Added plugin buttons

src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor

@@ -31,18 +31,34 @@
             </FluentButton>
         }
         
+        @foreach (var button in _pluginButtons.Where(pb => pb.IsForTable(_config)).Where(pb => pb.Position == PluginButtonPosition.TopLeft)) {
+            <FluentButton
+                IconStart="@(button.Icon?.GetInstance())"
+                OnClick="() => button.Handler.Invoke(null!, _config!)">
+                @button.Title
+            </FluentButton>
+        }
+        
         <FluentSpacer />
         <FluentSearch @oninput="OnSearch" @onchange="OnSearch" Style="width: 350px" />
         
         @if (_hasCreatePolicy && DisplayActions) {
             <FluentButton OnClick="async () => { await CreateOrEdit(null); }">Add Entry</FluentButton>
         }
+
+        @foreach (var button in _pluginButtons.Where(pb => pb.IsForTable(_config)).Where(pb => pb.Position == PluginButtonPosition.TopRight)) {
+            <FluentButton
+                IconStart="@(button.Icon?.GetInstance())"
+                OnClick="() => button.Handler.Invoke(null!, _config!)">
+                @button.Title
+            </FluentButton>
+        }
     </FluentToolbar>
     <FluentProgress Visible="_loading" Width="100%" />
 
     <div style="display: flex; overflow-y: auto; flex-grow: 1">
         <div style="flex-grow: 1">
-            <FluentDataGrid Items="_currentlyDisplayedModels.AsQueryable()">
+            <FluentDataGrid Items="CurrentlyDisplayedModels.AsQueryable()">
                 @if (DisplaySelection) {
                     <SelectColumn 
                         TGridItem="object"
@@ -63,6 +79,12 @@
 
                 @if (DisplayActions && (_hasDeletePolicy || _hasUpdatePolicy)) {
                     <TemplateColumn Title="Actions" Align="@Align.End" Style="min-height: 44px; min-width: max-content">
+                        @foreach (var button in _pluginButtons.Where(pb => pb.IsForTable(_config)).Where(pb => pb.Position == PluginButtonPosition.OnEntry)) {
+                            <FluentButton OnClick="() => button.Handler.Invoke(context, _config!)">
+                                <FluentIcon Value="@(button.Icon!.GetInstance())" />
+                            </FluentButton>
+                        }
+                        
                         @if (_hasUpdatePolicy) {
                             <FluentButton aria-label="Edit entry" OnClick="async () => { await CreateOrEdit(context); }">
                                 <FluentIcon Value="@(new Icons.Regular.Size16.Edit())"/>
@@ -146,7 +168,7 @@
     private TableConfig? _config;
     private ITableManager? _manager;
 
-    private object[] _currentlyDisplayedModels = [];
+    public object[] CurrentlyDisplayedModels = [];
     private int _currentPage;
     private int _totalPages;
     private string? _searchTerm;
@@ -159,6 +181,7 @@
     private bool _allSelected;
 
     private readonly CancellationTokenSource _tokenSource = new();
+    private List<PluginButton> _pluginButtons = new();
 
     protected override void OnInitialized() {
         _config ??= Explorer.GetTable(TableDisplayName);
@@ -174,12 +197,18 @@
             return;
         }
 
+        var eventResult = await PluginOrchestrator.DispatchEvent(new PageInitializedEvent(this) {
+            Table = _config!
+        });
+        if (eventResult.IsCanceled) return;
+        _pluginButtons = eventResult.PluginButtons;
+
         _hasUpdatePolicy = await Handler.IsAuthenticatedAsync(_config?.UpdatePolicy);
         _hasDeletePolicy = await Handler.IsAuthenticatedAsync(_config?.DeletePolicy);
         _hasCreatePolicy = await Handler.IsAuthenticatedAsync(_config?.CreatePolicy);
         
         _manager ??= Explorer.GetTableManager(_config!.PropertyName);
-        _currentlyDisplayedModels = await _manager!.LoadPage(_currentPage, PerPage).ToArrayAsync();
+        CurrentlyDisplayedModels = await _manager!.LoadPage(_currentPage, PerPage).ToArrayAsync();
         _totalPages = await _manager.TotalPages(PerPage);
     }
 
@@ -228,7 +257,7 @@
         
         if (!string.IsNullOrEmpty(_searchTerm)) {
             (var query, _totalPages) = await _manager!.Search(_searchTerm, 0, PerPage);
-            _currentlyDisplayedModels = query.ToArray();
+            CurrentlyDisplayedModels = query.ToArray();
         }
         else {
             await OnInitializedAsync();
@@ -329,8 +358,8 @@
     }
 
     private void SelectAll() {
-        var selected = _currentlyDisplayedModels.All(DialogData!.SelectedObjects.Contains);
-        foreach (var displayedModel in _currentlyDisplayedModels) {
+        var selected = CurrentlyDisplayedModels.All(DialogData!.SelectedObjects.Contains);
+        foreach (var displayedModel in CurrentlyDisplayedModels) {
             SelectItem(displayedModel, !selected);
         }
         _allSelected = selected;

src/HopFrame.Web/Plugins/Events/PageInitializedEvent.cs

@@ -0,0 +1,93 @@
+using HopFrame.Core.Config;
+using HopFrame.Web.Components.Pages;
+using Microsoft.FluentUI.AspNetCore.Components;
+
+namespace HopFrame.Web.Plugins.Events;
+
+public class PageInitializedEvent(HopFrameTablePage sender) : HopFrameTablePageEventArgs(sender) {
+    public List<PluginButton> PluginButtons { get; } = new();
+    
+    public void AddPageButton(string title, Func<Task> callback, bool pushRight = false, IconInfo? icon = null) {
+        PluginButtons.Add(new() {
+            Title = title,
+            Icon = icon,
+            Position = pushRight ? PluginButtonPosition.TopRight : PluginButtonPosition.TopLeft,
+            Handler = (_, _) => callback.Invoke()
+        });
+    }
+
+    public void AddPageButton(string title, Action callback, bool pushRight = false, IconInfo? icon = null) {
+        AddPageButton(title, () => {
+            callback.Invoke();
+            return Task.CompletedTask;
+        }, pushRight, icon);
+    }
+
+    public void AddEntityButton(IconInfo icon, Func<object, TableConfig, Task> callback) {
+        PluginButtons.Add(new() {
+            Icon = icon,
+            Position = PluginButtonPosition.OnEntry,
+            Handler = callback
+        });
+    }
+
+    public void AddEntityButton(IconInfo icon, Action<object, TableConfig> callback) {
+        AddEntityButton(icon, (obj, cfg) => {
+            callback.Invoke(obj, cfg);
+            return Task.CompletedTask;
+        });
+    }
+
+    public void AddEntityButton<TEntity>(IconInfo icon, Func<TEntity, TableConfig, Task> callback) {
+        PluginButtons.Add(new() {
+            Icon = icon,
+            Position = PluginButtonPosition.OnEntry,
+            Handler = (obj, cfg) => callback.Invoke((TEntity)obj, cfg),
+            TableFilter = typeof(TEntity)
+        });
+    }
+
+    public void AddEntityButton<TEntity>(IconInfo icon, Action<TEntity, TableConfig> callback) {
+        AddEntityButton<TEntity>(icon, (obj, cfg) => {
+            callback.Invoke(obj, cfg);
+            return Task.CompletedTask;
+        });
+    }
+
+    public void AddPageButton<TEntity>(string title, Func<Task> callback, bool pushRight = false, IconInfo? icon = null) {
+        PluginButtons.Add(new() {
+            Title = title,
+            Icon = icon,
+            Position = pushRight ? PluginButtonPosition.TopRight : PluginButtonPosition.TopLeft,
+            Handler = (_, _) => callback.Invoke(),
+            TableFilter = typeof(TEntity)
+        });
+    }
+
+    public void AddPageButton<TEntity>(string title, Action callback, bool pushRight = false, IconInfo? icon = null) {
+        AddPageButton<TEntity>(title, () => {
+            callback.Invoke();
+            return Task.CompletedTask;
+        }, pushRight, icon);
+    }
+}
+
+public struct PluginButton {
+    public PluginButtonPosition Position { get; set; }
+    public Func<object, TableConfig, Task> Handler { get; set; }
+    public string? Title { get; set; }
+    public IconInfo? Icon { get; set; }
+    public Type? TableFilter { get; set; }
+
+    internal bool IsForTable(TableConfig? config) {
+        if (config is null) return false;
+        if (TableFilter is null) return true;
+        return config.TableType == TableFilter;
+    }
+}
+
+public enum PluginButtonPosition {
+    TopLeft = 0,
+    TopRight = 1,
+    OnEntry = 2
+}

src/HopFrame.Web/Plugins/HopFramePlugin.cs

@@ -1,7 +1,3 @@
 namespace HopFrame.Web.Plugins;
 
-public abstract class HopFramePlugin {
-
-    
-
-}
+public abstract class HopFramePlugin;