/**
* 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 => $item) {
if (!ArrayHelper::remove($item, 'visible', true)) {
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'];
$headerOptions = array_merge($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, ['widget' => 'dropdown']);
if ($this->renderDropdown($n, $item['items'], $panes)) {
Html::addCssClass($headerOptions, 'active');
}
Html::addCssClass($linkOptions, ['widget' => 'dropdown-toggle']);
$linkOptions['data-toggle'] = 'dropdown';
$header = Html::a($label, "#", $linkOptions) . "\n" . Dropdown::widget(['items' => $item['items'], 'clientOptions' => false, '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, ['widget' => 'tab-pane']);
if (ArrayHelper::remove($item, 'active')) {
Html::addCssClass($options, 'active');
Html::addCssClass($headerOptions, 'active');
}
if (isset($item['url'])) {
$header = Html::a($label, $item['url'], $linkOptions);
} else {
$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 $item) {
if (isset($item['visible']) && !$item['visible']) {
continue;
}
if (is_string($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, ['widget' => 'dropdown-header']);
} else {
$content = Html::a($label, $url, $linkOptions);
}
} else {
$submenuOptions = $this->submenuOptions;
if (isset($item['submenuOptions'])) {
$submenuOptions = array_merge($submenuOptions, $item['submenuOptions']);
}
$content = Html::a($label, $url === null ? '#' : $url, $linkOptions) . $this->renderItems($item['items'], $submenuOptions);
Html::addCssClass($itemOptions, ['widget' => 'dropdown-submenu']);
}
$lines[] = Html::tag('li', $content, $itemOptions);
}
return Html::tag('ul', implode("\n", $lines), $options);
}
/**
* Renders a single collapsible item group
* @param string $header a label of the item group [[items]]
* @param array $item a single item from [[items]]
* @param integer $index the item index as each item group content must have an id
* @return string the rendering result
* @throws InvalidConfigException
*/
public function renderItem($header, $item, $index)
{
if (array_key_exists('content', $item)) {
$id = $this->options['id'] . '-collapse' . $index;
$options = ArrayHelper::getValue($item, 'contentOptions', []);
$options['id'] = $id;
Html::addCssClass($options, ['widget' => 'panel-collapse', 'collapse' => 'collapse']);
$encodeLabel = isset($item['encode']) ? $item['encode'] : $this->encodeLabels;
if ($encodeLabel) {
$header = Html::encode($header);
}
$headerToggle = Html::a($header, '#' . $id, ['class' => 'collapse-toggle', 'data-toggle' => 'collapse', 'data-parent' => '#' . $this->options['id']]) . "\n";
$header = Html::tag('h4', $headerToggle, ['class' => 'panel-title']);
if (is_string($item['content']) || is_object($item['content'])) {
$content = Html::tag('div', $item['content'], ['class' => 'panel-body']) . "\n";
} elseif (is_array($item['content'])) {
$content = Html::ul($item['content'], ['class' => 'list-group', 'itemOptions' => ['class' => 'list-group-item'], 'encode' => false]) . "\n";
if (isset($item['footer'])) {
$content .= Html::tag('div', $item['footer'], ['class' => 'panel-footer']) . "\n";
}
} else {
throw new InvalidConfigException('The "content" option should be a string, array or object.');
}
} else {
throw new InvalidConfigException('The "content" option is required.');
}
$group = [];
$group[] = Html::tag('div', $header, ['class' => 'panel-heading']);
$group[] = Html::tag('div', $content, $options);
return implode("\n", $group);
}
/**
* Renders previous and next control buttons.
* @throws InvalidConfigException if [[controls]] is invalid.
*/
public function renderControls()
{
if (isset($this->controls[0], $this->controls[1])) {
return Html::a($this->controls[0], '#' . $this->options['id'], ['class' => 'left carousel-control', 'data-slide' => 'prev']) . "\n" . Html::a($this->controls[1], '#' . $this->options['id'], ['class' => 'right carousel-control', 'data-slide' => 'next']);
} elseif ($this->controls === false) {
return '';
} else {
throw new InvalidConfigException('The "controls" property must be either false or an array of two elements.');
}
}
/**
* Initializes the widget.
*/
public function init()
{
parent::init();
$this->clientOptions = false;
if (empty($this->options['class'])) {
Html::addCssClass($this->options, ['navbar', 'navbar-default']);
} else {
Html::addCssClass($this->options, ['widget' => 'navbar']);
}
if (empty($this->options['role'])) {
$this->options['role'] = 'navigation';
}
$options = $this->options;
$tag = ArrayHelper::remove($options, 'tag', 'nav');
echo Html::beginTag($tag, $options);
if ($this->renderInnerContainer) {
if (!isset($this->innerContainerOptions['class'])) {
Html::addCssClass($this->innerContainerOptions, 'container');
}
echo Html::beginTag('div', $this->innerContainerOptions);
}
echo Html::beginTag('div', ['class' => 'navbar-header']);
if (!isset($this->containerOptions['id'])) {
$this->containerOptions['id'] = "{$this->options['id']}-collapse";
}
echo $this->renderToggleButton();
if ($this->brandLabel !== false) {
Html::addCssClass($this->brandOptions, ['widget' => 'navbar-brand']);
echo Html::a($this->brandLabel, $this->brandUrl === false ? Yii::$app->homeUrl : $this->brandUrl, $this->brandOptions);
}
echo Html::endTag('div');
Html::addCssClass($this->containerOptions, ['collapse' => 'collapse', 'widget' => 'navbar-collapse']);
$options = $this->containerOptions;
$tag = ArrayHelper::remove($options, 'tag', 'div');
echo Html::beginTag($tag, $options);
}
/**
* 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'])) {
throw new InvalidConfigException("The 'label' option is required.");
}
$encodeLabel = isset($item['encode']) ? $item['encode'] : $this->encodeLabels;
$label = $encodeLabel ? Html::encode($item['label']) : $item['label'];
$options = ArrayHelper::getValue($item, 'options', []);
$items = ArrayHelper::getValue($item, 'items');
$url = ArrayHelper::getValue($item, 'url', '#');
$linkOptions = ArrayHelper::getValue($item, 'linkOptions', []);
if (isset($item['active'])) {
$active = ArrayHelper::remove($item, 'active', false);
} else {
$active = $this->isItemActive($item);
}
if ($items !== null) {
$linkOptions['data-toggle'] = 'dropdown';
Html::addCssClass($options, ['widget' => 'dropdown']);
Html::addCssClass($linkOptions, ['widget' => 'dropdown-toggle']);
if ($this->dropDownCaret !== '') {
$label .= ' ' . $this->dropDownCaret;
}
if (is_array($items)) {
if ($this->activateItems) {
$items = $this->isChildActive($items, $active);
}
$items = $this->renderDropdown($items, $item);
}
}
if ($this->activateItems && $active) {
Html::addCssClass($options, 'active');
}
return Html::tag('li', Html::a($label, $url, $linkOptions) . $items, $options);
}