Added Base component with ID used for state management. All other components must inherit from it To get Id property

src/Connected.Components.Showcase.Runner/Program.cs

@@ -14,6 +14,7 @@ internal class Program
 		builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
 
 		builder.Services.AddModalDialogService();
+		builder.Services.AddStateManagementService();
 
 		await builder.Build().RunAsync();
 	}

src/Connected.Components/Classes/InputBase.cs

@@ -1,8 +1,9 @@
-using Connected.Utilities;
+using Connected.Components;
+using Connected.Utilities;
 using Microsoft.AspNetCore.Components;
 
 namespace Connected.Models;
-public class InputBase : ComponentBase
+public class InputBase : Base
 {
 	[Parameter]
 	public string Class { get; set; } = string.Empty;
@@ -72,7 +73,7 @@ public class InputBase : ComponentBase
 	/// Fired when the text value changes.
 	/// </summary>
 	[Parameter] public EventCallback<string> TextChanged { get; set; }
-	public string Text { get; set; }
+	public string Text { get; set; } = string.Empty;
 
 	protected virtual async Task SetTextAsync(string text)
 	{

src/Connected.Components/Classes/State.cs

@@ -0,0 +1,18 @@
+using Microsoft.AspNetCore.Components;
+
+namespace Connected.Classes
+{
+	public class State
+	{
+		public Type? ComponentType { get; set; }
+		public string Id { get; set; }
+		public Dictionary<string, object>? Values { get; set; }
+
+		public State()
+		{
+			ComponentType = null;
+			Id=string.Empty;
+			Values = new();
+		}
+	}
+}

src/Connected.Components/Components/Base.razor

@@ -0,0 +1,5 @@
+@inherits ComponentBase
+
+@*Base class for all components
+It contains unique ID for the component used in
+saving state of the component*@

src/Connected.Components/Components/Base.razor.cs

@@ -0,0 +1,20 @@
+using Microsoft.AspNetCore.Components;
+
+namespace Connected.Components
+{
+	public partial class Base : ComponentBase
+	{
+		/// <summary>
+		/// Unique ID for the component used in state management
+		/// Every component should inherit from Base class
+		/// </summary>
+		[Parameter, EditorRequired]
+		public string Id { get; set; } = Guid.NewGuid().ToString();
+
+		protected override void OnInitialized()
+		{
+			if (string.IsNullOrEmpty(Id))
+				Id = Guid.NewGuid().ToString();
+		}
+	}
+}

src/Connected.Components/Components/Button.razor

@@ -1,4 +1,6 @@
-<button type="button"
+@inherits Base
+
+<button type="button"
         @onclick="@OnClick"
         disabled=@Disabled
         style="@StyleList"

src/Connected.Components/Components/Button.razor.cs

@@ -3,7 +3,7 @@ using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
 
 namespace Connected.Components;
-public partial class Button
+public partial class Button : Base
 {
 	#region Parameters
 

src/Connected.Components/Components/CheckBox.razor

@@ -3,7 +3,7 @@
 @inherits InputBase;
 
 <label class="checkbox-group"
-       for="@Id">
+       for="@base.Id">
     <input class="@ClassList"
            style="@StyleList"
            id="@Id"

src/Connected.Components/Components/CheckBox.razor.cs

@@ -13,13 +13,6 @@ public partial class CheckBox : InputBase
 	[Parameter]
 	public bool Checked { get; set; } = false;
 
-
-	/// <summary>
-	/// ID for the CheckBox
-	/// </summary>
-	[Parameter, EditorRequired]
-	public string? Id { get; set; }
-
 	/// <summary>
 	/// Event when the checked is changed
 	/// </summary>

src/Connected.Components/Components/Chip.razor

@@ -1,4 +1,6 @@
-<h3>Chip</h3>
+@inherits Base
+
+<h3>Chip</h3>
 
 @code {
 

src/Connected.Components/Components/Chip.razor.cs

@@ -1,7 +1,5 @@
-using Microsoft.AspNetCore.Components;
+namespace Connected.Components;
 
-namespace Connected.Components;
+public partial class Chip: Base
-
-public partial class Chip
 {
 }

src/Connected.Components/Components/DatePicker.razor

@@ -1,5 +1,7 @@
 @using System.Globalization;
 
+@inherits Base
+
 @if (loaded)
 {
     <div id="picker">

src/Connected.Components/Components/DatePicker.razor.cs

@@ -1,7 +1,7 @@
 using Microsoft.AspNetCore.Components;
 
 namespace Connected.Components;
-public partial class DatePicker
+public partial class DatePicker: Base
 {
 	private bool loaded = false;
 

src/Connected.Components/Components/Dropdown.razor

@@ -1,5 +1,7 @@
-@typeparam T;
+@using Connected.Models
-@inherits Connected.Models.InputBase;
+
+@typeparam T;
+@inherits InputBase;
 
 <div class="@InputFieldClassList">
    <select type="textarea" @onfocus="(()=> Open())" @onblur="(()=> Close())">

src/Connected.Components/Components/Dropdown.razor.cs

@@ -1,7 +1,6 @@
 using Microsoft.AspNetCore.Components;
 using System.Collections.ObjectModel;
 using Connected.Models;
-using System.Collections.Immutable;
 
 namespace Connected.Components;
 

src/Connected.Components/Components/FormWizard.razor

@@ -1,4 +1,6 @@
-@if (loaded)
+@inherits Base
+
+@if (loaded)
 {
     <CascadingValue Value="this">
         <section id="@Id" class="@ClassList" style="@StyleList">
@@ -23,5 +25,5 @@
     </section>
 </CascadingValue>
 } else {
-    <p>Loading wizard....</p>
+    <p>@LoadingText</p>
 }

src/Connected.Components/Components/FormWizard.razor.cs

@@ -2,11 +2,10 @@
 using Connected.Enums;
 using Connected.Utilities;
 using Microsoft.AspNetCore.Components;
-using Microsoft.Extensions.Options;
 using System.Reflection.Metadata;
 
 namespace Connected.Components;
-public partial class FormWizard
+public partial class FormWizard: Base
 {
 
 	/// <summary>
@@ -23,6 +22,12 @@ public partial class FormWizard
 	[Parameter]
 	public List<FormWizardStep> Steps { get; set; } = new();
 
+	/// <summary>
+	/// Steps of type FormWizardStep
+	/// </summary>
+	[Parameter]
+	public string LoadingText { get; set; } = "Loading wizard...";
+
 	/// <summary>
 	/// Steps of type FormWizardStep
 	/// </summary>
@@ -41,9 +46,6 @@ public partial class FormWizard
 	[Parameter]
 	public EventCallback OnCancelClick { get; set; }
 
-	[Parameter]
-	public string Id { get; set; } = Guid.NewGuid().ToString();
-
 	/// <summary>
 	/// Text shown inside the button
 	/// Options: any string variable

src/Connected.Components/Components/FormWizardStep.razor

@@ -1,3 +1,5 @@
-<div class="@ClassList" style="@StyleList">
+@inherits Base
+
+<div class="@ClassList" style="@StyleList">
     @ChildContent
 </div>

src/Connected.Components/Components/FormWizardStep.razor.cs

@@ -2,19 +2,13 @@
 using Microsoft.AspNetCore.Components;
 
 namespace Connected.Components;
-public partial class FormWizardStep
+public partial class FormWizardStep: Base
 {
 	#region Parameters
 
 	[CascadingParameter]
 	public FormWizard Parent { get; set; }
 
-	/// <summary>
-	/// Unique name of the step (used for properly identifying steps)
-	/// </summary>
-	[Parameter]
-	public string? Id { get; set; } = Guid.NewGuid().ToString();
-
 	/// <summary>
 	/// Text shown inside the button
 	/// Options: any string variable
@@ -57,7 +51,6 @@ public partial class FormWizardStep
 
 	#endregion
 
-
 	#region Styling
 
 	public string StyleList

src/Connected.Components/Components/Glyph.razor

@@ -1,3 +1,5 @@
-<svg viewBox="0 0 24 24"  class="@GlyphClassList" @onclick="@OnClick">
+@inherits Base
+
+<svg viewBox="0 0 24 24"  class="@GlyphClassList" @onclick="@OnClick">
     @((MarkupString)SVG)
 </svg>

src/Connected.Components/Components/Glyph.razor.cs

@@ -4,7 +4,7 @@ using Microsoft.AspNetCore.Components.Web;
 
 namespace Connected.Components;
 
-public partial class Glyph
+public partial class Glyph: Base
 {
 	/// <summary>
 	/// SVG markup string for glyph

src/Connected.Components/Components/Grid.razor

@@ -1,6 +1,8 @@
 @attribute [CascadingTypeParameter(nameof(DataType))]
 @typeparam DataType
 
+@inherits Base
+
 <CascadingValue Value="this">
     <div class="@GridClassList.ToString()">
         @foreach (var Item in ItemsToShow)

src/Connected.Components/Components/Grid.razor.cs

@@ -1,11 +1,10 @@
 using Connected.Classes.Grid;
 using Connected.Utilities;
 using Microsoft.AspNetCore.Components;
-using Microsoft.Extensions.Options;
 using System.Collections.ObjectModel;
 
 namespace Connected.Components;
-public partial class Grid<DataType> : ComponentBase
+public partial class Grid<DataType> : Base
 {
 
 	[Parameter]

src/Connected.Components/Components/GridRow.razor

@@ -1,5 +1,7 @@
 @typeparam DataType
 
+@inherits Base
+
 <CascadingValue Value="this">
     <div class="@GridRowClass.ToString()" id="@Guid.NewGuid()">
         <div class="data-grid-select">

src/Connected.Components/Components/GridRow.razor.cs

@@ -2,7 +2,7 @@
 using Microsoft.AspNetCore.Components;
 
 namespace Connected.Components;
-public partial class GridRow<DataType> : ComponentBase
+public partial class GridRow<DataType> : Base
 {
 
 	[CascadingParameter]

src/Connected.Components/Components/Link.razor

@@ -1,4 +1,6 @@
-<a class="@LinkClassList"
+@inherits Base
+
+<a class="@LinkClassList"
    style="@LinkStyleList"
    href="@Url"
    target="@_target">

src/Connected.Components/Components/Link.razor.cs

@@ -1,10 +1,9 @@
 using Connected.Enums;
 using Connected.Utilities;
 using Microsoft.AspNetCore.Components;
-using static Connected.Colors;
 
 namespace Connected.Components;
-public partial class Link
+public partial class Link: Base
 {
 	/// <summary>
 	/// URL of the link

src/Connected.Components/Components/ModalDialog.razor

@@ -1,4 +1,7 @@
 @using Connected.Models.Modal;
+
+@inherits Base
+
 @if (IsVisible)
 {
    <div class="@ClassList" @onclick="@CloseIfEnabled" @onkeydown="@(e => CheckEscape(e))" tabindex="-1" @ref="@root">

src/Connected.Components/Components/ModalDialog.razor.cs

@@ -4,10 +4,9 @@ using Connected.Services;
 using Connected.Utilities;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
-using System.Reflection;
 
 namespace Connected.Components;
-public partial class ModalDialog : IDisposable
+public partial class ModalDialog : Base, IDisposable
 {
 	[Inject] ModalDialogService? ModalService { get; set; }
 

src/Connected.Components/Components/NumberStepper.razor

@@ -1,5 +1,7 @@
 @typeparam NumberType
 
+@inherits Base
+
 <div class="form-group-alt">
     <div class="input-group-content">
         <div class="input-cta-icon" @onclick="StepDown">

src/Connected.Components/Components/NumberStepper.razor.cs

@@ -4,7 +4,7 @@ using System.Numerics;
 
 namespace Connected.Components
 {
-	public partial class NumberStepper<NumberType> where NumberType : INumber<NumberType>
+	public partial class NumberStepper<NumberType> where NumberType : Base,  INumber<NumberType>
 
 	{
 		[Parameter]

src/Connected.Components/Components/Radio.razor.cs

@@ -12,9 +12,6 @@ public partial class Radio : InputBase
 	[Parameter]
 	public bool Checked { get; set; } = false;
 
-	[Parameter, EditorRequired]
-	public string? Id { get; set; }
-
 	#endregion
 
 	#region Events

src/Connected.Components/Components/RadioGroup.razor

@@ -1,5 +1,7 @@
 @using Connected.Models;
 
+@inherits Base
+
 <CascadingValue Value="this">
    <div>
       @if (!string.IsNullOrEmpty(Name))

src/Connected.Components/Components/RadioGroup.razor.cs

@@ -1,7 +1,7 @@
 using Microsoft.AspNetCore.Components;
 
 namespace Connected.Components;
-public partial class RadioGroup
+public partial class RadioGroup: Base
 {
 	#region Parameters
 

src/Connected.Components/Components/ToggleInput.razor.cs

@@ -13,9 +13,6 @@ public partial class ToggleInput: InputBase
 		set => _checked= (bool)value;
 	}
 
-	[Parameter, EditorRequired]
-	public string Id { get; set; }
-
 	[Parameter]
 	public EventCallback<bool> CheckedChanged { get; set; }
 

src/Connected.Components/Services/ServiceCollectionExtensions.cs

@@ -6,4 +6,7 @@ public static class ServiceCollectionExtensions
 {
 	public static IServiceCollection AddModalDialogService(this IServiceCollection services)
 		 => services.AddScoped<ModalDialogService>();
+
+	public static IServiceCollection AddStateManagementService(this IServiceCollection services)
+		 => services.AddSingleton<StateManagerService>();
 }

src/Connected.Components/Services/StateManagerService.cs

@@ -0,0 +1,71 @@
+using Connected.Classes;
+using Connected.Components;
+using System.Collections.ObjectModel;
+
+namespace Connected.Services;
+public class StateManagerService
+{
+	public void SaveOrUpdateComponentState(Base Component)
+	{
+		var current_state = new State();
+		var properties = Component.GetType().GetProperties();
+		current_state.Id = Component.Id;
+		current_state.ComponentType = Component.GetType();
+		if (current_state.Values is null) current_state.Values = new Dictionary<string, object>();
+		foreach (var property in properties)
+		{
+			var value = property.GetValue(Component);
+			if (value is not null)
+				current_state.Values.Add(property.Name, value);
+		}
+		if (SavedStates is null) SavedStates = new ObservableCollection<State>();
+		SavedStates.Add(current_state);
+	}
+
+	public State? LoadComponentState(string ComponentId)
+	{
+		if (string.IsNullOrEmpty(ComponentId)) return null;
+		if (SavedStates is not null)
+		{
+			var Component = SavedStates.Where(state => state.Id == ComponentId).FirstOrDefault();
+			return Component;
+		}
+		return null;
+	}
+
+	public bool RemoveComponentState(string ComponentId)
+	{
+		bool result = false;
+		try
+		{
+			if (SavedStates is not null)
+			{
+				return SavedStates.Remove(SavedStates.FirstOrDefault(state => state.Id == ComponentId));
+			}
+		} catch (Exception ex)
+		{
+			result = false;
+		}
+		return result;
+	}
+
+	public bool ClearComponentStates()
+	{
+		bool result = false;
+		try
+		{
+			if (SavedStates is not null)
+			{
+				SavedStates.Clear();
+				result = true;
+			}
+		} catch
+		{
+			result = false;
+		}
+		return result;
+	}
+
+	private ObservableCollection<State>? SavedStates { get; set; } = new();
+
+}