private Label GetLabel(BocEnumValueRenderingContext renderingContext)
{
Label label = new Label {
ID = renderingContext.Control.GetValueName(), ClientIDMode = ClientIDMode.Static
};
string text;
if (renderingContext.Control.IsDesignMode && renderingContext.Control.EnumerationValueInfo == null)
{
text = c_designModeEmptyLabelContents;
// Too long, can't resize in designer to less than the content's width
// label.Text = "[ " + this.GetType().Name + " \"" + this.ID + "\" ]";
}
else if (renderingContext.Control.EnumerationValueInfo != null)
{
text = renderingContext.Control.EnumerationValueInfo.DisplayName;
label.Attributes.Add("data-value", renderingContext.Control.EnumerationValueInfo.Identifier);
}
else
{
text = null;
}
label.Text = text;
label.Width = Unit.Empty;
label.Height = Unit.Empty;
label.ApplyStyle(renderingContext.Control.CommonStyle);
label.ApplyStyle(renderingContext.Control.LabelStyle);
return(label);
}
private ListControl GetListControl(BocEnumValueRenderingContext renderingContext)
{
ListControl listControl = renderingContext.Control.ListControlStyle.Create(false);
listControl.ClientIDMode = ClientIDMode.Static;
listControl.ID = renderingContext.Control.GetValueName();
listControl.Enabled = renderingContext.Control.Enabled;
listControl.Width = Unit.Empty;
listControl.Height = Unit.Empty;
listControl.ApplyStyle(renderingContext.Control.CommonStyle);
renderingContext.Control.ListControlStyle.ApplyStyle(listControl);
var oneBasedIndex = 1;
bool needsNullValueItem = (renderingContext.Control.Value == null) &&
(renderingContext.Control.ListControlStyle.ControlType != ListControlType.RadioButtonList);
if (!renderingContext.Control.IsRequired || needsNullValueItem)
{
var nullItem = CreateNullItem(renderingContext);
if (IsDiagnosticMetadataRenderingEnabled)
{
nullItem.Attributes[DiagnosticMetadataAttributes.ItemID] = "==null==";
nullItem.Attributes[DiagnosticMetadataAttributes.IndexInCollection] = oneBasedIndex.ToString();
nullItem.Attributes[DiagnosticMetadataAttributes.Content] = HtmlUtility.StripHtmlTags(renderingContext.Control.GetNullItemText());
}
listControl.Items.Add(nullItem);
oneBasedIndex++;
}
IEnumerationValueInfo[] valueInfos = renderingContext.Control.GetEnabledValues();
for (int i = 0; i < valueInfos.Length; i++, oneBasedIndex++)
{
IEnumerationValueInfo valueInfo = valueInfos[i];
ListItem item = new ListItem(valueInfo.DisplayName, valueInfo.Identifier);
if (valueInfo.Value.Equals(renderingContext.Control.Value))
{
item.Selected = true;
}
if (IsDiagnosticMetadataRenderingEnabled)
{
item.Attributes[DiagnosticMetadataAttributes.ItemID] = valueInfo.Identifier;
item.Attributes[DiagnosticMetadataAttributes.IndexInCollection] = oneBasedIndex.ToString();
item.Attributes[DiagnosticMetadataAttributes.Content] = HtmlUtility.StripHtmlTags(valueInfo.DisplayName);
}
listControl.Items.Add(item);
}
return(listControl);
}
/// <summary>
/// Renders the concrete <see cref="ListControl"/> control as obtained from <see cref="IBocEnumValue.ListControlStyle"/>,
/// wrapped in a <div>
/// <seealso cref="ListControlType"/>
/// </summary>
/// <remarks>The <see cref="ISmartControl.IsRequired"/> attribute determines if a "null item" is inserted. In addition,
/// as long as no value has been selected, <see cref="DropDownList"/> and <see cref="ListBox"/> have a "null item" inserted
/// even when <see cref="ISmartControl.IsRequired"/> is <see langword="true"/>.
/// </remarks>
public void Render(BocEnumValueRenderingContext renderingContext)
{
ArgumentUtility.CheckNotNull("renderingContext", renderingContext);
AddAttributesToRender(renderingContext);
var tag = renderingContext.Control.ListControlStyle.ControlType == ListControlType.RadioButtonList
? HtmlTextWriterTag.Div
: HtmlTextWriterTag.Span;
renderingContext.Writer.RenderBeginTag(tag);
bool isControlHeightEmpty = renderingContext.Control.Height.IsEmpty && string.IsNullOrEmpty(renderingContext.Control.Style["height"]);
bool isControlWidthEmpty = renderingContext.Control.Width.IsEmpty && string.IsNullOrEmpty(renderingContext.Control.Style["width"]);
Label label = GetLabel(renderingContext);
ListControl listControl = GetListControl(renderingContext);
WebControl innerControl = renderingContext.Control.IsReadOnly ? (WebControl)label : listControl;
innerControl.Page = renderingContext.Control.Page.WrappedInstance;
bool isInnerControlHeightEmpty = innerControl.Height.IsEmpty && string.IsNullOrEmpty(innerControl.Style["height"]);
if (!isControlHeightEmpty && isInnerControlHeightEmpty)
{
renderingContext.Writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "100%");
}
bool isInnerControlWidthEmpty = innerControl.Width.IsEmpty && string.IsNullOrEmpty(innerControl.Style["width"]);
if (isInnerControlWidthEmpty)
{
if (!isControlWidthEmpty)
{
if (renderingContext.Control.IsReadOnly)
{
if (!renderingContext.Control.Width.IsEmpty)
{
renderingContext.Writer.AddStyleAttribute(HtmlTextWriterStyle.Width, renderingContext.Control.Width.ToString());
}
else
{
renderingContext.Writer.AddStyleAttribute(HtmlTextWriterStyle.Width, renderingContext.Control.Style["width"]);
}
}
}
}
innerControl.RenderControl(renderingContext.Writer);
renderingContext.Writer.RenderEndTag();
}
/// <summary> Creates the <see cref="ListItem"/> symbolizing the undefined selection. </summary>
/// <returns> A <see cref="ListItem"/>. </returns>
private ListItem CreateNullItem(BocEnumValueRenderingContext renderingContext)
{
ListItem emptyItem = new ListItem(renderingContext.Control.GetNullItemText(), renderingContext.Control.NullIdentifier);
if (renderingContext.Control.Value == null)
{
if (renderingContext.Control.Value == null)
{
emptyItem.Selected = true;
}
}
return(emptyItem);
}
