/// <summary>
/// Генерировать HTML-код атрибутов данных
/// </summary>
protected string GenDataAttrsHtml(IWebTreeNode webTreeNode)
{
const string DataAttrTemplate = " data-{0}='{1}'";
StringBuilder sbHtml = new StringBuilder();
sbHtml.Append(string.Format(DataAttrTemplate, "script", webTreeNode.Script));
sbHtml.Append(string.Format(DataAttrTemplate, "level", webTreeNode.Level));
if (webTreeNode.DataAttrs != null)
{
foreach (KeyValuePair <string, string> pair in webTreeNode.DataAttrs)
{
if (!string.IsNullOrWhiteSpace(pair.Key))
{
sbHtml.Append(string.Format(DataAttrTemplate, pair.Key, pair.Value));
}
}
}
return(sbHtml.ToString());
}
/// <summary>
/// Renders HTML for the node data attributes.
/// </summary>
protected string RenderDataAttrs(IWebTreeNode webTreeNode)
{
const string DataAttrTemplate = " data-{0}='{1}'";
StringBuilder sbAttr = new();
sbAttr.AppendFormat(DataAttrTemplate, "level", webTreeNode.Level);
if (webTreeNode.DataAttrs != null)
{
foreach (KeyValuePair <string, string> pair in webTreeNode.DataAttrs)
{
if (!string.IsNullOrWhiteSpace(pair.Key))
{
string val = pair.Key.EndsWith("url", StringComparison.OrdinalIgnoreCase)
? urlHelper.Content(pair.Value)
: pair.Value;
sbAttr.AppendFormat(DataAttrTemplate, pair.Key, val);
}
}
}
return(sbAttr.ToString());
}
/// <summary>
/// Рекурсивно генерировать HTML-код дерева
/// </summary>
protected string GenTreeViewHtml(IList treeNodes, object selObj, Options options, bool topLevel)
{
const string NodeTemplate =
"<a class='node{0}' href='{1}' {2}>" +
"<div class='node-items'>" +
"<div class='indent'></div>" +
"<div class='expander left{3}'></div>" +
"<div class='stateIcon'></div>" +
"<div class='icon'>{4}</div>" +
"<div class='text'>{5}</div>" +
"<div class='expander right{3}'></div>" +
"</div></a>";
const string IconTemplate = "<img src='{0}' alt='' />";
StringBuilder sbHtml = new StringBuilder();
sbHtml.AppendLine(topLevel ?
"<div class='tree-view'>" :
"<div class='child-nodes'>");
if (treeNodes != null)
{
foreach (object treeNode in treeNodes)
{
IWebTreeNode webTreeNode = treeNode as IWebTreeNode;
if (webTreeNode != null)
{
bool containsSubitems = webTreeNode.Children.Count > 0;
bool urlIsEmpty = string.IsNullOrEmpty(webTreeNode.Url);
string nodeCssClass = (webTreeNode.IsSelected(selObj) ? " selected" : "") +
(!containsSubitems && urlIsEmpty ? " disabled" : "");
string dataAttrs = GenDataAttrsHtml(webTreeNode);
string expanderCssClass = containsSubitems ? "" : " empty";
string icon;
if (options.ShowIcons)
{
string iconUrl = string.IsNullOrEmpty(webTreeNode.IconUrl) ?
(containsSubitems ? options.FolderImageUrl : options.DocumentImageUrl) :
webTreeNode.IconUrl;
icon = string.Format(IconTemplate, iconUrl);
}
else
{
icon = "";
}
sbHtml.AppendLine(string.Format(NodeTemplate,
nodeCssClass, webTreeNode.Url, dataAttrs, expanderCssClass, icon, HttpUtility.HtmlEncode(webTreeNode.Text)));
if (containsSubitems)
{
sbHtml.Append(GenTreeViewHtml(webTreeNode.Children, selObj, options, false));
}
}
}
}
sbHtml.AppendLine("</div>");
return(sbHtml.ToString());
}
/// <summary>
/// Рекурсивно генерировать HTML-код дерева
/// </summary>
protected string GenTreeViewHtml(IList treeNodes, object selObj, Options options, bool topLevel)
{
/*const string NodeTemplate =
* "<a class='node{0}' href='{1}' {2}>" +
* "<div class='node-items'>" +
* "<div class='indent'></div>" +
* "<div class='expander left{3}'></div>" +
* "<div class='stateIcon'></div>" +
* "<div class='icon'>{4}</div>" +
* "<div class='text'>{5}</div>" +
* "<div class='expander right{3}'></div>" +
* "</div></a>";*/
const string NodeTemplate = "<a href='{0}' ><i>{1}</i> {2} {3}</a>";
const string IconTemplate = "<img src='{0}' alt='' />";
StringBuilder sbHtml = new StringBuilder();
if (treeNodes != null)
{
foreach (object treeNode in treeNodes)
{
IWebTreeNode webTreeNode = treeNode as IWebTreeNode;
if (webTreeNode != null)
{
bool containsSubitems = webTreeNode.Children.Count > 0;
bool urlIsEmpty = string.IsNullOrEmpty(webTreeNode.Url);
string nodeCssClass = (webTreeNode.IsSelected(selObj) ? "active" : "") +
(!containsSubitems && urlIsEmpty ? " disabled" : "");
string childs = "";
if (containsSubitems)
{
childs = GenTreeViewHtml(webTreeNode.Children, selObj, options, false);
if (childs.Contains("active"))
{
nodeCssClass = "active";
}
}
sbHtml.AppendLine("<li class='").Append(nodeCssClass).Append("' >");
string dataAttrs = GenDataAttrsHtml(webTreeNode);
string expanderCssClass = containsSubitems ? "" : " empty";
string icon;
if (options.ShowIcons)
{
string iconUrl = string.IsNullOrEmpty(webTreeNode.IconUrl) ?
(containsSubitems ? options.FolderImageUrl : options.DocumentImageUrl) :
webTreeNode.IconUrl;
icon = string.Format(IconTemplate, iconUrl);
}
else
{
icon = "";
}
/*sbHtml.AppendLine(string.Format(NodeTemplate,
* nodeCssClass, webTreeNode.Url, dataAttrs, expanderCssClass, icon, HttpUtility.HtmlEncode(webTreeNode.Text)));*/
sbHtml.AppendLine(string.Format(NodeTemplate,
webTreeNode.Url, icon, HttpUtility.HtmlEncode(webTreeNode.Text), containsSubitems?
"<span class='pull-right-container'><i class='fa fa-angle-left pull-right'></i></span>"
:""));
if (containsSubitems)
{
sbHtml.AppendLine("<ul class='treeview-menu'>");
sbHtml.Append(childs);
sbHtml.AppendLine("</ul>");
}
sbHtml.AppendLine("</li>");
}
}
}
return(sbHtml.ToString());
}
