Show placeholder when no statistics are available for a campaign yet

public_html/modules/campaign/dashboard.php

@@ -54,6 +54,7 @@ if($sEventTotal !== 0)
 	$sUnsubscriptionPercentage = ($sCampaign->sPastMonthUnsubscriptions / $sEventTotal) * 100;
 	$sDonationPercentage = ($sCampaign->sPastMonthDonations / $sEventTotal) * 100;
 	$sNonDonationPercentage = ($sCampaign->sPastMonthNonDonations / $sEventTotal) * 100;
+	$sStatisticsAvailable = true;
 }
 else
 {
@@ -62,6 +63,7 @@ else
 	$sUnsubscriptionPercentage = 0;
 	$sDonationPercentage = 0;
 	$sNonDonationPercentage = 0;
+	$sStatisticsAvailable = false;
 }
 
 $sPageTitle = "Dashboard for {$sCampaign->sName}";
@@ -76,6 +78,7 @@ $sPageContents = NewTemplater::Render("campaign/dashboard", $locale->strings, ar
 	"donations-amount"		=> $sCampaign->sPastMonthDonations,
 	"donations-percentage"		=> $sDonationPercentage,
 	"nondonations-amount"		=> $sCampaign->sPastMonthNonDonations,
-	"nondonations-percentage"	=> $sNonDonationPercentage	
+	"nondonations-percentage"	=> $sNonDonationPercentage,
+	"statistics-available"		=> $sStatisticsAvailable
 ));
 

public_html/static/css/style.css

@@ -515,6 +515,12 @@ table.payment-methods td.remove button
 	font-size: 15px;
 }
 
+.no-stats
+{
+	padding: 9px 12px;
+	color: gray;
+}
+
 /**************************************
  *             BAR GRAPH              *
  **************************************/

public_html/templates/campaign/dashboard.tpl

@@ -21,6 +21,9 @@
 		<div class="area not-donated" style="width: {%?nondonations-percentage}%;"></div>
 		<div class="area donated" style="width: {%?donations-percentage}%;"></div>
 		<div class="area subscribed" style="width: {%?subscriptions-percentage}%;"></div>
+		{%if statistics-available == false}
+			<div class="no-stats">No statistics available yet.</div>
+		{%/if}
 	</div>
 	
 	<div class="graph-legend">