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inc/htmltablesuperheader.class.php

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+<?php
+/**
+ * ---------------------------------------------------------------------
+ * GLPI - Gestionnaire Libre de Parc Informatique
+ * Copyright (C) 2015-2020 Teclib' and contributors.
+ *
+ * http://glpi-project.org
+ *
+ * based on GLPI - Gestionnaire Libre de Parc Informatique
+ * Copyright (C) 2003-2014 by the INDEPNET Development Team.
+ *
+ * ---------------------------------------------------------------------
+ *
+ * LICENSE
+ *
+ * This file is part of GLPI.
+ *
+ * GLPI is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GLPI is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GLPI. If not, see <http://www.gnu.org/licenses/>.
+ * ---------------------------------------------------------------------
+ */
+
+if (!defined('GLPI_ROOT')) {
+   die("Sorry. You can't access this file directly");
+}
+
+
+/**
+ * Only an HTMLTableMain can create an HTMLTableSuperHeader.
+ * @since 0.84
+**/
+class HTMLTableSuperHeader extends HTMLTableHeader {
+
+   /// The headers of each column
+   private $headerSets = [];
+   /// The table that owns the current super header
+   private $table;
+
+
+   /**
+    * @param HTMLTableMain        $table    HTMLTableMain object: table owning the current header
+    * @param string               $name     the name of the header
+    * @param string               $content  see inc/HTMLTableEntity#__construct()
+    * @param HTMLTableSuperHeader $father   HTMLTableSuperHeader objet (default NULL)
+   **/
+   function __construct(HTMLTableMain $table, $name, $content, HTMLTableSuperHeader $father = null) {
+
+      $this->table = $table;
+      parent::__construct($name, $content, $father);
+   }
+
+
+   /**
+    * Compute the Least Common Multiple of two integers
+    *
+    * @param $first
+    * @param $second
+    *
+    * @return integer LCM of $first and $second
+   **/
+   private static function LCM($first, $second) {
+
+      $result = $first * $second;
+      while ($first > 1) {
+         $reste = $first % $second;
+         if ($reste == 0) {
+            $result = $result / $second;
+            break;  // leave when LCM is found
+         }
+         $first = $second;
+         $second = $reste;
+      }
+      return $result;
+   }
+
+
+   function isSuperHeader() {
+      return true;
+   }
+
+
+   /**
+    * @see HTMLTableHeader::getHeaderAndSubHeaderName()
+   **/
+   function getHeaderAndSubHeaderName(&$header_name, &$subheader_name) {
+
+      $header_name    = $this->getName();
+      $subheader_name = '';
+   }
+
+
+   function getCompositeName() {
+      return $this->getName().':';
+   }
+
+
+   protected function getTable() {
+      return $this->table;
+   }
+
+
+   /**
+    * compute the total number of current super header colspan: it is the Least Common
+    * Multiple of the colspan of each subHeader it owns.
+    *
+    * @param integer $number the colspan for this header given by the group
+   **/
+   function updateNumberOfSubHeader($number) {
+      $this->setColSpan(self::LCM($number, $this->getColSpan()));
+   }
+
+
+   /**
+    * The super headers always have to be displayed, conversely to sub headers
+    *
+    * @return true
+   **/
+   function hasToDisplay() {
+      return true;
+   }
+
+}