public override bool Layout(object container, LayoutEventArgs layoutEventArgs)
{
Control parent = container as Control;
if (parent != null && parent.IsHandleCreated && !parent.IsDisposed)
{
int basewidth = parent.DisplayRectangle.Width;
ScrollableControl sc = parent as ScrollableControl;
if (sc != null)
{
if (sc.AutoScroll)
{
basewidth = parent.Width - SystemInformation.VerticalScrollBarWidth - 1;
}
}
int dockLeft = parent.Padding.Left;
int dockRight = parent.Padding.Right;
int dockTop = parent.Padding.Top;
int dockBottom = parent.Padding.Bottom;
bool addControlOrder = false;
ICaptionPanel cp = container as ICaptionPanel;
if (cp != null)
{
addControlOrder = cp.AddControlOrder;
if (!cp.FolderOpened)
{
return(parent.AutoSize);
}
dockLeft += cp.CaptionPadding.Left;
dockRight += cp.CaptionPadding.Right;
dockTop += cp.CaptionPadding.Top;
dockBottom += cp.CaptionPadding.Bottom;
}
dockTop += parent.DisplayRectangle.Y;
dockRight += parent.DisplayRectangle.X;
int fillWidth = 0;
int fillHeight = 0;
DockStyle ds = DockStyle.None;
for (int i = 0; i < parent.Controls.Count; i++)
{
Control c = (addControlOrder) ? parent.Controls[i] : parent.Controls[parent.Controls.Count - 1 - i];
ds = c.Dock;
if (!c.Visible)
{
continue;
}
Size propSize = ((basewidth - dockLeft - dockRight - c.Margin.Horizontal) > 0) ? new Size(basewidth - dockLeft - dockRight - c.Margin.Horizontal, 0) : Size.Empty;
switch (c.Dock)
{
case DockStyle.Top:
{
Size sz = (c.AutoSize) ? c.GetPreferredSize(propSize) : c.Size;
c.SetBounds(dockLeft + c.Margin.Left, dockTop + c.Margin.Top, propSize.Width, sz.Height);
dockTop += sz.Height + c.Margin.Vertical;
fillHeight = 0;
}
break;
case DockStyle.Bottom:
{
Size sz = (c.AutoSize) ? c.GetPreferredSize(propSize) : c.Size;
c.SetBounds(dockLeft + c.Margin.Left, parent.Height - dockBottom - sz.Height - c.Margin.Bottom, propSize.Width, sz.Height);
dockBottom += sz.Height + c.Margin.Vertical;
fillHeight = 0;
}
break;
case DockStyle.Left:
{
Size sz = (c.AutoSize) ? c.GetPreferredSize(Size.Empty) : c.Size;
//Size sz = (c.AutoSize) ? c.GetPreferredSize(new Size(c.Width, 0)) : c.Size;
c.SetBounds(dockLeft + c.Margin.Left, dockTop + c.Margin.Top, sz.Width, parent.Height - dockTop - dockBottom - c.Margin.Vertical);
dockLeft += sz.Width + c.Margin.Horizontal;
fillWidth = 0;
}
break;
case DockStyle.Right:
{
Size sz = (c.AutoSize) ? c.GetPreferredSize(Size.Empty) : c.Size;
//Size sz = (c.AutoSize) ? c.GetPreferredSize(new Size(c.Width, 0)) : c.Size;
c.SetBounds(basewidth - dockRight - sz.Width - c.Margin.Right, dockTop + c.Margin.Top, sz.Width, parent.Height - dockTop - dockBottom - c.Margin.Vertical);
dockRight += sz.Width + c.Margin.Horizontal;
fillWidth = 0;
}
break;
case DockStyle.Fill:
{
if (c.AutoSize)
{
Size sz = c.GetPreferredSize(propSize);
fillWidth = sz.Width;
fillHeight = sz.Height;
sz.Width = Math.Max(sz.Width, basewidth - dockLeft - dockRight - c.Margin.Horizontal);
sz.Height = Math.Max(sz.Height, parent.Height - dockTop - dockBottom - c.Margin.Vertical);
c.SetBounds(dockLeft + c.Margin.Left, dockTop + c.Margin.Top, sz.Width, sz.Height);
}
else
{
Size sz = new Size(basewidth - dockLeft - dockRight - c.Margin.Horizontal, parent.Height - dockTop - dockBottom - c.Margin.Vertical);
fillWidth = sz.Width;
fillHeight = sz.Height;
c.SetBounds(dockLeft + c.Margin.Left, dockTop + c.Margin.Top, sz.Width, sz.Height);
}
}
break;
}
c = null;
}
bool rtn = false;
if (parent.AutoSize)
{
switch (ds)
{
case DockStyle.Top:
case DockStyle.Bottom:
if (dockTop + dockBottom - parent.DisplayRectangle.Y != parent.DisplayRectangle.Height)
{
rtn = true;
}
break;
case DockStyle.Left:
case DockStyle.Right:
if (dockLeft + dockRight - parent.DisplayRectangle.X != basewidth)
{
rtn = true;
}
break;
case DockStyle.Fill:
if ((dockLeft + fillWidth + dockRight - parent.DisplayRectangle.X != basewidth) || (dockTop + fillHeight + dockBottom - parent.DisplayRectangle.Y != parent.DisplayRectangle.Height))
{
rtn = true;
}
break;
case DockStyle.None:
rtn = true;
break;
}
}
parent = null;
sc = null;
cp = null;
return(rtn);
}
return(false);
}
private Size PreLayout(object container, Size proposedSize)
{
Control parent = container as Control;
if (parent != null && parent.IsHandleCreated && !parent.IsDisposed)
{
int basewidth = proposedSize.Width;
ScrollableControl sc = parent as ScrollableControl;
if (sc != null)
{
if (sc.AutoScroll)
{
basewidth -= SystemInformation.VerticalScrollBarWidth;
}
}
int fontheight = parent.Font.Height;
int dockLeft = parent.Padding.Left;
int dockRight = parent.Padding.Right;
int dockTop = parent.Padding.Top;
int dockBottom = parent.Padding.Bottom;
bool addControlOrder = false;
ICaptionPanel cp = container as ICaptionPanel;
if (cp != null)
{
addControlOrder = cp.AddControlOrder;
if (!cp.FolderOpened)
{
return(new Size(cp.CaptionPadding.Left + cp.CaptionPadding.Right, cp.CaptionPadding.Top));
}
dockLeft += cp.CaptionPadding.Left;
dockRight += cp.CaptionPadding.Right;
dockTop += cp.CaptionPadding.Top;
dockBottom += cp.CaptionPadding.Bottom;
}
int sizeHeight = 0;
int sizeWidth = 0;
for (int i = 0; i < parent.Controls.Count; i++)
{
Control ctrl = (addControlOrder) ? parent.Controls[i] : parent.Controls[parent.Controls.Count - 1 - i];
if (!ctrl.Visible)
{
continue;
}
Size propSize = ((basewidth - dockLeft - dockRight - ctrl.Margin.Horizontal) > 0) ? new Size(basewidth - dockLeft - dockRight - ctrl.Margin.Horizontal, 0) : Size.Empty;
switch (ctrl.Dock)
{
case DockStyle.Fill:
{
Size sz = (ctrl.AutoSize) ? ctrl.GetPreferredSize(propSize) : new Size(fontheight, fontheight);
sizeWidth = (int)Math.Max(sizeWidth, sz.Width + dockLeft + dockRight + ctrl.Margin.Horizontal);
sizeHeight = (int)Math.Max(sizeHeight, sz.Height + dockTop + dockBottom + ctrl.Margin.Vertical);
}
break;
case DockStyle.Top:
{
Size sz = ctrl.Size;
if (ctrl.AutoSize)
{
sz = ctrl.GetPreferredSize(propSize);
if (proposedSize.Width == 0)
{
sizeWidth = (int)Math.Max(sizeWidth, sz.Width + dockLeft + dockRight + ctrl.Margin.Horizontal);
}
}
dockTop += (sz.Height + ctrl.Margin.Vertical);
}
break;
case DockStyle.Bottom:
{
Size sz = ctrl.Size;
if (ctrl.AutoSize)
{
sz = ctrl.GetPreferredSize(propSize);
if (proposedSize.Width == 0)
{
sizeWidth = (int)Math.Max(sizeWidth, sz.Width + dockLeft + dockRight + ctrl.Margin.Horizontal);
}
}
dockBottom += (sz.Height + ctrl.Margin.Vertical);
}
break;
case DockStyle.Left:
{
Size sz = ctrl.Size;
if (ctrl.AutoSize)
{
sz = ctrl.GetPreferredSize(Size.Empty);
sizeHeight = (int)Math.Max(sizeHeight, sz.Height + dockTop + dockBottom + ctrl.Margin.Vertical);
}
dockLeft += (sz.Width + ctrl.Margin.Horizontal);
}
break;
case DockStyle.Right:
{
Size sz = ctrl.Size;
if (ctrl.AutoSize)
{
sz = ctrl.GetPreferredSize(Size.Empty);
sizeHeight = (int)Math.Max(sizeHeight, sz.Height + dockTop + dockBottom + ctrl.Margin.Vertical);
}
dockRight += (sz.Width + ctrl.Margin.Horizontal);
}
break;
case DockStyle.None:
{
sizeHeight = (int)Math.Max(sizeHeight, ctrl.Top + ctrl.Height + ctrl.Margin.Bottom);
sizeWidth = (int)Math.Max(sizeWidth, ctrl.Left + ctrl.Width + ctrl.Margin.Right);
}
break;
}
}
Size ps = new Size(Math.Max(sizeWidth, dockLeft + dockRight), Math.Max(dockTop + dockBottom, sizeHeight));
return(ps);
}
return(Size.Empty);
}
