/**
* Renders tab items as specified on [[items]].
* @return string the rendering result.
* @throws InvalidConfigException.
*/
protected function renderItems()
{
$headers = [];
$panes = [];
foreach ($this->items as $n => $item) {
if (!isset($item['label'])) {
throw new InvalidConfigException("The 'label' option is required.");
}
$label = $this->encodeLabels ? Html::encode($item['label']) : $item['label'];
$headerOptions = array_merge($this->headerOptions, ArrayHelper::getValue($item, 'headerOptions', []));
if (isset($item['items'])) {
if ($this->styled) {
throw new InvalidConfigException("The 'styled' not support dropdown items. Please, set 'styled' to false.");
}
$label .= ' <b class="caret"></b>';
Html::addCssClass($headerOptions, 'dropdown');
if ($this->renderDropdown($item['items'], $panes)) {
Html::addCssClass($headerOptions, 'active');
}
$header = Html::a($label, "#", ['class' => 'dropdown-toggle', 'data-toggle' => 'dropdown']) . "\n" . Dropdown::widget(['items' => $item['items'], 'clientOptions' => false]);
} elseif (isset($item['content'])) {
$options = array_merge($this->itemOptions, ArrayHelper::getValue($item, 'options', []));
$options['id'] = ArrayHelper::getValue($options, 'id', $this->options['id'] . '-tab' . $n);
Html::addCssClass($options, 'tab-pane');
if (ArrayHelper::remove($item, 'active')) {
Html::addCssClass($options, 'active');
Html::addCssClass($headerOptions, 'active');
}
$header = Html::a($label, '#' . $options['id'], ['data-toggle' => 'tab']);
$panes[] = Html::tag('div', $item['content'], $options);
} else {
throw new InvalidConfigException("Either the 'content' or 'items' option must be set.");
}
$headers[] = Html::tag('li', $header, $headerOptions);
}
$headers = Html::tag('ul', implode("\n", $headers), $this->options);
$panes = Html::tag('div', implode("\n", $panes), ['class' => 'tab-content']);
return $this->placement == self::PLACEMENT_BELOW ? $panes . "\n" . $headers : $headers . "\n" . $panes;
}
/**
* Renders the dropdown
* @return string the rendering result
*/
protected function renderDropdown()
{
$config = $this->dropdown;
$config['clientOptions'] = false;
return Dropdown::widget($config);
}
/**
* Renders a widget's item.
* @param string|array $item the item to render.
* @return string the rendering result.
* @throws InvalidConfigException
*/
public function renderItem($item)
{
if (is_string($item)) {
return $item;
}
if (!isset($item['label']) && !isset($item['icon'])) {
throw new InvalidConfigException("The 'label' option is required.");
}
$type = ArrayHelper::getValue($item, 'type', '');
$options = ArrayHelper::getValue($item, 'options', []);
if ($type === 'user') {
$label = $item['label'];
Html::addCssClass($options, 'user');
} else {
$label = $this->encodeLabels ? Html::encode($item['label']) : $item['label'];
}
$icon = ArrayHelper::getValue($item, 'icon', null);
if ($icon) {
$label = Html::tag('i', '', ['alt' => $label, 'class' => $icon]);
}
$label .= ArrayHelper::getValue($item, 'badge', '');
$items = ArrayHelper::getValue($item, 'items');
$url = Url::toRoute(ArrayHelper::getValue($item, 'url', '#'));
$linkOptions = ArrayHelper::getValue($item, 'linkOptions', []);
if (isset($item['active'])) {
$active = ArrayHelper::remove($item, 'active', false);
} else {
$active = $this->isItemActive($item);
}
if ($active) {
Html::addCssClass($options, 'active');
}
if ($items !== null) {
$linkOptions['data-toggle'] = 'dropdown';
$linkOptions['data-hover'] = 'dropdown';
$linkOptions['data-close-others'] = 'true';
Html::addCssClass($options, 'dropdown');
Html::addCssClass($linkOptions, 'dropdown-toggle');
if (is_array($items)) {
$items = Dropdown::widget(['title' => ArrayHelper::getValue($item, 'title', ''), 'more' => ArrayHelper::getValue($item, 'more', []), 'scroller' => ArrayHelper::getValue($item, 'scroller', []), 'items' => $items, 'encodeLabels' => $this->encodeLabels, 'clientOptions' => false, 'options' => $type !== 'user' ? ['class' => 'extended'] : []]);
}
}
return Html::tag('li', Html::a($label, $url, $linkOptions) . $items, $options);
}
