89 lines
3.3 KiB
C#
89 lines
3.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reactive.Disposables;
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using System.Reactive.Linq;
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using System.Text;
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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 NodeNetwork.ViewModels;
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using ReactiveUI;
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using Splat;
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namespace NodeNetwork.Views
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{
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[TemplatePart(Name = nameof(EndpointHost), Type = typeof(ViewModelViewHost))]
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[TemplatePart(Name = nameof(EditorHost), Type = typeof(ViewModelViewHost))]
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[TemplatePart(Name = nameof(NameLabel), Type = typeof(TextBlock))]
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[TemplatePart(Name = nameof(Icon), Type = typeof(Image))]
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public class NodeOutputView : Control, IViewFor<NodeOutputViewModel>
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{
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#region ViewModel
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public static readonly DependencyProperty ViewModelProperty = DependencyProperty.Register(nameof(ViewModel),
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typeof(NodeOutputViewModel), typeof(NodeOutputView), new PropertyMetadata(null));
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public NodeOutputViewModel ViewModel
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{
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get => (NodeOutputViewModel)GetValue(ViewModelProperty);
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set => SetValue(ViewModelProperty, value);
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}
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object IViewFor.ViewModel
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{
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get => ViewModel;
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set => ViewModel = (NodeOutputViewModel)value;
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}
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#endregion
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private ViewModelViewHost EndpointHost { get; set; }
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private ViewModelViewHost EditorHost { get; set; }
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private TextBlock NameLabel { get; set; }
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private Image Icon { get; set; }
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private bool _isHeaderEmpty;
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public NodeOutputView()
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{
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DefaultStyleKey = typeof(NodeOutputView);
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SetupBindings();
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}
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private void SetupBindings()
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{
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this.WhenActivated(d =>
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{
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this.OneWayBind(ViewModel, vm => vm.Name, v => v.NameLabel.Text).DisposeWith(d);
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this.OneWayBind(ViewModel, vm => vm.Port, v => v.EndpointHost.ViewModel).DisposeWith(d);
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this.OneWayBind(ViewModel, vm => vm.Port.IsVisible, v => v.EndpointHost.Visibility).DisposeWith(d);
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this.OneWayBind(ViewModel, vm => vm.Editor, v => v.EditorHost.ViewModel).DisposeWith(d);
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this.OneWayBind(ViewModel, vm => vm.Icon, v => v.Icon.Source, img => img?.ToNative()).DisposeWith(d);
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this.WhenAnyValue(v => v.ViewModel.Name, v => v.ViewModel.Icon,
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(name, icon) => String.IsNullOrEmpty(name) && icon == null)
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.Subscribe(v =>
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{
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_isHeaderEmpty = v;
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if (EditorHost != null)
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{
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Grid.SetRow(EditorHost, _isHeaderEmpty ? 0 : 1);
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}
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})
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.DisposeWith(d);
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});
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}
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public override void OnApplyTemplate()
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{
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EndpointHost = GetTemplateChild(nameof(EndpointHost)) as ViewModelViewHost;
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EditorHost = GetTemplateChild(nameof(EditorHost)) as ViewModelViewHost;
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NameLabel = GetTemplateChild(nameof(NameLabel)) as TextBlock;
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Icon = GetTemplateChild(nameof(Icon)) as Image;
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if (EditorHost != null)
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Grid.SetRow(EditorHost, _isHeaderEmpty ? 0 : 1);
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}
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}
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}
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