#58 how to use widget with ajax load

Author: unclead

README.md

@@ -357,6 +357,15 @@ In this case you can use `enableGuessTitle` option like in the example below:
 
 ```
 
+### Ajax load of a widget
+
+Assume you want to load a widget via ajax and then show it inside modal window. In this case you MUST:
+
+- Ensure that you specified ID of widget otherwise the widget will get random ID and it can be the same as id of others elements on the page.
+- Ensure that you use the widget inside ActiveForm because it works incorrectly in this case.
+
+You can fina an example of usage in a discussion of issue #58
+
 ## JavaScript events
 This widget has following events:
  - `afterInit`: triggered after initialization

src/MultipleInput.php

@@ -129,9 +129,9 @@ protected function initData()
      */
     protected function guessColumns()
     {
-        if (empty($this->columns) && $this->hasModel()) {
+        if (empty($this->columns)) {
             $column = [
-                'name' => $this->attribute,
+                'name' => $this->hasModel() ? $this->attribute : $this->name,
                 'type' => MultipleInputColumn::TYPE_TEXT_INPUT
             ];
 

src/components/BaseColumn.php

@@ -234,7 +234,7 @@ public function renderInput($name, $options)
             $optionsExt = $this->options;
         }
 
-        $options = Arrayhelper::merge($optionsExt, $options);
+        $options = ArrayHelper::merge($optionsExt, $options);
         $method = 'render' . Inflector::camelize($this->type);
         $value = $this->prepareValue();
 

src/renderers/TableRenderer.php

@@ -141,6 +141,7 @@ private function renderRowContent($index = null, $item = null)
     {
         $cells = [];
         $hiddenInputs = [];
+
         foreach ($this->columns as $column) {
             /* @var $column BaseColumn */
             $column->setModel($item);