initial search multiple values for select filters

Datatable/Filter/AbstractFilter.php

@@ -11,6 +11,7 @@
 
 namespace Sg\DatatablesBundle\Datatable\Filter;
 
+use Sg\DatatablesBundle\Datatable\Extension\Select;
 use Sg\DatatablesBundle\Datatable\OptionsTrait;
 
 use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -124,7 +125,14 @@ public function configureOptions(OptionsResolver $resolver)
 
         $resolver->setAllowedTypes('search_type', 'string');
         $resolver->setAllowedTypes('search_column', array('null', 'string'));
-        $resolver->setAllowedTypes('initial_search', array('null', 'string'));
+
+        $allowedInitialSearchTypes = ['null', 'string'];
+        if($this instanceof Select2Filter or $this instanceof Select) {
+            // Add ability to set initial search as array only for Select & Select2 filters
+            $allowedInitialSearchTypes[] = 'array';
+        }
+
+        $resolver->setAllowedTypes('initial_search', $allowedInitialSearchTypes);
         $resolver->setAllowedTypes('classes', array('null', 'string'));
         $resolver->setAllowedTypes('cancel_button', 'bool');
         $resolver->setAllowedTypes('placeholder', 'bool');
@@ -382,7 +390,7 @@ protected function getExpression(Composite $expr, QueryBuilder $qb, $searchType,
             case 'bigint':
             case 'smallint':
             case 'boolean':
-                if ($searchValue == (string) (int) $searchValue) {
+                if ( $searchValue == (string) (int) $searchValue ) {
                     $searchValue = (int) $searchValue;
                 } else {
                     $incompatibleTypeOfField = true;

Resources/views/datatable/initial_search.html.twig

@@ -5,9 +5,18 @@
  #
  # For the full copyright and license information, please view the LICENSE
  # file that was distributed with this source code.
- #}
+#}
+
 "searchCols": [
-    {% for column in sg_datatables_view.columnBuilder.columns %}
-        {% if column.filter.initialSearch is defined and column.filter.initialSearch|length > 0 %}{"search" : "{{ column.filter.initialSearch }}"}{% else %}null{% endif %},
-    {% endfor %}
+{% for column in sg_datatables_view.columnBuilder.columns %}
+    {% if column.filter.initialSearch is defined %}
+        {% if column.filter.initialSearch is iterable %}
+            {"search" : "{% for fi in column.filter.initialSearch %}{{ fi }},{% endfor %}"},
+        {% elseif column.filter.initialSearch|length > 0 %}
+            {"search" : "{{ column.filter.initialSearch }}"},
+        {% else %}
+            null,
+        {% endif %}
+    {% endif %}
+{% endfor %}
 ]

Resources/views/filter/select.html.twig

@@ -38,7 +38,15 @@
 
 {% set filter_select_select_options %}
     {% for key, name in column.filter.selectOptions %}
-        {% if column.filter.initialSearch is not same as(null) and column.filter.initialSearch is same as(key) %}
+        {% if column.filter.initialSearch is iterable %}
+            {% set selected = '' %}
+            {% for fi in column.filter.initialSearch %}
+                {% if fi is not same as(null) and fi is same as(key) %}
+                    {% set selected = 'selected="selected"' %}
+                {% endif %}
+            {% endfor %}
+            <option value="{{ key }}" {{ selected }}>{{ name }}</option>
+        {% elseif column.filter.initialSearch is not same as(null) and column.filter.initialSearch is same as(key) %}
             <option value="{{ key }}" selected="selected">{{ name }}</option>
         {% else %}
             <option value="{{ key }}">{{ name }}</option>