Version 1

[yaffs-website] / web / core / modules / views / src / Plugin / views / argument / Formula.php

diff --git a/web/core/modules/views/src/Plugin/views/argument/Formula.php b/web/core/modules/views/src/Plugin/views/argument/Formula.php
new file mode 100644 (file)
index 0000000..83b3378
--- /dev/null
+++ b/web/core/modules/views/src/Plugin/views/argument/Formula.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace Drupal\views\Plugin\views\argument;
+
+use Drupal\views\Plugin\views\display\DisplayPluginBase;
+use Drupal\views\ViewExecutable;
+
+/**
+ * Argument handler for simple formulae.
+ *
+ * Child classes of this object should implement summaryArgument, at least.
+ *
+ * Definition terms:
+ * - formula: The formula to use for this handler.
+ *
+ * @ingroup views_argument_handlers
+ *
+ * @ViewsArgument("formula")
+ */
+class Formula extends ArgumentPluginBase {
+
+  public $formula = NULL;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
+    parent::init($view, $display, $options);
+
+    if (!empty($this->definition['formula'])) {
+      $this->formula = $this->definition['formula'];
+    }
+  }
+
+  public function getFormula() {
+    return str_replace('***table***', $this->tableAlias, $this->formula);
+  }
+
+  /**
+   * Build the summary query based on a formula
+   */
+  protected function summaryQuery() {
+    $this->ensureMyTable();
+    // Now that our table is secure, get our formula.
+    $formula = $this->getFormula();
+
+    // Add the field.
+    $this->base_alias = $this->name_alias = $this->query->addField(NULL, $formula, $this->field);
+    $this->query->setCountField(NULL, $formula, $this->field);
+
+    return $this->summaryBasics(FALSE);
+  }
+
+  /**
+   * Build the query based upon the formula
+   */
+  public function query($group_by = FALSE) {
+    $this->ensureMyTable();
+    // Now that our table is secure, get our formula.
+    $placeholder = $this->placeholder();
+    $formula = $this->getFormula() . ' = ' . $placeholder;
+    $placeholders = [
+      $placeholder => $this->argument,
+    ];
+    $this->query->addWhere(0, $formula, $placeholders, 'formula');
+  }
+
+}