[5.2] Added link class selection to TinyMCE dialog

[joomlapl-bot]

PR w związku ze zmianą oryginału joomla/joomla-cms#43260 Poniżej zmiany w oryginale:

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diff --git a/administrator/language/en-GB/plg_editors_tinymce.ini b/administrator/language/en-GB/plg_editors_tinymce.ini
index 7359a2b846992..162458329c143 100644
--- a/administrator/language/en-GB/plg_editors_tinymce.ini
+++ b/administrator/language/en-GB/plg_editors_tinymce.ini
@@ -44,6 +44,11 @@ PLG_TINY_FIELD_HTMLWIDTH_LABEL="HTML Width"
 PLG_TINY_FIELD_LABEL_ADVANCEDPARAMS="Advanced"
 PLG_TINY_FIELD_LANGCODE_LABEL="Language Code"
 PLG_TINY_FIELD_LANGSELECT_LABEL="Automatic Language Selection"
+PLG_TINY_FIELD_LINK_CLASS_LIST_LABEL="Class List"
+PLG_TINY_FIELD_LINK_CLASS_NAME_LABEL="Name"
+PLG_TINY_FIELD_LINK_CLASS_NONE="None"
+PLG_TINY_FIELD_LINK_CLASSES_LIST_DESC="Add default classes to the class dropdown in the create link dialog."
+PLG_TINY_FIELD_LINK_CLASSES_LIST_LABEL="Link Classes List"
 PLG_TINY_FIELD_NEWLINES_LABEL="New Lines"
 PLG_TINY_FIELD_NUMBER_OF_SETS_LABEL="Number of Sets"
 PLG_TINY_FIELD_PASTE_AS_TEXT_LABEL="Paste As Text"
diff --git a/plugins/editors/tinymce/forms/setoptions.xml b/plugins/editors/tinymce/forms/setoptions.xml
index 8179e5772e684..5ac9971c11688 100644
--- a/plugins/editors/tinymce/forms/setoptions.xml
+++ b/plugins/editors/tinymce/forms/setoptions.xml
@@ -403,5 +403,33 @@
 			</form>
 		</field>
 
+		<field
+			name="link_classes_list"
+			type="subform"
+			label="PLG_TINY_FIELD_LINK_CLASSES_LIST_LABEL"
+			description="PLG_TINY_FIELD_LINK_CLASSES_LIST_DESC"
+			layout="joomla.form.field.subform.repeatable-table"
+			required="false"
+			multiple="true">
+			<form>
+				<field
+					name="class_name"
+					type="text"
+					label="PLG_TINY_FIELD_LINK_CLASS_NAME_LABEL"
+					required="true"
+					filter="string"
+					default=""
+				/>
+				<field
+					name="class_list"
+					type="text"
+					label="PLG_TINY_FIELD_LINK_CLASS_LIST_LABEL"
+					required="true"
+					filter="string"
+					validate="CssIdentifier"
+					default=""
+				/>
+			</form>
+		</field>
 	</fieldset>
 </form>
diff --git a/plugins/editors/tinymce/src/PluginTraits/DisplayTrait.php b/plugins/editors/tinymce/src/PluginTraits/DisplayTrait.php
index be10b339218d4..4686bd6905d59 100644
--- a/plugins/editors/tinymce/src/PluginTraits/DisplayTrait.php
+++ b/plugins/editors/tinymce/src/PluginTraits/DisplayTrait.php
@@ -382,6 +382,23 @@ public function display(string $name, string $content = '', array $attributes =
         // Merge the two toolbars for backwards compatibility
         $toolbar = array_merge($toolbar1, $toolbar2);
 
+        // Set default classes to empty
+        $linkClasses = [];
+
+        // Load the link classes list
+        if (isset($extraOptions->link_classes_list) && $extraOptions->link_classes_list) {
+            $linksClassesList = $extraOptions->link_classes_list;
+
+            if ($linksClassesList) {
+                $linkClasses = [['title' => TEXT::_('PLG_TINY_FIELD_LINK_CLASS_NONE'), 'value' => '']];
+
+                // Create an array for the link classes
+                foreach ($linksClassesList as $linksClassList) {
+                    array_push($linkClasses, ['title' => $linksClassList->class_name, 'value' => $linksClassList->class_list]);
+                }
+            }
+        }
+
         // Build the final options set
         $scriptOptions   = array_merge(
             $scriptOptions,
@@ -424,6 +441,9 @@ public function display(string $name, string $content = '', array $attributes =
                 'relative_urls'      => (bool) $levelParams->get('relative_urls', true),
                 'remove_script_host' => false,
 
+                // Link classes
+                'link_class_list' => $linkClasses,
+
                 // Drag and drop Images always FALSE, reverting this allows for inlining the images
                 'paste_data_images' => false,