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Merged
alexreich merged 5 commits into from
Jan 6, 2026
Merged

support chinese language #42

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80879c0
support chinese language
Dec 27, 2025
566eef1
Update demo/RulesEngineEditorWebAssembly/Program.cs
alexreich Dec 29, 2025
7e4c20e
Update src/RulesEngineEditor/Resources/SharedResources.Designer.cs
alexreich Dec 29, 2025
8e57987
localization fixes
alexreich Jan 6, 2026
f422002
merge fixes
alexreich Jan 6, 2026
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3 changes: 2 additions & 1 deletion demo/RulesEngineEditorServer/Pages/_Host.cshtml
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@@ -1,4 +1,4 @@
@*
@*
// Copyright (c) Alex Reich.
// Licensed under the CC BY 4.0 License.
*@
Expand Down Expand Up @@ -38,5 +38,6 @@
</div>

<script src="_framework/blazor.server.js"></script>
<script src="culture.js"></script>
</body>
</html>
13 changes: 8 additions & 5 deletions demo/RulesEngineEditorServer/Shared/MainLayout.razor
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@@ -1,8 +1,9 @@
@*
@*
// Copyright (c) Alex Reich.
// Licensed under the CC BY 4.0 License.
*@
@inherits LayoutComponentBase
@using RulesEngineEditor.Resources

<div class="page">
<div class="@NavMenuCssClass" @onclick="ToggleNavMenu">
Expand All @@ -14,11 +15,13 @@
<button class="navbar-toggler" hidden="@(!collapseNavMenu)" @onclick="ToggleNavMenu">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="">Rules Engine Editor</a>
<a class="navbar-brand" href="">@RulesEngineEditor.Resources.SharedResources.RulesEngineEditorTitle</a>
<div class="float-right">
<a href="/demo">Demo (sample data)</a>
<a href="/demo">@RulesEngineEditor.Resources.SharedResources.DemoSampleData</a>
&nbsp;
<a href="https://github.com/alexreich/RulesEngineEditor" target="_blank">About</a>
<a href="https://github.com/alexreich/RulesEngineEditor" target="_blank">@RulesEngineEditor.Resources.SharedResources.About</a>
&nbsp;
<RulesEngineEditor.Components.CultureSwitcher />
</div>
</div>
</div>
Expand All @@ -37,4 +40,4 @@
{
collapseNavMenu = !collapseNavMenu;
}
}
}
13 changes: 7 additions & 6 deletions demo/RulesEngineEditorServer/Shared/NavMenu.razor
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@@ -1,32 +1,33 @@
@*
@*
// Copyright (c) Alex Reich.
// Licensed under the CC BY 4.0 License.
*@
@using RulesEngineEditor.Resources
<div>
<ul class="nav flex-column">
<li class="nav-item px-3">
<NavLink class="nav-link" href="" Match="NavLinkMatch.All">
<span class="oi oi-home" aria-hidden="true"></span> Home
<span class="oi oi-home" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.Home
</NavLink>
</li>
<li class="nav-item px-3">
<NavLink class="nav-link" href="demo">
<span class="oi oi-book" aria-hidden="true"></span> Demo
<span class="oi oi-book" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.Demo
</NavLink>
</li>
<li class="nav-item px-3">
<NavLink class="nav-link" href="demoef">
<span class="oi oi-book" aria-hidden="true"></span> Demo&nbsp; <sup>Enitty Framework</sup>
<span class="oi oi-book" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.DemoEF
</NavLink>
</li>
<li class="nav-item px-3">
<NavLink class="nav-link" href="new">
<span class="oi oi-aperture" aria-hidden="true"></span> New
<span class="oi oi-aperture" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.New
</NavLink>
</li>
<li class="nav-item px-3">
<NavLink class="nav-link" href="standalone">
<span class="oi oi-fullscreen-enter" aria-hidden="true"></span> Standalone
<span class="oi oi-fullscreen-enter" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.Standalone
</NavLink>
</li>
</ul>
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11 changes: 11 additions & 0 deletions demo/RulesEngineEditorServer/Startup.cs
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Expand Up @@ -16,6 +16,8 @@
using RulesEngineEditor.Services;
using RulesEngineEditor.Data;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Localization;
using System.Globalization;

namespace RulesEngineEditorServer
{
Expand All @@ -34,6 +36,7 @@ public void ConfigureServices(IServiceCollection services)
{
services.AddRazorPages();
services.AddServerSideBlazor();
services.AddLocalization(options => options.ResourcesPath = "Resources");
services.AddSingleton<WeatherForecastService>();

//services.AddDbContext<RulesEngineEditorDbContext>(options => options.UseSqlServer(Configuration.GetConnectionString("RulesEngineEditorDB")));
Expand All @@ -45,6 +48,14 @@ public void ConfigureServices(IServiceCollection services)
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
var supportedCultures = new[] { new CultureInfo("en-US"), new CultureInfo("zh-CN") };
var localizationOptions = new RequestLocalizationOptions
{
DefaultRequestCulture = new RequestCulture("en-US"),
SupportedCultures = supportedCultures,
SupportedUICultures = supportedCultures
};
app.UseRequestLocalization(localizationOptions);
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
Expand Down
14 changes: 14 additions & 0 deletions demo/RulesEngineEditorServer/wwwroot/culture.js
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@@ -0,0 +1,14 @@
window.blazorCulture = {
get: function () {
return window.localStorage['BlazorCulture'];
},
set: function (value) {
window.localStorage['BlazorCulture'] = value;
}
};

window.setCultureCookie = function (culture) {
var cookieValue = 'c=' + culture + '|uic=' + culture;
var secure = (location.protocol === 'https:') ? '; secure' : '';
document.cookie = '.AspNetCore.Culture=' + cookieValue + '; path=/; samesite=lax' + secure;
};
14 changes: 13 additions & 1 deletion demo/RulesEngineEditorWebAssembly/Program.cs
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Expand Up @@ -13,6 +13,8 @@
using RulesEngineEditor.Services;
using System.Text.Json;
using RulesEngineEditor.Shared;
using Microsoft.JSInterop;
using System.Globalization;

namespace RulesEngineEditorWebAssembly
{
Expand All @@ -27,13 +29,23 @@ public static async Task Main(string[] args)
builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });

builder.Services.AddRulesEngineEditor();
builder.Services.AddLocalization();

builder.Services.AddScoped<JsonSerializerOptions>(sp =>
{
return RulesEngineEditor.Shared.RulesEngineJsonSourceContext.Default.Options;
});

await builder.Build().RunAsync();
var host = builder.Build();
var js = host.Services.GetRequiredService<IJSRuntime>();
var cultureName = await js.InvokeAsync<string>("blazorCulture.get");
if (!string.IsNullOrWhiteSpace(cultureName))
{
var culture = new CultureInfo(cultureName);
CultureInfo.DefaultThreadCurrentCulture = culture;
CultureInfo.DefaultThreadCurrentUICulture = culture;
}
await host.RunAsync();
}
}
}
13 changes: 8 additions & 5 deletions demo/RulesEngineEditorWebAssembly/Shared/MainLayout.razor
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Original file line number Diff line number Diff line change
@@ -1,8 +1,9 @@
@*
@*
// Copyright (c) Alex Reich.
// Licensed under the CC BY 4.0 License.
*@
@inherits LayoutComponentBase
@using RulesEngineEditor.Resources

<div class="page">
<div class="@NavMenuCssClass" @onclick="ToggleNavMenu">
Expand All @@ -14,11 +15,13 @@
<button class="navbar-toggler" hidden="@(!collapseNavMenu)" @onclick="ToggleNavMenu">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="">Rules Engine Editor</a>
<a class="navbar-brand" href="">@RulesEngineEditor.Resources.SharedResources.RulesEngineEditorTitle</a>
<div class="float-right">
<a href="demo">Demo (sample data)</a>
<a href="demo">@RulesEngineEditor.Resources.SharedResources.DemoSampleData</a>
&nbsp;
<a href="https://github.com/alexreich/RulesEngineEditor" target="_blank">About</a>
<a href="https://github.com/alexreich/RulesEngineEditor" target="_blank">@RulesEngineEditor.Resources.SharedResources.About</a>
&nbsp;
<RulesEngineEditor.Components.CultureSwitcher />
</div>
</div>
</div>
Expand All @@ -37,4 +40,4 @@
{
collapseNavMenu = !collapseNavMenu;
}
}
}
12 changes: 6 additions & 6 deletions demo/RulesEngineEditorWebAssembly/Shared/NavMenu.razor
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@@ -1,29 +1,29 @@
@*
@*
// Copyright (c) Alex Reich.
// Licensed under the CC BY 4.0 License.
*@
@using RulesEngineEditor.Resources
<div>
<ul class="nav flex-column">
<li class="nav-item px-3">
<NavLink class="nav-link" href="" Match="NavLinkMatch.All">
<span class="oi oi-home" aria-hidden="true"></span> Home
<span class="oi oi-home" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.Home
</NavLink>
</li>
<li class="nav-item px-3">
<NavLink class="nav-link" href="demo">
<span class="oi oi-book" aria-hidden="true"></span> Demo
<span class="oi oi-book" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.Demo
</NavLink>
</li>
<li class="nav-item px-3">
<NavLink class="nav-link" href="new">
<span class="oi oi-aperture" aria-hidden="true"></span> New
<span class="oi oi-aperture" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.New
</NavLink>
</li>
<li class="nav-item px-3">
<NavLink class="nav-link" href="standalone">
<span class="oi oi-fullscreen-enter" aria-hidden="true"></span> Standalone
<span class="oi oi-fullscreen-enter" aria-hidden="true"></span> @RulesEngineEditor.Resources.SharedResources.Standalone
</NavLink>
</li>
</ul>
</div>

14 changes: 14 additions & 0 deletions demo/RulesEngineEditorWebAssembly/wwwroot/culture.js
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@@ -0,0 +1,14 @@
window.blazorCulture = {
get: function () {
return window.localStorage['BlazorCulture'];
},
set: function (value) {
window.localStorage['BlazorCulture'] = value;
}
};

window.setCultureCookie = function (culture) {
var cookieValue = 'c=' + culture + '|uic=' + culture;
var secure = (location.protocol === 'https:') ? '; secure' : '';
document.cookie = '.AspNetCore.Culture=' + cookieValue + '; path=/; samesite=lax' + secure;
};
1 change: 1 addition & 0 deletions demo/RulesEngineEditorWebAssembly/wwwroot/index.html
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Expand Up @@ -45,6 +45,7 @@
<a class="dismiss">🗙</a>
</div>
<script src="_framework/blazor.webassembly.js"></script>
<script src="culture.js"></script>
<script>navigator.serviceWorker.register('service-worker.js');</script>
</body>

Expand Down
18 changes: 18 additions & 0 deletions src/RulesEngineEditor/Components/CultureSwitcher.razor
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@@ -0,0 +1,18 @@
@using Microsoft.JSInterop
@inject IJSRuntime JS
@inject NavigationManager Nav
@code {
private string selectedCulture = System.Globalization.CultureInfo.CurrentUICulture.Name;
private async Task OnChange(ChangeEventArgs e)
{
selectedCulture = e.Value?.ToString() ?? "en-US";
await JS.InvokeVoidAsync("blazorCulture.set", selectedCulture);
await JS.InvokeVoidAsync("setCultureCookie", selectedCulture);
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Copilot AI Dec 28, 2025

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The CultureSwitcher component relies on two JavaScript functions (blazorCulture.set and setCultureCookie) that are defined in culture.js, but there's no error handling if these functions are not available or fail to execute. If culture.js fails to load or the functions are not defined, this will cause a runtime JavaScript exception. Consider adding try-catch around the JS invocations or checking if the functions exist before calling them.

Suggested change
await JS.InvokeVoidAsync("blazorCulture.set", selectedCulture);
await JS.InvokeVoidAsync("setCultureCookie", selectedCulture);
try
{
await JS.InvokeVoidAsync("blazorCulture.set", selectedCulture);
await JS.InvokeVoidAsync("setCultureCookie", selectedCulture);
}
catch (JSException)
{
// If the culture.js script or functions are unavailable, ignore and continue.
}
catch (Exception)
{
// Swallow unexpected errors from JS interop to avoid breaking navigation.
}

Copilot uses AI. Check for mistakes.
Nav.NavigateTo(Nav.Uri, forceLoad: true);
}
}
<select class="form-select form-select-sm" value="@selectedCulture" @onchange="OnChange" style="min-width:120px">
<option value="en-US">English</option>
<option value="zh-CN">中文（简体）</option>

</select>
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Copilot AI Dec 28, 2025

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The culture switcher select element lacks an accessible label. Screen reader users won't know what this dropdown is for. Add either a visible label, an aria-label attribute, or associate it with a label element using aria-labelledby to describe its purpose (e.g., "Select Language" or "Language Selector").

Copilot uses AI. Check for mistakes.
19 changes: 10 additions & 9 deletions src/RulesEngineEditor/Components/InputEditor.razor
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@@ -1,34 +1,35 @@
@*
@*
// Copyright (c) Alex Reich.
// Licensed under the CC BY 4.0 License.
*@
@using RulesEngineEditor.Models
@inject RulesEngineEditor.Services.WorkflowService WorkflowService
@using RulesEngineEditor.Resources

@if (Input != null)
{
<sp_grid_kvp>
<div>Input Name</div>
<div>@RulesEngineEditor.Resources.SharedResources.InputName</div>
</sp_grid_kvp>
<EditForm EditContext="@EditContext">
<DataAnnotationsValidator />
<ValidationSummary />
<sp_grid_workflow>
<div>
<InputText title="Name" class="form-control" @bind-Value="@Input.InputRuleName" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" />
<InputText title="@RulesEngineEditor.Resources.SharedResources.InputName" class="form-control" @bind-Value="@Input.InputRuleName" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" />
</div>
<div>
<button title="Delete Input" @onclick="@(e => DeleteInput())" class="btn btn-secondary">
<button title="@RulesEngineEditor.Resources.SharedResources.Delete" @onclick="@(e => DeleteInput())" class="btn btn-secondary">
<span class="oi oi-trash"></span>
</button>
</div>
</sp_grid_workflow>
<h5>Parameters</h5>
<button class="reeditor_button" title="Add Input Parameter" @onclick="AddParameter">Add</button>
<button class="reeditor_button @IsPressed(sort, "button_depressed")" @onclick="(() => sort = !sort)">Arrange</button>
<h5>@RulesEngineEditor.Resources.SharedResources.Parameters</h5>
<button class="reeditor_button" title="@RulesEngineEditor.Resources.SharedResources.AddInputParameter" @onclick="AddParameter">@RulesEngineEditor.Resources.SharedResources.Add</button>
<button class="reeditor_button @IsPressed(sort, "button_depressed")" @onclick="(() => sort = !sort)">@RulesEngineEditor.Resources.SharedResources.Arrange</button>
<sp_grid_kvp>
<div>Input Param Name</div>
<div>Value</div>
<div>@RulesEngineEditor.Resources.SharedResources.InputParamName</div>
<div>@RulesEngineEditor.Resources.SharedResources.Value</div>
</sp_grid_kvp>
</EditForm>
@if (sort)
Expand Down
7 changes: 4 additions & 3 deletions src/RulesEngineEditor/Components/InputParamEditor.razor
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@@ -1,19 +1,20 @@
@*
@*
// Copyright (c) Alex Reich.
// Licensed under the CC BY 4.0 License.
*@
@using RulesEngineEditor.Models
@inject RulesEngineEditor.Services.WorkflowService WorkflowService
@using RulesEngineEditor.Resources

<EditForm EditContext="@EditContext">
<DataAnnotationsValidator />
<ValidationSummary />
<sp_grid_inputparameter>
<div>
<InputText title="Input Parameter Name" class="form-control" @bind-Value="@InputParam.Name" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" />
<InputText title="@RulesEngineEditor.Resources.SharedResources.InputParamName" class="form-control" @bind-Value="@InputParam.Name" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" />
</div>
<div>
<InputTextArea title="Value" rows="5" form="Expression" class="form-control" @bind-Value="@InputParam.Value" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" />
<InputTextArea title="@RulesEngineEditor.Resources.SharedResources.Value" rows="5" form="Expression" class="form-control" @bind-Value="@InputParam.Value" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" />
</div>
<div>
<button @onclick="@(e => InputParamDelete.InvokeAsync(InputParam))" class="btn btn-secondary m-1">
Expand Down
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