Show worked before grid status

application/controllers/Logbook.php

@@ -62,12 +62,13 @@ class Logbook extends CI_Controller {
 
 	  $return = [
   		"dxcc" => false,
-		"callsign_name" => "",
-		"callsign_qra"  => "",
-		"callsign_qth"  => "",
-		"callsign_iota" => "",
-		"bearing" 		=> ""
-	];
+  		"callsign_name" => "",
+  		"callsign_qra"  => "",
+  		"callsign_qth"  => "",
+  		"callsign_iota" => "",
+  		"bearing" 		=> "",
+      "workedBefore" => false
+  	];
 
   	$return['dxcc'] = $this->find_dxcc($callsign);
   	$return['partial'] = $this->partial($callsign);
@@ -80,6 +81,7 @@ class Logbook extends CI_Controller {
 		$return['callsign_qth'] = $this->logbook_model->call_qth($callsign);
 		$return['callsign_iota'] = $this->logbook_model->call_iota($callsign);
 		$return['bearing'] = $this->bearing($return['callsign_qra']);
+    $return['workedBefore'] = $this->worked_grid_before($return['callsign_qra']);
 		echo json_encode($return, JSON_PRETTY_PRINT);
 		return;
 	}
@@ -116,6 +118,7 @@ class Logbook extends CI_Controller {
 		$return['callsign_qra'] = $callbook['gridsquare'];
 		$return['callsign_qth'] = $callbook['city'];
 		$return['callsign_iota'] = $callbook['iota'];
+    $return['workedBefore'] = $this->worked_grid_before($return['callsign_qra']);
 	}
 	$return['bearing'] = $this->bearing($return['callsign_qra']);
 
@@ -123,6 +126,21 @@ class Logbook extends CI_Controller {
 	return;
   }
 
+  function worked_grid_before($gridsquare)
+  {
+    if (strlen($gridsquare) < 4)
+      return false; 
+
+    $this->db->like('SUBSTRING(COL_GRIDSQUARE, 1, 4)', substr($gridsquare, 0, 4));
+    $query = $this->db->get($this->config->item('table_name'), 1, 0);
+    foreach ($query->result() as $workedBeforeRow)
+    {
+      return true;
+    }
+    return false;
+  }
+
+
   /* Used to generate maps for displaying on /logbook/ */
   function qso_map() {
     $this->load->model('logbook_model');

application/views/qso/index.php

@@ -464,6 +464,27 @@
         if($('#locator').val() == "") {
             $('#locator').val(result.callsign_qra);
             $('#locator_info').html(result.bearing);
+
+            if (result.callsign_qra != "")
+            {
+              if (result.workedBefore)
+              {
+                $('#locator').addClass("workedGrid");
+                $('#locator').attr('title', 'Grid was already worked in the past');
+              }
+              else
+              {
+                $('#locator').addClass("newGrid");
+                $('#locator').attr('title', 'New grid!');
+              }
+            }
+            else
+            {
+              $('#locator').removeClass("workedGrid");
+              $('#locator').removeClass("newGrid");
+              $('#locator').attr('title', '');
+            }
+            
         }
 
         /* Find Operators Name */

css/main.css

@@ -30,9 +30,16 @@ table .title { font-weight: bold; color: #439BF6; }
 #sat_name { text-transform: uppercase; }
 #sat_mode { text-transform: uppercase; }
 #iota_ref { text-transform: uppercase; }
-
+.workedGrid {
+    background-color: #B33A3A;
+    color: #FFF !important;
+}
+.newGrid {
+	background-color: #4BB543;
+	color: #FFF !important;
+}
 input[type="text"] {
-	color: #000000 !important;
+	color: #000000;
 }
 
 .pull-right { color: #fff; }