diff --git a/composer.json b/composer.json
index ba0a421ac6de756a22d36fbc73adc156419f37c0..7e429471e31a4f55e1693cd4b983ec43dbe3fd37 100644
--- a/composer.json
+++ b/composer.json
@@ -148,6 +148,7 @@
"drupal/mobile_detect_twig_extensions": "1.5",
"drupal/mobile_device_detection": "3.2",
"drupal/module_filter": "3.1",
+ "drupal/multiple_fields_remove_button": "^1.0@alpha",
"drupal/pantheon_advanced_page_cache": "1.1",
"drupal/paragraphs": "1.12",
"drupal/pathauto": "1.8",
diff --git a/composer.lock b/composer.lock
index e8737d4217bfc1cc2067f853bf3adf071ae882ac..0a1fab0b28a5b0bcbaf835fe10553ae1fd19c211 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
"This file is @generated automatically"
],
- "content-hash": "cc2d25c444bb240901cdfc8717674c23",
+ "content-hash": "a38ef5c9575d3782158036e8e6afd6b5",
"packages": [
{
"name": "alchemy/zippy",
@@ -6421,6 +6421,54 @@
"source": "http://cgit.drupalcode.org/module_filter"
}
},
+ {
+ "name": "drupal/multiple_fields_remove_button",
+ "version": "1.0.0-alpha13",
+ "source": {
+ "type": "git",
+ "url": "https://git.drupalcode.org/project/multiple_fields_remove_button.git",
+ "reference": "8.x-1.0-alpha13"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://ftp.drupal.org/files/projects/multiple_fields_remove_button-8.x-1.0-alpha13.zip",
+ "reference": "8.x-1.0-alpha13",
+ "shasum": "d7171a7c1cba940320c271432f8e7c432a539989"
+ },
+ "require": {
+ "drupal/core": "^8 || ^9"
+ },
+ "type": "drupal-module",
+ "extra": {
+ "drupal": {
+ "version": "8.x-1.0-alpha13",
+ "datestamp": "1590964821",
+ "security-coverage": {
+ "status": "not-covered",
+ "message": "Alpha releases are not covered by Drupal security advisories."
+ }
+ }
+ },
+ "notification-url": "https://packages.drupal.org/8/downloads",
+ "license": [
+ "GPL-2.0-or-later"
+ ],
+ "authors": [
+ {
+ "name": "asghar",
+ "homepage": "https://www.drupal.org/user/415797"
+ },
+ {
+ "name": "semjuel",
+ "homepage": "https://www.drupal.org/user/2426534"
+ }
+ ],
+ "description": "Add remove button for multi showing fields.",
+ "homepage": "https://www.drupal.org/project/multiple_fields_remove_button",
+ "support": {
+ "source": "https://git.drupalcode.org/project/multiple_fields_remove_button"
+ }
+ },
{
"name": "drupal/pantheon_advanced_page_cache",
"version": "1.1.0",
@@ -13439,7 +13487,9 @@
"packages-dev": [],
"aliases": [],
"minimum-stability": "dev",
- "stability-flags": [],
+ "stability-flags": {
+ "drupal/multiple_fields_remove_button": 15
+ },
"prefer-stable": true,
"prefer-lowest": false,
"platform": {
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 15df9ebe028ebcace0928e7de928824c8d30490b..6041a8df397efdddeae3aeaa83b6afe4dd183dd3 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -6617,6 +6617,56 @@
"source": "http://cgit.drupalcode.org/module_filter"
}
},
+ {
+ "name": "drupal/multiple_fields_remove_button",
+ "version": "1.0.0-alpha13",
+ "version_normalized": "1.0.0.0-alpha13",
+ "source": {
+ "type": "git",
+ "url": "https://git.drupalcode.org/project/multiple_fields_remove_button.git",
+ "reference": "8.x-1.0-alpha13"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://ftp.drupal.org/files/projects/multiple_fields_remove_button-8.x-1.0-alpha13.zip",
+ "reference": "8.x-1.0-alpha13",
+ "shasum": "d7171a7c1cba940320c271432f8e7c432a539989"
+ },
+ "require": {
+ "drupal/core": "^8 || ^9"
+ },
+ "type": "drupal-module",
+ "extra": {
+ "drupal": {
+ "version": "8.x-1.0-alpha13",
+ "datestamp": "1590964821",
+ "security-coverage": {
+ "status": "not-covered",
+ "message": "Alpha releases are not covered by Drupal security advisories."
+ }
+ }
+ },
+ "installation-source": "dist",
+ "notification-url": "https://packages.drupal.org/8/downloads",
+ "license": [
+ "GPL-2.0-or-later"
+ ],
+ "authors": [
+ {
+ "name": "asghar",
+ "homepage": "https://www.drupal.org/user/415797"
+ },
+ {
+ "name": "semjuel",
+ "homepage": "https://www.drupal.org/user/2426534"
+ }
+ ],
+ "description": "Add remove button for multi showing fields.",
+ "homepage": "https://www.drupal.org/project/multiple_fields_remove_button",
+ "support": {
+ "source": "https://git.drupalcode.org/project/multiple_fields_remove_button"
+ }
+ },
{
"name": "drupal/pantheon_advanced_page_cache",
"version": "1.1.0",
diff --git a/web/modules/multiple_fields_remove_button/LICENSE.txt b/web/modules/multiple_fields_remove_button/LICENSE.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d159169d1050894d3ea3b98e1c965c4058208fe1
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/LICENSE.txt
@@ -0,0 +1,339 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it. (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.) You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+ To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+ For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have. You must make sure that they, too, receive or can get the
+source code. And you must show them these terms so they know their
+rights.
+
+ We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+ Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software. If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
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+ Finally, any free program is threatened constantly by software
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+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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+ 0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License. The "Program", below,
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+ 1. You may copy and distribute verbatim copies of the Program's
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+You may charge a fee for the physical act of transferring a copy, and
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+ 2. You may modify your copy or copies of the Program or any portion
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+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
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+
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+ it under the terms of the GNU General Public License as published by
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+
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+ Gnomovision version 69, Copyright (C) year name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
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+
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+
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+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/web/modules/multiple_fields_remove_button/README.txt b/web/modules/multiple_fields_remove_button/README.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8da1683150f52287262752b46962d56721f64bd6
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/README.txt
@@ -0,0 +1,9 @@
+Description:
+
+Multiple fields remove button add functionality to remove unlimited input fields
+from node form.
+
+Configurations:
+Enable this module and select unlimited option in field form.
+Go to node form and you will see Remove button against each field for which you
+were selected "unlimited" option.
diff --git a/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button-icon-hover.svg b/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button-icon-hover.svg
new file mode 100644
index 0000000000000000000000000000000000000000..6b45a1d5726e5a305022173b9dd062b4bb375153
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button-icon-hover.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#ee0000" d="M3.51 13.925c.194.194.512.195.706.001l3.432-3.431c.194-.194.514-.194.708 0l3.432 3.431c.192.194.514.193.707-.001l1.405-1.417c.191-.195.189-.514-.002-.709l-3.397-3.4c-.192-.193-.192-.514-.002-.708l3.401-3.43c.189-.195.189-.515 0-.709l-1.407-1.418c-.195-.195-.513-.195-.707-.001l-3.43 3.431c-.195.194-.516.194-.708 0l-3.432-3.431c-.195-.195-.512-.194-.706.001l-1.407 1.417c-.194.195-.194.515 0 .71l3.403 3.429c.193.195.193.514-.001.708l-3.4 3.399c-.194.195-.195.516-.001.709l1.406 1.419z"/></svg>
diff --git a/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button-icon.svg b/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button-icon.svg
new file mode 100644
index 0000000000000000000000000000000000000000..ca0d409dc5972dd461904a87ad39dd22f17a0b3e
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button-icon.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#787878" d="M3.51 13.925c.194.194.512.195.706.001l3.432-3.431c.194-.194.514-.194.708 0l3.432 3.431c.192.194.514.193.707-.001l1.405-1.417c.191-.195.189-.514-.002-.709l-3.397-3.4c-.192-.193-.192-.514-.002-.708l3.401-3.43c.189-.195.189-.515 0-.709l-1.407-1.418c-.195-.195-.513-.195-.707-.001l-3.43 3.431c-.195.194-.516.194-.708 0l-3.432-3.431c-.195-.195-.512-.194-.706.001l-1.407 1.417c-.194.195-.194.515 0 .71l3.403 3.429c.193.195.193.514-.001.708l-3.4 3.399c-.194.195-.195.516-.001.709l1.406 1.419z"/></svg>
diff --git a/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button.widget.css b/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button.widget.css
new file mode 100644
index 0000000000000000000000000000000000000000..be9fc4cce0f46f639906fe7383c9c7789bad7d33
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/css/multiple-fields-remove-button.widget.css
@@ -0,0 +1,41 @@
+.has-multiple-fields-remove-button {
+ position: relative;
+ padding-right: 32px !important;
+}
+
+.has-multiple-fields-remove-button .multiple-fields-remove-button,
+.has-multiple-fields-remove-button .multiple-fields-remove-button:hover,
+.has-multiple-fields-remove-button .multiple-fields-remove-button:focus {
+ position: absolute;
+ right: 8px;
+ top: 50%;
+ margin: -8px 0 0 !important;
+ padding: 0 !important;
+ border: 0 !important;
+ box-shadow: none !important;
+ text-indent: -9999px;
+ width: 16px;
+ height: 16px;
+ background: url('multiple-fields-remove-button-icon.svg') no-repeat 50% 50%, url('multiple-fields-remove-button-icon-hover.svg') no-repeat 50% 50%;
+}
+
+.has-multiple-fields-remove-button .multiple-fields-remove-button:hover,
+.has-multiple-fields-remove-button .multiple-fields-remove-button:focus {
+ background-image: url('multiple-fields-remove-button-icon-hover.svg');
+}
+
+.has-multiple-fields-remove-button .multiple-fields-remove-button[disabled] {
+ background: none !important;
+}
+
+.has-multiple-fields-remove-button .multiple-fields-remove-button + .ajax-progress {
+ position: absolute;
+ right: 4px;
+ top: 50%;
+ margin: -8px 0 0 !important;
+}
+
+.has-multiple-fields-remove-button .multiple-fields-remove-button + .ajax-progress .message {
+ text-indent: -9999px;
+ position: absolute;
+}
diff --git a/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.api.php b/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.api.php
new file mode 100644
index 0000000000000000000000000000000000000000..f88aea496d3edb36c231ffe2ac2d787619ecf147
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.api.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @file
+ * Multiple fields remove button API documentation.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Modify field types for which remove button will be added.
+ *
+ * @param array $fieldTypes
+ * A list with field types.
+ */
+function hook_multiple_field_remove_button_field_types_alter(array &$fieldTypes) {
+ $fieldTypes[] = "custom_field_type";
+}
+
+/**
+ * Modify field types for which remove button will not be added.
+ *
+ * @param array $skipTypes
+ * A list with field types.
+ */
+function hook_multiple_field_remove_button_skip_types_alter(array &$skipTypes) {
+ $skipTypes[] = "custom_field_type";
+}
+
+/**
+ * Modify field widgets for which remove button will not be added.
+ *
+ * @param array $skipWidgets
+ * A list with field widgets.
+ */
+function hook_multiple_field_remove_button_skip_widgets_alter(array &$skipWidgets) {
+ $skipWidgets[] = "custom_field_widget";
+}
+
+/**
+ * Modify field names for which remove button will be added.
+ *
+ * @param array $includedFields
+ * A list with field names.
+ */
+function hook_multiple_field_remove_button_field_alter(array &$includedFields) {
+ $includedFields = [];
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */
diff --git a/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.info.yml b/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.info.yml
new file mode 100644
index 0000000000000000000000000000000000000000..d2e07bef242ec9fd372aa75cf288b0eca0e3815e
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.info.yml
@@ -0,0 +1,13 @@
+name: Multiple Fields Remove Button
+type: module
+description: Add remove button for multi showing fields.
+core: 8.x
+core_version_requirement: ^8 || ^9
+package: Fields
+dependencies:
+ - drupal:field
+
+# Information added by Drupal.org packaging script on 2020-05-31
+version: '8.x-1.0-alpha13'
+project: 'multiple_fields_remove_button'
+datestamp: 1590964822
diff --git a/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.libraries.yml b/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.libraries.yml
new file mode 100644
index 0000000000000000000000000000000000000000..3f781054857937e4d5abf4f26f43f9ab32d57bc9
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.libraries.yml
@@ -0,0 +1,4 @@
+multiple_fields_remove_button.widget:
+ css:
+ theme:
+ css/multiple-fields-remove-button.widget.css: {}
diff --git a/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.module b/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.module
new file mode 100644
index 0000000000000000000000000000000000000000..84414897278077d35ba6aa9ed946979d6be63d2e
--- /dev/null
+++ b/web/modules/multiple_fields_remove_button/multiple_fields_remove_button.module
@@ -0,0 +1,509 @@
+<?php
+
+/**
+ * @file
+ * In this file we use widget hooks to extend their functionality.
+ *
+ * We use drupal hooks and add remove button for fields remove.
+ */
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\Core\Language\Language;
+use Drupal\Component\Utility\NestedArray;
+use Drupal\Core\Field\WidgetBase;
+use Drupal\Core\Render\Element;
+
+/**
+ * Ajax callback remove field when remove click is trigger.
+ *
+ * In this callback we will replace field items. Main job
+ * to delete field item we will done into submit handler.
+ *
+ * @param array $form
+ * The complete form structure.
+ * @param FormStateInterface $form_state
+ * The current state of the form.
+ *
+ * @return array
+ * Array element.
+ */
+function multiple_fields_remove_button_js(array $form, FormStateInterface &$form_state) {
+ $button = $form_state->getTriggeringElement();
+ $address = array_slice($button['#array_parents'], 0, -2);
+ // Go one level up in the form, to the widgets container.
+ $parent_element = NestedArray::getValue($form, $address);
+ $field_name = $parent_element['#field_name'];
+ $parents = $parent_element['#field_parents'];
+ $widget_state = WidgetBase::getWidgetState($parents, $field_name, $form_state);
+ // Go one level up in the form, to the widgets container.
+ $element = NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -3));
+ $element['#id'] = $widget_state['wrapper_id'];
+ $element['#prefix'] = '<div class="ajax-new-content">' . (isset($element['#prefix']) ? $element['#prefix'] : '');
+ $element['#suffix'] = (isset($element['#suffix']) ? $element['#suffix'] : '') . '</div>';
+
+ return $element;
+}
+
+/**
+ * Ajax callback to empty individual values of limited-cardinality fields.
+ *
+ * @param array $form
+ * The complete form structure.
+ * @param FormStateInterface $form_state
+ * The current state of the form.
+ *
+ * @return \Drupal\Core\Ajax\AjaxResponse
+ * An Ajax response.
+ */
+function multiple_fields_remove_button_clear_value_js(array $form, FormStateInterface &$form_state) {
+ $button = $form_state->getTriggeringElement();
+ // Get the container element.
+ $element = NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -3));
+ return $element;
+}
+
+/**
+ * Implements hook_element_info_alter().
+ */
+function multiple_fields_remove_button_element_info_alter(array &$info) {
+ if (isset($info['container'])) {
+ $info['container']['#process'][] = 'multiple_fields_remove_button_process_container';
+ }
+}
+
+/**
+ * Add correct wrapper to the element.
+ *
+ * @param array $element
+ * Reference to the Form API form element we're operating on.
+ *
+ * @return array
+ * Array element.
+ */
+function multiple_fields_remove_button_process_container(&$element) {
+ if (isset($element['widget']['add_more']['#ajax']['wrapper'])) {
+ $children = Element::children($element['widget']);
+ $wrapperId = $element['widget']['add_more']['#ajax']['wrapper'];
+
+ foreach ($children as $child) {
+ if (isset($element['widget'][$child]['remove_button'])) {
+ $element['widget'][$child]['remove_button']['#ajax']['wrapper'] = $wrapperId;
+ }
+ }
+ }
+ else if (isset($element['widget'][0]['remove_button'])) {
+ $children = Element::children($element['widget']);
+ foreach ($children as $child) {
+ if (isset($element['widget'][$child]['remove_button'])) {
+ $element['widget'][$child]['remove_button']['#ajax']['wrapper'] = $element['#id'];
+ }
+ }
+ }
+ return $element;
+}
+
+/**
+ * Implements hook_field_widget_form_alter().
+ */
+function multiple_fields_remove_button_field_widget_form_alter(&$element, FormStateInterface $form_state, $context) {
+ // Add remove button for the following field types.
+ $fieldTypes = [
+ 'addressfield_standard',
+ 'address',
+ 'date_popup',
+ 'date_text',
+ 'datetime',
+ 'decimal',
+ 'dynamic_entity_reference',
+ 'email',
+ 'entity_reference',
+ 'entity_reference_autocomplete',
+ 'float',
+ 'integer',
+ 'link',
+ 'location',
+ 'multiple_selects',
+ 'number',
+ 'property_reference',
+ 'string',
+ 'string_long',
+ 'smartdate',
+ 'telephone',
+ 'text',
+ 'text_long',
+ 'text_with_summary',
+ 'timestamp',
+ ];
+
+ // Add extra types with the help of others modules.
+ \Drupal::moduleHandler()
+ ->alter('multiple_field_remove_button_field_types', $fieldTypes);
+
+ /** @var \Drupal\Core\Field\FieldItemListInterface $items */
+ $items = $context['items'];
+ $fieldDefinition = $items->getFieldDefinition();
+ $storage = $fieldDefinition->getFieldStorageDefinition();
+ $type = $storage->getType();
+ $cardinality = $storage->getCardinality();
+
+ // Don't do anything for single-value fields.
+ if ($cardinality == 1) {
+ return;
+ }
+
+ // Don't add 'Remove' button to some field types - issue #2925978.
+ $skipTypes = [
+ 'checkboxes',
+ ];
+ // Allow other modules extends the list.
+ \Drupal::moduleHandler()
+ ->alter('multiple_field_remove_button_skip_types', $skipTypes);
+ $elementType = isset($element['#type']) ? $element['#type'] : [];
+
+ // Don't add 'Remove' button to some widget types - issue #2925978.
+ $skipWidgets = [
+ 'entity_reference_autocomplete_tags',
+ 'autocomplete_deluxe',
+ 'media_library_widget',
+ 'entity_reference_tree',
+ ];
+ // Allow other modules extends the list.
+ \Drupal::moduleHandler()
+ ->alter('multiple_field_remove_button_skip_widgets', $skipWidgets);
+ $element_widget = [];
+ if ($context['widget'] && $context['widget'] instanceof WidgetBase) {
+ $element_widget = $context['widget']->getPluginId() ?? [];
+ }
+
+ // Optionally, only include certain fields.
+ $includedFields = [];
+ \Drupal::moduleHandler()
+ ->alter('multiple_field_remove_button_included_fields', $includedFields);
+
+ $is_cardinality_unlimited = $cardinality == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED;
+
+ if (
+ in_array($type, $fieldTypes) &&
+ !in_array($elementType, $skipTypes) &&
+ !in_array($element_widget, $skipWidgets)
+ ) {
+
+ $field_parents = isset($element['#field_parents']) ? $element['#field_parents'] : [];
+ $field_name = $fieldDefinition->getName();
+ if (!empty($includedFields) && !in_array($field_name, $includedFields)) {
+ return;
+ }
+ $language = isset($element['#language']) ? $element['#language'] : Language::LANGCODE_NOT_SPECIFIED;
+ $delta = _multiple_fields_remove_button_get_delta($element);
+
+ // Get parent which will we use into Remove Button Element.
+ $parents = array_merge($field_parents, [
+ $field_name,
+ $language,
+ $delta,
+ ]);
+ $remove_btn_name = implode('_', $parents) . '_remove_button';
+
+ $callback = $is_cardinality_unlimited
+ ? 'multiple_fields_remove_button_js'
+ : 'multiple_fields_remove_button_clear_value_js';
+
+ $element['remove_button'] = [
+ '#delta' => $delta,
+ '#name' => $remove_btn_name,
+ '#type' => 'submit',
+ '#value' => t('Remove'),
+ '#validate' => [],
+ '#attributes' => [
+ 'class' => [
+ 'multiple-fields-remove-button',
+ ],
+ ],
+ '#submit' => ['multiple_fields_remove_button_fixed_submit_handler'],
+ '#limit_validation_errors' => [],
+ '#ajax' => [
+ 'callback' => $callback,
+ ],
+ '#weight' => 1000,
+ ];
+ if ($is_cardinality_unlimited) {
+ $element['remove_button']['#submit'] = ['multiple_fields_remove_button_submit_handler'];
+ $element['remove_button']['#ajax']['effect'] = 'fade';
+ }
+ }
+}
+
+/**
+ * Submit callback to clear field values for fixed cardinality fields.
+ *
+ * @param array $form
+ * The complete form structure.
+ * @param FormStateInterface $form_state
+ * The current state of the form.
+ */
+function multiple_fields_remove_button_fixed_submit_handler(array $form, FormStateInterface $form_state) {
+ $formValues = $form_state->getValues();
+ $formInputs = $form_state->getUserInput();
+ $button = $form_state->getTriggeringElement();
+ $delta = $button['#delta'];
+ // Where in the form we'll find the parent element.
+ $address = array_slice($button['#array_parents'], 0, -2);
+
+ // Go one level up in the form, to the widgets container.
+ $parent_element = NestedArray::getValue($form, $address);
+ $field_name = $parent_element['#field_name'];
+ $parents = $parent_element['#field_parents'];
+ $field_state = WidgetBase::getWidgetState($parents, $field_name, $form_state);
+
+ // Shift up the following values.
+ $cardinality = $parent_element['#cardinality'];
+ $i = $delta;
+ while ($i < $cardinality - 1) {
+ $old_element_address = array_merge($address, [$i + 1]);
+ $new_element_address = array_merge($address, [$i]);
+
+ $moving_element = NestedArray::getValue($form, $old_element_address);
+ $keys = array_keys($old_element_address, 'widget', TRUE);
+ foreach ($keys as $key) {
+ unset($old_element_address[$key]);
+ }
+ $moving_element_value = NestedArray::getValue($formValues, $old_element_address);
+ $moving_element_input = NestedArray::getValue($formInputs, $old_element_address);
+
+ $keys = array_keys($new_element_address, 'widget', TRUE);
+ foreach ($keys as $key) {
+ unset($new_element_address[$key]);
+ }
+ // Tell the element where it's being moved to.
+ $moving_element['#parents'] = $new_element_address;
+
+ // Move the element around.
+ NestedArray::setValue($formValues, $moving_element['#parents'], $moving_element_value, TRUE);
+ NestedArray::setValue($formInputs, $moving_element['#parents'], $moving_element_input);
+
+ // Save new element values.
+ foreach ($formValues as $key => $value) {
+ $form_state->setValue($key, $value);
+ }
+ $form_state->setUserInput($formInputs);
+ $i++;
+ }
+
+ // Set the last value to be blank.
+ $old_element_address = array_merge($address, [$cardinality - 1]);
+ $moving_element = NestedArray::getValue($form, $old_element_address);
+ NestedArray::setValue($formInputs, $moving_element['#parents'], [
+ 'target_id' => '',
+ '_weight' => $cardinality - 1,
+ ]);
+
+ // Re-set the weights.
+
+ // Fix the weights. Field UI lets the weights be in a range of
+ // (-1 * item_count) to (item_count). This means that when we remove one,
+ // the range shrinks; weights outside of that range then get set to
+ // the first item in the select by the browser, floating them to the top.
+ // We use a brute force method because we lost weights on both ends
+ // and if the user has moved things around, we have to cascade because
+ // if I have items weight weights 3 and 4, and I change 4 to 3 but leave
+ // the 3, the order of the two 3s now is undefined and may not match what
+ // the user had selected.
+ $address = array_slice($button['#array_parents'], 0, -2);
+ $keys = array_keys($address, 'widget', TRUE);
+ foreach ($keys as $key) {
+ unset($address[$key]);
+ }
+ $input = NestedArray::getValue($formInputs, $address);
+
+ if ($input && is_array($input)) {
+ // Sort by weight.
+ uasort($input, '_field_multiple_value_form_sort_helper');
+
+ // Reweight everything in the correct order.
+ $weight = -1 * $field_state['items_count'];
+ foreach ($input as $key => $item) {
+ if ($item) {
+ $input[$key]['_weight'] = $weight++;
+ }
+ }
+ NestedArray::setValue($formInputs, $address, $input);
+ $form_state->setUserInput($formInputs);
+ }
+
+ $form_state->setRebuild();
+}
+
+/**
+ * Submit callback to remove an item from the field UI multiple wrapper.
+ *
+ * When a remove button is submitted, we need to find the item that it
+ * referenced and delete it. Since field UI has the deltas as a straight
+ * unbroken array key, we have to renumber everything down. Since we do this
+ * we *also* need to move all the deltas around in the $form_state['values']
+ * and $form_state['input'] so that user changed values follow. This is a bit
+ * of a complicated process.
+ *
+ * @param array $form
+ * The complete form structure.
+ * @param FormStateInterface $form_state
+ * The current state of the form.
+ */
+function multiple_fields_remove_button_submit_handler(array $form, FormStateInterface $form_state) {
+ $formValues = $form_state->getValues();
+ $formInputs = $form_state->getUserInput();
+ $button = $form_state->getTriggeringElement();
+ $delta = $button['#delta'];
+ // Where in the form we'll find the parent element.
+ $address = array_slice($button['#array_parents'], 0, -2);
+
+ // Go one level up in the form, to the widgets container.
+ $parent_element = NestedArray::getValue($form, $address);
+ $field_name = $parent_element['#field_name'];
+ $parents = $parent_element['#field_parents'];
+ $field_state = WidgetBase::getWidgetState($parents, $field_name, $form_state);
+
+ // Go ahead and renumber everything from our delta to the last
+ // item down one. This will overwrite the item being removed.
+ for ($i = $delta; $i <= $field_state['items_count']; $i++) {
+ $old_element_address = array_merge($address, [$i + 1]);
+ $new_element_address = array_merge($address, [$i]);
+
+ $moving_element = NestedArray::getValue($form, $old_element_address);
+ $keys = array_keys($old_element_address, 'widget', TRUE);
+ foreach ($keys as $key) {
+ unset($old_element_address[$key]);
+ }
+ $moving_element_value = NestedArray::getValue($formValues, $old_element_address);
+ $moving_element_input = NestedArray::getValue($formInputs, $old_element_address);
+
+ $keys = array_keys($new_element_address, 'widget', TRUE);
+ foreach ($keys as $key) {
+ unset($new_element_address[$key]);
+ }
+ // Tell the element where it's being moved to.
+ $moving_element['#parents'] = $new_element_address;
+
+ // Delete default value for the last deleted element.
+ if ($field_state['items_count'] == 0) {
+ $struct_key = NestedArray::getValue($formInputs, $new_element_address);
+ if (is_null($moving_element_value)) {
+ foreach ($struct_key as &$key) {
+ $key = '';
+ }
+ $moving_element_value = $struct_key;
+ }
+ if (is_null($moving_element_input)) {
+ $moving_element_input = $moving_element_value;
+ }
+ }
+
+ // Move the element around.
+ NestedArray::setValue($formValues, $moving_element['#parents'], $moving_element_value, TRUE);
+ NestedArray::setValue($formInputs, $moving_element['#parents'], $moving_element_input);
+
+ // Save new element values.
+ foreach ($formValues as $key => $value) {
+ $form_state->setValue($key, $value);
+ }
+ $form_state->setUserInput($formInputs);
+
+ // Move the entity in our saved state.
+ if (isset($field_state['original_deltas'][$i + 1])) {
+ $field_state['original_deltas'][$i] = $field_state['original_deltas'][$i + 1];
+ }
+ else {
+ unset($field_state['original_deltas'][$i]);
+ }
+ }
+
+ // Replace the deleted entity with an empty one. This helps to ensure that
+ // trying to add a new entity won't resurrect a deleted entity
+ // from the trash bin.
+ // $count = count($field_state['entity']);
+ // Then remove the last item. But we must not go negative.
+ if ($field_state['items_count'] > 0) {
+ $field_state['items_count']--;
+ }
+
+ // Fix the weights. Field UI lets the weights be in a range of
+ // (-1 * item_count) to (item_count). This means that when we remove one,
+ // the range shrinks; weights outside of that range then get set to
+ // the first item in the select by the browser, floating them to the top.
+ // We use a brute force method because we lost weights on both ends
+ // and if the user has moved things around, we have to cascade because
+ // if I have items weight weights 3 and 4, and I change 4 to 3 but leave
+ // the 3, the order of the two 3s now is undefined and may not match what
+ // the user had selected.
+ $address = array_slice($button['#array_parents'], 0, -2);
+ $keys = array_keys($address, 'widget', TRUE);
+ foreach ($keys as $key) {
+ unset($address[$key]);
+ }
+ $input = NestedArray::getValue($formInputs, $address);
+
+ if ($input && is_array($input)) {
+ // Sort by weight.
+ uasort($input, '_field_multiple_value_form_sort_helper');
+
+ // Reweight everything in the correct order.
+ $weight = -1 * $field_state['items_count'];
+ foreach ($input as $key => $item) {
+ if ($item) {
+ $input[$key]['_weight'] = $weight++;
+ }
+ }
+ NestedArray::setValue($formInputs, $address, $input);
+ $form_state->setUserInput($formInputs);
+ }
+
+ $element_id = isset($form[$field_name]['#id']) ? $form[$field_name]['#id'] : '';
+ if (!$element_id) {
+ $element_id = $parent_element['#id'];
+ }
+ $field_state['wrapper_id'] = $element_id;
+ WidgetBase::setWidgetState($parents, $field_name, $form_state, $field_state);
+
+ $form_state->setRebuild();
+}
+
+/**
+ * Implements hook_preprocess_field_multiple_value_form().
+ */
+function multiple_fields_remove_button_preprocess_field_multiple_value_form(&$variables) {
+ // Add wrapper class and stylesheet.
+ if (!empty($variables['multiple']) && isset($variables['element']['#cardinality'])
+ && $variables['element']['#cardinality'] != 1) {
+ $variables['table']['#attached']['library'][] = 'multiple_fields_remove_button/multiple_fields_remove_button.widget';
+ foreach ($variables['table']['#rows'] as &$row) {
+ $row['data'][1]['class'][] = 'has-multiple-fields-remove-button';
+ }
+ }
+}
+
+/**
+ * Helper function to get element delta.
+ *
+ * @param array $element
+ * Form element we're operating on.
+ *
+ * @return int
+ * Element delta.
+ */
+function _multiple_fields_remove_button_get_delta($element) {
+ $delta = 0;
+
+ if (isset($element['#delta'])) {
+ $delta = $element['#delta'];
+ }
+ elseif (isset($element['target_id']['#delta'])) {
+ // Handle delta for entity reference field.
+ $delta = $element['target_id']['#delta'];
+ }
+ elseif (isset($element['value']['#delta'])) {
+ // Handle delta for integer field.
+ $delta = $element['value']['#delta'];
+ }
+
+ return $delta;
+}