/** * Create html for revision navigation * * @param PageChangeLog $pagelog changelog object of current page * @param string $type inline vs sidebyside * @param int $l_rev left revision timestamp * @param int $r_rev right revision timestamp * @return string[] html of left and right navigation elements */ function html_diff_navigation($pagelog, $type, $l_rev, $r_rev) { global $INFO, $ID; // last timestamp is not in changelog, retrieve timestamp from metadata // note: when page is removed, the metadata timestamp is zero if (!$r_rev) { if (isset($INFO['meta']['last_change']['date'])) { $r_rev = $INFO['meta']['last_change']['date']; } else { $r_rev = 0; } } //retrieve revisions with additional info list($l_revs, $r_revs) = $pagelog->getRevisionsAround($l_rev, $r_rev); $l_revisions = array(); if (!$l_rev) { $l_revisions[0] = array(0, "", false); //no left revision given, add dummy } foreach ($l_revs as $rev) { $info = $pagelog->getRevisionInfo($rev); $l_revisions[$rev] = array($rev, dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'], $r_rev ? $rev >= $r_rev : false); } $r_revisions = array(); if (!$r_rev) { $r_revisions[0] = array(0, "", false); //no right revision given, add dummy } foreach ($r_revs as $rev) { $info = $pagelog->getRevisionInfo($rev); $r_revisions[$rev] = array($rev, dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'], $rev <= $l_rev); } //determine previous/next revisions $l_index = array_search($l_rev, $l_revs); $l_prev = $l_revs[$l_index + 1]; $l_next = $l_revs[$l_index - 1]; if ($r_rev) { $r_index = array_search($r_rev, $r_revs); $r_prev = $r_revs[$r_index + 1]; $r_next = $r_revs[$r_index - 1]; } else { //removed page if ($l_next) { $r_prev = $r_revs[0]; } else { $r_prev = null; } $r_next = null; } /* * Left side: */ $l_nav = ''; //move back if ($l_prev) { $l_nav .= html_diff_navigationlink($type, 'diffbothprevrev', $l_prev, $r_prev); $l_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_prev, $r_rev); } //dropdown $form = new Doku_Form(array('action' => wl())); $form->addHidden('id', $ID); $form->addHidden('difftype', $type); $form->addHidden('rev2[1]', $r_rev); $form->addHidden('do', 'diff'); $form->addElement(form_makeListboxField('rev2[0]', $l_revisions, $l_rev, '', '', '', array('class' => 'quickselect'))); $form->addElement(form_makeButton('submit', 'diff', 'Go')); $l_nav .= $form->getForm(); //move forward if ($l_next && ($l_next < $r_rev || !$r_rev)) { $l_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_next, $r_rev); } /* * Right side: */ $r_nav = ''; //move back if ($l_rev < $r_prev) { $r_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_rev, $r_prev); } //dropdown $form = new Doku_Form(array('action' => wl())); $form->addHidden('id', $ID); $form->addHidden('rev2[0]', $l_rev); $form->addHidden('difftype', $type); $form->addHidden('do', 'diff'); $form->addElement(form_makeListboxField('rev2[1]', $r_revisions, $r_rev, '', '', '', array('class' => 'quickselect'))); $form->addElement(form_makeButton('submit', 'diff', 'Go')); $r_nav .= $form->getForm(); //move forward if ($r_next) { if ($pagelog->isCurrentRevision($r_next)) { $r_nav .= html_diff_navigationlink($type, 'difflastrev', $l_rev); //last revision is diff with current page } else { $r_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_rev, $r_next); } $r_nav .= html_diff_navigationlink($type, 'diffbothnextrev', $l_next, $r_next); } return array($l_nav, $r_nav); }
function test_notexistingcurrentpage() { $rev = 1385051947; $currentexpected = false; $pagelog = new PageChangeLog('nonexistingpage', $chunk_size = 8192); $current = $pagelog->isCurrentRevision($rev); $this->assertEquals($currentexpected, $current); }