HTML reader supports text and background color from inline CSS, for `…

…td` and `th` element Closes #180
PHPOffice · Jun 23, 2017 · 2a6ab17 · 2a6ab17
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Additional codepages
 - MemoryDrawing not working in HTML writer [#808](https://github.com/PHPOffice/PHPExcel/issues/808)
 - CSV Reader can auto-detect the separator used in file [#141](https://github.com/PHPOffice/PhpSpreadsheet/pull/141)
+- HTML Reader supports some basic inline styles [#180](https://github.com/PHPOffice/PhpSpreadsheet/pull/180)
 
 ### Changed
 

diff --git a/docs/references/features-cross-reference.md b/docs/references/features-cross-reference.md
@@ -906,7 +906,7 @@
 		<td></td>
 		<td></td>
 		<td></td>
-		<td></td>
+		<td style="text-align: center; color: orange;">●</td>
 		<td></td>
 		<td></td>
 		<td></td>

diff --git a/samples/46_ReadHtml.php b/samples/46_ReadHtml.php
@@ -0,0 +1,19 @@
+<?php
+
+// Turn off error reporting
+error_reporting(0);
+
+use PhpOffice\PhpSpreadsheet\IOFactory;
+
+require __DIR__ . '/Header.php';
+
+$html = __DIR__ . '/templates/46readHtml.html';
+$callStartTime = microtime(true);
+
+$objReader = IOFactory::createReader('Html');
+$objPHPExcel = $objReader->load($html);
+
+$helper->logRead('Html', $html, $callStartTime);
+
+// Save
+$helper->write($objPHPExcel, __FILE__);
diff --git a/samples/templates/46readHtml.html b/samples/templates/46readHtml.html
@@ -0,0 +1,130 @@
+
+<!DOCTYPE html>
+<html>
+<head>
+	<meta charset="UTF-8">
+	<title>Competency List</title>
+</head>
+<body>
+<table class="w3-table-all notranslate">
+    <tr>
+    <th style="background-color: #0000FF;color:#FFFFFF">Color Name</th>
+    <th style="background-color: #FF0000">HEX</th>
+    <th style="background-color: #008000">Color</th>
+    </tr>
+
+    <tr>
+    <td style="color:#000000">Black</td>
+    <td>#000000</td>
+    <td style="background-color:#000000">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#0000FF">Blue</td>
+    <td>#0000FF</td>
+    <td style="background-color:#0000FF">&nbsp;</td>
+    </tr>
+
+
+    <tr>
+    <td style="color:#008000">Green</td>
+    <td>#008000</td>
+    <td style="background-color:#008000">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#00FFFF">Cyan</td>
+    <td>#00FFFF</td>
+    <td style="background-color:#00FFFF">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#800080">Purple</td>
+    <td>#800080</td>
+    <td style="background-color:#800080">&nbsp;</td>
+    </tr>
+
+
+    <tr>
+    <td style="color:#800080">Grey</td>
+    <td>#808080</td>
+    <td style="background-color:#808080">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#87CEEB">SkyBlue</td>
+    <td>#87CEEB</td>
+    <td style="background-color:#87CEEB">&nbsp;</td>
+    </tr>
+
+
+    <tr>
+    <td style="color:#A52A2A">Brown</td>
+    <td>#A52A2A</td>
+    <td style="background-color:#A52A2A">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#C0C0C0;background-color: #000000">Silver</td>
+    <td>#C0C0C0</td>
+    <td style="background-color:#C0C0C0">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#D2691E">Chocolate</td>
+    <td>#D2691E</td>
+    <td style="background-color:#D2691E">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#D2B48C;background-color: #000000">Tan</td>
+    <td>#D2B48C</td>
+    <td style="background-color:#D2B48C">&nbsp;</td>
+    </tr>
+
+
+    <tr>
+    <td style="color:#EE82EE;background-color: #000000">Violet</td>
+    <td>#EE82EE</td>
+    <td style="background-color:#EE82EE">&nbsp;</td>
+    </tr>
+
+
+    <tr>
+    <td style="color:#FF0000;background-color: #000000">Red</td>
+    <td>#FF0000</td>
+    <td style="background-color:#FF0000">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#FFC0CB;background-color: #000000">Pink</td>
+    <td>#FFC0CB</td>
+    <td style="background-color:#FFC0CB">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#FFD700;background-color: #000000">Gold</td>
+    <td>#FFD700</td>
+    <td style="background-color:#FFD700">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#FFFF00;background-color: #000000">Yellow</td>
+    <td>#FFFF00</td>
+    <td style="background-color:#FFFF00">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#FFFFE0;background-color: #000000">LightYellow</td>
+    <td>#FFFFE0</td>
+    <td style="background-color:#FFFFE0">&nbsp;</td>
+    </tr>
+
+    <tr>
+    <td style="color:#FFFFFF;background-color: #000000">White</td>
+    <td>#FFFFFF</td>
+    <td style="background-color:#FFFFFF">&nbsp;</td>
+    </tr>
+</table>
+</body>
+</html>
diff --git a/src/PhpSpreadsheet/Reader/Html.php b/src/PhpSpreadsheet/Reader/Html.php
@@ -442,6 +442,9 @@ protected function processDomElement(DOMNode $element, Worksheet $sheet, &$row,
                     case 'td':
                         $this->processDomElement($child, $sheet, $row, $column, $cellContent);
 
+                        // apply inline style
+                        $this->applyInlineStyle($sheet, $row, $column, $attributeArray);
+
                         while (isset($this->rowspan[$column . $row])) {
                             ++$column;
                         }
@@ -584,4 +587,56 @@ public function securityScan($xml)
 
         return $xml;
     }
+
+    /**
+     * Apply inline css inline style.
+     *
+     * NOTES :
+     * Currently only intended for td & th element,
+     * and only takes 'background-color' and 'color'; property with HEX color
+     *
+     * TODO :
+     * - Implement to other propertie, such as border
+     *
+     * @param Worksheet $sheet
+     * @param array $attributeArray
+     * @param int $row
+     * @param string $column
+     */
+    private function applyInlineStyle(&$sheet, $row, $column, $attributeArray)
+    {
+        if (!isset($attributeArray['style'])) {
+            return;
+        }
+
+        $supported_styles = ['background-color', 'color'];
+
+        // add color styles (background & text) from dom element,currently support : td & th, using ONLY inline css style with RGB color
+        $styles = explode(';', $attributeArray['style']);
+        foreach ($styles as $st) {
+            $value = explode(':', $st);
+
+            if (empty(trim($value[0])) || !in_array(trim($value[0]), $supported_styles)) {
+                continue;
+            }
+
+            //check if has #, so we can get clean hex
+            if (substr(trim($value[1]), 0, 1) == '#') {
+                $style_color = substr(trim($value[1]), 1);
+            }
+
+            if (empty($style_color)) {
+                continue;
+            }
+
+            switch (trim($value[0])) {
+                case 'background-color':
+                    $sheet->getStyle($column . $row)->applyFromArray(['fill' => ['type' => Fill::FILL_SOLID, 'color' => ['rgb' => "{$style_color}"]]]);
+                    break;
+                case 'color':
+                    $sheet->getStyle($column . $row)->applyFromArray(['font' => ['color' => ['rgb' => "$style_color}"]]]);
+                    break;
+            }
+        }
+    }
 }