From b968d873fc5aaa81230f6c6cc5521fb5b28974f5 Mon Sep 17 00:00:00 2001
From: maliming <malimings@gmail.com>
Date: Thu, 3 Jun 2021 13:15:57 +0800
Subject: [PATCH] Cascade select/deselect feature checkboxs.

Resolve #9200
---
 .../Components/FeatureManagementModal.razor   | 12 ++--
 .../FeatureManagementModal.razor.cs           | 55 ++++++++++++++++++-
 2 files changed, 60 insertions(+), 7 deletions(-)

diff --git a/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Components/FeatureManagementModal.razor b/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Components/FeatureManagementModal.razor
index 8443008286..f2e30e4a58 100644
--- a/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Components/FeatureManagementModal.razor
+++ b/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Components/FeatureManagementModal.razor
@@ -29,7 +29,7 @@
                         {
                             <TabPanel Name="@GetNormalizedGroupName(group.Name)">
                                 <h4>@group.DisplayName</h4>
-
+                                <hr class="mt-2 mb-3"/>
                                 @foreach (var feature in group.Features)
                                 {
                                     var disabled = IsDisabled(feature.Provider.Name);
@@ -40,7 +40,8 @@
                                             <FieldLabel>@feature.DisplayName</FieldLabel>
                                             <TextEdit Disabled="@disabled"
                                                       Text="@feature.Value"
-                                                      TextChanged="@(async(v) => await OnFeatureValueChangedAsync(v, feature))" />
+                                                      TextChanged="@(async(v) => await OnFeatureValueChangedAsync(v, feature))"
+                                                      Style="@GetFeatureStyles(feature)" />
                                             @if (feature.Description != null)
                                             {
                                                 <span>@feature.Description</span>
@@ -52,7 +53,7 @@
                                     {
                                         var items = ((SelectionStringValueType)feature.ValueType).ItemSource.Items;
 
-                                        <Field>
+                                        <Field Style="@GetFeatureStyles(feature)">
                                             <FieldLabel>@feature.DisplayName</FieldLabel>
                                             <Select TValue="string"
                                                     @bind-SelectedValue="@SelectionStringValues[feature.Name]">
@@ -69,7 +70,8 @@
                                     if (feature.ValueType is ToggleStringValueType)
                                     {
                                         <Field>
-                                            <Check TValue="bool" @bind-Checked="@ToggleValues[feature.Name]">@feature.DisplayName</Check>
+                                            <Check
+                                                TValue="bool" Checked="@ToggleValues[feature.Name]" CheckedChanged="@(async(v) => await OnSelectedValueChangedAsync(v, feature))" Style="@GetFeatureStyles(feature)">@feature.DisplayName</Check>
                                         </Field>
                                     }
                                 }
@@ -85,4 +87,4 @@
             <Button Color="Color.Primary" Clicked="SaveAsync">@L["Save"]</Button>
         </ModalFooter>
     </ModalContent>
-</Modal>
\ No newline at end of file
+</Modal>
diff --git a/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Components/FeatureManagementModal.razor.cs b/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Components/FeatureManagementModal.razor.cs
index 12c39dd94f..73e4b716cf 100644
--- a/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Components/FeatureManagementModal.razor.cs
+++ b/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Components/FeatureManagementModal.razor.cs
@@ -109,6 +109,11 @@ namespace Volo.Abp.FeatureManagement.Blazor.Components
             return "FeatureGroup_" + name.Replace(".", "_");
         }
 
+        protected virtual string GetFeatureStyles(FeatureDto feature)
+        {
+            return $"margin-left: {feature.Depth * 20}px";
+        }
+
         protected virtual bool IsDisabled(string providerName)
         {
             return providerName != ProviderName && providerName != DefaultValueFeatureValueProvider.ProviderName;
@@ -126,9 +131,55 @@ namespace Volo.Abp.FeatureManagement.Blazor.Components
             }
         }
 
-        protected virtual void SelectedValueChanged(string featureName, string value)
+        protected virtual Task OnSelectedValueChangedAsync(bool value, FeatureDto feature)
+        {
+            ToggleValues[feature.Name] = value;
+
+            if (value)
+            {
+                CheckParents(feature.ParentName);
+            }
+            else
+            {
+                UncheckChildren(feature.Name);
+            }
+
+            return Task.CompletedTask;
+        }
+
+        protected virtual void CheckParents(string parentName)
         {
-            SelectionStringValues[featureName] = value;
+            if (parentName.IsNullOrWhiteSpace())
+            {
+                return;
+            }
+
+            foreach (var featureGroupDto in Groups)
+            {
+                foreach (var featureDto in featureGroupDto.Features)
+                {
+                    if (featureDto.Name == parentName && ToggleValues.ContainsKey(featureDto.Name))
+                    {
+                        ToggleValues[featureDto.Name] = true;
+                        CheckParents(featureDto.ParentName);
+                    }
+                }
+            }
+        }
+
+        protected virtual void UncheckChildren(string featureName)
+        {
+            foreach (var featureGroupDto in Groups)
+            {
+                foreach (var featureDto in featureGroupDto.Features)
+                {
+                    if (featureDto.ParentName == featureName && ToggleValues.ContainsKey(featureDto.Name))
+                    {
+                        ToggleValues[featureDto.Name] = false;
+                        UncheckChildren(featureDto.Name);
+                    }
+                }
+            }
         }
 
         protected virtual IStringLocalizer CreateStringLocalizer(string resourceName)