125 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| using System;
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| using System.ComponentModel.Design;
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| using System.Drawing;
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| using System.Drawing.Design;
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| using System.ComponentModel;
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| using System.Windows.Forms;
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| using System.Windows.Forms.Design;
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| using DevComponents.DotNetBar.Controls;
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| using DevComponents.DotNetBar.SuperGrid;
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| 
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| namespace DevComponents.SuperGrid.Design
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| {
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| 	/// <summary>
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| 	/// Represents the class used for picking an image from image list
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| 	/// </summary>
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| 	public class ImageIndexEditor : UITypeEditor
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|     {
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|         #region Private variables
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| 
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|         private ImageList _ImageList;
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| 
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|         #endregion
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| 
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|         #region GetEditStyle
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| 
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|         public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
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|         {
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|             if (context != null)
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|                  _ImageList = GetImageList(context);
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| 
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|             return (UITypeEditorEditStyle.DropDown);
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|         }
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| 
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|         #region GetImageList
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| 
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|         private ImageList GetImageList(ITypeDescriptorContext context)
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|         {
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|             IReferenceService r = (IReferenceService)context.GetService(typeof(IReferenceService));
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| 
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|             object[] objs = r.GetReferences(typeof(GridPanel));
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| 
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|             if (objs.Length > 0)
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|             {
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|                 GridPanel panel = (GridPanel)objs[0];
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|                 GridElement item = panel.SuperGrid.DesignerElement;
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| 
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|                 if (item != null)
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|                     return (item.GridPanel.ImageList);
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| 
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|                 return (panel.ImageList);
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|             }
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| 
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|             return (null);
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|         }
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| 
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|         #endregion
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| 
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|         #endregion
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| 
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|         #region GetPaintValueSupported
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| 
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|         public override bool GetPaintValueSupported(ITypeDescriptorContext context)
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| 		{
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| 			return (true);
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|         }
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| 
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|         #endregion
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| 
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|         #region PaintValue
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| 
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|         public override void PaintValue(PaintValueEventArgs e)
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|         {
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|             if (e.Value != null)
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|             {
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|                 Image img = GetImage((int)e.Value);
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| 
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|                 if (img != null)
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|                     e.Graphics.DrawImage(img, e.Bounds);
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|             }
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|         }
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| 
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|         #region GetImage
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| 
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|         private Image GetImage(int index)
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|         {
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|             if (_ImageList != null && (uint)index < _ImageList.Images.Count)
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|                 return (_ImageList.Images[index]);
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| 
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|             return (null);
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|         }
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| 
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|         #endregion
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| 
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|         #endregion
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| 
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|         #region EditValue
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| 
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|         public override object EditValue(
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|             ITypeDescriptorContext context, IServiceProvider provider, object value)
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|         {
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|             IWindowsFormsEditorService editorService =
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|                 provider.GetService(typeof (IWindowsFormsEditorService)) as IWindowsFormsEditorService;
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| 
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|             if (editorService != null && value is int)
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|             {
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|                 ImageIndexTypeDropDown dd = new
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|                     ImageIndexTypeDropDown((int)value, _ImageList, editorService, context);
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| 
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|                 dd.EscapePressed = false;
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| 
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|                 editorService.DropDownControl(dd);
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| 
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|                 if (dd.EscapePressed == true)
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|                     context.PropertyDescriptor.SetValue(context.Instance, value);
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|                 else
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|                     return (dd.Value);
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|             }
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| 
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|             return (base.EditValue(context, provider, value));
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|         }
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| 
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|         #endregion
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|     }
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| }
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