Merge branch 'spiderfy_on_message' into 'master'

enhancement: small message in top center of map when the spiderfy effect is active.

See merge request !24

scripts/map_functions.inc

@@ -1162,6 +1162,7 @@ function create_MapImage()
 		currZoom = e.target._zoom;
 		if(currZoom >= 12) {
 			oms.enable();
+			document.getElementById('spiderfyActive').style.visibility = 'visible';
 			oms.addListener('activate', function(markers) {
 				for(var i = 0; i < markers.length; i++) {
 					markers[i].closePopup();
@@ -1169,6 +1170,7 @@ function create_MapImage()
 			});
 		}else {
 			oms.disable();
+			document.getElementById('spiderfyActive').style.visibility = 'hidden';
 			oms.removeListener('activate', function(markers) {
 				for(var i = 0; i < markers.length; i++) {
 					markers[i].closePopup();

webpage/css/meshmap-default.css

@@ -359,3 +359,19 @@ MAP_DETAILS {
     padding-right: 5px;
     padding-left: 5px;
 }
+#spiderfyActive {
+	background: black;
+	color: white;
+	opacity: 0.5;
+	position: absolute;
+	width: 158px;
+	font-size: 1em;
+	text-align: center;
+	z-index: 9999;
+	top: 2px;
+	left: 50%;
+	right: 50%;
+	border-radius: 5px;
+	visibility: hidden;
+}
+

webpage/map_display.php

@@ -570,7 +570,7 @@ $scaling = <<<EOD
 EOD;
 
 echo $scaling;
-
+echo "<div id='spiderfyActive'>SPIDERFY ACTIVE</div>\n";
 echo "</body>\n";
 echo "</html>\n";
 ?>