Add project files.

ObservatoryCore/UI/ViewModels/CoreViewModel.cs

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+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Data;
+using System.Linq;
+using Avalonia.Controls;
+using Observatory.Framework.Interfaces;
+using Observatory.UI.Models;
+using ReactiveUI;
+
+namespace Observatory.UI.ViewModels
+{
+    public class CoreViewModel : ViewModelBase
+    {
+        private readonly ObservableCollection<IObservatoryNotifier> notifiers;
+        private readonly ObservableCollection<IObservatoryWorker> workers;
+        private readonly ObservableCollection<CoreModel> tabs;
+        private string toggleButtonText;
+        
+        public CoreViewModel(IEnumerable<(IObservatoryWorker plugin, PluginManagement.PluginManager.PluginStatus signed)> workers, IEnumerable<(IObservatoryNotifier plugin, PluginManagement.PluginManager.PluginStatus signed)> notifiers)
+        {
+            this.notifiers = new ObservableCollection<IObservatoryNotifier>(notifiers.Select(p => p.plugin));
+            this.workers = new ObservableCollection<IObservatoryWorker>(workers.Select(p => p.plugin));
+            ToggleButtonText = "Start Monitor";
+            tabs = new ObservableCollection<CoreModel>();
+            
+            foreach(var worker in workers.Select(p => p.plugin))
+            {
+                if (worker.PluginUI.PluginUIType == Framework.PluginUI.UIType.Basic)
+                {
+                    CoreModel coreModel = new();
+                    coreModel.Name = worker.ShortName;
+                    coreModel.UI = new();
+                    var uiViewModel = new BasicUIViewModel(worker.PluginUI.DataGrid)
+                    {
+                        UIType = worker.PluginUI.PluginUIType
+                    };
+                    coreModel.UI = uiViewModel;
+                    
+                    tabs.Add(coreModel);
+                }
+            }
+
+            foreach(var notifier in notifiers.Select(p => p.plugin))
+            {
+                Panel notifierPanel = new Panel();
+                TextBlock notifierTextBlock = new TextBlock();
+                notifierTextBlock.Text = notifier.Name;
+                notifierPanel.Children.Add(notifierTextBlock);
+                //tabs.Add(new CoreModel() { Name = notifier.ShortName, UI = (ViewModelBase)notifier.UI });
+            }
+
+            
+            tabs.Add(new CoreModel() { Name = "Core", UI = new BasicUIViewModel(new ObservableCollection<object>()) { UIType = Framework.PluginUI.UIType.Core } });
+            
+        }
+
+        public void ReadAll()
+        {
+            foreach (var worker in workers)
+            {
+                worker.ReadAllStarted();
+            }
+            LogMonitor.GetInstance.ReadAllJournals();
+        }
+
+        public void ToggleMonitor()
+        {
+            var logMonitor = LogMonitor.GetInstance;
+            
+            if (logMonitor.IsMonitoring())
+            {
+                logMonitor.Stop();
+                ToggleButtonText = "Start Monitor";
+            }
+            else
+            {
+                logMonitor.Start();
+                ToggleButtonText = "Stop Monitor";
+            }
+        }
+
+        public string ToggleButtonText
+        {
+            get => toggleButtonText;
+            set
+            {
+                if (toggleButtonText != value)
+                {
+                    toggleButtonText = value;
+                    this.RaisePropertyChanged(nameof(ToggleButtonText));
+                }
+            }
+        }
+
+        public ObservableCollection<IObservatoryWorker> Workers
+        {
+            get { return workers; }
+        }
+
+        public ObservableCollection<IObservatoryNotifier> Notifiers
+        {
+            get { return notifiers; }
+        }
+
+        public ObservableCollection<CoreModel> Tabs
+        {
+            get { return tabs; }
+        }
+    }
+}