XList <int> CalculateRow(Topic parent, Topic[] children, MindMapLayoutArgs e)
{
XList <int> listHeight = new XList <int>();
if (!parent.IsRoot)
{
parent.TextSize = CalculateTextSize(parent, e);
listHeight.Add(parent.ContentBounds.Height);
}
XList <int> prevSubListHeight = new XList <int>();
bool isIncrease = parent.IsRoot || parent.Type == TopicType.Barrier;
int i = isIncrease ? 0 : children.Length - 1;
while (i > -1 && i < children.Length)
{
Topic subTopic = children[i];
XList <int> subListHeight = CalculateRow(subTopic, e);
if (subTopic.Type == TopicType.Barrier && prevSubListHeight.Count > 1)
{
prevSubListHeight.RemoveAt(0);
if (subListHeight.IsEmpty)
{
subListHeight.AddRange(prevSubListHeight);
}
else
{
XList <int> savedList = subListHeight;
subListHeight = new XList <int>();
subListHeight.Add(savedList[0]);
subListHeight.AddRange(prevSubListHeight);
savedList.RemoveAt(0);
subListHeight.AddRange(savedList);
}
}
if (parent.Type == TopicType.Barrier || parent.IsRoot)
{
// Append row
listHeight.AddRange(subListHeight);
}
else
{
// Merge rows
for (int k = 0, n = listHeight.Count; k < n; ++k)
{
if (k < subListHeight.Count)
{
listHeight[k] = Math.Max(subListHeight[k], listHeight[k]);
}
else
{
break;
}
}
if (listHeight.Count < subListHeight.Count)
{
for (int k = listHeight.Count, n = subListHeight.Count; k < n; ++k)
{
listHeight.Add(subListHeight[k]);
}
}
}
prevSubListHeight = subListHeight;
if (isIncrease)
{
++i;
}
else
{
--i;
}
}
return(listHeight);
}
public void RemoveFirst()
{
content.RemoveAt(0);
XList.RemoveAt(0);
YList.RemoveAt(0);
}