public ColumnManager(IController parent, IColumnManagerOwner owner)
: base(parent)
{
Owner = owner;
if (Owner != null)
{
Scrollbar = Owner.HScrollBar;
}
Columns = new DataGridColumnCollection();
m_Observable = new Observable <EventMessage> ();
}
public void SetWidth(float width, float boundsWidth, DataGridColumnCollection columns)
{
if (m_Width > 0 && m_Width <= 1)
{
//m_Width = Math.Min(0.9f, (float)width / (float)boundsWidth);
float totalWidth = 0f;
foreach (var col in columns)
{
totalWidth += col.AbsoluteWidth(boundsWidth);
}
float ratio = totalWidth / (float)boundsWidth;
float total2 = 0;
if (Math.Abs(ratio - 1f) > float.Epsilon)
{
foreach (var col in columns)
{
if (col != this)
{
col.Width /= ratio;
float absw = col.AbsoluteWidth(boundsWidth);
if (absw < col.MinWidth)
{
col.Width *= col.MinWidth / absw;
}
}
total2 += col.AbsoluteWidth(boundsWidth);
}
}
if (total2 > boundsWidth)
{
m_Width *= boundsWidth / total2;
}
}
else
{
m_Width = width;
}
}
protected override void CleanupManagedResources()
{
ColumnCollection = null;
base.CleanupManagedResources();
}