/// <summary>
/// Render an items tree by specified item query result.
/// </summary>
/// <param name="items">The item query result.</param>
/// <param name="currentPath">The current data item path.</param>
/// <param name="htmlAttributes">The html attributes for treeview element.</param>
/// <param name="dynamicLoad">Specified the tree node load on demand.</param>
/// <returns></returns>
public static HelperResult Tree(ContentQueryResult items, string currentPath = "", object htmlAttributes = null, bool dynamicLoad = true)
{
return(new HelperResult((w) =>
{
var root = new XElement("ul", new XAttribute("data-role", "tree"));
root.AddHtmlAttributes(htmlAttributes);
AddChildren(root, items, items.View, currentPath);
w.Write(root.OuterXml());
}));
}
/// <summary>
/// Add children nodes to specified parent element.
/// </summary>
/// <param name="parent">The parent xml element.</param>
/// <param name="results">The item query result.</param>
/// <param name="view">The view object</param>
/// <param name="currentPath">The current data item path.</param>
/// <param name="dynamicLoad">Specified the tree node load on demand.</param>
public static void AddChildren(XElement parent, ContentQueryResult results, ContentViewDecorator view, string currentPath, bool dynamicLoad = true)
{
var Url = DNA.Utility.UrlUtility.CreateUrlHelper();
var fieldName = view.Parent.GetDefaultTitleField().Name;
foreach (var item in results)
{
var hasChildren = item.HasChildren;
var element = new XElement("li");
parent.Add(element);
if (hasChildren)
element.Add(new XAttribute("class", "d-node d-node-hasChildren"));
else
element.Add(new XAttribute("class", "d-node"));
var isInPath = false;
if (!string.IsNullOrEmpty(currentPath) && !string.IsNullOrEmpty(item.Path) && currentPath.StartsWith(item.Path))
{
isInPath = true;
if (hasChildren)
element.Add(new XAttribute("data-expanded", "true"));
if (item.Path==currentPath)
element.Add(new XAttribute("data-selected", "true"));
}
element.Add(new XAttribute("data-id", item.ID.ToString()));
if (item.ParentID != Guid.Empty)
element.Add(new XAttribute("data-parentid", item.ParentID.ToString()));
var linkElement = new XElement("a", new XAttribute("href", item.UrlComponent), item[fieldName]);
element.Add(linkElement);
if (hasChildren)
{
if (!isInPath && dynamicLoad)
{
var urlformat = "~/api/{0}/contents/items?name={1}&slug={2}&parentId={3}";
var popupUrl = Url.Content(string.Format(urlformat, view.Parent.Web.Name, view.Parent.Name, view.Name, item.ID.ToString()));
element.Add(new XAttribute("data-popupurl", popupUrl));
}
else
{
var childrenElement = new XElement("ul");
element.Add(childrenElement);
AddChildren(childrenElement, view.Items(string.Format("parentId='{0}'", item.ID.ToString())), view, currentPath);
}
}
}
}
/// <summary>
/// Renders the data items in ContentQueryResult with view template what defined in result's view.
/// </summary>
/// <param name="html">The html helper object.</param>
/// <param name="results">The content query result object.</param>
/// <returns></returns>
public static HelperResult RenderViewTemplate(this HtmlHelper html, ContentQueryResult results)
{
return new HelperResult(w =>
{
var view = results.View;
var body = view.GetBodyTemplate();
if (!string.IsNullOrEmpty(body.Text))
{
#region xslt
if (body.ContentType == TemplateContentTypes.Xslt)
{
var doc = new XDocument(results.Element());
var xslt = new XslCompiledTransform();
if (!string.IsNullOrEmpty(body.Text))
{
try
{
xslt.Load(XmlReader.Create(new StringReader(body.Text)));
var args = new XsltArgumentList();
args.AddParam("appPath", "", App.Get().Context.AppUrl.ToString());
args.AddParam("web", "", view.Parent.Web.Name);
args.AddParam("lang", "", view.Parent.Locale);
args.AddParam("list", "", view.Parent.Name);
args.AddParam("view", "", view.Name);
xslt.Transform(doc.CreateReader(), args, w);
}
catch
{
}
}
return;
}
#endregion
#region razor
if (body.ContentType == TemplateContentTypes.Razor)
{
var viewFile = TemplateHelper.SaveAsView(view.Parent, body.Text, string.Format("_view_{0}_tmpl.cshtml", view.Name));
html.RenderPartial(viewFile);
return;
}
#endregion
#region xml
if (body.ContentType == TemplateContentTypes.Xml)
{
var doc = XDocument.Parse("<dispPattern>" + body.Text + "</dispPattern>");
var elements = doc.Root.Elements();
foreach (var element in elements)
{
if (element.Name == "rows")
{
//var rows = model.Items;
foreach (var row in results)
{
RenderRowPattern(element, w, row);
}
continue;
}
if (element.Name.Equals("col"))
{
RenderColPattern(element, w, view.Parent);
continue;
}
if (element.Name == "html")
{
w.Write(element.Value);
continue;
}
}
return;
}
#endregion
}
});
}
/// <summary>
/// Render the content query results to HTML.
/// </summary>
/// <param name="html">The html helper object.</param>
/// <param name="results">The query results object.</param>
public static void RenderQueryResults(this HtmlHelper html, ContentQueryResult results)
{
html.RenderPartial("~/Views/Contents/_ServerView.cshtml", results);
if (results.View != null && results.View.AllowPaging)
html.ViewContext.Writer.Write(html.Pager(results));
//html.ViewContext.HttpContext.Response.Write();
}
/// <summary>
/// Render HTML pager element for specified content query result.
/// </summary>
/// <param name="html">The html helper object.</param>
/// <param name="model"></param>
/// <param name="htmlAttributes">The html attributes object for the output html element.</param>
/// <returns></returns>
public static HelperResult Pager(this HtmlHelper html, ContentQueryResult model, object htmlAttributes = null)
{
return new HelperResult(writer =>
{
var Url = new UrlHelper(html.ViewContext.RequestContext);
if (model.View.AllowPaging)
{
var maxPageCount = 10;
var curIndex = model.Query.Index;
var startIndex = 1;
var endIndex = maxPageCount * startIndex;
var curPage = (int)Math.Ceiling((decimal)((decimal)curIndex / (decimal)maxPageCount));
if (curPage > 1)
startIndex = (curPage * maxPageCount) - maxPageCount + 1;
endIndex = startIndex + maxPageCount;
if (endIndex > model.Query.TotalPages)
endIndex = model.Query.TotalPages;
var _params = new List<string>();
var queryString = html.ViewContext.RequestContext.HttpContext.Request.QueryString;
if (queryString != null)
{
foreach (var key in queryString.AllKeys)
{
if (key.Equals("index", StringComparison.OrdinalIgnoreCase) || key.Equals("size", StringComparison.OrdinalIgnoreCase))
continue;
_params.Add(string.Format("{0}={1}", key, queryString[key]));
}
}
if (model.Query.TotalPages <=1)
return;
var isLast = curPage * maxPageCount >= model.Query.TotalPages;
var isFirst = startIndex == 1;
var builder = new UriBuilder();
if (isLast)
endIndex++;
var pageElement = new XElement("div", new XAttribute("data-role", "pager"),
new XAttribute("data-index", curIndex - 1));
pageElement.AddHtmlAttributes(htmlAttributes);
if (!isFirst)
{
pageElement.Add(
new XElement("a",
new XAttribute("href", Url.BuildUrl(model.View.Url, _params)),
new XAttribute("title", "Go to first page"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-first"))),
new XElement("a",
new XAttribute("href", Url.Content(model.View.Url) + "?index=" + (curIndex - 1).ToString() + "&size=" + model.Query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Go to prev page"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-prev")))
);
}
for (int i = startIndex; i < endIndex; i++)
{
var pagerItem = new XElement("a", i != curIndex ? i : curIndex);
//if (i == curIndex)
// pagerItem.Add(new XAttribute("class", "d-ui-widget d-button d-state-active"));
//else
pagerItem.Add(new XAttribute("class", "d-ui-widget d-button"));
if (i != curIndex)
pagerItem.Add(new XAttribute("href", Url.Content(model.View.Url) + "?index=" + i.ToString() + "&size=" + model.Query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")));
pageElement.Add(pagerItem);
}
if (!isLast)
{
pageElement.Add(
new XElement("a",
new XAttribute("href", Url.Content(model.View.Url) + "?index=" + (curIndex + 1).ToString() + "&size=" + model.Query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Go to next page"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-next"))),
new XElement("a",
new XAttribute("href", Url.Content(model.View.Url) + "?index=" + (model.Query.TotalPages).ToString() + "&size=" + model.Query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Go to last page"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-last")))
);
}
writer.Write(pageElement.OuterXml());
}
});
}
/// <summary>
/// Render an items tree by specified item query result.
/// </summary>
/// <param name="items">The item query result.</param>
/// <param name="currentPath">The current data item path.</param>
/// <param name="htmlAttributes">The html attributes for treeview element.</param>
/// <param name="dynamicLoad">Specified the tree node load on demand.</param>
/// <returns></returns>
public static HelperResult Tree(ContentQueryResult items, string currentPath = "", object htmlAttributes = null, bool dynamicLoad = true)
{
return new HelperResult((w) =>
{
var root = new XElement("ul", new XAttribute("data-role", "tree"));
root.AddHtmlAttributes(htmlAttributes);
AddChildren(root, items, items.View, currentPath);
w.Write(root.OuterXml());
});
}
/// <summary>
/// Add children nodes to specified parent element.
/// </summary>
/// <param name="parent">The parent xml element.</param>
/// <param name="results">The item query result.</param>
/// <param name="view">The view object</param>
/// <param name="currentPath">The current data item path.</param>
/// <param name="dynamicLoad">Specified the tree node load on demand.</param>
public static void AddChildren(XElement parent, ContentQueryResult results, ContentViewDecorator view, string currentPath, bool dynamicLoad = true)
{
var Url = DNA.Utility.UrlUtility.CreateUrlHelper();
var fieldName = view.Parent.GetDefaultTitleField().Name;
foreach (var item in results)
{
var hasChildren = item.HasChildren;
var element = new XElement("li");
parent.Add(element);
if (hasChildren)
{
element.Add(new XAttribute("class", "d-node d-node-hasChildren"));
}
else
{
element.Add(new XAttribute("class", "d-node"));
}
var isInPath = false;
if (!string.IsNullOrEmpty(currentPath) && !string.IsNullOrEmpty(item.Path) && currentPath.StartsWith(item.Path))
{
isInPath = true;
if (hasChildren)
{
element.Add(new XAttribute("data-expanded", "true"));
}
if (item.Path == currentPath)
{
element.Add(new XAttribute("data-selected", "true"));
}
}
element.Add(new XAttribute("data-id", item.ID.ToString()));
if (item.ParentID != Guid.Empty)
{
element.Add(new XAttribute("data-parentid", item.ParentID.ToString()));
}
var linkElement = new XElement("a", new XAttribute("href", item.UrlComponent), item[fieldName]);
element.Add(linkElement);
if (hasChildren)
{
if (!isInPath && dynamicLoad)
{
var urlformat = "~/api/{0}/contents/items?name={1}&slug={2}&parentId={3}";
var popupUrl = Url.Content(string.Format(urlformat, view.Parent.Web.Name, view.Parent.Name, view.Name, item.ID.ToString()));
element.Add(new XAttribute("data-popupurl", popupUrl));
}
else
{
var childrenElement = new XElement("ul");
element.Add(childrenElement);
AddChildren(childrenElement, view.Items(string.Format("parentId='{0}'", item.ID.ToString())), view, currentPath);
}
}
}
}