├── .gitignore ├── README.md ├── appveyor.yml ├── azure-pipelines.yml └── src ├── BlazorDeferredRemove.Sample ├── App.razor ├── BlazorDeferredRemove.Sample.csproj ├── Pages │ └── Index.razor ├── Program.cs ├── Shared │ ├── MainLayout.razor │ └── NavMenu.razor ├── _Imports.razor └── wwwroot │ ├── css │ ├── app.css │ ├── bootstrap │ │ ├── bootstrap.min.css │ │ └── bootstrap.min.css.map │ └── open-iconic │ │ ├── FONT-LICENSE │ │ ├── ICON-LICENSE │ │ ├── README.md │ │ └── font │ │ ├── css │ │ └── open-iconic-bootstrap.min.css │ │ └── fonts │ │ ├── open-iconic.eot │ │ ├── open-iconic.otf │ │ ├── open-iconic.svg │ │ ├── open-iconic.ttf │ │ └── open-iconic.woff │ ├── favicon.ico │ ├── index.html │ └── sample-data │ └── weather.json ├── BlazorDeferredRemove.sln ├── BlazorDeferredRemove ├── BlazorDeferredRemove.csproj ├── Components │ ├── CallbackOnCssAnimationEnd.razor │ ├── CallbackOnCssTransitionEnd.razor │ ├── RemoveOnCssAnimationEnd.razor │ └── RemoveOnCssTransitionEnd.razor ├── TransitionCompleteHelper.cs ├── TransitionHelper.cs ├── _Imports.razor └── wwwroot │ └── BlazorDeferredRemove.js ├── Directory.Build.props ├── README.MD └── global.json /.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 | *.suo 8 | *.user 9 | *.userosscache 10 | *.sln.docstates 11 | 12 | # User-specific files (MonoDevelop/Xamarin Studio) 13 | *.userprefs 14 | 15 | # Build results 16 | [Dd]ebug/ 17 | [Dd]ebugPublic/ 18 | [Rr]elease/ 19 | [Rr]eleases/ 20 | x64/ 21 | x86/ 22 | bld/ 23 | [Bb]in/ 24 | [Oo]bj/ 25 | [Ll]og/ 26 | 27 | # Visual Studio 2015/2017 cache/options directory 28 | .vs/ 29 | # Uncomment if you have tasks that create the project's static files in wwwroot 30 | #wwwroot/ 31 | 32 | # Visual Studio 2017 auto generated files 33 | Generated\ Files/ 34 | 35 | # MSTest test Results 36 | [Tt]est[Rr]esult*/ 37 | [Bb]uild[Ll]og.* 38 | 39 | # NUNIT 40 | *.VisualState.xml 41 | TestResult.xml 42 | 43 | # Build Results of an ATL Project 44 | [Dd]ebugPS/ 45 | [Rr]eleasePS/ 46 | dlldata.c 47 | 48 | # Benchmark Results 49 | BenchmarkDotNet.Artifacts/ 50 | 51 | # .NET Core 52 | project.lock.json 53 | project.fragment.lock.json 54 | artifacts/ 55 | **/Properties/launchSettings.json 56 | 57 | # StyleCop 58 | StyleCopReport.xml 59 | 60 | # Files built by Visual Studio 61 | *_i.c 62 | *_p.c 63 | *_i.h 64 | *.ilk 65 | *.meta 66 | *.obj 67 | *.iobj 68 | *.pch 69 | *.pdb 70 | *.ipdb 71 | *.pgc 72 | *.pgd 73 | *.rsp 74 | *.sbr 75 | *.tlb 76 | *.tli 77 | *.tlh 78 | *.tmp 79 | *.tmp_proj 80 | *.log 81 | *.vspscc 82 | *.vssscc 83 | .builds 84 | *.pidb 85 | *.svclog 86 | *.scc 87 | 88 | # Chutzpah Test files 89 | _Chutzpah* 90 | 91 | # Visual C++ cache files 92 | ipch/ 93 | *.aps 94 | *.ncb 95 | *.opendb 96 | *.opensdf 97 | *.sdf 98 | *.cachefile 99 | *.VC.db 100 | *.VC.VC.opendb 101 | 102 | # Visual Studio profiler 103 | *.psess 104 | *.vsp 105 | *.vspx 106 | *.sap 107 | 108 | # Visual Studio Trace Files 109 | *.e2e 110 | 111 | # TFS 2012 Local Workspace 112 | $tf/ 113 | 114 | # Guidance Automation Toolkit 115 | *.gpState 116 | 117 | # ReSharper is a .NET coding add-in 118 | _ReSharper*/ 119 | *.[Rr]e[Ss]harper 120 | *.DotSettings.user 121 | 122 | # JustCode is a .NET coding add-in 123 | .JustCode 124 | 125 | # TeamCity is a build add-in 126 | _TeamCity* 127 | 128 | # DotCover is a Code Coverage Tool 129 | *.dotCover 130 | 131 | # AxoCover is a Code Coverage Tool 132 | .axoCover/* 133 | !.axoCover/settings.json 134 | 135 | # Visual Studio code coverage results 136 | *.coverage 137 | *.coveragexml 138 | 139 | # NCrunch 140 | _NCrunch_* 141 | .*crunch*.local.xml 142 | nCrunchTemp_* 143 | 144 | # MightyMoose 145 | *.mm.* 146 | AutoTest.Net/ 147 | 148 | # Web workbench (sass) 149 | .sass-cache/ 150 | 151 | # Installshield output folder 152 | [Ee]xpress/ 153 | 154 | # DocProject is a documentation generator add-in 155 | DocProject/buildhelp/ 156 | DocProject/Help/*.HxT 157 | DocProject/Help/*.HxC 158 | DocProject/Help/*.hhc 159 | DocProject/Help/*.hhk 160 | DocProject/Help/*.hhp 161 | DocProject/Help/Html2 162 | DocProject/Help/html 163 | 164 | # Click-Once directory 165 | publish/ 166 | 167 | # Publish Web Output 168 | *.[Pp]ublish.xml 169 | *.azurePubxml 170 | # Note: Comment the next line if you want to checkin your web deploy settings, 171 | # but database connection strings (with potential passwords) will be unencrypted 172 | *.pubxml 173 | *.publishproj 174 | 175 | # Microsoft Azure Web App publish settings. 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Backup files are not needed, 237 | # because we have git ;-) 238 | _UpgradeReport_Files/ 239 | Backup*/ 240 | UpgradeLog*.XML 241 | UpgradeLog*.htm 242 | ServiceFabricBackup/ 243 | *.rptproj.bak 244 | 245 | # SQL Server files 246 | *.mdf 247 | *.ldf 248 | *.ndf 249 | 250 | # Business Intelligence projects 251 | *.rdl.data 252 | *.bim.layout 253 | *.bim_*.settings 254 | *.rptproj.rsuser 255 | 256 | # Microsoft Fakes 257 | FakesAssemblies/ 258 | 259 | # GhostDoc plugin setting file 260 | *.GhostDoc.xml 261 | 262 | # Node.js Tools for Visual Studio 263 | .ntvs_analysis.dat 264 | node_modules/ 265 | 266 | # Visual Studio 6 build log 267 | *.plg 268 | 269 | # Visual Studio 6 workspace options file 270 | *.opt 271 | 272 | # Visual Studio 6 auto-generated workspace file (contains which files were open etc.) 273 | *.vbw 274 | 275 | # Visual Studio LightSwitch build output 276 | **/*.HTMLClient/GeneratedArtifacts 277 | **/*.DesktopClient/GeneratedArtifacts 278 | **/*.DesktopClient/ModelManifest.xml 279 | **/*.Server/GeneratedArtifacts 280 | **/*.Server/ModelManifest.xml 281 | _Pvt_Extensions 282 | 283 | # Paket dependency manager 284 | .paket/paket.exe 285 | paket-files/ 286 | 287 | # FAKE - F# Make 288 | .fake/ 289 | 290 | # JetBrains Rider 291 | .idea/ 292 | *.sln.iml 293 | 294 | # CodeRush 295 | .cr/ 296 | 297 | # Python Tools for Visual Studio (PTVS) 298 | __pycache__/ 299 | *.pyc 300 | 301 | # Cake - Uncomment if you are using it 302 | # tools/** 303 | # !tools/packages.config 304 | 305 | # Tabs Studio 306 | *.tss 307 | 308 | # Telerik's JustMock configuration file 309 | *.jmconfig 310 | 311 | # BizTalk build output 312 | *.btp.cs 313 | *.btm.cs 314 | *.odx.cs 315 | *.xsd.cs 316 | 317 | # OpenCover UI analysis results 318 | OpenCover/ 319 | 320 | # Azure Stream Analytics local run output 321 | ASALocalRun/ 322 | 323 | # MSBuild Binary and Structured Log 324 | *.binlog 325 | 326 | # NVidia Nsight GPU debugger configuration file 327 | *.nvuser 328 | 329 | # MFractors (Xamarin productivity tool) working folder 330 | .mfractor/ 331 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## Blazor Deferred Remove 2 | 3 | Get notified when CSS transitions complete on CSS Properties (or CSS animations), so you can do stuff in blazor. 4 | 5 | Allows you to do stuff like, stop rendering a blazor component, only once the fadeout transition completes on a CSS visibility property etc. 6 | 7 | [![Build Status](https://dev.azure.com/darrelltunnell/Public%20Projects/_apis/build/status/dazinator.BlazorDeferredRemove?branchName=master)](https://dev.azure.com/darrelltunnell/Public%20Projects/_build/latest?definitionId=8&branchName=master) 8 | 9 | ## Usage 10 | 11 | 1. Add the `BlazorDeferredRemove` nuget package to your blazor project: https://www.nuget.org/packages/BlazorDeferredRemove/ 12 | 13 | 2. Include the following js script on your index.html page: 14 | 15 | ```html 16 | 17 | ``` 18 | 19 | ## Components 20 | 21 | There are a couple of lower level components, which you could use directly, as well as a couple of higher level components with a specific task in mind. 22 | 23 | The low level components are: 24 | 25 | - CallbackOnCssAnimationEnd 26 | - CallbackOnCssTransitionEnd 27 | 28 | 29 | These components are general purpose and simply raise a callback on the blazor side in response to a given CSS property transition (or CSS animation) completing on the JS side. 30 | 31 | For example, suppose you have some CSS targeting the 'fadeout' class, that does a CSS transition on the 'visibility' property: 32 | 33 | ``` 34 | 35 |

foo

36 | 37 | 38 | @code 39 | { 40 | public async Task OnCompleted(string cssPropertyName) 41 | { 42 | // Do stuff here 43 | } 44 | } 45 | 46 | ``` 47 | 48 | The `OnCompleted` handler above would be invoked once that CSS transition has finished on the JS side. 49 | 50 | Note: If you don't specify a CSS propery name (or Animation Name) parameter, it means the call back will be invoked in response to ANY css property transition (or animation) completing within the child content DOM. In the callback on the blazor size you can then inspect the css property name (or animation name) to determine what to do. 51 | 52 | There are then a couple of higher level components that use the above Callback components but with the specific goal of ommitting their content from the DOM once the transition or animation has finished: 53 | 54 | - RemoveOnCssAnimationEnd 55 | - RemoveOnCssTransitionEnd 56 | 57 | ## RemoveOnCssTransitionEnd Example 58 | 59 | The following example renders some UI that will be removed once a CSS property transition has completed for `visibility` property: 60 | 61 | ``` 62 | 63 | @page "/" 64 | 65 | 66 |
67 |

Hey there!

68 | 69 |
70 | 71 | 72 | @code{ 73 | 74 | [Parameter] 75 | public bool StartTransition { get; set; } = false; 76 | 77 | public void Done() 78 | { 79 | StartTransition = true; 80 | } 81 | 82 | public string GetClassName() 83 | { 84 | return StartTransition ? "fadeout" : ""; 85 | } 86 | } 87 | 88 | ``` 89 | 90 | And here is the CSS required for this example: 91 | 92 | ``` 93 | .fadeout { 94 | visibility: hidden; 95 | opacity: 0; 96 | transition: visibility 0s 2s, opacity 2s linear; 97 | } 98 | 99 | ``` 100 | 101 | ## Explaination 102 | 103 | In the sample above, the content is wrapped in a `RemoveOnCssTransitionEnd` component. This component will stop rendering (omit from the RenderTree) its child content, once it detects that a CSS transition has been completed on the specified CSS property - in this case, thats the `visibility` propery: 104 | 105 | ``` 106 | 107 |
108 |

Hey there!

109 | 110 |
111 | 112 | ``` 113 | 114 | Notice that the content is a `div` whose CSS class is provided by the `GetClassName()` method. This returns the `fadeout` css class once the button is clicked. 115 | 116 | ``` 117 | 118 | [Parameter] 119 | public bool StartTransition { get; set; } = false; 120 | 121 | public void Done() 122 | { 123 | StartTransition = true; 124 | } 125 | 126 | public string GetClassName() 127 | { 128 | return StartTransition ? "fadeout" : ""; 129 | } 130 | } 131 | 132 | ``` 133 | 134 | This means when you click the button, the CSS class `fadeout` is appended to the `div` - simple. 135 | We then have some CSS for the `fadeout` class, that applies a CSS transition on the elements `visibility` property (and opacity but that doesn't matter for this sample): 136 | 137 | ``` 138 | .fadeout { 139 | visibility: hidden; 140 | opacity: 0; 141 | transition: visibility 0s 2s, opacity 2s linear; 142 | } 143 | 144 | ``` 145 | 146 | This means that when you click the button, the css class is appended, which starts the CSS transition. The transition adjusts the visibility property to `hidden` after 2 seconds, and adjusts the `opacity` to 0 over the course of 2 seconds, linearly. This achieves our fadeout effect. 147 | 148 | Once that CSS transition has completed, our `RemoveOnCssTransitionEnd` component is notified from the browser (interop) that the CSS transition has completed for a `visibility` property within it's child DOM content. It being a blazor component, it then stops including its child content in the render tree - which then removes the child content from the DOM. 149 | -------------------------------------------------------------------------------- /appveyor.yml: -------------------------------------------------------------------------------- 1 | skip_tags: true 2 | image: Visual Studio 2019 Preview 3 | 4 | install: 5 | - cmd: choco install gitversion.portable --version 5.0.1 -y 6 | - cmd: choco install dotnetcore-sdk --pre 7 | 8 | before_build: 9 | - ps: gitversion /l console /output buildserver 10 | 11 | build: 12 | verbosity: detailed 13 | build_script: 14 | - cmd: dotnet restore src --disable-parallel 15 | - cmd: dotnet build src -c Release --disable-parallel 16 | - cmd: dotnet pack src -c Release --output %APPVEYOR_BUILD_FOLDER%/artifacts/ 17 | artifacts: 18 | - path: artifacts/* 19 | deploy: 20 | provider: NuGet 21 | api_key: 22 | secure: u8JpW5kkti8pMi+ra2QcXTJPhkHCA8pkKSiiZOJbcS/vFVHNvF3W8qw1Fy2If6a7 23 | skip_symbols: false 24 | artifact: /.*\.nupkg/ 25 | -------------------------------------------------------------------------------- /azure-pipelines.yml: -------------------------------------------------------------------------------- 1 | # ASP.NET Core (.NET Framework) 2 | # Build and test ASP.NET Core projects targeting the full .NET Framework. 3 | # Add steps that publish symbols, save build artifacts, and more: 4 | # https://docs.microsoft.com/azure/devops/pipelines/languages/dotnet-core 5 | 6 | trigger: 7 | - master 8 | - develop 9 | 10 | pool: 11 | vmImage: 'windows-latest' 12 | 13 | variables: 14 | solution: '**/*.sln' 15 | buildPlatform: 'Any CPU' 16 | buildConfiguration: 'Release' 17 | GitVersion.SemVer: '' 18 | 19 | steps: 20 | - task: gittools.gitversion.gitversion-task.GitVersion@5 21 | displayName: gitversion 22 | 23 | - task: UseDotNet@2 24 | displayName: 'Use .NET Core sdk' 25 | inputs: 26 | packageType: sdk 27 | useGlobalJson: true 28 | installationPath: $(Agent.ToolsDirectory)/dotnet 29 | 30 | - task: NuGetToolInstaller@1 31 | inputs: 32 | versionSpec: '5.1.0' 33 | 34 | - task: DotNetCoreCLI@2 35 | displayName: Restore 36 | inputs: 37 | command: restore 38 | projects: '$(solution)' 39 | 40 | - task: DotNetCoreCLI@2 41 | displayName: Build 42 | inputs: 43 | command: build 44 | projects: '$(solution)' 45 | configuration: '$(buildConfiguration)' 46 | versioningScheme: byEnvVar 47 | versionEnvVar: 'GitVersion.SemVer' 48 | 49 | - task: DotNetCoreCLI@2 50 | displayName: test 51 | inputs: 52 | command: test 53 | projects: '$(solution)' 54 | configuration: '$(buildConfiguration)' 55 | 56 | - task: DotNetCoreCLI@2 57 | inputs: 58 | command: 'pack' 59 | versioningScheme: byEnvVar 60 | versionEnvVar: 'GitVersion.SemVer' 61 | configuration: '$(buildConfiguration)' 62 | projects: 'src/BlazorDeferredRemove/BlazorDeferredRemove.csproj' 63 | packagesToPack: 'src/BlazorDeferredRemove/BlazorDeferredRemove.csproj' 64 | 65 | - task: NuGetCommand@2 66 | inputs: 67 | command: push 68 | nuGetFeedType: external 69 | publishFeedCredentials: 'NuGet' 70 | versioningScheme: byEnvVar 71 | versionEnvVar: 'GitVersion.SemVer' -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/App.razor: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 |

Sorry, there's nothing at this address.

8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/BlazorDeferredRemove.Sample.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | netstandard2.1 5 | 3.0 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/Pages/Index.razor: -------------------------------------------------------------------------------- 1 | @page "/" 2 | 3 | 4 |
5 |

Hello, world!

6 | Welcome to your new app. 7 | 8 |
9 | 10 | 11 | @code{ 12 | 13 | [Parameter] 14 | public bool StartTransition { get; set; } = false; 15 | 16 | public void Done() 17 | { 18 | StartTransition = true; 19 | } 20 | 21 | public string GetClassName() 22 | { 23 | return StartTransition ? "fadeout" : ""; 24 | } 25 | 26 | } 27 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/Program.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Net.Http; 3 | using System.Threading.Tasks; 4 | using Microsoft.AspNetCore.Components.WebAssembly.Hosting; 5 | using Microsoft.Extensions.DependencyInjection; 6 | 7 | namespace BlazorDeferredRemove.Sample 8 | { 9 | public class Program 10 | { 11 | public static async Task Main(string[] args) 12 | { 13 | var builder = WebAssemblyHostBuilder.CreateDefault(args); 14 | builder.RootComponents.Add("app"); 15 | 16 | builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) }); 17 | 18 | await builder.Build().RunAsync(); 19 | } 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/Shared/MainLayout.razor: -------------------------------------------------------------------------------- 1 | @inherits LayoutComponentBase 2 | 3 |
4 | 5 |
6 | 7 |
8 |
9 | About 10 |
11 | 12 |
13 | @Body 14 |
15 |
16 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/Shared/NavMenu.razor: -------------------------------------------------------------------------------- 1 | 
2 | BlazorDeferredRemove.Sample 3 | 6 |
7 | 8 |
9 | 16 |
17 | 18 | @code { 19 | private bool collapseNavMenu = true; 20 | 21 | private string NavMenuCssClass => collapseNavMenu ? "collapse" : null; 22 | 23 | private void ToggleNavMenu() 24 | { 25 | collapseNavMenu = !collapseNavMenu; 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/_Imports.razor: -------------------------------------------------------------------------------- 1 | @using System.Net.Http 2 | @using System.Net.Http.Json 3 | @using Microsoft.AspNetCore.Components.Forms 4 | @using Microsoft.AspNetCore.Components.Routing 5 | @using Microsoft.AspNetCore.Components.Web 6 | @using Microsoft.AspNetCore.Components.WebAssembly.Http 7 | @using Microsoft.JSInterop 8 | @using BlazorDeferredRemove.Sample 9 | @using BlazorDeferredRemove.Sample.Shared 10 | @using BlazorDeferredRemove.Components 11 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/css/app.css: -------------------------------------------------------------------------------- 1 | @import url('open-iconic/font/css/open-iconic-bootstrap.min.css'); 2 | 3 | html, body { 4 | font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; 5 | } 6 | 7 | a, .btn-link { 8 | color: #0366d6; 9 | } 10 | 11 | .btn-primary { 12 | color: #fff; 13 | background-color: #1b6ec2; 14 | border-color: #1861ac; 15 | } 16 | 17 | app { 18 | position: relative; 19 | display: flex; 20 | flex-direction: column; 21 | } 22 | 23 | .top-row { 24 | height: 3.5rem; 25 | display: flex; 26 | align-items: center; 27 | } 28 | 29 | .main { 30 | flex: 1; 31 | } 32 | 33 | .main .top-row { 34 | background-color: #f7f7f7; 35 | border-bottom: 1px solid #d6d5d5; 36 | justify-content: flex-end; 37 | } 38 | 39 | .main .top-row > a, .main .top-row .btn-link { 40 | white-space: nowrap; 41 | margin-left: 1.5rem; 42 | } 43 | 44 | .main .top-row a:first-child { 45 | overflow: hidden; 46 | text-overflow: ellipsis; 47 | } 48 | 49 | .sidebar { 50 | background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%); 51 | } 52 | 53 | .sidebar .top-row { 54 | background-color: rgba(0,0,0,0.4); 55 | } 56 | 57 | .sidebar .navbar-brand { 58 | font-size: 1.1rem; 59 | } 60 | 61 | .sidebar .oi { 62 | width: 2rem; 63 | font-size: 1.1rem; 64 | vertical-align: text-top; 65 | top: -2px; 66 | } 67 | 68 | .sidebar .nav-item { 69 | font-size: 0.9rem; 70 | padding-bottom: 0.5rem; 71 | } 72 | 73 | .sidebar .nav-item:first-of-type { 74 | padding-top: 1rem; 75 | } 76 | 77 | .sidebar .nav-item:last-of-type { 78 | padding-bottom: 1rem; 79 | } 80 | 81 | .sidebar .nav-item a { 82 | color: #d7d7d7; 83 | border-radius: 4px; 84 | height: 3rem; 85 | display: flex; 86 | align-items: center; 87 | line-height: 3rem; 88 | } 89 | 90 | .sidebar .nav-item a.active { 91 | background-color: rgba(255,255,255,0.25); 92 | color: white; 93 | } 94 | 95 | .sidebar .nav-item a:hover { 96 | background-color: rgba(255,255,255,0.1); 97 | color: white; 98 | } 99 | 100 | .content { 101 | padding-top: 1.1rem; 102 | } 103 | 104 | .navbar-toggler { 105 | background-color: rgba(255, 255, 255, 0.1); 106 | } 107 | 108 | .valid.modified:not([type=checkbox]) { 109 | outline: 1px solid #26b050; 110 | } 111 | 112 | .invalid { 113 | outline: 1px solid red; 114 | } 115 | 116 | .validation-message { 117 | color: red; 118 | } 119 | 120 | #blazor-error-ui { 121 | background: lightyellow; 122 | bottom: 0; 123 | box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2); 124 | display: none; 125 | left: 0; 126 | padding: 0.6rem 1.25rem 0.7rem 1.25rem; 127 | position: fixed; 128 | width: 100%; 129 | z-index: 1000; 130 | } 131 | 132 | #blazor-error-ui .dismiss { 133 | cursor: pointer; 134 | position: absolute; 135 | right: 0.75rem; 136 | top: 0.5rem; 137 | } 138 | 139 | @media (max-width: 767.98px) { 140 | .main .top-row:not(.auth) { 141 | display: none; 142 | } 143 | 144 | .main .top-row.auth { 145 | justify-content: space-between; 146 | } 147 | 148 | .main .top-row a, .main .top-row .btn-link { 149 | margin-left: 0; 150 | } 151 | } 152 | 153 | @media (min-width: 768px) { 154 | app { 155 | flex-direction: row; 156 | } 157 | 158 | .sidebar { 159 | width: 250px; 160 | height: 100vh; 161 | position: sticky; 162 | top: 0; 163 | } 164 | 165 | .main .top-row { 166 | position: sticky; 167 | top: 0; 168 | } 169 | 170 | .main > div { 171 | padding-left: 2rem !important; 172 | padding-right: 1.5rem !important; 173 | } 174 | 175 | .navbar-toggler { 176 | display: none; 177 | } 178 | 179 | .sidebar .collapse { 180 | /* Never collapse the sidebar for wide screens */ 181 | display: block; 182 | } 183 | } 184 | 185 | .fadeout { 186 | visibility: hidden; 187 | opacity: 0; 188 | transition: visibility 0s 2s, opacity 2s linear; 189 | } 190 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/FONT-LICENSE: -------------------------------------------------------------------------------- 1 | SIL OPEN FONT LICENSE Version 1.1 2 | 3 | Copyright (c) 2014 Waybury 4 | 5 | PREAMBLE 6 | The goals of the Open Font License (OFL) are to stimulate worldwide 7 | development of collaborative font projects, to support the font creation 8 | efforts of academic and linguistic communities, and to provide a free and 9 | open framework in which fonts may be shared and improved in partnership 10 | with others. 11 | 12 | The OFL allows the licensed fonts to be used, studied, modified and 13 | redistributed freely as long as they are not sold by themselves. The 14 | fonts, including any derivative works, can be bundled, embedded, 15 | redistributed and/or sold with any software provided that any reserved 16 | names are not used by derivative works. The fonts and derivatives, 17 | however, cannot be released under any other type of license. The 18 | requirement for fonts to remain under this license does not apply 19 | to any document created using the fonts or their derivatives. 20 | 21 | DEFINITIONS 22 | "Font Software" refers to the set of files released by the Copyright 23 | Holder(s) under this license and clearly marked as such. This may 24 | include source files, build scripts and documentation. 25 | 26 | "Reserved Font Name" refers to any names specified as such after the 27 | copyright statement(s). 28 | 29 | "Original Version" refers to the collection of Font Software components as 30 | distributed by the Copyright Holder(s). 31 | 32 | "Modified Version" refers to any derivative made by adding to, deleting, 33 | or substituting -- in part or in whole -- any of the components of the 34 | Original Version, by changing formats or by porting the Font Software to a 35 | new environment. 36 | 37 | "Author" refers to any designer, engineer, programmer, technical 38 | writer or other person who contributed to the Font Software. 39 | 40 | PERMISSION & CONDITIONS 41 | Permission is hereby granted, free of charge, to any person obtaining 42 | a copy of the Font Software, to use, study, copy, merge, embed, modify, 43 | redistribute, and sell modified and unmodified copies of the Font 44 | Software, subject to the following conditions: 45 | 46 | 1) Neither the Font Software nor any of its individual components, 47 | in Original or Modified Versions, may be sold by itself. 48 | 49 | 2) Original or Modified Versions of the Font Software may be bundled, 50 | redistributed and/or sold with any software, provided that each copy 51 | contains the above copyright notice and this license. These can be 52 | included either as stand-alone text files, human-readable headers or 53 | in the appropriate machine-readable metadata fields within text or 54 | binary files as long as those fields can be easily viewed by the user. 55 | 56 | 3) No Modified Version of the Font Software may use the Reserved Font 57 | Name(s) unless explicit written permission is granted by the corresponding 58 | Copyright Holder. This restriction only applies to the primary font name as 59 | presented to the users. 60 | 61 | 4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font 62 | Software shall not be used to promote, endorse or advertise any 63 | Modified Version, except to acknowledge the contribution(s) of the 64 | Copyright Holder(s) and the Author(s) or with their explicit written 65 | permission. 66 | 67 | 5) The Font Software, modified or unmodified, in part or in whole, 68 | must be distributed entirely under this license, and must not be 69 | distributed under any other license. The requirement for fonts to 70 | remain under this license does not apply to any document created 71 | using the Font Software. 72 | 73 | TERMINATION 74 | This license becomes null and void if any of the above conditions are 75 | not met. 76 | 77 | DISCLAIMER 78 | THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 79 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF 80 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT 81 | OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE 82 | COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 83 | INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL 84 | DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 85 | FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM 86 | OTHER DEALINGS IN THE FONT SOFTWARE. 87 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/ICON-LICENSE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2014 Waybury 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in 13 | all copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 | THE SOFTWARE. -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/README.md: -------------------------------------------------------------------------------- 1 | [Open Iconic v1.1.1](http://useiconic.com/open) 2 | =========== 3 | 4 | ### Open Iconic is the open source sibling of [Iconic](http://useiconic.com). It is a hyper-legible collection of 223 icons with a tiny footprint—ready to use with Bootstrap and Foundation. [View the collection](http://useiconic.com/open#icons) 5 | 6 | 7 | 8 | ## What's in Open Iconic? 9 | 10 | * 223 icons designed to be legible down to 8 pixels 11 | * Super-light SVG files - 61.8 for the entire set 12 | * SVG sprite—the modern replacement for icon fonts 13 | * Webfont (EOT, OTF, SVG, TTF, WOFF), PNG and WebP formats 14 | * Webfont stylesheets (including versions for Bootstrap and Foundation) in CSS, LESS, SCSS and Stylus formats 15 | * PNG and WebP raster images in 8px, 16px, 24px, 32px, 48px and 64px. 16 | 17 | 18 | ## Getting Started 19 | 20 | #### For code samples and everything else you need to get started with Open Iconic, check out our [Icons](http://useiconic.com/open#icons) and [Reference](http://useiconic.com/open#reference) sections. 21 | 22 | ### General Usage 23 | 24 | #### Using Open Iconic's SVGs 25 | 26 | We like SVGs and we think they're the way to display icons on the web. Since Open Iconic are just basic SVGs, we suggest you display them like you would any other image (don't forget the `alt` attribute). 27 | 28 | ``` 29 | icon name 30 | ``` 31 | 32 | #### Using Open Iconic's SVG Sprite 33 | 34 | Open Iconic also comes in a SVG sprite which allows you to display all the icons in the set with a single request. It's like an icon font, without being a hack. 35 | 36 | Adding an icon from an SVG sprite is a little different than what you're used to, but it's still a piece of cake. *Tip: To make your icons easily style able, we suggest adding a general class to the* `` *tag and a unique class name for each different icon in the* `` *tag.* 37 | 38 | ``` 39 | 40 | 41 | 42 | ``` 43 | 44 | Sizing icons only needs basic CSS. All the icons are in a square format, so just set the `` tag with equal width and height dimensions. 45 | 46 | ``` 47 | .icon { 48 | width: 16px; 49 | height: 16px; 50 | } 51 | ``` 52 | 53 | Coloring icons is even easier. All you need to do is set the `fill` rule on the `` tag. 54 | 55 | ``` 56 | .icon-account-login { 57 | fill: #f00; 58 | } 59 | ``` 60 | 61 | To learn more about SVG Sprites, read [Chris Coyier's guide](http://css-tricks.com/svg-sprites-use-better-icon-fonts/). 62 | 63 | #### Using Open Iconic's Icon Font... 64 | 65 | 66 | ##### …with Bootstrap 67 | 68 | You can find our Bootstrap stylesheets in `font/css/open-iconic-bootstrap.{css, less, scss, styl}` 69 | 70 | 71 | ``` 72 | 73 | ``` 74 | 75 | 76 | ``` 77 | 78 | ``` 79 | 80 | ##### …with Foundation 81 | 82 | You can find our Foundation stylesheets in `font/css/open-iconic-foundation.{css, less, scss, styl}` 83 | 84 | ``` 85 | 86 | ``` 87 | 88 | 89 | ``` 90 | 91 | ``` 92 | 93 | ##### …on its own 94 | 95 | You can find our default stylesheets in `font/css/open-iconic.{css, less, scss, styl}` 96 | 97 | ``` 98 | 99 | ``` 100 | 101 | ``` 102 | 103 | ``` 104 | 105 | 106 | ## License 107 | 108 | ### Icons 109 | 110 | All code (including SVG markup) is under the [MIT License](http://opensource.org/licenses/MIT). 111 | 112 | ### Fonts 113 | 114 | All fonts are under the [SIL Licensed](http://scripts.sil.org/cms/scripts/page.php?item_id=OFL_web). 115 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/font/css/open-iconic-bootstrap.min.css: -------------------------------------------------------------------------------- 1 | @font-face{font-family:Icons;src:url(../fonts/open-iconic.eot);src:url(../fonts/open-iconic.eot?#iconic-sm) format('embedded-opentype'),url(../fonts/open-iconic.woff) format('woff'),url(../fonts/open-iconic.ttf) format('truetype'),url(../fonts/open-iconic.otf) format('opentype'),url(../fonts/open-iconic.svg#iconic-sm) 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/src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/font/fonts/open-iconic.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | 7 | 8 | Created by FontForge 20120731 at Tue Jul 1 20:39:22 2014 9 | By P.J. Onori 10 | Created by P.J. Onori with FontForge 2.0 (http://fontforge.sf.net) 11 | 12 | 13 | 14 | 27 | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 45 | 47 | 49 | 51 | 53 | 55 | 57 | 59 | 61 | 63 | 65 | 67 | 69 | 71 | 74 | 76 | 79 | 81 | 84 | 86 | 88 | 91 | 93 | 95 | 98 | 100 | 102 | 104 | 106 | 109 | 112 | 115 | 117 | 121 | 123 | 125 | 127 | 130 | 132 | 134 | 136 | 138 | 141 | 143 | 145 | 147 | 149 | 151 | 153 | 155 | 157 | 159 | 162 | 165 | 167 | 169 | 172 | 174 | 177 | 179 | 181 | 183 | 185 | 189 | 191 | 194 | 196 | 198 | 200 | 202 | 205 | 207 | 209 | 211 | 213 | 215 | 218 | 220 | 222 | 224 | 226 | 228 | 230 | 232 | 234 | 236 | 238 | 241 | 243 | 245 | 247 | 249 | 251 | 253 | 256 | 259 | 261 | 263 | 265 | 267 | 269 | 272 | 274 | 276 | 280 | 282 | 285 | 287 | 289 | 292 | 295 | 298 | 300 | 302 | 304 | 306 | 309 | 312 | 314 | 316 | 318 | 320 | 322 | 324 | 326 | 330 | 334 | 338 | 340 | 343 | 345 | 347 | 349 | 351 | 353 | 355 | 358 | 360 | 363 | 365 | 367 | 369 | 371 | 373 | 375 | 377 | 379 | 381 | 383 | 386 | 388 | 390 | 392 | 394 | 396 | 399 | 401 | 404 | 406 | 408 | 410 | 412 | 414 | 416 | 419 | 421 | 423 | 425 | 428 | 431 | 435 | 438 | 440 | 442 | 444 | 446 | 448 | 451 | 453 | 455 | 457 | 460 | 462 | 464 | 466 | 468 | 471 | 473 | 477 | 479 | 481 | 483 | 486 | 488 | 490 | 492 | 494 | 496 | 499 | 501 | 504 | 506 | 509 | 512 | 515 | 517 | 520 | 522 | 524 | 526 | 529 | 532 | 534 | 536 | 539 | 542 | 543 | 544 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/font/fonts/open-iconic.ttf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dazinator/BlazorDeferredRemove/f6994a972f6a4a785600756033007baa2e086069/src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/font/fonts/open-iconic.ttf -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/font/fonts/open-iconic.woff: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dazinator/BlazorDeferredRemove/f6994a972f6a4a785600756033007baa2e086069/src/BlazorDeferredRemove.Sample/wwwroot/css/open-iconic/font/fonts/open-iconic.woff -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dazinator/BlazorDeferredRemove/f6994a972f6a4a785600756033007baa2e086069/src/BlazorDeferredRemove.Sample/wwwroot/favicon.ico -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/index.html: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | 6 | 7 | BlazorDeferredRemove.Sample 8 | 9 | 10 | 11 | 12 | 13 | 14 | Loading... 15 | 16 |
17 | An unhandled error has occurred. 18 | Reload 19 | 🗙 20 |
21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.Sample/wwwroot/sample-data/weather.json: -------------------------------------------------------------------------------- 1 | [ 2 | { 3 | "date": "2018-05-06", 4 | "temperatureC": 1, 5 | "summary": "Freezing" 6 | }, 7 | { 8 | "date": "2018-05-07", 9 | "temperatureC": 14, 10 | "summary": "Bracing" 11 | }, 12 | { 13 | "date": "2018-05-08", 14 | "temperatureC": -13, 15 | "summary": "Freezing" 16 | }, 17 | { 18 | "date": "2018-05-09", 19 | "temperatureC": -16, 20 | "summary": "Balmy" 21 | }, 22 | { 23 | "date": "2018-05-10", 24 | "temperatureC": -2, 25 | "summary": "Chilly" 26 | } 27 | ] 28 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.29230.61 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BlazorDeferredRemove", "BlazorDeferredRemove\BlazorDeferredRemove.csproj", "{22CE8F54-ED36-470F-8EB1-F4027E07175F}" 7 | EndProject 8 | Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{00C556FD-0AF9-4ECF-A09E-ADD00374BD26}" 9 | ProjectSection(SolutionItems) = preProject 10 | ..\.gitignore = ..\.gitignore 11 | ..\appveyor.yml = ..\appveyor.yml 12 | ..\azure-pipelines.yml = ..\azure-pipelines.yml 13 | Directory.Build.props = Directory.Build.props 14 | global.json = global.json 15 | ..\README.md = ..\README.md 16 | EndProjectSection 17 | EndProject 18 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BlazorDeferredRemove.Sample", "BlazorDeferredRemove.Sample\BlazorDeferredRemove.Sample.csproj", "{1DF81EF7-3DF7-45F4-94D1-82E9EF8B11A5}" 19 | EndProject 20 | Global 21 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 22 | Debug|Any CPU = Debug|Any CPU 23 | Release|Any CPU = Release|Any CPU 24 | EndGlobalSection 25 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 26 | {22CE8F54-ED36-470F-8EB1-F4027E07175F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 27 | {22CE8F54-ED36-470F-8EB1-F4027E07175F}.Debug|Any CPU.Build.0 = Debug|Any CPU 28 | {22CE8F54-ED36-470F-8EB1-F4027E07175F}.Release|Any CPU.ActiveCfg = Release|Any CPU 29 | {22CE8F54-ED36-470F-8EB1-F4027E07175F}.Release|Any CPU.Build.0 = Release|Any CPU 30 | {1DF81EF7-3DF7-45F4-94D1-82E9EF8B11A5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 31 | {1DF81EF7-3DF7-45F4-94D1-82E9EF8B11A5}.Debug|Any CPU.Build.0 = Debug|Any CPU 32 | {1DF81EF7-3DF7-45F4-94D1-82E9EF8B11A5}.Release|Any CPU.ActiveCfg = Release|Any CPU 33 | {1DF81EF7-3DF7-45F4-94D1-82E9EF8B11A5}.Release|Any CPU.Build.0 = Release|Any CPU 34 | EndGlobalSection 35 | GlobalSection(SolutionProperties) = preSolution 36 | HideSolutionNode = FALSE 37 | EndGlobalSection 38 | GlobalSection(ExtensibilityGlobals) = postSolution 39 | SolutionGuid = {DA88AA8D-21D2-4A09-8762-B75BF6DEC1E1} 40 | EndGlobalSection 41 | EndGlobal 42 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/BlazorDeferredRemove.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | netstandard2.0 5 | 7.3 6 | 3.0 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/Components/CallbackOnCssAnimationEnd.razor: -------------------------------------------------------------------------------- 1 | @inject IJSRuntime JsRuntime; 2 | 3 |
4 | @ChildContent 5 |
6 | 7 | @code{ 8 | private ElementReference _animationContainer; 9 | 10 | 11 | [Parameter] 12 | public RenderFragment ChildContent { get; set; } 13 | 14 | /// 15 | /// The name of the css animation that you want to monitor for completion. 16 | /// When this is nill, you will be notified when any css animation completes. 17 | /// 18 | [Parameter] 19 | public string CssAnimationName { get; set; } 20 | 21 | /// 22 | /// A callback that will be invoked whenever a CSS animation completes against this components child content. 23 | /// The callback will only be invoked if the animation name that has completed, matches parameter, OR when 24 | /// is null (in which case the callback is invoked for any css animation that completed). 25 | /// The callback paramater is the name of the css animation that completed. 26 | /// 27 | [Parameter] 28 | public EventCallback OnCssAnimationCompleted { get; set; } 29 | 30 | protected override void OnAfterRender(bool firstRender) 31 | { 32 | if (firstRender) 33 | { 34 | _animationContainer.RegisterForAnimationEnded(JsRuntime, async (name) => 35 | { 36 | await OnCssAnimationCompleted.InvokeAsync(name); 37 | }, CssAnimationName); 38 | } 39 | } 40 | } -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/Components/CallbackOnCssTransitionEnd.razor: -------------------------------------------------------------------------------- 1 | @inject IJSRuntime JsRuntime; 2 | 3 |
4 | @ChildContent 5 |
6 | 7 | @code{ 8 | private ElementReference _animationContainer; 9 | 10 | 11 | [Parameter] 12 | public RenderFragment ChildContent { get; set; } 13 | 14 | /// 15 | /// The name of the property to which you want to be notified any time a CSS transition completes on it. 16 | /// Specify null to be notified when a css transition completes for any property. 17 | /// 18 | [Parameter] 19 | public string CssPropertyName { get; set; } 20 | 21 | /// 22 | /// A callback that will be invoked whenever a CSS transition completes against the components child content. 23 | /// The callback will only be invoked if the property name being transitions matches the one specified by parameter, unless that paramater is null 24 | /// in which case it will be invoked when any CSS property name is transitioned. The callback paramater is the name of the css property that was transitioned. 25 | /// 26 | [Parameter] 27 | public EventCallback OnCssTransitionCompleted { get; set; } 28 | 29 | protected override void OnAfterRender(bool firstRender) 30 | { 31 | if (firstRender) 32 | { 33 | _animationContainer.RegisterForTransitionEnded(JsRuntime, async (name) => 34 | { 35 | await OnCssTransitionCompleted.InvokeAsync(name); 36 | }, CssPropertyName); 37 | } 38 | } 39 | } -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/Components/RemoveOnCssAnimationEnd.razor: -------------------------------------------------------------------------------- 1 | @inject IJSRuntime JsRuntime; 2 | 3 | @if (!IsCompleted) 4 | { 5 | 6 | @ChildContent 7 | 8 | } 9 | 10 | @code{ 11 | 12 | public bool IsCompleted { get; set; } = true; 13 | 14 | [Parameter] 15 | public RenderFragment ChildContent { get; set; } 16 | 17 | /// 18 | /// A callback that will be invoked whenever a CSS animation completes against this components child content. 19 | /// The callback will only be invoked if the animation name that has completed, matches parameter, OR when 20 | /// is null (in which case the callback is invoked for any css animation that completed). 21 | /// The callback paramater is the name of the css animation that completed. 22 | /// 23 | [Parameter] 24 | public EventCallback OnCssAnimationCompleted { get; set; } 25 | 26 | [Parameter] 27 | public string CssAnimationName { get; set; } 28 | 29 | public async Task OnCompleted(string animationName) 30 | { 31 | IsCompleted = true; 32 | await OnCssAnimationCompleted.InvokeAsync(animationName); 33 | } 34 | } -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/Components/RemoveOnCssTransitionEnd.razor: -------------------------------------------------------------------------------- 1 | @if (!IsCompleted) 2 | { 3 | 4 | @ChildContent 5 | 6 | } 7 | 8 | @code{ 9 | 10 | public bool IsCompleted { get; set; } = false; 11 | 12 | [Parameter] 13 | public RenderFragment ChildContent { get; set; } 14 | 15 | [Parameter] 16 | public string CssPropertyName { get; set; } 17 | 18 | /// 19 | /// A callback that will be invoked whenever a CSS transition completes against the components child content. 20 | /// The callback will only be invoked if the property name being transitions matches the one specified by parameter, unless that paramater is null 21 | /// in which case it will be invoked when any CSS property name is transitioned. The callback paramater is the name of the css property that was transitioned. 22 | /// 23 | [Parameter] 24 | public EventCallback OnCssTransitionCompleted { get; set; } 25 | 26 | public async Task OnCompleted(string cssPropertName) 27 | { 28 | IsCompleted = true; 29 | await OnCssTransitionCompleted.InvokeAsync(cssPropertName); 30 | } 31 | } -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/TransitionCompleteHelper.cs: -------------------------------------------------------------------------------- 1 | using Microsoft.AspNetCore.Components; 2 | using Microsoft.JSInterop; 3 | using System; 4 | using System.Threading.Tasks; 5 | 6 | namespace BlazorDeferredRemove 7 | { 8 | public static class TransitionCompleteHelper 9 | { 10 | public static void RegisterForTransitionOrAnimationEnded(this ElementReference elementRef, IJSRuntime jsRuntime, Func onEndedCallback, string transitionOrAnimationName, bool isAnimation) 11 | { 12 | var helper = new TransitionHelper(elementRef, onEndedCallback); 13 | 14 | #pragma warning disable CS4014 // We don't need the result back so this is fire and forget. 15 | var dotnetRef = DotNetObjectReference.Create(helper); 16 | jsRuntime.InvokeAsync("BlazorRegisterAnimationOrTransitionEnd", dotnetRef, elementRef, transitionOrAnimationName, isAnimation); 17 | #pragma warning restore CS4014 18 | } 19 | 20 | public static void RegisterForTransitionEnded(this ElementReference elementRef, IJSRuntime jsRuntime, Func onEndedCallback, string transitionName) 21 | { 22 | RegisterForTransitionOrAnimationEnded(elementRef, jsRuntime, onEndedCallback, transitionName, false); 23 | } 24 | 25 | public static void RegisterForAnimationEnded(this ElementReference elementRef, IJSRuntime jsRuntime, Func onEndedCallback, string animationName) 26 | { 27 | RegisterForTransitionOrAnimationEnded(elementRef, jsRuntime, onEndedCallback, animationName, true); 28 | } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/TransitionHelper.cs: -------------------------------------------------------------------------------- 1 | using Microsoft.AspNetCore.Components; 2 | using Microsoft.JSInterop; 3 | using System; 4 | using System.Threading.Tasks; 5 | 6 | namespace BlazorDeferredRemove 7 | { 8 | public class TransitionHelper 9 | { 10 | private readonly Func _transitionEndedCallback; 11 | private readonly ElementReference _element; 12 | 13 | public TransitionHelper(ElementReference element, Func transitionEndedCallback) 14 | { 15 | _element = element; 16 | _transitionEndedCallback = transitionEndedCallback; 17 | } 18 | 19 | [JSInvokable] 20 | public async Task TransitionHasEnded(string name) 21 | { 22 | await _transitionEndedCallback(name); 23 | } 24 | 25 | [JSInvokable] 26 | public async Task AnimationHasEnded(string name) 27 | { 28 | await _transitionEndedCallback(name); 29 | } 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/_Imports.razor: -------------------------------------------------------------------------------- 1 | @using System.Net.Http 2 | @using Microsoft.AspNetCore.Components.Forms 3 | @using Microsoft.AspNetCore.Components.Routing 4 | @using Microsoft.AspNetCore.Components.Web 5 | @using Microsoft.JSInterop 6 | @using BlazorDeferredRemove -------------------------------------------------------------------------------- /src/BlazorDeferredRemove/wwwroot/BlazorDeferredRemove.js: -------------------------------------------------------------------------------- 1 | window.BlazorRegisterAnimationOrTransitionEnd = (dotnetHelper, element, animationOrTransitionNameFilter, isAnimation) => { 2 | var shouldCallback = function (name) { 3 | if (animationOrTransitionNameFilter) { 4 | if (name === animationOrTransitionNameFilter) { 5 | return true; 6 | } 7 | return false; 8 | } 9 | return true; 10 | } 11 | 12 | var createOnEndedHandler = function (propname, invokeMethodName) { 13 | var onEnded = function (args) { 14 | var name = args[propname] 15 | if (shouldCallback(name)) { 16 | dotnetHelper.invokeMethodAsync(invokeMethodName, name); 17 | } 18 | } 19 | return onEnded; 20 | }; 21 | 22 | if (isAnimation) { 23 | var onEnded = createOnEndedHandler('animationName', 'AnimationHasEnded'); 24 | // Code for Chrome, Safari and Opera 25 | element.addEventListener("webkitAnimationEnd", onEnded); 26 | // Standard syntax 27 | element.addEventListener("animationend", onEnded); 28 | } 29 | else { 30 | var onEnded = createOnEndedHandler('propertyName', 'TransitionHasEnded'); 31 | element.addEventListener("transitionend", onEnded); 32 | } 33 | }; -------------------------------------------------------------------------------- /src/Directory.Build.props: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | true 5 | 6 | true 7 | 8 | true 9 | snupkg 10 | 11 | 12 | 13 | all 14 | runtime; build; native; contentfiles; analyzers 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /src/README.MD: -------------------------------------------------------------------------------- 1 | ## Blazor Deferred Remove 2 | 3 | Wait for CSS Transitions or Animations to occur, before removing blazor render fragments fro the UI. 4 | 5 | Allows you to have fadeout effects etc in your blazor application. 6 | 7 | 8 | ## Usage 9 | 10 | 1. Add the nuget package to your blazor project. 11 | 12 | 2. Add the following js to your page - these methods are required for interop: 13 | 14 | ``` 15 | 16 | 35 | 36 | ``` 37 | 38 | 3. In your blazor page / component you can now use the `RemoveOnCssTransitionEnd` or `RemoveOnCssAnimationEnd` components, to have some UI that will be removed from the render tree only after a CSS property transition or CSS animation has completed respectively. 39 | 40 | ## Example 41 | 42 | The following example renders some UI that will be removed once a CSS property transition has completed for `visibility` property: 43 | 44 | ``` 45 | 46 | @page "/" 47 | 48 | 49 |
50 |

Hey there!

51 | 52 |
53 | 54 | 55 | @code{ 56 | 57 | [Parameter] 58 | public bool StartTransition { get; set; } = false; 59 | 60 | public void Done() 61 | { 62 | StartTransition = true; 63 | } 64 | 65 | public string GetClassName() 66 | { 67 | return StartTransition ? "fadeout" : ""; 68 | } 69 | } 70 | 71 | ``` 72 | 73 | And here is the CSS required for this example: 74 | 75 | ``` 76 | .fadeout { 77 | visibility: hidden; 78 | opacity: 0; 79 | transition: visibility 0s 2s, opacity 2s linear; 80 | } 81 | 82 | ``` -------------------------------------------------------------------------------- /src/global.json: -------------------------------------------------------------------------------- 1 | { 2 | "sdk": { 3 | "version": "3.1.102" 4 | } 5 | } --------------------------------------------------------------------------------