From ded651d947f9f83c0c3bc6072542c4b75998a15e Mon Sep 17 00:00:00 2001
From: Ivan Lanin <ivanlanin@gmail.com>
Date: Sun, 11 May 2014 17:30:23 +0700
Subject: [PATCH] #149: Ability to add table inside a cell (nested table)

---
 CHANGELOG.md                                  |  1 +
 samples/Sample_09_Tables.php                  | 10 +++++++++
 src/PhpWord/Element/AbstractContainer.php     |  2 +-
 .../Writer/Word2007/Element/Container.php     | 22 +++++++++++--------
 4 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a337da69..9656a3ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ This release changed PHPWord license from LGPL 2.1 to LGPL 3.
 - TextBox: Ability to add textbox in section, header, and footer - @basjan @ivanlanin GH-228
 - TextBox: Ability to add table inside textbox - @basjan GH-231
 - HTML: Ability to add elements to PHPWord object via html - @basjan GH-231
+- Table: Ability to add table inside a cell (nested table) - @ivanlanin GH-149
 
 ### Bugfixes
 
diff --git a/samples/Sample_09_Tables.php b/samples/Sample_09_Tables.php
index 5b4b1300..5f77f8db 100644
--- a/samples/Sample_09_Tables.php
+++ b/samples/Sample_09_Tables.php
@@ -84,6 +84,16 @@ $table->addCell(2000, $cellVCentered)->addText('C', null, $cellHCentered);
 $table->addCell(2000, $cellVCentered)->addText('D', null, $cellHCentered);
 $table->addCell(null, $cellRowContinue);
 
+// 4. Nested table
+
+$section->addTextBreak(2);
+$section->addText('Nested table', $header);
+
+$cell = $section->addTable()->addRow()->addCell();
+$cell->addText('This cell contains nested table.');
+$innerCell = $cell->addTable()->addRow()->addCell();
+$innerCell->addText('Inside nested table');
+
 // Save file
 echo write($phpWord, basename(__FILE__, '.php'), $writers);
 if (!CLI) {
diff --git a/src/PhpWord/Element/AbstractContainer.php b/src/PhpWord/Element/AbstractContainer.php
index 431a3066..8989007a 100644
--- a/src/PhpWord/Element/AbstractContainer.php
+++ b/src/PhpWord/Element/AbstractContainer.php
@@ -354,7 +354,7 @@ abstract class AbstractContainer extends AbstractElement
             'Object'        => $allContainers,
             'TextRun'       => array('section', 'header', 'footer', 'cell', 'textbox'),
             'ListItem'      => array('section', 'header', 'footer', 'cell', 'textbox'),
-            'Table'         => array('section', 'header', 'footer', 'textbox'),
+            'Table'         => array('section', 'header', 'footer', 'cell', 'textbox'),
             'CheckBox'      => array('section', 'header', 'footer', 'cell'),
             'TextBox'       => array('section', 'header', 'footer', 'cell'),
             'Footnote'      => array('section', 'textrun', 'cell'),
diff --git a/src/PhpWord/Writer/Word2007/Element/Container.php b/src/PhpWord/Writer/Word2007/Element/Container.php
index 384fbd5b..cca79cca 100644
--- a/src/PhpWord/Writer/Word2007/Element/Container.php
+++ b/src/PhpWord/Writer/Word2007/Element/Container.php
@@ -43,19 +43,23 @@ class Container extends AbstractElement
         $containerClass = substr(get_class($container), strrpos(get_class($container), '\\') + 1);
         $withoutP = in_array($containerClass, array('TextRun', 'Footnote', 'Endnote')) ? true : false;
 
-        // Loop through subelements
-        $subelements = $container->getElements();
-        if (count($subelements) > 0) {
-            foreach ($subelements as $subelement) {
-                $writerClass = str_replace('PhpOffice\\PhpWord\\Element', $this->namespace, get_class($subelement));
+        // Loop through elements
+        $elements = $container->getElements();
+        $elementClass = '';
+        if (count($elements) > 0) {
+            foreach ($elements as $element) {
+                $elementClass = get_class($element);
+                $writerClass = str_replace('PhpOffice\\PhpWord\\Element', $this->namespace, $elementClass);
                 if (class_exists($writerClass)) {
-                    $writer = new $writerClass($xmlWriter, $subelement, $withoutP);
+                    $writer = new $writerClass($xmlWriter, $element, $withoutP);
                     $writer->write();
                 }
             }
-        } else {
-            // Special case for Cell: They have to contain a TextBreak at least
-            if ($containerClass == 'Cell') {
+        }
+
+        // Special case for Cell: They have to contain a w:p element at the end
+        if ($containerClass == 'Cell') {
+            if ($elementClass == '' || $elementClass == 'PhpOffice\\PhpWord\\Element\\Table') {
                 $writerClass = "{$this->namespace}\\TextBreak";
                 $writer = new $writerClass($xmlWriter, new TextBreakElement(), $withoutP);
                 $writer->write();