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lib/pkp/classes/controllers/grid/DateGridCellProvider.php

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+<?php
+
+/**
+ * @file classes/controllers/grid/DateGridCellProvider.php
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2000-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class DateGridCellProvider
+ *
+ * @ingroup controllers_grid
+ *
+ * @brief Wraps date formatting support around a provided DataProvider.
+ */
+
+namespace PKP\controllers\grid;
+
+use PKP\core\PKPString;
+
+class DateGridCellProvider extends GridCellProvider
+{
+    /** @var GridCellProvider The actual data provider to wrap */
+    public $_dataProvider;
+
+    /** @var string The format to use; see DateTime::format */
+    public $_format;
+
+    /**
+     * Constructor
+     *
+     * @param GridCellProvider $dataProvider The object to wrap
+     * @param string $format See DateTime::format
+     */
+    public function __construct($dataProvider, $format)
+    {
+        parent::__construct();
+        $this->_dataProvider = $dataProvider;
+        $this->_format = PKPString::convertStrftimeFormat($format);
+    }
+
+    //
+    // Template methods from GridCellProvider
+    //
+    /**
+     * Fetch a value from the provided DataProvider (in constructor)
+     * and format it as a date.
+     *
+     * @param \PKP\controllers\grid\GridRow $row
+     * @param GridColumn $column
+     *
+     * @return array
+     */
+    public function getTemplateVarsFromRowColumn($row, $column)
+    {
+        $v = $this->_dataProvider->getTemplateVarsFromRowColumn($row, $column);
+        $v['label'] = date($this->_format, strtotime($v['label']));
+        return $v;
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\controllers\grid\DateGridCellProvider', '\DateGridCellProvider');
+}