├── .gitattributes
├── .gitignore
├── WpfPaging.sln
└── WpfPaging
├── App.xaml
├── App.xaml.cs
├── AssemblyInfo.cs
├── Events
├── IEvent.cs
└── LeaveFromFirstPageEvent.cs
├── FodyWeavers.xml
├── FodyWeavers.xsd
├── MainWindow.xaml
├── MainWindow.xaml.cs
├── Messages
├── IMessage.cs
└── TextMessage.cs
├── Pages
├── LogPage.xaml
├── LogPage.xaml.cs
├── Page1.xaml
└── Page1.xaml.cs
├── Services
├── EventBus.cs
├── MessageBus.cs
├── PageService.cs
└── Subscriber.cs
├── ViewModelLocator.cs
├── ViewModels
├── LogPageViewModel.cs
├── MainViewModel.cs
└── Page1ViewModel.cs
└── WpfPaging.csproj
/.gitattributes:
--------------------------------------------------------------------------------
1 | ###############################################################################
2 | # Set default behavior to automatically normalize line endings.
3 | ###############################################################################
4 | * text=auto
5 |
6 | ###############################################################################
7 | # Set default behavior for command prompt diff.
8 | #
9 | # This is need for earlier builds of msysgit that does not have it on by
10 | # default for csharp files.
11 | # Note: This is only used by command line
12 | ###############################################################################
13 | #*.cs diff=csharp
14 |
15 | ###############################################################################
16 | # Set the merge driver for project and solution files
17 | #
18 | # Merging from the command prompt will add diff markers to the files if there
19 | # are conflicts (Merging from VS is not affected by the settings below, in VS
20 | # the diff markers are never inserted). Diff markers may cause the following
21 | # file extensions to fail to load in VS. An alternative would be to treat
22 | # these files as binary and thus will always conflict and require user
23 | # intervention with every merge. To do so, just uncomment the entries below
24 | ###############################################################################
25 | #*.sln merge=binary
26 | #*.csproj merge=binary
27 | #*.vbproj merge=binary
28 | #*.vcxproj merge=binary
29 | #*.vcproj merge=binary
30 | #*.dbproj merge=binary
31 | #*.fsproj merge=binary
32 | #*.lsproj merge=binary
33 | #*.wixproj merge=binary
34 | #*.modelproj merge=binary
35 | #*.sqlproj merge=binary
36 | #*.wwaproj merge=binary
37 |
38 | ###############################################################################
39 | # behavior for image files
40 | #
41 | # image files are treated as binary by default.
42 | ###############################################################################
43 | #*.jpg binary
44 | #*.png binary
45 | #*.gif binary
46 |
47 | ###############################################################################
48 | # diff behavior for common document formats
49 | #
50 | # Convert binary document formats to text before diffing them. This feature
51 | # is only available from the command line. Turn it on by uncommenting the
52 | # entries below.
53 | ###############################################################################
54 | #*.doc diff=astextplain
55 | #*.DOC diff=astextplain
56 | #*.docx diff=astextplain
57 | #*.DOCX diff=astextplain
58 | #*.dot diff=astextplain
59 | #*.DOT diff=astextplain
60 | #*.pdf diff=astextplain
61 | #*.PDF diff=astextplain
62 | #*.rtf diff=astextplain
63 | #*.RTF diff=astextplain
64 |
--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | ## Ignore Visual Studio temporary files, build results, and
2 | ## files generated by popular Visual Studio add-ons.
3 | ##
4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
5 |
6 | # User-specific files
7 | *.rsuser
8 | *.suo
9 | *.user
10 | *.userosscache
11 | *.sln.docstates
12 |
13 | # User-specific files (MonoDevelop/Xamarin Studio)
14 | *.userprefs
15 |
16 | # Build results
17 | [Dd]ebug/
18 | [Dd]ebugPublic/
19 | [Rr]elease/
20 | [Rr]eleases/
21 | x64/
22 | x86/
23 | [Aa][Rr][Mm]/
24 | [Aa][Rr][Mm]64/
25 | bld/
26 | [Bb]in/
27 | [Oo]bj/
28 | [Ll]og/
29 |
30 | # Visual Studio 2015/2017 cache/options directory
31 | .vs/
32 | # Uncomment if you have tasks that create the project's static files in wwwroot
33 | #wwwroot/
34 |
35 | # Visual Studio 2017 auto generated files
36 | Generated\ Files/
37 |
38 | # MSTest test Results
39 | [Tt]est[Rr]esult*/
40 | [Bb]uild[Ll]og.*
41 |
42 | # NUNIT
43 | *.VisualState.xml
44 | TestResult.xml
45 |
46 | # Build Results of an ATL Project
47 | [Dd]ebugPS/
48 | [Rr]eleasePS/
49 | dlldata.c
50 |
51 | # Benchmark Results
52 | BenchmarkDotNet.Artifacts/
53 |
54 | # .NET Core
55 | project.lock.json
56 | project.fragment.lock.json
57 | artifacts/
58 |
59 | # StyleCop
60 | StyleCopReport.xml
61 |
62 | # Files built by Visual Studio
63 | *_i.c
64 | *_p.c
65 | *_h.h
66 | *.ilk
67 | *.meta
68 | *.obj
69 | *.iobj
70 | *.pch
71 | *.pdb
72 | *.ipdb
73 | *.pgc
74 | *.pgd
75 | *.rsp
76 | *.sbr
77 | *.tlb
78 | *.tli
79 | *.tlh
80 | *.tmp
81 | *.tmp_proj
82 | *_wpftmp.csproj
83 | *.log
84 | *.vspscc
85 | *.vssscc
86 | .builds
87 | *.pidb
88 | *.svclog
89 | *.scc
90 |
91 | # Chutzpah Test files
92 | _Chutzpah*
93 |
94 | # Visual C++ cache files
95 | ipch/
96 | *.aps
97 | *.ncb
98 | *.opendb
99 | *.opensdf
100 | *.sdf
101 | *.cachefile
102 | *.VC.db
103 | *.VC.VC.opendb
104 |
105 | # Visual Studio profiler
106 | *.psess
107 | *.vsp
108 | *.vspx
109 | *.sap
110 |
111 | # Visual Studio Trace Files
112 | *.e2e
113 |
114 | # TFS 2012 Local Workspace
115 | $tf/
116 |
117 | # Guidance Automation Toolkit
118 | *.gpState
119 |
120 | # ReSharper is a .NET coding add-in
121 | _ReSharper*/
122 | *.[Rr]e[Ss]harper
123 | *.DotSettings.user
124 |
125 | # JustCode is a .NET coding add-in
126 | .JustCode
127 |
128 | # TeamCity is a build add-in
129 | _TeamCity*
130 |
131 | # DotCover is a Code Coverage Tool
132 | *.dotCover
133 |
134 | # AxoCover is a Code Coverage Tool
135 | .axoCover/*
136 | !.axoCover/settings.json
137 |
138 | # Visual Studio code coverage results
139 | *.coverage
140 | *.coveragexml
141 |
142 | # NCrunch
143 | _NCrunch_*
144 | .*crunch*.local.xml
145 | nCrunchTemp_*
146 |
147 | # MightyMoose
148 | *.mm.*
149 | AutoTest.Net/
150 |
151 | # Web workbench (sass)
152 | .sass-cache/
153 |
154 | # Installshield output folder
155 | [Ee]xpress/
156 |
157 | # DocProject is a documentation generator add-in
158 | DocProject/buildhelp/
159 | DocProject/Help/*.HxT
160 | DocProject/Help/*.HxC
161 | DocProject/Help/*.hhc
162 | DocProject/Help/*.hhk
163 | DocProject/Help/*.hhp
164 | DocProject/Help/Html2
165 | DocProject/Help/html
166 |
167 | # Click-Once directory
168 | publish/
169 |
170 | # Publish Web Output
171 | *.[Pp]ublish.xml
172 | *.azurePubxml
173 | # Note: Comment the next line if you want to checkin your web deploy settings,
174 | # but database connection strings (with potential passwords) will be unencrypted
175 | *.pubxml
176 | *.publishproj
177 |
178 | # Microsoft Azure Web App publish settings. Comment the next line if you want to
179 | # checkin your Azure Web App publish settings, but sensitive information contained
180 | # in these scripts will be unencrypted
181 | PublishScripts/
182 |
183 | # NuGet Packages
184 | *.nupkg
185 | # The packages folder can be ignored because of Package Restore
186 | **/[Pp]ackages/*
187 | # except build/, which is used as an MSBuild target.
188 | !**/[Pp]ackages/build/
189 | # Uncomment if necessary however generally it will be regenerated when needed
190 | #!**/[Pp]ackages/repositories.config
191 | # NuGet v3's project.json files produces more ignorable files
192 | *.nuget.props
193 | *.nuget.targets
194 |
195 | # Microsoft Azure Build Output
196 | csx/
197 | *.build.csdef
198 |
199 | # Microsoft Azure Emulator
200 | ecf/
201 | rcf/
202 |
203 | # Windows Store app package directories and files
204 | AppPackages/
205 | BundleArtifacts/
206 | Package.StoreAssociation.xml
207 | _pkginfo.txt
208 | *.appx
209 |
210 | # Visual Studio cache files
211 | # files ending in .cache can be ignored
212 | *.[Cc]ache
213 | # but keep track of directories ending in .cache
214 | !?*.[Cc]ache/
215 |
216 | # Others
217 | ClientBin/
218 | ~$*
219 | *~
220 | *.dbmdl
221 | *.dbproj.schemaview
222 | *.jfm
223 | *.pfx
224 | *.publishsettings
225 | orleans.codegen.cs
226 |
227 | # Including strong name files can present a security risk
228 | # (https://github.com/github/gitignore/pull/2483#issue-259490424)
229 | #*.snk
230 |
231 | # Since there are multiple workflows, uncomment next line to ignore bower_components
232 | # (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
233 | #bower_components/
234 |
235 | # RIA/Silverlight projects
236 | Generated_Code/
237 |
238 | # Backup & report files from converting an old project file
239 | # to a newer Visual Studio version. Backup files are not needed,
240 | # because we have git ;-)
241 | _UpgradeReport_Files/
242 | Backup*/
243 | UpgradeLog*.XML
244 | UpgradeLog*.htm
245 | ServiceFabricBackup/
246 | *.rptproj.bak
247 |
248 | # SQL Server files
249 | *.mdf
250 | *.ldf
251 | *.ndf
252 |
253 | # Business Intelligence projects
254 | *.rdl.data
255 | *.bim.layout
256 | *.bim_*.settings
257 | *.rptproj.rsuser
258 | *- Backup*.rdl
259 |
260 | # Microsoft Fakes
261 | FakesAssemblies/
262 |
263 | # GhostDoc plugin setting file
264 | *.GhostDoc.xml
265 |
266 | # Node.js Tools for Visual Studio
267 | .ntvs_analysis.dat
268 | node_modules/
269 |
270 | # Visual Studio 6 build log
271 | *.plg
272 |
273 | # Visual Studio 6 workspace options file
274 | *.opt
275 |
276 | # Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
277 | *.vbw
278 |
279 | # Visual Studio LightSwitch build output
280 | **/*.HTMLClient/GeneratedArtifacts
281 | **/*.DesktopClient/GeneratedArtifacts
282 | **/*.DesktopClient/ModelManifest.xml
283 | **/*.Server/GeneratedArtifacts
284 | **/*.Server/ModelManifest.xml
285 | _Pvt_Extensions
286 |
287 | # Paket dependency manager
288 | .paket/paket.exe
289 | paket-files/
290 |
291 | # FAKE - F# Make
292 | .fake/
293 |
294 | # JetBrains Rider
295 | .idea/
296 | *.sln.iml
297 |
298 | # CodeRush personal settings
299 | .cr/personal
300 |
301 | # Python Tools for Visual Studio (PTVS)
302 | __pycache__/
303 | *.pyc
304 |
305 | # Cake - Uncomment if you are using it
306 | # tools/**
307 | # !tools/packages.config
308 |
309 | # Tabs Studio
310 | *.tss
311 |
312 | # Telerik's JustMock configuration file
313 | *.jmconfig
314 |
315 | # BizTalk build output
316 | *.btp.cs
317 | *.btm.cs
318 | *.odx.cs
319 | *.xsd.cs
320 |
321 | # OpenCover UI analysis results
322 | OpenCover/
323 |
324 | # Azure Stream Analytics local run output
325 | ASALocalRun/
326 |
327 | # MSBuild Binary and Structured Log
328 | *.binlog
329 |
330 | # NVidia Nsight GPU debugger configuration file
331 | *.nvuser
332 |
333 | # MFractors (Xamarin productivity tool) working folder
334 | .mfractor/
335 |
336 | # Local History for Visual Studio
337 | .localhistory/
338 |
339 | # BeatPulse healthcheck temp database
340 | healthchecksdb
--------------------------------------------------------------------------------
/WpfPaging.sln:
--------------------------------------------------------------------------------
1 |
2 | Microsoft Visual Studio Solution File, Format Version 12.00
3 | # Visual Studio Version 16
4 | VisualStudioVersion = 16.0.29709.97
5 | MinimumVisualStudioVersion = 10.0.40219.1
6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WpfPaging", "WpfPaging\WpfPaging.csproj", "{0343CA06-22BF-470C-9410-444649F4C815}"
7 | EndProject
8 | Global
9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution
10 | Debug|Any CPU = Debug|Any CPU
11 | Release|Any CPU = Release|Any CPU
12 | EndGlobalSection
13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution
14 | {0343CA06-22BF-470C-9410-444649F4C815}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
15 | {0343CA06-22BF-470C-9410-444649F4C815}.Debug|Any CPU.Build.0 = Debug|Any CPU
16 | {0343CA06-22BF-470C-9410-444649F4C815}.Release|Any CPU.ActiveCfg = Release|Any CPU
17 | {0343CA06-22BF-470C-9410-444649F4C815}.Release|Any CPU.Build.0 = Release|Any CPU
18 | EndGlobalSection
19 | GlobalSection(SolutionProperties) = preSolution
20 | HideSolutionNode = FALSE
21 | EndGlobalSection
22 | GlobalSection(ExtensibilityGlobals) = postSolution
23 | SolutionGuid = {E49AE3E0-5DF3-41EE-97C1-F6512686B9F0}
24 | EndGlobalSection
25 | EndGlobal
26 |
--------------------------------------------------------------------------------
/WpfPaging/App.xaml:
--------------------------------------------------------------------------------
1 |
7 |
8 |
9 |
10 |
11 |
--------------------------------------------------------------------------------
/WpfPaging/App.xaml.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Configuration;
4 | using System.Data;
5 | using System.Linq;
6 | using System.Threading.Tasks;
7 | using System.Windows;
8 |
9 | namespace WpfPaging
10 | {
11 | ///
12 | /// Interaction logic for App.xaml
13 | ///
14 | public partial class App : Application
15 | {
16 | protected override void OnStartup(StartupEventArgs e)
17 | {
18 | ViewModelLocator.Init();
19 |
20 | base.OnStartup(e);
21 | }
22 | }
23 | }
24 |
--------------------------------------------------------------------------------
/WpfPaging/AssemblyInfo.cs:
--------------------------------------------------------------------------------
1 | using System.Windows;
2 |
3 | [assembly: ThemeInfo(
4 | ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
5 | //(used if a resource is not found in the page,
6 | // or application resource dictionaries)
7 | ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
8 | //(used if a resource is not found in the page,
9 | // app, or any theme specific resource dictionaries)
10 | )]
11 |
--------------------------------------------------------------------------------
/WpfPaging/Events/IEvent.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Linq;
4 | using System.Text;
5 | using System.Threading.Tasks;
6 |
7 | namespace WpfPaging.Events
8 | {
9 | public interface IEvent { }
10 | }
11 |
--------------------------------------------------------------------------------
/WpfPaging/Events/LeaveFromFirstPageEvent.cs:
--------------------------------------------------------------------------------
1 | using System.Windows.Controls;
2 |
3 | namespace WpfPaging.Events
4 | {
5 | public class LeaveFromFirstPageEvent : IEvent
6 | {
7 | }
8 | }
9 |
--------------------------------------------------------------------------------
/WpfPaging/FodyWeavers.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 |
--------------------------------------------------------------------------------
/WpfPaging/FodyWeavers.xsd:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 | Used to control if the On_PropertyName_Changed feature is enabled.
12 |
13 |
14 |
15 |
16 | Used to change the name of the method that fires the notify event. This is a string that accepts multiple values in a comma separated form.
17 |
18 |
19 |
20 |
21 | Used to control if equality checks should be inserted. If false, equality checking will be disabled for the project.
22 |
23 |
24 |
25 |
26 | Used to control if equality checks should use the Equals method resolved from the base class.
27 |
28 |
29 |
30 |
31 | Used to control if equality checks should use the static Equals method resolved from the base class.
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 | 'true' to run assembly verification (PEVerify) on the target assembly after all weavers have been executed.
40 |
41 |
42 |
43 |
44 | A comma-separated list of error codes that can be safely ignored in assembly verification.
45 |
46 |
47 |
48 |
49 | 'false' to turn off automatic generation of the XML Schema file.
50 |
51 |
52 |
53 |
54 |
--------------------------------------------------------------------------------
/WpfPaging/MainWindow.xaml:
--------------------------------------------------------------------------------
1 |
14 |
15 |
16 |
17 |
18 |
19 |
--------------------------------------------------------------------------------
/WpfPaging/MainWindow.xaml.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Linq;
4 | using System.Text;
5 | using System.Threading.Tasks;
6 | using System.Windows;
7 | using System.Windows.Controls;
8 | using System.Windows.Data;
9 | using System.Windows.Documents;
10 | using System.Windows.Input;
11 | using System.Windows.Media;
12 | using System.Windows.Media.Imaging;
13 | using System.Windows.Navigation;
14 | using System.Windows.Shapes;
15 |
16 | namespace WpfPaging
17 | {
18 | ///
19 | /// Interaction logic for MainWindow.xaml
20 | ///
21 | public partial class MainWindow : Window
22 | {
23 | public MainWindow()
24 | {
25 | InitializeComponent();
26 | }
27 | }
28 | }
29 |
--------------------------------------------------------------------------------
/WpfPaging/Messages/IMessage.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Linq;
4 | using System.Text;
5 | using System.Threading.Tasks;
6 |
7 | namespace WpfPaging.Messages
8 | {
9 | public interface IMessage { }
10 | }
11 |
--------------------------------------------------------------------------------
/WpfPaging/Messages/TextMessage.cs:
--------------------------------------------------------------------------------
1 | namespace WpfPaging.Messages
2 | {
3 | public class TextMessage : IMessage
4 | {
5 | public TextMessage(string text)
6 | {
7 | Text = text;
8 | }
9 |
10 | public string Text { get; set; }
11 | }
12 | }
13 |
--------------------------------------------------------------------------------
/WpfPaging/Pages/LogPage.xaml:
--------------------------------------------------------------------------------
1 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
--------------------------------------------------------------------------------
/WpfPaging/Pages/LogPage.xaml.cs:
--------------------------------------------------------------------------------
1 | using System.Windows.Controls;
2 |
3 | namespace WpfPaging.Pages
4 | {
5 | ///
6 | /// Логика взаимодействия для LogPage.xaml
7 | ///
8 | public partial class LogPage : Page
9 | {
10 | public LogPage()
11 | {
12 | InitializeComponent();
13 | }
14 | }
15 | }
16 |
--------------------------------------------------------------------------------
/WpfPaging/Pages/Page1.xaml:
--------------------------------------------------------------------------------
1 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
--------------------------------------------------------------------------------
/WpfPaging/Pages/Page1.xaml.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Text;
4 | using System.Windows;
5 | using System.Windows.Controls;
6 | using System.Windows.Data;
7 | using System.Windows.Documents;
8 | using System.Windows.Input;
9 | using System.Windows.Media;
10 | using System.Windows.Media.Imaging;
11 | using System.Windows.Navigation;
12 | using System.Windows.Shapes;
13 |
14 | namespace WpfPaging.Pages
15 | {
16 | ///
17 | /// Логика взаимодействия для Page1.xaml
18 | ///
19 | public partial class Page1 : Page
20 | {
21 | public Page1()
22 | {
23 | InitializeComponent();
24 | }
25 | }
26 | }
27 |
--------------------------------------------------------------------------------
/WpfPaging/Services/EventBus.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Concurrent;
3 | using System.Linq;
4 | using System.Threading.Tasks;
5 | using WpfPaging.Events;
6 |
7 | namespace WpfPaging.Services
8 | {
9 | public class EventBus
10 | {
11 | private ConcurrentDictionary> _subscibers;
12 |
13 | public EventBus()
14 | {
15 | _subscibers = new ConcurrentDictionary>();
16 | }
17 |
18 | public IDisposable Subscribe(Func handler) where T : IEvent
19 | {
20 | var disposer = new EventSubscriber(typeof(T), s => _subscibers.TryRemove(s, out var _));
21 |
22 | _subscibers.TryAdd(disposer, (item) => handler((T)item));
23 |
24 | return disposer;
25 | }
26 |
27 | public async Task Publish(T message) where T : IEvent
28 | {
29 | var messageType = typeof(T);
30 |
31 | var handlers = _subscibers
32 | .Where(s => s.Key.MessageType == messageType)
33 | .Select(s => s.Value(message));
34 |
35 | await Task.WhenAll(handlers);
36 | }
37 | }
38 | }
39 |
--------------------------------------------------------------------------------
/WpfPaging/Services/MessageBus.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Concurrent;
3 | using System.Collections.Generic;
4 | using System.Linq;
5 | using System.Text;
6 | using System.Threading.Tasks;
7 | using WpfPaging.Events;
8 | using WpfPaging.Messages;
9 |
10 | namespace WpfPaging.Services
11 | {
12 | public class MessageBus
13 | {
14 | private readonly ConcurrentDictionary> _consumers;
15 |
16 | public MessageBus()
17 | {
18 | _consumers = new ConcurrentDictionary>();
19 | }
20 |
21 | public async Task SendTo(IMessage message)
22 | {
23 | var messageType = message.GetType();
24 | var receiverType = typeof(TReceiver);
25 |
26 | var tasks = _consumers
27 | .Where(s => s.Key.MessageType == messageType && s.Key.ReceiverType == receiverType)
28 | .Select(s => s.Value(message));
29 |
30 | await Task.WhenAll(tasks);
31 | }
32 |
33 | public IDisposable Receive(object receiver, Func handler) where TMessage : IMessage
34 | {
35 | var sub = new MessageSubscriber(receiver.GetType(), typeof(TMessage), s => _consumers.TryRemove(s, out var _));
36 |
37 | _consumers.TryAdd(sub, (@event) => handler((TMessage)@event));
38 |
39 | return sub;
40 | }
41 | }
42 | }
43 |
--------------------------------------------------------------------------------
/WpfPaging/Services/PageService.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Windows.Controls;
3 | using WpfPaging.Pages;
4 |
5 | namespace WpfPaging.Services
6 | {
7 | public class PageService
8 | {
9 |
10 | public event Action OnPageChanged;
11 | public void ChangePage(Page page) => OnPageChanged?.Invoke(page);
12 | }
13 | }
14 |
--------------------------------------------------------------------------------
/WpfPaging/Services/Subscriber.cs:
--------------------------------------------------------------------------------
1 | using System;
2 |
3 | namespace WpfPaging.Services
4 | {
5 | class EventSubscriber : IDisposable
6 | {
7 | private readonly Action _action;
8 |
9 | public Type MessageType { get; }
10 |
11 | public EventSubscriber(Type messageType, Action action)
12 | {
13 | MessageType = messageType;
14 | _action = action;
15 | }
16 |
17 | public void Dispose()
18 | {
19 | _action?.Invoke(this);
20 | }
21 | }
22 |
23 | class MessageSubscriber : IDisposable
24 | {
25 | private readonly Action _action;
26 |
27 | public Type ReceiverType { get; }
28 | public Type MessageType { get; }
29 |
30 | public MessageSubscriber(Type receiverType, Type messageType, Action action)
31 | {
32 | ReceiverType = receiverType;
33 | MessageType = messageType;
34 | _action = action;
35 | }
36 |
37 | public void Dispose()
38 | {
39 | _action?.Invoke(this);
40 | }
41 | }
42 |
43 |
44 | }
45 |
--------------------------------------------------------------------------------
/WpfPaging/ViewModelLocator.cs:
--------------------------------------------------------------------------------
1 | using Microsoft.Extensions.DependencyInjection;
2 | using WpfPaging.Services;
3 | using WpfPaging.ViewModels;
4 |
5 | namespace WpfPaging
6 | {
7 | public class ViewModelLocator
8 | {
9 | private static ServiceProvider _provider;
10 |
11 | public static void Init()
12 | {
13 | var services = new ServiceCollection();
14 |
15 | services.AddTransient();
16 | services.AddTransient();
17 | services.AddScoped();
18 |
19 | services.AddSingleton();
20 | services.AddSingleton();
21 | services.AddSingleton();
22 |
23 |
24 |
25 | _provider = services.BuildServiceProvider();
26 |
27 | foreach (var item in services)
28 | {
29 | _provider.GetRequiredService(item.ServiceType);
30 | }
31 | }
32 |
33 | public MainViewModel MainViewModel => _provider.GetRequiredService();
34 | public LogPageViewModel LogPageViewModel => _provider.GetRequiredService();
35 | public Page1ViewModel Page1ViewModel => _provider.GetRequiredService();
36 | }
37 | }
38 |
--------------------------------------------------------------------------------
/WpfPaging/ViewModels/LogPageViewModel.cs:
--------------------------------------------------------------------------------
1 | using DevExpress.Mvvm;
2 | using System;
3 | using System.Collections.ObjectModel;
4 | using System.Diagnostics;
5 | using System.Threading.Tasks;
6 | using System.Windows.Input;
7 | using WpfPaging.Events;
8 | using WpfPaging.Messages;
9 | using WpfPaging.Pages;
10 | using WpfPaging.Services;
11 |
12 | namespace WpfPaging.ViewModels
13 | {
14 | public class LogPageViewModel : BindableBase
15 | {
16 | private readonly PageService _pageService;
17 | private readonly EventBus _eventBus;
18 | private readonly MessageBus _messageBus;
19 |
20 | public ObservableCollection Logs { get; set; } = new ObservableCollection();
21 |
22 |
23 | public LogPageViewModel(PageService pageService, EventBus eventBus, MessageBus messageBus)
24 | {
25 | _pageService = pageService;
26 | _eventBus = eventBus;
27 | _messageBus = messageBus;
28 |
29 | _eventBus.Subscribe(async @event => Debug.WriteLine($"You leave from fist page"));
30 |
31 | _messageBus.Receive(this, async message =>
32 | {
33 | await Task.Delay(3000);
34 | Logs.Add(message.Text);
35 | });
36 | _messageBus.Receive(new object(), async message => Logs.Add(message.Text));
37 | }
38 |
39 | public ICommand AppendLog => new DelegateCommand(() =>
40 | {
41 | Logs.Add(Guid.NewGuid().ToString());
42 | });
43 |
44 | public ICommand ChangePage => new DelegateCommand(() =>
45 | {
46 | _pageService.ChangePage(new Page1());
47 | });
48 | }
49 | }
50 |
--------------------------------------------------------------------------------
/WpfPaging/ViewModels/MainViewModel.cs:
--------------------------------------------------------------------------------
1 | using DevExpress.Mvvm;
2 | using System.Windows.Controls;
3 | using WpfPaging.Pages;
4 | using WpfPaging.Services;
5 |
6 | namespace WpfPaging.ViewModels
7 | {
8 | public class MainViewModel : BindableBase
9 | {
10 | private readonly PageService _pageService;
11 |
12 | public Page PageSource { get; set; }
13 |
14 | public MainViewModel(PageService pageService)
15 | {
16 | _pageService = pageService;
17 |
18 |
19 | _pageService.OnPageChanged += (page) => PageSource = page;
20 | _pageService.ChangePage(new Page1());
21 | }
22 | }
23 | }
24 |
--------------------------------------------------------------------------------
/WpfPaging/ViewModels/Page1ViewModel.cs:
--------------------------------------------------------------------------------
1 | using DevExpress.Mvvm;
2 | using System;
3 | using System.Windows.Input;
4 | using WpfPaging.Events;
5 | using WpfPaging.Messages;
6 | using WpfPaging.Pages;
7 | using WpfPaging.Services;
8 |
9 | namespace WpfPaging.ViewModels
10 | {
11 | public class Page1ViewModel : BindableBase
12 | {
13 | private readonly PageService _pageService;
14 | private readonly EventBus _eventBus;
15 | private readonly MessageBus _messageBus;
16 |
17 | public string LogText { get; set; }
18 |
19 | public Page1ViewModel(PageService pageService, EventBus eventBus, MessageBus messageBus)
20 | {
21 | _pageService = pageService;
22 | _eventBus = eventBus;
23 | _messageBus = messageBus;
24 | }
25 |
26 | public ICommand ChangePage => new AsyncCommand(async () =>
27 | {
28 | _pageService.ChangePage(new LogPage());
29 |
30 | await _eventBus.Publish(new LeaveFromFirstPageEvent());
31 | });
32 |
33 | public ICommand SendLog => new AsyncCommand(async () =>
34 | {
35 | await _messageBus.SendTo(new TextMessage(LogText));
36 | //await _messageBus.SendTo