance.GetSearchResultsStop((Guid)currentTaskId, CancellationToken.None);
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}
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}
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private async void UpdateSearchResultsTick(object sender, EventArgs e)
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{
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MethodBase CM = null; if (cLogManager.DefaultLogger.IsDebug) { CM = MethodBase.GetCurrentMethod(); LogMethodBegin(CM); }
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try
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{
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_searchTimer.Stop();
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await CancelRunningSearchTaskAsync();
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lock (_currentSearchTaskLock)
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{
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LogEntry("Start running new search...");
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SearchValueChanged?.Invoke(this, SearchValue);
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}
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}
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catch (Exception E)
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{
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LogException(E);
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}
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finally
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{
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if (CM != null) LogMethodEnd(CM);
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}
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}
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private void HandleSearchValueChanged()
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{
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MethodBase CM = null; if (cLogManager.DefaultLogger.IsDebug) { CM = MethodBase.GetCurrentMethod(); LogMethodBegin(CM); }
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try
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{
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if (!SearchTextBox.IsEnabled)
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return;
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if (_searchTimer.IsEnabled)
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_searchTimer.Stop();
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_searchTimer.Start();
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_ = Task.Run(async () => { await CancelRunningSearchTaskAsync(); });
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}
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catch (Exception E)
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{
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LogException(E);
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}
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finally
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{
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if (CM != null) LogMethodEnd(CM);
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}
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}
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private void SearchButton_Click(object sender, InputEventArgs e)
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{
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SearchTextBox.Focus();
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}
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#region CancledSearch Event
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public static readonly RoutedEvent CancledSearchEvent = EventManager.RegisterRoutedEvent("CancledSearch", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(SearchBar));
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public event RoutedEventHandler CancledSearch
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{
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add { AddHandler(CancledSearchEvent, value); }
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remove { RemoveHandler(CancledSearchEvent, value); }
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}
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private void RaiseCancledSearchEvent()
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{
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RoutedEventArgs newEventArgs = new RoutedEventArgs(CancledSearchEvent);
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RaiseEvent(newEventArgs);
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}
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#endregion
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private void CloseButton_Click(object sender, InputEventArgs e)
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{
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RaiseCancledSearchEvent();
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if (cConnectionStatusHelper.Instance?.ApiConnectionStatus == cConnectionStatusHelper.enumOnlineStatus.online)
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SearchTextBox.Text = null;
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CancledSearchAction?.Invoke();
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}
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private void SearchBar_Loaded(object sender, RoutedEventArgs e)
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{
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_searchTimer.Stop();
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_searchTimer.Interval = TimeSpan.FromMilliseconds(constTimeBetweenKeystrokes);
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_searchTimer.Tick += UpdateSearchResultsTick;
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BackgroundBorder.CornerRadius = new CornerRadius(BackgroundBorder.ActualHeight / 2.0);
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}
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}
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}
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