//used by the "generic" part of the code (not advanced).
//this returns a string representation of the listview item data in the given column, for comparison.
private Object GetCompareValue_Default(GenericListViewSorter Sorter, String ColumnName, ListViewItem Item)
{
//default just returns the String, for now. Later, add special conditions that detect when something is a valid date. Or something...
int indexuse = Sorter.OurListView.Columns[ColumnName].Index;
return(Item.SubItems[indexuse].Text);
}
// public delegate Object GetCompareValue(GenericListViewSorter Sorter, String ColumnName, ListViewItem Item);
public Object CompareValue(GenericListViewSorter pSorter, String ColumnName, ListViewItem Item)
{
Object oTag = Item.Tag;
if (oTag == null) /*hrrrm....*/ return {
(null);
}
String propname = FieldNameIndex[ColumnName];
var ttype = oTag.GetType();
foreach (FieldInfo fi in ttype.GetFields())
{
if (fi.Name.Equals(propname, StringComparison.OrdinalIgnoreCase))
{
return(fi.GetValue(oTag));
}
}
foreach (PropertyInfo pi in ttype.GetProperties())
{
if (pi.Name.Equals(propname, StringComparison.OrdinalIgnoreCase))
{
return(pi.GetValue(oTag, null));
}
}
return(null);
}
private void frmUpdates_Load(object sender, EventArgs e)
{
try
{
Cursor.Current = Cursors.WaitCursor;
Debug.Print("frmUpdates Loaded");
switch (mUpdateMode)
{
case EUpdateMode.Update_Full:
grpBasicUpdate.Visible = false;
tryagain:
updateobj = new BCUpdate();
lvwUpdates.Items.Clear();
lvwUpdates.Columns.Clear();
lvwUpdates.Columns.Add("NAME", "Name");
lvwUpdates.Columns.Add("INSTALLEDVER", "Installed");
lvwUpdates.Columns.Add("VERSION", "Version");
lvwUpdates.Columns.Add("PROGRESS", "Download Progress", 128);
lvwUpdates.Columns.Add("SIZE", "Size", 128);
lvwUpdates.Columns.Add("PATCH", "Patch For", 128);
lsorter = new GenericListViewSorter(lvwUpdates, sortproc);
lookupinfo.Clear();
//queued delegates to call after all other elements are added.
//this is used for adding patches last.
Queue <Action> DeferPatchItems = new Queue <Action>();
var Typelookup = new Dictionary <int, BCUpdate.UpdateInfo>();
try
{
foreach (BCUpdate.UpdateInfo looper in updateobj.LoadedUpdates)
{
var loopupdate = looper;
//we copy to a local variable because otherwise how a foreach control variable
//is closed over can be compiler specific.
Dictionary <int, BCUpdate.UpdateInfo> typelookup = Typelookup;
loopupdate.Tag = new DrawItemData("", null, null);
Action loopbody = (() =>
{
Color useForeColor = SystemColors.WindowText;
String usepatchString = "";
if (loopupdate.DownloadFor > 0)
{
if (!typelookup.ContainsKey(loopupdate.DownloadFor))
{
usepatchString = "<Unknown>";
}
else
{
var appliedto = typelookup[loopupdate.DownloadFor];
usepatchString = appliedto.DlName;
if (updateobj.getinstalledVersion(appliedto.dlID) == "")
{
useForeColor = SystemColors.GrayText;
usepatchString = "<" + appliedto.DlName + " Not Installed>";
}
}
}
string[] createdstrings = new string[] { loopupdate.DlName, updateobj.getinstalledVersion(loopupdate.dlID), loopupdate.UpdateVersion, "0", ByteSizeFormatter.FormatSize(loopupdate.FileSize), usepatchString };
ListViewItem newitem = new ListViewItem(createdstrings);
((DrawItemData)loopupdate.Tag).lvwitem = newitem;
newitem.Tag = loopupdate;
newitem.ForeColor = useForeColor;
lookupinfo.Add(loopupdate, newitem);
lvwUpdates.Items.Add(newitem);
typelookup.Add(loopupdate.dlID, loopupdate);
});
//if we need to defer it, add it to the queue. Otherwise, call it now.
if (loopupdate.DownloadFor == 0)
{
loopbody();
}
else
{
DeferPatchItems.Enqueue(loopbody);
}
}
while (DeferPatchItems.Any())
{
DeferPatchItems.Dequeue()();
}
}
catch (Exception except)
{
switch (
MessageBox.Show(
"The Following Exception occured trying to retrieve update information:\n" +
except.ToString(), "Unexpected Error", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error)
)
{
case DialogResult.Retry:
goto tryagain;
case DialogResult.Cancel:
Close();
break;
}
}
break;
case EUpdateMode.Update_Immediate:
//resize to Grp
Debug.Print("Immediate Update...");
//grpBasicUpdate.Location = new Point(ClientRectangle.Left, ClientRectangle.Top);
ClientSize = grpBasicUpdate.Size;
fraavailupdates.Hide();
MinimizeBox = true;
terminateonupdate = true;
grpBasicUpdate.Visible = true;
grpBasicUpdate.BringToFront();
this.Invalidate();
grpBasicUpdate.Invalidate();
grpBasicUpdate.Update();
this.Invalidate();
this.Update();
Debug.Print("grpBasicUpdate.Visible=" + grpBasicUpdate.Visible);
immediateupdate.CancelDownload();
String downloadresult = immediateupdate.DownloadUpdate(progressroutine, completionroutine);
if (updatingItems == null)
{
updatingItems = new List <BCUpdate.UpdateInfo>();
}
updatingItems.Add(immediateupdate);
break;
}
Cursor.Current = Cursors.Default;
}
catch (Exception exx)
{
panRefreshing.Visible = true;
panRefreshing.BringToFront();
panRefreshing.Location = new Point(0, 0);
panRefreshing.Size = new Size(ClientSize.Width, panLower.Top);
lblrefreshing.Text = "An Exception occured retrieving update information.";
txtException.Text = exx.ToString();
btnDownload.Visible = false;
}
}
