//Remove a SINGLE Viewer Windows data from Flags & gv[]
public static bool DeleteViewerAndFlags(int index = -1, string currentDb = "")
{
int x = index;
SqlDbViewer sqlv; // x = GridView[] index if received
if (Flags.CurrentSqlViewer == null)
{
return(false);
}
Guid tag = ( Guid )Flags.CurrentSqlViewer?.Tag;
ListBoxItem lbi = new ListBoxItem( );
if (x == -1)
{ // Delete all
for (int z = 0; z < MainWindow.gv.MaxViewers; z++)
{
DbSelector.UpdateControlFlags(null, null, MainWindow.gv.PrettyDetails);
MainWindow.gv.CurrentDb [z] = "";
MainWindow.gv.ListBoxId [z] = Guid.Empty;
MainWindow.gv.Datagrid [z] = null;
MainWindow.gv.window [z] = null;
}
MainWindow.gv.ViewerCount = 0;
MainWindow.gv.PrettyDetails = "";
MainWindow.gv.SqlBankViewer = null;
MainWindow.gv.SqlCustViewer = null;
MainWindow.gv.SqlDetViewer = null;
MainWindow.gv.SqlViewerGuid = Guid.Empty;
MainWindow.gv.SqlViewerWindow = null;
MainWindow.gv.Bankviewer = Guid.Empty;
MainWindow.gv.Custviewer = Guid.Empty;
MainWindow.gv.Detviewer = Guid.Empty;
Flags.ActiveSqlGrid = null;
Flags.SqlBankViewer = null;
Flags.SqlCustViewer = null;
Flags.SqlDetViewer = null;
// Flags . CurrentSqlViewer = null;
// ALL entries in our GridView structure are now cleared ** totally **
return(true);
}
else
{
int GridViewerArrayIndex = 0;
// we may have NOT received the index of the viewer in the list
// so get the index for the correct Entry
if (x == 99)
{
// got to find it ourselves - iterate thruMainWindow.gv[] array (Range is 0 - 3)
for (int i = 0; i < 3; i++)
{
if (MainWindow.gv.CurrentDb [i] == currentDb)
{
x = i; break;
}
}
GridViewerArrayIndex = x;
// we have got the index in "x" of the viewer in the Mainindow.gv[] array
// so get the Tag of that selected Entry vin the ViewersList
for (int i = 1; i < 4; i++)
{
lbi = Flags.DbSelectorOpen.ViewersList.Items [i] as ListBoxItem;
if (MainWindow.gv.ListBoxId [GridViewerArrayIndex] == ( Guid )lbi.Tag)
{
//lbi = Flags . DbSelectorOpen . ViewersList . Items [ i ] as ListBoxItem;
Flags.DbSelectorOpen.ViewersList.Items.RemoveAt(i);
Flags.DbSelectorOpen.ViewersList.Refresh( );
break;
}
}
}
else
{
// we have the ViewersList index given to us, so use it
lbi = Flags.DbSelectorOpen.ViewersList.Items [index] as ListBoxItem;
Flags.DbSelectorOpen.ViewersList.Items.RemoveAt(index);
Flags.DbSelectorOpen.ViewersList.Refresh( );
// got to findit in thruMainWindow.gv[] array (Range is 0 - 3)
for (int i = 0; i < 4; i++)
{
if (MainWindow.gv.ListBoxId [i] == ( Guid )lbi.Tag)
{
GridViewerArrayIndex = i;
break;
}
}
}
sqlv = Flags.CurrentSqlViewer as SqlDbViewer;
sqlv.Close( );
// We know which gv[] entry we need to clear, so do it and return
MainWindow.gv.CurrentDb [GridViewerArrayIndex] = "";
MainWindow.gv.ListBoxId [GridViewerArrayIndex] = Guid.Empty;
MainWindow.gv.Datagrid [GridViewerArrayIndex] = null;
MainWindow.gv.window [GridViewerArrayIndex] = null;
MainWindow.gv.PrettyDetails = "";
MainWindow.gv.SqlViewerGuid = Guid.Empty;
MainWindow.gv.ViewerCount--;
// Reposition selected viewer if we have one
if (Flags.DbSelectorOpen.ViewersList.Items.Count > GridViewerArrayIndex + 1)
{
Flags.DbSelectorOpen.ViewersList.SelectedIndex = GridViewerArrayIndex + 1;
Flags.DbSelectorOpen.ViewersList.SelectedItem = GridViewerArrayIndex + 1;
}
else if (Flags.DbSelectorOpen.ViewersList.Items.Count == GridViewerArrayIndex + 1)
{
Flags.DbSelectorOpen.ViewersList.SelectedIndex = GridViewerArrayIndex - 1;
Flags.DbSelectorOpen.ViewersList.SelectedItem = GridViewerArrayIndex - 1;
}
return(true);
}
// Unreachable code ...
// Now sort out the global gv[] flags
for (int y = 1; y < Flags.DbSelectorOpen.ViewersList.Items.Count; y++)
{
// Get the Tag of eaxch Viewer in the list
lbi = Flags.DbSelectorOpen.ViewersList.Items [y] as ListBoxItem;
Guid lbtag = ( Guid )lbi.Tag;
//See if it matches the one we are closing down
if (( Guid )lbtag == ( Guid )tag)
{
//Yes, we have got a match, so go ahead and remove its gv[] entries first
for (int z = 0; z < MainWindow.gv.MaxViewers; z++)
{
if (MainWindow.gv.ListBoxId [z] == lbtag)
{
MainWindow.gv.ViewerCount--;
MainWindow.gv.CurrentDb [z] = "";
MainWindow.gv.ListBoxId [z] = Guid.Empty;
MainWindow.gv.Datagrid [z] = null;
MainWindow.gv.window [z] = null;
break;
}
}
MainWindow.gv.PrettyDetails = "";
//Finally we can remove this entry from ViewersList
lbi = Flags.DbSelectorOpen.ViewersList.Items [y] as ListBoxItem;
lbi.Content = "";
Flags.DbSelectorOpen.ViewersList.Items.RemoveAt(y);
// Set selectedIndex pointer to current position in list
int currentIndex = y - 1;
if (y <= 1) // List is basically empty (No viewers in the list)
{
return(true);
}
if (Flags.DbSelectorOpen.ViewersList.Items.Count > currentIndex)
{
Flags.DbSelectorOpen.ViewersList.SelectedIndex = currentIndex;
Flags.DbSelectorOpen.ViewersList.SelectedItem = currentIndex;
}
else if (Flags.DbSelectorOpen.ViewersList.Items.Count == currentIndex)
{
Flags.DbSelectorOpen.ViewersList.SelectedIndex = currentIndex - 1;
Flags.DbSelectorOpen.ViewersList.SelectedItem = currentIndex - 1;
}
return(true);
}
}
MainWindow.gv.SqlViewerGuid = Guid.Empty;
return(false);
}
