public static void AssignSubMenu(List <Element> Links, RawMenu ParentMenu)
{
var commonparent = DomService.FindParent(Links);
foreach (var item in Links)
{
var menu = new RawMenu();
menu.Parent = ParentMenu;
menu.LinkElement = item;
menu.ContainerElement = FindLinkContainer(item, Links, commonparent);
menu.Parent = ParentMenu;
ParentMenu.Children.Add(menu);
}
foreach (var item in ParentMenu.Children)
{
var sublinks = FindSubLinks(item);
if (sublinks != null && sublinks.Count() > 0)
{
var itemcontainer = DomService.FindParent(sublinks);
AssignSubMenu(sublinks, item);
}
}
return;
}
/// <summary>
/// Convert one group of links into menu, links must be within one group.
/// </summary>
/// <param name="links"></param>
/// <param name="website"></param>
/// <param name="IncludeParentInTemplate"></param>
/// <param name="maxsiblingindex">if this links group share parents with another link group, should only check sub menu till end of next sibling start. </param>
/// <returns></returns>
public static Menu ConvertToMenu(List <Element> links, WebSite website)
{
bool includeparentintemplate = true;
int maxsilbingindex = 9999;
links = links.OrderBy(o => o.location.openTokenStartIndex).ToList();
Element commonparent = DomService.FindParent(links);
var lastlink = links.LastOrDefault();
TestTemplate(ref includeparentintemplate, ref maxsilbingindex, commonparent, lastlink);
return(ConvertToMenu(links, commonparent, includeparentintemplate, website, maxsilbingindex));
}
private static Element _GetItemContainer(Document doc, MenuViewModel MenuViewModel)
{
// find the item container.
if (!string.IsNullOrEmpty(MenuViewModel.ItemContainer))
{
var itemcontainer = DomService.GetElementByKoobooId(doc, MenuViewModel.ItemContainer) as Element;
if (itemcontainer != null)
{
return(itemcontainer);
}
}
List <Element> containerlist = new List <Element>();
foreach (var item in MenuViewModel.children)
{
if (!string.IsNullOrEmpty(item.ContainerElement))
{
var element = DomService.GetElementByKoobooId(doc, item.ContainerElement) as Element;
if (element != null)
{
containerlist.Add(element);
}
}
}
if (containerlist.Count == 0)
{
foreach (var item in MenuViewModel.children)
{
var element = DomService.GetElementByKoobooId(doc, item.LinkElement) as Element;
if (element != null)
{
containerlist.Add(element);
}
}
}
if (containerlist.Count > 1)
{
var element = DomService.FindParent(containerlist);
if (element != null)
{
MenuViewModel.ItemContainer = DomService.GetKoobooId(element);
}
return(element);
}
return(null);
}
internal static List <Element> GetSiblingSubLinks(Element CurrentContainer, Element NextContainer)
{
List <Node> BetweenNodes = new List <Node>();
int MaxSiblingIndex = 9999;
if (NextContainer != null)
{
MaxSiblingIndex = NextContainer.siblingIndex;
var parent = DomService.FindParent(CurrentContainer, NextContainer);
var current = CurrentContainer;
while (current.depth > parent.depth + 1)
{
current = current.parentElement;
}
var next = NextContainer;
while (next.depth > parent.depth + 1)
{
next = next.parentElement;
}
var NodesInBetween = parent.childNodes.item.Where(o => o.siblingIndex > current.siblingIndex && o.siblingIndex < next.siblingIndex).ToList();
var alllinks = DomService.GetElementsByTagName(NodesInBetween, "a").item;
if (alllinks.Count() > 0)
{
var group = GroupBy(alllinks);
return(group[0]);
}
}
else
{
var parent = CurrentContainer.parentElement;
var NodesInBetween = parent.childNodes.item.Where(o => o.siblingIndex > CurrentContainer.siblingIndex).ToList();
var alllinks = DomService.GetElementsByTagName(NodesInBetween, "a").item;
if (alllinks.Count() > 0)
{
var group = GroupBy(alllinks);
return(group[0]);
}
}
return(null);
}
public static string DetectKoobooId(Document dom, List <string> SubLinks)
{
var allinks = dom.getElementsByTagName("a").item;
var GroupbyLinks = MenuService.SimpleGroupBy(allinks);
bool match = true;
bool onetimedismatch = false;
foreach (var item in GroupbyLinks)
{
var allgrouplinks = item.Select(o => o.getAttribute("href"));
match = false;
foreach (var link in SubLinks)
{
if (allgrouplinks.Any(o => IsSameUrl(o, link)))
{
match = true;
}
else
{
if (!onetimedismatch)
{
onetimedismatch = true;
}
else
{
match = false;
break;
}
}
}
if (match)
{
var commoneparent = DomService.FindParent(item);
if (commoneparent != null)
{
return(DomService.GetKoobooId(commoneparent));
}
}
}
return(null);
}
/// <summary>
/// convert one parent with sub links into a menu....
/// </summary>
/// <param name="links"></param>
/// <param name="CommonParent"></param>
/// <param name="IncludeParentInTemplate"></param>
/// <param name="website"></param>
/// <returns></returns>
public static Menu ConvertToMenu(List <Element> links, Element CommonParent, bool IncludeParentInTemplate, WebSite website, int maxsiblingindex = 9999)
{
Menu menu = new Menu();
links = links.OrderBy(o => o.location.openTokenStartIndex).ToList();
List <Element> Parents = new List <Element>();
int count = links.Count;
for (int i = 0; i < count; i++)
{
var parent = links[i];
while (!parent.parentElement.isEqualNode(CommonParent) && parent != null)
{
parent = parent.parentElement;
}
Parents.Add(parent);
}
menu.tempdata.StartIndex = Parents[0].location.openTokenStartIndex;
menu.tempdata.EndIndex = Parents[count - 1].location.endTokenEndIndex;
for (int i = 0; i < count; i++)
{
var parent = Parents[i];
var linkelement = links[i];
Menu submenu = ConvertToMenu(parent, links[i], website);
if (submenu.children.Count == 0)
{
int nextSiblingEnds = maxsiblingindex;
if (i < count - 1)
{
var nextparent = Parents[i + 1];
nextSiblingEnds = nextparent.siblingIndex;
}
var tempsublinks = FindLinksAfter(CommonParent, links[i], nextSiblingEnds);
/// Check and make sure those sub links are not similar, same level links.
List <Element> sublinks = new List <Element>();
if (tempsublinks.Count > 0)
{
foreach (var item in tempsublinks)
{
if (isSimiliarLink(item, linkelement))
{
break;
}
sublinks.Add(item);
}
var groupbylinks = GroupBy(sublinks);
foreach (var item in groupbylinks)
{
var subcommonparent = DomService.FindParent(item);
bool SubIncludeParent = false;
if (!subcommonparent.isEqualNode(CommonParent) && subcommonparent.depth < CommonParent.depth)
{
SubIncludeParent = true;
}
Menu subsubmenu = ConvertToMenu(item, subcommonparent, SubIncludeParent, website);
submenu.AddSubMenu(subsubmenu);
}
}
}
menu.AddSubMenu(submenu);
}
string menuitemsstring = CommonParent.ownerDocument.HtmlSource.Substring(menu.tempdata.StartIndex, menu.tempdata.EndIndex - menu.tempdata.StartIndex + 1);
if (IncludeParentInTemplate)
{
string tempTemplate = CommonParent.OuterHtml;
menu.Template = tempTemplate.Replace(menuitemsstring, "{items}");
if (CommonParent.location.openTokenStartIndex < menu.tempdata.StartIndex)
{
menu.tempdata.StartIndex = CommonParent.location.openTokenStartIndex;
}
if (CommonParent.location.endTokenEndIndex > menu.tempdata.EndIndex)
{
menu.tempdata.EndIndex = CommonParent.location.endTokenEndIndex;
}
}
else
{
menu.Template = "{items}";
}
return(menu);
}
/// <summary>
/// Convert one link item with its parent element into one menu item...
/// example: Li, a, website..... Convert the a under li tag into one mentu....
/// </summary>
/// <param name="parentElement"></param>
/// <param name="linkElement"></param>
/// <param name="website"></param>
/// <returns></returns>
public static Menu ConvertToMenu(Element parentElement, Element linkElement, WebSite website)
{
Menu menu = new Menu();
string template = parentElement.OuterHtml;
string anchortext = linkElement.InnerHtml;
string href = linkElement.getAttribute("href");
template = template.Replace(linkElement.OuterHtml, ConvertToTemplate(linkElement, href, anchortext));
menu.Template = template;
menu.Name = anchortext;
menu.Url = href;
// Check if there is a submenu....
var alllinks = parentElement.getElementsByTagName("a").item;
if (alllinks.Count > 1)
{
/// there is sub menu...
List <Element> sublinks = new List <Element>();
string mainhref = linkElement.getAttribute("href");
foreach (var item in alllinks)
{
string subhref = item.getAttribute("href");
if (subhref != mainhref)
{
sublinks.Add(item);
}
}
if (sublinks.Count() > 0)
{
int SubGroupStartIndex;
int SubGroupEndIndex;
var groupby = GroupBy(sublinks);
if (groupby.Count == 1)
{
var submenulinks = groupby[0];
SubGroupStartIndex = submenulinks.First().location.openTokenStartIndex;
SubGroupEndIndex = submenulinks.Last().location.endTokenEndIndex;
var subcommonparent = DomService.FindParent(submenulinks);
bool includeparent = true;
if (subcommonparent.isEqualNode(linkElement) || subcommonparent.isEqualNode(parentElement))
{
includeparent = false;
}
var submenu = ConvertToMenu(submenulinks, subcommonparent, includeparent, website);
if (submenu.tempdata.EndIndex > SubGroupEndIndex)
{
SubGroupEndIndex = submenu.tempdata.EndIndex;
}
if (submenu.tempdata.StartIndex < SubGroupStartIndex)
{
SubGroupStartIndex = submenu.tempdata.StartIndex;
}
menu.SubItemContainer = submenu.Template;
// menu.SubItemSeperator = submenu.SubItemSeperator;
menu.children = submenu.children;
}
else
{
SubGroupStartIndex = groupby.First().First().location.openTokenStartIndex;
SubGroupEndIndex = groupby.Last().Last().location.endTokenEndIndex;
foreach (var item in groupby)
{
var commonparent = DomService.FindParent(item);
bool includeparentintemplate = false;
if (!commonparent.isEqualNode(parentElement) && commonparent.depth > parentElement.depth)
{
includeparentintemplate = true;
}
var submenu = ConvertToMenu(item, commonparent, includeparentintemplate, website);
// menu.Template = menu.Template.Replace(submenu.tempdata.TempOriginalText, placeholder);
if (submenu.tempdata.EndIndex > SubGroupEndIndex)
{
SubGroupEndIndex = submenu.tempdata.EndIndex;
}
if (submenu.tempdata.StartIndex < SubGroupStartIndex)
{
SubGroupStartIndex = submenu.tempdata.StartIndex;
}
menu.AddSubMenu(submenu);
}
// try to find the seperator....
List <Element> parents = new List <Element>();
parents.Add(groupby[0].Last());
parents.Add(groupby[1].First());
//var seperatorparent = FindCommonParent(parents);
//var seperator = FindSeperator(parents, seperatorparent);
//if (!string.IsNullOrEmpty(seperator))
//{
// menu.SubItemSeperator = seperator;
//}
}
string subgrouptext = parentElement.ownerDocument.HtmlSource.Substring(SubGroupStartIndex, SubGroupEndIndex - SubGroupStartIndex + 1);
menu.Template = menu.Template.Replace(subgrouptext, "{items}");
}
}
return(menu);
}
