/**
* this is not a real TAG, it is just to write texts
*
* @param array $param
* @return boolean
*/
protected function _tag_open_WRITE($param)
{
$fill = $this->parsingCss->value['background']['color'] !== null && $this->parsingCss->value['background']['image'] === null;
if (in_array($this->parsingCss->value['id_tag'], array('fieldset', 'legend', 'div', 'table', 'tr', 'td', 'th'))) {
$fill = false;
}
// get the text to write
$txt = $param['txt'];
if ($this->_isAfterFloat) {
$txt = ltrim($txt);
$this->_isAfterFloat = false;
}
$txt = str_replace('[[page_nb]]', $this->pdf->getMyAliasNbPages(), $txt);
$txt = str_replace('[[page_cu]]', $this->pdf->getMyNumPage($this->_page), $txt);
if ($this->parsingCss->value['text-transform'] != 'none') {
if ($this->parsingCss->value['text-transform'] == 'capitalize') {
$txt = ucwords($txt);
} else {
if ($this->parsingCss->value['text-transform'] == 'uppercase') {
$txt = strtoupper($txt);
} else {
if ($this->parsingCss->value['text-transform'] == 'lowercase') {
$txt = strtolower($txt);
}
}
}
}
// size of the text
$h = 1.08 * $this->parsingCss->value['font-size'];
$dh = $h * $this->parsingCss->value['mini-decal'];
$lh = $this->parsingCss->getLineHeight();
// identify the align
$align = 'L';
if ($this->parsingCss->value['text-align'] == 'li_right') {
$w = $this->parsingCss->value['width'];
$align = 'R';
}
// calculate the width of each words, and of all the sentence
$w = 0;
$words = explode(' ', $txt);
foreach ($words as $k => $word) {
$words[$k] = array($word, $this->pdf->GetStringWidth($word));
$w += $words[$k][1];
}
$space = $this->pdf->GetStringWidth(' ');
$w += $space * (count($words) - 1);
// position in the text
$currPos = 0;
// the bigger width of the text, after automatic break line
$maxX = 0;
// position of the text
$x = $this->pdf->getX();
$y = $this->pdf->getY();
$dy = $this->_getElementY($lh);
// margins
list($left, $right) = $this->_getMargins($y);
// number of lines after automatic break line
$nb = 0;
// while we have words, and the text does not fit on the line => we cut the sentence
while ($x + $w > $right && $x < $right + $space && count($words)) {
// adding words 1 by 1 to fit on the line
$i = 0;
$old = array('', 0);
$str = $words[0];
$add = false;
while ($x + $str[1] < $right) {
$i++;
$add = true;
array_shift($words);
$old = $str;
if (!count($words)) {
break;
}
$str[0] .= ' ' . $words[0][0];
$str[1] += $space + $words[0][1];
}
$str = $old;
// if nothing fit on the line, and if the first word does not fit on the line => the word is too long, we put it
if ($i == 0 && $left + $words[0][1] >= $right) {
$str = $words[0];
array_shift($words);
$i++;
$add = true;
}
$currPos += ($currPos ? 1 : 0) + strlen($str[0]);
// write the extract sentence that fit on the page
$wc = $align == 'L' ? $str[1] : $this->parsingCss->value['width'];
if ($right - $left < $wc) {
$wc = $right - $left;
}
if (strlen($str[0])) {
$this->pdf->setXY($this->pdf->getX(), $y + $dh + $dy);
$this->pdf->Cell($wc, $h, $str[0], 0, 0, $align, $fill, $this->_isInLink);
$this->pdf->setXY($this->pdf->getX(), $y);
}
$this->_maxH = max($this->_maxH, $lh);
// max width
$maxX = max($maxX, $this->pdf->getX());
// new position and new width for the "while"
$w -= $str[1];
$y = $this->pdf->getY();
$x = $this->pdf->getX();
$dy = $this->_getElementY($lh);
// if we have again words to write
if (count($words)) {
// remove the space at the end
if ($add) {
$w -= $space;
}
// if we don't add any word, and if the first word is empty => useless space to skip
if (!$add && $words[0][0] === '') {
array_shift($words);
}
// if it is just to calculate for one line => adding the number of words
if ($this->_isForOneLine) {
$this->_maxE += $i;
$this->_maxX = max($this->_maxX, $maxX);
return null;
}
// automatic line break
$this->_tag_open_BR(array('style' => ''), $currPos);
// new position
$y = $this->pdf->getY();
$x = $this->pdf->getX();
$dy = $this->_getElementY($lh);
// if the next line does not fit on the page => new page
if ($y + $h >= $this->pdf->getH() - $this->pdf->getbMargin()) {
if (!$this->_isInOverflow && !$this->_isInFooter) {
$this->_setNewPage(null, '', null, $currPos);
$y = $this->pdf->getY();
$x = $this->pdf->getX();
$dy = $this->_getElementY($lh);
}
}
// if more than 10000 line => error
$nb++;
if ($nb > 10000) {
$txt = '';
foreach ($words as $k => $word) {
$txt .= ($k ? ' ' : '') . $word[0];
}
throw new HTML2PDF_exception(2, array($txt, $right - $left, $w));
}
// new margins for the new line
list($left, $right) = $this->_getMargins($y);
}
}
// if we have words after automatic cut, it is because they fit on the line => we write the text
if (count($words)) {
$txt = '';
foreach ($words as $k => $word) {
$txt .= ($k ? ' ' : '') . $word[0];
}
$w += $this->pdf->getWordSpacing() * count($words);
$this->pdf->setXY($this->pdf->getX(), $y + $dh + $dy);
$this->pdf->Cell($align == 'L' ? $w : $this->parsingCss->value['width'], $h, $txt, 0, 0, $align, $fill, $this->_isInLink);
$this->pdf->setXY($this->pdf->getX(), $y);
$this->_maxH = max($this->_maxH, $lh);
$this->_maxE += count($words);
}
$maxX = max($maxX, $this->pdf->getX());
$maxY = $this->pdf->getY() + $h;
$this->_maxX = max($this->_maxX, $maxX);
$this->_maxY = max($this->_maxY, $maxY);
return true;
}
