D-Net

<?php

defined('_JEXEC') or die('Access denied');

jimport('joomla.methods');

// This helper _formats datasets.

abstract class DatasetHelper {

	const OPENAIRE = 'openaire';

	const MAX_AUTHORS = 15;

	const MAX_PROJECTS = 15;

	const MAX_DESCRIPTION = 500;

	const SUFFIX = '...';

	const OPEN_ACCESS = 'OPEN';

	const CLOSED_ACCESS = 'CLOSED';

	const RESTRICTED_ACCESS = 'RESTRICTED';

	const EMBARGO_ACCESS = 'EMBARGO';

	// Format a dataset.

	// $dataset the dataset to format

	// $itemId the item ID to use for internal links

	// return a string containing the full HTML for the dataset or an empty string if any errors occur

	public static function formatDataset($dataset, $itemId) {

		if ($dataset == NULL)

			return '';

		$dataset = DatasetHelper :: _formatTitle($dataset -> title, $dataset -> accessMode, $dataset -> id, $dataset -> source, $dataset -> url, $itemId, isset($dataset -> inferred)?$dataset -> inferred:false, isset($dataset -> inferred)?$dataset -> trust:"", isset($dataset -> inferred)?$dataset -> provenance:"") . DatasetHelper :: _formatData($dataset, $itemId) . DatasetHelper :: _formatDescription($dataset -> description);

		return ($dataset == NULL) ? '' : ('<div class="srchRow">' . $dataset . '</div>');

	}

	public static function _formatTitle($title, $accessMode, $id, $source, $url, $itemId, $inferred = false, $trust = "", $provenance = "") {

		switch ($accessMode) {

		case DatasetHelper :: OPEN_ACCESS:

			$accessModeClass = 'openAccess';

			$accessModeTitle = JText :: _('OPEN_ACCESS');

			break;

		case DatasetHelper :: EMBARGO_ACCESS:

			$accessModeClass = 'embargoAccess';

			$accessModeTitle = JText :: _('EMBARGO_ACCESS');

			break;

		case DatasetHelper :: RESTRICTED_ACCESS:

			$accessModeClass = 'restrictedAccess';

			$accessModeTitle = JText :: _('RESTRICTED_ACCESS');

			break;

		case DatasetHelper :: CLOSED_ACCESS:

			$accessModeClass = 'closedAccess';

			$accessModeTitle = JText :: _('CLOSED_ACCESS');

			break;

		default:

			$accessModeClass = NULL;

			$accessModeTitle = NULL;

		}

		//return ($title == NULL) ? '' : ('<h4' . (($accessModeClass == NULL) ? '' : (' class="' . $accessModeClass . '" title="' . $accessModeTitle . '"')) . '>' . (($source == self :: OPENAIRE) ? (($id == NULL) ? '' : ('<a href="' . JRoute :: _(JURI :: base() . 'index.php?option=com_openaire&view=dataset&Itemid=' . $itemId . '&datasetId=' . $id) . '">')) : (($url == NULL) ? '' : ('<a target="_blank" class="icon-external" href="' . $url . '">'))) . $title . (($source == self :: OPENAIRE) ? (($id == NULL) ? '' : ('</a>')) : (($url == NULL) ? '' : ('</a>'))) . ($inferred == true?" <span class='inferred'><img src='templates/yoo_solar/styles/openaire/images/box_info_ok.png' /></span><div style='display: none'><div class='inferred-popup' id='popup-". $id. "'>trust: $trust, provenance: $provenance </div></div>" :"") . '</h4>');

		return ($title == NULL) ? '' : ('<h4' . (($accessModeClass == NULL) ? '' : (' class="' . $accessModeClass . '" title="' . $accessModeTitle . '"')) . '>' . (($source == self :: OPENAIRE) ? (($id == NULL) ? '' : ('<a href="' . JRoute :: _('index.php?option=com_openaire&view=dataset&Itemid=' . $itemId . '&datasetId=' . $id) . '">')) : (($url == NULL) ? '' : ('<a target="_blank" class="icon-external" href="' . $url . '">'))) . $title . (($source == self :: OPENAIRE) ? (($id == NULL) ? '' : ('</a>')) : (($url == NULL) ? '' : ('</a>')))  . '</h4>');

	}

	public static function _formatData($dataset, $itemId) {

		if ($dataset == NULL)

			return '';

		$info = array();

		$info[] = DatasetHelper :: _formatAuthors($dataset -> authors, $itemId);

		$info[] = DatasetHelper :: _formatYear($dataset -> year);

		$data = array();

		$data[] = implode(' ', array_filter($info));

		$data[] = DatasetHelper :: _formatPublisher(isset($dataset -> publisher)?$dataset -> publisher:"");

		$data[] = DatasetHelper :: _formatProjects($dataset -> projects, $itemId);

		$data[] = DatasetHelper :: _formatEmbargoEndDate($dataset -> embargoEndDate);

		$data = array_filter($data);

		return ($data == NULL) ? '' : ('<div class="biblio">' . implode('<br />', $data) . '</div>');

	}

	public static function _formatAuthors($authors, $itemId) {

		$authors = ($authors == NULL) ? NULL : array_filter(array_map(function ($author) use ($itemId) {return DatasetHelper :: _formatAuthor($author, $itemId);}, $authors));

		return ($authors == NULL) ? '' : (implode('; ',  array_slice($authors, 0, DatasetHelper :: MAX_AUTHORS)) . ((count($authors) > DatasetHelper :: MAX_AUTHORS) ? ';...' : ''));

	}

	public static function _formatAuthor($author, $itemId) {

		return (($author == NULL) || ((($author -> lastName == NULL) || ($author -> firstName == NULL)) && ($author -> fullName == NULL))) ? '' : ('<span class="auth">' . (($author -> id == NULL) ? '' : ('<a href="' . JRoute :: _('index.php?option=com_openaire&view=person&Itemid=' . $itemId . '&personId=' . $author -> id) . '">')) . ((($author -> lastName == NULL) || ($author -> firstName == NULL)) ? $author -> fullName : ($author -> lastName . ', ' . $author -> firstName)) . (($author -> id == NULL) ? '' : '</a>') . '</span>');

	}

	public static function _formatYear($year) {

		return ($year == NULL) ? '' : ('<span class="year">(' . $year . ')</span>');

	}

	public static function _formatPublisher($publisher) {

		return ($publisher == NULL) ? '' : (JText :: _('PUBLISHER_') . ' ' . $publisher);

	}

	public static function _formatProjects($projects, $itemId) {

		$projects = ($projects == NULL) ? NULL : array_filter(array_map(function ($project) use ($itemId) {return DatasetHelper :: _formatProject($project, $itemId);}, $projects));

		return ($projects == NULL) ? '' : (JText :: _('PROJECTS_') . ' ' . implode(', ', array_slice($projects, 0, DatasetHelper :: MAX_PROJECTS)) . ((count($projects) > DatasetHelper :: MAX_PROJECTS) ? ',...' : ''));

	}

	public static function _formatProject($project, $itemId) {

		return (($project -> acronym == NULL) && ($project -> title == NULL)) ? '' : ('<span class="proj">' . (($project -> id  == NULL) ? '' : ('<a href="' . JRoute :: _('index.php?option=com_openaire&view=project&Itemid=' . $itemId . '&projectId=' . $project -> id) . '">')) . (($project -> acronym == NULL) ? $project -> title : $project -> acronym) . (($project -> code == NULL) ? '' : (' (' . $project -> code . ')')) . (($project -> id == NULL) ? '' : '</a>') . '</span>');

	}

	public static function _formatEmbargoEndDate($embargoEndDate) {

		return ($embargoEndDate == NULL) ? '' : (JText :: _('EMBARGO_END_DATE_') . '&nbsp;<span class="embargoDate">' . date(JText :: _('DATE_FORMAT'), $embargoEndDate) . '</span>');

	}

	public static function _formatDescription($description) {                

                $description= ($description == NULL) ? '' : strip_tags($description);

		return ($description == NULL) ? '' : ('<div class="description">' . ((strlen($description) > DatasetHelper :: MAX_DESCRIPTION) ? (substr($description, 0, DatasetHelper :: MAX_DESCRIPTION - strlen(DatasetHelper :: SUFFIX)) . DatasetHelper :: SUFFIX) : $description) . '</div>');	

	}

}