inabox/inabox.wpf/Dashboard/PresenterEditors/DynamicDashboardGridPresenterEditor.cs

using InABox.DynamicGrid;
using InABox.WPF;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;

namespace InABox.Wpf.Dashboard;

public class DynamicDashboardGridPresenterEditor : IDynamicDashboardDataPresenterEditor<DynamicDashboardGridPresenter, DynamicDashboardGridPresenterProperties>
{
    private DynamicDashboardDataComponent _dataComponent = null!;
    public DynamicDashboardDataComponent DataComponent
    {
        get => _dataComponent;
        set
        {
            _dataComponent = value;

            QueryBox.ItemsSource = DataComponent.Queries.Select(x => x.Key);
            if(!DataComponent.TryGetQuery(Properties.Query, out var _query))
            {
                Properties.Query = DataComponent.Queries.FirstOrDefault()?.Key ?? "";
            }
            QueryBox.SelectedValue = Properties.Query;
        }
    }

    public DynamicDashboardGridPresenterProperties Properties { get; set; } = null!;

    private ContentControl Content = new();
    private ComboBox QueryBox = new();

    public FrameworkElement? Setup()
    {
        UpdateData();

        var grid = new Grid();
        grid.AddRow(GridUnitType.Auto);
        grid.AddRow(GridUnitType.Star);

        var dock = new DockPanel
        {
            LastChildFill = false
        };
        var label = new Label
        {
            Content = "Query:",
            VerticalAlignment = VerticalAlignment.Center,
        };
        DockPanel.SetDock(label, Dock.Left);

        QueryBox.Padding = new(5);
        QueryBox.MinWidth = 100;
        QueryBox.SelectionChanged += QueryBox_SelectionChanged;
        DockPanel.SetDock(QueryBox, Dock.Left);

        dock.Children.Add(label);
        dock.Children.Add(QueryBox);

        Content.Margin = new(0, 5, 0, 0);

        grid.AddChild(dock, 0, 0);
        grid.AddChild(Content, 1, 0);

        Content.Height = 100;

        return grid;
    }

    private void QueryBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        Properties.Query = QueryBox.SelectedValue as string ?? "";
        UpdateData();
    }

    private void UpdateData()
    {
        if (!DataComponent.TryGetQuery(Properties.Query, out var query)) return;

        var grid = (Activator.CreateInstance(typeof(DynamicItemsListGrid<>).MakeGenericType(query.Type)) as IDynamicGrid)!;
        grid.Reconfigure(options =>
        {
            options.Clear();
            options.SelectColumns = true;
        });
        grid.OnGenerateColumns += (o, e) =>
        {
            e.Columns.Clear();
            if(Properties.Columns is null)
            {
                e.Columns.AddRange(grid.ExtractColumns(query.Columns));
            }
            else
            {
                e.Columns.AddRange(Properties.Columns);
            }
        };
        grid.OnSaveColumns += (o, e) =>
        {
            Properties.Columns = grid.VisibleColumns;
        };
        grid.Refresh(true, true);
        Content.Content = grid;
    }
}