Example for #570.

dist/js/bootstrap-multiselect.js

@@ -338,6 +338,7 @@
             selectAllValue: 'multiselect-all',
             selectAllName: false,
             selectAllNumber: true,
+            selectAllJustVisible: true,
             enableFiltering: false,
             enableCaseInsensitiveFiltering: false,
             enableFullValueFiltering: false,
@@ -353,7 +354,6 @@
             numberDisplayed: 3,
             disableIfEmpty: false,
             delimiterText: ', ',
-            justVisible: true,
             templates: {
                 button: '<button type="button" class="multiselect dropdown-toggle" data-toggle="dropdown"><span class="multiselect-selected-text"></span> <b class="caret"></b></button>',
                 ul: '<ul class="multiselect-container dropdown-menu"></ul>',
@@ -503,10 +503,10 @@
 
                 if (isSelectAllOption) {
                     if (checked) {
-                        this.selectAll(this.options.justVisible);
+                        this.selectAll(this.options.selectAllJustVisible);
                     }
                     else {
-                        this.deselectAll(this.options.justVisible);
+                        this.deselectAll(this.options.selectAllJustVisible);
                     }
                 }
 

index.html

@@ -1801,6 +1801,49 @@
         });
     });
 </script>
+</pre>
+                                    </div>
+                                </td>
+                            </tr>
+                            <tr>
+                                <td>
+                                    <code>selectAllJustVisible</code>
+                                </td>
+                                <td>
+                                    <p>
+                                        Setting both <code>includeSelectAllOption</code> and <code>enableFiltering</code> to <code>true</code>, the select all option does always select only the visible option. With setting <code>selectAllJustVisible</code> to <code>false</code> this behavior is changed such that always all options (irrespective of whether they are visible) are selected.
+                                    </p>
+                                    
+                                    <div class="example">
+                                        <script type="text/javascript">
+                                            $(document).ready(function() {
+                                                $('#example-selectAllJustVisible').multiselect({
+                                                    enableFiltering: true,
+                                                    includeSelectAllOption: true,
+                                                    selectAllJustVisible: false
+                                                });
+                                            });
+                                        </script>
+                                        <select id="example-selectAllJustVisible" multiple="multiple">
+                                            <option value="1">Option 1</option>
+                                            <option value="2">Option 2</option>
+                                            <option value="3">Option 3</option>
+                                            <option value="4">Option 4</option>
+                                            <option value="5">Option 5</option>
+                                            <option value="6">Option 6</option>
+                                        </select>
+                                    </div>
+                                    <div class="highlight">
+<pre class="prettyprint linenums">
+&lt;script type=&quot;text/javascript&quot;&gt;
+    $(document).ready(function() {
+        $('#example-selectAllJustVisible').multiselect({
+            enableFiltering: true,
+            includeSelectAllOption: true,
+            selectAllJustVisible: false
+        });
+    });
+&lt;/script&gt;
 </pre>
                                     </div>
                                 </td>