/**
* Returns pagination links for the current URL with $count and $limit items.
*
* @param $count the total number of items
* @param $limit the number of items per page
*/
public static function get($count, $limit = null, $itemsOnPage = null, $page = null, $listName = null, $otherParams = array())
{
if (null != $limit) {
self::$_options['default_limit'] = $limit;
}
if (Erfurt_Store::COUNT_NOT_SUPPORTED == $count) {
self::$_options['show_first_last'] = false;
//self::$_options['max_page_links'] = 0;
}
// get URL with params p (page number) and limit (not used atm)
$paramsToKeep = array_merge($otherParams, array('p', 'limit', 'r', 'm'));
self::$_url = new OntoWiki_Url(array(), $paramsToKeep);
self::$_url->setParam("list", $listName);
$limit = isset(self::$_url->limit) ? self::$_url->limit : self::$_options['default_limit'];
if ($limit == 0) {
// means no limit
// no pager needed
return "";
}
$page = isset(self::$_url->{self::$_options['page_param']}) ? self::$_url->{self::$_options['page_param']} : ($page != null ? $page : 1);
// self::$_url->limit = $limit;
$pagerLinks = array();
// translation helper
$translate = OntoWiki::getInstance()->translate;
// pagination necessary
if ($count > $limit || $count == Erfurt_Store::COUNT_NOT_SUPPORTED) {
// previous page exists
if ($page > 1) {
if (self::$_options['show_first_last']) {
self::$_url->{self::$_options['page_param']} = 1;
self::$_url->limit = $limit;
$pagerLinks[] = sprintf('<a class="minibutton" href="%s">%s</a>', self::$_url, self::$firstHtml . $translate->_('First'));
}
self::$_url->{self::$_options['page_param']} = $page - 1;
self::$_url->limit = $limit;
$pagerLinks[] = sprintf('<a class="minibutton" href="%s">%s</a>', self::$_url, self::$prevHtml . $translate->_('Previous'));
} else {
if (self::$_options['show_first_last']) {
$pagerLinks[] = sprintf('<a class="disabled minibutton">%s</a>', self::$firstHtml . $translate->_('First'));
}
$pagerLinks[] = sprintf('<a class="disabled minibutton">%s</a>', self::$prevHtml . $translate->_('Previous'));
}
// individual page links
if ($count != null) {
if (self::$_options['show_first_last']) {
$maxLinksAsym = floor(self::$_options['max_page_links'] / 2);
$offset = 0;
} else {
// first and last links are disabled, so always show first and last individual page
$maxLinksAsym = floor((self::$_options['max_page_links'] - 2) / 2);
self::$_url->{self::$_options['page_param']} = 1;
self::$_url->limit = $limit;
if ($page == 1) {
$pagerLinks[] = '<a class="selected minibutton">1</a>';
} else {
$pagerLinks[] = '<a class="minibutton" href="' . self::$_url . '">1</a>';
}
$offset = 1;
// if there is a gap, show dots
if ($page - $maxLinksAsym > 2) {
$pagerLinks[] = '…';
}
}
if ($count === Erfurt_Store::COUNT_NOT_SUPPORTED) {
for ($i = max(1 + $offset, $page - $maxLinksAsym); $i <= $page; ++$i) {
self::$_url->{self::$_options['page_param']} = $i;
self::$_url->limit = $limit;
if ($page == $i) {
$pagerLinks[] = '<a class="selected minibutton">' . $i . '</a>';
} else {
$pagerLinks[] = '<a class="minibutton" href="' . self::$_url . '">' . $i . '</a>';
}
}
} else {
$forLoopTest = min(ceil($count / $limit) - $offset, $page + $maxLinksAsym);
for ($i = max(1 + $offset, $page - $maxLinksAsym); $i <= $forLoopTest; ++$i) {
self::$_url->{self::$_options['page_param']} = $i;
self::$_url->limit = $limit;
if ($page == $i) {
$pagerLinks[] = '<a class="selected minibutton">' . $i . '</a>';
} else {
$pagerLinks[] = '<a class="minibutton" href="' . self::$_url . '">' . $i . '</a>';
}
}
}
if (!self::$_options['show_first_last'] && $count !== Erfurt_Store::COUNT_NOT_SUPPORTED) {
self::$_url->{self::$_options['page_param']} = (int) ceil($count / $limit);
self::$_url->limit = $limit;
if (self::$_url->{self::$_options['page_param']} - $page > 2) {
$pagerLinks[] = '…';
}
if ($page == self::$_url->{self::$_options['page_param']}) {
$pagerLinks[] = '<a class="selected minibutton">' . self::$_url->{self::$_options['page_param']} . '</a>';
} else {
$pagerLinks[] = '<a class="minibutton" href="' . self::$_url . '">' . self::$_url->{self::$_options['page_param']} . '</a>';
}
}
}
// next page exists
if ($count > $page * $limit || $count == Erfurt_Store::COUNT_NOT_SUPPORTED && $itemsOnPage === $limit) {
self::$_url->{self::$_options['page_param']} = $page + 1;
self::$_url->limit = $limit;
$pagerLinks[] = sprintf('<a class="minibutton" href="%s">%s</a>', self::$_url, $translate->_('Next') . self::$nextHtml);
if (self::$_options['show_first_last']) {
self::$_url->{self::$_options['page_param']} = (int) ceil($count / $limit);
self::$_url->limit = $limit;
$pagerLinks[] = sprintf('<a class="minibutton" href="%s">%s</a>', self::$_url, $translate->_('Last') . self::$lastHtml);
}
} else {
$pagerLinks[] = sprintf('<a class="disabled minibutton">%s</a>', $translate->_('Next') . self::$nextHtml);
if (self::$_options['show_first_last']) {
$pagerLinks[] = sprintf('<a class="disabled minibutton">%s</a>', $translate->_('Last') . self::$lastHtml);
}
}
$ret = '<ul>';
foreach ($pagerLinks as $link) {
$ret .= '<li>' . $link . '</li>';
}
$ret .= '</ul>';
return $ret;
}
}
/**
* Listing history for selected Resource
*/
public function listAction()
{
$model = $this->_owApp->selectedModel;
$translate = $this->_owApp->translate;
$store = $this->_erfurt->getStore();
$resource = $this->_owApp->selectedResource;
$ac = $this->_erfurt->getAc();
$params = $this->_request->getParams();
$limit = 20;
$rUriEncoded = urlencode((string) $resource);
$mUriEncoded = urlencode((string) $model);
$feedUrl = $this->_config->urlBase . "history/feed?r={$rUriEncoded}&mUriEncoded";
$this->view->headLink()->appendAlternate($feedUrl, 'application/atom+xml', 'History Feed');
// redirecting to home if no model/resource is selected
if (empty($model) || empty($this->_owApp->selectedResource) && empty($params['r']) && $this->_owApp->lastRoute !== 'instances') {
$this->_abort('No model/resource selected.', OntoWiki_Message::ERROR);
}
// getting page (from and for paging)
if (!empty($params['page']) && (int) $params['page'] > 0) {
$page = (int) $params['page'];
} else {
$page = 1;
}
// enabling versioning
$versioning = $this->_erfurt->getVersioning();
$versioning->setLimit($limit);
if (!$versioning->isVersioningEnabled()) {
$this->_abort('Versioning/History is currently disabled', null, false);
}
$singleResource = true;
// setting if class or instances
if ($this->_owApp->lastRoute === 'instances') {
// setting default title
$title = $resource->getTitle() ? $resource->getTitle() : OntoWiki_Utils::contractNamespace($resource->getIri());
$windowTitle = $translate->_('Versions for elements of the list');
$listHelper = Zend_Controller_Action_HelperBroker::getStaticHelper('List');
$listName = "instances";
if ($listHelper->listExists($listName)) {
$list = $listHelper->getList($listName);
$list->setStore($store);
} else {
$this->_owApp->appendMessage(new OntoWiki_Message('something went wrong with the list of instances', OntoWiki_Message::ERROR));
}
$query = clone $list->getResourceQuery();
$query->setLimit(0);
$query->setOffset(0);
//echo htmlentities($query);
$results = $model->sparqlQuery($query);
$resourceVar = $list->getResourceVar()->getName();
$resources = array();
foreach ($results as $result) {
$resources[] = $result[$resourceVar];
}
//var_dump($resources);
$historyArray = $versioning->getHistoryForResourceList($resources, (string) $this->_owApp->selectedModel, $page);
//var_dump($historyArray);
$singleResource = false;
} else {
// setting default title
$title = $resource->getTitle() ? $resource->getTitle() : OntoWiki_Utils::contractNamespace($resource->getIri());
$windowTitle = sprintf($translate->_('Versions for %1$s'), $title);
$historyArray = $versioning->getHistoryForResource((string) $resource, (string) $this->_owApp->selectedModel, $page);
}
$historyArrayCount = count($historyArray);
if ($historyArrayCount === $limit + 1) {
$count = $page * $limit + 1;
unset($historyArray[$limit]);
} else {
$count = ($page - 1) * $limit + $historyArrayCount;
}
$idArray = array();
$userArray = $this->_erfurt->getUsers();
$titleHelper = new OntoWiki_Model_TitleHelper();
// Load IDs for rollback and Username Labels for view
foreach ($historyArray as $key => $entry) {
$idArray[] = (int) $entry['id'];
if (!$singleResource) {
$historyArray[$key]['url'] = $this->_config->urlBase . "view?r=" . urlencode($entry['resource']);
$titleHelper->addResource($entry['resource']);
}
if ($entry['useruri'] == $this->_erfurt->getConfig()->ac->user->anonymousUser) {
$userArray[$entry['useruri']] = 'Anonymous';
} else {
if ($entry['useruri'] == $this->_erfurt->getConfig()->ac->user->superAdmin) {
$userArray[$entry['useruri']] = 'SuperAdmin';
} else {
if (is_array($userArray[$entry['useruri']])) {
if (isset($userArray[$entry['useruri']]['userName'])) {
$userArray[$entry['useruri']] = $userArray[$entry['useruri']]['userName'];
} else {
$titleHelper->addResource($entry['useruri']);
$userArray[$entry['useruri']] = $titleHelper->getTitle($entry['useruri']);
}
}
}
}
}
$this->view->userArray = $userArray;
$this->view->idArray = $idArray;
$this->view->historyArray = $historyArray;
$this->view->singleResource = $singleResource;
$this->view->titleHelper = $titleHelper;
if (empty($historyArray)) {
$this->_owApp->appendMessage(new OntoWiki_Message('No history for the selected resource(s).', OntoWiki_Message::INFO));
}
if ($this->_erfurt->getAc()->isActionAllowed('Rollback')) {
$this->view->rollbackAllowed = true;
// adding submit button for rollback-action
$toolbar = $this->_owApp->toolbar;
$toolbar->appendButton(OntoWiki_Toolbar::SUBMIT, array('name' => $translate->_('Rollback changes'), 'id' => 'history-rollback'));
$this->view->placeholder('main.window.toolbar')->set($toolbar);
} else {
$this->view->rollbackAllowed = false;
}
// paging
$statusBar = $this->view->placeholder('main.window.statusbar');
// the normal page_param p collides with the generic-list param p
OntoWiki_Pager::setOptions(array('page_param' => 'page'));
$statusBar->append(OntoWiki_Pager::get($count, $limit));
// setting view variables
$url = new OntoWiki_Url(array('controller' => 'history', 'action' => 'rollback'));
$this->view->placeholder('main.window.title')->set($windowTitle);
$this->view->formActionUrl = (string) $url;
$this->view->formMethod = 'post';
// $this->view->formName = 'instancelist';
$this->view->formName = 'history-rollback';
$this->view->formEncoding = 'multipart/form-data';
}
