122 lines
3.3 KiB
PHP
122 lines
3.3 KiB
PHP
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<?php
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/**
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* @file
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* Contains \Drupal\toolbar\Element\Toolbar.
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*/
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namespace Drupal\toolbar\Element;
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use Drupal\Component\Utility\Html;
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use Drupal\Core\Render\Element\RenderElement;
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use Drupal\Core\Render\Element;
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/**
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* Provides a render element for the default Drupal toolbar.
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*
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* @RenderElement("toolbar")
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*/
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class Toolbar extends RenderElement {
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/**
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* {@inheritdoc}
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*/
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public function getInfo() {
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$class = get_class($this);
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return array(
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'#pre_render' => array(
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array($class, 'preRenderToolbar'),
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),
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'#theme' => 'toolbar',
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'#attached' => array(
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'library' => array(
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'toolbar/toolbar',
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),
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),
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// Metadata for the toolbar wrapping element.
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'#attributes' => array(
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// The id cannot be simply "toolbar" or it will clash with the
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// simpletest tests listing which produces a checkbox with attribute
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// id="toolbar".
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'id' => 'toolbar-administration',
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'role' => 'group',
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'aria-label' => $this->t('Site administration toolbar'),
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),
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// Metadata for the administration bar.
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'#bar' => array(
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'#heading' => $this->t('Toolbar items'),
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'#attributes' => array(
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'id' => 'toolbar-bar',
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'role' => 'navigation',
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'aria-label' => $this->t('Toolbar items'),
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),
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),
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);
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}
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/**
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* Builds the Toolbar as a structured array ready for drupal_render().
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*
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* Since building the toolbar takes some time, it is done just prior to
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* rendering to ensure that it is built only if it will be displayed.
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*
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* @param array $element
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* A renderable array.
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*
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* @return array
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* A renderable array.
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*
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* @see toolbar_page_top().
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*/
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public static function preRenderToolbar($element) {
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// Get the configured breakpoints to switch from vertical to horizontal
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// toolbar presentation.
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$breakpoints = static::breakpointManager()->getBreakpointsByGroup('toolbar');
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if (!empty($breakpoints)) {
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$media_queries = array();
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foreach ($breakpoints as $id => $breakpoint) {
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$media_queries[$id] = $breakpoint->getMediaQuery();
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}
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$element['#attached']['drupalSettings']['toolbar']['breakpoints'] = $media_queries;
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}
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$module_handler = static::moduleHandler();
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// Get toolbar items from all modules that implement hook_toolbar().
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$items = $module_handler->invokeAll('toolbar');
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// Allow for altering of hook_toolbar().
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$module_handler->alter('toolbar', $items);
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// Sort the children.
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uasort($items, array('\Drupal\Component\Utility\SortArray', 'sortByWeightProperty'));
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// Merge in the original toolbar values.
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$element = array_merge($element, $items);
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// Assign each item a unique ID, based on its key.
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foreach (Element::children($element) as $key) {
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$element[$key]['#id'] = Html::getId('toolbar-item-' . $key);
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}
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return $element;
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}
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/**
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* Wraps the breakpoint manager.
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*
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* @return \Drupal\breakpoint\BreakpointManagerInterface
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*/
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protected static function breakpointManager() {
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return \Drupal::service('breakpoint.manager');
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}
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/**
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* Wraps the module handler.
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*
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* @return \Drupal\Core\Extension\ModuleHandlerInterface
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*/
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protected static function moduleHandler() {
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return \Drupal::moduleHandler();
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}
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}
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