Prevent explorermap generation with entire DB, show info via generic modal instead

static/js/comex_lib_elts.js

@@ -283,7 +283,7 @@ var cmxClt = (function(cC) {
         // in a new div
         var myDiv = document.createElement('div')
         myDiv.innerHTML = `
-            <div class="modal fade self-made" id="${boxId}" role="dialog" aria-labelledby="authTitle" aria-hidden="true" style="display:none">
+            <div class="modal fade self-made" id="${boxId}" role="dialog" aria-labelledby="${boxId}-title" aria-hidden="true" style="display:none">
               <div class="modal-dialog" role="document">
                 <div class="modal-content">
                   <form id="auth_box" enctype="multipart/form-data">
@@ -291,7 +291,10 @@ var cmxClt = (function(cC) {
                         <button type="button" class="close" onclick="cmxClt.elts.box.toggleBox('${boxId}')" aria-label="Close">
                           <span aria-hidden="true">&times;</span>
                         </button>
-                        <h5 class="modal-title" id="authTitle">${boxTitle}</h5>
+                        <h5 class="modal-title" id="${boxId}-title">
+                            <span class="glyphicon glyphicon-comment glyphicon-float-left"></span>&nbsp;&nbsp;
+                            ${boxTitle}
+                        </h5>
                       </div>
                       <div class="modal-body mini-hero">
                         ${boxContent}

static/js/whoswho.js

@@ -259,7 +259,20 @@ $(document).ready(function() {
     // console.log("initiating graphexplorer")
     return collectFilters(function(query) {
       // debug
-      // console.log("collected filters: " + query);
+    //   console.log("collected filters: " + query);
+      // empty query => no map + warning
+      if (query == "" || decodeURI(query) == "{}") {
+          if (document.getElementById('refine-warning')) {
+            cmxClt.elts.box.toggleBox("refine-warning")
+          }
+          else {
+            cmxClt.elts.box.addGenericBox('refine-warning',
+                "No filters were selected",
+                "Please fill at least a filter before generating a MAP <br/>(mapping without filters takes a long time and overloads servers)")
+            cmxClt.elts.box.toggleBox("refine-warning")
+          }
+          return null
+      }
       return window.open('/explorerjs.html?type="filter"&nodeidparam="' + escape(query) +'"');
       //return loadGraph("getgraph.php?query=" + query);
     });