/**
* Renders tab items as specified on [[items]].
*
* @return string the rendering result.
* @throws InvalidConfigException.
*/
protected function renderItems()
{
$headers = [];
$panes = [];
if (!$this->hasActiveTab() && !empty($this->items)) {
$this->items[0]['active'] = true;
}
foreach ($this->items as $n => $item) {
if (!array_key_exists('label', $item)) {
throw new InvalidConfigException("The 'label' option is required.");
}
$encodeLabel = isset($item['encode']) ? $item['encode'] : $this->encodeLabels;
$label = $encodeLabel ? Html::encode($item['label']) : $item['label'];
$headerOptions = array_merge($this->headerOptions, ArrayHelper::getValue($item, 'headerOptions', []));
$linkOptions = array_merge($this->linkOptions, ArrayHelper::getValue($item, 'linkOptions', []));
if (isset($item['items'])) {
$label .= ' <b class="caret"></b>';
Html::addCssClass($headerOptions, 'dropdown');
if ($this->renderDropdown($n, $item['items'], $panes)) {
Html::addCssClass($headerOptions, 'active');
}
Html::addCssClass($linkOptions, 'dropdown-toggle');
$linkOptions['data-toggle'] = 'dropdown';
$header = Html::a($label, "#", $linkOptions) . "\n" . Dropdown::widget(['items' => $item['items'], 'view' => $this->getView()]);
} else {
$options = array_merge($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');
}
$linkOptions['data-toggle'] = 'tab';
$header = Html::a($label, '#' . $options['id'], $linkOptions);
if ($this->renderTabContent) {
$panes[] = Html::tag('div', isset($item['content']) ? $item['content'] : '', $options);
}
}
$headers[] = Html::tag('li', $header, $headerOptions);
}
return Html::tag('ul', implode("\n", $headers), $this->options) . ($this->renderTabContent ? "\n" . Html::tag('div', implode("\n", $panes), ['class' => 'tab-content']) : '');
}
/**
* Renders menu items.
*
* @param array $items the menu items to be rendered
* @param array $options the container HTML attributes
* @return string the rendering result.
* @throws InvalidConfigException if the label option is not specified in one of the items.
*/
protected function renderItems($items, $options = [])
{
$lines = [];
foreach ($items as $i => $item) {
if (isset($item['visible']) && !$item['visible']) {
unset($items[$i]);
continue;
}
if (is_string($item)) {
$lines[] = $item;
continue;
}
if (!array_key_exists('label', $item)) {
throw new InvalidConfigException("The 'label' option is required.");
}
$encodeLabel = isset($item['encode']) ? $item['encode'] : $this->encodeLabels;
$label = $encodeLabel ? Html::encode($item['label']) : $item['label'];
$itemOptions = ArrayHelper::getValue($item, 'options', []);
$linkOptions = ArrayHelper::getValue($item, 'linkOptions', []);
$linkOptions['tabindex'] = '-1';
$url = array_key_exists('url', $item) ? $item['url'] : null;
if (empty($item['items'])) {
if ($url === null) {
$content = $label;
Html::addCssClass($itemOptions, 'dropdown-header');
} else {
$content = Html::a($label, $url, $linkOptions);
}
} else {
$submenuOptions = $options;
unset($submenuOptions['id']);
$content = Html::a($label, $url === null ? '#' : $url, $linkOptions) . $this->renderItems($item['items'], $submenuOptions);
Html::addCssClass($itemOptions, 'dropdown-submenu');
}
$lines[] = Html::tag('li', $content, $itemOptions);
}
return Html::tag('ul', implode("\n", $lines), $options);
}