SlidePanelInjector-RenderControl.cs

private void RenderControl(Item child, StringBuilder commandsBuilder)
{	
	var header = child["Header"];
	if (string.IsNullOrEmpty(header)) header = child.DisplayName;
	var icon = child["Icon"] ?? child["__Icon"];
	var click = child["Click"];

	commandsBuilder.AppendLine("<div style='margin:6px 0;'>");

	try
	{
		var largeButton = new LargeButton
		{
			ID = "lb_" + child.ID.ToShortID(),
			Header = header,
			Icon = icon ?? string.Empty,
			Command = click ?? string.Empty,
			BorderWidth = 100,
			CssClass = "scxm-overlay-largebutton"
		};

		using (var sw = new StringWriter())
		using (var htw = new HtmlTextWriter(sw))
		{
			largeButton.RenderControl(htw);
			commandsBuilder.AppendLine(sw.ToString());
		}
	}
	catch (Exception ex)
	{
		Log.Warn($"SlidePanelInjector: Failed to render LargeButton for item {child.Paths.FullPath}. Falling back to HTML button.", ex, this);
                    
		var safeClick = string.IsNullOrEmpty(click)
			? ""
			: $"javascript:scForm.postEvent(this,event,'{HttpUtility.JavaScriptStringEncode(click)}')";

		commandsBuilder.AppendLine($@"
			<div class='panel-command-fallback' style='margin:6px 0;'>
				<button style='width:100%;padding:8px;text-align:left;' onclick=""{safeClick}"">
					{(string.IsNullOrEmpty(icon) ? "" : $"<img src='/sitecore/shell/themes/standard/{icon}' style='width:16px;height:16px;margin-right:8px;vertical-align:middle;' />")}
					<span style='vertical-align:middle;'>{System.Web.HttpUtility.HtmlEncode(header)}</span>
				</button>
			</div>");
	}

	commandsBuilder.AppendLine("</div>");
}