protected TabGroupLeaf RecursiveFindLeafInSequence(TabGroupSequence tgs, TabGroupBase tgb, bool forwards)
{
int count = tgs.Count;
int index = tgs.IndexOf(tgb);
// Are we look for entries after the provided one?
if (forwards)
{
for(int i=index+1; i<count; i++)
{
// Is this the needed leaf node?
if (tgs[i].IsLeaf)
return tgs[i] as TabGroupLeaf;
else
{
TabGroupLeaf leaf = RecursiveFindLeafInSequence(tgs[i] as TabGroupSequence, forwards);
if (leaf != null)
return leaf;
}
}
}
else
{
// Now try each entry before that given
for(int i=index-1; i>=0; i--)
{
// Is this the needed leaf node?
if (tgs[i].IsLeaf)
return tgs[i] as TabGroupLeaf;
else
{
TabGroupLeaf leaf = RecursiveFindLeafInSequence(tgs[i] as TabGroupSequence, forwards);
if (leaf != null)
return leaf;
}
}
}
// Still no luck, try our own parent
if (tgs.Parent != null)
return RecursiveFindLeafInSequence(tgs.Parent as TabGroupSequence, tgs, forwards);
else
return null;
}
protected void MoveActiveInSequence(TabGroupSequence tgs, TabGroupBase child)
{
int count = tgs.Count;
int index = tgs.IndexOf(child);
// First try each entry after that given
for(int i=index+1; i<count; i++)
{
// Is this the needed leaf node?
if (tgs[i].IsLeaf)
{
// Make it active, and finish
ActiveLeaf = tgs[i] as TabGroupLeaf;
return;
}
else
{
// Need to make a recursive check inside group
if (RecursiveActiveInSequence(tgs[i] as TabGroupSequence, true))
return;
}
}
// Now try each entry before that given
for(int i=index-1; i>=0; i--)
{
// Is this the needed leaf node?
if (tgs[i].IsLeaf)
{
// Make it active, and finish
ActiveLeaf = tgs[i] as TabGroupLeaf;
return;
}
else
{
// Need to make a recursive check inside group
if (RecursiveActiveInSequence(tgs[i] as TabGroupSequence, false))
return;
}
}
// Still no luck, try our own parent
if (tgs.Parent != null)
MoveActiveInSequence(tgs.Parent as TabGroupSequence, tgs);
}
protected void AddGroupToSequence(TabGroupSequence tgs, TabGroupLeaf sourceLeaf, bool before)
{
// Remember original auto compact mode
bool autoCompact = _tabbedGroups.AutoCompact;
// Turn mode off as it interferes with reorganisation
_tabbedGroups.AutoCompact = false;
// Find our index into parent collection
int pos = tgs.IndexOf(this);
TabGroupLeaf newGroup = null;
// New group inserted before existing one?
if (before)
newGroup = tgs.InsertNewLeaf(pos);
else
{
// No, are we at the end of the collection?
if (pos == (tgs.Count - 1))
newGroup = tgs.AddNewLeaf();
else
newGroup = tgs.InsertNewLeaf(pos + 1);
}
// Get tab control for source leaf
Controls.TabControl tc = sourceLeaf.GroupControl as Controls.TabControl;
TabPage tp = tc.SelectedTab;
// Remove page from ourself
tc.TabPages.Remove(tp);
// Add into the new leaf
newGroup.TabPages.Add(tp);
// Reset compacting mode as we have updated the structure
_tabbedGroups.AutoCompact = autoCompact;
// Do we need to compact?
if (_tabbedGroups.AutoCompact)
_tabbedGroups.Compact();
}