RenderFragment RenderChildren(IEnumerable children, int depth)
{
var level = depth < Levels.Count() ? Levels.ElementAt(depth) : Levels.Last();
return(new RenderFragment(builder =>
{
Func <object, string> text = null;
foreach (var data in children)
{
if (text == null)
{
text = level.Text ?? Getter <string>(data, level.TextProperty);
}
RenderTreeItem(builder, data, level.Template, text, level.HasChildren, level.Expanded, level.Selected);
var hasChildren = level.HasChildren(data);
if (!string.IsNullOrEmpty(level.ChildrenProperty))
{
var grandChildren = PropertyAccess.GetValue(data, level.ChildrenProperty) as IEnumerable;
if (grandChildren != null && hasChildren)
{
builder.AddAttribute(7, "ChildContent", RenderChildren(grandChildren, depth + 1));
builder.AddAttribute(8, nameof(RadzenTreeItem.Data), grandChildren);
}
}
builder.CloseComponent();
}
}));
}
public dynamic GetValueFromScope(string propertyName)
{
try
{
var keys = propertyName.Split('.');
var digTo = keys.Count(x => x == "$parent");
var d = 0;
var p = this;
while (digTo > 0 && digTo + 1 > d)
{
p = p.Parent;
d += p.Scope != null ? 1 : 0;
}
if (digTo > 0)
{
keys = keys.Where(x => x != "$parent").ToArray();
}
var property = new PropertyAccess(keys[0]);
var scope = p.Scope;
var parent = this;
while (scope == null || !scope.ContainsKey(property.Name))
{
parent = parent.Parent;
scope = parent.Scope;
}
var obj = scope[property.Name];
var level = 1;
while (level < keys.Length)
{
obj = property.GetValue(obj);
property = new PropertyAccess(keys[level]);
var t = obj.GetType();
obj = t == typeof(Dictionary <string, dynamic>) || t.IsArray
? obj[property.Name]
: t.GetProperty(property.Name).GetValue(obj, null);
level++;
}
return(property.GetValue(obj));
}
catch (Exception)
{
Trace.WriteLine(propertyName + " not found. default value returned = false");
return(false);
}
}
/// <summary>
/// Gets the value for specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>System.Object.</returns>
public object GetValue(TItem item)
{
var value = propertyValueGetter != null && !string.IsNullOrEmpty(Property) && !Property.Contains('.') ? propertyValueGetter(item) : !string.IsNullOrEmpty(Property) ? PropertyAccess.GetValue(item, Property) : "";
return(!string.IsNullOrEmpty(FormatString) ? string.Format(FormatString, value, Grid?.Culture ?? CultureInfo.CurrentCulture) : Convert.ToString(value, Grid?.Culture ?? CultureInfo.CurrentCulture));
}
public dynamic GetValueFromScope(string propertyName, string format = null)
{
try
{
var keys = propertyName.Split('.');
var digTo = keys.Count(x => x == "$parent");
var d = 0;
var p = this;
while (digTo > 0 && digTo + 1 > d)
{
p = p.Parent;
d += p.Scope != null ? 1 : 0;
}
if (digTo > 0) keys = keys.Where(x => x != "$parent").ToArray();
var property = new PropertyAccess(keys[0]);
var scope = p.Scope;
var parent = this;
while (scope == null || !scope.ContainsKey(property.Name))
{
parent = parent.Parent;
scope = parent.Scope;
}
var obj = scope[property.Name];
var level = 1;
while (level < keys.Length)
{
obj = property.GetValue(obj);
property = new PropertyAccess(keys[level]);
var t = obj.GetType();
obj = t == typeof(Dictionary<string, dynamic>) || t.IsArray
? obj[property.Name]
: t.GetProperty(property.Name).GetValue(obj, null);
level++;
}
if (string.IsNullOrWhiteSpace(format))
return property.GetValue(obj);
return property.GetValue(obj).ToString(format);
}
catch (Exception)
{
Trace.WriteLine(propertyName + " not found. default value returned = false");
return false;
}
}
public static void SetModel(object viewObj, Control parentControl = null, bool asState = false)
{
if (parentControl == null)
{
parentControl = Current;
}
var list = GetPostPair(viewObj, parentControl);
if (list.Count == 0)
{
throw new InvalidOperationException("PostPair's empty!");
}
Page page = parentControl.Page;
foreach (PostPair pair in list)
{
Control control = page.FindControl(pair.UniqueID);
if (control == null)
{
throw new InvalidOperationException(string.Format("SetPost:'{0}' isn't exists", pair.UniqueID));
}
PropertyAccess property = pair.Property;
object value = property.GetValue(viewObj);
Type propType = property.EntityProperty.PropertyType;
if (!TypeHelper.IsStringOrValueType(propType))
{
if (value != null)
{
if (value is System.Collections.IEnumerable)
{
BindData(control, value);
}
else
{
SetModel(value, parentControl);
}
}
continue;
}
Type underlyingType;
if (TypeHelper.IsNullableType(propType, out underlyingType))
{
propType = underlyingType;
}
if (propType.IsEnum)
{
if (value == null)
{
continue;
}
value = Convert.ChangeType(value, typeof(int));
ListControl listControl = control as ListControl;
if (listControl != null)
{
if (listControl.Items.Count == 0)
{
BindEnum(listControl, propType);
}
if ((listControl is CheckBoxList) && Attribute.IsDefined(propType, typeof(FlagsAttribute)))
{
int flag = (int)value;
foreach (ListItem item in listControl.Items)
{
int itemValue = int.Parse(item.Value);
if ((flag & itemValue) == itemValue)
{
item.Selected = true;
}
}
continue;
}
}
}
if (value == null)
{
value = string.Empty;
}
ITextControl textControl = control as ITextControl;
if (textControl != null)
{
textControl.Text = value.ToString();
}
else
{
ICheckBoxControl checkBoxControl = control as ICheckBoxControl;
if (checkBoxControl != null)
{
checkBoxControl.Checked = Convert.ToBoolean(value);
}
else
{
HiddenField hiddenField = control as HiddenField;
if (hiddenField != null)
{
hiddenField.Value = value.ToString();
}
}
}
}
if (asState)
{
var dict = (ListDictionary)page.Session["ModelState"];
if (dict == null)
{
page.Session["ModelState"] = dict = new ListDictionary();
}
dict[viewObj.GetType()] = viewObj;
}
}
