public static string GetToCHtml(List <TableOfContentsItem> toc, TableOfContentsItem selectedTopic)
{
var sb = new StringBuilder();
AddTocItems(sb, toc, 0, selectedTopic);
return(sb.ToString());
}
//private static void CheckTocItems(IEnumerable<TableOfContentsItem> topics, string selectedLink)
//{
// var tableOfContentsItems = topics as TableOfContentsItem[] ?? topics.ToArray();
// foreach (var topic in tableOfContentsItems)
// {
// if (TopicHelper.LinkMatchesTopic(selectedLink, topic))
// {
// var parentTableOfContentsItem = topic.Parent as TableOfContentsItem;
// if (parentTableOfContentsItem != null)
// EnsureExpanded(parentTableOfContentsItem);
// }
// CheckTocItems(topic.Topics, selectedLink);
// }
//}
public static void EnsureExpanded(TableOfContentsItem item)
{
if (item == null)
{
return;
}
item.Expanded = true;
var parentTableOfContentsItem = item.Parent as TableOfContentsItem;
if (parentTableOfContentsItem != null)
{
EnsureExpanded(parentTableOfContentsItem);
}
}
private static void AddTopics(IEnumerable <dynamic> topics, ICollection <TableOfContentsItem> parentTopics, IHaveTopics parent, IHaveTopics root, string selectedTopicTitle, List <TableOfContentsItem> flatTopicList)
{
foreach (var topic in topics)
{
var newTopic = new TableOfContentsItem(parent, root)
{
Title = topic.title ?? "Unknown topic"
};
if (topic.link != null)
{
newTopic.Link = topic.link;
}
if (topic.isExpanded != null)
{
newTopic.Expanded = topic.isExpanded;
}
if (topic.keywords != null)
{
newTopic.KeywordsRaw = topic.keywords;
}
if (topic.settings != null)
{
newTopic.SettingsDynamic = topic.settings;
}
if (topic.type != null)
{
newTopic.Type = topic.type;
}
if (topic.slug != null)
{
newTopic.Slug = topic.slug;
}
if (topic.seeAlso != null)
{
var seeAlsos = ((string)topic.seeAlso).Split('\n'); // Multiple see-also links separated by new-line
foreach (var seeAlso in seeAlsos)
{
var seeAlsoParts = seeAlso.Split('|'); // If title and link are different, they are separated by |
if (seeAlsoParts.Length > 1)
{
newTopic.SeeAlso.Add(new SeeAlsoTopic {
Title = seeAlsoParts[0], Link = seeAlsoParts[1]
});
}
else if (seeAlsoParts.Length > 0)
{
newTopic.SeeAlso.Add(new SeeAlsoTopic {
Title = seeAlsoParts[0], Link = seeAlsoParts[0]
});
}
}
}
parentTopics.Add(newTopic);
flatTopicList.Add(newTopic);
//if (selectedTopicTitle != null && TopicHelper.LinkMatchesTopic(selectedTopicTitle, newTopic))
//{
// if (root is IHaveSelectedTopic selectedTopicParent)
// selectedTopicParent.SelectedTopic = newTopic;
// EnsureExpanded(newTopic);
//}
if (topic.topics != null)
{
AddTopics(topic.topics, newTopic.Topics, newTopic, root, selectedTopicTitle, flatTopicList);
}
}
}
private static void AddTocItems(StringBuilder sb, IEnumerable <TableOfContentsItem> topics, int indentLevel, TableOfContentsItem selectedTopic, TableOfContentsItem parentTopic = null)
{
var ulClasses = "topic-list topic-list-level" + indentLevel;
if (parentTopic != null)
{
ulClasses += parentTopic.Expanded ? " topic-expanded" : " topic-collapsed";
}
sb.Append("<ul class=\"" + ulClasses + "\">");
foreach (var topic in topics)
{
var className = "topic-link topic-level-" + indentLevel;
if (topic == selectedTopic)
{
className += " selected-topic";
}
sb.Append("<li class=\"" + className + "\">");
if (topic.Topics.Count > 0)
{
sb.Append($"<a href=\"{topic.SlugSafe}\" data-slug=\"{topic.Slug}\" data-link=\"{topic.Link}\">{topic.Title}</a>");
var keywords = topic.Keywords;
if (!string.IsNullOrEmpty(keywords))
{
sb.Append($"<span style=\"display: none;\">{topic.Keywords}</span>");
}
sb.Append("<span class=\"caret " + (topic.Expanded ? "caret-expanded" : "caret-collapsed") + "\"><svg xmlns=\"http://www.w3.org/2000/svg\" focusable=\"false\" viewBox=\"0 0 24 24\"><path fill=\"black\" stroke=\"white\" d=\"M8.59 16.34l4.58-4.59-4.58-4.59L10 5.75l6 6-6 6z\"></path></svg></span>");
AddTocItems(sb, topic.Topics, indentLevel + 1, selectedTopic, topic);
}
else
{
sb.Append($"<a href=\"{topic.SlugSafe}\" data-slug=\"{topic.Slug}\" data-link=\"{topic.Link}\">{topic.Title}</a>");
var keywords = topic.Keywords;
if (!string.IsNullOrEmpty(keywords))
{
sb.Append("<span style=\"display: none;\">" + topic.Keywords + "</span>");
}
}
sb.Append("</li>");
}
sb.Append("</ul>");
}
