public static StringBuilder GetCombosAttributeValue(CascadingSelectList selectList)
{
var list = selectList.ToList();
var finalItems = new StringBuilder();
if (list.Any())
{
var parentIds = list.Select(i => i.ParentValue).Distinct().ToList();
if (parentIds.Any())
{
foreach (var currParent in parentIds)
{
EnsureNoSpecialCharacters(currParent);
finalItems.Append(currParent);
finalItems.Append("{");
var childIds = list.Where(i => i.ParentValue == currParent);
if (childIds.Any())
{
foreach (var currChild in childIds)
{
EnsureNoSpecialCharacters(currChild.Value);
EnsureNoSpecialCharacters(currChild.Text);
finalItems.AppendFormat("{0}~{1}{2};", currChild.Value, (currChild.Selected ? 1 : 0), currChild.Text);
}
finalItems.Remove(finalItems.Length - 1, 1);
}
finalItems.Append("}");
}
}
}
return(finalItems);
}
public static MvcHtmlString ListBoxChildFor <TModel, TProperty>(this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, TProperty> >
expression,
CascadingSelectList selectList, Dictionary <string, object> htmlAttributes = null)
{
var combosValue = GetCombosAttributeValue(selectList);
if (htmlAttributes == null)
{
htmlAttributes = new Dictionary <string, object>();
}
htmlAttributes.Add("combos", combosValue);
htmlAttributes.Add("parentListId", selectList.ParentSelectListPropertyName);
return(System.Web.Mvc.Html.SelectExtensions.ListBoxFor(
htmlHelper, expression, selectList, htmlAttributes));
}
public static MvcHtmlString ControlBundleListBoxChildFor <TModel, TValue>(
this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, TValue> > expression,
CascadingSelectList selectList,
string controlGroupClass = DefaultControlGroupClass,
IDictionary <string, object> controlGroupHtmlAttributes = null,
string labelClass = DefaultLabelClass,
IDictionary <string, object> labelHtmlAttributes = null,
string controlsClass = DefaultControlsClass,
IDictionary <string, object> controlsHtmlAttributes = null,
string helpInlineClass = DefaultHelpInlineClass,
IDictionary <string, object> helpInlineHtmlAttributes = null, bool readOnly = false,
MvcHtmlString controlForReadOnly = null)
{
return(ControlBundleFor(htmlHelper, expression, htmlHelper.ListBoxChildFor(expression, selectList),
controlGroupClass,
controlGroupHtmlAttributes, labelClass, labelHtmlAttributes, controlsClass,
controlsHtmlAttributes, helpInlineClass, helpInlineHtmlAttributes, readOnly, controlForReadOnly));
}
public static MvcHtmlString ListBoxChild(this HtmlHelper htmlHelper, string name, CascadingSelectList selectList, Dictionary <string, object> htmlAttributes = null)
{
var combosValue = GetCombosAttributeValue(selectList);
if (htmlAttributes == null)
{
htmlAttributes = new Dictionary <string, object>();
}
htmlAttributes.Add("combos", combosValue);
htmlAttributes.Add("parentListId", selectList.ParentSelectListPropertyName);
return(System.Web.Mvc.Html.SelectExtensions.ListBox(
htmlHelper, name, selectList, htmlAttributes));
}
public void PopulateAllTestDropDownItems()
{
AllTestDropDownItems = new List <SelectListItem>();
AllTestDropDownItems.Add(new SelectListItem {
Text = "One", Value = "1"
});
AllTestDropDownItems.Add(new SelectListItem {
Text = "Two", Value = "2"
});
AllTestDropDownItems.Add(new SelectListItem {
Text = "Other", Value = "3"
});
AllParentItems = new List <SelectListItem>();
//AllParentItems.Add(new SelectListItem { Text = "", Value = "" });
AllParentItems.Add(new SelectListItem {
Text = "Parent 1", Value = "1"
});
AllParentItems.Add(new SelectListItem {
Text = "Parent 2", Value = "2", Selected = true
});
AllParentItems.Add(new SelectListItem {
Text = "Parent 3", Value = "3"
});
AllChildItems = new CascadingSelectList();
AllChildItems.ParentSelectListPropertyName = "ParentItemId";
//AllChildItems.Add(new ChildSelectListItem { Text = "", ParentValue = "1", Value = "" });
AllChildItems.Add(new ChildSelectListItem {
Text = "Child 1 of Parent 1", ParentValue = "1", Value = "1"
});
//AllChildItems.Add(new ChildSelectListItem { Text = "", ParentValue = "2", Value = "" });
AllChildItems.Add(new ChildSelectListItem {
Text = "Child 1 of Parent 2", ParentValue = "2", Value = "2"
});
AllChildItems.Add(new ChildSelectListItem {
Text = "Child 2 of Parent 2", ParentValue = "2", Value = "3", Selected = true
});
//AllChildItems.Add(new ChildSelectListItem { Text = "", ParentValue = "3", Value = "" });
AllChildItems.Add(new ChildSelectListItem {
Text = "Child 1 of Parent 3", ParentValue = "3", Value = "4"
});
AllChildItems.Add(new ChildSelectListItem {
Text = "Child 2 of Parent 3", ParentValue = "3", Value = "5", Selected = true
});
AllChildItems.Add(new ChildSelectListItem {
Text = "Child 3 of Parent 3", ParentValue = "3", Value = "6"
});
AllChildOfChildItems = new CascadingSelectList();
AllChildOfChildItems.ParentSelectListPropertyName = "ChildItemId";
//AllChildOfChildItems.Add(new ChildSelectListItem { Text = "", ParentValue = "1", Value = "" });
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 1 of Child 1", ParentValue = "1", Value = "1"
});
//AllChildOfChildItems.Add(new ChildSelectListItem { Text = "", ParentValue = "2", Value = "" });
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 1 of Child 2", ParentValue = "2", Value = "2"
});
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 2 of Child 2", ParentValue = "2", Value = "3", Selected = true
});
//AllChildOfChildItems.Add(new ChildSelectListItem { Text = "", ParentValue = "3", Value = "" });
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 1 of Child 3", ParentValue = "3", Value = "4"
});
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 2 of Child 3", ParentValue = "3", Value = "5", Selected = true
});
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 3 of Child 3", ParentValue = "3", Value = "6"
});
//AllChildOfChildItems.Add(new ChildSelectListItem { Text = "", ParentValue = "4", Value = "" });
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 1 of Child 4", ParentValue = "4", Value = "7"
});
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 2 of Child 4", ParentValue = "4", Value = "8", Selected = true
});
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 3 of Child 4", ParentValue = "4", Value = "9"
});
AllChildOfChildItems.Add(new ChildSelectListItem {
Text = "ChildOfChild 4 of Child 4", ParentValue = "4", Value = "10"
});
}
public void PopulateAllTestDropDownItems()
{
AllTestDropDownItems = new List<SelectListItem>();
AllTestDropDownItems.Add(new SelectListItem { Text = "One", Value = "1" });
AllTestDropDownItems.Add(new SelectListItem { Text = "Two", Value = "2" });
AllTestDropDownItems.Add(new SelectListItem { Text = "Other", Value = "3" });
AllParentItems = new List<SelectListItem>();
AllParentItems.Add(new SelectListItem { Text = "[Please Select]", Value = "0" });
AllParentItems.Add(new SelectListItem { Text = "Parent 1", Value = "1" });
AllParentItems.Add(new SelectListItem { Text = "Parent 2", Value = "2", Selected=true });
AllParentItems.Add(new SelectListItem { Text = "Parent 3", Value = "3" });
AllChildItems = new CascadingSelectList();
AllChildItems.ParentSelectListPropertyName = "ParentItemId";
AllChildItems.Add(new ChildSelectListItem { Text = "[Please Select]", ParentValue = "1", Value = "0" });
AllChildItems.Add(new ChildSelectListItem { Text = "Child 1 of Parent 1", ParentValue = "1", Value = "1" });
AllChildItems.Add(new ChildSelectListItem { Text = "[Please Select]", ParentValue = "2", Value = "0" });
AllChildItems.Add(new ChildSelectListItem { Text = "Child 1 of Parent 2", ParentValue = "2", Value = "2" });
AllChildItems.Add(new ChildSelectListItem { Text = "Child 2 of Parent 2", ParentValue = "2", Value = "3", Selected=true });
AllChildItems.Add(new ChildSelectListItem { Text = "[Please Select]", ParentValue = "3", Value = "0" });
AllChildItems.Add(new ChildSelectListItem { Text = "Child 1 of Parent 3", ParentValue = "3", Value = "4" });
AllChildItems.Add(new ChildSelectListItem { Text = "Child 2 of Parent 3", ParentValue = "3", Value = "5", Selected=true });
AllChildItems.Add(new ChildSelectListItem { Text = "Child 3 of Parent 3", ParentValue = "3", Value = "6" });
AllChildOfChildItems = new CascadingSelectList();
AllChildOfChildItems.ParentSelectListPropertyName = "ChildItemId";
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "[Please Select]", ParentValue = "1", Value = "0" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 1 of Child 1", ParentValue = "1", Value = "1" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "[Please Select]", ParentValue = "2", Value = "0" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 1 of Child 2", ParentValue = "2", Value = "2" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 2 of Child 2", ParentValue = "2", Value = "3", Selected=true });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "[Please Select]", ParentValue = "3", Value = "0" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 1 of Child 3", ParentValue = "3", Value = "4" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 2 of Child 3", ParentValue = "3", Value = "5", Selected=true });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 3 of Child 3", ParentValue = "3", Value = "6" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "[Please Select]", ParentValue = "4", Value = "0" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 1 of Child 4", ParentValue = "4", Value = "7" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 2 of Child 4", ParentValue = "4", Value = "8", Selected=true });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 3 of Child 4", ParentValue = "4", Value = "9" });
AllChildOfChildItems.Add(new ChildSelectListItem { Text = "ChildOfChild 4 of Child 4", ParentValue = "4", Value = "10" });
}
