protected override void CommitProperties()
{
base.CommitProperties();
// Handle a deferred state change request.
if (_currentStateDeferred != null)
{
var newState = _currentStateDeferred;
_currentStateDeferred = null;
CurrentState = newState;
}
// Typically state changes occur immediately, but during
// component initialization we defer until commitProperties to
// reduce a bit of the startup noise.
if (_currentStateChanged && !Initialized)
{
_currentStateChanged = false;
CommitCurrentState();
}
if (_drawingListInvalidated)
{
//Debug.Log("Calling DepthUtil.UpdateDrawingList on " + this);
_drawingListInvalidated = false;
DepthUtil.UpdateDrawingList(this);
}
}
protected override void UpdateDisplayList(float width, float height)
{
//if (Id == "hbox")
// Debug.Log("UpdateDisplayList: " + width + "; " + height);
//if (Id == "contentGroup")
// Debug.Log("GroupBase.UpdateDisplayList: " + width + ", " + height);
base.UpdateDisplayList(width, height);
if (_layoutInvalidateDisplayListFlag)
{
_layoutInvalidateDisplayListFlag = false;
if (_autoLayout && null != _layout)
{
_layout.UpdateDisplayList(width, height);
}
if (null != _layout)
{
_layout.UpdateScrollRect(width, height);
}
}
if (_drawingListInvalidated)
{
//Debug.Log("Calling DepthUtil.UpdateDrawingList on " + this);
_drawingListInvalidated = false;
//DepthUtil.UpdateDrawingList(this);
DepthUtil.UpdateDrawingList(_contentPane ?? this);
}
}
///// <summary>
///// The list of components ordered by child Depth<br/>
///// Used for rendering<br/>
///// The rendering order might have different than layout order
///// </summary>
//public virtual List<DisplayListMember> DrawingList
//{
// get
// {
// return _drawingList;
// }
//}
/// <summary>
/// Updates the depth list which is used for rendering<br/>
/// The depth list is based upon the Depth property of each child<br/>
/// It is the same as the order list if no Depth is defined on each of the children
/// </summary>
internal virtual void InvalidateDrawingList()
{
// display object updates the list immediatelly (there are no invalidation methods)
//if (this is Stage)
// Debug.Log(string.Format(" DOC: Updating drawing list -> {0} [{1}, {2}]", this, _children.Count, _drawingList.Count));
if (AutoUpdateDrawingList)
{
DepthUtil.UpdateDrawingList(this);
}
}
private void CreateContentPane()
{
if (null != _contentPane)
{
return;
}
//Debug.Log("Creating content pane");
CreatingContentPane = true;
var n = NumberOfChildren; // snapshot now
//Debug.Log("CreateContentPane. Number of children: " + n);
System.Collections.Generic.List <DisplayListMember> childrenToMove = new System.Collections.Generic.List <DisplayListMember>();
for (int i = 0; i < n; i++)
{
childrenToMove.Add(base.GetChildAt(i));
//Debug.Log("Will move: " + base.GetChildAt(i));
}
/**
* Content pane is a simple display object
* NOTE: we have to use temp variable here
* The reason is this line below: newPane.AddChild(child);
* If the _contentPane is not null, this changed the flow:
* we are expecting that AddChild() indirectly calls the RemoveChild() on parent (meaning: this container)
* However, if _contentPane alsready set, it will try to remove the child from the pane itself!
* */
#if DEBUG
var newPane = new DisplayObjectContainer
{
Id = "content_pane", // for debugging purposes
X = 0,
Y = 0,
AutoUpdateDrawingList = false,
Visible = true
};
#endif
#if !DEBUG
var newPane = new DisplayObjectContainer
{
X = 0,
Y = 0,
AutoUpdateDrawingList = false,
Visible = true
};
#endif
/**
* Add content pane as a last child
* (cannot use AddChild(_contentPane) here, because it takes the number of
* children internally depending of the pane existance)
* Important:
* Also cannot use AddChildAt, since it would then try to add content pane to the content pane itself
* */
base.AddingChild(newPane);
QAddChildAt(newPane, n);
base.ChildAdded(newPane);
//var mover = new ChildMover(this, _contentPane, numberOfChildren);
//mover.Move();
foreach (DisplayListMember child in childrenToMove)
{
// set the container as a parent
var cmp = child as Component;
//RemoveChild(child); // TODO: remove
newPane.AddChild(child); // AddChild interno zove RemoveChild na OVOM kontejneru. Zbog toga je potrebno da je _contentPane == null
if (null != cmp)
{
cmp.ParentChanged(newPane);
}
//Debug.Log(" ... done");
}
_contentPane = newPane;
//Debug.Log("NumberOfChildren: " + NumberOfChildren);
//Debug.Log("_contentPane.NumberOfChildren: " + _contentPane.NumberOfChildren);
DepthUtil.UpdateDrawingList(this); // important! Cannot call the InvalidateDrawingList here because it will never update the display list of this
//DepthUtil.UpdateDrawingList(_contentPane); // auto update is turned off on the content pane
InvalidateDrawingList(); // same as DepthUtil.UpdateDrawingList(_contentPane) but delayed (so perhaps better for performance)
CreatingContentPane = false;
_contentPane.Visible = true;
}