/PHPExcel/Writer/Excel2007/ContentTypes.php

https://bitbucket.org/nfredricks/wp-employee-time · PHP · 261 lines · 147 code · 31 blank · 83 comment · 31 complexity · 675b8b78324bbe364e9c753c989d5e08 MD5 · raw file

  1. <?php
  2. /**
  3. * PHPExcel
  4. *
  5. * Copyright (c) 2006 - 2012 PHPExcel
  6. *
  7. * This library is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or (at your option) any later version.
  11. *
  12. * This library is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this library; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. *
  21. * @category PHPExcel
  22. * @package PHPExcel_Writer_Excel2007
  23. * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
  24. * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
  25. * @version 1.7.8, 2012-10-12
  26. */
  27. /**
  28. * PHPExcel_Writer_Excel2007_ContentTypes
  29. *
  30. * @category PHPExcel
  31. * @package PHPExcel_Writer_Excel2007
  32. * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
  33. */
  34. class PHPExcel_Writer_Excel2007_ContentTypes extends PHPExcel_Writer_Excel2007_WriterPart
  35. {
  36. /**
  37. * Write content types to XML format
  38. *
  39. * @param PHPExcel $pPHPExcel
  40. * @param boolean $includeCharts Flag indicating if we should include drawing details for charts
  41. * @return string XML Output
  42. * @throws Exception
  43. */
  44. public function writeContentTypes(PHPExcel $pPHPExcel = null, $includeCharts = FALSE)
  45. {
  46. // Create XML writer
  47. $objWriter = null;
  48. if ($this->getParentWriter()->getUseDiskCaching()) {
  49. $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
  50. } else {
  51. $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
  52. }
  53. // XML header
  54. $objWriter->startDocument('1.0','UTF-8','yes');
  55. // Types
  56. $objWriter->startElement('Types');
  57. $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/content-types');
  58. // Theme
  59. $this->_writeOverrideContentType(
  60. $objWriter, '/xl/theme/theme1.xml', 'application/vnd.openxmlformats-officedocument.theme+xml'
  61. );
  62. // Styles
  63. $this->_writeOverrideContentType(
  64. $objWriter, '/xl/styles.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml'
  65. );
  66. // Rels
  67. $this->_writeDefaultContentType(
  68. $objWriter, 'rels', 'application/vnd.openxmlformats-package.relationships+xml'
  69. );
  70. // XML
  71. $this->_writeDefaultContentType(
  72. $objWriter, 'xml', 'application/xml'
  73. );
  74. // VML
  75. $this->_writeDefaultContentType(
  76. $objWriter, 'vml', 'application/vnd.openxmlformats-officedocument.vmlDrawing'
  77. );
  78. // Workbook
  79. $this->_writeOverrideContentType(
  80. $objWriter, '/xl/workbook.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml'
  81. );
  82. // DocProps
  83. $this->_writeOverrideContentType(
  84. $objWriter, '/docProps/app.xml', 'application/vnd.openxmlformats-officedocument.extended-properties+xml'
  85. );
  86. $this->_writeOverrideContentType(
  87. $objWriter, '/docProps/core.xml', 'application/vnd.openxmlformats-package.core-properties+xml'
  88. );
  89. $customPropertyList = $pPHPExcel->getProperties()->getCustomProperties();
  90. if (!empty($customPropertyList)) {
  91. $this->_writeOverrideContentType(
  92. $objWriter, '/docProps/custom.xml', 'application/vnd.openxmlformats-officedocument.custom-properties+xml'
  93. );
  94. }
  95. // Worksheets
  96. $sheetCount = $pPHPExcel->getSheetCount();
  97. for ($i = 0; $i < $sheetCount; ++$i) {
  98. $this->_writeOverrideContentType(
  99. $objWriter, '/xl/worksheets/sheet' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml'
  100. );
  101. }
  102. // Shared strings
  103. $this->_writeOverrideContentType(
  104. $objWriter, '/xl/sharedStrings.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml'
  105. );
  106. // Add worksheet relationship content types
  107. $chart = 1;
  108. for ($i = 0; $i < $sheetCount; ++$i) {
  109. $drawings = $pPHPExcel->getSheet($i)->getDrawingCollection();
  110. $drawingCount = count($drawings);
  111. $chartCount = ($includeCharts) ? $pPHPExcel->getSheet($i)->getChartCount() : 0;
  112. // We need a drawing relationship for the worksheet if we have either drawings or charts
  113. if (($drawingCount > 0) || ($chartCount > 0)) {
  114. $this->_writeOverrideContentType(
  115. $objWriter, '/xl/drawings/drawing' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.drawing+xml'
  116. );
  117. }
  118. // If we have charts, then we need a chart relationship for every individual chart
  119. if ($chartCount > 0) {
  120. for ($c = 0; $c < $chartCount; ++$c) {
  121. $this->_writeOverrideContentType(
  122. $objWriter, '/xl/charts/chart' . $chart++ . '.xml', 'application/vnd.openxmlformats-officedocument.drawingml.chart+xml'
  123. );
  124. }
  125. }
  126. }
  127. // Comments
  128. for ($i = 0; $i < $sheetCount; ++$i) {
  129. if (count($pPHPExcel->getSheet($i)->getComments()) > 0) {
  130. $this->_writeOverrideContentType(
  131. $objWriter, '/xl/comments' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml'
  132. );
  133. }
  134. }
  135. // Add media content-types
  136. $aMediaContentTypes = array();
  137. $mediaCount = $this->getParentWriter()->getDrawingHashTable()->count();
  138. for ($i = 0; $i < $mediaCount; ++$i) {
  139. $extension = '';
  140. $mimeType = '';
  141. if ($this->getParentWriter()->getDrawingHashTable()->getByIndex($i) instanceof PHPExcel_Worksheet_Drawing) {
  142. $extension = strtolower($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getExtension());
  143. $mimeType = $this->_getImageMimeType( $this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getPath() );
  144. } else if ($this->getParentWriter()->getDrawingHashTable()->getByIndex($i) instanceof PHPExcel_Worksheet_MemoryDrawing) {
  145. $extension = strtolower($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getMimeType());
  146. $extension = explode('/', $extension);
  147. $extension = $extension[1];
  148. $mimeType = $this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getMimeType();
  149. }
  150. if (!isset( $aMediaContentTypes[$extension]) ) {
  151. $aMediaContentTypes[$extension] = $mimeType;
  152. $this->_writeDefaultContentType(
  153. $objWriter, $extension, $mimeType
  154. );
  155. }
  156. }
  157. $sheetCount = $pPHPExcel->getSheetCount();
  158. for ($i = 0; $i < $sheetCount; ++$i) {
  159. if (count($pPHPExcel->getSheet()->getHeaderFooter()->getImages()) > 0) {
  160. foreach ($pPHPExcel->getSheet()->getHeaderFooter()->getImages() as $image) {
  161. if (!isset( $aMediaContentTypes[strtolower($image->getExtension())]) ) {
  162. $aMediaContentTypes[strtolower($image->getExtension())] = $this->_getImageMimeType( $image->getPath() );
  163. $this->_writeDefaultContentType(
  164. $objWriter, strtolower($image->getExtension()), $aMediaContentTypes[strtolower($image->getExtension())]
  165. );
  166. }
  167. }
  168. }
  169. }
  170. $objWriter->endElement();
  171. // Return
  172. return $objWriter->getData();
  173. }
  174. /**
  175. * Get image mime type
  176. *
  177. * @param string $pFile Filename
  178. * @return string Mime Type
  179. * @throws Exception
  180. */
  181. private function _getImageMimeType($pFile = '')
  182. {
  183. if (PHPExcel_Shared_File::file_exists($pFile)) {
  184. $image = getimagesize($pFile);
  185. return image_type_to_mime_type($image[2]);
  186. } else {
  187. throw new Exception("File $pFile does not exist");
  188. }
  189. }
  190. /**
  191. * Write Default content type
  192. *
  193. * @param PHPExcel_Shared_XMLWriter $objWriter XML Writer
  194. * @param string $pPartname Part name
  195. * @param string $pContentType Content type
  196. * @throws Exception
  197. */
  198. private function _writeDefaultContentType(PHPExcel_Shared_XMLWriter $objWriter = null, $pPartname = '', $pContentType = '')
  199. {
  200. if ($pPartname != '' && $pContentType != '') {
  201. // Write content type
  202. $objWriter->startElement('Default');
  203. $objWriter->writeAttribute('Extension', $pPartname);
  204. $objWriter->writeAttribute('ContentType', $pContentType);
  205. $objWriter->endElement();
  206. } else {
  207. throw new Exception("Invalid parameters passed.");
  208. }
  209. }
  210. /**
  211. * Write Override content type
  212. *
  213. * @param PHPExcel_Shared_XMLWriter $objWriter XML Writer
  214. * @param string $pPartname Part name
  215. * @param string $pContentType Content type
  216. * @throws Exception
  217. */
  218. private function _writeOverrideContentType(PHPExcel_Shared_XMLWriter $objWriter = null, $pPartname = '', $pContentType = '')
  219. {
  220. if ($pPartname != '' && $pContentType != '') {
  221. // Write content type
  222. $objWriter->startElement('Override');
  223. $objWriter->writeAttribute('PartName', $pPartname);
  224. $objWriter->writeAttribute('ContentType', $pContentType);
  225. $objWriter->endElement();
  226. } else {
  227. throw new Exception("Invalid parameters passed.");
  228. }
  229. }
  230. }