int CountRequiredSplitters(DockGroup grp)
{
if (grp.Type == DockGroupType.Tabbed)
return 0;
else
{
int num = grp.VisibleObjects.Count - 1;
if (num < 0)
return 0;
foreach (var c in grp.VisibleObjects.OfType<DockGroup>())
num += CountRequiredSplitters(c);
return num;
}
}
bool EstimateBarDocPosition(DockGroup grp, DockObject ignoreChild, out PositionType pos, out int size)
{
foreach (DockObject ob in grp.Objects) {
if (ob == ignoreChild)
continue;
if (ob is DockGroup) {
if (EstimateBarDocPosition ((DockGroup)ob, null, out pos, out size))
return true;
} else if (ob is DockGroupItem) {
DockGroupItem it = (DockGroupItem) ob;
if (it.status == DockItemStatus.AutoHide) {
pos = it.barDocPosition;
size = it.autoHideSize;
return true;
}
if (!it.Allocation.IsEmpty) {
pos = it.CalcBarDocPosition ();
size = it.GetAutoHideSize (pos);
return true;
}
}
}
pos = PositionType.Bottom;
size = 0;
return false;
}
internal void AllocateSplitter(DockGroup grp, int index, Gdk.Rectangle a)
{
var s = splitters[usedSplitters++];
if (a.Height > a.Width)
{
a.Width = 5;
a.X -= 2;
}
else
{
a.Height = 5;
a.Y -= 2;
}
s.SizeAllocate(a);
s.Init(grp, index);
}
DockGroupItem AddItemAtLocation(DockGroup grp, DockItem it, string location, bool visible, DockItemStatus status)
{
string[] positions = location.Split (';');
foreach (string pos in positions) {
int i = pos.IndexOf ('/');
if (i == -1) continue;
string id = pos.Substring (0,i).Trim ();
DockGroup g = grp.FindGroupContaining (id);
if (g != null) {
DockPosition dpos;
try {
dpos = (DockPosition) Enum.Parse (typeof(DockPosition), pos.Substring(i+1).Trim(), true);
}
catch {
continue;
}
DockGroupItem dgt = g.AddObject (it, dpos, id);
dgt.SetVisible (visible);
dgt.Status = status;
return dgt;
}
}
return null;
}
public virtual void CopyFrom(DockObject ob)
{
parentGroup = null;
frame = ob.frame;
rect = ob.rect;
size = ob.size;
allocSize = ob.allocSize;
defaultHorSize = ob.defaultHorSize;
defaultVerSize = ob.defaultVerSize;
prefSize = ob.prefSize;
}
void DrawSeparators(Gdk.Rectangle exposedArea, DockGroup currentHandleGrp, int currentHandleIndex, DrawSeparatorOperation oper, bool drawChildrenSep, List<Gdk.Rectangle> areasList)
{
if (type == DockGroupType.Tabbed || VisibleObjects.Count == 0)
return;
DockObject last = VisibleObjects [VisibleObjects.Count - 1];
bool horiz = type == DockGroupType.Horizontal;
int x = Allocation.X;
int y = Allocation.Y;
int hw = horiz ? Frame.HandleSize : Allocation.Width;
int hh = horiz ? Allocation.Height : Frame.HandleSize;
Gdk.GC hgc = null;
if (areasList == null && oper == DrawSeparatorOperation.Draw) {
hgc = new Gdk.GC (Frame.Container.GdkWindow);
hgc.RgbFgColor = Styles.DockFrameBackground;
}
for (int n=0; n<VisibleObjects.Count; n++) {
DockObject ob = VisibleObjects [n];
DockGroup grp = ob as DockGroup;
if (grp != null && drawChildrenSep)
grp.DrawSeparators (exposedArea, currentHandleGrp, currentHandleIndex, oper, areasList);
if (ob != last) {
if (horiz)
x += ob.Allocation.Width + Frame.HandlePadding;
else
y += ob.Allocation.Height + Frame.HandlePadding;
switch (oper) {
case DrawSeparatorOperation.CollectAreas:
if (Frame.ShadedSeparators)
areasList.Add (new Gdk.Rectangle (x, y, hw, hh));
break;
case DrawSeparatorOperation.Invalidate:
Frame.Container.QueueDrawArea (x, y, hw, hh);
break;
case DrawSeparatorOperation.Draw:
Frame.Container.GdkWindow.DrawRectangle (hgc, true, x, y, hw, hh);
break;
case DrawSeparatorOperation.Allocate:
Frame.Container.AllocateSplitter (this, n, new Gdk.Rectangle (x, y, hw, hh));
break;
}
if (horiz)
x += Frame.HandleSize + Frame.HandlePadding;
else
y += Frame.HandleSize + Frame.HandlePadding;
}
}
if (hgc != null)
hgc.Dispose ();
}
DockGroupItem AddDefaultItem(DockGroup grp, DockItem it)
{
return AddItemAtLocation (grp, it, it.DefaultLocation, it.DefaultVisible, it.DefaultStatus);
}
bool ObjectHasAncestor(DockObject obj, DockGroup ancestorToFind)
{
return obj != null && (obj.ParentGroup == ancestorToFind || ObjectHasAncestor (obj.ParentGroup, ancestorToFind));
}
/// <summary>
/// Gets the style assigned to a specific position of the layout
/// </summary>
/// <returns>
/// The region style for position.
/// </returns>
/// <param name='parentGroup'>
/// Group which contains the position
/// </param>
/// <param name='childIndex'>
/// Index of the position inside the group
/// </param>
/// <param name='insertingPosition'>
/// If true, the position will be inserted (meaning that the objects in childIndex will be shifted 1 position)
/// </param>
internal DockVisualStyle GetRegionStyleForPosition(DockGroup parentGroup, int childIndex, bool insertingPosition)
{
DockVisualStyle mergedStyle = null;
foreach (var e in regionStyles) {
if (InRegion (e.Item1, parentGroup, childIndex, insertingPosition)) {
if (mergedStyle == null)
mergedStyle = DefaultVisualStyle.Clone ();
mergedStyle.CopyValuesFrom (e.Item2);
}
}
return mergedStyle ?? DefaultVisualStyle;
}
internal override void Read(XmlReader reader)
{
base.Read (reader);
type = (DockGroupType) Enum.Parse (typeof(DockGroupType), reader.GetAttribute ("type"));
if (type == DockGroupType.Tabbed)
{
string s = reader.GetAttribute ("currentTabPage");
if (s != null)
currentTabPage = int.Parse (s);
isVertical = false;
s = reader.GetAttribute("isVertical");
if (s != null)
bool.TryParse(s, out isVertical);
}
reader.MoveToElement ();
if (reader.IsEmptyElement) {
reader.Skip ();
return;
}
reader.ReadStartElement ();
reader.MoveToContent ();
while (reader.NodeType != XmlNodeType.EndElement) {
if (reader.NodeType == XmlNodeType.Element) {
if (reader.LocalName == "item") {
string id = reader.GetAttribute ("id");
DockItem it = Frame.GetItem (id);
if (it == null && Frame.CreateItem != null)
it = Frame.CreateItem(id);
if (it == null)
{
it = Frame.AddItem (id);
it.IsPositionMarker = true;
}
DockGroupItem gitem = new DockGroupItem (Frame, it);
gitem.Read (reader);
AddObject (gitem);
reader.MoveToElement ();
reader.Skip ();
}
else if (reader.LocalName == "group") {
DockGroup grp = new DockGroup (Frame);
grp.Read (reader);
AddObject (grp);
}
}
else
reader.Skip ();
reader.MoveToContent ();
}
reader.ReadEndElement ();
}
bool InRegion(DockGroup grp, DockPosition pos, DockObject refObject, DockGroup objToFindParent, int objToFindIndex, bool insertingPosition)
{
if (grp == null)
return false;
if (grp.Type == DockGroupType.Tabbed) {
if (pos != DockPosition.Center && pos != DockPosition.CenterBefore)
return InRegion (grp.ParentGroup, pos, grp, objToFindParent, objToFindIndex, insertingPosition);
}
if (grp.Type == DockGroupType.Horizontal) {
if (pos != DockPosition.Left && pos != DockPosition.Right)
return InRegion (grp.ParentGroup, pos, grp, objToFindParent, objToFindIndex, insertingPosition);
}
if (grp.Type == DockGroupType.Vertical) {
if (pos != DockPosition.Top && pos != DockPosition.Bottom)
return InRegion (grp.ParentGroup, pos, grp, objToFindParent, objToFindIndex, insertingPosition);
}
bool foundAtLeftSide = true;
bool findingLeft = pos == DockPosition.Left || pos == DockPosition.Top || pos == DockPosition.CenterBefore;
if (objToFindParent == grp) {
// Check positions beyond the current range of items
if (objToFindIndex < 0 && findingLeft)
return true;
if (objToFindIndex >= grp.Objects.Count && !findingLeft)
return true;
}
for (int n=0; n<grp.Objects.Count; n++) {
var ob = grp.Objects[n];
bool foundRefObject = ob == refObject;
bool foundTargetObject = objToFindParent == grp && objToFindIndex == n;
if (foundRefObject) {
// Found the reference object, but if insertingPosition=true it is in the position that the new item will have,
// so this position still has to be considered to be at the left side
if (foundTargetObject && insertingPosition)
return foundAtLeftSide == findingLeft;
foundAtLeftSide = false;
}
else if (foundTargetObject)
return foundAtLeftSide == findingLeft;
else if (ob is DockGroup) {
DockGroup gob = (DockGroup)ob;
if (gob == objToFindParent || ObjectHasAncestor (objToFindParent, gob))
return foundAtLeftSide == findingLeft;
}
}
return InRegion (grp.ParentGroup, pos, grp, objToFindParent, objToFindIndex, insertingPosition);
}
public void DrawSeparators(Gdk.Rectangle exposedArea, DockGroup currentHandleGrp, int currentHandleIndex, DrawSeparatorOperation oper, List<Gdk.Rectangle> areasList)
{
DrawSeparators (exposedArea, currentHandleGrp, currentHandleIndex, oper, true, areasList);
}
public void Draw(Gdk.Rectangle exposedArea, DockGroup currentHandleGrp, int currentHandleIndex)
{
if (type != DockGroupType.Tabbed) {
DrawSeparators (exposedArea, currentHandleGrp, currentHandleIndex, DrawSeparatorOperation.Draw, false, null);
foreach (DockObject it in VisibleObjects) {
DockGroup grp = it as DockGroup;
if (grp != null)
grp.Draw (exposedArea, currentHandleGrp, currentHandleIndex);
}
}
}
DockGroupItem Split(DockGroupType newType, bool addFirst, DockItem obj, int npos)
{
DockGroupItem item = new DockGroupItem (Frame, obj);
if (npos == -1 || type == DockGroupType.Tabbed) {
if (ParentGroup != null && ParentGroup.Type == newType) {
// No need to split. Just add the new item as a sibling of this one.
int i = ParentGroup.Objects.IndexOf (this);
if (addFirst)
ParentGroup.Objects.Insert (i, item);
else
ParentGroup.Objects.Insert (i+1, item);
item.ParentGroup = ParentGroup;
item.ResetDefaultSize ();
}
else {
DockGroup grp = Copy ();
dockObjects.Clear ();
if (addFirst) {
dockObjects.Add (item);
dockObjects.Add (grp);
} else {
dockObjects.Add (grp);
dockObjects.Add (item);
}
item.ParentGroup = this;
item.ResetDefaultSize ();
grp.ParentGroup = this;
grp.ResetDefaultSize ();
Type = newType;
}
}
else {
DockGroup grp = new DockGroup (Frame, newType);
DockObject replaced = dockObjects[npos];
if (addFirst) {
grp.AddObject (item);
grp.AddObject (replaced);
} else {
grp.AddObject (replaced);
grp.AddObject (item);
}
grp.CopySizeFrom (replaced);
dockObjects [npos] = grp;
grp.ParentGroup = this;
}
return item;
}
void GetTabbedGroups(DockGroup grp, List<DockGroup> tabbedGroups)
{
if (grp.Type == DockGroupType.Tabbed)
{
if (grp.VisibleObjects.Count > 1)
tabbedGroups.Add(grp);
else
grp.ResetNotebook();
}
else
{
// Make sure it doesn't have a notebook bound to it
grp.ResetNotebook();
foreach (DockObject ob in grp.Objects)
{
if (ob is DockGroup)
GetTabbedGroups((DockGroup)ob, tabbedGroups);
}
}
}
internal bool InRegion(string location, DockGroup objToFindParent, int objToFindIndex, bool insertingPosition)
{
// Checks if the object is in the specified region.
// A region is a collection with the format: "ItemId1/Position1;ItemId2/Position2..."
string[] positions = location.Split (';');
foreach (string pos in positions) {
// We individually check each entry in the region specification
int i = pos.IndexOf ('/');
if (i == -1) continue;
string id = pos.Substring (0,i).Trim ();
DockGroup g = container.Layout.FindGroupContaining (id);
if (g != null) {
DockPosition dpos;
try {
dpos = (DockPosition) Enum.Parse (typeof(DockPosition), pos.Substring(i+1).Trim(), true);
}
catch {
continue;
}
var refItem = g.FindDockGroupItem (id);
if (InRegion (g, dpos, refItem, objToFindParent, objToFindIndex, insertingPosition))
return true;
}
}
return false;
}
public void Init(DockGroup grp, int index)
{
dockGroup = grp;
dockIndex = index;
}
DockGroup Copy()
{
DockGroup grp = new DockGroup (Frame, type);
grp.dockObjects = new List<Docking.DockObject> (dockObjects);
foreach (DockObject obj in grp.dockObjects)
obj.ParentGroup = grp;
grp.CopySizeFrom (this);
return grp;
}
