private OLVListSubItem MakeSubItem(object rowObject, OLVColumn column)
{
object cellValue = column.GetValue(rowObject);
OLVListSubItem subItem = new OLVListSubItem(cellValue,
column.ValueToString(cellValue),
column.GetImage(rowObject));
if (this.UseHyperlinks && column.Hyperlink) {
IsHyperlinkEventArgs args = new IsHyperlinkEventArgs();
args.ListView = this;
args.Model = rowObject;
args.Column = column;
args.Text = subItem.Text;
args.Url = subItem.Text;
this.OnIsHyperlink(args);
subItem.Url = args.Url;
}
return subItem;
}
void tickler_ElapsedInThread()
{
// Handle death/destruction/hiding
if (this.Column == null ||
this.ListView == null ||
this.ListView.IsDisposed ||
!this.Column.IsVisible ||
this.ListView.View != System.Windows.Forms.View.Details)
{
return;
}
Rectangle updateRect = new Rectangle();
List <object> objectsToRemove = new List <object>();
// Run through each visible row, checking to see if it should be animated
int topIndex = this.ListView.TopItemIndex;
int bottomIndex = topIndex + this.ListView.RowsPerPage;
for (int i = topIndex; i <= bottomIndex; i++)
{
OLVListItem olvi = this.ListView.GetItem(i);
if (olvi == null)
{
continue;
}
// Has this row been animating?
object animatingModel = olvi.RowObject;
if (!this.animationIndexMap.ContainsKey(olvi.RowObject))
{
continue;
}
// Collect the area that must be redraw
OLVListSubItem subItem = (OLVListSubItem)olvi.SubItems[this.Column.Index];
if (updateRect.IsEmpty)
{
updateRect = subItem.Bounds;
}
else
{
updateRect = Rectangle.Union(updateRect, subItem.Bounds);
}
// If it is still animating, advance to the next image, wrapping
// at the end. If it is no longer animating, remove it.
if (this.IsAnimating(animatingModel))
{
int newIndex = this.GetAnimationIndex(animatingModel) + 1;
if (newIndex >= this.ImageNames.Count - 1)
{
newIndex = 1;
}
this.animationIndexMap[animatingModel] = newIndex;
// For virtual lists, it is enough to redraw the cell,
// but for non-owner drawn, we have to be more forceful
if (!this.ListView.VirtualMode)
{
subItem.ImageSelector = column.GetImage(animatingModel);
this.ListView.SetSubItemImage(olvi.Index, this.Column.Index, subItem, false);
}
}
else
{
objectsToRemove.Add(animatingModel);
}
}
// Get rid of models that are no longer animating
foreach (object key in objectsToRemove)
{
this.animationIndexMap.Remove(key);
}
// Force the listview to redraw the animated images
if (!updateRect.IsEmpty)
{
this.ListView.Invalidate(updateRect);
}
}