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<?php
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use SKien\XFPDF\XPDF;
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/**
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* example to use the XPDF - class:
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* first, define own class extending XPDF to define table coloumns und to handle
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* the output of dynamic content.
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*
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* @author Stefanius
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*/
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class ExampleXPDF extends XPDF
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{
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/** const for own column ID's */
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const MY_GRP_COL = 1;
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const MY_IMAGE_COL = 2;
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const MY_CALC_COL = 3;
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/** @var string remember month and year of the previous row */
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protected string $strMonth = '';
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/**
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* define table columns
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* @param string $orientation
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*/
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public function __construct(string $orientation='P')
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{
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// first call parent constructor for general initialization
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parent::__construct($orientation);
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// next we can specify the fonts and colors to use
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// This can be done by using the various font and color functions.
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// - SetXXXFont()
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// - SetXXXColors()
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//
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// However, it is faster and easier if all settings are made in a JSON file.
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// (and above reusable for multiple reports).
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// The file name have to be passed to the InitGrid() method.
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//
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// The structure of the JSON file is self-explanatory and can be seen in the example file
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// used here.
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$this->initGrid('xfpdf-sample.json');
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// set Logo printed in the page header
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$this->setLogo('images/elephpant.png');
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$this->setLogoHeight(9.0);
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$this->setPageFooter("Page: {PN}/{NP}\tAuthor: S.Kien\t{D} {T}");
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// now we define the columns of our report
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$this->addCol('Row', 10, 'R', XPDF::COL_ROW_NR, XPDF::FLAG_TOTALS_TEXT);
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$this->addCol('Date', 35, 'C', 'date', XPDF::FLAG_DATE);
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$this->addCol('Text', -1, 'L', 'text');
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$this->addCol('Grp.', 12, 'C', self::MY_GRP_COL);
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$this->addCol('Weight', 20, 'R', 'weight', XPDF::FLAG_TOTALS_CALC | XPDF::FLAG_NUMBER);
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$iImgCol = $this->addCol(-1, 8, 'C', self::MY_IMAGE_COL, XPDF::FLAG_IMAGE | XPDF::FLAG_TOTALS_EMPTY);
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$this->addCol('Price', 25, 'R', 'price', XPDF::FLAG_TOTALS_CALC | XPDF::FLAG_CUR_SYMBOL);
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$this->addCol('Cost per kg', 25, 'R', self::MY_CALC_COL, XPDF::FLAG_TOTALS_EMPTY);
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// enable the totals/pagetotals and carry-over functionality
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$this->enableTotals(XPDF::TOTALS | XPDF::PAGE_TOTALS | XPDF::CARRY_OVER);
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$this->setTotalsText(
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"My Totals over all:",
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"Subtotal on Page {PN}:",
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"Carry over from Page {PN-1}:");
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// set date and number formating.
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$this->setDateFormat('%a, %d.%m.%Y');
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$this->setNumberFormat(1, '', ' kg');
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// and set meassuring for the image col
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$this->setColImageInfo($iImgCol, 1.5, 2.5, 3 );
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}
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/**
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* handle special content of cell
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* - any calculation
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* - formating
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* - ...
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* not included in raw data
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*
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* !! Important !!
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* dont't forget to call parent::col($iCol, $row, $bFill) if data not processed...
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*
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* (non-PHPdoc)
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* @see XPDF::col()
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*/
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protected function col(int $iCol, array $row, bool &$bFill) : string
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{
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$strCol = '';
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switch ($iCol) {
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case self::MY_GRP_COL:
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$aValues = array( '', 'Grp. A', 'Grp. B', 'Grp. C', 'Grp. D');
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if ($row['grp_id'] > 0 && $row['grp_id'] <= 4) {
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$strCol = $aValues[$row['grp_id']];
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}
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break;
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case self::MY_IMAGE_COL:
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$strCol = 'images/';
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$fltWeight = floatval($row['weight']);
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if ($fltWeight > 35.0) {
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// ... to heavy
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$strCol .= 'red.png';
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} else if ($fltWeight > 20.0) {
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// ... just in the limit
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$strCol .= 'yellow.png';
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} else {
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$strCol .= 'green.png';
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}
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break;
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case self::MY_CALC_COL:
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$fltPricePerKg = 0.0;
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if (floatval($row['weight']) != 0) {
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$fltPricePerKg = floatval($row['price']) / floatval($row['weight']);;
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}
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$strCol = $this->formatCurrency($fltPricePerKg, true);
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break;
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default:
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// very important to call parent class !!
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$strCol = parent::col($iCol, $row, $bFill);
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break;
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}
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return $strCol;
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}
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/**
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* the PreRow() method may be used to
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* - process internal state or properties
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* - start of grouping
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* - manipulate data of next row
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* - insert some separator or subtitle within the grid
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*
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* pay attention on $row param is passed as reference so any changes affects
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* further output.
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*
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* (non-PHPdoc)
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* @see XPDF::preRow()
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*/
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protected function preRow(array &$row) : string
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{
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// for grouping
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$date = strtotime($row['date']);
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$strMonth = date('Y-m', $date);
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if ( $this->strMonth != $strMonth) {
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// first row we have no subtotals...
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if ($this->strMonth != '') {
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$this->endGroup();
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}
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$this->startGroup('Totals ' . strftime('%B %Y', $date) . ':', strftime('%B %Y', $date));
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$this->strMonth = $strMonth;
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}
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$strSubRow = '';
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if ($this->iRow == 47) {
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$strSubRow = '... next Row have been manipulated in ExampleXPDF::preRow(array &$row)!';
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$row['text'] = 'manipulated Rowdata!';
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}
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if ($this->iRow == 56) {
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$row['text'] = 'manipulated Rowdata without Subrow!';
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}
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return $strSubRow;
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}
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/**
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* Overwrite the EndGrid() method to close the last group.
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* {@inheritDoc}
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* @see \SKien\XFPDF\XPDF::endGrid()
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*/
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public function endGrid() : void
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{
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// end last group for subtotals before we call the parent (!!! don't forget that!!)
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$this->endGroup();
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parent::endGrid();
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}
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}
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Stefanius67 /
XFPDF
