private static MvcHtmlString ForTreeEditor(HtmlHelper Html, FieldItem field, IEntityTree entity, Object htmlAttributes = null)
{
var fact = EntityFactory.CreateOperate(entity.GetType());
var set = entity.GetType().GetValue("Setting") as IEntityTreeSetting;
if (set == null || set.Parent != field.Name)
{
return(null);
}
// 增加前端自定义属性方便修改魔方模板
var atts = htmlAttributes.ToAttrDictionary();
TryAddAttribute(atts, "class", "multiselect");
//var atts = htmlAttributes == null
// ? new RouteValueDictionary()
// : htmlAttributes as IDictionary<String, Object>;
//if(!atts.ContainsKey("class")) atts.Add("class", "multiselect");
var root = entity.GetType().GetValue("Root") as IEntityTree;
// 找到完整菜单树，但是排除当前节点这个分支
var list = root.FindAllChildsExcept(entity as IEntityTree);
var data = new SelectList(list, set.Key, "TreeNodeText", entity[field.Name]);
return(Html.DropDownList(field.Name, data, atts));
}
private void BindNode(IEntityTree tree, string blank, string textName, string valueName)
{
foreach (var item in tree.Childs)
{
this.TypeID.Items.Add(new ListItem(blank + item[textName], item[valueName] + ""));
string blank2 = HttpUtility.HtmlDecode(" " + blank);
this.BindNode(item as IEntityTree, blank2, textName, valueName);
}
}
public void BuildTree(IEntityTree tree, string textName, string valueName)
{
string selectedValue = "0";
this.TypeID.SelectedValue = selectedValue;
this.Controls.Add(this.TypeID);
this.TypeID.Items.Clear();
this.TypeID.Items.Add(new ListItem("请选择 ", "0"));
foreach (var item in tree.Childs)
{
this.TypeID.Items.Add(new ListItem(item[textName] + "", item[valueName] + ""));
string blank = HttpUtility.HtmlDecode(" ");
this.BindNode(item as IEntityTree, blank, textName, valueName);
}
this.TypeID.DataBind();
}
private static IHtmlContent ForTreeEditor(IHtmlHelper Html, FieldItem field, IEntityTree entity)
{
//var fact = EntityFactory.CreateOperate(entity.GetType());
var set = entity.GetType().GetValue("Setting") as IEntityTreeSetting;
if (set == null || set.Parent != field.Name)
{
return(null);
}
var root = entity.GetType().GetValue("Root") as IEntityTree;
// 找到完整菜单树，但是排除当前节点这个分支
var list = root.FindAllChildsExcept(entity);
var data = new SelectList(list, set.Key, "TreeNodeText", entity[field.Name]);
return(Html.DropDownList(field.Name, data, new { @class = "multiselect" }));
}
public static async Task <TModel> AddItemAsync <TModel>(this IEntityTree entity, int?parent, Expression <Func <TModel, bool> > filter, string format = null) where TModel : class, IEntityTree, new()
{
var _ordem = 0;
var dataService = AppHelper.Resolve <DbDataContext>();
var _path = "";
var _level = 0;
var _count = await dataService.CountAsync <TModel>(filter);
_count++;
var nivel = _count;
_ordem = nivel * 1000;
_path = $"{_count}";
if (parent != null)
{
var _parent = await dataService.LoadAsync <TModel>(parent);
_ordem = (_parent.Ordem + _count) + 1;
_level = _parent.Level;
_path = _parent.Path;
_path = $"{_path}.{_count}";
}
if (format != null)
{
_path = ApplyFormat(_level, _count, _path, format);
}
var record = new TModel();
_level++;
record.InitPath(_path, _level);
record.Ancestral = parent;
record.Ordem = _ordem;
return(record);
}
