DreamineDataGrid.cs

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using System.Drawing;
using Dreamine.UI.WinForms;
 
namespace Dreamine.UI.WinForms.Controls;

public class DreamineDataGrid : DataGridView
{
    private int _lastClickedRow = -1;

    public bool EnableClickToDeselect { get; set; }

    public DreamineDataGrid()
    {
        BorderStyle = BorderStyle.None;
        BackgroundColor = DreamineTheme.InputBackground;
        GridColor = DreamineTheme.BorderNormal;
        RowHeadersVisible = false;
        AllowUserToAddRows = false;
        AllowUserToDeleteRows = false;
        AllowUserToResizeRows = false;
        ReadOnly = true;
        SelectionMode = DataGridViewSelectionMode.FullRowSelect;
        MultiSelect = false;
        AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
        ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing;
        ColumnHeadersHeight = 32;
        EnableHeadersVisualStyles = false;
        CellBorderStyle = DataGridViewCellBorderStyle.SingleHorizontal;
        Font = new Font("Segoe UI", 9.5f);
 
        ColumnHeadersDefaultCellStyle.BackColor = DreamineTheme.NavBackground;
        ColumnHeadersDefaultCellStyle.ForeColor = DreamineTheme.TextPrimary;
        ColumnHeadersDefaultCellStyle.Font = new Font("Segoe UI", 9.5f, FontStyle.Bold);
        ColumnHeadersDefaultCellStyle.SelectionBackColor = DreamineTheme.NavBackground;
 
        DefaultCellStyle.BackColor = DreamineTheme.InputBackground;
        DefaultCellStyle.ForeColor = DreamineTheme.TextPrimary;
        DefaultCellStyle.SelectionBackColor = DreamineTheme.AccentBlue;
        DefaultCellStyle.SelectionForeColor = Color.White;
 
        AlternatingRowsDefaultCellStyle.BackColor = DreamineTheme.CardBackground;
        AlternatingRowsDefaultCellStyle.ForeColor = DreamineTheme.TextPrimary;
        AlternatingRowsDefaultCellStyle.SelectionBackColor = DreamineTheme.AccentBlue;
        AlternatingRowsDefaultCellStyle.SelectionForeColor = Color.White;
 
        CellClick += DreamineDataGrid_CellClick;
    }

    private void DreamineDataGrid_CellClick(object? sender, DataGridViewCellEventArgs e)
    {
        if (!EnableClickToDeselect || e.RowIndex < 0)
            return;
 
        if (_lastClickedRow == e.RowIndex)
        {
            ClearSelection();
            CurrentCell = null;
            _lastClickedRow = -1;
        }
        else
        {
            _lastClickedRow = e.RowIndex;
        }
    }
}