Refactor form templates to use inheritance

[MAILPOET-2810]

lib/Form/Templates/Template.php

@@ -2,12 +2,93 @@
 
 namespace MailPoet\Form\Templates;
 
-interface Template {
-  public function getName(): string;
+abstract class Template {
+  abstract public function getName(): string;
 
-  public function getBody(): array;
+  abstract public function getBody(): array;
 
-  public function getSettings(): array;
+  public function getSettings(): array {
+    return [
+      'on_success' => 'message',
+      'success_message' => '',
+      'segments' => null,
+      'segments_selected_by' => 'admin',
+    ];
+  }
 
-  public function getStyles(): string;
+  public function getStyles(): string {
+    return <<<EOL
+/* form */
+.mailpoet_form {
+}
+
+/* columns */
+.mailpoet_column_with_background {
+  padding: 10px;
+}
+/* space between columns */
+.mailpoet_form_column:not(:first-child) {
+  margin-left: 20px;
+}
+
+/* input wrapper (label + input) */
+.mailpoet_paragraph {
+  line-height:20px;
+  margin-bottom: 20px;
+}
+
+/* labels */
+.mailpoet_segment_label,
+.mailpoet_text_label,
+.mailpoet_textarea_label,
+.mailpoet_select_label,
+.mailpoet_radio_label,
+.mailpoet_checkbox_label,
+.mailpoet_list_label,
+.mailpoet_date_label {
+  display:block;
+  font-weight: normal;
+}
+
+/* inputs */
+.mailpoet_text,
+.mailpoet_textarea,
+.mailpoet_select,
+.mailpoet_date_month,
+.mailpoet_date_day,
+.mailpoet_date_year,
+.mailpoet_date {
+  display:block;
+}
+
+.mailpoet_text,
+.mailpoet_textarea {
+  width: 200px;
+}
+
+.mailpoet_checkbox {
+}
+
+.mailpoet_submit {
+}
+
+.mailpoet_divider {
+}
+
+.mailpoet_message {
+}
+
+.mailpoet_form_loading {
+  width: 30px;
+  text-align: center;
+  line-height: normal;
+}
+
+.mailpoet_form_loading > span {
+  width: 5px;
+  height: 5px;
+  background-color: #5b5b5b;
+}
+EOL;
+  }
 }

lib/Form/Templates/Templates/DefaultForm.php

@@ -7,7 +7,7 @@ use MailPoet\Form\Templates\Template;
 /**
  * Template for default form created on plugin activation
  */
-class DefaultForm extends InitialForm implements Template {
+class DefaultForm extends Template {
   public function getName(): string {
     return _x('My First Form', 'default name of form (GDPR friendly) to capture emails', 'mailpoet');
   }

lib/Form/Templates/Templates/DemoForm.php

@@ -7,7 +7,7 @@ use MailPoet\Form\Templates\Template;
 /**
  * Temporary form template. Remove after we get real data from designer
  */
-class DemoForm implements Template {
+class DemoForm extends Template {
   public function getName(): string {
     return 'My Fancy Form';
   }

lib/Form/Templates/Templates/InitialForm.php

@@ -4,7 +4,7 @@ namespace MailPoet\Form\Templates\Templates;
 
 use MailPoet\Form\Templates\Template;
 
-class InitialForm implements Template {
+class InitialForm extends Template {
   public function getName(): string {
     return '';
   }
@@ -37,89 +37,4 @@ class InitialForm implements Template {
       ],
     ];
   }
-
-  public function getSettings(): array {
-    return [
-      'on_success' => 'message',
-      'success_message' => '',
-      'segments' => null,
-      'segments_selected_by' => 'admin',
-    ];
-  }
-
-  public function getStyles(): string {
-    return <<<EOL
-/* form */
-.mailpoet_form {
-}
-
-/* columns */
-.mailpoet_column_with_background {
-  padding: 10px;
-}
-/* space between columns */
-.mailpoet_form_column:not(:first-child) {
-  margin-left: 20px;
-}
-
-/* input wrapper (label + input) */
-.mailpoet_paragraph {
-  line-height:20px;
-  margin-bottom: 20px;
-}
-
-/* labels */
-.mailpoet_segment_label,
-.mailpoet_text_label,
-.mailpoet_textarea_label,
-.mailpoet_select_label,
-.mailpoet_radio_label,
-.mailpoet_checkbox_label,
-.mailpoet_list_label,
-.mailpoet_date_label {
-  display:block;
-  font-weight: normal;
-}
-
-/* inputs */
-.mailpoet_text,
-.mailpoet_textarea,
-.mailpoet_select,
-.mailpoet_date_month,
-.mailpoet_date_day,
-.mailpoet_date_year,
-.mailpoet_date {
-  display:block;
-}
-
-.mailpoet_text,
-.mailpoet_textarea {
-  width: 200px;
-}
-
-.mailpoet_checkbox {
-}
-
-.mailpoet_submit {
-}
-
-.mailpoet_divider {
-}
-
-.mailpoet_message {
-}
-
-.mailpoet_form_loading {
-  width: 30px;
-  text-align: center;
-  line-height: normal;
-}
-
-.mailpoet_form_loading > span {
-  width: 5px;
-  height: 5px;
-  background-color: #5b5b5b;
-}
-EOL;
-  }
 }