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#region GridControlDragNDropClass
/// <summary>
/// GridControl Drag에 적용할 Type
/// </summary>
public enum enumSetGridControlDrag
{
/// <summary>
/// Drag에 적용하는 이미지를 BitMap으로 사용하여, 크기제한이 없음.
/// </summary>
UsingBitmap,
/// <summary>
/// Drag에 적용하는 이미지를 ImageList를 사용하여 255, 255 크기 제한이 있음.
/// </summary>
UsingImageList,
}
/// <summary>
/// 해당 GridControl에 Drag N Drop를진행할때 적용 모드
/// </summary>
public enum enumSetGridControlDragNDropMode
{
/// <summary>
/// 해당 Grid에는 끌기 작업만 진행할 수 있음. Drop작업을 할 수 없음.
/// </summary>
UsingDrag,
/// <summary>
/// 해당 Grid는 끌기작업을 할수 없으며, Drop작업만 할 수 있음.
/// </summary>
UsingDrop,
/// <summary>
/// 해당 Grid는 끌기작업 및 Drop작업 모두 가능함.
/// </summary>
UsingBoth
}
/// <summary>
/// GridControl에 Drag시 선택한 Row를 마우스 커서 표시
/// </summary>
public class GridControlDragNDropClass
{
/// <summary>
/// 생성자
/// </summary>
public GridControlDragNDropClass()
{
}
/// <summary>
/// GridControl에 Drag시 선택한 Row를 마우스 커서에 표시할 수 있도록 세팅 METHOD
/// </summary>
/// <param name="enumDragType">Drag를 적용할 Type</param>
/// <param name="gridcontrol">적용할 GridControl</param>
/// <param name="enumDragMode">GridControl에 적용할 Drag N Drop MODE</param>
/// <param name="iTranspValue">BitMap에서만 적용할 투명도(Max. 255)</param>
public void SetGridControlDrag(enumSetGridControlDrag enumDragType, GridControl gridcontrol, enumSetGridControlDragNDropMode enumDragMode, int iTranspValue = 200)
{
switch (enumDragType)
{
case enumSetGridControlDrag.UsingBitmap:
GridControlDragHelperUsingBitmap gridBitmap = new GridControlDragHelperUsingBitmap();
gridBitmap.SetGridControlDrag(gridcontrol, enumDragMode, iTranspValue);
break;
case enumSetGridControlDrag.UsingImageList:
GridControlDragHelperUsingImageList gridImageList = new GridControlDragHelperUsingImageList();
gridImageList.SetGridControlDrag(gridcontrol, enumDragMode);
break;
}
}
}
class GridControlDragHelperUsingBitmap
{
int iTransValue = 200;
GridHitInfo downHitInfo = null;
gCursor gCurPic = null;
readonly Cursor curNo = new Cursor(new MemoryStream(global::HRCS_ADDIN_REVIEW.Properties.Resources.no));
readonly Cursor curMove = new Cursor(new MemoryStream(global::HRCS_ADDIN_REVIEW.Properties.Resources.move));
readonly Cursor curCopy = new Cursor(new MemoryStream(global::HRCS_ADDIN_REVIEW.Properties.Resources.copy));
enumSetGridControlDragNDropMode enumDragMode = enumSetGridControlDragNDropMode.UsingBoth;
// 요고는 커서모양을 리소스에 넣어둠.
public GridControlDragHelperUsingBitmap()
{
}
internal void SetGridControlDrag(GridControl gridcontrol, enumSetGridControlDragNDropMode enumDragMode, int iTransValue = 200)
{
gridcontrol.AllowDrop = true;
this.enumDragMode = enumDragMode;
this.iTransValue = iTransValue;
if (enumDragMode != enumSetGridControlDragNDropMode.UsingDrop)
{
GridView gv = gridcontrol.MainView as GridView;
gv.MouseDown += GridView_MouseDown;
gv.MouseMove += GridView_MouseMove;
}
gridcontrol.GiveFeedback += GridControl_GiveFeedback;
gridcontrol.DragOver += GridControl_DragOver;
}
void GridView_MouseDown(object sender, MouseEventArgs e)
{
GridView gv = sender as GridView;
downHitInfo = null;
GridHitInfo ghi = gv.CalcHitInfo(e.Location);
if (!ghi.InRow) return;
if (Control.ModifierKeys != Keys.None) return;
if (e.Button == System.Windows.Forms.MouseButtons.Left && ghi.RowHandle > -1) downHitInfo = ghi;
}
void GridView_MouseMove(object sender, MouseEventArgs e)
{
GridView gv = sender as GridView;
if (e.Button == System.Windows.Forms.MouseButtons.Left && downHitInfo != null)
{
Size dragSize = SystemInformation.DragSize;
Rectangle dragRect = new Rectangle(new Point(downHitInfo.HitPoint.X - dragSize.Width / 2,
downHitInfo.HitPoint.Y - dragSize.Height / 2), dragSize);
if (!dragRect.Contains(new Point(e.X, e.Y)))
{
GridViewInfo gvi = gv.GetViewInfo() as GridViewInfo;
GridRowInfo gri = gvi.GetGridRowInfo(downHitInfo.RowHandle);
Rectangle retTempGri = gri.DataBounds;
int intWid = gri.DataBounds.Width;
if (gv.GridControl.Width < intWid)
{
intWid = gv.GridControl.Width - gvi.ViewRects.ColumnPanelLeft;
retTempGri.X += retTempGri.Width - gv.GridControl.Width + gvi.ViewRects.ColumnPanelLeft;
}
Bitmap bmp = new Bitmap(intWid, gri.DataBounds.Height);
Graphics gfx = Graphics.FromImage(bmp);
Rectangle retTemp = gv.GridControl.RectangleToScreen(retTempGri);
gfx.CopyFromScreen(retTemp.Location, new Point(0, 0), retTemp.Size);
gCurPic = new gCursor(bmp, this.iTransValue);
DataRow row = gv.GetDataRow(downHitInfo.RowHandle);
gv.GridControl.DoDragDrop(row, DragDropEffects.All);
downHitInfo = null;
}
}
}
void GridControl_DragOver(object sender, DragEventArgs e)
{
if (!e.Data.GetDataPresent(typeof(DataRow))) return;
GridControl gridcontrol = sender as GridControl;
GridView gv = gridcontrol.MainView as GridView;
Point formP = gridcontrol.PointToClient(new Point(e.X, e.Y));
GridHitInfo ghi = gv.CalcHitInfo(formP);
if (ghi.InRow)
{
gv.FocusedRowHandle = ghi.RowHandle;
}
DataRow row = e.Data.GetData(typeof(DataRow)) as DataRow;
DataRow drSel = gv.GetFocusedDataRow();
bool isSame = false;
if (drSel != null && drSel.Table == row.Table) isSame = true;
switch (ghi.HitTest)
{
case GridHitTest.Row:
case GridHitTest.RowCell:
case GridHitTest.EmptyRow:
case GridHitTest.RowEdge:
e.Effect = isSame ? DragDropEffects.Move : DragDropEffects.Copy;
if (isSame && enumDragMode == enumSetGridControlDragNDropMode.UsingDrag) e.Effect = DragDropEffects.None;
break;
default:
e.Effect = DragDropEffects.None;
break;
}
}
void GridControl_GiveFeedback(object sender, GiveFeedbackEventArgs e)
{
e.UseDefaultCursors = false;
switch (e.Effect)
{
case DragDropEffects.Copy:
gCurPic.EffectCursor = curCopy;
break;
case DragDropEffects.Move:
gCurPic.EffectCursor = curMove;
break;
default:
gCurPic.EffectCursor = curNo;
break;
}
gCurPic.MakeCursor();
Cursor.Current = gCurPic.cCursor;
}
}
class gCursor
{
[StructLayout(LayoutKind.Sequential)]
private struct ICONINFO
{
public bool IsIcon;
public int xHotspot;
public int yHotspot;
public IntPtr MaskBitmap;
public IntPtr ColorBitmap;
};
[DllImport("user32.dll")]
static extern IntPtr CreateIconIndirect([In] ref ICONINFO iconinfo);
[DllImport("user32.dll", EntryPoint = "DestroyIcon", SetLastError = true)]
static extern bool DestroyIcon(IntPtr hIcon);
[DllImport("gdi32.dll")]
static extern bool DeleteObject(IntPtr hObject);
public Bitmap _gImage { get; set; }
public int gITransp { get; set; }
public Cursor cCursor { get; set; }
private Bitmap _gCursorImage;
public Bitmap gCursorImage
{
get { return _gCursorImage; }
set { _gCursorImage = value; }
}
Cursor _EffectCursor = Cursors.Default;
public Cursor EffectCursor
{
get { return _EffectCursor; }
set { _EffectCursor = value; }
}
private Point _gHotSpotPt = new Point(0, 0);
public gCursor(Bitmap bmp, int iTranRate)
{
_gImage = bmp;
if (iTranRate < 255)
{
Bitmap bm = new Bitmap(_gImage.Width, _gImage.Height);
using (ImageAttributes imageAtt = new ImageAttributes())
{
imageAtt.SetColorMatrix(new ColorMatrix() { Matrix33 = (float)iTranRate / (float)255 });
using (Graphics g = Graphics.FromImage(bm))
{
g.DrawImage(_gImage, new Rectangle(0, 0, _gImage.Width, _gImage.Height), 0, 0, _gImage.Width, _gImage.Height, GraphicsUnit.Pixel, imageAtt);
}
}
_gImage = bm;
}
}
internal void MakeCursor()
{
_gHotSpotPt = new Point(_gImage.Width / 2, _gImage.Height / 2);
Bitmap bm = new Bitmap(_gImage.Width + 32, _gImage.Height + 32);
using (Graphics g = Graphics.FromImage(bm))
{
g.DrawImage(_gImage, 0, 0);
_EffectCursor.Draw(g, new Rectangle(_gHotSpotPt.X, _gHotSpotPt.Y, EffectCursor.Size.Width, EffectCursor.Size.Height));
cCursor = CreateCursor(bm);
}
bm.Dispose();
}
IntPtr curPtr;
private Cursor CreateCursor(Bitmap bm)
{
if (_gCursorImage != null) _gCursorImage.Dispose();
if (curPtr != IntPtr.Zero) DestroyIcon(curPtr);
ICONINFO tmp = new ICONINFO();
tmp.xHotspot = _gHotSpotPt.X;
tmp.yHotspot = _gHotSpotPt.Y;
tmp.IsIcon = false;
tmp.MaskBitmap = bm.GetHbitmap();
tmp.ColorBitmap = bm.GetHbitmap();
curPtr = CreateIconIndirect(ref tmp);
_gCursorImage = Icon.FromHandle(curPtr).ToBitmap();
if (tmp.MaskBitmap != IntPtr.Zero) DeleteObject(tmp.MaskBitmap);
if (tmp.ColorBitmap != IntPtr.Zero) DeleteObject(tmp.ColorBitmap);
return new Cursor(curPtr);
}
}
class GridControlDragHelperUsingImageList
{
GridHitInfo downHitInfo = null;
int dropTargetRowHandle = -1;
int DropTargetRowHandle
{
get { return dropTargetRowHandle; }
set
{
dropTargetRowHandle = value;
}
}
enumSetGridControlDragNDropMode enumDragMode = enumSetGridControlDragNDropMode.UsingBoth;
public GridControlDragHelperUsingImageList()
{
}
internal void SetGridControlDrag(GridControl gridcontrol, enumSetGridControlDragNDropMode enumDragMode)
{
this.enumDragMode = enumDragMode;
if (enumDragMode != enumSetGridControlDragNDropMode.UsingDrop)
{
GridView gv = gridcontrol.MainView as GridView;
gv.MouseDown += GridView_MouseDown;
gv.MouseMove += GridView_MouseMove;
}
gridcontrol.DragOver += GridControl_DragOver;
gridcontrol.DragEnter += GridControl_DragEnter;
gridcontrol.DragLeave += GridControl_DragLeave;
}
void GridView_MouseDown(object sender, MouseEventArgs e)
{
GridView gv = sender as GridView;
downHitInfo = null;
GridHitInfo ghi = gv.CalcHitInfo(e.Location);
if (!ghi.InRow) return;
if (Control.ModifierKeys != Keys.None) return;
if (e.Button == System.Windows.Forms.MouseButtons.Left && ghi.RowHandle > -1) downHitInfo = ghi;
}
void GridView_MouseMove(object sender, MouseEventArgs e)
{
GridView gv = sender as GridView;
if (e.Button == System.Windows.Forms.MouseButtons.Left && downHitInfo != null)
{
Size dragSize = SystemInformation.DragSize;
Rectangle dragRect = new Rectangle(new Point(downHitInfo.HitPoint.X - dragSize.Width / 2,
downHitInfo.HitPoint.Y - dragSize.Height / 2), dragSize);
if (!dragRect.Contains(new Point(e.X, e.Y)))
{
GridViewInfo gvi = gv.GetViewInfo() as GridViewInfo;
GridRowInfo gri = gvi.GetGridRowInfo(downHitInfo.RowHandle);
Bitmap bmp = new Bitmap(gri.DataBounds.Width > 256 ? 256 : gri.DataBounds.Width, gri.DataBounds.Height > 256 ? 256 : gri.DataBounds.Height);
Graphics gfx = Graphics.FromImage(bmp);
Rectangle retTemp = gv.GridControl.RectangleToScreen(gri.DataBounds);
gfx.CopyFromScreen(retTemp.Location, new Point(0, 0), retTemp.Size);
ImageList imageListDrag = new ImageList();
imageListDrag.ImageSize = bmp.Size;
imageListDrag.Images.Add(bmp);
// Compute delta between mouse position and node bounds
DataRow row = gv.GetDataRow(downHitInfo.RowHandle);
if (DragHelper.ImageList_BeginDrag(imageListDrag.Handle, 0, 0, 0))
{
// Begin dragging
gv.GridControl.DoDragDrop(row, DragDropEffects.Move);
downHitInfo = null;
// End dragging image
DragHelper.ImageList_EndDrag();
}
}
}
}
void GridControl_DragLeave(object sender, EventArgs e)
{
GridControl gridcontrol = sender as GridControl;
DragHelper.ImageList_DragLeave(gridcontrol.Handle);
}
void GridControl_DragEnter(object sender, DragEventArgs e)
{
GridControl gridcontrol = sender as GridControl;
DragHelper.ImageList_DragEnter(gridcontrol.Handle, e.X - gridcontrol.Left,
e.Y - gridcontrol.Top);
}
void GridControl_DragOver(object sender, DragEventArgs e)
{
GridControl gridcontrol = sender as GridControl;
Point formP = gridcontrol.PointToClient(new Point(e.X, e.Y));
GridView gv = gridcontrol.MainView as GridView;
GridHitInfo ghi = gv.CalcHitInfo(formP);
DragHelper.ImageList_DragMove(formP.X - gridcontrol.Left, formP.Y - gridcontrol.Top);
if (e.Data.GetDataPresent(typeof(DataRow)))
e.Effect = DragDropEffects.Move;
else
e.Effect = DragDropEffects.None;
}
}
class DragHelper
{
internal static Control controls = null;
[DllImport("comctl32.dll")]
static extern bool InitCommonControls();
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
internal static extern bool ImageList_BeginDrag(IntPtr himlTrack, int
iTrack, int dxHotspot, int dyHotspot);
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
internal static extern bool ImageList_DragMove(int x, int y);
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
internal static extern void ImageList_EndDrag();
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
internal static extern bool ImageList_DragEnter(IntPtr hwndLock, int x, int y);
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
internal static extern bool ImageList_DragLeave(IntPtr hwndLock);
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
internal static extern bool ImageList_DragShowNolock(bool fShow);
static DragHelper()
{
InitCommonControls();
}
}
#endregion
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