/// <summary>
/// Rendering of the wrapper and it's child controls
/// </summary>
protected override void CreateChildControls()
{
Controls.Clear();
if (ContentTemplate != null)
{
componentHolder = new ComponentHolder(this);
ContentTemplate.InstantiateIn(componentHolder);
//field to validate
Controls.Add(componentHolder);
foreach (Control control in componentHolder.Controls)
{
control.EnableViewState = true;
}
//triger image
var imageUrl = this.Page.ClientScript.GetWebResourceUrl(this.GetType(), "InputValidationWrapper.Images." + (String.IsNullOrEmpty(this.MessageType) ? "error" : this.MessageType) + ".png");
var imageTextBg = this.Page.ClientScript.GetWebResourceUrl(this.GetType(), "InputValidationWrapper.Images.bg.png");
var imageTextBgArrow = this.Page.ClientScript.GetWebResourceUrl(this.GetType(), "InputValidationWrapper.Images.bg-arrow.png");
string style = " style='background: url(" + imageUrl + ") no-repeat center center;'";
string textBg = " style='background: url(" + imageTextBg + ");'";
string textBgArrow = " style='background: url(" + imageTextBgArrow + ");'";
Controls.Add(new LiteralControl("<i" + style + ">trigger</i>"));
Controls.Add(new LiteralControl("<p" + textBg + "><label " + textBgArrow + " class='bottom_arrow'></label>" + this.Text + "</p>"));
ClientScriptManager csm = Page.ClientScript;
WebControl Child = ComponentHolder.FindControl(this.ControlToValidateID) as WebControl;
if (!(Child is TextBox))
{
throw new NotSupportedException("Wrapper can validate only TextBox currently.");
}
//!!!the validation invoker is there purely to bypass asp's problem with posting back on 'onblur' event when the control is inside of an update panel
//Controls.Add(new LiteralControl("<a id=\"" + this.ClientID + "_Invoker\" href=\"javascript:" + @csm.GetPostBackEventReference(this, "RunValidation") + "\">Run</a>"));
}
else
{
Controls.Add(new LiteralControl(this.ID));
}
}
//------------------------------ MISC METHODS --------------------------------------------
/// <summary>
///
/// </summary>
/// <returns></returns>
public WebControl GetChildControl()
{
return(ComponentHolder.FindControl(this.ControlToValidateID) as WebControl);
}
