/**
* Pre-render cell to get recommended width and height
* @param Core_Pdf_Page $page
* @param $posX
* @param $posY
* @param bool $inContentArea
* @throws Zend_Exception
*/
public function preRender(Core_Pdf_Page $page, $posX, $posY, $inContentArea = true)
{
if (!$this->_width) {
//no width given, get max width of page
if ($inContentArea) {
$width = $page->getWidth() - $posX - ($page->getMargin(Core_Pdf::LEFT) + $page->getMargin(Core_Pdf::RIGHT));
} else {
$width = $page->getWidth() - $posX;
}
} else {
$width = $this->_width;
}
//calc max cell width
$maxWidth = $width - ($this->_padding[Core_Pdf::LEFT] + $this->_padding[Core_Pdf::RIGHT]) - (+$this->_getBorderLineWidth(Core_Pdf::LEFT) + $this->_getBorderLineWidth(Core_Pdf::RIGHT));
if ($this->_text) {
//set font
$page->setFont($this->_font, $this->_fontSize);
//get height,width,lines
$textProps = $page->getTextProperties($this->_text['text'], $maxWidth);
//reset style
$page->setStyle($page->getDefaultStyle());
//set width
if (!$this->_width) {
//add padding
$this->_recommendedWidth = $textProps['text_width'] + ($this->_padding[Core_Pdf::LEFT] + $this->_padding[Core_Pdf::RIGHT]) + $this->_getBorderLineWidth(Core_Pdf::LEFT) + $this->_getBorderLineWidth(Core_Pdf::RIGHT);
} else {
$this->_recommendedWidth = $textProps['max_width'];
}
if (!$this->_height) {
//set height, add padding
if ($this->_textLineSpacing) {
$height = $this->_textLineSpacing * count($textProps['lines']) + $textProps['height'];
} else {
$height = $textProps['height'];
}
$this->_recommendedHeight = $height + ($this->_padding[Core_Pdf::TOP] + $this->_padding[Core_Pdf::BOTTOM]);
}
//store text props;
$this->_text['width'] = $textProps['text_width'];
$this->_text['max_width'] = $textProps['max_width'];
$this->_text['height'] = $textProps['height'];
$this->_text['lines'] = $textProps['lines'];
} elseif ($this->_image) {
$image = Zend_Pdf_Image::imageWithPath($this->_image['filename']);
if (!$this->_width) {
$this->_recommendedWidth = $this->_image['scale'] * $image->getPixelWidth() + ($this->_padding[Core_Pdf::LEFT] + $this->_padding[Core_Pdf::RIGHT]) + $this->_getBorderLineWidth(Core_Pdf::LEFT) + $this->_getBorderLineWidth(Core_Pdf::RIGHT);
}
if (!$this->_height) {
$this->_recommendedHeight = $this->_image['scale'] * $image->getPixelHeight() + ($this->_padding[Core_Pdf::TOP] + $this->_padding[Core_Pdf::BOTTOM]);
}
$this->_image['image'] = $image;
$this->_image['width'] = $this->_image['scale'] * $image->getPixelWidth();
$this->_image['height'] = $this->_image['scale'] * $image->getPixelHeight();
} else {
throw new Zend_Exception("not defined", "preRender()");
}
}
private function _drawHeader(Core_Pdf_Page $page, $currentPage)
{
if (!$this->_header) {
return;
}
if ($page instanceof Core_Pdf_Page) {
//set table width
$currHeader = clone $this->_header;
//check for special place holders
$rows = $currHeader->getRows();
foreach ($rows as $key => $row) {
$row->setWidth($page->getWidth() - $this->_margin[Core_Pdf::LEFT] - $this->_margin[Core_Pdf::RIGHT]);
$cols = $row->getColumns();
$num = 0;
foreach ($cols as $col) {
if ($col->hasText()) {
$num += $col->replaceText('@@CURRENT_PAGE', $currentPage);
$num += $col->replaceText('@@TOTAL_PAGES', count($this->pages));
}
}
if ($num > 0) {
$row->setColumns($cols);
$currHeader->replaceRow($row, $key);
}
}
$page->addTable($currHeader, $this->_margin[Core_Pdf::LEFT], +$this->_headerYOffset - $this->_margin[Core_Pdf::TOP], false);
}
}
/**
* Pre-Render Row
* @param Core_Pdf_Page $page
* @param $posX
* @param $posY
* @param bool $inContentArea
*/
public function preRender(Core_Pdf_Page $page, $posX, $posY, $inContentArea = true)
{
//pre-render each cell in row and get height
$maxHeight = 0;
//get width -> auto column width
if ($this->_width) {
//set given row width
$maxRowWidth = $this->_width;
} else {
//no width given, use available page width
if ($inContentArea) {
$maxRowWidth = $page->getWidth() - $page->getMargin(Core_Pdf::LEFT) - $page->getMargin(Core_Pdf::RIGHT);
} else {
$maxRowWidth = $page->getWidth();
}
}
if ($this->_forceUniformColumnWidth) {
$uniformWidth = $maxRowWidth / $this->NumColumns;
} else {
//check if some colums have specific widths
$fixedRowWidth = 0;
$dynamicColumns = 0;
$dynamicRowWidth = 0;
foreach ($this->_cols as $col) {
//set font if no font set
if (!$col->getFont()) {
$col->setFont($this->_font, $this->_fontSize);
}
$w = $col->getWidth();
if ($w) {
//column with specified width
$fixedRowWidth += $w;
} else {
//column with no width specified
//pre-render to get a first estimation of width
$col->preRender($page, $posX, $posY, $inContentArea);
$dynamicRowWidth += $col->getRecommendedWidth();
$dynamicColumns++;
}
}
$freeWidth = $maxRowWidth - $dynamicRowWidth - $fixedRowWidth;
if ($dynamicColumns > 0) {
$uniformWidth = ($maxRowWidth - $fixedRowWidth) / $dynamicColumns;
$freeWidth = $freeWidth / $dynamicColumns;
} else {
//nothing to distribute (all fixed colum widths)
$freeWidth = -1;
}
if ($freeWidth < 0) {
//force text line break for dynamic rows
$forceLineBreaking = true;
$freeWidth = 0;
} else {
$forceLineBreaking = false;
}
}
//get max column height
foreach ($this->_cols as $col) {
//set width ->auto-width=true
if (!$col->getWidth()) {
//calc width for colums without given width /aproximation
if ($this->_forceUniformColumnWidth) {
$width = $uniformWidth;
} else {
if ($col->hasImage()) {
//has priority
$width = $col->getRecommendedWidth() + $freeWidth;
} elseif ($col->hasText()) {
if ($forceLineBreaking && $col->getRecommendedWidth() > $uniformWidth) {
$width = $uniformWidth;
} else {
$width = $col->getRecommendedWidth() + $freeWidth;
}
}
}
$col->setWidth($width);
}
if (!$col->getFont()) {
$col->setFont($this->_font, $this->_fontSize);
}
foreach ($this->_cellPadding as $pos => $val) {
if (!$col->getPadding($pos)) {
$col->setPadding($pos, $val);
}
}
$col->preRender($page, $posX, $posY);
$height = $col->getRecommendedHeight();
if ($height > $maxHeight) {
$maxHeight = $height;
}
}
//get border thickness of top&bottom row
$this->_height = $maxHeight;
}
