readCSS($pipeline->get_current_css_state());
$child = $root->first_child();
while ($child) {
$child_box =& create_pdf_box($child, $pipeline);
$box->add_child($child_box);
$child = $child->next_sibling();
};
return $box;
}
function add_child(&$item) {
if ($item->isCell()) {
GenericContainerBox::add_child($item);
};
}
function TableRowBox() {
// Call parent constructor
$this->GenericContainerBox();
}
// Normalize colspans by adding fake cells after the "colspanned" cell
// Say, if we've got the following row:
// | 1 | 2 |
// we should get row containing four cells after normalization;
// first contains "1"
// second and third are completely empty
// fourth contains "2"
function normalize(&$pipeline) {
for ($i=0, $size = count($this->content); $i < $size; $i++) {
for ($j=1; $j<$this->content[$i]->colspan; $j++) {
$this->add_fake_cell_after($i, $pipeline);
// Note that add_fake_cell_after will increase the length of current row by one cell,
// so we must increase $size variable
$size++;
};
};
}
function add_fake_cell_after($index, &$pipeline) {
array_splice($this->content, $index+1, 0, array(FakeTableCellBox::create($pipeline)));
}
function add_fake_cell_before($index, &$pipeline) {
array_splice($this->content, $index, 0, array(FakeTableCellBox::create($pipeline)));
}
function append_fake_cell(&$pipeline) {
$this->content[] = FakeTableCellBox::create($pipeline);
}
// Table specific
function table_resize_row($height, $top) {
// Do cell vertical-align
// Calculate row baseline
$baseline = $this->get_row_baseline();
// Process cells contained in current row
for ($i=0, $size = count($this->content); $i<$size; $i++) {
$cell =& $this->content[$i];
// Offset cell if needed
$cell->offset(0,
$top -
$cell->get_top_margin());
// Vertical-align cell (do not apply to rowspans)
if ($cell->rowspan == 1) {
$va = $cell->get_css_property(CSS_VERTICAL_ALIGN);
$va_fun = CSSVerticalAlign::value2pdf($va);
$va_fun->apply_cell($cell, $height, $baseline);
// Expand cell to full row height
$cell->put_full_height($height);
}
}
}
function get_row_baseline() {
$baseline = 0;
for ($i=0, $size = count($this->content); $i<$size; $i++) {
$cell = $this->content[$i];
if ($cell->rowspan == 1) {
$baseline = max($baseline, $cell->get_cell_baseline());
};
}
return $baseline;
}
function get_colspans($row_index) {
$colspans = array();
for ($i=0, $size = count($this->content); $i<$size; $i++) {
// Check if current colspan will run off the right table edge
if ($this->content[$i]->colspan > 1) {
$colspan = new CellSpan;
$colspan->row = $row_index;
$colspan->column = $i;
$colspan->size = $this->content[$i]->colspan;
$colspans[] = $colspan;
}
}
return $colspans;
}
function get_rowspans($row_index) {
$spans = array();
for ($i=0; $icontent); $i++) {
if ($this->content[$i]->rowspan > 1) {
$rowspan = new CellSpan;
$rowspan->row = $row_index;
$rowspan->column = $i;
$rowspan->size = $this->content[$i]->rowspan;
$spans[] = $rowspan;
}
}
return $spans;
}
// Column widths
function get_table_columns_max_widths(&$context) {
$widths = array();
for ($i=0; $icontent); $i++) {
// For now, colspans are treated as zero-width; they affect
// column widths only in parent *_fit function
if ($this->content[$i]->colspan > 1) {
$widths[] = 0;
} else {
$widths[] = $this->content[$i]->get_max_width($context);
}
}
return $widths;
}
function get_table_columns_min_widths(&$context) {
$widths = array();
for ($i=0; $icontent); $i++) {
// For now, colspans are treated as zero-width; they affect
// column widths only in parent *_fit function
if ($this->content[$i]->colspan > 1) {
$widths[] = 0;
} else {
$widths[] = $this->content[$i]->get_min_width($context);
};
}
return $widths;
}
function row_height() {
// Calculate height of each cell contained in this row
$height = 0;
for ($i=0; $icontent); $i++) {
if ($this->content[$i]->rowspan <= 1) {
$height = max($height, $this->content[$i]->get_full_height());
}
}
return $height;
}
/**
* Note that we SHOULD owerride the show method inherited from GenericContainerBox,
* as it MAY draw row background in case it was set via CSS rules. As row box
* is a "fake" box and will never have reasonable size and/or position in the layout,
* we should prevent this
*/
function show(&$viewport) {
// draw content
$size = count($this->content);
for ($i=0; $i < $size; $i++) {
/**
* We'll check the visibility property here
* Reason: all boxes (except the top-level one) are contained in some other box,
* so every box will pass this check. The alternative is to add this check into every
* box class show member.
*
* The only exception of absolute positioned block boxes which are drawn separately;
* their show method is called explicitly; the similar check should be performed there
*/
$cell =& $this->content[$i];
$visibility = $cell->get_css_property(CSS_VISIBILITY);
if ($visibility === VISIBILITY_VISIBLE) {
if (is_null($cell->show($viewport))) {
return null;
};
};
}
return true;
}
function isTableRow() {
return true;
}
}
?>