Resolved #27 - add item regex filter to query editor.

zabbix/datasource.js

@@ -82,7 +82,16 @@ function (angular, _, kbn) {
         return this.itemFindQuery(groups, hosts, apps)
           .then(function (items) {
             if (itemnames == 'All') {
-              return items;
+
+              // Filter items by regex
+              if (target.itemFilter) {
+                var item_pattern = new RegExp(target.itemFilter);
+                return _.filter(items, function (item) {
+                  return item_pattern.test(expandItemName(item));
+                });
+              } else {
+                return items;
+              }
             } else {
 
               // Filtering items

zabbix/partials/query.editor.html

@@ -102,7 +102,7 @@
         </li>
         <!-- Select Item -->
         <li>
-            <select style="width: 25em"
+            <select style="width: 20em"
                     class="tight-form-input input-medium"
                     ng-change="selectItem()"
                     ng-model="target.item"
@@ -116,6 +116,15 @@
                 <i class="icon-warning-sign"></i>
             </a>
         </li>
+        <!-- Item filter -->
+        <li>
+          <input type="text"
+                 class="tight-form-input input-large"
+                 ng-model="target.itemFilter"
+                 spellcheck='false'
+                 placeholder="Item filter (regex)"
+                 ng-blur="targetBlur()">
+        </li>
       </ul>
 
       <div class="clearfix"></div>