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
River.Orqa.Controls.Controls.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;
River.Orqa.Controls.Controls.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;
}
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 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);
}
internal void NewHorizontalGroup(TabGroupLeaf sourceLeaf, bool before)
{
TabGroupSequence tgs = this.Parent as TabGroupSequence;
// We must have a parent sequence!
if (tgs != null)
{
tgs.Direction = Common.Direction.Horizontal;
AddGroupToSequence(tgs, sourceLeaf, before);
}
}
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 OnMovePrevious(object sender, EventArgs e)
{
// Find the previous leaf node
TabGroupLeaf prev = _tabbedGroups.PreviousLeaf(this);
// Must always be valid!
if (prev != null)
{
MovePageToLeaf(prev);
}
}
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;
River.Orqa.Controls.Controls.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 CompactRemoveEmptyTabLeafs(TabbedGroups.CompactFlags flags)
{
// Should we check for empty leaf nodes?
if ((flags & TabbedGroups.CompactFlags.RemoveEmptyTabLeaf) != 0)
{
int count = _children.Count;
for (int index = 0; index < count; index++)
{
// Only interested in leaf entries
if (_children[index].IsLeaf)
{
TabGroupLeaf tgl = (TabGroupLeaf)_children[index];
// Is this an empty leaf node?
if (tgl.Count == 0)
{
// Update active leaf setting
if (_tabbedGroups.ActiveLeaf == tgl)
{
TabGroupLeaf newLeaf = _tabbedGroups.NextLeaf(tgl);
if (newLeaf == null)
{
newLeaf = _tabbedGroups.PreviousLeaf(tgl);
}
_tabbedGroups.ActiveLeaf = newLeaf;
}
// Need to remove the redundant entry
RemoveAt(index);
// Reduce number of entries left to check
count--;
// Move backwards so the next increment stays on same index
index--;
// Mark layout as dirty
if (_tabbedGroups.AutoCalculateDirty)
{
_tabbedGroups.Dirty = true;
}
}
}
}
}
}
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);
}
}
public override bool ContainsProminent(bool recurse)
{
// Cache the currently selected prominent group
TabGroupLeaf prominent = _tabbedGroups.ProminentLeaf;
// If not defined then we cannot contain it!
if (prominent == null)
{
return(false);
}
// Check our own leaf nodes first
foreach (TabGroupBase group in _children)
{
if (group.IsLeaf)
{
if (group == prominent)
{
return(true);
}
}
}
// Need to check sub-sequences?
if (recurse)
{
// Check our child sequences
foreach (TabGroupBase group in _children)
{
if (group.IsSequence)
{
if (group.ContainsProminent(recurse))
{
return(true);
}
}
}
}
// Not found
return(false);
}
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 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 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);
Common.Direction direction = (rawDirection == "Horizontal" ? Common.Direction.Horizontal :
Common.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");
}
}
}
}
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 == Common.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));
}
}