class.ilBiblOverviewGUI.php

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<?php

class ilBiblOverviewGUI {

        protected $entry;
        protected $html = '';


        public function __construct(ilBibliographicEntry $entry) {
                $this->entry = $entry;
                $this->render();
        }


        protected function render() {
                $attributes = $this->getEntry()->getAttributes();
                //Get the model which declares which attributes to show in the overview table and how to show them
                //example for overviewModels: $overviewModels['bib']['default'] => "[<strong>|bib_default_author|</strong>: ][|bib_default_title|. ]<Emph>[|bib_default_publisher|][, |bib_default_year|][, |bib_default_address|].</Emph>"
                $overviewModels = ilObjBibliographic::getAllOverviewModels();
                //get design for specific entry type or get filetypes default design if type is not specified
                $entryType = $this->getEntry()->getType();
                //if there is no model for the specific entrytype (book, article, ....) the entry overview will be structured by the default entrytype from the given filetype (ris, bib, ...)
                if (! $overviewModels[$this->getEntry()->getFileType()][$entryType]) {
                        $entryType = 'default';
                }
                $single_entry = $overviewModels[$this->getEntry()->getFileType()][$entryType];
                //split the model into single attributes (which begin and end with a bracket, eg [|bib_default_title|. ] )
                //such values are saved in $placeholders[0] while the same values but whithout brackets are saved in $placeholders[1] (eg |bib_default_title|.  )
                preg_match_all('/\[(.*?)\]/', $single_entry, $placeholders);
                foreach ($placeholders[1] as $key => $placeholder) {
                        //cut a moedel attribute like |bib_default_title|. in three pieces while $cuts[1] is the attribute key for the actual value and $cuts[0] is what comes before respectively $cuts[2] is what comes after the value if it is not empty.
                        $cuts = explode('|', $placeholder);
                        //if attribute key does not exist, because it comes from the default entry (e.g. ris_default_u2), we replace 'default' with the entrys type (e.g. ris_book_u2)
                        if (! $attributes[$cuts[1]]) {
                                $attribute_elements = explode('_', $cuts[1]);
                                $attribute_elements[1] = strtolower($this->getEntry()->getType());
                                $cuts[1] = implode('_', $attribute_elements);
                        }
                        if ($attributes[$cuts[1]]) {
                                //if the attribute for the attribute key exists, replace one attribute in the overview text line of a single entry with its actual value and the text before and after the value given by the model
                                $single_entry = str_replace($placeholders[0][$key], $cuts[0] . $attributes[$cuts[1]] . $cuts[2], $single_entry);
                                // replace the <emph> tags with a span, in order to make text italic by css
                                do {
                                        $first_sign_after_begin_emph_tag = strpos(strtolower($single_entry), '<emph>') + 6;
                                        $last_sign_after_end_emph_tag = strpos(strtolower($single_entry), '</emph>');
                                        $italic_text_length = $last_sign_after_end_emph_tag - $first_sign_after_begin_emph_tag;
                                        //would not be true if there is no <emph> tag left
                                        if ($last_sign_after_end_emph_tag) {
                                                $italic_text = substr($single_entry, $first_sign_after_begin_emph_tag, $italic_text_length);
                                                //parse
                                                $it_tpl = new ilTemplate("tpl.bibliographic_italicizer.html", true, true, "Modules/Bibliographic");
                                                $it_tpl->setCurrentBlock("italic_section");
                                                $it_tpl->setVariable('ITALIC_STRING', $italic_text);
                                                $it_tpl->parseCurrentBlock();
                                                //replace the emph tags and the text between with the parsed text from il_tpl
                                                $text_before_emph_tag = substr($single_entry, 0, $first_sign_after_begin_emph_tag - 6);
                                                $text_after_emph_tag = substr($single_entry, $last_sign_after_end_emph_tag + 7);
                                                $single_entry = $text_before_emph_tag . $it_tpl->get() . $text_after_emph_tag;
                                        }
                                } while ($last_sign_after_end_emph_tag);
                        } else {
                                //if the attribute for the attribute key does not exist, just remove this attribute-key from the overview text line of a single entry
                                $single_entry = str_replace($placeholders[0][$key], '', $single_entry);
                        }
                }

                $this->setHtml($single_entry);
        }


        public function getHtml() {
                return $this->html;
        }


        public function setHtml($html) {
                $this->html = $html;
        }


        public function getEntry() {
                return $this->entry;
        }


        public function setEntry($entry) {
                $this->entry = $entry;
        }
}

?>