public TGContextMenuEventArgs(TabGroupLeaf tgl, Controls.TabControl tc,
Controls.TabPage tp, PopupMenu contextMenu)
: base(tgl, tc, tp)
{
// Definie initial state
_contextMenu = contextMenu;
}
internal void MovePageToLeaf(TabGroupLeaf leaf)
{
// Remember original auto compact mode
bool autoCompact = _tabbedGroups.AutoCompact;
// Turn mode off as it interferes with reorganisation
_tabbedGroups.AutoCompact = false;
// Get the requested tab page to be moved to new leaf
TabPage tp = _tabControl.SelectedTab;
// Remove page from ourself
_tabControl.TabPages.Remove(tp);
// Add into the new leaf
leaf.TabPages.Add(tp);
// Make new leaf the active one
_tabbedGroups.ActiveLeaf = leaf;
TabControl tc = leaf.GroupControl as Controls.TabControl;
// Select the newly added page
tc.SelectedTab = tp;
// Reset compacting mode as we have updated the structure
_tabbedGroups.AutoCompact = autoCompact;
// Do we need to compact?
if (_tabbedGroups.AutoCompact)
{
_tabbedGroups.Compact();
}
}
public TGContextMenuEventArgs(TabGroupLeaf tgl, Controls.TabControl tc,
Controls.TabPage tp, PopupMenu contextMenu)
: base(tgl, tc, tp)
{
// Definie initial state
_contextMenu = contextMenu;
}
protected bool SelectPreviousTab() {
// If no active leaf...
if (_activeLeaf == null)
SelectLastPage();
else {
bool selectLast = false;
TabGroupLeaf startLeaf = _activeLeaf;
TabGroupLeaf thisLeaf = startLeaf;
do {
// Access to the embedded tab control
Controls.TabControl tc = thisLeaf.GroupControl as Controls.TabControl;
// Does it have any pages?
if (tc.TabPages.Count > 0) {
// Are we allowed to select the last page?
if (selectLast) {
// Do it and exit loop
tc.SelectedIndex = tc.TabPages.Count - 1;
// Must ensure this becomes the active leaf
if (thisLeaf != _activeLeaf)
ActiveLeaf = thisLeaf;
break;
}
else {
// Is there another page before the selected one?
if (tc.SelectedIndex > 0) {
// Select previous page and exit loop
tc.SelectedIndex = tc.SelectedIndex - 1;
break;
}
}
}
selectLast = true;
// Find the previous leaf in sequence
thisLeaf = PreviousLeaf(thisLeaf);
// No more leafs, wrap back to first
if (thisLeaf == null)
thisLeaf = LastLeaf();
// Back at starting leaf?
if (thisLeaf == startLeaf) {
// If it was not the first page that we started from
if (tc.SelectedIndex == 0) {
// Then we have circles all the way around, select last page
tc.SelectedIndex = tc.TabPages.Count - 1;
}
}
} while(thisLeaf != startLeaf);
}
return true;
}
public TGCloseRequestEventArgs(TabGroupLeaf tgl, Controls.TabControl tc, Controls.TabPage tp)
{
// Definie initial state
_tgl = tgl;
_tc = tc;
_tp = tp;
_cancel = false;
}
public Target(Rectangle hotRect, Rectangle drawRect, TabGroupLeaf leaf, TargetActions action)
{
// Define state
_hotRect = hotRect;
_drawRect = drawRect;
_leaf = leaf;
_action = action;
}
public Target(Rectangle hotRect, Rectangle drawRect, TabGroupLeaf leaf, TargetActions action)
{
// Define state
_hotRect = hotRect;
_drawRect = drawRect;
_leaf = leaf;
_action = action;
}
public TGCloseRequestEventArgs(TabGroupLeaf tgl, Controls.TabControl tc, Controls.TabPage tp)
{
// Definie initial state
_tgl = tgl;
_tc = tc;
_tp = tp;
_cancel = false;
}
public TabGroupLeaf PreviousLeaf(TabGroupLeaf current) {
// Get parent of the provided leaf
TabGroupSequence tgs = current.Parent as TabGroupSequence;
// Must have a valid parent sequence
if (tgs != null)
return RecursiveFindLeafInSequence(tgs, current, false);
else
return null;
}
internal void OnMovePrevious(object sender, EventArgs e)
{
// Find the previous leaf node
TabGroupLeaf prev = _tabbedGroups.PreviousLeaf(this);
// Must always be valid!
if (prev != null)
{
MovePageToLeaf(prev);
}
}
internal void OnMoveNext(object sender, EventArgs e)
{
// Find the previous leaf node
TabGroupLeaf next = _tabbedGroups.NextLeaf(this);
// Must always be valid!
if (next != null)
{
MovePageToLeaf(next);
}
}
internal void NewHorizontalGroup(TabGroupLeaf sourceLeaf, bool before)
{
TabGroupSequence tgs = this.Parent as TabGroupSequence;
// We must have a parent sequence!
if (tgs != null)
{
tgs.Direction = Direction.Horizontal;
AddGroupToSequence(tgs, sourceLeaf, before);
}
}
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();
}
}
public override bool ContainsProminent(bool recurse)
{
// Cache the currently selected prominent group
TabGroupLeaf prominent = _tabbedGroups.ProminentLeaf;
// Valid value to test against?
if (prominent != null)
{
return(this == prominent);
}
else
{
return(false);
}
}
private void ExternalDrop(Crownwood.Magic.Controls.TabbedGroups tg,
Crownwood.Magic.Controls.TabGroupLeaf tgl,
Crownwood.Magic.Controls.TabControl tc,
Crownwood.Magic.Controls.TabbedGroups.DragProvider dp)
{
// Create a new tab page
Crownwood.Magic.Controls.TabPage tp = NewTabPage();
// Define the text in this control
(tp.Control as RichTextBox).Text = "Dragged from node '" + (string)dp.Tag + "'";
// We want the new page to become selected
tp.Selected = true;
// Add new page into the destination tab control
tgl.TabPages.Add(tp);
}
protected TabGroupLeaf RecursiveFindLeafInSequence(TabGroupSequence tgs, bool forwards) {
int count = tgs.Count;
for(int i=0; i<count; i++) {
// Index depends on which direction we are processing
int index = (forwards == true) ? i : (tgs.Count - i - 1);
// Is this the needed leaf node?
if (tgs[index].IsLeaf)
return tgs[index] as TabGroupLeaf;
else {
// Need to make a recursive check inside group
TabGroupLeaf leaf = RecursiveFindLeafInSequence(tgs[index] as TabGroupSequence, forwards);
if (leaf != null)
return leaf;
}
}
// Still no luck
return null;
}
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;
}
public TargetManager(TabbedGroups host, TabGroupLeaf leaf, Controls.TabControl source)
{
// Define state
_host = host;
_leaf = leaf;
_source = source;
_lastTarget = null;
// Create collection to hold generated targets
_targets = new TargetCollection();
// Process each potential leaf in turn
TabGroupLeaf tgl = host.FirstLeaf();
while (tgl != null)
{
// Create all possible targets for this leaf
CreateTargets(tgl);
// Enumerate all leafs
tgl = host.NextLeaf(tgl);
}
}
public void ResetActiveLeaf()
{
ActiveLeaf = null;
}
public void ResetProminentLeaf()
{
ProminentLeaf = null;
}
public virtual void OnExternalDrop(TabGroupLeaf tgl, Controls.TabControl tc, DragProvider dp)
{
// Has anyone registered for the event?
if (ExternalDrop != null)
ExternalDrop(this, tgl, tc, dp);
}
public void ResetProminentLeaf() {
ProminentLeaf = null;
}
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();
}
protected void CreateTargets(TabGroupLeaf leaf)
{
// Grab the underlying tab control
Controls.TabControl tc = leaf.GroupControl as Controls.TabControl;
// Get the total size of the tab control itself in screen coordinates
Rectangle totalSize = tc.RectangleToScreen(tc.ClientRectangle);
// We do not allow a page to be transfered to its own leaf!
if (leaf != _leaf)
{
Rectangle tabsSize = tc.RectangleToScreen(tc.TabsAreaRect);
// Give priority to the tabs area being used to transfer page
_targets.Add(new Target(tabsSize, totalSize, leaf, Target.TargetActions.Transfer));
}
// Can only create new groups if moving relative to a new group
// or we have more than one page in the originating group
if ((leaf != _leaf) || ((leaf == _leaf) && _leaf.TabPages.Count > 1))
{
int horzThird = totalSize.Width / 3;
int vertThird = totalSize.Height / 3;
// Create the four spacing rectangle
Rectangle leftRect = new Rectangle(totalSize.X, totalSize.Y, horzThird, totalSize.Height);
Rectangle rightRect = new Rectangle(totalSize.Right - horzThird, totalSize.Y, horzThird, totalSize.Height);
Rectangle topRect = new Rectangle(totalSize.X, totalSize.Y, totalSize.Width, vertThird);
Rectangle bottomRect = new Rectangle(totalSize.X, totalSize.Bottom - vertThird, totalSize.Width, vertThird);
TabGroupSequence tgs = _leaf.Parent as TabGroupSequence;
// Can only create new groups in same direction, unless this is the only leaf
if (tgs.Count <= 1)
{
// Add each new target
_targets.Add(new Target(leftRect, leftRect, leaf, Target.TargetActions.GroupLeft));
_targets.Add(new Target(rightRect, rightRect, leaf, Target.TargetActions.GroupRight));
_targets.Add(new Target(topRect, topRect, leaf, Target.TargetActions.GroupTop));
_targets.Add(new Target(bottomRect, bottomRect, leaf, Target.TargetActions.GroupBottom));
}
else
{
if (tgs.Direction == Direction.Vertical)
{
_targets.Add(new Target(topRect, topRect, leaf, Target.TargetActions.GroupTop));
_targets.Add(new Target(bottomRect, bottomRect, leaf, Target.TargetActions.GroupBottom));
}
else
{
_targets.Add(new Target(leftRect, leftRect, leaf, Target.TargetActions.GroupLeft));
_targets.Add(new Target(rightRect, rightRect, leaf, Target.TargetActions.GroupRight));
}
}
}
// We do not allow a page to be transfered to its own leaf!
if (leaf != _leaf)
{
// Any remaining space is used to
_targets.Add(new Target(totalSize, totalSize, leaf, Target.TargetActions.Transfer));
}
}
internal void MovePageToLeaf(TabGroupLeaf leaf)
{
// Remember original auto compact mode
bool autoCompact = _tabbedGroups.AutoCompact;
// Turn mode off as it interferes with reorganisation
_tabbedGroups.AutoCompact = false;
// Get the requested tab page to be moved to new leaf
TabPage tp = _tabControl.SelectedTab;
// Remove page from ourself
_tabControl.TabPages.Remove(tp);
// Add into the new leaf
leaf.TabPages.Add(tp);
// Make new leaf the active one
_tabbedGroups.ActiveLeaf = leaf;
TabControl tc = leaf.GroupControl as Controls.TabControl;
// Select the newly added page
tc.SelectedTab = tp;
// Reset compacting mode as we have updated the structure
_tabbedGroups.AutoCompact = autoCompact;
// Do we need to compact?
if (_tabbedGroups.AutoCompact)
_tabbedGroups.Compact();
}
internal void NewVerticalGroup(TabGroupLeaf sourceLeaf, bool before)
{
TabGroupSequence tgs = this.Parent as TabGroupSequence;
// We must have a parent sequence!
if (tgs != null)
{
tgs.Direction = Direction.Vertical;
AddGroupToSequence(tgs, sourceLeaf, before);
}
}
public override void LoadFromXml(XmlTextReader xmlIn)
{
// Grab the expected attributes
string rawCount = xmlIn.GetAttribute(0);
string rawUnique = xmlIn.GetAttribute(1);
string rawSpace = xmlIn.GetAttribute(2);
string rawDirection = xmlIn.GetAttribute(3);
// Convert to correct types
int count = Convert.ToInt32(rawCount);
int unique = Convert.ToInt32(rawUnique);
Decimal space = Convert.ToDecimal(rawSpace);
Direction direction = (rawDirection == "Horizontal" ? Direction.Horizontal :
Direction.Vertical);
// Update myself with new values
_unique = unique;
_space = space;
_direction = direction;
// Load each of the children
for(int i=0; i<count; i++)
{
// Read the next Element
if (!xmlIn.Read())
throw new ArgumentException("An element was expected but could not be read in");
TabGroupBase newElement = null;
// Is it another sequence?
if (xmlIn.Name == "Sequence")
newElement = new TabGroupSequence(_tabbedGroups, this);
else if (xmlIn.Name == "Leaf")
newElement = new TabGroupLeaf(_tabbedGroups, this);
else
throw new ArgumentException("Unknown element was encountered");
bool expectEndElement = !xmlIn.IsEmptyElement;
// Load its config
newElement.LoadFromXml(xmlIn);
// Add new element to the collection
Add(newElement);
// Do we expect and end element to occur?
if (expectEndElement)
{
// Move past the end element
if (!xmlIn.Read())
throw new ArgumentException("Could not read in next expected node");
// Check it has the expected name
if (xmlIn.NodeType != XmlNodeType.EndElement)
throw new ArgumentException("EndElement expected but not found");
}
}
}
public TabGroupLeaf InsertNewLeaf(int index)
{
// Range check index
if (index < 0)
throw new ArgumentOutOfRangeException("index", index, "Insert index must be at least 0");
if (index >= _children.Count)
throw new ArgumentOutOfRangeException("index", index, "Cannot insert after end of current entries");
// Create a new leaf instance with correct back references
TabGroupLeaf tgl = new TabGroupLeaf(_tabbedGroups, this);
// Insert into correct collection position
Insert(index, tgl);
// Return its position in collection
return tgl;
}
public void LoadConfigFromStream(Stream stream) {
XmlTextReader xmlIn = new XmlTextReader(stream);
// Ignore whitespace, not interested
xmlIn.WhitespaceHandling = WhitespaceHandling.None;
// Moves the reader to the root element.
xmlIn.MoveToContent();
// Double check this has the correct element name
if (xmlIn.Name != "TabbedGroups")
throw new ArgumentException("Root element must be 'TabbedGroups'");
// Load the format version number
string version = xmlIn.GetAttribute(0);
string rawActiveLeaf = xmlIn.GetAttribute(1);
// Convert format version from string to double
int formatVersion = (int)Convert.ToDouble(version);
int activeLeaf = Convert.ToInt32(rawActiveLeaf);
// We can only load 1 upward version formats
if (formatVersion < 1)
throw new ArgumentException("Can only load Version 1 and upwards TabbedGroups Configuration files");
try {
// Prevent compacting and reposition of children
BeginInit();
// Remove all existing contents
_root.Clear();
// Read to custom data element
if (!xmlIn.Read())
throw new ArgumentException("An element was expected but could not be read in");
if (xmlIn.Name != "CustomGlobalData")
throw new ArgumentException("Expected 'CustomData' element was not found");
bool finished = xmlIn.IsEmptyElement;
// Give handlers chance to reload custom saved data
OnGlobalLoading(xmlIn);
// Read everything until we get the end of custom data marker
while(!finished) {
// Check it has the expected name
if (xmlIn.NodeType == XmlNodeType.EndElement)
finished = (xmlIn.Name == "CustomGlobalData");
if (!finished) {
if (!xmlIn.Read())
throw new ArgumentException("An element was expected but could not be read in");
}
}
// Read the next well known lement
if (!xmlIn.Read())
throw new ArgumentException("An element was expected but could not be read in");
// Is it the expected element?
if (xmlIn.Name != "Sequence")
throw new ArgumentException("Element 'Sequence' was expected but not found");
// Reload the root sequence
_root.LoadFromXml(xmlIn);
// Move past the end element
if (!xmlIn.Read())
throw new ArgumentException("Could not read in next expected node");
// Check it has the expected name
if (xmlIn.NodeType != XmlNodeType.EndElement)
throw new ArgumentException("EndElement expected but not found");
}
finally {
TabGroupLeaf newActive = null;
// Reset the active leaf correctly
TabGroupLeaf current = FirstLeaf();
while(current != null) {
// Default to the first leaf if we cannot find a match
if (newActive == null)
newActive = current;
// Find an exact match?
if (current.Unique == activeLeaf) {
newActive = current;
break;
}
current = NextLeaf(current);
}
// Reinstate the active leaf indication
if (newActive != null)
ActiveLeaf = newActive;
// Allow normal operation
EndInit();
}
xmlIn.Close();
// Just loaded, so cannot be dirty
if (_autoCalculateDirty)
_dirty = false;
}
public TabGroupLeaf PreviousLeaf(TabGroupLeaf current)
{
// Get parent of the provided leaf
TabGroupSequence tgs = current.Parent as TabGroupSequence;
// Must have a valid parent sequence
if (tgs != null)
return RecursiveFindLeafInSequence(tgs, current, false);
else
return null;
}
public TargetManager(TabbedGroups host, TabGroupLeaf leaf, Controls.TabControl source)
{
// Define state
_host = host;
_leaf = leaf;
_source = source;
_lastTarget = null;
// Create collection to hold generated targets
_targets = new TargetCollection();
// Process each potential leaf in turn
TabGroupLeaf tgl = host.FirstLeaf();
while(tgl != null)
{
// Create all possible targets for this leaf
CreateTargets(tgl);
// Enumerate all leafs
tgl = host.NextLeaf(tgl);
}
}
internal void GroupRemoved(TabGroupBase tgb)
{
// Only modify leaf count when not suspended
if (_suspendLeafCount == 0)
{
// Decrease count of leafs entries for each leaf that exists
// which in the hierarchy that is being removed
if (tgb.IsLeaf)
{
_numLeafs--;
// Was last leaf removed?
if (_numLeafs == 0)
{
// If at least one leaf then set the value manually so that when the
// new one is created and set as active it does not try to process the
// old value that has already been destroyed.
if (_atLeastOneLeaf)
{
// Need to get rid of active leaf value
_activeLeaf = null;
}
}
}
else
{
TabGroupSequence tgs = tgb as TabGroupSequence;
// Recurse into processing each child item
for(int i=0; i<tgs.Count; i++)
GroupRemoved(tgs[i]);
}
// Dispose of the group resources
tgb.Dispose();
// Mark layout as dirty
if (_autoCalculateDirty)
_dirty = true;
}
}
public virtual void OnExternalDrop(TabGroupLeaf tgl, Controls.TabControl tc, DragProvider dp) {
// Has anyone registered for the event?
if (ExternalDrop != null)
ExternalDrop(this, tgl, tc, dp);
}
public void ResetActiveLeaf() {
ActiveLeaf = null;
}
public TabGroupLeaf AddNewLeaf()
{
// Create a new leaf instance with correct back references
TabGroupLeaf tgl = new TabGroupLeaf(_tabbedGroups, this);
// Add into the collection
Add(tgl);
// Return its position in collection
return tgl;
}
protected void CreateTargets(TabGroupLeaf leaf)
{
// Grab the underlying tab control
Controls.TabControl tc = leaf.GroupControl as Controls.TabControl;
// Get the total size of the tab control itself in screen coordinates
Rectangle totalSize = tc.RectangleToScreen(tc.ClientRectangle);
// We do not allow a page to be transfered to its own leaf!
if (leaf != _leaf)
{
Rectangle tabsSize = tc.RectangleToScreen(tc.TabsAreaRect);
// Give priority to the tabs area being used to transfer page
_targets.Add(new Target(tabsSize, totalSize, leaf, Target.TargetActions.Transfer));
}
// Can only create new groups if moving relative to a new group
// or we have more than one page in the originating group
if ((leaf != _leaf) || ((leaf == _leaf) && _leaf.TabPages.Count > 1))
{
int horzThird = totalSize.Width / 3;
int vertThird = totalSize.Height / 3;
// Create the four spacing rectangle
Rectangle leftRect = new Rectangle(totalSize.X, totalSize.Y, horzThird, totalSize.Height);
Rectangle rightRect = new Rectangle(totalSize.Right - horzThird, totalSize.Y, horzThird, totalSize.Height);
Rectangle topRect = new Rectangle(totalSize.X, totalSize.Y, totalSize.Width, vertThird);
Rectangle bottomRect = new Rectangle(totalSize.X, totalSize.Bottom - vertThird, totalSize.Width, vertThird);
TabGroupSequence tgs = _leaf.Parent as TabGroupSequence;
// Can only create new groups in same direction, unless this is the only leaf
if (tgs.Count <= 1)
{
// Add each new target
_targets.Add(new Target(leftRect, leftRect, leaf, Target.TargetActions.GroupLeft));
_targets.Add(new Target(rightRect, rightRect, leaf, Target.TargetActions.GroupRight));
_targets.Add(new Target(topRect, topRect, leaf, Target.TargetActions.GroupTop));
_targets.Add(new Target(bottomRect, bottomRect, leaf, Target.TargetActions.GroupBottom));
}
else
{
if (tgs.Direction == Direction.Vertical)
{
_targets.Add(new Target(topRect, topRect, leaf, Target.TargetActions.GroupTop));
_targets.Add(new Target(bottomRect, bottomRect, leaf, Target.TargetActions.GroupBottom));
}
else
{
_targets.Add(new Target(leftRect, leftRect, leaf, Target.TargetActions.GroupLeft));
_targets.Add(new Target(rightRect, rightRect, leaf, Target.TargetActions.GroupRight));
}
}
}
// We do not allow a page to be transfered to its own leaf!
if (leaf != _leaf)
{
// Any remaining space is used to
_targets.Add(new Target(totalSize, totalSize, leaf, Target.TargetActions.Transfer));
}
}