Add fixed setChart for templating PHPOffice#1058

Added legend position
Added overlay to 0 so the graph scales correctly

Author: snazy2000

src/PhpWord/Style/Chart.php

@@ -101,6 +101,17 @@ class Chart extends AbstractStyle
      */
     private $valueLabelPosition = 'nextTo';
 
+    /**
+     * A string that tells the write where to write the legend on the chart
+     * "b" - Bottom of graph
+     * "l" - Left of graph
+     * "r" - Right of graph
+     * "t" - top of graph
+     * "tr" - top right of graph
+     * @var string
+     */
+    private $legendPosition = 'r';
+
     /**
      * @var string
      */
@@ -285,6 +296,35 @@ public function setShowLegend($value = false)
         return $this;
     }
 
+    /**
+     * Get the legendPosition setting
+     *
+     * @return string
+     */
+    public function getLegendPosition()
+    {
+        return $this->legendPosition;
+    }
+
+    /**
+     * Set the legendPosition setting
+     * "b" - Bottom of graph
+     * "l" - Left of graph
+     * "r" - Right of graph
+     * "t" - top of graph
+     * "tr" - top right of graph
+     *
+     * @param string
+     * @param mixed $legendPosition
+     */
+    public function setLegendPosition($legendPosition)
+    {
+        $enum = array('b', 'l', 'r', 't', 'tr');
+        $this->legendPosition = $this->setEnumVal($legendPosition, $enum, $this->legendPosition);
+
+        return $this;
+    }
+
     /*
      * Show labels for axis
      *

src/PhpWord/TemplateProcessor.php

@@ -346,6 +346,48 @@ public function setValues(array $values)
         }
     }
 
+    /**
+     * @param string $search
+     * @param \PhpOffice\PhpWord\Element\AbstractElement $chart
+     */
+    public function setChart($search, \PhpOffice\PhpWord\Element\AbstractElement $chart)
+    {
+        $elementName = substr(get_class($chart), strrpos(get_class($chart), '\\') + 1);
+        $objectClass = 'PhpOffice\\PhpWord\\Writer\\Word2007\\Element\\' . $elementName;
+
+        // Get the next relation id
+        $rId= $this->getNextRelationsIndex($this->getMainPartName());
+        $chart->setRelationId($rId);
+
+        // Define the chart filename
+        $filename = "charts/chart{$rId}.xml";
+
+        // Get the part writer
+        $writerPart = new \PhpOffice\PhpWord\Writer\Word2007\Part\Chart();
+        $writerPart->setElement($chart);
+
+        // ContentTypes.xml
+        $this->zipClass->addFromString("word/{$filename}", $writerPart->write());
+
+        // Add the chart to relations
+        $relationTpl = '<Relationship Id="rId{RID}" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart" Target="charts/chart{RID}.xml"/>';
+        $typeTpl = '<Override PartName="/word/{CHART}" ContentType="application/vnd.openxmlformats-officedocument.drawingml.chart+xml"/>';
+
+        $xmlChartRelation = str_replace(array('{RID}'), array($rId), $relationTpl);
+        $xmlChartType = str_replace(array('{CHART}'), array($filename), $typeTpl);
+
+        $this->tempDocumentContentTypes = str_replace('</Types>', $xmlChartType, $this->tempDocumentContentTypes) . '</Types>';
+        $this->tempDocumentRelations[$this->getMainPartName()] = str_replace('</Relationships>', $xmlChartRelation, $this->tempDocumentRelations[$this->getMainPartName()]) . '</Relationships>';
+
+        // Write the chart
+        $xmlWriter = new XMLWriter();
+        $elementWriter = new $objectClass($xmlWriter, $chart, true);
+        $elementWriter->write();
+
+        // Place it in the template
+        $this->replaceXmlBlock($search, "<w:p>" . $xmlWriter->getData() . "</w:p>", 'w:p');
+    }
+
     private function getImageArgs($varNameWithArgs)
     {
         $varElements = explode(':', $varNameWithArgs);

src/PhpWord/Writer/Word2007/Part/Chart.php

@@ -154,7 +154,7 @@ private function writePlotArea(XMLWriter $xmlWriter)
 
         //Chart legend
         if ($showLegend) {
-            $xmlWriter->writeRaw('<c:legend><c:legendPos val="r"/></c:legend>');
+            $xmlWriter->writeRaw('<c:legend><c:legendPos val="' .  $style->getLegendPosition() . '"/><c:overlay val="0" /></c:legend>');
         }
 
         $xmlWriter->startElement('c:plotArea');