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<?php
2
/**
3
 * PHPExcel
4
 *
5
 * Copyright (c) 2006 - 2013 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 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
24
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
25
 * @version    ##VERSION##, ##DATE##
26
 */
27
 
28
 
29
/**
30
 * PHPExcel_Writer_Excel2007_Rels
31
 *
32
 * @category   PHPExcel
33
 * @package    PHPExcel_Writer_Excel2007
34
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
35
 */
36
class PHPExcel_Writer_Excel2007_Rels extends PHPExcel_Writer_Excel2007_WriterPart
37
{
38
	/**
39
	 * Write relationships to XML format
40
	 *
41
	 * @param 	PHPExcel	$pPHPExcel
42
	 * @return 	string 		XML Output
43
	 * @throws 	PHPExcel_Writer_Exception
44
	 */
45
	public function writeRelationships(PHPExcel $pPHPExcel = null)
46
	{
47
		// Create XML writer
48
		$objWriter = null;
49
		if ($this->getParentWriter()->getUseDiskCaching()) {
50
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
51
		} else {
52
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
53
		}
54
 
55
		// XML header
56
		$objWriter->startDocument('1.0','UTF-8','yes');
57
 
58
		// Relationships
59
		$objWriter->startElement('Relationships');
60
		$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
61
 
62
			$customPropertyList = $pPHPExcel->getProperties()->getCustomProperties();
63
			if (!empty($customPropertyList)) {
64
				// Relationship docProps/app.xml
65
				$this->_writeRelationship(
66
					$objWriter,
67
					4,
68
					'http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties',
69
					'docProps/custom.xml'
70
				);
71
 
72
			}
73
 
74
			// Relationship docProps/app.xml
75
			$this->_writeRelationship(
76
				$objWriter,
77
				3,
78
				'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties',
79
				'docProps/app.xml'
80
			);
81
 
82
			// Relationship docProps/core.xml
83
			$this->_writeRelationship(
84
				$objWriter,
85
				2,
86
				'http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties',
87
				'docProps/core.xml'
88
			);
89
 
90
			// Relationship xl/workbook.xml
91
			$this->_writeRelationship(
92
				$objWriter,
93
				1,
94
				'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument',
95
				'xl/workbook.xml'
96
			);
97
 
98
		$objWriter->endElement();
99
 
100
		// Return
101
		return $objWriter->getData();
102
	}
103
 
104
	/**
105
	 * Write workbook relationships to XML format
106
	 *
107
	 * @param 	PHPExcel	$pPHPExcel
108
	 * @return 	string 		XML Output
109
	 * @throws 	PHPExcel_Writer_Exception
110
	 */
111
	public function writeWorkbookRelationships(PHPExcel $pPHPExcel = null)
112
	{
113
		// Create XML writer
114
		$objWriter = null;
115
		if ($this->getParentWriter()->getUseDiskCaching()) {
116
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
117
		} else {
118
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
119
		}
120
 
121
		// XML header
122
		$objWriter->startDocument('1.0','UTF-8','yes');
123
 
124
		// Relationships
125
		$objWriter->startElement('Relationships');
126
		$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
127
 
128
			// Relationship styles.xml
129
			$this->_writeRelationship(
130
				$objWriter,
131
				1,
132
				'http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles',
133
				'styles.xml'
134
			);
135
 
136
			// Relationship theme/theme1.xml
137
			$this->_writeRelationship(
138
				$objWriter,
139
				2,
140
				'http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme',
141
				'theme/theme1.xml'
142
			);
143
 
144
			// Relationship sharedStrings.xml
145
			$this->_writeRelationship(
146
				$objWriter,
147
				3,
148
				'http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings',
149
				'sharedStrings.xml'
150
			);
151
 
152
			// Relationships with sheets
153
			$sheetCount = $pPHPExcel->getSheetCount();
154
			for ($i = 0; $i < $sheetCount; ++$i) {
155
				$this->_writeRelationship(
156
					$objWriter,
157
					($i + 1 + 3),
158
					'http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet',
159
					'worksheets/sheet' . ($i + 1) . '.xml'
160
				);
161
			}
162
 
163
		$objWriter->endElement();
164
 
165
		// Return
166
		return $objWriter->getData();
167
	}
168
 
169
	/**
170
	 * Write worksheet relationships to XML format
171
	 *
172
	 * Numbering is as follows:
173
	 * 	rId1 				- Drawings
174
	 *  rId_hyperlink_x 	- Hyperlinks
175
	 *
176
	 * @param 	PHPExcel_Worksheet	$pWorksheet
177
	 * @param 	int					$pWorksheetId
178
	 * @param	boolean				$includeCharts	Flag indicating if we should write charts
179
	 * @return 	string 				XML Output
180
	 * @throws 	PHPExcel_Writer_Exception
181
	 */
182
	public function writeWorksheetRelationships(PHPExcel_Worksheet $pWorksheet = null, $pWorksheetId = 1, $includeCharts = FALSE)
183
	{
184
		// Create XML writer
185
		$objWriter = null;
186
		if ($this->getParentWriter()->getUseDiskCaching()) {
187
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
188
		} else {
189
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
190
		}
191
 
192
		// XML header
193
		$objWriter->startDocument('1.0','UTF-8','yes');
194
 
195
		// Relationships
196
		$objWriter->startElement('Relationships');
197
		$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
198
 
199
			// Write drawing relationships?
200
			$d = 0;
201
			if ($includeCharts) {
202
				$charts = $pWorksheet->getChartCollection();
203
			} else {
204
				$charts = array();
205
			}
206
			if (($pWorksheet->getDrawingCollection()->count() > 0) ||
207
				(count($charts) > 0)) {
208
				$this->_writeRelationship(
209
					$objWriter,
210
					++$d,
211
					'http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing',
212
					'../drawings/drawing' . $pWorksheetId . '.xml'
213
				);
214
			}
215
 
216
			// Write chart relationships?
217
//			$chartCount = 0;
218
//			$charts = $pWorksheet->getChartCollection();
219
//			echo 'Chart Rels: ' , count($charts) , '<br />';
220
//			if (count($charts) > 0) {
221
//				foreach($charts as $chart) {
222
//					$this->_writeRelationship(
223
//						$objWriter,
224
//						++$d,
225
//						'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart',
226
//						'../charts/chart' . ++$chartCount . '.xml'
227
//					);
228
//				}
229
//			}
230
//
231
			// Write hyperlink relationships?
232
			$i = 1;
233
			foreach ($pWorksheet->getHyperlinkCollection() as $hyperlink) {
234
				if (!$hyperlink->isInternal()) {
235
					$this->_writeRelationship(
236
						$objWriter,
237
						'_hyperlink_' . $i,
238
						'http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink',
239
						$hyperlink->getUrl(),
240
						'External'
241
					);
242
 
243
					++$i;
244
				}
245
			}
246
 
247
			// Write comments relationship?
248
			$i = 1;
249
			if (count($pWorksheet->getComments()) > 0) {
250
				$this->_writeRelationship(
251
					$objWriter,
252
					'_comments_vml' . $i,
253
					'http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing',
254
					'../drawings/vmlDrawing' . $pWorksheetId . '.vml'
255
				);
256
 
257
				$this->_writeRelationship(
258
					$objWriter,
259
					'_comments' . $i,
260
					'http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments',
261
					'../comments' . $pWorksheetId . '.xml'
262
				);
263
			}
264
 
265
			// Write header/footer relationship?
266
			$i = 1;
267
			if (count($pWorksheet->getHeaderFooter()->getImages()) > 0) {
268
				$this->_writeRelationship(
269
					$objWriter,
270
					'_headerfooter_vml' . $i,
271
					'http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing',
272
					'../drawings/vmlDrawingHF' . $pWorksheetId . '.vml'
273
				);
274
			}
275
 
276
		$objWriter->endElement();
277
 
278
		// Return
279
		return $objWriter->getData();
280
	}
281
 
282
	/**
283
	 * Write drawing relationships to XML format
284
	 *
285
	 * @param 	PHPExcel_Worksheet	$pWorksheet
286
	 * @param	int					&$chartRef		Chart ID
287
	 * @param	boolean				$includeCharts	Flag indicating if we should write charts
288
	 * @return 	string 				XML Output
289
	 * @throws 	PHPExcel_Writer_Exception
290
	 */
291
	public function writeDrawingRelationships(PHPExcel_Worksheet $pWorksheet = null, &$chartRef, $includeCharts = FALSE)
292
	{
293
		// Create XML writer
294
		$objWriter = null;
295
		if ($this->getParentWriter()->getUseDiskCaching()) {
296
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
297
		} else {
298
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
299
		}
300
 
301
		// XML header
302
		$objWriter->startDocument('1.0','UTF-8','yes');
303
 
304
		// Relationships
305
		$objWriter->startElement('Relationships');
306
		$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
307
 
308
			// Loop through images and write relationships
309
			$i = 1;
310
			$iterator = $pWorksheet->getDrawingCollection()->getIterator();
311
			while ($iterator->valid()) {
312
				if ($iterator->current() instanceof PHPExcel_Worksheet_Drawing
313
					|| $iterator->current() instanceof PHPExcel_Worksheet_MemoryDrawing) {
314
					// Write relationship for image drawing
315
					$this->_writeRelationship(
316
						$objWriter,
317
						$i,
318
						'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
319
						'../media/' . str_replace(' ', '', $iterator->current()->getIndexedFilename())
320
					);
321
				}
322
 
323
				$iterator->next();
324
				++$i;
325
			}
326
 
327
			if ($includeCharts) {
328
				// Loop through charts and write relationships
329
				$chartCount = $pWorksheet->getChartCount();
330
				if ($chartCount > 0) {
331
					for ($c = 0; $c < $chartCount; ++$c) {
332
						$this->_writeRelationship(
333
							$objWriter,
334
							$i++,
335
							'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart',
336
							'../charts/chart' . ++$chartRef . '.xml'
337
						);
338
					}
339
				}
340
			}
341
 
342
		$objWriter->endElement();
343
 
344
		// Return
345
		return $objWriter->getData();
346
	}
347
 
348
	/**
349
	 * Write header/footer drawing relationships to XML format
350
	 *
351
	 * @param 	PHPExcel_Worksheet			$pWorksheet
352
	 * @return 	string 						XML Output
353
	 * @throws 	PHPExcel_Writer_Exception
354
	 */
355
	public function writeHeaderFooterDrawingRelationships(PHPExcel_Worksheet $pWorksheet = null)
356
	{
357
		// Create XML writer
358
		$objWriter = null;
359
		if ($this->getParentWriter()->getUseDiskCaching()) {
360
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
361
		} else {
362
			$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
363
		}
364
 
365
		// XML header
366
		$objWriter->startDocument('1.0','UTF-8','yes');
367
 
368
		// Relationships
369
		$objWriter->startElement('Relationships');
370
		$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
371
 
372
			// Loop through images and write relationships
373
			foreach ($pWorksheet->getHeaderFooter()->getImages() as $key => $value) {
374
				// Write relationship for image drawing
375
				$this->_writeRelationship(
376
					$objWriter,
377
					$key,
378
					'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
379
					'../media/' . $value->getIndexedFilename()
380
				);
381
			}
382
 
383
		$objWriter->endElement();
384
 
385
		// Return
386
		return $objWriter->getData();
387
	}
388
 
389
	/**
390
	 * Write Override content type
391
	 *
392
	 * @param 	PHPExcel_Shared_XMLWriter 	$objWriter 		XML Writer
393
	 * @param 	int							$pId			Relationship ID. rId will be prepended!
394
	 * @param 	string						$pType			Relationship type
395
	 * @param 	string 						$pTarget		Relationship target
396
	 * @param 	string 						$pTargetMode	Relationship target mode
397
	 * @throws 	PHPExcel_Writer_Exception
398
	 */
399
	private function _writeRelationship(PHPExcel_Shared_XMLWriter $objWriter = null, $pId = 1, $pType = '', $pTarget = '', $pTargetMode = '')
400
	{
401
		if ($pType != '' && $pTarget != '') {
402
			// Write relationship
403
			$objWriter->startElement('Relationship');
404
			$objWriter->writeAttribute('Id', 		'rId' . $pId);
405
			$objWriter->writeAttribute('Type', 		$pType);
406
			$objWriter->writeAttribute('Target',	$pTarget);
407
 
408
			if ($pTargetMode != '') {
409
				$objWriter->writeAttribute('TargetMode',	$pTargetMode);
410
			}
411
 
412
			$objWriter->endElement();
413
		} else {
414
			throw new PHPExcel_Writer_Exception("Invalid parameters passed.");
415
		}
416
	}
417
}