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CmdPal: Removing Core projects (#45693)
Functionally, no differences. - Removed Core projects. - Core.Common => Microsoft.CmdPal.Common - Core.ViewModels => Microsoft.CmdPal.UI.ViewModels --------- Co-authored-by: Jiří Polášek <me@jiripolasek.com>
This commit is contained in:
Michael Jolley
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// Copyright (c) Microsoft Corporation
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// The Microsoft Corporation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Diagnostics.CodeAnalysis;
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using Microsoft.CmdPal.UI.ViewModels.Commands;
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using Microsoft.CmdPal.UI.ViewModels.Models;
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using Microsoft.CommandPalette.Extensions;
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using Microsoft.CommandPalette.Extensions.Toolkit;
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namespace Microsoft.CmdPal.UI.ViewModels;
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public partial class ListItemViewModel : CommandItemViewModel
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{
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public new ExtensionObject<IListItem> Model { get; }
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public List<TagViewModel>? Tags { get; set; }
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// Remember - "observable" properties from the model (via PropChanged)
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// cannot be marked [ObservableProperty]
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public bool HasTags => (Tags?.Count ?? 0) > 0;
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public string TextToSuggest { get; private set; } = string.Empty;
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public string Section { get; private set; } = string.Empty;
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public ListItemType Type { get; private set; }
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public bool IsInteractive => Type == ListItemType.Item;
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public DetailsViewModel? Details { get; private set; }
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[MemberNotNullWhen(true, nameof(Details))]
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public bool HasDetails => Details is not null;
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public string AccessibleName { get; private set; } = string.Empty;
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public bool ShowTitle { get; private set; }
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public bool ShowSubtitle { get; private set; }
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public bool LayoutShowsTitle
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{
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get;
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set
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{
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if (SetProperty(ref field, value))
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{
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UpdateShowsTitle();
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}
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}
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}
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public bool LayoutShowsSubtitle
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{
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get;
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set
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{
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if (SetProperty(ref field, value))
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{
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UpdateShowsSubtitle();
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}
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}
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}
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public ListItemViewModel(IListItem model, WeakReference<IPageContext> context)
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: base(new(model), context)
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{
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Model = new ExtensionObject<IListItem>(model);
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}
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public override void InitializeProperties()
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{
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if (IsInitialized)
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{
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return;
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}
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// This sets IsInitialized = true
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base.InitializeProperties();
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var li = Model.Unsafe;
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if (li is null)
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{
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return; // throw?
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}
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UpdateTags(li.Tags);
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Section = li.Section ?? string.Empty;
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Type = EvaluateType();
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UpdateProperty(nameof(Section), nameof(Type), nameof(IsInteractive));
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UpdateAccessibleName();
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}
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private ListItemType EvaluateType()
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{
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return Command.IsSet
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? ListItemType.Item
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: string.IsNullOrEmpty(Section) ? ListItemType.Separator : ListItemType.SectionHeader;
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}
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public override void SlowInitializeProperties()
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{
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base.SlowInitializeProperties();
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var model = Model.Unsafe;
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if (model is null)
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{
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return;
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}
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var extensionDetails = model.Details;
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if (extensionDetails is not null)
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{
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Details = new(extensionDetails, PageContext);
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Details.InitializeProperties();
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UpdateProperty(nameof(Details), nameof(HasDetails));
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}
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AddShowDetailsCommands();
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TextToSuggest = model.TextToSuggest;
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UpdateProperty(nameof(TextToSuggest));
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}
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protected override void FetchProperty(string propertyName)
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{
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base.FetchProperty(propertyName);
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var model = this.Model.Unsafe;
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if (model is null)
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{
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return; // throw?
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}
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switch (propertyName)
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{
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case nameof(model.Tags):
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UpdateTags(model.Tags);
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break;
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case nameof(model.TextToSuggest):
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TextToSuggest = model.TextToSuggest ?? string.Empty;
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UpdateProperty(nameof(TextToSuggest));
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break;
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case nameof(model.Section):
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Section = model.Section ?? string.Empty;
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Type = EvaluateType();
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UpdateProperty(nameof(Section), nameof(Type), nameof(IsInteractive));
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break;
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case nameof(model.Command):
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Type = EvaluateType();
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UpdateProperty(nameof(Type), nameof(IsInteractive));
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break;
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case nameof(Details):
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var extensionDetails = model.Details;
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Details = extensionDetails is not null ? new(extensionDetails, PageContext) : null;
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Details?.InitializeProperties();
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UpdateProperty(nameof(Details), nameof(HasDetails));
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UpdateShowDetailsCommand();
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break;
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case nameof(model.MoreCommands):
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UpdateProperty(nameof(MoreCommands));
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AddShowDetailsCommands();
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break;
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case nameof(model.Title):
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UpdateProperty(nameof(Title));
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UpdateShowsTitle();
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UpdateAccessibleName();
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break;
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case nameof(model.Subtitle):
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UpdateProperty(nameof(Subtitle));
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UpdateShowsSubtitle();
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UpdateAccessibleName();
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break;
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default:
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UpdateProperty(propertyName);
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break;
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}
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}
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// TODO: Do we want filters to match descriptions and other properties? Tags, etc... Yes?
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// TODO: Do we want to save off the score here so we can sort by it in our ListViewModel?
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public override string ToString() => $"{Name} ListItemViewModel";
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public override bool Equals(object? obj) => obj is ListItemViewModel vm && vm.Model.Equals(this.Model);
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public override int GetHashCode() => Model.GetHashCode();
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private void AddShowDetailsCommands()
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{
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// If the parent page has ShowDetails = false and we have details,
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// then we should add a show details action in the context menu.
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if (HasDetails &&
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PageContext.TryGetTarget(out var pageContext) &&
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pageContext is ListViewModel listViewModel &&
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!listViewModel.ShowDetails)
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{
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// Check if "Show Details" action already exists to prevent duplicates
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if (!MoreCommands.Any(cmd => cmd is CommandContextItemViewModel contextItemViewModel &&
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contextItemViewModel.Command.Id == ShowDetailsCommand.ShowDetailsCommandId))
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{
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// Create the view model for the show details command
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var showDetailsCommand = new ShowDetailsCommand(Details);
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var showDetailsContextItem = new CommandContextItem(showDetailsCommand);
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var showDetailsContextItemViewModel = new CommandContextItemViewModel(showDetailsContextItem, PageContext);
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showDetailsContextItemViewModel.SlowInitializeProperties();
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MoreCommands.Add(showDetailsContextItemViewModel);
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}
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UpdateProperty(nameof(MoreCommands), nameof(AllCommands));
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}
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}
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// This method is called when the details change to make sure we
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// have the latest details in the show details command.
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private void UpdateShowDetailsCommand()
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{
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// If the parent page has ShowDetails = false and we have details,
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// then we should add a show details action in the context menu.
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if (HasDetails &&
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PageContext.TryGetTarget(out var pageContext) &&
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pageContext is ListViewModel listViewModel &&
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!listViewModel.ShowDetails)
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{
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var existingCommand = MoreCommands.FirstOrDefault(cmd =>
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cmd is CommandContextItemViewModel contextItemViewModel &&
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contextItemViewModel.Command.Id == ShowDetailsCommand.ShowDetailsCommandId);
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// If the command already exists, remove it to update with the new details
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if (existingCommand is not null)
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{
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MoreCommands.Remove(existingCommand);
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}
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// Create the view model for the show details command
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var showDetailsCommand = new ShowDetailsCommand(Details);
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var showDetailsContextItem = new CommandContextItem(showDetailsCommand);
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var showDetailsContextItemViewModel = new CommandContextItemViewModel(showDetailsContextItem, PageContext);
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showDetailsContextItemViewModel.SlowInitializeProperties();
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MoreCommands.Add(showDetailsContextItemViewModel);
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UpdateProperty(nameof(MoreCommands), nameof(AllCommands));
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}
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}
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private void UpdateTags(ITag[]? newTagsFromModel)
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{
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var newTags = newTagsFromModel?.Select(t =>
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{
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var vm = new TagViewModel(t, PageContext);
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vm.InitializeProperties();
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return vm;
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})
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.ToList() ?? [];
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DoOnUiThread(
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() =>
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{
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// Tags being an ObservableCollection instead of a List lead to
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// many COM exception issues.
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Tags = [.. newTags];
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// We're already in UI thread, so just raise the events
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OnPropertyChanged(nameof(Tags));
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OnPropertyChanged(nameof(HasTags));
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});
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}
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private void UpdateShowsTitle()
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{
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var oldShowTitle = ShowTitle;
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ShowTitle = LayoutShowsTitle;
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if (oldShowTitle != ShowTitle)
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{
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UpdateProperty(nameof(ShowTitle));
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}
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}
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private void UpdateShowsSubtitle()
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{
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var oldShowSubtitle = ShowSubtitle;
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ShowSubtitle = LayoutShowsSubtitle && !string.IsNullOrWhiteSpace(Subtitle);
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if (oldShowSubtitle != ShowSubtitle)
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{
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UpdateProperty(nameof(ShowSubtitle));
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}
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}
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protected override void UnsafeCleanup()
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{
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base.UnsafeCleanup();
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// Tags don't have event handlers or anything to cleanup
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Tags?.ForEach(t => t.SafeCleanup());
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Details?.SafeCleanup();
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var model = Model.Unsafe;
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if (model is not null)
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{
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// We don't need to revoke the PropChanged event handler here,
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// because we are just overriding CommandItem's FetchProperty and
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// piggy-backing off their PropChanged
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}
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}
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protected void UpdateAccessibleName()
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{
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AccessibleName = Title + ", " + Subtitle;
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UpdateProperty(nameof(AccessibleName));
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}
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}
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