/// <summary>
/// Draws the column header.
/// </summary>
/// <param name="cache">The cache.</param>
/// <param name="column">The column.</param>
public void DrawColumnHeader(GraphicsCache cache, GridColumn column)
{
var viewInfo = _gridView.GetViewInfo() as BandedGridViewInfo;
if (viewInfo != null)
{
GridColumnInfoArgs colInfo = viewInfo.ColumnsInfo[column];
var bandedGridColumn = column as BandedGridColumn;
if (bandedGridColumn != null)
{
GridBandInfoArgs bandInfo = getBandInfo(viewInfo.BandsInfo, bandedGridColumn.OwnerBand);
if (colInfo == null || bandInfo == null)
{
return;
}
colInfo.Cache = cache;
int top = bandInfo.Bounds.Top;
Rectangle rect = colInfo.Bounds;
int delta = rect.Top - top;
rect.Y = top;
rect.Height += delta;
colInfo.Bounds = rect;
}
colInfo.Appearance.TextOptions.VAlignment = DevExpress.Utils.VertAlignment.Center;
ElementsPainter.Column.CalcObjectBounds(colInfo);
ElementsPainter.Column.DrawObject(colInfo);
}
}
private int GetColumnBestHeight(GridBand column, int width, DevExpress.Utils.AppearanceObject app)
{
GridBandInfoArgs ex = null;
BandedGridViewInfo viewInfo = GridView.GetViewInfo() as BandedGridViewInfo;
viewInfo.GInfo.AddGraphics(null);
ex = new GridBandInfoArgs(null, viewInfo.GInfo.Cache);
try
{
ex.InnerElements.Add(new DrawElementInfo(new GlyphElementPainter(),
new GlyphElementInfoArgs(viewInfo.View.Images, 0, null),
StringAlignment.Near));
ex.SetAppearance(app);
ex.Caption = column.Caption;
ex.CaptionRect = new Rectangle(0, 0, (int)(width - 10 * DpiXRel), 1000);
}
finally
{
viewInfo.GInfo.ReleaseGraphics();
}
GraphicsInfo grInfo = new GraphicsInfo();
grInfo.AddGraphics(null);
ex.Cache = grInfo.Cache;
int Height = CalcCaptionTextSize(grInfo.Cache, ex as HeaderObjectInfoArgs, column.Caption);
return(Height);
}
private void OnMouseUp(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left || !(sender is MyBandedGridView))
{
return;
}
MyBandedGridView view = (MyBandedGridView)sender;
BandedGridHitInfo hitInfo = view.CalcHitInfo(e.X, e.Y);
if (hitInfo.HitTest == BandedGridHitTest.Band)
{
GridBandInfoArgs bandInfo = view.ViewInfo.BandsInfo[hitInfo.Band];
if (CalcButtonBounds(bandInfo.Bounds).Contains(e.X, e.Y))
{
EditorButtonObjectInfoArgs bandButtonInfo = FindButtonInnerElement(bandInfo);
if (bandButtonInfo != null)
{
for (int i = 0; i < hitInfo.Band.Columns.Count; i++)
{
if (!((MyBandedGridColumn)hitInfo.Band.Columns[i]).DefaultBandColumn)
{
hitInfo.Band.Columns[i].Visible = !hitInfo.Band.Columns[i].Visible;
}
}
}
((DXMouseEventArgs)e).Handled = true;
}
}
}
private void OnMouseDown(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left || !(sender is MyBandedGridView))
{
return;
}
MyBandedGridView view = (MyBandedGridView)sender;
BandedGridHitInfo hitInfo = view.CalcHitInfo(e.X, e.Y);
if (hitInfo.HitTest == BandedGridHitTest.Band)
{
GridBandInfoArgs bandInfo = view.ViewInfo.BandsInfo[hitInfo.Band];
if (CalcButtonBounds(bandInfo.Bounds).Contains(e.X, e.Y))
{
EditorButtonObjectInfoArgs bandButtonInfo = FindButtonInnerElement(bandInfo);
if (bandButtonInfo != null)
{
bandButtonInfo.State = ObjectState.Pressed;
view.InvalidateBandHeader(hitInfo.Band);
}
((DXMouseEventArgs)e).Handled = true;
}
else
{
view.InvalidateBandHeader(hitInfo.Band);
}
}
}
private EditorButtonObjectInfoArgs FindButtonInnerElement(GridBandInfoArgs bandInfo)
{
EditorButtonObjectInfoArgs retValue = null;
for (int i = 0; i < bandInfo.InnerElements.Count; i++)
{
if (bandInfo.InnerElements[i].ElementInfo is EditorButtonObjectInfoArgs)
{
retValue = (EditorButtonObjectInfoArgs)bandInfo.InnerElements[i].ElementInfo;
break;
}
}
return(retValue);
}
private int GetColumnBestHeight(GridBand column, int width /*, GridBand parent_column*/)
{
/*GridBandInfoArgs ex = null;
*
* if (parent_column == null)
* ex = viewInfo.BandsInfo[column];
* else
* ex = viewInfo.BandsInfo[parent_column].Children[column];
*
* GraphicsInfo grInfo = new GraphicsInfo();
* grInfo.AddGraphics(null);
* ex.Cache = grInfo.Cache;
* bool canDrawMore = true;
* Size captionSize = CalcCaptionTextSize(grInfo.Cache, ex as HeaderObjectInfoArgs, column.Caption);
* Size res = ex.InnerElements.CalcMinSize(grInfo.Graphics, ref canDrawMore);
* res.Height = Math.Max(res.Height, captionSize.Height);
* res.Width += captionSize.Width;
* //res = viewInfo.Painter.ElementsPainter.Column.CalcBoundsByClientRectangle(ex, new Rectangle(Point.Empty, res)).Size;
* grInfo.ReleaseGraphics();
* return res.Height;*/
GridBandInfoArgs ex = null;
BandedGridViewInfo viewInfo = GridView.GetViewInfo() as BandedGridViewInfo;
viewInfo.GInfo.AddGraphics(null);
ex = new GridBandInfoArgs(null, viewInfo.GInfo.Cache);
try
{
ex.InnerElements.Add(new DrawElementInfo(new GlyphElementPainter(),
new GlyphElementInfoArgs(viewInfo.View.Images, 0, null),
StringAlignment.Near));
ex.SetAppearance(GridView.Appearance.BandPanel);
ex.Caption = column.Caption;
ex.CaptionRect = new Rectangle(0, 0, width, 1000);
}
finally
{
viewInfo.GInfo.ReleaseGraphics();
}
GraphicsInfo grInfo = new GraphicsInfo();
grInfo.AddGraphics(null);
ex.Cache = grInfo.Cache;
Size captionSize = CalcCaptionTextSize(grInfo.Cache, ex as HeaderObjectInfoArgs, column.Caption);
return(captionSize.Height);
}
private void OnMouseMove(object sender, MouseEventArgs e)
{
if (!(sender is MyBandedGridView))
{
return;
}
MyBandedGridView view = (MyBandedGridView)sender;
BandedGridHitInfo hitInfo = view.CalcHitInfo(e.X, e.Y);
if (hitInfo.HitTest == BandedGridHitTest.Band)
{
GridBandInfoArgs bandInfo = view.ViewInfo.BandsInfo[hitInfo.Band];
EditorButtonObjectInfoArgs bandButtonInfo = FindButtonInnerElement(bandInfo);
if (bandButtonInfo != null)
{
if (CalcButtonBounds(bandInfo.Bounds).Contains(e.X, e.Y))
{
bandButtonInfo.State = ObjectState.Hot;
view.InvalidateBandHeader(hitInfo.Band);
((DXMouseEventArgs)e).Handled = true;
}
else
{
bandButtonInfo.State = ObjectState.Normal;
view.InvalidateBandHeader(hitInfo.Band);
}
}
}
else
{
for (int i = 0; i < view.ViewInfo.BandsInfo.Count; i++)
{
EditorButtonObjectInfoArgs bandButtonInfo = FindButtonInnerElement(view.ViewInfo.BandsInfo[i]);
if (bandButtonInfo != null)
{
bandButtonInfo.State = ObjectState.Normal;
}
}
}
}
/// <summary>
/// Gets the band information.
/// </summary>
/// <param name="bands">The bands.</param>
/// <param name="band">The band.</param>
/// <returns></returns>
GridBandInfoArgs getBandInfo(GridBandInfoCollection bands, GridBand band)
{
GridBandInfoArgs info = bands[band];
if (info != null)
{
return(info);
}
foreach (GridBandInfoArgs bandInfo in bands)
{
if (bandInfo.Children != null)
{
info = getBandInfo(bandInfo.Children, band);
if (info != null)
{
return(info);
}
}
}
return(null);
}
