Umbenennung
This commit is contained in:
Kevin Krüger
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namespace VideoBrowser.Controls.CefSharpBrowser.ViewModels
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{
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using Dragablz;
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using Dragablz.Dockablz;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Collections.Specialized;
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using System.ComponentModel;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Media;
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using VideoBrowser.Common;
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using VideoBrowser.Controls.CefSharpBrowser.Helpers;
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using VideoBrowser.Extensions;
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using VideoBrowser.Helpers;
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using VideoBrowser.Resources;
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/// <summary>
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/// Defines the <see cref="WebBrowserTabControlViewModel" />.
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/// </summary>
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public class WebBrowserTabControlViewModel : INotifyPropertyChanged, IDisposable
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{
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#region Fields
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private static int IdCounter;
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private int _selectedTabIndex;
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#endregion Fields
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#region Constructors
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/// <summary>
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/// Initializes a new instance of the <see cref="WebBrowserTabControlViewModel"/> class.
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/// </summary>
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/// <param name="globalBrowserData">The globalBrowserData<see cref="GlobalBrowserData"/>.</param>
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public WebBrowserTabControlViewModel(GlobalBrowserData globalBrowserData)
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{
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this.GlobalBrowserData = globalBrowserData;
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this.CefWindowData = new CefWindowData();
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this.TabItems = new ObservableCollection<TabItem>();
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this.TabItems.CollectionChanged += this.OnTabItems_CollectionChanged;
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this.CreateBrowserFunc = this.CreateBrowser;
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this.CefWindowData.CefRequestHandler.OpenUrlFromTabAction = this.OnOpenUrlFromTab;
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this.CefWindowData.CefContextMenuHandler.OpenInNewTabAction = this.OnOpenUrlFromTab;
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this.CefWindowData.CefContextMenuHandler.OpenInNewWindowAction = this.OnOpenUrlFromWindow;
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this.LoadedCommand = new RelayCommand(this.OnLoaded, nameof(this.LoadedCommand));
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}
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#endregion Constructors
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#region Events
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/// <summary>
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/// Defines the PropertyChanged.
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/// </summary>
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public event PropertyChangedEventHandler PropertyChanged;
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#endregion Events
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#region Properties
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/// <summary>
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/// Gets the CefWindowData.
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/// </summary>
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public CefWindowData CefWindowData { get; }
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/// <summary>
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/// Gets the ClosingFloatingItemHandler.
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/// </summary>
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public ClosingFloatingItemCallback ClosingFloatingItemHandler => ClosingFloatingItemHandlerImpl;
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/// <summary>
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/// Gets the ClosingTabItemHandler.
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/// </summary>
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public ItemActionCallback ClosingTabItemHandler => ClosingTabItemHandlerImpl;
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/// <summary>
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/// Gets or sets the CreateBrowserFunc.
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/// </summary>
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public Func<HeaderedItemViewModel> CreateBrowserFunc { get; set; }
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/// <summary>
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/// Gets the GlobalBrowserData.
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/// </summary>
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public GlobalBrowserData GlobalBrowserData { get; }
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/// <summary>
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/// Gets or sets the Icon.
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/// </summary>
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public Geometry Icon { get; set; } = Icons.SearchVideo;
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/// <summary>
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/// Gets the Id.
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/// </summary>
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public int Id { get; } = IdCounter++;
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/// <summary>
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/// Gets the InterTabClient.
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/// </summary>
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public IInterTabClient InterTabClient => this.GlobalBrowserData.InterTabClient;
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/// <summary>
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/// Gets or sets the LoadedCommand.
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/// </summary>
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public ICommand LoadedCommand { get; set; }
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/// <summary>
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/// Gets or sets the SelectedTabIndex.
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/// </summary>
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public int SelectedTabIndex { get => _selectedTabIndex; set => this.Set(this.PropertyChanged, ref _selectedTabIndex, value); }
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/// <summary>
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/// Gets the TabItems.
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/// </summary>
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public ObservableCollection<TabItem> TabItems { get; }
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/// <summary>
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/// Gets the ToolItems.
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/// </summary>
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public ObservableCollection<HeaderedItemViewModel> ToolItems { get; } = new ObservableCollection<HeaderedItemViewModel>();
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#endregion Properties
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#region Methods
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/// <summary>
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/// The AddTab.
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/// </summary>
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/// <param name="item">The item<see cref="TabItem"/>.</param>
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public void AddTab(TabItem item)
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{
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if (this.IsTabItemExist(item.Guid))
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{
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this.SetActiveTab(item.Guid);
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Logger.Info($"Add tab canceled: Tab {item.Title} exists.");
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return;
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}
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this.TabItems.Add(item);
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Logger.Info($"Tab {item.Title} is added.");
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this.SelectedTabIndex = this.TabItems.Count - 1;
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}
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/// <summary>
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/// The Dispose.
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/// </summary>
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public void Dispose()
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{
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var settings = this.GlobalBrowserData.BrowserSettings;
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BrowserSettingsHelper.Save(settings, this);
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this.TabItems.CollectionChanged -= this.OnTabItems_CollectionChanged;
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this.TabItems.ClearAndDispose();
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}
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/// <summary>
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/// The IsTabItemExist.
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/// </summary>
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/// <param name="guid">The guid<see cref="Guid"/>.</param>
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/// <returns>The <see cref="bool"/>.</returns>
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public bool IsTabItemExist(Guid guid)
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{
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return this.TabItems.Any((o) => o.Guid == guid) && guid != Guid.Empty;
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}
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/// <summary>
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/// Returns a <see cref="System.String" /> that represents this instance.
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/// </summary>
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/// <returns>The <see cref="string"/>.</returns>
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public override string ToString()
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{
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var message = $"{nameof(WebBrowserTabControlViewModel)} {this.Id}";
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return message;
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}
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/// <summary>
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/// The SetActiveTab.
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/// </summary>
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/// <param name="guid">The guid<see cref="Guid"/>.</param>
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internal void SetActiveTab(Guid guid)
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{
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for (var i = 0; i < this.TabItems.Count; i++)
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{
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if (this.TabItems[i].Guid == guid)
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{
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this.SelectedTabIndex = i;
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break;
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}
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}
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}
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/// <summary>
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/// Callback to handle floating toolbar/MDI window closing.
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/// </summary>
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/// <param name="args">The args<see cref="ItemActionCallbackArgs{Layout}"/>.</param>
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private static void ClosingFloatingItemHandlerImpl(ItemActionCallbackArgs<Layout> args)
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{
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//in here you can dispose stuff or cancel the close
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//here's your view model:
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if (args.DragablzItem.DataContext is IDisposable disposable)
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{
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disposable.Dispose();
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}
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}
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/// <summary>
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/// Callback to handle tab closing.
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/// </summary>
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/// <param name="args">The args<see cref="ItemActionCallbackArgs{TabablzControl}"/>.</param>
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private static void ClosingTabItemHandlerImpl(ItemActionCallbackArgs<TabablzControl> args)
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{
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//in here you can dispose stuff or cancel the close
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//here's your view model:
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var viewModel = args.DragablzItem.DataContext as HeaderedItemViewModel;
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if (viewModel.Content is FrameworkElement element && element.DataContext is IDisposable disposable)
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{
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disposable?.Dispose();
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}
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//here's how you can cancel stuff:
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//args.Cancel();
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System.Diagnostics.Debug.Assert(viewModel != null);
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}
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/// <summary>
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/// The CreateBrowser.
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/// </summary>
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/// <returns>The <see cref="HeaderedItemViewModel"/>.</returns>
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private HeaderedItemViewModel CreateBrowser()
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{
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var model = new WebBrowserHeaderedItemViewModel(this.GlobalBrowserData, this.CefWindowData, null);
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return model;
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}
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/// <summary>
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/// The OnLoaded.
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/// </summary>
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/// <param name="obj">The obj<see cref="object"/>.</param>
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private void OnLoaded(object obj)
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{
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if (!this.GlobalBrowserData.IsSettingsLoaded)
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{
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this.GlobalBrowserData.IsSettingsLoaded = true;
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var settings = this.GlobalBrowserData.BrowserSettings;
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var tabSettings = settings.TabSettingModels;
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if (tabSettings.Any())
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{
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var firstTab = (this.TabItems.First().Content as FrameworkElement).DataContext as VideoBrowserViewModel;
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firstTab.NavigateUrl = tabSettings.First().Url;
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firstTab.Header = tabSettings.First().Title;
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for (var i = 1; i < tabSettings.Count; i++)
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{
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var tabItemSetting = tabSettings[i];
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this.OnOpenUrlFromTab(tabItemSetting.Url, tabItemSetting.Title);
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}
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Task.Run(async () =>
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{
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await Task.Delay(1000);
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this.SelectedTabIndex = settings.SelectedTabSettingIndex;
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});
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}
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foreach (var downloadItem in settings.DownloadItems)
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{
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if (System.IO.File.Exists(downloadItem.OutputPath))
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{
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this.GlobalBrowserData.DownloadItemModels.Add(downloadItem);
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}
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}
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}
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}
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/// <summary>
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/// The OnOpenUrlFromTab.
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/// </summary>
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/// <param name="url">The url<see cref="string"/>.</param>
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private void OnOpenUrlFromTab(string url)
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{
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OnOpenUrlFromTab(url, string.Empty);
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}
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/// <summary>
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/// The OnOpenUrlFromTab.
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/// </summary>
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/// <param name="url">The url<see cref="string"/>.</param>
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/// <param name="title">The title<see cref="string"/>.</param>
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private void OnOpenUrlFromTab(string url, string title)
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{
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UIThreadHelper.InvokeAsync(() =>
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{
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var browser = this.CreateBrowserFunc() as WebBrowserHeaderedItemViewModel;
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browser.VideoBrowserViewModel.NavigateUrl = url;
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if (!string.IsNullOrEmpty(title))
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{
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browser.VideoBrowserViewModel.Header = title;
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}
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this.AddTab(browser);
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});
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}
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/// <summary>
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/// The OnOpenUrlFromWindow.
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/// </summary>
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/// <param name="url">The url<see cref="string"/>.</param>
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private void OnOpenUrlFromWindow(string url)
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{
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var browser = this.CreateBrowserFunc() as WebBrowserHeaderedItemViewModel;
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browser.VideoBrowserViewModel.NavigateUrl = url;
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UIThreadHelper.Invoke(() =>
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{
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var (Window, TabablzControl) = this.GlobalBrowserData.InterTabClient.CreateWindow();
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Window.Show();
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if (TabablzControl.ItemsSource is ICollection<TabItem> items)
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{
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items.Add(browser);
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}
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});
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}
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/// <summary>
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/// The OnTabItems_CollectionChanged.
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/// </summary>
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/// <param name="sender">The sender<see cref="object"/>.</param>
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/// <param name="e">The e<see cref="NotifyCollectionChangedEventArgs"/>.</param>
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private void OnTabItems_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
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{
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if (e.Action == NotifyCollectionChangedAction.Add)
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{
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foreach (var item in e.NewItems)
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{
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if (item is WebBrowserHeaderedItemViewModel browserTabItem)
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{
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browserTabItem.VideoBrowserViewModel.CefWindowData = this.CefWindowData;
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}
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}
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}
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}
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#endregion Methods
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}
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}
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