ISTWCMS-4053: adding five column layout and updating layout names

src/Plugin/Layout/UwFiveColumnLayout.php

+<?php
+
+namespace Drupal\uw_cfg_common\Plugin\Layout;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Layout\LayoutDefault;
+use Drupal\Core\Plugin\PluginFormInterface;
+
+/**
+ * A UW four column layout.
+ *
+ * @Layout(
+ *   id = "uw_five_column",
+ *   label = @Translation("Five columns"),
+ *   category = @Translation("UW layouts"),
+ *   template = "templates/layout/layout--uwfivecol",
+ *   regions = {
+ *     "first" = {
+ *       "label" = @Translation("Column 1"),
+ *     },
+ *     "second" = {
+ *       "label" = @Translation("Column 2"),
+ *     },
+ *     "third" = {
+ *       "label" = @Translation("Column 3"),
+ *     },
+ *     "fourth" = {
+ *       "label" = @Translation("Column 4"),
+ *     },
+ *     "fifth" = {
+ *       "label" = @Translation("Column 5"),
+ *     },
+ *   }
+ * )
+ */
+class UwFiveColumnLayout extends LayoutDefault implements PluginFormInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+
+    // Get the config for this layout.
+    $configuration = $this->getConfiguration();
+
+    // The options for the column widths.
+    $options = [
+      'even-split' => $this->t('Even split (20%, 20%, 20%, 20%, 20%)'),
+      'larger-left' => $this->t('Larger left (40%, 15%, 15%, 15%, 15%)'),
+      'larger-second' => $this->t('Larger second (15%, 40%, 15%, 15%, 15%)'),
+      'larger-third' => $this->t('Larger third (15%, 15%, 40%, 15%, 15%)'),
+      'larger-fourth' => $this->t('Larger fourth (15%, 15%, 15%, 40%, 15%)'),
+      'larger-right' => $this->t('Larger right (15%, 15%, 15%, 15%, 40%)'),
+      'legacy-23-19-19-19-20' => $this->t('Legacy (23%, 19%, 19%, 19%, 20%)'),
+    ];
+
+    // The form element for the column widths.
+    $form['layout_settings']['column_class'] = [
+      '#type' => 'select',
+      '#title' => $this->t('Column widths'),
+      '#default_value' => !empty($configuration['column_class']) ? $configuration['column_class'] : 'even-split',
+      '#options' => $options,
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+
+    // Set the column class in the config.
+    $this->configuration['column_class'] = $form_state->getValue(['layout_settings', 'column_class'], NULL);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build(array $regions) {
+
+    // Build the render array as usual.
+    $build = parent::build($regions);
+
+    // Retrieve the config for the layout.
+    $configuration = $this->getConfiguration();
+
+    // Set the column class to be used in the layout template.
+    $build['#settings']['column_class'] = $configuration['column_class'];
+
+    return $build;
+  }
+
+}

uw_cfg_common.layouts.yml

 uw_one_column:
-  label: 'UW One column'
+  label: 'One column'
   category: 'UW layouts'
   class: '\Drupal\uw_cfg_common\Plugin\Layout\UwOneColumnLayout'
   template: uw_fdsu_theme_resp/templates/layout/layout--uwonecol
@@ -10,7 +10,7 @@ uw_one_column:
   icon_map:
     - [first]
 uw_two_column:
-  label: 'UW Two columns'
+  label: 'Two columns'
   category: 'UW layouts'
   class: '\Drupal\uw_cfg_common\Plugin\Layout\UwTwoColumnLayout'
   template: uw_fdsu_theme_resp/templates/layout/layout--uwtwocol
@@ -23,7 +23,7 @@ uw_two_column:
   icon_map:
     - [first, second]
 uw_three_column:
-  label: 'UW Three columns'
+  label: 'Three columns'
   category: 'UW layouts'
   class: '\Drupal\uw_cfg_common\Plugin\Layout\UwThreeColumnLayout'
   template: uw_fdsu_theme_resp/templates/layout/layout--uwthreecol
@@ -38,7 +38,7 @@ uw_three_column:
   icon_map:
     - [first, second, third]
 uw_four_column:
-  label: 'UW Four columns'
+  label: 'Four columns'
   category: 'UW layouts'
   class: '\Drupal\uw_cfg_common\Plugin\Layout\UwFourColumnLayout'
   template: uw_fdsu_theme_resp/templates/layout/layout--uwfourcol
@@ -54,3 +54,22 @@ uw_four_column:
       label: Fourth
   icon_map:
     - [first, second, third, fourth]
+uw_five_column:
+  label: 'Five columns'
+  category: 'UW layouts'
+  class: '\Drupal\uw_cfg_common\Plugin\Layout\UwFiveColumnLayout'
+  template: uw_fdsu_theme_resp/templates/layout/layout--uwfivecol
+  default_region: first
+  regions:
+    first:
+      label: One
+    second:
+      label: Two
+    third:
+      label: Third
+    fourth:
+      label: Fourth
+    fifth:
+      label: Fifth
+  icon_map:
+    - [first, second, third, fourth, fifth]
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