Add TemplateProcessor.setChart

Author: dbarzin

docs/templates-processing.rst

@@ -35,6 +35,16 @@ You can also set multiple values by passing all of them in an array.
 
     $templateProcessor->setValues(array('firstname' => 'John', 'lastname' => 'Doe'));
 
+setChartValue
+"""""""""""""
+Replace a variable by a chart.
+
+.. code-block:: php
+    $categories = array('A', 'B', 'C', 'D', 'E');
+    $series1 = array(1, 3, 2, 5, 4);
+    $chart = new Chart('doughnut', $categories, $series1);
+    $templateProcessor->setChartValue('myChart', $chart);
+
 setImageValue
 """""""""""""
 The search-pattern model for images can be like:

src/PhpWord/TemplateProcessor.php

@@ -346,6 +346,48 @@ public function setValues(array $values)
         }
     }
 
+
+    /**
+     * @param string $search
+     * @param \PhpOffice\PhpWord\Element\AbstractElement $complexType
+     */
+    public function setChart($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
+        $this->contentTypes['override']["/word/{$filename}"] = 'chart';
+
+        $this->relationships[] = array('target' => $filename, 'type' => 'chart', 'rID' => $rId);
+
+        $this->zipClass->addFromString("word/{$filename}", $writerPart->write());
+
+        // Add the chart to relations
+        $xmlChartRelation = "<Relationship Id=\"rId{$rId}\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart\" Target=\"charts/chart{$rId}.xml\"/>";
+
+        $this->tempDocumentRelations[$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);