private void DrawNothingToSee(CustomDrawEventArgs e)
{
if (ActiveGridControl.DataSource == null)
{
e.Graphics.DrawString(NoData, PaintFont, Brushes.Gray, NothingToSeeBounds(e.Bounds).Location);
}
}
/// <summary>
/// 在查询得到0条记录时显示自定义的字符提示/显示
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MyGridView_CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e)
{
if (!this.EnableShowEmptyForeground)
{
return;
}
string showText = string.IsNullOrWhiteSpace(this.EmptyForegroundText) ? "没有查询到你所想要的数据!" : this.EmptyForegroundText;
//方法一（此方法为GridView设置了数据源绑定时，可用）
try
{
var bindingSource = this.DataSource as BindingSource;
if (bindingSource.Count == 0)
{
var str = showText;
var f = new Font("宋体", 10, FontStyle.Bold);
var r = new Rectangle(e.Bounds.Top + 5, e.Bounds.Left + 5, e.Bounds.Right - 5, e.Bounds.Height - 5);
e.Graphics.DrawString(str, f, Brushes.Black, r);
}
}
catch
{
//方法二（此方法为GridView没有设置数据源绑定时使用，一般使用此种方法）
if (this.RowCount == 0)
{
var str = showText;
var f = new Font("宋体", 10, FontStyle.Bold);
var r = new Rectangle(e.Bounds.Left + 5, e.Bounds.Top + 5, e.Bounds.Width - 5, e.Bounds.Height - 5);
e.Graphics.DrawString(str, f, Brushes.Black, r);
}
}
}
public void AddMessageInEmptyArea(CustomDrawEventArgs e, string message)
{
var font = new Font(AppearanceObject.DefaultFont, FontStyle.Bold);
var r = new Rectangle(e.Bounds.Left + 5, e.Bounds.Top + 5, e.Bounds.Width - 5, e.Bounds.Height - 5);
e.Graphics.DrawString(message, font, Brushes.Black, r);
}
protected override void DrawRadioGroupItems(ControlGraphicsInfoArgs info)
{
RadioGroupViewInfo vi = info.ViewInfo as RadioGroupViewInfo;
foreach (RadioGroupItemViewInfo itemInfo in vi.ItemsInfo)
{
itemInfo.Cache = info.Cache;
try
{
CustomDrawEventArgs e = new CustomDrawEventArgs(info.Graphics, itemInfo, vi.RadioPainter, false);
RepositoryItemCustomRadioGroup item = vi.Item as RepositoryItemCustomRadioGroup;
item.RaiseCustomDrawItem(e);
if (!e.Handled)
{
vi.RadioPainter.DrawObject(itemInfo);
}
if (itemInfo.Focused)
{
ControlPaint.DrawFocusRectangle(info.Graphics, vi.GetFocusRect(itemInfo));
}
}
finally
{
itemInfo.Cache = null;
}
}
}
protected virtual void OnDrawBody(PaintEventArgs args)
{
var drawArg = new CustomDrawEventArgs(args.ClipRectangle, args.Graphics, false);
if (Draw != null)
{
Draw(this, drawArg);
}
if (drawArg.Handled)
{
return;
}
//split the space into three equal parts
var rect = args.ClipRectangle;
var height = rect.Height / 4;
var top = new Rectangle(0, 0, rect.Width, height);
var middle = new Rectangle(0, top.Bottom + 1, rect.Width, height * 2);
var bottom = new Rectangle(0, middle.Bottom + 1, rect.Width, height);
OnDrawDayName(new PaintEventArgs(args.Graphics, top));
OnDrawDayOfMonth(new PaintEventArgs(args.Graphics, middle));
OnDrawMonthAndYear(new PaintEventArgs(args.Graphics, bottom));
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected void RaiseCustomDrawEmptyForeground(CustomDrawEventArgs e)
{
if (!e.Handled)
{
//Image img = (System.Drawing.Image)Properties.Resources.ResourceManager.GetObject("Image1.bmp");
Image img = Image.FromFile(@"Resource\Image1.bmp");
RectangleF actualRectF;
int actualHeight = e.Bounds.Height - 26;
if (e.Bounds.Width < img.Width || actualHeight < img.Height)
{
// 当前区域小于图片大小，进行缩放。
float factor1 = e.Bounds.Width * 1f / img.Width;
float factor2 = actualHeight * 1f / img.Height;
float factor = Math.Min(factor1, factor2);
float x = (e.Bounds.Width - img.Width * factor) / 2;
float y = (e.Bounds.Height - img.Height * factor) + 26 / 2;
actualRectF = new RectangleF(x, y, img.Width * factor, img.Height * factor);
}
else
{
actualRectF = new RectangleF((e.Bounds.Width - img.Width) / 2f, (actualHeight - img.Height) / 2f + 26, img.Width, img.Height);
}
e.Graphics.DrawImage(img, actualRectF);
e.Handled = true;
}
// base.RaiseCustomDrawEmptyForeground(e);
}
void DrawBackground(TreeListNode node, CustomDrawEventArgs e)
{
if (hotNode != node && !node.Focused)
{
return;
}
SetUpButtonInfoArgs(e);
customButtonPainter.DrawObject(args);
}
private void DrawNothingToSee(CustomDrawEventArgs e)
{
if (this.ActiveGridControl.DataSource == null)
{
Graphics graphics = e.Graphics;
Font paintFont = this.PaintFont;
Brush gray = Brushes.Gray;
Rectangle seeBounds = this.NothingToSeeBounds(e.Bounds);
graphics.DrawString("Select a feature layer to examine attribute data.", paintFont, gray, seeBounds.Location);
}
}
private void gridView1_CustomDrawEmptyForground(object sender, CustomDrawEventArgs e)
{
ColumnView columnView = sender as ColumnView;
ObservableCollection <SFITrackNum> bindingSource = trackNumInfoCollectionView.DataSource as ObservableCollection <SFITrackNum>;
if (bindingSource?.Count == 0)
{
string str = "请调整查询条件获取你所需要的数据";
Font f = new Font("宋体", 10, FontStyle.Bold);
Rectangle r = new Rectangle(e.Bounds.Top + 200, e.Bounds.Left + 60, e.Bounds.Right - 5, e.Bounds.Height - 5);
e.Graphics.DrawString(str, f, Brushes.Red, r);
}
}
//空数据提醒
private void gv_CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e)
{
GridView gv = sender as GridView;
DataView bindingSource = gv.DataSource as DataView;
if (bindingSource != null && bindingSource.Count == 0)
{
Font f = new Font("宋体", 10, FontStyle.Bold);
Rectangle r = new Rectangle(gv.GridControl.Width / 2 - 100, gv.GridControl.Height / 2, e.Bounds.Right - 5, e.Bounds.Height - 5);
e.Graphics.DrawString("数据为空!", f, Brushes.Red, r);
}
}
private void gridView1_CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e)
{
ColumnView columnView = sender as ColumnView;
BindingSource bindingSource = this.gridView1.DataSource as BindingSource;
if (bindingSource.Count == 0)
{
string str = "没有查询到数据!";
Font f = new Font("宋体", 10, FontStyle.Bold);
Rectangle r = new Rectangle(e.Bounds.Top + 5, e.Bounds.Left + 5, e.Bounds.Right - 5, e.Bounds.Height - 5);
e.Graphics.DrawString(str, f, Brushes.Black, r);
}
}
private void gridViewExamList_CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e)
{
var view = (GridView)sender;
if (view != null && view.RowCount != 0)
{
return;
}
StringFormat drawFormat = new StringFormat();
drawFormat.Alignment = drawFormat.LineAlignment = StringAlignment.Center;
e.Graphics.DrawString("Nothing to see here...", e.Appearance.Font, SystemBrushes.ControlDark, new RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height), drawFormat);
}
private void DrawQuickCustomisationIconCore(CustomDrawEventArgs e,
QuickCustomizationIcon icon, Rectangle bounds)
{
if (icon == null)
{
return;
}
ControlPaint.DrawBorder3D(e.Graphics, e.Bounds, Border3DStyle.RaisedInner);
if (icon.Image == null)
{
icon.Image = Resources.Customization;
}
e.Graphics.PageUnit = GraphicsUnit.Pixel;
e.Graphics.DrawImageUnscaled(icon.Image, treeList.ViewInfo.QuickCustomisationBounds);
}
private void DrawQuickCustomisationIconCore(CustomDrawEventArgs e,
QuickCustomizationIcon icon, Rectangle bounds)
{
if (icon == null)
{
return;
}
ControlPaint.DrawBorder3D(e.Graphics, e.Bounds, Border3DStyle.RaisedInner);
if (icon.Image == null)
{
icon.Image = Resources.Customization;
}
e.Graphics.PageUnit = GraphicsUnit.Pixel;
e.Graphics.DrawImageUnscaled(icon.Image, treeList.ViewInfo.QuickCustomisationBounds);
}
protected virtual void OnDrawDayOfMonth(PaintEventArgs args)
{
var drawArg = new CustomDrawEventArgs(args.ClipRectangle, args.Graphics, false);
if (DrawBody != null)
{
DrawBody(this, drawArg);
}
if (drawArg.Handled)
{
return;
}
Painter.DrawString(args.Graphics, args.ClipRectangle, GetBodyValue(), OneLineNoTrimming, DayFont, Enabled);
}
protected virtual void OnDrawMonthAndYear(PaintEventArgs args)
{
var drawArg = new CustomDrawEventArgs(args.ClipRectangle, args.Graphics, false);
if (DrawFooter != null)
{
DrawFooter(this, drawArg);
}
if (drawArg.Handled)
{
return;
}
Painter.DrawString(args.Graphics, args.ClipRectangle, GetFooterValue(), OneLineNoTrimming, FooterFont, Enabled);
}
private void faDayView1_Draw(object sender, CustomDrawEventArgs e)
{
var dayNumber = faDayView1.DefaultCalendar.GetDayOfYear(faDayView1.ViewDateTime);
if (dayNumber == 1)
{
using (var fmt = new StringFormat())
{
fmt.Alignment = StringAlignment.Center;
fmt.LineAlignment = StringAlignment.Center;
e.Graphics.FillRectangle(Brushes.Red, e.Rectangle);
e.Graphics.DrawString("Happy New Year", faDayView1.DayFont, Brushes.Black, e.Rectangle, fmt);
}
e.Handled = true;
}
}
private void gridView1_CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e)
{
string s = string.Empty;
DevExpress.XtraGrid.Views.Base.ColumnView view = sender as DevExpress.XtraGrid.Views.Base.ColumnView;
BindingSource dataSource = view.DataSource as BindingSource;
if (dataSource == null)
{
s = "没有数据 QAQ";
}
else if (dataSource.Count == 0)
{
s = "没有找到符合条件的数据 QAQ";
}
Font font = new Font("微软雅黑", 10, FontStyle.Bold);
Rectangle r = new Rectangle(e.Bounds.Left + 5, e.Bounds.Top + 5, e.Bounds.Width - 5, e.Bounds.Height - 5);
e.Graphics.DrawString(s, font, Brushes.Black, r);
}
protected override void RaiseCustomDrawEmptyForeground(CustomDrawEventArgs e)
{
base.RaiseCustomDrawEmptyForeground(e);
// https://www.devexpress.com/Support/Center/Question/Details/A557
if (!string.IsNullOrEmpty(EmptyText))
{
if (RowCount != 0)
{
return;
}
var drawFormat = new StringFormat();
drawFormat.Alignment = drawFormat.LineAlignment = StringAlignment.Center;
e.Graphics.DrawString(EmptyText, e.Appearance.Font, SystemBrushes.ControlDark,
new RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height), drawFormat);
}
}
private void CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e) {
string noIndexesFoundText = "No indexes found";
string trySearchingAgainText = "Try searching again";
int offset = 15;
e.DefaultDraw();
e.Appearance.Options.UseFont = true;
e.Appearance.Font = new Font("Tahoma", 12);
Size size = e.Appearance.CalcTextSize(e.Cache, noIndexesFoundText, e.Bounds.Width).ToSize();
int x = (e.Bounds.Width - size.Width) / 2;
int y = e.Bounds.Y + offset;
Rectangle noIndexesFoundBounds = new Rectangle(new Point(x, y), size);
e.Appearance.DrawString(e.Cache, noIndexesFoundText, noIndexesFoundBounds);
size = e.Appearance.CalcTextSize(e.Cache, trySearchingAgainText, e.Bounds.Width).ToSize();
x = noIndexesFoundBounds.X - (size.Width - noIndexesFoundBounds.Width) / 2;
y = noIndexesFoundBounds.Bottom + offset;
size.Width += offset;
Rectangle trySearchingAgainBounds = new Rectangle(new Point(x, y), size);
e.Appearance.DrawString(e.Cache, trySearchingAgainText, trySearchingAgainBounds);
}
void DrawBackGround(TreeListNode node, CustomDrawEventArgs e)
{
if (hotNode != node && !node.Focused)
{
return;
}
SimpleButton backButton = new SimpleButton();
Tree.FindForm().Controls.Add(backButton);
RowInfo ri = Tree.ViewInfo.RowsInfo[node];
backButton.Bounds = ri.Bounds;
Bitmap bm = new Bitmap(backButton.Width, backButton.Height);
backButton.DrawToBitmap(bm, new Rectangle(0, 0, bm.Width, bm.Height));
Rectangle rec = Rectangle.Intersect(ri.Bounds, e.Bounds);
rec.Offset(-ri.Bounds.X, -ri.Bounds.Y);
e.Graphics.DrawImage(bm, e.Bounds, rec, GraphicsUnit.Pixel);
Tree.FindForm().Controls.Remove(backButton);
}
private void addMessageInEmptyArea(CustomDrawEventArgs e)
{
gridView.AddMessageInEmptyArea(e, PKSimConstants.Information.NoParameterAvailableForScaling);
}
void DrawBackGround(TreeListNode node, CustomDrawEventArgs e)
{
TreeListNode hotNode = null;
if (hotNode != node && !node.Focused) return;
SimpleButton button = new SimpleButton();
this.Controls.Add(button);
RowInfo ri = treeList1.ViewInfo.RowsInfo[node];
button.Bounds = ri.Bounds;
Bitmap bm = new Bitmap(button.Width, button.Height);
button.DrawToBitmap(bm, new Rectangle(0, 0, bm.Width, bm.Height));
Rectangle rec = Rectangle.Intersect(ri.Bounds, e.Bounds);
rec.Offset(-ri.Bounds.X, -ri.Bounds.Y);
e.Graphics.DrawImage(bm, e.Bounds, rec, GraphicsUnit.Pixel);
//e.Handled = true;
}
private void addMessageInEmptyArea(CustomDrawEventArgs e)
{
gridView.AddMessageInEmptyArea(e, Captions.ParameterIdentification.MultipleRunsAreBeingCreated);
}
void DrawTrySearchingAgain(CustomDrawEventArgs e)
{
e.Cache.DrawString(TrySearchingAgainText, GetLinkFont(), Brushes.Blue, TrySearchingAgainBounds(e.Bounds), e.Appearance.GetStringFormat());
}
void DrawNoMatchesFound(CustomDrawEventArgs e)
{
e.Cache.DrawString(NoMatchesFoundText, PaintFont, Brushes.Gray, NoMatchesFoundBounds(e.Bounds), e.Appearance.GetStringFormat());
}
private void OnGridViewDrawEmptyForeground(object sender, CustomDrawEventArgs args)
{
Utils.DrawRecordNotFoundToForeground(sender, args);
}
private void ActiveView_CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e)
{
DrawNothingToSee(e);
}
private void addMessageInEmptyArea(CustomDrawEventArgs e)
{
gridView.AddMessageInEmptyArea(e, _presenter.DragAndDropMessage);
}
void ActiveView_CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e)
{
DrawNoMatchesFound(e);
DrawTrySearchingAgain(e);
}
private void addMessageInEmptyArea(CustomDrawEventArgs e)
{
gridView.AddMessageInEmptyArea(e, _presenter.EmptySelectionMessage);
}
private void SetUpButtonInfoArgs(CustomDrawEventArgs e)
{
args.Cache = e.Cache;
args.Bounds = e.Bounds;
args.State = DevExpress.Utils.Drawing.ObjectState.Hot;
}
