/**
* Create a bookmark PDF string.
* @protected
* @author Olivier Plathey, Nicola Asuni
* @since 2.1.002 (2008-02-12)
*/
protected function _putbookmarks()
{
$nb = count($this->outlines);
if ($nb == 0) {
return;
}
// sort bookmarks
$this->sortBookmarks();
$lru = array();
$level = 0;
foreach ($this->outlines as $i => $o) {
if ($o['l'] > 0) {
$parent = $lru[$o['l'] - 1];
//Set parent and last pointers
$this->outlines[$i]['parent'] = $parent;
$this->outlines[$parent]['last'] = $i;
if ($o['l'] > $level) {
//Level increasing: set first pointer
$this->outlines[$parent]['first'] = $i;
}
} else {
$this->outlines[$i]['parent'] = $nb;
}
if ($o['l'] <= $level and $i > 0) {
//Set prev and next pointers
$prev = $lru[$o['l']];
$this->outlines[$prev]['next'] = $i;
$this->outlines[$i]['prev'] = $prev;
}
$lru[$o['l']] = $i;
$level = $o['l'];
}
//Outline items
$n = $this->n + 1;
$nltags = '/<br[\\s]?\\/>|<\\/(blockquote|dd|dl|div|dt|h1|h2|h3|h4|h5|h6|hr|li|ol|p|pre|ul|tcpdf|table|tr|td)>/si';
foreach ($this->outlines as $i => $o) {
$oid = $this->_newobj();
// covert HTML title to string
$title = preg_replace($nltags, "\n", $o['t']);
$title = preg_replace("/[\r]+/si", '', $title);
$title = preg_replace("/[\n]+/si", "\n", $title);
$title = strip_tags($title);
$title = $this->stringTrim($title);
$out = '<</Title ' . $this->_textstring($title, $oid);
$out .= ' /Parent ' . ($n + $o['parent']) . ' 0 R';
if (isset($o['prev'])) {
$out .= ' /Prev ' . ($n + $o['prev']) . ' 0 R';
}
if (isset($o['next'])) {
$out .= ' /Next ' . ($n + $o['next']) . ' 0 R';
}
if (isset($o['first'])) {
$out .= ' /First ' . ($n + $o['first']) . ' 0 R';
}
if (isset($o['last'])) {
$out .= ' /Last ' . ($n + $o['last']) . ' 0 R';
}
if (isset($o['u']) and !empty($o['u'])) {
// link
if (is_string($o['u'])) {
if ($o['u'][0] == '#') {
// internal destination
$out .= ' /Dest /' . TCPDF_STATIC::encodeNameObject(substr($o['u'], 1));
} elseif ($o['u'][0] == '%') {
// embedded PDF file
$filename = basename(substr($o['u'], 1));
$out .= ' /A <</S /GoToE /D [0 /Fit] /NewWindow true /T << /R /C /P ' . ($o['p'] - 1) . ' /A ' . $this->embeddedfiles[$filename]['a'] . ' >> >>';
} elseif ($o['u'][0] == '*') {
// embedded generic file
$filename = basename(substr($o['u'], 1));
$jsa = 'var D=event.target.doc;var MyData=D.dataObjects;for (var i in MyData) if (MyData[i].path=="' . $filename . '") D.exportDataObject( { cName : MyData[i].name, nLaunch : 2});';
$out .= ' /A <</S /JavaScript /JS ' . $this->_textstring($jsa, $oid) . '>>';
} else {
// external URI link
$out .= ' /A <</S /URI /URI ' . $this->_datastring($this->unhtmlentities($o['u']), $oid) . '>>';
}
} elseif (isset($this->links[$o['u']])) {
// internal link ID
$l = $this->links[$o['u']];
if (isset($this->page_obj_id[$l[0]])) {
$out .= sprintf(' /Dest [%u 0 R /XYZ 0 %F null]', $this->page_obj_id[$l[0]], $this->pagedim[$l[0]]['h'] - $l[1] * $this->k);
}
}
} elseif (isset($this->page_obj_id[$o['p']])) {
// link to a page
$out .= ' ' . sprintf('/Dest [%u 0 R /XYZ %F %F null]', $this->page_obj_id[$o['p']], $o['x'] * $this->k, $this->pagedim[$o['p']]['h'] - $o['y'] * $this->k);
}
// set font style
$style = 0;
if (!empty($o['s'])) {
// bold
if (strpos($o['s'], 'B') !== false) {
$style |= 2;
}
// oblique
if (strpos($o['s'], 'I') !== false) {
$style |= 1;
}
}
$out .= sprintf(' /F %d', $style);
// set bookmark color
if (isset($o['c']) and is_array($o['c']) and count($o['c']) == 3) {
$color = array_values($o['c']);
$out .= sprintf(' /C [%F %F %F]', $color[0] / 255, $color[1] / 255, $color[2] / 255);
} else {
// black
$out .= ' /C [0.0 0.0 0.0]';
}
$out .= ' /Count 0';
// normally closed item
$out .= ' >>';
$out .= "\n" . 'endobj';
$this->_out($out);
}
//Outline root
$this->OutlineRoot = $this->_newobj();
$this->_out('<< /Type /Outlines /First ' . $n . ' 0 R /Last ' . ($n + $lru[0]) . ' 0 R >>' . "\n" . 'endobj');
}
