/**
* Render the table
*
* @throws Exception\UnexpectedValueException When no rows were added to the table
* @return string
*/
public function render()
{
// There should be at least one row
if (count($this->_rows) === 0) {
throw new Exception\UnexpectedValueException('No rows were added to the table yet');
}
// Initiate the result variable
$result = '';
// Count total columns
$totalNumColumns = count($this->_columnWidths);
// Now render all rows, starting from the first one
$numRows = count($this->_rows);
foreach ($this->_rows as $rowNum => $row) {
// Get all column widths
if (isset($columnWidths) === true) {
$lastColumnWidths = $columnWidths;
}
$renderedRow = $row->render($this->_columnWidths, $this->_decorator, $this->_padding);
$columnWidths = $row->getColumnWidths();
$numColumns = count($columnWidths);
// Check what we have to draw
if ($rowNum === 0) {
// If this is the first row, draw the table top
$result .= $this->_decorator->getTopLeft();
foreach ($columnWidths as $columnNum => $columnWidth) {
$result .= str_repeat($this->_decorator->getHorizontal(), $columnWidth);
if ($columnNum + 1 === $numColumns) {
$result .= $this->_decorator->getTopRight();
} else {
$result .= $this->_decorator->getHorizontalDown();
}
}
$result .= "\n";
} else {
// Else check if we have to draw the row separator
if ($this->_autoSeparate & self::AUTO_SEPARATE_ALL) {
$drawSeparator = true;
} elseif ($rowNum === 1 && $this->_autoSeparate & self::AUTO_SEPARATE_HEADER) {
$drawSeparator = true;
} elseif ($rowNum === $numRows - 1 && $this->_autoSeparate & self::AUTO_SEPARATE_FOOTER) {
$drawSeparator = true;
} else {
$drawSeparator = false;
}
if ($drawSeparator) {
$result .= $this->_decorator->getVerticalRight();
$currentUpperColumn = 0;
$currentLowerColumn = 0;
$currentUpperWidth = 0;
$currentLowerWidth = 0;
// Loop through all column widths
foreach ($this->_columnWidths as $columnNum => $columnWidth) {
// Add the horizontal line
$result .= str_repeat($this->_decorator->getHorizontal(), $columnWidth);
// If this is the last line, break out
if ($columnNum + 1 === $totalNumColumns) {
break;
}
// Else check, which connector style has to be used
$connector = 0x0;
$currentUpperWidth += $columnWidth;
$currentLowerWidth += $columnWidth;
if ($lastColumnWidths[$currentUpperColumn] === $currentUpperWidth) {
$connector |= 0x1;
$currentUpperColumn += 1;
$currentUpperWidth = 0;
} else {
$currentUpperWidth += 1;
}
if ($columnWidths[$currentLowerColumn] === $currentLowerWidth) {
$connector |= 0x2;
$currentLowerColumn += 1;
$currentLowerWidth = 0;
} else {
$currentLowerWidth += 1;
}
switch ($connector) {
case 0x0:
$result .= $this->_decorator->getHorizontal();
break;
case 0x1:
$result .= $this->_decorator->getHorizontalUp();
break;
case 0x2:
$result .= $this->_decorator->getHorizontalDown();
break;
case 0x3:
$result .= $this->_decorator->getCross();
break;
default:
// This can never happen, but the CS tells I have to have it ...
break;
}
}
$result .= $this->_decorator->getVerticalLeft() . "\n";
}
}
// Add the rendered row to the result
$result .= $renderedRow;
// If this is the last row, draw the table bottom
if ($rowNum + 1 === $numRows) {
$result .= $this->_decorator->getBottomLeft();
foreach ($columnWidths as $columnNum => $columnWidth) {
$result .= str_repeat($this->_decorator->getHorizontal(), $columnWidth);
if ($columnNum + 1 === $numColumns) {
$result .= $this->_decorator->getBottomRight();
} else {
$result .= $this->_decorator->getHorizontalUp();
}
}
$result .= "\n";
}
}
return $result;
}
