protected override void OnDrawItem(OwnerDrawnListBox <CallRecord> .DrawItemEventArgs e)
{
int itemTop = e.Bounds.Top;
int itemLeft = e.Bounds.Left + DRAW_OFFSET;
int textLeft = itemLeft + DRAW_OFFSET;
int textRight = e.Bounds.Right - DRAW_OFFSET;
CallRecord data = e.Item;
string dateString = data.DueDate.ToShortDateString();
Color dateColor = (data.IsActive) ? Color.Red : e.ForeColor;
if (data.IsActive)
{
if (data.DueDate.Date < DateTime.Now.Date)
{
dateString = "Overdue";
dateColor = Color.Red;
}
else if (data.DueDate.Date == DateTime.Now.Date)
{
dateString = "Today";
dateColor = Color.Red;
}
else if (data.DueDate.Date == DateTime.Now.AddDays(1).Date)
{
dateString = "Tomorrow";
dateColor = Color.Red;
}
else
{
dateColor = e.ForeColor;
}
}
else
{
dateString = "Completed";
}
dateString = string.Format("{0}", dateString, data.DueDate.ToShortTimeString());
SizeF dateSize = e.Graphics.MeasureString(dateString, DateFont);
SizeF titleSize = e.Graphics.MeasureString(data.Name, TitleFont);
SizeF notesSize = e.Graphics.MeasureString(data.Description, NotesFont);
StringFormat textFormat = new StringFormat();
textFormat.LineAlignment = StringAlignment.Center;
using (SolidBrush brush = new SolidBrush(e.ForeColor))
{
using (SolidBrush dateBrush = new SolidBrush(dateColor))
{
ImageAttributes attrs = new ImageAttributes();
Image img = null;
if (this.TileSize != TileSizeMode.Small)
{
bool dispose = false;
img = e.Item.GetImage(new Size(PICTURE_WIDTH, e.Bounds.Height - (DRAW_OFFSET << 1)));
if (null == img)
{
int height = e.Bounds.Height - (DRAW_OFFSET << 1);
if (height < EmptyContact.Height)
{
img = CallRecord.GetImage(EmptyContact, new Size(PICTURE_WIDTH, height));
dispose = true;
}
else
{
img = EmptyContact;
}
attrs.SetColorKey(EmptyContact.GetPixel(0, 0), EmptyContact.GetPixel(0, 0));
}
e.Graphics.DrawImage
(
img,
new Rectangle(e.Bounds.Left + DRAW_OFFSET + ((PICTURE_WIDTH - img.Width) >> 1), e.Bounds.Top + DRAW_OFFSET /* + ((e.Bounds.Height - img.Height - DRAW_OFFSET - DRAW_OFFSET) >> 1)*/, img.Width, img.Height),
0, 0, img.Width, img.Height, GraphicsUnit.Pixel, attrs
);
if (dispose)
{
img.Dispose();
}
textLeft += PICTURE_WIDTH;
}
Rectangle textRect = new Rectangle(textLeft, itemTop + DRAW_OFFSET, textRight - textLeft, (int)titleSize.Height);
Bitmap notImage = (data.WasNotified) ? NotifyOff : NotifyOn;
Bitmap priImage = (data.Priority == CallPriority.High) ? HighPriority : LowPriority;
attrs.SetColorKey(priImage.GetPixel(0, 0), priImage.GetPixel(0, 0));
int priImgWidth = Math.Min(textRect.Height + DRAW_OFFSET * 2, priImage.Height);
e.Graphics.DrawImage
(
priImage,
new Rectangle(textRect.Right - DRAW_OFFSET - priImgWidth, textRect.Top + ((textRect.Height - priImgWidth) >> 1), priImgWidth, priImgWidth), 0, 0, priImage.Width, priImage.Height, GraphicsUnit.Pixel, attrs
);
attrs.SetColorKey(notImage.GetPixel(0, 0), notImage.GetPixel(0, 0));
e.Graphics.DrawImage
(
notImage,
new Rectangle(textRect.Right - (DRAW_OFFSET << 1) - (priImgWidth << 1), textRect.Top + ((textRect.Height - priImgWidth) >> 1), priImgWidth, priImgWidth), 0, 0, notImage.Width, notImage.Height, GraphicsUnit.Pixel, attrs
);
Rectangle dateRect = new Rectangle(textRect.Left, textRect.Top, textRect.Width, textRect.Height);
if (this.TileSize == TileSizeMode.Small)
{
int dateWidth = 0;
foreach (string str in new string[] { "Tomorrow ", "Completed ", "Today ", "Overdue " })
{
dateWidth = Math.Max(dateWidth, (int)Math.Ceiling(e.Graphics.MeasureString(str, DateFont).Width));
}
dateRect = new Rectangle(textRect.Left, textRect.Top, dateWidth, textRect.Height);
}
// Draw the item
e.Graphics.DrawString(dateString, DateFont, dateBrush, dateRect, textFormat);
if (this.TileSize == TileSizeMode.Small)
{
textRect.Location = new Point(dateRect.Right + DRAW_OFFSET, textRect.Top);
}
else
{
textRect.Offset(0, (int)dateSize.Height);
textRect.Offset(0, DRAW_OFFSET);
e.Graphics.DrawLine(new Pen(Color.Black, 1), textLeft, textRect.Top, textRect.Right, textRect.Top);
textRect.Offset(0, DRAW_OFFSET);
}
e.Graphics.DrawString(data.Name, TitleFont, brush, textRect, textFormat);
textRect.Offset(0, (int)titleSize.Height);
if (this.TileSize == TileSizeMode.Large)
{
textRect.Height = (e.Bounds.Bottom - textRect.Top);
textFormat.LineAlignment = StringAlignment.Near;
e.Graphics.DrawString(data.Description, NotesFont, brush, textRect, textFormat);
}
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
// The base class contains a bitmap, offScreen, for constructing
// the control and is rendered when all items are populated.
// This technique prevents flicker.
_screenIndices.Clear();
using (Graphics gOffScreen = Graphics.FromImage(this.OffScreen))
{
using (Brush backBrush = new SolidBrush(this.BackColor))
{
gOffScreen.FillRectangle(backBrush, this.ClientRectangle);
}
int itemTop = 0;
int itemWidth = this.Width;
if (this.VScrollBar.Visible)
{
itemWidth -= this.VScrollBar.Width;
}
if (this.FilteredItems.Count == 0)
{
using (Brush foreBrush = new SolidBrush(this.ForeColor))
{
StringFormat format = new StringFormat();
format.LineAlignment = StringAlignment.Center;
format.Alignment = StringAlignment.Center;
gOffScreen.DrawString(this.EmptySetText, this.Font, foreBrush, this.ClientRectangle, format);
}
}
else
{
string groupText = string.Empty;
if (this.VScrollBar.Value > 0 && this.UseGrouping)
{
groupText = this.Grouping.GetGroupText(this.FilteredItems[this.VScrollBar.Value - 1]);
}
// Draw the fonts in the list.
for (int n = this.VScrollBar.Value; n < this.VScrollBar.Value + this.PaintCount + 10 && n < this.FilteredItems.Count; n++)
{
string currGroupText = string.Empty;
if (this.UseGrouping)
{
currGroupText = this.Grouping.GetGroupText(this.FilteredItems[n]);
}
if (currGroupText != groupText)
{
groupText = currGroupText;
using (SolidBrush brush = new SolidBrush(this.ForeColor))
{
Rectangle rectGroup = new Rectangle(5, itemTop, itemWidth - 5, _groupHeight);
StringFormat fmat = new StringFormat();
fmat.LineAlignment = StringAlignment.Center;
gOffScreen.DrawString(groupText, _groupingFont, brush, rectGroup, fmat);
itemTop += _groupHeight;
_screenIndices.Add(rectGroup, -1);
}
gOffScreen.DrawImage(GroupingBar, new Rectangle(5, itemTop - 4, itemWidth - 5, GroupingBar.Height), new Rectangle(0, 0, GroupingBar.Width, GroupingBar.Height), GraphicsUnit.Pixel);
}
Color backColor, fontColor;
// Draw the selected item to appear highlighted
if (n == this.SelectedIndex)
{
Color highlightColor = Color.FromArgb(0xaa, 0xcd, 0xff);
using (SolidBrush highlightBrush = new SolidBrush(highlightColor))
{
gOffScreen.FillRectangle(highlightBrush,//SystemColors.Highlight),
1,
itemTop + 1,
// If the scroll bar is visible, subtract the scrollbar width
// otherwise subtract 2 for the width of the rectangle
this.ClientSize.Width - (this.VScrollBar.Visible ? this.VScrollBar.Width : 2),
this.ItemHeight);
backColor = highlightColor;
fontColor = CalcTextColor(highlightColor);
}
}
else
{
backColor = this.BackColor;
fontColor = this.ForeColor;
}
Rectangle bounds = new Rectangle(0, itemTop, itemWidth, this.ItemHeight);
DrawItemEventArgs ea = new OwnerDrawnListBox <T> .DrawItemEventArgs(n, this.FilteredItems[n], bounds, gOffScreen, backColor, fontColor);
_screenIndices.Add(bounds, n);
OnDrawItem(ea);
itemTop += this.ItemHeight;
if (itemTop > this.Bottom)
{
break;
}
}
}
// Draw the list box
e.Graphics.DrawImage(this.OffScreen, 0, 0);
}
}
