ui/wpf/UIcore/Application.cs

Fri, 09 Feb 2024 16:50:23 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Fri, 09 Feb 2024 16:50:23 +0100
changeset 26
40d6af793c1a
parent 0
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permissions
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implement resource deletion

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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using System.Text;
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5 using System.Threading;
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6 using System.Threading.Tasks;
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7 using System.Windows;
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8
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9 namespace UI
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10 {
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11 public class Application
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12 {
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13 private static Application instance;
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14
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15 private System.Windows.Application application;
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16
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17 private Thread thread;
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18
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19 public String Name;
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20
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21 public IApplicationCallbacks callbacks;
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22
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23 public List<Window> Windows = new List<Window>();
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24 public ApplicationMenu Menu = new ApplicationMenu();
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25 public MainToolBar ToolBar = new MainToolBar();
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26
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27 private Application() : base()
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28 {
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29 thread = new Thread(() => RunApplication());
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30 thread.SetApartmentState(ApartmentState.STA);
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31 }
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32
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33 public static Application GetInstance()
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34 {
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35 if (instance == null)
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36 {
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37 instance = new Application();
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38 GC.KeepAlive(instance);
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39 }
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40 return instance;
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41 }
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42
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43 public Thread Start()
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44 {
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45 thread.Start();
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46 return thread;
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47 }
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48
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49 private void RunApplication()
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50 {
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51 application = new System.Windows.Application();
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52
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53 if(callbacks != null)
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54 {
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55 callbacks.OnStartup();
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56 }
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57 application.Run();
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58 if(callbacks != null)
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59 {
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60 callbacks.OnExit();
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61 }
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62 }
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63
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64 public void AddWindow(Window window)
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65 {
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66 Windows.Add(window);
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67 }
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68
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69 public void RemoveWindow(Window window)
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70 {
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71 Windows.Remove(window);
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72 if (Windows.Count == 0)
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73 {
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74 application.Shutdown();
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75 }
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76 }
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77 }
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78
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79 public class ResultExec<T>
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80 {
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81 public T Result;
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82 public Func<T> Func;
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83
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84 public void Exec()
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85 {
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86 Result = Func.Invoke();
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87 }
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88 }
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89
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90 public class VoidExec
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91 {
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92 public Action Action;
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93
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94 public void Exec()
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95 {
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96 Action.Invoke();
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97 }
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98 }
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99
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100 public interface IApplicationCallbacks
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101 {
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102 void OnStartup();
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103 void OnOpen();
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104 void OnExit();
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105 }
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106 }

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