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<?php
/**
* This file is part of PHPWord - A pure PHP library for reading and writing
* word processing documents.
*
* PHPWord is free software distributed under the terms of the GNU Lesser
* General Public License version 3 as published by the Free Software Foundation.
*
* For the full copyright and license information, please read the LICENSE
* file that was distributed with this source code. For the full list of
* contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
*
* @see https://github.com/PHPOffice/PHPWord
* @copyright 2010-2018 PHPWord contributors
* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
*/
namespace PhpOffice\PhpWord\Writer\Word2007\Part;
use PhpOffice\Common\XMLWriter;
use PhpOffice\PhpWord\Element\Chart as ChartElement;
/**
* Word2007 chart part writer: word/charts/chartx.xml
*
* @since 0.12.0
* @see http://www.datypic.com/sc/ooxml/e-draw-chart_chartSpace.html
*/
class Chart extends AbstractPart
{
/**
* Chart element
*
* @var \PhpOffice\PhpWord\Element\Chart
*/
private $element;
/**
* Type definition
*
* @var array
*/
private $types = array(
'pie' => array('type' => 'pie', 'colors' => 1),
'doughnut' => array('type' => 'doughnut', 'colors' => 1, 'hole' => 75, 'no3d' => true),
'bar' => array('type' => 'bar', 'colors' => 0, 'axes' => true, 'bar' => 'bar', 'grouping' => 'clustered'),
'stacked_bar' => array('type' => 'bar', 'colors' => 0, 'axes' => true, 'bar' => 'bar', 'grouping' => 'stacked'),
'percent_stacked_bar' => array('type' => 'bar', 'colors' => 0, 'axes' => true, 'bar' => 'bar', 'grouping' => 'percentStacked'),
'column' => array('type' => 'bar', 'colors' => 0, 'axes' => true, 'bar' => 'col', 'grouping' => 'clustered'),
'stacked_column' => array('type' => 'bar', 'colors' => 0, 'axes' => true, 'bar' => 'col', 'grouping' => 'stacked'),
'percent_stacked_column' => array('type' => 'bar', 'colors' => 0, 'axes' => true, 'bar' => 'col', 'grouping' => 'percentStacked'),
'line' => array('type' => 'line', 'colors' => 0, 'axes' => true),
'area' => array('type' => 'area', 'colors' => 0, 'axes' => true),
'radar' => array('type' => 'radar', 'colors' => 0, 'axes' => true, 'radar' => 'standard', 'no3d' => true),
'scatter' => array('type' => 'scatter', 'colors' => 0, 'axes' => true, 'scatter' => 'marker', 'no3d' => true),
);
/**
* Chart options
*
* @var array
*/
private $options = array();
/**
* Set chart element.
*
* @param \PhpOffice\PhpWord\Element\Chart $element
*/
public function setElement(ChartElement $element)
{
$this->element = $element;
}
/**
* Write part
*
* @return string
*/
public function write()
{
$xmlWriter = $this->getXmlWriter();
$xmlWriter->startDocument('1.0', 'UTF-8', 'yes');
$xmlWriter->startElement('c:chartSpace');
$xmlWriter->writeAttribute('xmlns:c', 'http://schemas.openxmlformats.org/drawingml/2006/chart');
$xmlWriter->writeAttribute('xmlns:a', 'http://schemas.openxmlformats.org/drawingml/2006/main');
$xmlWriter->writeAttribute('xmlns:r', 'http://schemas.openxmlformats.org/officeDocument/2006/relationships');
$this->writeChart($xmlWriter);
$this->writeShape($xmlWriter);
$xmlWriter->endElement(); // c:chartSpace
return $xmlWriter->getData();
}
/**
* Write chart
*
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_Chart.html
* @param \PhpOffice\Common\XMLWriter $xmlWriter
*/
private function writeChart(XMLWriter $xmlWriter)
{
$xmlWriter->startElement('c:chart');
$this->writePlotArea($xmlWriter);
$xmlWriter->endElement(); // c:chart
}
/**
* Write plot area.
*
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_PlotArea.html
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_PieChart.html
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_DoughnutChart.html
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_BarChart.html
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_LineChart.html
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_AreaChart.html
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_RadarChart.html
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_ScatterChart.html
* @param \PhpOffice\Common\XMLWriter $xmlWriter
*/
private function writePlotArea(XMLWriter $xmlWriter)
{
$type = $this->element->getType();
$style = $this->element->getStyle();
$this->options = $this->types[$type];
$title = $style->getTitle();
$showLegend = $style->isShowLegend();
//Chart title
if ($title) {
$xmlWriter->startElement('c:title');
$xmlWriter->startElement('c:tx');
$xmlWriter->startElement('c:rich');
$xmlWriter->writeRaw('
<a:bodyPr/>
<a:lstStyle/>
<a:p>
<a:pPr>
<a:defRPr/></a:pPr><a:r><a:rPr/><a:t>' . $title . '</a:t></a:r>
<a:endParaRPr/>
</a:p>');
$xmlWriter->endElement(); // c:rich
$xmlWriter->endElement(); // c:tx
$xmlWriter->endElement(); // c:title
} else {
$xmlWriter->writeElementBlock('c:autoTitleDeleted', 'val', 1);
}
//Chart legend
if ($showLegend) {
$xmlWriter->writeRaw('<c:legend><c:legendPos val="r"/></c:legend>');
}
$xmlWriter->startElement('c:plotArea');
$xmlWriter->writeElement('c:layout');
// Chart
$chartType = $this->options['type'];
$chartType .= $style->is3d() && !isset($this->options['no3d']) ? '3D' : '';
$chartType .= 'Chart';
$xmlWriter->startElement("c:{$chartType}");
$xmlWriter->writeElementBlock('c:varyColors', 'val', $this->options['colors']);
if ($type == 'area') {
$xmlWriter->writeElementBlock('c:grouping', 'val', 'standard');
}
if (isset($this->options['hole'])) {
$xmlWriter->writeElementBlock('c:holeSize', 'val', $this->options['hole']);
}
if (isset($this->options['bar'])) {
$xmlWriter->writeElementBlock('c:barDir', 'val', $this->options['bar']); // bar|col
$xmlWriter->writeElementBlock('c:grouping', 'val', $this->options['grouping']); // 3d; standard = percentStacked
}
if (isset($this->options['radar'])) {
$xmlWriter->writeElementBlock('c:radarStyle', 'val', $this->options['radar']);
}
if (isset($this->options['scatter'])) {
$xmlWriter->writeElementBlock('c:scatterStyle', 'val', $this->options['scatter']);
}
// Series
$this->writeSeries($xmlWriter, isset($this->options['scatter']));
$xmlWriter->writeElementBlock('c:overlap', 'val', '100');
// Axes
if (isset($this->options['axes'])) {
$xmlWriter->writeElementBlock('c:axId', 'val', 1);
$xmlWriter->writeElementBlock('c:axId', 'val', 2);
}
$xmlWriter->endElement(); // chart type
// Axes
if (isset($this->options['axes'])) {
$this->writeAxis($xmlWriter, 'cat');
$this->writeAxis($xmlWriter, 'val');
}
$xmlWriter->endElement(); // c:plotArea
}
/**
* Write series.
*
* @param \PhpOffice\Common\XMLWriter $xmlWriter
* @param bool $scatter
*/
private function writeSeries(XMLWriter $xmlWriter, $scatter = false)
{
$series = $this->element->getSeries();
$style = $this->element->getStyle();
$colors = $style->getColors();
$index = 0;
foreach ($series as $seriesItem) {
$categories = $seriesItem['categories'];
$values = $seriesItem['values'];
$xmlWriter->startElement('c:ser');
$xmlWriter->writeElementBlock('c:idx', 'val', $index);
$xmlWriter->writeElementBlock('c:order', 'val', $index);
if (!is_null($seriesItem['name']) && $seriesItem['name'] != '') {
$xmlWriter->startElement('c:tx');
$xmlWriter->startElement('c:strRef');
$xmlWriter->startElement('c:strCache');
$xmlWriter->writeElementBlock('c:ptCount', 'val', 1);
$xmlWriter->startElement('c:pt');
$xmlWriter->writeAttribute('idx', 0);
$xmlWriter->startElement('c:v');
$xmlWriter->writeRaw($seriesItem['name']);
$xmlWriter->endElement(); // c:v
$xmlWriter->endElement(); // c:pt
$xmlWriter->endElement(); // c:strCache
$xmlWriter->endElement(); // c:strRef
$xmlWriter->endElement(); // c:tx
}
// The c:dLbls was added to make word charts look more like the reports in SurveyGizmo
// This section needs to be made configurable before a pull request is made
$xmlWriter->startElement('c:dLbls');
foreach ($style->getDataLabelOptions() as $option => $val) {
$xmlWriter->writeElementBlock("c:{$option}", 'val', (int) $val);
}
$xmlWriter->endElement(); // c:dLbls
if (isset($this->options['scatter'])) {
$this->writeShape($xmlWriter);
}
if ($scatter === true) {
$this->writeSeriesItem($xmlWriter, 'xVal', $categories);
$this->writeSeriesItem($xmlWriter, 'yVal', $values);
} else {
$this->writeSeriesItem($xmlWriter, 'cat', $categories);
$this->writeSeriesItem($xmlWriter, 'val', $values);
// setting the chart colors was taken from https://github.com/PHPOffice/PHPWord/issues/494
if (is_array($colors) && count($colors)) {
// This is a workaround to make each series in a stack chart use a different color
if ($this->options['type'] == 'bar' && stristr($this->options['grouping'], 'stacked')) {
array_shift($colors);
}
$colorIndex = 0;
foreach ($colors as $color) {
$xmlWriter->startElement('c:dPt');
$xmlWriter->writeElementBlock('c:idx', 'val', $colorIndex);
$xmlWriter->startElement('c:spPr');
$xmlWriter->startElement('a:solidFill');
$xmlWriter->writeElementBlock('a:srgbClr', 'val', $color);
$xmlWriter->endElement(); // a:solidFill
$xmlWriter->endElement(); // c:spPr
$xmlWriter->endElement(); // c:dPt
$colorIndex++;
}
}
}
$xmlWriter->endElement(); // c:ser
$index++;
}
}
/**
* Write series items.
*
* @param \PhpOffice\Common\XMLWriter $xmlWriter
* @param string $type
* @param array $values
*/
private function writeSeriesItem(XMLWriter $xmlWriter, $type, $values)
{
$types = array(
'cat' => array('c:cat', 'c:strLit'),
'val' => array('c:val', 'c:numLit'),
'xVal' => array('c:xVal', 'c:strLit'),
'yVal' => array('c:yVal', 'c:numLit'),
);
list($itemType, $itemLit) = $types[$type];
$xmlWriter->startElement($itemType);
$xmlWriter->startElement($itemLit);
$xmlWriter->writeElementBlock('c:ptCount', 'val', count($values));
$index = 0;
foreach ($values as $value) {
$xmlWriter->startElement('c:pt');
$xmlWriter->writeAttribute('idx', $index);
if (\PhpOffice\PhpWord\Settings::isOutputEscapingEnabled()) {
$xmlWriter->writeElement('c:v', $value);
} else {
$xmlWriter->startElement('c:v');
$xmlWriter->writeRaw($value);
$xmlWriter->endElement(); // c:v
}
$xmlWriter->endElement(); // c:pt
$index++;
}
$xmlWriter->endElement(); // $itemLit
$xmlWriter->endElement(); // $itemType
}
/**
* Write axis
*
* @see http://www.datypic.com/sc/ooxml/t-draw-chart_CT_CatAx.html
* @param \PhpOffice\Common\XMLWriter $xmlWriter
* @param string $type
*/
private function writeAxis(XMLWriter $xmlWriter, $type)
{
$style = $this->element->getStyle();
$types = array(
'cat' => array('c:catAx', 1, 'b', 2),
'val' => array('c:valAx', 2, 'l', 1),
);
list($axisType, $axisId, $axisPos, $axisCross) = $types[$type];
$xmlWriter->startElement($axisType);
$xmlWriter->writeElementBlock('c:axId', 'val', $axisId);
$xmlWriter->writeElementBlock('c:axPos', 'val', $axisPos);
$categoryAxisTitle = $style->getCategoryAxisTitle();
$valueAxisTitle = $style->getValueAxisTitle();
if ($axisType == 'c:catAx') {
if (!is_null($categoryAxisTitle)) {
$this->writeAxisTitle($xmlWriter, $categoryAxisTitle);
}
} elseif ($axisType == 'c:valAx') {
if (!is_null($valueAxisTitle)) {
$this->writeAxisTitle($xmlWriter, $valueAxisTitle);
}
}
$xmlWriter->writeElementBlock('c:crossAx', 'val', $axisCross);
$xmlWriter->writeElementBlock('c:auto', 'val', 1);
if (isset($this->options['axes'])) {
$xmlWriter->writeElementBlock('c:delete', 'val', 0);
$xmlWriter->writeElementBlock('c:majorTickMark', 'val', $style->getMajorTickPosition());
$xmlWriter->writeElementBlock('c:minorTickMark', 'val', 'none');
if ($style->showAxisLabels()) {
if ($axisType == 'c:catAx') {
$xmlWriter->writeElementBlock('c:tickLblPos', 'val', $style->getCategoryLabelPosition());
} else {
$xmlWriter->writeElementBlock('c:tickLblPos', 'val', $style->getValueLabelPosition());
}
} else {
$xmlWriter->writeElementBlock('c:tickLblPos', 'val', 'none');
}
$xmlWriter->writeElementBlock('c:crosses', 'val', 'autoZero');
}
if (isset($this->options['radar']) || ($type == 'cat' && $style->showGridX()) || ($type == 'val' && $style->showGridY())) {
$xmlWriter->writeElement('c:majorGridlines');
}
$xmlWriter->startElement('c:scaling');
$xmlWriter->writeElementBlock('c:orientation', 'val', 'minMax');
$xmlWriter->endElement(); // c:scaling
$this->writeShape($xmlWriter, true);
$xmlWriter->endElement(); // $axisType
}
/**
* Write shape
*
* @see http://www.datypic.com/sc/ooxml/t-a_CT_ShapeProperties.html
* @param \PhpOffice\Common\XMLWriter $xmlWriter
* @param bool $line
*/
private function writeShape(XMLWriter $xmlWriter, $line = false)
{
$xmlWriter->startElement('c:spPr');
$xmlWriter->startElement('a:ln');
if ($line === true) {
$xmlWriter->writeElement('a:solidFill');
} else {
$xmlWriter->writeElement('a:noFill');
}
$xmlWriter->endElement(); // a:ln
$xmlWriter->endElement(); // c:spPr
}
private function writeAxisTitle(XMLWriter $xmlWriter, $title)
{
$xmlWriter->startElement('c:title'); //start c:title
$xmlWriter->startElement('c:tx'); //start c:tx
$xmlWriter->startElement('c:rich'); // start c:rich
$xmlWriter->writeElement('a:bodyPr');
$xmlWriter->writeElement('a:lstStyle');
$xmlWriter->startElement('a:p');
$xmlWriter->startElement('a:pPr');
$xmlWriter->writeElement('a:defRPr');
$xmlWriter->endElement(); // end a:pPr
$xmlWriter->startElement('a:r');
$xmlWriter->writeElementBlock('a:rPr', 'lang', 'en-US');
$xmlWriter->startElement('a:t');
$xmlWriter->writeRaw($title);
$xmlWriter->endElement(); //end a:t
$xmlWriter->endElement(); // end a:r
$xmlWriter->endElement(); //end a:p
$xmlWriter->endElement(); //end c:rich
$xmlWriter->endElement(); // end c:tx
$xmlWriter->writeElementBlock('c:overlay', 'val', '0');
$xmlWriter->endElement(); // end c:title
}
}