/// <summary>
/// Draw the row.
/// </summary>
private void DrawSubItem(object sender, DrawListViewSubItemEventArgs args)
{
InboxConversation message = args.Item.Tag as InboxConversation;
if (message != null)
{
DrawRectElements elements = ComputeDrawRectElements(args.Graphics, message, args.Bounds);
Color textColor = UI.Forums.HeaderFooterColour;
if (args.Item.Selected)
{
args.DrawFocusRectangle(elements.BoundaryRect);
textColor = UI.Forums.SelectionTextColour;
}
// Draw the selection around the control.
using (Pen edgePen = new Pen(args.Item.Selected ? UI.Forums.SelectionColour : BackColor))
{
Color fillColour = args.Item.Selected ? UI.Forums.SelectionColour : UI.Forums.RootColour;
using (Brush backBrush = new SolidBrush(fillColour))
{
args.Graphics.FillRoundedRectangle(edgePen, backBrush, elements.BoundaryRect);
}
}
using (Brush textBrush = new SolidBrush(textColor))
{
// Draw read image
Image readImage = ReadImageForMessage(message);
args.Graphics.DrawImage(readImage, elements.ReadRect);
// Draw author name
args.Graphics.DrawString(message.Author, _font, textBrush, elements.AuthorRect);
// Draw separator
const string separatorChar = "•";
args.Graphics.DrawString(separatorChar, _font, textBrush, elements.Separator1Rect);
// Draw date
string dateString = (_showFullDate)
? message.Date.ToString("d MMM yyyy") + " " + message.Date.ToShortTimeString()
: message.Date.FriendlyString(true);
args.Graphics.DrawString(dateString, _font, textBrush, elements.DateRect);
// Draw ID field
string idString = (message.IsDraft)
? "Draft"
: message.RemoteID.ToString(CultureInfo.InvariantCulture);
args.Graphics.DrawString(idString, _font, textBrush, elements.IDRect);
// Another separator
args.Graphics.DrawString(separatorChar, _font, textBrush, elements.Separator2Rect);
// Draw subject line
string subjectLine = message.Subject;
args.Graphics.DrawString(subjectLine, _font, textBrush, elements.SubjectRect, new StringFormat(StringFormatFlags.NoWrap));
}
}
}
/// <summary>
/// Handle click on read icons on an item to change the read state of
/// the conversation.
/// </summary>
private void OnMouseDown(object sender, MouseEventArgs mouseEventArgs)
{
ListViewItem item = inboxConversations.GetItemAt(mouseEventArgs.Location.X, mouseEventArgs.Location.Y);
if (item != null)
{
if (item.Index >= 0 && item.Index < _conversations.Count)
{
InboxConversation message = _conversations[item.Index];
DrawRectElements elements = ComputeDrawRectElements(inboxConversations.CreateGraphics(), message, item.Bounds);
if (elements.ReadRect.Contains(mouseEventArgs.Location))
{
Action(ActionID.Read, message);
}
}
}
}
/// <summary>
/// Compute the display rectangles for the various field elements of the given message
/// </summary>
private DrawRectElements ComputeDrawRectElements(Graphics graphics, InboxConversation message, Rectangle bounds)
{
DrawRectElements drawRectElements = new DrawRectElements();
Rectangle drawRect = bounds;
drawRect.Inflate(-2, -2);
// The rectangle for the selection and focus
drawRectElements.BoundaryRect = drawRect;
drawRect.Y = drawRect.Y + (drawRect.Height - _font.Height) / 2;
drawRect.X += 4;
drawRect.Width -= 4;
// Compute Read image rectangle
Image readImage = ReadImageForMessage(message);
Rectangle imageRect = new Rectangle(drawRect.X, bounds.Y + (bounds.Height - readImage.Height) / 2, readImage.Width, readImage.Height);
drawRectElements.ReadRect = imageRect;
drawRect.X += readImage.Width + 4;
drawRect.Width -= readImage.Width + 4;
// Compute author name rectangle
SizeF idSize = graphics.MeasureString(message.Author, _font);
drawRectElements.AuthorRect = drawRect;
drawRect.X += (int)idSize.Width + 4;
drawRect.Width -= (int)idSize.Width + 4;
// Compute first separator rectangle
const string separatorChar = "•";
idSize = graphics.MeasureString(separatorChar, _font);
drawRectElements.Separator1Rect = drawRect;
drawRect.X += (int)idSize.Width + 4;
drawRect.Width -= (int)idSize.Width + 4;
// Compute date field rectangle
string dateString = (_showFullDate)
? message.Date.ToString("d MMM yyyy") + " " + message.Date.ToShortTimeString()
: message.Date.FriendlyString(true);
idSize = graphics.MeasureString(dateString, _font);
drawRectElements.DateRect = drawRect;
drawRect.X += (int)idSize.Width + 4;
drawRect.Width -= (int)idSize.Width + 4;
// Compute ID field rectangle
string idString = (message.IsDraft)
? "Draft"
: message.RemoteID.ToString(CultureInfo.InvariantCulture);
idSize = graphics.MeasureString(idString, _font);
drawRectElements.IDRect = drawRect;
drawRect.X += (int)idSize.Width + 4;
drawRect.Width -= (int)idSize.Width + 4;
// Compute second separator rectangle
idSize = graphics.MeasureString(separatorChar, _font);
drawRectElements.Separator2Rect = drawRect;
// Compute subject line rectangle
drawRect.X += (int)idSize.Width + 4;
drawRect.Width -= (int)idSize.Width + 8;
drawRectElements.SubjectRect = drawRect;
return(drawRectElements);
}
