public OutlineNode NextSibling(UString title)
{
if (_nextSibling != null)
{
throw new InvalidOperationException();
}
return(_nextSibling = new OutlineNode(this._parent, this._value + 1, title));
}
public OutlineNode FirstChild(UString title)
{
if (_firstChild != null)
{
throw new InvalidOperationException();
}
return(_firstChild = new OutlineNode(this, 1, title));
}
private void Visit(PdfOutline parentOutline, OutlineNode node)
{
if (node == null)
{
return;
}
var counterString = Path(node);
var thisOutline = new PdfOutline(parentOutline, PdfAction.GotoLocalPage(counterString, false), node.Title.ToString());
Visit(thisOutline, node.FirstChild());
Visit(parentOutline, node.NextSibling());
}
private void AppendOutlineNode(int level, UString title)
{
if (level <= 0)
{
throw new ArgumentOutOfRangeException("level");
}
if (title == null)
{
throw new ArgumentNullException("title");
}
//initial
if (_currentNode == null)
{
_initialLevel = level;
_currentNode = new OutlineNode(UString.Empty);
}
//TODO: behave initial level is the maximum(top) level
//update
var currentLevel = _currentNode.Level;
if (level > currentLevel)
{
for (int i = currentLevel; i < level - 1; ++i)
{
_currentNode = _currentNode.FirstChild(UString.Empty);
}
_currentNode = _currentNode.FirstChild(title);
}
else
{
for (int i = level; i < currentLevel; ++i)
{
_currentNode = _currentNode.Parent;
}
_currentNode = _currentNode.NextSibling(title);
}
}
public OutlineNode FirstChild(UString title)
{
if (_firstChild != null) throw new InvalidOperationException();
return _firstChild = new OutlineNode(this, 1, title);
}
private OutlineNode(OutlineNode parent, int initialValue, UString title)
{
_parent = parent;
_value = initialValue;
_title = title;
}
private void Visit(PdfOutline parentOutline, OutlineNode node)
{
if (node == null) return;
var counterString = Path(node);
var thisOutline = new PdfOutline(parentOutline, PdfAction.GotoLocalPage(counterString, false), node.Title.ToString());
Visit(thisOutline, node.FirstChild());
Visit(parentOutline, node.NextSibling());
}
private void AppendOutlineNode(int level, UString title)
{
if (level <= 0)
{
throw new ArgumentOutOfRangeException("level");
}
if (title == null)
{
throw new ArgumentNullException("title");
}
//initial
if (_currentNode == null)
{
_initialLevel = level;
_currentNode = new OutlineNode(UString.Empty);
}
//TODO: behave initial level is the maximum(top) level
//update
var currentLevel = _currentNode.Level;
if (level > currentLevel)
{
for (int i = currentLevel; i < level - 1; ++i)
{
_currentNode = _currentNode.FirstChild(UString.Empty);
}
_currentNode = _currentNode.FirstChild(title);
}
else
{
for (int i = level; i < currentLevel; ++i)
{
_currentNode = _currentNode.Parent;
}
_currentNode = _currentNode.NextSibling(title);
}
}
private static string Path(OutlineNode node)
{
var counterString = String.Join(".", node.Path);
return counterString;
}
public void Clear()
{
_currentNode = null;
_initialLevel = 0;
}
public OutlineNode NextSibling(UString title)
{
if (_nextSibling != null) throw new InvalidOperationException();
return _nextSibling = new OutlineNode(this._parent, this._value + 1, title);
}
private OutlineNode(OutlineNode parent, int initialValue, UString title)
{
_parent = parent;
_value = initialValue;
_title = title;
}
public void Clear()
{
_currentNode = null;
_initialLevel = 0;
}
private static string Path(OutlineNode node)
{
var counterString = String.Join(".", node.Path);
return(counterString);
}
