CheckState CheckStateGetterMethod(object x)
{
System.Diagnostics.Debug.Assert(x is CheckedModelItem);
CheckedModelItem o = (CheckedModelItem)x;
CheckState cs;
if (o.IsChecked)
{
cs = CheckState.Checked;
}
else if (o.IsCheckedViaInheritance)
{
cs = CheckState.Indeterminate;
}
else
{
cs = CheckState.Unchecked;
}
if (GetterFilter != null)
{
return(GetterFilter(o, cs));
}
else
{
return(cs);
}
}
void RefreshObjectAndChildrenRecurse(CheckedModelItem lvo)
{
foreach (CheckedModelItem child in mTreeView.GetChildren(lvo))
{
child.ResetParent(lvo);
RefreshObjectAndChildrenRecurse(child);
}
mTreeView.RefreshObject(lvo);
}
public void UpdateCheckedByInheritance()
{
mIsCheckedViaInheritance = false;
CheckedModelItem cmi = mParent;
while (!mIsCheckedViaInheritance && cmi != null)
{
if (cmi.IsChecked)
{
mIsCheckedViaInheritance = true;
}
cmi = cmi.mParent;
}
}
CheckState CheckStateSetterMethod(object x, CheckState checkState)
{
System.Diagnostics.Debug.Assert(x is CheckedModelItem);
bool check = checkState == CheckState.Checked;
CheckState ret = CheckState.Unchecked;
CheckedModelItem o = (CheckedModelItem)x;
if (!o.IsCheckedViaInheritance)
{
if (check && !mAllowMultipleCheckedItems)
{
foreach (CheckedModelItem lvo in mTreeView.CheckedObjects)
{
lvo.IsChecked = false;
RefreshObjectAndChildrenRecurse(lvo);
}
}
o.IsChecked = check;
ret = check ? CheckState.Checked : CheckState.Unchecked;
if (check)
{
if (SelectedObjectAdded != null)
{
SelectedObjectAdded(this, o);
}
}
else
{
if (SelectedObjectRemoved != null)
{
SelectedObjectRemoved(this, o);
}
}
}
else
{
ret = CheckState.Indeterminate;
}
RefreshObjectAndChildrenRecurse(o);
return(SetterFilter != null?SetterFilter(o, ret) : ret);
}
public void ResetParent(CheckedModelItem parent)
{
mIsChecked = false;
mParent = parent;
UpdateCheckedByInheritance();
}
public CheckedModelItem( CheckedModelItem parent )
{
ResetParent( parent );
}
void RefreshObjectAndChildrenRecurse( CheckedModelItem lvo )
{
foreach ( CheckedModelItem child in mTreeView.GetChildren( lvo ) )
{
child.ResetParent( lvo );
RefreshObjectAndChildrenRecurse( child );
}
mTreeView.RefreshObject( lvo );
}
public void ResetParent(CheckedModelItem parent)
{
mIsChecked = false;
mParent = parent;
UpdateCheckedByInheritance();
}
public CheckedModelItem(CheckedModelItem parent)
{
ResetParent(parent);
}
