private static MvcHtmlString DropDownList(HtmlHelper helper, EntityCombo entityCombo)
{
List <SelectListItem> items = new List <SelectListItem>();
items.Add(new SelectListItem()
{
Text = "-", Value = ""
});
List <Lite <IEntity> > data = entityCombo.Data != null?entityCombo.Data.ToList() :
AutocompleteUtils.FindAllLite(entityCombo.Implementations.Value).Cast <Lite <IEntity> >().ToList();
if (entityCombo.SortElements)
{
data = data.OrderBy(a => a.ToString()).ToList();
}
var current = entityCombo.UntypedValue is IEntity ? ((IEntity)entityCombo.UntypedValue)?.ToLite() :
entityCombo.UntypedValue as Lite <IEntity>;
if (current != null && !data.Contains(current))
{
data.Add(current);
}
items.AddRange(
data.Select(lite => new SelectListItem()
{
Text = lite.ToString(),
Value = lite.Key(),
Selected = lite.Is(current)
}));
entityCombo.ComboHtmlProperties.AddCssClass("form-control");
if (entityCombo.ComboHtmlProperties.ContainsKey("onchange"))
{
throw new InvalidOperationException("EntityCombo cannot have onchange html property, use onEntityChanged instead");
}
entityCombo.ComboHtmlProperties.Add("onchange", entityCombo.SFControlThen("combo_selected()"));
if (entityCombo.Size > 0)
{
entityCombo.ComboHtmlProperties.AddCssClass("sf-entity-list");
entityCombo.ComboHtmlProperties.Add("size", Math.Min(entityCombo.Size, items.Count - 1));
}
if (entityCombo.PlaceholderLabels && !entityCombo.ComboHtmlProperties.ContainsKey("placeholder"))
{
entityCombo.ComboHtmlProperties.Add("placeholder", entityCombo.LabelText);
}
return(helper.SafeDropDownList(
entityCombo.Compose(EntityComboKeys.Combo),
items,
entityCombo.ComboHtmlProperties));
}
internal static MvcHtmlString InternalEntityCombo(this HtmlHelper helper, EntityCombo entityCombo)
{
if (!entityCombo.Visible || entityCombo.HideIfNull && entityCombo.UntypedValue == null)
{
return(MvcHtmlString.Empty);
}
if (!entityCombo.Type.IsIEntity() && !entityCombo.Type.IsLite())
{
throw new InvalidOperationException("EntityCombo can only be done for an identifiable or a lite, not for {0}".FormatWith(entityCombo.Type.CleanType()));
}
HtmlStringBuilder sb = new HtmlStringBuilder();
using (sb.SurroundLine(new HtmlTag("div", entityCombo.Prefix).Class("SF-entity-combo SF-control-container")))
{
sb.AddLine(helper.HiddenRuntimeInfo(entityCombo));
using (sb.SurroundLine(new HtmlTag("div", entityCombo.Compose("hidden")).Class("hide")))
{
if (entityCombo.UntypedValue != null)
{
sb.AddLine(EntityButtonHelper.Create(helper, entityCombo, btn: true));
sb.AddLine(EntityButtonHelper.Find(helper, entityCombo, btn: true));
}
else
{
sb.AddLine(EntityButtonHelper.View(helper, entityCombo, btn: true));
sb.AddLine(EntityButtonHelper.Remove(helper, entityCombo, btn: true));
}
}
using (sb.SurroundLine(new HtmlTag("div", entityCombo.Compose("inputGroup")).Class("input-group")))
{
if (entityCombo.ReadOnly)
{
sb.AddLine(helper.FormControlStatic(entityCombo, entityCombo.Compose(EntityBaseKeys.ToStr), entityCombo.UntypedValue?.ToString()));
}
else
{
sb.AddLine(DropDownList(helper, entityCombo));
}
using (sb.SurroundLine(new HtmlTag("span", entityCombo.Compose("shownButton")).Class("input-group-btn")))
{
if (entityCombo.UntypedValue == null)
{
sb.AddLine(EntityButtonHelper.Create(helper, entityCombo, btn: true));
sb.AddLine(EntityButtonHelper.Find(helper, entityCombo, btn: true));
}
else
{
sb.AddLine(EntityButtonHelper.View(helper, entityCombo, btn: true));
sb.AddLine(EntityButtonHelper.Remove(helper, entityCombo, btn: true));
}
}
}
if (entityCombo.Type.IsEmbeddedEntity() && entityCombo.Create)
{
EmbeddedEntity embedded = (EmbeddedEntity) new ConstructorContext(helper.ViewContext.Controller).ConstructUntyped(entityCombo.Type.CleanType());
TypeContext templateTC = ((TypeContext)entityCombo.Parent).Clone(embedded);
sb.AddLine(EntityBaseHelper.EmbeddedTemplate(entityCombo, EntityBaseHelper.RenderPopup(helper, templateTC, RenderPopupMode.Popup, entityCombo, isTemplate: true), null));
}
if (EntityBaseHelper.EmbeddedOrNew((Modifiable)entityCombo.UntypedValue))
{
sb.AddLine(EntityBaseHelper.RenderPopup(helper, (TypeContext)entityCombo.Parent, RenderPopupMode.PopupInDiv, entityCombo));
}
sb.AddLine(entityCombo.ConstructorScript(JsModule.Lines, "EntityCombo"));
}
return(helper.FormGroup(entityCombo, entityCombo.Prefix, entityCombo.LabelHtml ?? entityCombo.LabelText.FormatHtml(), sb.ToHtml()));
}