protected CollapsibleElement GetElementToCollapse(out int possibleCollapseStep)
{
possibleCollapseStep = -1;
IList <CollapsibleElement> children = this.CollapsibleChildren;
int count = children.Count;
if (count == 0)
{
return(null);
}
int nextCollapseStep = children[count - 1].CollapseStep + 1;
for (int i = 0; i < children.Count; ++i)
{
nextCollapseStep = Math.Min(children[i].CollapseStep, nextCollapseStep);
}
nextCollapseStep++;
int maxCollapseStep = children[0].CollapseMaxSteps;
for (; nextCollapseStep < maxCollapseStep; ++nextCollapseStep)
{
for (int collapsibleIndex = count - 1; collapsibleIndex >= 0; --collapsibleIndex)
{
CollapsibleElement collapsibleElement = children[collapsibleIndex];
if (collapsibleElement.CanCollapseToStep(nextCollapseStep))
{
possibleCollapseStep = nextCollapseStep;
return(collapsibleElement);
}
}
}
for (int collapsibleIndex = count - 1; collapsibleIndex >= 0; --collapsibleIndex)
{
CollapsibleElement collapsibleElement = children[collapsibleIndex];
if (collapsibleElement.CanCollapseToStep(collapsibleElement.CollapseMaxSteps))
{
possibleCollapseStep = collapsibleElement.CollapseMaxSteps;
return(collapsibleElement);
}
}
return(null);
}
protected CollapsibleElement GetElementToCollapse(out int possibleCollapseStep)
{
possibleCollapseStep = -1;
IList <CollapsibleElement> collapsibleChildren = (IList <CollapsibleElement>) this.CollapsibleChildren;
int count = collapsibleChildren.Count;
if (count == 0)
{
return((CollapsibleElement)null);
}
int val2 = collapsibleChildren[count - 1].CollapseStep + 1;
for (int index = 0; index < collapsibleChildren.Count; ++index)
{
val2 = Math.Min(collapsibleChildren[index].CollapseStep, val2);
}
int nextStep = val2 + 1;
for (int collapseMaxSteps = collapsibleChildren[0].CollapseMaxSteps; nextStep < collapseMaxSteps; ++nextStep)
{
for (int index = count - 1; index >= 0; --index)
{
CollapsibleElement collapsibleElement = collapsibleChildren[index];
if (collapsibleElement.CanCollapseToStep(nextStep))
{
possibleCollapseStep = nextStep;
return(collapsibleElement);
}
}
}
for (int index = count - 1; index >= 0; --index)
{
CollapsibleElement collapsibleElement = collapsibleChildren[index];
if (collapsibleElement.CanCollapseToStep(collapsibleElement.CollapseMaxSteps))
{
possibleCollapseStep = collapsibleElement.CollapseMaxSteps;
return(collapsibleElement);
}
}
return((CollapsibleElement)null);
}