[英]Drupal block which filter content type by taxonomy
I am using Drupal 9. I want to give the ability to the admin to place a block and select from the block a taxonomy term in which will filter a content type.我正在使用 Drupal 9。我想让管理员能够放置一个块和来自块的 select 一个分类术语,其中将过滤内容类型。
I did the above by creating a custom block with the taxonomy "Sponsor Type" as you can see the screenshot bellow.我通过使用分类“赞助商类型”创建自定义块来完成上述操作,如下面的屏幕截图所示。
Also I use views_embed_view
to pass the taxonomy as an argument and filter the data using Contextual filters
我还使用
views_embed_view
将分类法作为参数传递并使用Contextual filters
过滤数据
Custom block code:自定义块代码:
<?php
namespace Drupal\aek\Plugin\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Form\FormStateInterface;
/**
* Provides a 'SponsorsBlock' block.
*
* @Block(
* id = "sponsors_block",
* admin_label = @Translation("Sponsors"),
* )
*/
class SponsorsBlock extends BlockBase {
/**
* {@inheritdoc}
*/
public function defaultConfiguration() {
return [
"max_items" => 5,
] + parent::defaultConfiguration();
}
public function blockForm($form, FormStateInterface $form_state) {
$sponsors = \Drupal::entityTypeManager()
->getStorage('taxonomy_term')
->loadTree("horigoi");
$sponsorsOptions = [];
foreach ($sponsors as $sponsor) {
$sponsorsOptions[$sponsor->tid] = $sponsor->name;
}
$form['sponsor_types'] = [
'#type' => 'checkboxes',
'#title' => $this->t('Sponsor Type'),
'#description' => $this->t('Select from which sponsor type you want to get'),
'#options' => $sponsorsOptions,
'#default_value' => $this->configuration['sponsor_types'],
'#weight' => '0',
];
$form['max_items'] = [
'#type' => 'number',
'#title' => $this->t('Max items to display'),
'#description' => $this->t('Max Items'),
'#default_value' => $this->configuration['max_items'],
'#weight' => '0',
];
return $form;
}
/**
* {@inheritdoc}
*/
public function blockSubmit($form, FormStateInterface $form_state) {
$this->configuration['sponsor_types'] = $form_state->getValue('sponsor_types');
$this->configuration['max_items'] = $form_state->getValue('max_items');
}
/**
* {@inheritdoc}
*/
public function build() {
$selectedSponsorTypes = $this->configuration['sponsor_types'];
$cnxFilter = '';
foreach ($selectedSponsorTypes as $type) {
if ($type !== 0) {
$cnxFilter .= $type . ",";
}
}
return views_embed_view('embed_sponsors', 'default', $cnxFilter);
}
}
My issue now is how to limit the results.我现在的问题是如何限制结果。 If you look above I have added an option "Max items to display" but using the Contextual filters I can't find any way to pass that argument to handle this.
如果您在上面看,我添加了一个选项“要显示的最大项目”,但是使用上下文过滤器我找不到任何方法来传递该参数来处理这个问题。
If you use views_embed_view()
, you will not be able to access the view object.如果您使用
views_embed_view()
,您将无法访问视图 object。
Load your view manually then you can set any properties before executing it:手动加载您的视图,然后您可以在执行之前设置任何属性:
use Drupal\views\Views;
public function build() {
$selectedSponsorTypes = $this->configuration['sponsor_types'];
$cnxFilter = '';
foreach ($selectedSponsorTypes as $type) {
if ($type !== 0) {
$cnxFilter .= $type . ",";
}
}
$view = Views::getView('embed_sponsors');
$display_id = 'default';
$view->setDisplay($display_id);
$view->setArguments([$cnxFilter]);
$view->setItemsPerPage($this->configuration['max_items']);
$view->execute();
return $view->buildRenderable($display_id);
}
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