public void AddDescribableTreeNode(TreeNode node)
{
RemoveDescribableTreeNode(node); // ensure no duplicate
var describedTreeNode = new DescribableTreeNode(node);
bool inserted = false;
foreach (DescribableTreeNode describableTreeNode in DescribableTreeNodes)
{
if (node.IsBefore(describableTreeNode.TreeNode))
{
var i = DescribableTreeNodes.IndexOf(describableTreeNode);
if (!m_BackupTreeNodes.Contains(describedTreeNode))
{
m_BackupTreeNodes.Insert(i, describedTreeNode);
}
DescribableTreeNodes.Insert(i, describedTreeNode);
inserted = true;
break;
}
}
if (!inserted)
{
if (!m_BackupTreeNodes.Contains(describedTreeNode))
{
m_BackupTreeNodes.Add(describedTreeNode);
}
DescribableTreeNodes.Add(describedTreeNode);
}
}
public void InitWithBackupTreeNodes(bool showEmptyAlt)
{
DescribableTreeNodes.Clear();
foreach (DescribableTreeNode describedTreeNode in m_BackupTreeNodes)
{
if (showEmptyAlt)
{
DescribableTreeNodes.Add(describedTreeNode);
}
else
{
TreeNode treeNode = describedTreeNode.TreeNode;
if (treeNode.HasXmlProperty)
{
string localName = treeNode.GetXmlElementLocalName();
if (localName.Equals("img", StringComparison.OrdinalIgnoreCase)
//|| localName.Equals("video", StringComparison.OrdinalIgnoreCase)
)
{
XmlAttribute xmlAttr = treeNode.GetXmlProperty().GetAttribute("alt");
if (xmlAttr != null && !String.IsNullOrEmpty(xmlAttr.Value))
{
DescribableTreeNodes.Add(describedTreeNode);
}
}
}
}
}
}
public void RemoveDescribableTreeNode(TreeNode node)
{
DescribableTreeNode toRemove = null;
foreach (DescribableTreeNode describableTreeNode in DescribableTreeNodes)
{
if (describableTreeNode.TreeNode == node)
{
toRemove = describableTreeNode;
break;
}
}
if (toRemove != null)
{
if (m_BackupTreeNodes.Contains(toRemove))
{
m_BackupTreeNodes.Remove(toRemove);
}
DescribableTreeNodes.Remove(toRemove);
}
}
