TextBox, PropertyChangeHandler

src/ConsoleApp/FileTime.ConsoleUI.App/Controls/CommandPalette.cs

@@ -0,0 +1,129 @@
+using FileTime.App.CommandPalette.Services;
+using FileTime.App.CommandPalette.ViewModels;
+using FileTime.ConsoleUI.App.Styling;
+using GeneralInputKey;
+using TerminalUI.Controls;
+using TerminalUI.Extensions;
+using TerminalUI.Models;
+using TerminalUI.ViewExtensions;
+
+namespace FileTime.ConsoleUI.App.Controls;
+
+public class CommandPalette
+{
+    private readonly ITheme _theme;
+    private readonly ICommandPaletteService _commandPaletteService;
+
+    public CommandPalette(ITheme theme, ICommandPaletteService commandPaletteService)
+    {
+        _theme = theme;
+        _commandPaletteService = commandPaletteService;
+    }
+    public Border<IRootViewModel> View()
+    {
+        var inputTextBox = new TextBox<IRootViewModel>()
+            .WithKeyHandler(k =>
+            {
+                if (k.Key == Keys.Escape)
+                {
+                    _commandPaletteService.CloseCommandPalette();
+                }
+            });
+
+        var root = new Border<IRootViewModel>
+        {
+            Margin = 5,
+            Padding = 1,
+            MaxWidth = 50,
+            Content = new Grid<IRootViewModel>
+            {
+                RowDefinitionsObject = "Auto *",
+                ChildInitializer =
+                {
+                    new Border<IRootViewModel>
+                    {
+                        Margin = new Thickness(0, 0, 0, 2),
+                        Content = inputTextBox
+                    },
+                    new ListView<IRootViewModel, ICommandPaletteEntryViewModel>
+                        {
+                            Extensions =
+                            {
+                                new GridPositionExtension(0, 1)
+                            },
+                            ItemTemplate = item =>
+                            {
+                                var root = new Grid<ICommandPaletteEntryViewModel>
+                                {
+                                    ColumnDefinitionsObject = "* Auto",
+                                    ChildInitializer =
+                                    {
+                                        new TextBlock<ICommandPaletteEntryViewModel>()
+                                            .Setup(t => t.Bind(
+                                                t,
+                                                d => d.Title,
+                                                t => t.Text)),
+                                        new TextBlock<ICommandPaletteEntryViewModel>
+                                            {
+                                                Extensions =
+                                                {
+                                                    new GridPositionExtension(1, 0)
+                                                }
+                                            }
+                                            .Setup(t => t.Bind(
+                                                t,
+                                                d => d.Shortcuts,
+                                                t => t.Text))
+                                    }
+                                };
+
+                                item.Bind(
+                                    item.Parent,
+                                    d => d.CommandPalette.SelectedItem == item ? _theme.ListViewItemTheme.SelectedBackgroundColor : null,
+                                    t => t.Background
+                                );
+
+                                item.Bind(
+                                    item.Parent,
+                                    d => d.CommandPalette.SelectedItem == item ? _theme.ListViewItemTheme.SelectedForegroundColor : null,
+                                    t => t.Foreground
+                                );
+
+                                return root;
+                            }
+                        }.Setup(t => t.Bind(
+                            t,
+                            d => d.CommandPalette.FilteredMatches,
+                            t => t.ItemsSource
+                        ))
+                        .Setup(t => t.Bind(
+                            t,
+                            d => d.CommandPalette.SelectedItem,
+                            t => t.SelectedItem
+                        ))
+                }
+            }
+        };
+
+        root.WithPropertyChangedHandler(r => r.IsVisible,
+            (_, _, isVisible) =>
+            {
+                if (isVisible)
+                {
+                    inputTextBox.Focus();
+                }
+                else
+                {
+                    inputTextBox.UnFocus();
+                }
+            });
+
+        root.Bind(
+            root,
+            d => d.CommandPalette.ShowWindow.Value,
+            t => t.IsVisible,
+            r => r);
+
+        return root;
+    }
+}