/// <summary>
/// Inserts drag&drop item at specified position.
/// </summary>
/// <param name="containerItem">Container item.</param>
/// <param name="objItem">Item being inserted</param>
/// <param name="iPos">Insertion position</param>
/// <param name="Before">Indicates whether item is inserted before the specified insertion position</param>
public static void InsertItemAt(BaseItem containerItem, BaseItem objItem, int iPos, bool Before)
{
if(containerItem.ExpandedItem()!=null)
{
containerItem.ExpandedItem().Expanded=false;
}
if(!Before)
{
if(iPos+1>=containerItem.SubItems.Count)
{
containerItem.SubItems.Add(objItem,GetAppendPosition(containerItem));
}
else
{
containerItem.SubItems.Add(objItem,iPos+1);
}
}
else
{
if(iPos>=containerItem.SubItems.Count)
{
containerItem.SubItems.Add(objItem, GetAppendPosition(containerItem));
}
else
{
containerItem.SubItems.Add(objItem,iPos);
}
}
if(containerItem.ContainerControl is Bar)
((Bar)containerItem.ContainerControl).RecalcLayout();
else if(containerItem.ContainerControl is MenuPanel)
((MenuPanel)containerItem.ContainerControl).RecalcSize();
else if(containerItem.ContainerControl is BarBaseControl)
((BarBaseControl)containerItem.ContainerControl).RecalcLayout();
else if(containerItem.ContainerControl is ItemControl)
((ItemControl)containerItem.ContainerControl).RecalcLayout();
else
{
containerItem.RecalcSize();
containerItem.Refresh();
}
}
protected internal override void OnSubItemExpandChange(BaseItem objChildItem)
{
base.OnSubItemExpandChange(objChildItem);
ExplorerBar exbar=this.ContainerControl as ExplorerBar;
try
{
if(exbar!=null && exbar.AnimationEnabled)
{
TimeSpan totalAnimationTime = new TimeSpan(0, 0, 0, 0, exbar.AnimationTime);
_Animating=true;
int iStep=1;
DateTime startTime=DateTime.Now;
if(objChildItem.Expanded)
{
int initalHeight=objChildItem.HeightInternal;
objChildItem.RecalcSize();
int targetHeight=objChildItem.HeightInternal;
for(int i=initalHeight;i<targetHeight;i+=iStep)
{
DateTime startPerMove = DateTime.Now;
objChildItem.HeightInternal=i;
foreach(BaseItem item in objChildItem.SubItems)
{
if(!objChildItem.DisplayRectangle.Contains(item.DisplayRectangle))
item.Displayed=false;
else
item.Displayed=true;
}
for(int pos=this.SubItems.IndexOf(objChildItem)+1;pos<this.SubItems.Count;pos++)
this.SubItems[pos].TopInternal+=iStep;
// float perc=(float)i/targetHeight+1;
// iStep=(int)Math.Exp(perc);
exbar.Refresh();
TimeSpan elapsedPerMove = DateTime.Now - startPerMove;
TimeSpan elapsedTime = DateTime.Now - startTime;
int totalMs = (int)(totalAnimationTime - elapsedTime).TotalMilliseconds;
if (totalMs <= 0)
{
iStep=targetHeight-i;
}
else if (totalMs == 0)
iStep=1;
else
{
iStep=(targetHeight-i)*(int)elapsedPerMove.TotalMilliseconds / totalMs;
if(iStep<=0) iStep=1;
}
if(iStep<=0)
iStep=targetHeight-i;
}
}
else
{
int initalHeight=objChildItem.HeightInternal;
objChildItem.RecalcSize();
int targetHeight=objChildItem.HeightInternal;
for(int i=initalHeight;i>targetHeight;i-=iStep)
{
DateTime startPerMove = DateTime.Now;
objChildItem.HeightInternal=i;
foreach(BaseItem item in objChildItem.SubItems)
{
if(!objChildItem.DisplayRectangle.Contains(item.DisplayRectangle))
item.Displayed=false;
else
item.Displayed=true;
}
for(int pos=this.SubItems.IndexOf(objChildItem)+1;pos<this.SubItems.Count;pos++)
this.SubItems[pos].TopInternal-=iStep;
// float perc=(float)targetHeight/i+1;
// iStep=(int)Math.Exp(perc);
exbar.Refresh();
TimeSpan elapsedPerMove = DateTime.Now - startPerMove;
TimeSpan elapsedTime = DateTime.Now - startTime;
if ((totalAnimationTime - elapsedTime).TotalMilliseconds <= 0)
{
iStep=i-targetHeight;
}
else if((totalAnimationTime - elapsedTime).TotalMilliseconds==0)
iStep=1;
else
{
iStep=(i-targetHeight)*(int)elapsedPerMove.TotalMilliseconds / Math.Max(1,(int)((totalAnimationTime - elapsedTime).TotalMilliseconds));
if(iStep<=0) iStep=1;
}
if(iStep<=0)
iStep=i-targetHeight;
}
}
}
}
finally
{
_Animating=false;
}
if(exbar!=null)
exbar.RecalcLayout();
}
private void LayoutBaseItem(BaseItem item)
{
Size size = new Size();
Rectangle bounds = Rectangle.Empty;
if (_FixedTabSize.Width <= 0 || _FixedTabSize.Height <= 0 || item is ButtonItem && !((ButtonItem)item).FixedSize.IsEmpty)
{
item.RecalcSize();
size = item.Bounds.Size;
size.Width += _TabLayoutOffset.Width;
size.Height += _TabLayoutOffset.Height;
size.Width += _TabStripItem.ItemPadding.Horizontal;
size.Height += _TabStripItem.ItemPadding.Vertical;
}
if (_FixedTabSize.Width > 0)
size.Width = _FixedTabSize.Width;
if (_FixedTabSize.Height > 0)
size.Height = _FixedTabSize.Height;
if (!(item is ButtonItem && !((ButtonItem)item).FixedSize.IsEmpty))
{
bounds.Size = size;
item.Bounds = bounds;
}
if (item.Stretch == false)
_List[item] = size;
}
/// <summary>
/// Performs individual running layout processing for the given BaseItem
/// </summary>
/// <param name="item">Item to Layout</param>
/// <param name="size">Running Layout Size</param>
/// <param name="recalc">Whether a recalcSize is needed</param>
/// <returns>New running Size</returns>
private Size LayoutItem(BaseItem item, Size size, bool recalc)
{
if (item.Visible == true)
{
// Recalc if requested
if (recalc == true)
item.RecalcSize();
// If this is the first item, then give
// us a little padding around the ControlBox
if (size.IsEmpty == true)
{
if (Orientation == eOrientation.Horizontal)
size.Width += 5;
else
size.Height += 5;
}
// Get the item Bounds
Rectangle r = new Rectangle(Bounds.X, Bounds.Y, item.WidthInternal, item.HeightInternal);
// Set the item location
if (_TabStripItem.IsVertical == true)
{
r.Y += size.Height;
r.X += (Bounds.Width - r.Width) / 2;
}
else
{
r.X += size.Width;
r.Y += (Bounds.Height - r.Height) / 2;
}
// Set the Bounds
item.Bounds = r;
// Set the item Size
if (_TabStripItem.IsVertical == true)
{
size.Height += item.HeightInternal + 2;
if (item.WidthInternal > size.Width)
size.Width = item.WidthInternal;
}
else
{
size.Width += item.WidthInternal + 2;
if (item.HeightInternal > size.Height)
size.Height = item.HeightInternal;
}
// Set its display status
if (DesignMode == false)
item.Displayed = true;
}
return (size);
}