private static RagBarData CalculatePercentages(IRagBarItem ragBarItem)
{
var ragBarData = new RagBarData();
ragBarData.RedCount = ragBarItem.RedCount;
ragBarData.AmberCount = ragBarItem.AmberCount;
ragBarData.GreenCount = ragBarItem.GreenCount;
var sumOfCounts = ragBarItem.RedCount + ragBarItem.AmberCount + ragBarItem.GreenCount;
if (sumOfCounts == 0)
{
//We have no values so show all green
ragBarData.GreenPercent = 100;
}
else if (ragBarItem.RedCount == ragBarItem.AmberCount && ragBarItem.AmberCount == ragBarItem.GreenCount)
{
//We have all equal values so evenly distribute
ragBarData.GreenPercent = 33;
ragBarData.AmberPercent = 33;
ragBarData.RedPercent = 33;
}
else
{
// we need to build up percentages in 10% increments starting from lowest first
// we will then leave the last value to make up the remaining 100%
var itemList = new List<RagOrderItem>();
itemList.Add(new RagOrderItem { ColorMarker = 'R', ItemCount = ragBarItem.RedCount });
itemList.Add(new RagOrderItem { ColorMarker = 'A', ItemCount = ragBarItem.AmberCount });
itemList.Add(new RagOrderItem { ColorMarker = 'G', ItemCount = ragBarItem.GreenCount });
var sortedList = itemList.OrderBy(x => x.ItemCount).ToList();
sortedList[0].ItemPercent = CalculatePercent(sortedList[0].ItemCount, sumOfCounts, 10);
sortedList[1].ItemPercent = CalculatePercent(sortedList[1].ItemCount, sumOfCounts, 10);
sortedList[2].ItemPercent = 100 - sortedList[0].ItemPercent - sortedList[1].ItemPercent;
ragBarData.GreenPercent = sortedList.Where(x => x.ColorMarker == 'G').Select(x => x.ItemPercent).First();
ragBarData.AmberPercent = sortedList.Where(x => x.ColorMarker == 'A').Select(x => x.ItemPercent).First();
ragBarData.RedPercent = sortedList.Where(x => x.ColorMarker == 'R').Select(x => x.ItemPercent).First();
}
return ragBarData;
}
public static IHtmlString HubRagBar(this HtmlHelper htmlHelper, IRagBarItem ragBarItem)
{
var ragBarData = CalculatePercentages(ragBarItem);
var sb = new StringBuilder();
sb.Append("<div class='ragbar'>");
if(ragBarData.RedPercent > 0)
sb.AppendFormat("<span class=\"ragbar-item ragbar-item-red ragbar-item-{0}\">{1}</span>", ragBarData.RedPercent, ragBarData.RedCount);
if (ragBarData.AmberPercent > 0)
sb.AppendFormat("<span class=\"ragbar-item ragbar-item-amber ragbar-item-{0}\">{1}</span>", ragBarData.AmberPercent, ragBarData.AmberCount);
if (ragBarData.GreenPercent > 0)
sb.AppendFormat("<span class=\"ragbar-item ragbar-item-green ragbar-item-{0}\">{1}</span>", ragBarData.GreenPercent, ragBarData.GreenCount);
sb.Append("</div>");
return MvcHtmlString.Create(sb.ToString());
}
