Libation/LibationWinForms/LiberateDataGridViewImageButtonColumn.cs

67 lines
2.4 KiB
C#

using ApplicationServices;
using System;
using System.Drawing;
using System.Windows.Forms;
using System.Linq;
using DataLayer;
namespace LibationWinForms
{
public class LiberateDataGridViewImageButtonColumn : DataGridViewButtonColumn
{
public LiberateDataGridViewImageButtonColumn()
{
CellTemplate = new LiberateDataGridViewImageButtonCell();
}
}
internal class LiberateDataGridViewImageButtonCell : DataGridViewImageButtonCell
{
protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates elementState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
{
base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, null, null, null, cellStyle, advancedBorderStyle, paintParts);
if (value is (LiberatedStatus, LiberatedStatus) or (LiberatedStatus, null))
{
var (bookState, pdfState) = ((LiberatedStatus bookState, LiberatedStatus? pdfState))value;
(string mouseoverText, Bitmap buttonImage) = GetLiberateDisplay(bookState, pdfState);
DrawButtonImage(graphics, buttonImage, cellBounds);
ToolTipText = mouseoverText;
}
}
private static (string mouseoverText, Bitmap buttonImage) GetLiberateDisplay(LiberatedStatus liberatedStatus, LiberatedStatus? pdfStatus)
{
(string libState, string image_lib) = liberatedStatus switch
{
LiberatedStatus.Liberated => ("Liberated", "green"),
LiberatedStatus.PartialDownload => ("File has been at least\r\npartially downloaded", "yellow"),
LiberatedStatus.NotLiberated => ("Book NOT downloaded", "red"),
_ => throw new Exception("Unexpected liberation state")
};
(string pdfState, string image_pdf) = pdfStatus switch
{
LiberatedStatus.Liberated => ("\r\nPDF downloaded", "_pdf_yes"),
LiberatedStatus.NotLiberated => ("\r\nPDF NOT downloaded", "_pdf_no"),
null => ("", ""),
_ => throw new Exception("Unexpected PDF state")
};
var mouseoverText = libState + pdfState;
if (liberatedStatus == LiberatedStatus.NotLiberated ||
liberatedStatus == LiberatedStatus.PartialDownload ||
pdfStatus == LiberatedStatus.NotLiberated)
mouseoverText += "\r\nClick to complete";
var buttonImage = (Bitmap)Properties.Resources.ResourceManager.GetObject($"liberate_{image_lib}{image_pdf}");
return (mouseoverText, buttonImage);
}
}
}