Project

General

Profile

Download (76.6 KB) Statistics
| Branch: | Tag: | Revision:
1
<?php
2
/**
3
 * @file
4
 * Module to provide a CDM Dataportal.
5
 *
6
 * @copyright
7
 *   (C) 2007-2012 EDIT
8
 *   European Distributed Institute of Taxonomy
9
 *   http://www.e-taxonomy.eu
10
 *
11
 *   The contents of this module are subject to the Mozilla
12
 *   Public License Version 1.1.
13
 * @see http://www.mozilla.org/MPL/MPL-1.1.html
14
 *
15
 * @author
16
 *   - Andreas Kohlbecker <a.kohlbecker@BGBM.org>
17
 *   - Wouter Addink <w.addink@eti.uva.nl> (migration from Drupal 5 to Drupal7)
18
 */
19

    
20
  module_load_include('php', 'cdm_dataportal', 'node_types');
21
  module_load_include('php', 'cdm_dataportal', 'settings');
22
  module_load_include('php', 'cdm_dataportal', 'help');
23
  module_load_include('php', 'cdm_dataportal', 'cdm_dataportal.search');
24

    
25
  module_load_include('inc', 'cdm_dataportal', 'includes/common');
26
  module_load_include('inc', 'cdm_dataportal', 'includes/name');
27
  module_load_include('inc', 'cdm_dataportal', 'includes/taxon');
28
  module_load_include('inc', 'cdm_dataportal', 'includes/references');
29
  module_load_include('inc', 'cdm_dataportal', 'includes/pages');
30
  module_load_include('inc', 'cdm_dataportal', 'includes/media');
31
  module_load_include('inc', 'cdm_dataportal', 'includes/maps');
32
  module_load_include('inc', 'cdm_dataportal', 'includes/occurrences');
33
  module_load_include('inc', 'cdm_dataportal', 'includes/descriptions');
34
  module_load_include('inc', 'cdm_dataportal', 'includes/pre-drupal8');
35

    
36
  module_load_include('inc', 'cdm_dataportal', 'theme/theme_registry');
37
  module_load_include('theme', 'cdm_dataportal', 'theme/cdm_dataportal.common');
38
  module_load_include('theme', 'cdm_dataportal', 'theme/cdm_dataportal.descriptions');
39
  module_load_include('theme', 'cdm_dataportal', 'theme/cdm_dataportal.media');
40
  module_load_include('theme', 'cdm_dataportal', 'theme/cdm_dataportal.occurrence');
41
  module_load_include('theme', 'cdm_dataportal', 'theme/cdm_dataportal.page');
42
  module_load_include('theme', 'cdm_dataportal', 'theme/cdm_dataportal.taxon');
43
  module_load_include('theme', 'cdm_dataportal', 'theme/cdm_dataportal.name');
44
  module_load_include('theme', 'cdm_dataportal', 'theme/cdm_dataportal.references');
45

    
46
  module_load_include('php', 'cdm_dataportal', 'classes/footnotemanager');
47
  module_load_include('php', 'cdm_dataportal', 'classes/footnote');
48
  module_load_include('php', 'cdm_dataportal', 'classes/footnotekey');
49
  module_load_include('php', 'cdm_dataportal', 'classes/renderhints');
50

    
51

    
52
  /* ============================ java script functions ============================= */
53

    
54

    
55
  /**
56
  * loads external java script files asynchronously.
57
  *
58
  * @param unknown_type $script_url
59
  */
60
  function drupal_add_js_async($script_url, $callback){
61

    
62
    drupal_add_js("
63
          jQuery(document).ready(function() {
64
            jQuery.ajax({
65
              url: '" . $script_url . "',
66
              dataType: 'script',
67
              cache: true, // otherwise will get fresh copy every page load
68
              success: function() {
69
                    " . $callback . "
70
              }
71
            });
72
          });"
73
    , 'inline');
74
  }
75

    
76
  /**
77
   */
78
  function drupal_add_js_rowToggle($tableId){
79

    
80
      drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/table_modification.js');
81
      drupal_add_js('jQuery(document).ready(function(){
82
          addRowToggle("' . $tableId . '");
83
      });
84
      ', array('type' => 'inline'));
85
  }
86

    
87
  /**
88
   * @param unknown_type $link_element_selector
89
   * @param unknown_type $progress_element_selector
90
   */
91
  function _add_js_cdm_ws_progressbar($link_element_selector, $progress_element_selector){
92

    
93
    $callback = "jQuery('" . $link_element_selector . "').cdm_ws_progress('" . $progress_element_selector . "');";
94

    
95
    drupal_add_js_async(variable_get('cdm_webservice_url', '').'js/cdm_ws_progress.js', $callback);
96

    
97
    //   drupal_add_js("
98
    //   	  if (Drupal.jsEnabled) {
99
    //         $(document).ready(function() {
100
    //       		$('" . $link_element_selector . "').cdm_ws_progress('" . $progress_element_selector . "');
101
    //         });
102
    //       }", 'inline');
103
    }
104

    
105
  /**
106
   * @todo Please document this function.
107
   * @see http://drupal.org/node/1354
108
   */
109
  function _add_js_treeselector() {
110
    // drupal_add_js(drupal_get_path('module', 'cdm_dataportal').'/js/treeselector.js');
111
    drupal_add_js("
112
        jQuery(document).ready(function() {
113
           jQuery('#cdm-taxonomictree-selector-form #edit-val').change(function () {
114
                jQuery('#cdm-taxonomictree-selector-form').submit();
115
            });
116

    
117
        });
118
      ",
119
      array(
120
        'type' => 'inline',
121
        'scope' => 'footer'
122
      )
123
    );
124
  }
125

    
126
  function _add_js_openlayers() {
127

    
128
    $openlayers = '/js/map/OpenLayers-2.13.1/OpenLayers.js';
129
    $proj4js = '/js/map/proj4js-1.1.0/proj4js-compressed.js';
130

    
131
    if(variable_get('cdm_js_devel_mode', FALSE)){
132
      // develooper mode libs
133
  //     $openlayers = '/js/map/OpenLayers-2.13.1/lib/OpenLayers.js';
134
      $openlayers = '/js/map/OpenLayers-2.13.1/OpenLayers.debug.js';
135
      $proj4js = '/js/map/proj4js-1.1.0/proj4js-combined.js';
136
    }
137

    
138
    drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . $openlayers,
139
      array(
140
        'type' => 'file',
141
        'weight' => JS_LIBRARY,
142
        'cache' => TRUE,
143
        'preprocess' => FALSE
144
      )
145
    );
146

    
147
    // see https://github.com/proj4js/proj4js
148
    // http://openlayers.org/dev/examples/using-proj4js.html
149
    drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . $proj4js,
150
      array(
151
        'type' => 'file',
152
        'weight' => JS_LIBRARY,
153
        'cache' => TRUE,
154
      )
155
    );
156

    
157
    // configure the theme
158
    $openlayers_theme_path = drupal_get_path('module', 'cdm_dataportal') . '/js/map/OpenLayers-2.13.1/theme/default/';
159
    $openlayers_imp_path = drupal_get_path('module', 'cdm_dataportal') . '/js/map/img/dark/';
160
    drupal_add_js('OpenLayers.ImgPath="' . base_path() . $openlayers_imp_path . '";', array(
161
        'type' => 'inline',
162
        'weight' => JS_LIBRARY,
163
        'cache' => TRUE,
164
        'preprocess' => FALSE
165
      ));
166

    
167
    drupal_add_css($openlayers_theme_path . 'style.tidy.css',
168
      array(
169
        'type' => 'file',
170
        'cache' => TRUE,
171
        'preprocess' => FALSE
172
      )
173
    );
174

    
175
  }
176

    
177
  /**
178
   * @todo Please document this function.
179
   * @see http://drupal.org/node/1354
180
   */
181
  function _add_js_thickbox() {
182
    // ---- jQuery thickbox:
183
    /*
184
    * bug: compat-1.0.js && thickbox.js line 237 .trigger("unload") -> event is
185
    * not triggered because of problems with compat-1.0.js' see INSTALL.txt
186
    */
187
    // drupal_add_js(drupal_get_path('module',
188
    // 'cdm_dataportal').'/js/jquery.imagetool.min.js');
189
    //
190
    // Add a setting for the path to cdm_dataportal module, used to find the path
191
    // for the loading animation image in thickbox.
192
    drupal_add_js(array(
193
    'cdm_dataportal' => array(
194
    'cdm_dataportal_path' => base_path() . drupal_get_path('module', 'cdm_dataportal'),
195
    )
196
    ),
197
    'setting'
198
        );
199
        drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/thickbox/thickbox.js');
200
        drupal_add_css(drupal_get_path('module', 'cdm_dataportal') . '/js/thickbox/cdm_thickbox.css');
201
  }
202

    
203
  /**
204
   * @todo Please document this function.
205
   * @see http://drupal.org/node/1354
206
   */
207
  function _add_js_lightbox($galleryID) {
208
    /*
209
     * Important Notice: The jquery.lightbox-0.5.js has been modified in order to
210
    * allow using the "alt" attribute for captions instead of the "title"
211
    * attribute
212
    */
213
    $lightbox_base_path =  drupal_get_path('module', 'cdm_dataportal') . '/js/jquery-lightbox-0.5';
214
    $lightbox_image_path = base_path() . $lightbox_base_path . '/images/';
215
    drupal_add_js($lightbox_base_path . '/js/jquery.lightbox-0.5.js');
216
    drupal_add_css($lightbox_base_path . '/css/jquery.lightbox-0.5.css');
217
    drupal_add_js('jQuery(document).ready(function() {
218
        jQuery(\'#' . $galleryID . ' a.lightbox\').lightBox({
219
          fixedNavigation:  true,
220
          imageLoading:     \'' . $lightbox_image_path . 'lightbox-ico-loading.gif\',
221
          imageBtnPrev:     \'' . $lightbox_image_path . 'lightbox-btn-prev.gif\',
222
          imageBtnNext:     \'' . $lightbox_image_path . 'lightbox-btn-next.gif\',
223
          imageBtnClose:    \'' . $lightbox_image_path . 'lightbox-btn-close.gif\',
224
          imageBlank:       \'' . $lightbox_image_path . 'lightbox-blank.gif\',
225
          adjustToWindow: true
226
        });
227
      });
228
      ', array('type' => 'inline'));
229
  }
230

    
231
  /**
232
   * @todo Please document this function.
233
   * @see http://drupal.org/node/1354
234
   */
235
  function _add_js_footnotes() {
236
    _add_js_domEvent();
237
    drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/footnotes.js');
238
  }
239

    
240
  /**
241
   * @todo Please document this function.
242
   * @see http://drupal.org/node/1354
243
   */
244
  function _add_js_cluetip() {
245

    
246
    // TODO replace by
247
    // @see http://www.socialembedded.com/labs/jQuery-Tooltip-Plugin/jQuery-Tooltip-Plugin.html
248
    drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/cluetip/jquery.cluetip.min.js');
249
    drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/jquery.dimensions.js');
250
    drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/cluetip/jquery.hoverIntent.js');
251
    if(variable_get('cdm_js_devel_mode', FALSE)){
252
      drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/cluetip/jquery.cluetip.js');
253
    }
254
    drupal_add_css(drupal_get_path('module', 'cdm_dataportal') . '/js/cluetip/jquery.cluetip.css');
255
    drupal_add_js("jQuery(document).ready(function(){
256
        jQuery('.cluetip').css({color: '#0062C2'}).cluetip({
257
          splitTitle: '|',
258
          showTitle: true,
259
          activation: 'hover',
260
          sicky: true,
261
          arrows: true,
262
          dropShadow: false,
263
          cluetipClass: 'rounded'
264
        });
265
      });",
266
      array(
267
        'type' => 'inline',
268
        'scope' => 'footer'
269
      )
270
    );
271
  }
272

    
273
  /**
274
   * @todo Please document this function.
275
   * @see http://drupal.org/node/1354
276
   */
277
  function _add_js_ahah() {
278

    
279
    _add_js_domEvent(); // requires domEvent.js
280
    drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/ahah-content.js');
281
  }
282

    
283
/**
284
 * @todo Please document this function.
285
 * @see http://drupal.org/node/1354
286
 */
287
function _add_js_taxonomic_children($jquery_selector) {
288
  drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/taxonomic_children.js');
289

    
290
  drupal_add_js('jQuery(document).ready(function() {
291
        jQuery(\'' . $jquery_selector . '\').taxonomic_children();
292
      });
293
      ', array('type' => 'inline'));
294
}
295

    
296
  /**
297
   * Adds the external javascript file for domEvent.js.
298
   *
299
   * @see drupal_add_js()
300
   */
301
  function _add_js_domEvent() {
302
    drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/domEvent.js');
303
  }
304

    
305
  function _add_jquery_ui()
306
  {
307
    drupal_add_css(drupal_get_path('module',
308
        'cdm_dataportal') . '/js/jquery-ui-1.8.24/themes/base/jquery.ui.all.css');
309
    drupal_add_js(drupal_get_path('module',
310
        'cdm_dataportal') . '/js/jquery-ui-1.8.24/ui/jquery-ui.js',
311
      array(
312
        'type' => 'file',
313
        'weight' => JS_LIBRARY,
314
        'cache' => TRUE,
315
        'preprocess' => FALSE
316
      )
317
    );
318
  }
319

    
320
  /**
321
   * Provides the markup for an font awesome icon.
322
   *
323
   * The icons is created in default size without any extra features.
324
   *
325
   * The available icons are listed here http://fontawesome.io/cheatsheet/
326
   * fontawesome icons have much more features than implemented here in this function,
327
   * for spinning icons, fixed width icons, rotation, etc please checkout the
328
   * examples at http://fontawesome.io/examples/
329
   *
330
   * @parameter $icon_name
331
   *  The name of the icon which starts with 'fa-'
332
   *
333
   * @return String
334
   *    the markup for the icon in an <i> tag
335
   *
336
   */
337
  function font_awesome_icon_markup($icon_name = NULL, $attributes = array()){
338

    
339

    
340
    //<link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet">
341

    
342
    $font_awesome_css_uri=drupal_get_path('module', 'cdm_dataportal').'/font-awesome/4.5.0/css/font-awesome.min.css';
343
    $font_awesome_css_uri="//maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css";
344

    
345
    drupal_add_html_head_link(
346
      array(
347
        'href' => $font_awesome_css_uri,
348
        'rel' => 'stylesheet'
349
      )
350
    );
351

    
352
    if($icon_name){
353
      if(!isset($attributes['class'])){
354
        $attributes['class'] = array();
355
      }
356
      $attributes['class'][] = 'fa';
357
      $attributes['class'][] = $icon_name;
358

    
359
      return '<i ' . drupal_attributes($attributes) . '></i>';
360
    }
361

    
362
    return '';
363
  }
364

    
365

    
366
  /* ====================== hook implementations ====================== */
367
  /**
368
   * Implements hook_permission().
369
   *
370
   * Valid permissions for this module.
371
   *
372
   * @return array
373
   *   An array of valid permissions for the portfolio module.
374
   */
375
  function cdm_dataportal_permission() {
376
    return array(
377
      'administer cdm_dataportal' => array(
378
        'title' => t('administer cdm_dataportal'),
379
        'description' => t("TODO Add a description for 'administer cdm_dataportal'"),
380
      ),
381
      'cdm_dataportal view notes' => array(
382
        'title' => t('cdm_dataportal view notes'),
383
        'description' => t("TODO Add a description for 'cdm_dataportal view notes'"),
384
      ),
385
      // TODO Which other permissions are required?
386
      // -> check the WP6 requirements document.
387
    );
388
  }
389

    
390
/**
391
 * Implements hook_menu().
392
 */
393
function cdm_dataportal_menu() {
394
  $items = array();
395

    
396
  // @see settings.php.
397
  cdm_dataportal_menu_admin($items);
398
  cdm_dataportal_menu_help($items);
399

    
400
  $items['cdm_dataportal/names'] = array(
401
    'page callback' => 'cdm_dataportal_view_names',
402
    'access arguments' => array('access content'),
403
    'type' => MENU_CALLBACK,
404
  );
405

    
406
  // Optional callback arguments: page.
407
  $items['cdm_dataportal/taxon'] = array(
408
    'page callback' => 'cdm_dataportal_taxon_page_view',
409
    'access arguments' => array('access content'),
410
    'type' => MENU_CALLBACK,
411
    // Expected callback arguments: uuid.
412
  );
413

    
414
   // Optional callback arguments: page.
415
    //FIXME point to view/page method in this module
416
    $items['cdm_dataportal/specimen'] = array(
417
        'page callback' => 'cdm_dataportal_specimen_page_view',
418
        'access arguments' => array('access content'),
419
        'type' => MENU_CALLBACK,
420
        // Expected callback arguments: uuid.
421
    );
422

    
423
  $items['cdm_dataportal/name'] = array(
424
    'page callback' => 'cdm_dataportal_name_page_view',
425
      /*
426
    'page arguments' => array(
427
       'taxon_name_uuid',
428
       'taxon_to_hide_uuid',
429
       'synonym_uuid' => NULL
430
      ),
431
      */
432
    'access arguments' => array('access content'),
433
    'type' => MENU_CALLBACK,
434
    // Expected callback arguments: uuid.
435
  );
436

    
437
  $items['cdm_dataportal/reference'] = array(
438
    'page callback' => 'cdm_dataportal_view_reference',
439
    'access arguments' => array('access content'),
440
    'type' => MENU_CALLBACK,
441
    // Expected callback arguments: uuid.
442
  );
443

    
444
  $items['cdm_dataportal/reference/list'] = array(
445
    'page callback' => 'cdm_dataportal_view_reference_list',
446
    'access arguments' => array('access content'),
447
    'type' => MENU_CALLBACK,
448
    // Expected callback arguments: uuid.
449
  );
450

    
451
  $items['cdm_dataportal/media'] = array(
452
    'page callback' => 'cdm_dataportal_view_media',
453
    'access arguments' => array('access content'),
454
    'type' => MENU_CALLBACK,
455
    // Expected callback arguments:
456
    // uuid, mediarepresentation_uuid, part_uuid or part#.
457
  );
458

    
459
  $items['cdm_dataportal/polytomousKey'] = array(
460
    'page callback' => 'cdm_dataportal_view_polytomousKey',
461
    'access arguments' => array('access content'),
462
    'type' => MENU_CALLBACK,
463
    // Expected callback arguments: polytomousKey->uuid.
464
  );
465

    
466
  $items['cdm_dataportal/search'] = array(
467
    'page callback' => 'cdm_dataportal_view_search_advanced',
468
    'access arguments' => array('access content'),
469
    'type' => MENU_CALLBACK,
470
  );
471

    
472
  $items['cdm_dataportal/search/advanced'] = array(
473
    'title' => 'Advanced', // will be passed through t()
474
    'page callback' => 'cdm_dataportal_view_search_advanced',
475
    'access arguments' => array('access content'),
476
    'type' => MENU_DEFAULT_LOCAL_TASK,
477
  );
478

    
479
  $items['cdm_dataportal/search/taxon_by_description'] = array(
480
    'title' => 'By factual data', // will be passed through t()
481
    'page callback' => 'cdm_dataportal_view_search_taxon_by_description',
482
    'access arguments' => array('access content'),
483
    'type' => MENU_LOCAL_TASK,
484
  );
485

    
486
  $items['cdm_dataportal/search/results/taxon'] = array(
487
    'page callback' => 'cdm_dataportal_view_search_results_taxon',
488
    'access arguments' => array('access content'),
489
    'type' => MENU_CALLBACK,
490
  );
491
  /*
492
   $items['cdm/xml2json'] = array(
493
   'page callback' => 'cdm_view_xml2json',
494
   'access arguments' => array('access content'),
495
   'type' => MENU_CALLBACK,
496
   );
497
   */
498

    
499
  // if (arg(0)=='user' && ($uid=arg(1)) && is_numeric($uid)) {
500
  // User configuration of cdm_dataportal.
501
  $items['user/%/cdm_dataportal'] = array(
502
    'title' => 'cdm_dataportal',
503
    'access arguments' => array('access content'),
504
    'page callback' => 'drupal_get_form',
505
    'page arguments' => array('cdm_dataportal_user_form'),
506
    'type' => MENU_LOCAL_TASK,
507
    'weight' => 10,
508
  );
509
  // }
510

    
511
  // 'May not cache' in D5.
512
  $items['cdm_dataportal/name/%'] = array(
513
    // 'page callback' => 'cdm_dataportal_view_name',
514
    'page callback' => 'cdm_dataportal_name_page_view',
515
    'page arguments' => array(2, 3, 4),
516
    'access arguments' => array('access content'),
517
    'type' => MENU_CALLBACK,
518
  );
519

    
520
  // --- Local tasks for Taxon.
521
  // --- tabbed taxon page
522
  if (variable_get('cdm_dataportal_taxonpage_tabs', 1)) {
523
    $items['cdm_dataportal/taxon/%'] = array(
524
      'title' => theme('cdm_taxonpage_tab', array('tabname' => 'General')),
525
      'page callback' => 'cdm_dataportal_taxon_page_view',
526
      'access arguments' => array('access content'),
527
      'type' => MENU_CALLBACK,
528
      'weight' => 1,
529
      'page arguments' => array(2, "description")
530
      , // Expected callback arguments: taxon_uuid.
531
    );
532

    
533
    $items['cdm_dataportal/taxon/%/all'] = array(
534
      'title' => theme('cdm_taxonpage_tab', array('tabname' => 'General')),
535
      'page callback' => 'cdm_dataportal_taxon_page_view',
536
      'access arguments' => array('access content'),
537
      'type' => MENU_CALLBACK,
538
      'weight' => 2,
539
      'page arguments' => array(2, "all")
540
      , // Expected callback arguments: taxon_uuid.
541
    );
542

    
543
    $items['cdm_dataportal/taxon/%/description'] = array(
544
      'title' => theme('cdm_taxonpage_tab', array('tabname' => 'General')),
545
      'page callback' => 'cdm_dataportal_taxon_page_view',
546
      'access arguments' => array('access content'),
547
      'type' => MENU_DEFAULT_LOCAL_TASK,
548
      'weight' => 2,
549
      'page arguments' => array(2, "description")
550
      , // Expected callback arguments: taxon_uuid.
551
    );
552

    
553
    $items['cdm_dataportal/taxon/%/synonymy'] = array(
554
      'title' => theme('cdm_taxonpage_tab', array('tabname' => 'Synonymy')),
555
      'page callback' => 'cdm_dataportal_taxon_page_view',
556
      'access arguments' => array('access content'),
557
      'type' => MENU_LOCAL_TASK,
558
      'weight' => 4,
559
      'page arguments' => array(2, "synonymy", 4)
560
      , // Expected callback arguments: taxon_uuid and ...
561
    );
562
    $items['cdm_dataportal/taxon/%/images'] = array(
563
      'title' => theme('cdm_taxonpage_tab', array('tabname' => 'Images')),
564
      'page callback' => 'cdm_dataportal_taxon_page_view',
565
      'access arguments' => array('access content'),
566
      'type' => MENU_LOCAL_TASK,
567
      'weight' => 5,
568
      'page arguments' => array(2, "images")
569
      , // Expected callback arguments: taxon_uuid.
570
    );
571

    
572
    $items['cdm_dataportal/taxon/%/specimens'] = array(
573
      'title' => theme('cdm_taxonpage_tab', array('tabname' => 'Specimens')),
574
      'page callback' => 'cdm_dataportal_taxon_page_view',
575
      'access arguments' => array('access content'),
576
      'type' => MENU_LOCAL_TASK,
577
      'weight' => 6,
578
      'page arguments' => array(2, "specimens")
579
      , // Expected callback arguments: taxon_uuid.
580
    );
581

    
582
    $items['cdm_dataportal/taxon/%/keys'] = array(
583
      'title' => theme('cdm_taxonpage_tab', array('tabname' => 'Keys')),
584
      'page callback' => 'cdm_dataportal_taxon_page_view',
585
      'access arguments' => array('access content'),
586
      'type' => MENU_LOCAL_TASK,
587
      'weight' => 6,
588
      'page arguments' => array(2, "keys")
589
      , // Expected callback arguments: taxon_uuid.
590
    );
591

    
592
    $items['cdm_dataportal/taxon/%/experts'] = array(
593
        'title' => theme('cdm_taxonpage_tab', array('tabname' => 'Experts')),
594
        'page callback' => 'cdm_dataportal_taxon_page_view',
595
        'access arguments' => array('access content'),
596
        'type' => MENU_LOCAL_TASK,
597
        'weight' => 6,
598
        'page arguments' => array(2, "experts")
599
    , // Expected callback arguments: taxon_uuid.
600
    );
601
  }
602

    
603
  // --- refresh link for all cdmnode types
604
  foreach (cdm_get_nodetypes() as $type=>$name) {
605
    $items['cdm_dataportal/' . $name . '/%/refresh'] = array(
606
        'title' => t('Refresh'),
607
        'page callback' => 'cdm_dataportal_refresh_node',
608
        'access arguments' => array('administer cdm_dataportal'),
609
        'type' => MENU_LOCAL_TASK,
610
        'weight' => 100,
611
        'page arguments' => array($name, 2)
612
    );
613
  }
614

    
615
  return $items;
616
}
617

    
618
/**
619
 * Implements hook_init().
620
 *
621
 */
622
function cdm_dataportal_init() {
623
  //FIXME To add CSS or JS that should be present on all pages, modules
624
  //      should not implement this hook, but declare these files in their .info file.
625
  drupal_add_css(drupal_get_path('module', 'cdm_dataportal') . '/cdm_dataportal.css');
626
  // drupal_add_css(drupal_get_path('module', 'cdm_dataportal').'/cdm_dataportal_print.css', 'print');
627
  drupal_add_css(drupal_get_path('module', 'cdm_dataportal') . '/cdm_dataportal_screen.css', array('type' => 'screen'));
628

    
629
  if(variable_get('cdm_debug_mode', FALSE)){
630
    $file = 'temporary://drupal_debug.txt';
631
    file_put_contents($file, 'CDM DEBUG LOG for ' . $_GET['q']. "\n"); // will overwrite the file
632
  }
633

    
634
  $bibliography_settings = get_bibliography_settings();
635
  $enclosing_tag = $bibliography_settings['enabled'] == 1 ? 'div' : 'span';
636
  FootnoteManager::registerFootnoteSet('BIBLIOGRAPHY', $enclosing_tag, $bibliography_settings['key_format']);
637
}
638

    
639
function cdm_dataportal_refresh_node($cdm_node_name, $uuid, $parameters = array()){
640

    
641
  $base_path = 'cdm_dataportal/' . $cdm_node_name . '/' . $uuid;
642

    
643
  if($cdm_node_name == 'taxon' && variable_get('cdm_dataportal_taxonpage_tabs', 1)){
644
    // force reloading of all and notify user about this special loading
645
    drupal_set_message(t('The level 2 cache has been cleared for all tabs of this taxon page at once, please click here to return to the tabbed page: ')
646
        . l('Back to tabbed taxon page', $base_path));
647
    $base_path .= '/all';
648
  } else {
649
    drupal_set_message(t('The level 2 cache has been cleared for this page'));
650
  }
651

    
652
  $parameters['cacheL2_refresh'] ='1';
653

    
654

    
655
  drupal_goto($base_path, array('query' => $parameters));
656
}
657

    
658
/**
659
 * The function generate form for own user cdm dataportal configurations.
660
 */
661
function cdm_dataportal_user_form($form, &$form_state) {
662

    
663
  global $user;
664
  $checkbox_value = 'cdm_dataportal_' . $user->uid . '_default_tab_active';
665

    
666
  $form['taxon_page_tabs'] = array(
667
      '#type' => 'fieldset',
668
      '#tree' => true,
669
      '#title' => t('Taxon page tabs'),
670
  );
671

    
672
  $form['taxon_page_tabs']['user_defined'] = array(
673
    '#type' => 'checkbox',
674
    '#title' => t('Activate user default configuration'),
675
    '#default_value' => variable_get($checkbox_value, 0),
676
    '#description' => t('Check this if you want configure your own default tab from the below menu.'),
677
  );
678

    
679
  $form['taxon_page_tabs']['default_tab'] = array(
680
    '#type' => 'select',
681
    '#title' => t('Default tab to display'),
682
    '#default_value' => get_default_taxon_tab(TRUE),
683
    '#options' => unserialize(CDM_DATAPORTAL_DEFAULT_TAXON_TAB),
684
    '#description' => t('<p>Select the default tab to display when visiting a taxon page. Only available if Tabbed Taxon Page is enable.</p>
685
              <strong>Note:</strong> After performing a search and clicking in any synonym, the taxon tab
686
              to be rendered will be the synonymy of the accepted taxon and not the above selected tab.'),
687
  );
688

    
689

    
690
  if(false){
691
    $form['developer_options'] = array(
692
        '#type' => 'fieldset',
693
        '#tree' => true,
694
        '#title' => t('Developer options'),
695
    );
696

    
697
    $form['developer_options']['show_render_path'] = array(
698
      '#type' => 'checkbox',
699
      '#title' => t('Display the render path for each taxon name.'),
700
      '#default_value' => variable_get($checkbox_value, 0),
701
      '#description' => t('This option is very helpful if you are editing the !link for taxon names.',
702
        array(
703
            '!link' => l(
704
              'render template', 'admin/config/cdm_dataportal/settings/layout', array('fragment' => 'edit-cdm-name-render-templates'))
705
            )
706
        ),
707
    );
708
  }
709

    
710
  $form['submit'] = array(
711
    '#type' => 'submit',
712
    '#value' => t('Submit'),
713
  );
714

    
715
  return $form;
716
}
717

    
718
/**
719
 * Form submission handler for user_form().
720
 *
721
 * Submits the user cdm dataportal configurations.
722
 */
723
function cdm_dataportal_user_form_submit($form, &$form_state) {
724
  global $user;
725
  $msg_type = 'status';
726
  $username = $user->name;
727
  $variable_to_use = 'cdm_dataportal_' . $user->uid . '_default_tab';
728

    
729
  // FIXME: this is completely wrong, see user_profile_form_submit()
730

    
731
  // it is only possible to change own user settings
732
  if (arg(0) == 'user' && is_numeric(arg(1)) && $user->uid == arg(1)) {
733

    
734
    // DEFAULT_TAXON_TAB
735
    $variable = unserialize(CDM_DATAPORTAL_DEFAULT_TAXON_TAB);
736
    variable_set($variable_to_use . '_active', $form_state['values']['taxon_page_tabs']['user_defined']);
737
    variable_set($variable_to_use, $form_state['values']['taxon_page_tabs']['default_tab']);
738
    if ($form_state['values']['taxon_page_tabs']['user_defined']) {
739
      drupal_set_message(check_plain(t('The user default tab will be used for the next taxon site visit.')));
740
      drupal_set_message(check_plain(t('The user default tab has been changed to: !tab for the user !user', array(
741
        '!tab' => $variable[variable_get($variable_to_use, 0)],
742
        '!user' => $username,
743
      ))), $msg_type);
744
    }
745
    else {
746
      drupal_set_message(check_plain(t('The user default tab wont be used for
747
        the next taxon site, check the box if you want to use the user default configuration.')));
748
    }
749

    
750
  }
751
  else {
752
    // Problem with the user id => variables wont be saved.
753
    $msg_type = 'warning';
754
    drupal_set_message(check_plain(t('Default tab has not been saved due to user id problems')), $msg_type);
755
  }
756
}
757

    
758
/**
759
 * Implements hook_block_info().
760
 */
761
function cdm_dataportal_block_info() {
762

    
763
    // $block[0]["info"] = t("CDM DataPortal DevLinks");
764
    // $block[1]["info"] = t("CDM DataPortal Credits");
765
    $block["2"] = array(
766
        "info" => t("CDM Search Taxa"),
767
        "cache" => DRUPAL_NO_CACHE
768
      );
769
    // $block[3]["info"] = t("CDM Filters");
770
    $block["4"]["info"] = t("CDM Dataportal Print");
771
    $block["keys"]["info"] = t("CDM identification keys");
772
    $block["fundedByEDIT"]["info"] = t('Funded by EDIT');
773
    $block["classification_breadcrumbs"] =  array(
774
        'info' => t('Classification breadcrumbs'),
775
        'cache' => DRUPAL_CACHE_PER_PAGE
776
      );
777

    
778
    return $block;
779
}
780

    
781
/**
782
 * Implements hook_block_view().
783
 */
784
function cdm_dataportal_block_view($delta) {
785
  // TODO Rename block deltas (e.g. '2') to readable strings.
786
  switch ($delta) {
787
    // case 'delta-1':
788
    // $block['subject'] = t('Credits');
789
    // $block['content'] = theme('cdm_credits');
790
    // return $block;
791
    case '2':
792
      $block['subject'] = t('Search taxa');
793
      $form = drupal_get_form('cdm_dataportal_search_taxon_form');
794
      $block['content'] = drupal_render($form);
795

    
796
      if (variable_get('cdm_dataportal_show_advanced_search', 1)) {
797
        $block['content'] .= '<div>' . l(t('Advanced Search'), 'cdm_dataportal/search') . '</div>';
798
      }
799
      return $block;
800
    case '4':
801
      $block['subject'] = '';
802
      $block['content'] = theme('cdm_print_button');
803
      return $block;
804
    case "keys":
805
      $block['subject'] = t('Identification Keys');
806
      $block['content'] = theme('cdm_block_IdentificationKeys', array('taxonUuid' => NULL));
807
      return $block;
808
    case "fundedByEDIT":
809
      // t('Funded by EDIT');
810
      $text = '<none>';
811
      $block['subject'] = $text;
812
      $img_tag = '<img src="' . base_path() . drupal_get_path('module', 'cdm_dataportal') . '/images/powered_by_edit.png' . '" alt="' . $text . '"/>';
813
      $block['content'] = l($img_tag, "http://cybertaxonomy.org/", array(
814
        'attributes' => array("target" => "EDIT"),
815
        'absolute' => TRUE,
816
        'html' => TRUE,
817
      ));
818
      return $block;
819
    case 'classification_breadcrumbs':
820
      if (arg(1) == 'taxon' && is_uuid(arg(2))) {
821
        $block['subject'] = '<none>';
822
        $block['content'] = compose_classification_breadcrumbs(arg(2));
823
        return $block;
824
      }
825
      break;
826
  }
827
}
828

    
829
/*
830
 function cdm_dataportal_session_clear($cdm_ws_uri_update = FALSE){
831
 $_SESSION['cdm'] = NULL;
832
 if(is_string($cdm_ws_uri_update)){
833
 $_SESSION['cdm'] = array('ws_uri'=>$cdm_ws_uri_update);
834
 }
835
 }
836

    
837
 function cdm_dataportal_session_validate(){
838
 if(!isset($_SESSION['cdm']['ws_uri'])){
839
 $_SESSION['cdm'] = array('ws_uri'=>variable_get('cdm_webservice_url', FALSE));
840
 } else if($_SESSION['cdm']['ws_uri'] != variable_get('cdm_webservice_url', FALSE)){
841
 cdm_dataportal_session_clear(variable_get('cdm_webservice_url', FALSE));
842
 }
843
 }
844
 */
845

    
846
/**
847
 * creates a  selector form for taxonomic trees.
848
 *
849
 * @return a drupal form array
850
 */
851
function cdm_taxonomictree_selector() {
852
  _add_js_treeselector();
853

    
854
  $form = drupal_get_form('cdm_taxonomictree_selector_form');
855
  return $form;
856
}
857

    
858
/**
859
 * @todo Please document this function.
860
 * @see http://drupal.org/node/1354
861
 */
862
function cdm_taxonomictree_selector_form($form, &$form_state) {
863

    
864
  $url = url('cdm_api/setvalue/session', array('query' => NULL));
865
  $form['#action'] = $url;
866

    
867
  $form['var'] = array(
868
    '#weight' => -3,
869
    '#type' => 'hidden',
870
    '#value' => '[cdm][taxonomictree_uuid]',
871
  );
872

    
873
  $destination_array = drupal_get_destination();
874
  $destination = $destination_array['destination'];
875

    
876
  $form['destination'] = array(
877
    '#weight' => -3,
878
    '#type' => 'hidden',
879
    '#value' =>  $destination,
880
  );
881

    
882
  $options = cdm_get_taxontrees_as_options();
883
  $taxontree_includes = variable_get(CDM_TAXONTREE_INCLUDES, null);
884
  if($taxontree_includes){
885
    $filtered_options = array();
886
    foreach($options as $uuid=>$label){
887
      if(!empty($taxontree_includes[$uuid])){
888
        $filtered_options[$uuid] = $label;
889
      }
890
    }
891
    $options = $filtered_options;
892
  }
893

    
894
  $form['val'] = array(
895
    '#type' => 'select',
896
    '#title' => t('Available classifications'),
897
    '#default_value' => get_current_classification_uuid(),
898
    '#options' => $options,
899
    '#attributes' => array('class' => array('highlite-first-child'))
900
  );
901

    
902
  return $form;
903

    
904
}
905

    
906
/* UNREACHABLE since action of form directly links to view.
907
 function cdm_dataportal_search_taxon_form_submit($form_id, $form_values) {
908

    
909
 $_SESSION['cdm']['search'] = $form_values;
910
 //return '/cdm_dataportal/search/taxon/'.$form_values['queryString'].'/'.($form_values['vernacular']?'1':'0').'/'.$form_values['language'];
911
 return '/cdm_dataportal/search/taxon/'.$form_values['queryString'].'/'.($form_values['onlyAccepted']?'1':'0');
912
 //$paramstr = compose_url_prameterstr($form_values);
913
 //return url('/cdm_dataportal/search/taxon/', array('query' => $paramstr));
914
 }
915
 */
916
/* ====================== menu callback functions ====================== */
917
/**
918
 * @todo Please document this function.
919
 * @see http://drupal.org/node/1354
920
 */
921
/*
922
function cdm_dataportal_form_alter(&$form, &$form_state, $form_id) {
923
  static $comment_node_disabled =  0;
924
  static $comment_node_read_only =  1;
925
  static $comment_node_read_write =  2;
926

    
927
  if ($form_id == 'node_type_form'
928
   && isset($form['identity']['type'])
929
   && array_key_exists($form['#node_type']->type, cdm_get_nodetypes())
930
  ) {
931
    $form['workflow']['comment'] = array(
932
      '#type' => 'radios',
933
      '#title' => t('Default comment setting'),
934
      '#default_value' => variable_get('comment__' . $node->type . $form['#node_type']->type, $comment_node_disabled),
935
      '#options' => array(t('Disabled'), t('Read only'), t('Read/Write')),
936
      '#description' => t('Users with the <em>administer comments</em> permission will be able to override this setting.'),
937
    );
938
  }
939
}
940
*/
941

    
942
/**
943
 * Displays a list of the known taxonomic names.
944
 *
945
 * When the list of taxonomic names is displayed, long lists are split up into
946
 * multiple pages.
947
 *
948
 * TODO: Parameters are still preliminary.
949
 *
950
 * @param string $beginsWith
951
 * @param string $page
952
 *   Page number to diplay defaults to page 1.
953
 * @param bool $onlyAccepted
954
 */
955
function cdm_dataportal_view_names($beginsWith = 'A', $page = 1, $onlyAccepted = FALSE) {
956

    
957
  $out = t('<h3>Sorry, the name list feature is not yet available in this version of the DataPortal software<h3>');
958

    
959
  /*
960
  // FIXME the filter for accepted names will be a form element, thus this
961
  // widget should be generated via form api preferably as block.
962
  $out  = theme('cdm_dataportal_widget_filter_accepted', $onlyAccepted);
963
  $out .= theme('cdm_dataportal_widget_names_list', $names, $page);
964
  $out .= theme('cdm_listof_taxa', $taxonPager);
965
  return $out;
966
  */
967
}
968

    
969
/**
970
 * @todo Please document this function.
971
 * @see http://drupal.org/node/1354
972
 */
973
function cdm_dataportal_view_reference($uuid, $arg2 = NULL) {
974

    
975
  cdm_check_valid_portal_page();
976

    
977
  $reference = cdm_ws_get(CDM_WS_REFERENCE, $uuid);
978
  return theme('cdm_reference_page', array('reference' => $reference));
979
}
980

    
981
/**
982
 * Creates a view on a all references contained in the portal.
983
 *
984
 * This function is used at the path cdm_dataportal/reference/list
985
 */
986
function cdm_dataportal_view_reference_list($pageNumber) {
987
  $referencePager = cdm_ws_page(CDM_WS_REFERENCE, variable_get('cdm_dataportal_search_items_on_page', CDM_DATAPORTAL_SEARCH_ITEMS_ON_PAGE), $pageNumber);
988
  cdm_reference_pager($referencePager, 'cdm_dataportal/reference/list/');
989
}
990

    
991
/**
992
 * @todo Please document this function.
993
 * @see http://drupal.org/node/1354
994
 */
995
function cdm_dataportal_view_media($mediaUuid, $mediarepresentation_uuid = FALSE, $part = 0) {
996

    
997
  cdm_check_valid_portal_page();
998

    
999
  $media = cdm_ws_get(CDM_WS_PORTAL_MEDIA, $mediaUuid);
1000
  return theme('cdm_media_page', array(
1001
    'media' => $media,
1002
    'mediarepresentation_uuid' => $mediarepresentation_uuid,
1003
    'partId' => $part,
1004
    ));
1005
}
1006

    
1007
/**
1008
 * @todo Please document this function.
1009
 * @see http://drupal.org/node/1354
1010
 */
1011
function _load_taxonBase(&$taxonBase) {
1012
  if (isset($taxonBase->uuid)) {
1013
    $taxonBase->name = cdm_ws_get(CDM_WS_TAXON, array($taxonBase->uuid, "name"));
1014
    $taxonBase->name->taggedName = cdm_ws_get(CDM_WS_NAME, array($taxonBase->name->uuid, "taggedName"));
1015
    $taxonBase->name->nomenclaturalReference = cdm_ws_get(CDM_WS_NAME, array($taxonBase->name->uuid, "nomenclaturalReference"));
1016
  }
1017
}
1018

    
1019
/**
1020
 * Loads the media associated to the given taxon from the cdm server.
1021
 * The aggregation settings regarding taxon relathionships and
1022
 * taxonnomic childen are taken into account.
1023
 *
1024
 * The media lists are cached in a static variable.
1025
 *
1026
 * @param Taxon $taxon
1027
 *   A CDM Taxon entitiy
1028
 *
1029
 * @return array
1030
 *   An array of CDM Media entities
1031
 *
1032
 */
1033
function _load_media_for_taxon($taxon) {
1034

    
1035
  static $media = NULL;
1036

    
1037
  if(!isset($media)) {
1038
    $media = array();
1039
  }
1040
  if (!isset($media[$taxon->uuid])) {
1041

    
1042
    // --- GET Images --- //
1043
    $mediaQueryParameters = array(
1044
        "type" => "ImageFile",
1045
    );
1046

    
1047
    $relationship_choice = variable_get(CDM_AGGREGATE_BY_TAXON_RELATIONSHIPS, unserialize(CDM_AGGREGATE_BY_TAXON_RELATIONSHIPS_DEFAULT));
1048
    $mediaQueryParameters['relationships'] = implode(',', get_selection($relationship_choice['direct']));
1049
    $mediaQueryParameters['relationshipsInvers'] = implode(',', get_selection($relationship_choice['invers']));
1050

    
1051
    $taxon_media_filter_choice = variable_get(CDM_TAXON_MEDIA_FILTER, unserialize(CDM_TAXON_MEDIA_FILTER_DEFAULT));
1052
    $mediaQueryParameters['includeTaxonDescriptions'] = (boolean) $taxon_media_filter_choice['includeTaxonDescriptions'] != 0;
1053
    $mediaQueryParameters['includeOccurrences'] = (boolean) $taxon_media_filter_choice['includeOccurrences'] != 0;
1054
    $mediaQueryParameters['includeTaxonNameDescriptions'] = (boolean) $taxon_media_filter_choice['includeTaxonNameDescriptions'] != 0;
1055

    
1056
    $ws_endpoint = NULL;
1057
    if ( variable_get('cdm_images_include_children', 0) == 0) {
1058
      $ws_endpoint = CDM_WS_PORTAL_TAXON_MEDIA;
1059
    } else {
1060
      $ws_endpoint = CDM_WS_PORTAL_TAXON_SUBTREE_MEDIA;
1061
    }
1062

    
1063
    $media[$taxon->uuid] = cdm_ws_get($ws_endpoint,
1064
        array(
1065
            $taxon->uuid,
1066
        ),
1067
        queryString($mediaQueryParameters)
1068
       );
1069
  }
1070

    
1071
  return $media[$taxon->uuid];
1072
}
1073

    
1074
/**
1075
 *
1076
 * @param Taxon $taxon
1077
 *   A CDM Taxon entitiy
1078
 *
1079
 * @return array
1080
 *   An array of CDM SpecimenOrObservation entities
1081
 *
1082
function _load_occurences_for_taxon($taxon){
1083

    
1084
  static $occurences = NULL;
1085

    
1086
  if(!isset($occurences)) {
1087
    $occurences = array();
1088
  }
1089

    
1090
  if (!isset($occurences[$taxon->uuid])){
1091

    
1092
    $relationship_choice = variable_get(CDM_AGGREGATE_BY_TAXON_RELATIONSHIPS, unserialize(CDM_AGGREGATE_BY_TAXON_RELATIONSHIPS_DEFAULT));
1093
    $relationship_choice['direct'] = get_selection($relationship_choice['direct']);
1094
    $relationship_choice['invers'] = get_selection($relationship_choice['invers']);
1095

    
1096
    $by_associatedtaxon_query = http_build_query(array(
1097
        'relationshipsInvers' => implode(',', $relationship_choice['invers']),
1098
        'relationships' => implode(',', $relationship_choice['direct']),
1099
        'pageSize' => null // all hits in one page
1100
    )
1101
    );
1102

    
1103
    $pager = cdm_ws_get(CDM_WS_OCCURRENCE_BY_ASSOCIATEDTAXON,
1104
        null,
1105
        $by_associatedtaxon_query . '&taxonUuid=' . $taxon->uuid
1106
    );
1107

    
1108

    
1109
    if(isset($pager->records[0])){
1110
      $occurences[$taxon->uuid] =  $pager->records;
1111
    }
1112
  }
1113
  return $occurences[$taxon->uuid];
1114
}
1115
 */
1116

    
1117
/**
1118
 * Gets a Drupal variable, string or array and returns it.
1119
 *
1120
 * Similar to the variable_get() function of Drupal, except that this function
1121
 * is able to handle arrays correctly. This function is especially useful
1122
 * when dealing with collections of settings form elements (#tree = TRUE).
1123
 *
1124
 * @param string $variableKey
1125
 *   The Unique key of the Drupal variable in the Drupal variables table.
1126
 * @param string $defaultValueString
1127
 *   A string as for example derived from a CONSTANT.
1128
 *
1129
 * @return mixed
1130
 *   usually an array, depending on the nature of the variable.
1131
 *
1132
 * TODO compare with get_array_variable_merged() duplicate functions?
1133
 * @deprecated rather use get_array_variable_merged() since this function
1134
 * used an array as second parameter
1135
 */
1136
function mixed_variable_get($variableKey, $defaultValueString) {
1137
  $systemDefaults = unserialize($defaultValueString);
1138
  $storedSettings = variable_get($variableKey, array());
1139
  if (is_array($storedSettings)) {
1140
    // TODO better use drupal_array_merge_deep() ?
1141
    $settings = array_merge($systemDefaults, $storedSettings);
1142
  }
1143
  else {
1144
    $settings = $systemDefaults;
1145
  }
1146
  return $settings;
1147
}
1148

    
1149
/**
1150
 * Recursive function to convert an object into an array.
1151
 * also subordinate objects will be converted.
1152
 *
1153
 * @param object $object
1154
 * @return the array
1155
 */
1156
function convert_to_array($object) {
1157
  if(is_object($object) || is_array($object)) {
1158
    $array = (array)$object;
1159
    foreach ($array as $key=>$value){
1160
      $array[$key] = convert_to_array($value);
1161
    }
1162
    return $array;
1163
  } else {
1164
    return $object;
1165
  }
1166
}
1167

    
1168
/**
1169
 * Searches the $collection for the cdm entitiy given as $element.
1170
 *
1171
 * The elements are compared by their UUID.
1172
 *
1173
 * @param $element
1174
 *  the CDM entitiy to search for
1175
 * @param $collection
1176
 *  the list of CDM entities to search in
1177
 *
1178
 * @return boolean TRUE if the $collection contains the $element, otheriwse FALSE
1179
 *
1180
 */
1181
function contains_cdm_entitiy($element, $collection) {
1182
  $result = FALSE;
1183
  foreach ($collection as $a) {
1184
    if ($a->uuid == $element->uuid) {
1185
      $result = TRUE;
1186
    }
1187
  }
1188
  return $result;
1189
}
1190

    
1191
/**
1192
 * Fiters the array $entity_list of CDM entities by the list
1193
 * of $excludes. Any element contained in the $excludes will be removed
1194
 * from included int the retuned list.
1195
 *
1196
 * If the $entity_list is not an array the $excludes will be returned.
1197
 */
1198
function filter_cdm_entity_list($entity_list, $excludes) {
1199
  if (is_array($entity_list)) {
1200
    $result = $entity_list;
1201
    if ($excludes) {
1202
      foreach ($excludes as $exclude) {
1203
        if (!contains_cdm_entitiy($exclude, $entity_list)) {
1204
          $result[] = $exclude;
1205
        }
1206
      }
1207
    }
1208
  }
1209
  else {
1210
    $result = $excludes;
1211
  }
1212
  return $result;
1213
}
1214

    
1215
/**
1216
 * Wraps the given $html string into a render array suitable for drupal_render()
1217
 *
1218
 * @param $html
1219
 *   the html string, see
1220
 *   http://api.drupal.org/api/drupal/developer!topics!forms_api_reference.html/7#markup
1221
 * @param $weight
1222
 *   A positive or negative number (integer or decimal).
1223
 *   see http://api.drupal.org/api/drupal/developer!topics!forms_api_reference.html/7#weightval
1224
 * @param $prefix
1225
 *   Optional markup for the '#prefix' element of the render array
1226
 * @param $suffix
1227
 *   Optional markup for the '#suffix' element of the render array
1228
 *
1229
 * @return array
1230
 *   A render array
1231
 *
1232
 */
1233
function markup_to_render_array($html, $weight = FALSE, $prefix = NULL, $suffix = NULL) {
1234
  $render_array = array(
1235
    '#markup' => $html
1236
      );
1237
  if (is_numeric($weight)) {
1238
    $render_array['#weight'] = $weight;
1239
  }
1240
  if($prefix){
1241
    $render_array['#prefix'] = $prefix;
1242
  }
1243
  if($suffix) {
1244
    $render_array['#suffix'] = $suffix;
1245
  }
1246
  return $render_array;
1247
}
1248

    
1249
/**
1250
 * Loads the subgraph of a given PolytomousKeyNode.
1251
 *
1252
 * Loads the subgraph of the given PolytomousKeyNode recursively from
1253
 * the CDM REST service.
1254
 *
1255
 * @param mixed $polytomousKeyNode
1256
 *   PolytomousKeyNode passed by reference.
1257
 *
1258
 * @return void
1259
 */
1260
function _load_polytomousKeySubGraph(&$polytomousKeyNode) {
1261

    
1262
  if (!$polytomousKeyNode) {
1263
    return;
1264
  }
1265
  if ($polytomousKeyNode->class != "PolytomousKeyNode") {
1266
    drupal_set_message('_load_polytomousKeySubGraph(): ' . t('invalid type given.'), 'error');
1267
    return;
1268
  }
1269
  if (!is_uuid($polytomousKeyNode->uuid)) {
1270
    drupal_set_message('_load_polytomousKeySubGraph(): ' . t('invalid type given.'), 'error');
1271
    return;
1272
  }
1273

    
1274
  $polytomousKeyNode = cdm_ws_get(CDM_WS_POLYTOMOUSKEY_NODE, $polytomousKeyNode->uuid);
1275

    
1276
  if (!$polytomousKeyNode) {
1277
    // drupal_set_message("_load_polytomousKeyChildNodes() : could not load polytomousKeyNode", "error");
1278
    return;
1279
  }
1280

    
1281
  // Load children.
1282
  foreach ($polytomousKeyNode->children as &$childNode) {
1283
    _load_polytomousKeySubGraph($childNode);
1284
  }
1285

    
1286
  // Load subkey.
1287
  $polytomousKeyNode->subkey = cdm_ws_get(CDM_WS_POLYTOMOUSKEY_NODE, array($polytomousKeyNode->uuid, "subkey"));
1288

    
1289
  // Load taxon.
1290
  $polytomousKeyNode->taxon = cdm_ws_get(CDM_WS_POLYTOMOUSKEY_NODE, array($polytomousKeyNode->uuid, "taxon"));
1291
  _load_taxonBase($polytomousKeyNode->taxon);
1292
  return;
1293
}
1294

    
1295
/**
1296
 * @todo Please document this function.
1297
 * @see http://drupal.org/node/1354
1298
 */
1299
function cdm_dataportal_view_polytomousKey($polytomousKeyUuid) {
1300

    
1301
  cdm_check_valid_portal_page();
1302

    
1303
  $polytomousKey = cdm_ws_get(CDM_WS_POLYTOMOUSKEY, $polytomousKeyUuid);
1304

    
1305
  $sourcePager = cdm_ws_get(CDM_WS_POLYTOMOUSKEY, array($polytomousKeyUuid, 'sources'));
1306
  if (is_array($sourcePager->records)) {
1307
    $polytomousKey->sources = $sourcePager->records;
1308
    // $polytomousKey->sources->citation = cdm_ws_get(CDM_WS_POLYTOMOUSKEY, array($polytomousKeyUuid, 'sources'));
1309
  }
1310

    
1311
  $annotationPager = cdm_ws_get(CDM_WS_POLYTOMOUSKEY, array($polytomousKeyUuid, 'annotations'));
1312
  if (is_array($annotationPager->records)) {
1313
    $polytomousKey->annotations = $annotationPager->records;
1314
  }
1315

    
1316
  _load_polytomousKeySubGraph($polytomousKey->root);
1317
  return theme('cdm_polytomousKey_page', array('polytomousKey' => $polytomousKey));
1318
}
1319

    
1320
/**
1321
 * Creates a taxon page view or a chapter of it.
1322
 *
1323
 * The taxon page gives detailed information on a taxon, it shows:
1324
 *  - Taxon name.
1325
 *  - Full list of synonyms homotypic synonyms on top, followed by the
1326
 *    heterotypic and finally followed by misapplied names.
1327
 *    The list is ordered historically.
1328
 *  - All description associated with the taxon.
1329
 *
1330
 * @param string $uuid
1331
 * @param string $chapter
1332
 *   Name of the part to display, valid values are:
1333
 *   'description', 'images', 'synonymy', 'specimens', 'all'.
1334
 *
1335
 * @return unknown_type
1336
 */
1337
function cdm_dataportal_taxon_page_view($uuid, $chapter = 'all', $synonym_uuid = NULL) {
1338

    
1339
  cdm_check_valid_taxon_page($chapter);
1340
  cdm_dd("START OF TAXON PAGE [" . $chapter . "] " . $uuid . ' for ' . $_GET['q']);
1341
  // show a warning in case the javascript development mode is anabled
1342
  if(variable_get('cdm_js_devel_mode', FALSE)) {
1343
    drupal_set_message(t('The !url1 is enabled.
1344
        WARNING: this is a performance penalty and must be turned off on production websites.', array(
1345
          '!url1' => l('java-script development mode', 'admin/config/cdm_dataportal/settings', array('fragment' => 'edit-cdm-js-devel-mode'))
1346
    )),
1347
    'warning'
1348
        );
1349
  }
1350

    
1351
  // Display the page for the taxon defined by $uuid.
1352
  // set_last_taxon_page_tab(arg(3));
1353
  $taxonpage = cdm_dataportal_taxon_view($uuid, $chapter, $synonym_uuid);
1354
  if (!empty($taxonpage)) {
1355
    cdm_dd("END OF TAXON PAGE [" . $chapter . "] " . $uuid);
1356
    return cdm_node_show(NODETYPE_TAXON, $uuid, $taxonpage->title, $taxonpage->content);
1357
  }
1358
  else {
1359
    cdm_dd("END OF TAXON PAGE [" . $chapter . "] " . $uuid . ' !!! PAGE IS EMPTY !!!');
1360
    return '';
1361
  }
1362
}
1363

    
1364
/**
1365
 * This function will genreate the taxon page part ($chapter) and returns a taxonpage object
1366
 * which has two fields, one for the page title and one for the content. Later on in the
1367
 * process chain the value contained in these fields will be passed to the cdm_node_show()
1368
 * function as the function parameters $title and $content.
1369
 *
1370
 * @param string $uuid
1371
 *   the uuid of the taxon to show
1372
 * @param string $chapter
1373
 *   Name of the part to display, valid values are:
1374
 *   'description', 'images', 'synonymy', 'all'.
1375
 *
1376
 * @return taxonpage object with the following fields:
1377
 *   - title : the title of the page
1378
 *   - content: the content of the page
1379
 *
1380
 */
1381
function cdm_dataportal_taxon_view($uuid, $chapter = 'all') {
1382
  // Taxon object.
1383
  $taxon = cdm_ws_get(CDM_WS_PORTAL_TAXON, $uuid);
1384
  if (empty($taxon)) {
1385
    drupal_set_title(t('Taxon does not exist'), PASS_THROUGH);
1386
    return FALSE;
1387
  }
1388
  $taxonpage = new stdClass();
1389

    
1390
  $taxonpage->title = theme('cdm_taxon_page_title', array(
1391
    'taxon' => $taxon
1392
  ));
1393

    
1394
  // Check if the taxon id contained in the currently selected tree.
1395
  $taxon_in_current_classification = taxon_in_current_classification($uuid);
1396

    
1397
  if (!$taxon_in_current_classification) {
1398
    $classifications = get_classifications_for_taxon($taxon);
1399
    RenderHints::pushToRenderStack('not_in_current_classification');
1400
    $taxon_name_markup = render_taxon_or_name($taxon);
1401

    
1402
    if (count($classifications) == 0) {
1403
      drupal_set_message(t('This concept of the taxon !taxonname is not contained as an accepted taxon in the currently chosen classification.',
1404
        array(
1405
        '!taxonname' => $taxon_name_markup,
1406
        )
1407
      ), 'warning');
1408
    }
1409
    else {
1410
      $trees = '';
1411
      foreach ($classifications as $classification) {
1412
        if (isset($classification->titleCache)) {
1413
          $trees .= ($trees ? ', ' : '') . '<strong>' . $classification->titleCache . '</strong>';
1414
        }
1415
      }
1416

    
1417
      drupal_set_message(format_plural(count($trees),
1418
          'This concept of the taxon !taxonname is not contained as an accepted taxon in the currently chosen classification, but in this one: !trees',
1419
          'This concept of the taxon !taxonname is not contained as an accepted taxon in the currently chosen classification, but in one of these: !trees',
1420
          array('!taxonname' => $taxon_name_markup, '!trees' => $trees)
1421
        ) ,
1422
        'warning');
1423
    }
1424
    RenderHints::popFromRenderStack();
1425
  }
1426

    
1427
  // Render the taxon page.
1428
  $render_array = compose_cdm_taxon_page($taxon, $chapter);
1429
  $taxonpage->content = drupal_render($render_array);
1430

    
1431
  return $taxonpage;
1432
}
1433

    
1434
/**
1435
 * Creates a specimen page view.
1436
 * @param string $uuid the UUID of the specimen
1437
 * @return array|string
1438
 */
1439
function cdm_dataportal_specimen_page_view($uuid) {
1440

    
1441
    //cdm_check_valid_taxon_page($chapter);
1442
    //cdm_dd("START OF TAXON PAGE [" . $chapter . "] " . $uuid . ' for ' . $_GET['q']);
1443
    // show a warning in case the javascript development mode is anabled
1444
    if(variable_get('cdm_js_devel_mode', FALSE)) {
1445
        drupal_set_message(t('The !url1 is enabled.
1446
        WARNING: this is a performance penalty and must be turned off on production websites.', array(
1447
            '!url1' => l('java-script development mode', 'admin/config/cdm_dataportal/settings', array('fragment' => 'edit-cdm-js-devel-mode'))
1448
        )),
1449
            'warning'
1450
        );
1451
    }
1452

    
1453
    // Display the page for the specimen defined by $uuid.
1454
    $specimenpage = cdm_dataportal_specimen_view($uuid);
1455
    if (!empty($specimenpage)) {
1456
        return cdm_node_show(NODETYPE_TAXON, $uuid, $specimenpage->title, $specimenpage->content);
1457
    }
1458
    else {
1459
        return '';
1460
    }
1461
}
1462

    
1463
/**
1464
 *
1465
 * Creates a specimen view.
1466
 * @param string $uuid the UUID of the specimen
1467
 * @return array|string
1468
 */
1469
function cdm_dataportal_specimen_view($uuid) {
1470
    $specimen = cdm_ws_get(CDM_WS_OCCURRENCE, $uuid);
1471
    if (empty($specimen)) {
1472
        drupal_set_title(t('Specimen does not exist'), PASS_THROUGH);
1473
        return FALSE;
1474
    }
1475
    $specimenpage = new stdClass();
1476

    
1477
    $specimenpage->title = theme('cdm_specimen_page_title', array(
1478
        'specimen' => $specimen
1479
    ));
1480

    
1481
    // Render the specimen page.
1482
    $render_array = compose_cdm_specimen_page($uuid);
1483
    $specimenpage->content = drupal_render($render_array);
1484

    
1485
    return $specimenpage;
1486
}
1487

    
1488
/**
1489
 * Returns a name page as a Drupal node ready to be renderized by Drupal.
1490
 *
1491
 * The node page shows the taxon name title and the list of taxon related
1492
 * with such taxon. Name on the tree already in use.
1493
 *
1494
 * @param UUID $taxon_name_uuid
1495
 *   The uuid of the CDM TaxonNameBase to show a name page for
1496
 * @param UUID $taxon_to_hide_uuid
1497
 *   A taxon which should not be displayed in the taxon list
1498
 * @param UUID $highlite_synonym_uuid
1499
 *   Optinal parameter wich takes another taxon uuid, if given the
1500
 *   target taxon pages will show the syonymy tab where the taxon
1501
 *   refenrenced by the $highlite_synonym_uuid will be highlighted
1502
 *   in case it is found on this page.
1503
 *
1504
 * @return mixed
1505
 *   The formatted name page as node.
1506
 */
1507
function cdm_dataportal_name_page_view($taxon_name_uuid, $taxon_to_hide_uuid, $synonym_uuid = NULL) {
1508

    
1509
  cdm_check_valid_portal_page();
1510

    
1511
  $taxonname_page = cdm_dataportal_name_view($taxon_name_uuid, $taxon_to_hide_uuid, $synonym_uuid);
1512
  if (!empty($taxonname_page)) {
1513
    return cdm_node_show(NODETYPE_NAME, $taxon_name_uuid, $taxonname_page->title, $taxonname_page->content);
1514
  }
1515
  else {
1516
    return '';
1517
  }
1518
}
1519

    
1520
/**
1521
 * View function for a TaxonNameBase page.
1522
 *
1523
 * The name page lists all taxa for which the name specified by the
1524
 * $taxon_name_uuid is being used. I case there is only one name the
1525
 * page automatically redirects ti the according taxon page. Otherwise
1526
 * the list of names is displayed.
1527
 *
1528
 * The parameter $taxon_to_hide_uuid allows to exclude a taxon from the
1529
 * list of taxa. This is useful for example when referencing from a taxon
1530
 * to the name page and the referring taxon should not be repeaded in the
1531
 * name page.
1532
 *
1533
 *
1534
 * @param UUID $taxon_name_uuid
1535
 *   The uuid of the CDM TaxonNameBase to show a name page for
1536
 * @param UUID $taxon_to_hide_uuid
1537
 *   A taxon which should not be displayed in the taxon list
1538
 * @param UUID $highlite_synonym_uuid
1539
 *   Optinal parameter wich takes another taxon uuid, if given the
1540
 *   target taxon pages will show the syonymy tab where the taxon
1541
 *   refenrenced by the $highlite_synonym_uuid will be highlighted
1542
 *   in case it is found on this page.
1543
 *
1544
 * @return object
1545
 *   An object with two fields:
1546
 *     - title: the page title
1547
 *     - content: the page content
1548
 */
1549
function cdm_dataportal_name_view($taxon_name_uuid, $taxon_to_hide_uuid, $highlite_synonym_uuid = NULL) {
1550
  // Getting the full taxonname object from the server.
1551
  $taxon_name = cdm_ws_get(CDM_WS_PORTAL_NAME, array($taxon_name_uuid));
1552
  if (!$taxon_name) {
1553
    drupal_set_title(t('Taxon name does not exist'), PASS_THROUGH);
1554
    return FALSE;
1555
  }
1556
  // Searching for all the taxa connected with the taxon name on the tree
1557
  // in use.
1558
  $name_cache = cdm_ws_get(CDM_WS_NAME_NAMECAHE, array($taxon_name_uuid));
1559
  $request_params = array();
1560
  $request_params['query'] = $name_cache;
1561
  $request_params['tree'] = get_current_classification_uuid();
1562
  $request_params['doTaxa'] = 1;
1563
  $request_params['doSynonyms'] = 1;
1564
  $request_params['doTaxaByCommonNames'] = 0;
1565
  $request_params['matchMode'] = "EXACT";
1566
  $taxon_pager = cdm_ws_get(CDM_WS_PORTAL_TAXON_FIND, NULL, queryString($request_params));
1567

    
1568
  // Removing the name where we came from.
1569
  foreach ($taxon_pager->records as $k => &$taxon) {
1570
    if ($taxon->uuid == $taxon_to_hide_uuid) {
1571
      unset($taxon_pager->records[$k]);
1572
    }
1573
  }
1574
  // Show the taxa list or go to the singular taxon.
1575
  if (sizeof($taxon_pager->records) == 1) {// Single taxon case.
1576
    $singleTaxon = array_pop($taxon_pager->records);
1577
    if ($singleTaxon->class != "Taxon") {
1578
      // It is a Synonym -> look for the accepted.
1579
      $accepted_taxa = cdm_ws_get(CDM_WS_PORTAL_TAXON_ACCEPTED, array($singleTaxon->uuid, get_current_classification_uuid()));
1580
      if (!empty($highlite_synonym_uuid)) {
1581
        drupal_goto('cdm_dataportal/taxon/' . $accepted_taxa[0]->uuid . '/synonymy', array('query' => array('highlite' => $highlite_synonym_uuid)));
1582
      }
1583
      else {
1584
        drupal_goto('cdm_dataportal/taxon/' . $accepted_taxa[0]->uuid . '/synonymy', array('query' => array('highlite' => $singleTaxon->uuid)));
1585
      }
1586
    }
1587
    else {
1588
      // It is an accepted taxon.
1589
      if (!empty($highlite_synonym_uuid)) {
1590
        drupal_goto('cdm_dataportal/taxon/' . $singleTaxon->uuid . '/synonymy', array('query' => array('highlite' => $highlite_synonym_uuid)));
1591
      }
1592
      else {
1593
        drupal_goto('cdm_dataportal/taxon/' . $singleTaxon->uuid);
1594
      }
1595
    }
1596
  }
1597
  else {// More than one taxa case.
1598
    $taxon_name_page = new stdClass();
1599
    $taxon_name_page->title = theme('cdm_name_page_title', array('taxon_name' => $taxon_name));
1600
    if ($taxon_pager->records) {
1601
      $taxon_name_page->content = compose_list_of_taxa($taxon_pager->records);
1602
    }
1603
    else {
1604
      $taxon_name_page->content = 'This name has no taxa';
1605
    }
1606
    return $taxon_name_page;
1607
  }
1608
}
1609

    
1610
/**
1611
 * Creates a page with the advance search form.
1612
 *
1613
 * NOTE: The advance search form allows searching for taxa.
1614
 */
1615
function cdm_dataportal_view_search_advanced() {
1616
  drupal_set_title(t('Advanced search'), PASS_THROUGH);
1617
  return drupal_get_form('cdm_dataportal_search_taxon_form_advanced');
1618
}
1619

    
1620
/**
1621
 * Creates a page with the search form for searching by taxon descriptions.
1622
 */
1623
function cdm_dataportal_view_search_taxon_by_description() {
1624
  drupal_set_title(t('Search by factual data'), PASS_THROUGH);
1625
  return drupal_get_form('cdm_dataportal_search_taxon_by_description_form');
1626
}
1627

    
1628
/**
1629
 * Executes the search and generates the result list of taxa.
1630
 */
1631
function cdm_dataportal_view_search_results_taxon() {
1632

    
1633
  $taxonPager = cdm_dataportal_search_execute();
1634

    
1635
  $showThumbnails = do_showThumbnails();
1636

    
1637
  $setSessionUri = url('cdm_api/setvalue/session', array(
1638
      'query' => array('var' => '[pageoption][searchtaxa][showThumbnails]', 'val' => ''),
1639
  ));
1640

    
1641
  drupal_add_js('jQuery(document).ready(function() {
1642

    
1643
      // init
1644
      if(' . $showThumbnails . ' == 1){
1645
          jQuery(\'.media_gallery\').show(20);
1646
      } else {
1647
          jQuery(\'.media_gallery\').hide(20);
1648
      }
1649

    
1650
      // add change handler
1651
      jQuery(\'#showThumbnails input.showThumbnails\').change(
1652
      function(event){
1653
        var state = 0;
1654
        if(jQuery(this).is(\':checked\')){
1655
          jQuery(\'.media_gallery\').show(20);
1656
          state = 1;
1657
        } else {
1658
          jQuery(\'.media_gallery\').hide(20);
1659
        }
1660
        // store state in session variable
1661
        var uri = \'' . $setSessionUri . '\' + state;
1662
        jQuery.get(uri);
1663
      });
1664
  });',
1665
  array('type' => "inline", 'scope' => JS_DEFAULT));
1666

    
1667
  drupal_set_title(t('Search results'), PASS_THROUGH);
1668

    
1669
  return theme('cdm_search_results', array(
1670
    'pager' => $taxonPager,
1671
    'path' => 'cdm_dataportal/search/results/taxon',
1672
    ));
1673
}
1674

    
1675
/**
1676
 * Provides the standart image wich indicated a loading process
1677
 *
1678
 * @return string
1679
 *  The img html tag
1680
 */
1681
function loading_image_html() {
1682
  return '<img class="loading" src="' . base_path() . drupal_get_path('module', 'cdm_dataportal')
1683
    . '/images/loading_circle_grey_16.gif" style="display:none;">';
1684
}
1685

    
1686
/**
1687
 * Returns the state of the the showThumbnails flag set in the
1688
 * users session ($_SESSION['pageoption']['searchtaxa']['showThumbnails']).
1689
 *
1690
 * @return boolean
1691
 *    returns 1 if the flag is set
1692
 */
1693
function do_showThumbnails() {
1694
  static $showThumbnails = null;
1695

    
1696
  if($showThumbnails == null) {
1697
    $showThumbnails = 0;
1698
    if (!isset($_SESSION['pageoption']['searchtaxa']['showThumbnails'])) {
1699
      $showThumbnails = 0;
1700
      $search_gallery_settings = variable_get(CDM_DATAPORTAL_SEARCH_GALLERY_NAME, null);
1701
      $showThumbnails = is_array($search_gallery_settings)
1702
        && isset($search_gallery_settings['cdm_dataportal_show_taxon_thumbnails'])
1703
        && (
1704
            $search_gallery_settings['cdm_dataportal_show_taxon_thumbnails'] +
1705
            $search_gallery_settings['cdm_dataportal_show_synonym_thumbnails'] +
1706
            $search_gallery_settings['cdm_dataportal_show_thumbnail_captions'] > 0
1707
            )
1708
         ? 1 : 0;
1709

    
1710
       drupal_array_set_nested_value($_SESSION, array('pageoption', 'searchtaxa', 'showThumbnails'), $showThumbnails);
1711
    }
1712
    $showThumbnails = $_SESSION['pageoption']['searchtaxa']['showThumbnails'];
1713
    if (!is_numeric($showThumbnails)) {
1714
      $showThumbnails = 1;
1715
    }
1716
  }
1717

    
1718
  return $showThumbnails;
1719
}
1720

    
1721
/**
1722
 * View which transforms XML output from a given webservice endpoint into JSON.
1723
 */
1724
/*
1725
 function cdm_view_xml2json(){
1726
 $file = arg(2);
1727
 $datastr = file_get_contents(variable_get('cdm_webservice_url', '').$file);
1728
 return  xml2json::transformXmlStringToJson($datastr);
1729
 }
1730
 */
1731

    
1732
/* ====================== other functions ====================== */
1733
/**
1734
 * Creates a URL to the taxon page specified by the $uuid parameter.
1735
 *
1736
 * The URL will be prepended with a path element to a specific taxon page tab.
1737
 *
1738
 * This tab is either taken from the CDM_DATAPORTAL_DEFAULT_TAXON_TAB which can
1739
 * be set globally in the administrative settings or individually in the user
1740
 * profile. If the CDM_DATAPORTAL_DEFAULT_TAXON_TAB value is set to LAST_VISITED_TAB
1741
 * the last portal will stay on this last tab.
1742
 *
1743
 * A third option is offerered by the $page_tab parameter which allows overwriting this
1744
 * internal mechanism by a specific value.
1745
 *
1746
 * @param string $uuid
1747
 *   The UUID of the taxon.
1748
 * @param string $page_tab
1749
 *   Overwriting the preset mechanism by defining specific value for the
1750
 *   taxon page tab.
1751
 *
1752
 * @return string
1753
 *   The created URL.
1754
 */
1755
function path_to_taxon($uuid, $page_tab = FALSE) {
1756

    
1757
  $tab = get_default_taxon_tab();
1758
  $values = unserialize(CDM_DATAPORTAL_DEFAULT_TAXON_TAB);
1759

    
1760
  if (!$uuid) {
1761
    return FALSE;
1762
  }
1763

    
1764
  if ($page_tab) {
1765
    return 'cdm_dataportal/taxon/' . $uuid . '/' . $page_tab;
1766
  }
1767
  elseif (!$tab || strtolower($tab) == 'general') {
1768
    return 'cdm_dataportal/taxon/' . $uuid;
1769
  }
1770
  elseif (get_last_taxon_page_tab() &&   $tab == $values[CDM_DATAPORTAL_LAST_VISITED_TAB_ARRAY_INDEX]) {
1771
    return 'cdm_dataportal/taxon/' . $uuid . '/' . get_last_taxon_page_tab();
1772
  }
1773
  else {
1774
    return 'cdm_dataportal/taxon/' . $uuid . '/' . strtolower($tab);
1775
  }
1776
}
1777

    
1778
function path_to_specimen($uuid) {
1779

    
1780
    if (!$uuid) {
1781
        return FALSE;
1782
    }
1783
    else {
1784
        return 'cdm_dataportal/specimen/' . $uuid;
1785
    }
1786
}
1787

    
1788
/**
1789
 * Creates a URL to show a synonmy in the according taxon page.
1790
 *
1791
 * The URL will point to the synonymy tab of the taxon page of the accepted taxon given as parameter $acceptedUuid.
1792
 * The resulting URI will include query parameters to highlight the synonym, and to optionally display
1793
 * the accepted taxons name in aform like "Foo bar is accepted taxon for Ree doo". The URI will also
1794
 * include the sysnonym uuid as fragment in order to let the browser scroll to the according location
1795
 * in the page
1796
 *
1797
 * @param string $synonymUuid
1798
 *    The uuid of the synonym
1799
 * @param string $acceptedUuid
1800
 *    The uuid of the according accepted taxon
1801
 * @return string
1802
 *    The URL to show a synonmy in the according taxon page
1803
 */
1804
function uri_to_synonym($synonymUuid, $acceptedUuid) {
1805
  $acceptedPath = path_to_taxon($acceptedUuid, "synonymy");
1806
  return url($acceptedPath, array(
1807
      'query' => array(
1808
        // highlite the synony in the synonymy
1809
        'highlite' => $synonymUuid,
1810
        // the taxon page is refered from a synonym and the synonym can optionally be named in the page title
1811
        // see theme_taxon_page_title()
1812
        'acceptedFor' => $synonymUuid
1813
      ),
1814
      'fragment' => $synonymUuid
1815
  ));
1816

    
1817
}
1818

    
1819
/**
1820
 * Compses the drupal path to the key identified by the uuid.
1821
 *
1822
 * @param string $keyType
1823
 *    the key typer corresponds to the specific class of the CDM
1824
 *    IdentificationKey. Possible values are
1825
 *      -PolytomousKey
1826
 *      -MultimediaKey
1827
 *      - ...
1828
 * @param UUID $keyUuid
1829
 *   The UUID of the key
1830
 */
1831
function path_to_key($keyType, $keyUuid) {
1832
  if (!$keyUuid || !$keyType) {
1833
    return FALSE;
1834
  }
1835
  $keyType{0} = strtolower($keyType{0});
1836
  return "cdm_dataportal/" . $keyType . "/$keyUuid";
1837
}
1838

    
1839
/**
1840
 * @todo Please document this function.
1841
 * @see http://drupal.org/node/1354
1842
 */
1843
function path_to_reference($uuid) {
1844
  if (!$uuid) {
1845
    return FALSE;
1846
  }
1847
  return 'cdm_dataportal/reference/' . $uuid;
1848
}
1849

    
1850
/**
1851
 * Creates the path to a cdm_dataportal taxon name page.
1852
 *
1853
 * @param UUID $taxon_name_uuid
1854
 *   The uuid of the CDM TaxonNameBase to show a name page for
1855
 * @param UUID $taxon_to_hide_uuid
1856
 *   A taxon which should not be displayed in the taxon list
1857
 * @param UUID $highlite_synonym_uuid
1858
 *   Optinal parameter wich takes another taxon uuid, if given the
1859
 *   target taxon pages will show the syonymy tab where the taxon
1860
 *   refenrenced by the $highlite_synonym_uuid will be highlighted
1861
 *   in case it is found on this page.
1862
 *
1863
 * @return a URI path element as string
1864
 */
1865
function path_to_name($name_uuid, $taxon_to_hide_uuid = NULL, $synonym_uuid  = NULL) {
1866
  $res = FALSE;
1867
  if ($name_uuid) {
1868
    $res = 'cdm_dataportal/name/' . $name_uuid;
1869
  }
1870
  if($taxon_to_hide_uuid){
1871
    $res .= '/' . $taxon_to_hide_uuid;
1872
    if($synonym_uuid){
1873
      $res .= '/' . $synonym_uuid;
1874
    }
1875
  }
1876
  return $res;
1877
}
1878

    
1879
/**
1880
 * @todo Please document this function.
1881
 * @see http://drupal.org/node/1354
1882
 */
1883
function path_to_media($uuid, $representaion_uuid = FALSE, $partId = FALSE) {
1884
  if (!$uuid) {
1885
    return FALSE;
1886
  }
1887
  $out = 'cdm_dataportal/media/' . $uuid;
1888
  if ($representaion_uuid) {
1889
    $out .= '/' . $representaion_uuid;
1890
    if ($partId !== FALSE) {
1891
      $out .= '/' . $partId;
1892
    }
1893
  }
1894
  return $out;
1895
}
1896

    
1897
/**
1898
 * Compares thisRank with thatRank.
1899
 *
1900
 * Returns a negative integer, zero, or a positive integer
1901
 * as the of thisRank is higher than, equal to, or lower than thatRank.
1902
 * e.g:
1903
 * <ul>
1904
 * <li>rank_compare({species_uuid}, {genus_uuid}) = -1</li>
1905
 * <li>rank_compare({genus_uuid}, {genus_uuid}) = 0</li>
1906
 * <li>rank_compare({genus_uuid}, {tribus_uuid}) = 1</li>
1907
 * </ul>
1908
 * <p>
1909
 * This compare logic of the underlying webservice is the
1910
 * <b>inverse logic</b> of the the one implemented in
1911
 * java.lang.Comparable#compareTo(java.lang.Object)
1912
 *
1913
 * @param $thisRankUuid
1914
 * @param $thatRankUuid
1915
 *
1916
 * @return int
1917
 *   A negative integer, zero, or a positive integer
1918
 *   as the thisRank is lower than, equal to, or higher than thatRank.
1919
 */
1920
function rank_compare($thisRankUuid, $thatRankUuid) {
1921
  $result = cdm_ws_get(CDM_WS_TERM_COMPARE, array($thisRankUuid, $thatRankUuid));
1922
  return $result->Integer;
1923
}
1924

    
1925
/**
1926
 * Composes an HTML element class attribute value composed of
1927
 * the shortname of the cdm class and the uuid of the entity.
1928
 * This class attribute should be used whereever an cdm-entity is rendered.
1929
 *
1930
 * These according class selectors in css must be escaped, eg:
1931
 *    .cdm\:TextData
1932
 *
1933
 * @param $cdmEntity
1934
 */
1935
function html_class_attribute_ref($cdmEntity) {
1936

    
1937
  if (is_cdm_entity($cdmEntity)) {
1938
    return "cdm:" . $cdmEntity->class . " uuid:" . $cdmEntity->uuid;
1939
  }
1940
}
1941

    
1942

    
1943
/**
1944
 * Creates a short taxonname.
1945
 *
1946
 * The short name is created by using the taggedTitle field of
1947
 * NameSTO or NameTO instances.
1948
 * If the taggedTitle if empty the fullname will be returned.
1949
 *
1950
 * @param unknown_type $name
1951
 *   Name or TreeNode.
1952
 *
1953
 * @return string
1954
 */
1955
function cdm_dataportal_shortname_of($name) {
1956
  $nameStr = '';
1957

    
1958
  normalize_tagged_text($name->taggedTitle);
1959

    
1960
  // Get all tagged text tokens of the scientific name.
1961
  foreach ($name->taggedTitle as $tagtxt) {
1962
    if ($tagtxt->type == 'name' || $tagtxt->type == 'rank') {
1963
      $nameStr .= ($nameStr ? ' ' : '') . $tagtxt->text;
1964
    }
1965
  }
1966
  $nameStr = trim($nameStr);
1967

    
1968
  if ($nameStr) {
1969

    
1970
    // Do not return short names for these.
1971
    if ($name->unplaced || $name->excluded) {
1972
      return $nameStr;
1973
    }
1974

    
1975
    /*
1976
    1st capture group (^[a-zA-Z]): First letter of uninomial.
1977
    Second capture group ([\p{L}]+): remaining letters of uninomial ([\p{L} = an UTF-8 letter).
1978
    Third capture group (\s+[^(\x2E]+\s+.+$|\s+[a-zA-Z]+$): letters of name,
1979
    but only matching if no '(' or '.' in second word of name,        ( \x2E = '.')
1980
    OR only one specific epithet \s+[\p{L}\x22\x2D\xD7]+$             (\x22= '"', \x2D='-', \xD7='×' )
1981
    */
1982
    $pattern = '/(^[a-zA-Z])([\p{L}]+)(\s+[^(\x2E]+\s+.+$|\s+[\p{L}\x22\x2D\xD7]+$)/u';
1983
    if (preg_match($pattern, $nameStr, $matches, PREG_OFFSET_CAPTURE)) {
1984
      return $matches[1][0] . "." . $matches[3][0];
1985
    }
1986
    else {
1987
      return $nameStr;
1988
    }
1989
  }
1990
  else {
1991
    return $name->titleCache;
1992
  }
1993
}
1994

    
1995
/**
1996
 * Check if a taxon is accepted by the current taxonomic tree.
1997
 *
1998
 * @param mixed $taxon
1999
 *   The Taxon obkect to check.
2000
 *
2001
 * @return bool
2002
 *   Returns TRUE if $taxon is accepted, FALSE otherwise.
2003
 */
2004
function _cdm_dataportal_acceptedByCurrentView($taxon) {
2005

    
2006
  $defaultTreeUuid = get_current_classification_uuid();
2007

    
2008
  if (isset($taxon->taxonNodes)) {
2009
    $taxonNodes = $taxon->taxonNodes;
2010
  }
2011
  else {
2012
    $taxonNodes = cdm_ws_get(CDM_WS_PORTAL_TAXON_TAXONNODES, $taxon->uuid);
2013
  }
2014

    
2015
  if ($taxon->class == "Taxon" && isset($taxonNodes)) {
2016
    foreach ($taxonNodes as $node) {
2017
      if (isset($node->classification)){
2018
        if(is_object($node->classification)) {
2019
          if ($node->classification->uuid == $defaultTreeUuid) {
2020
            return TRUE;
2021
          }
2022
        }
2023
        else {
2024
          if ($node->classification == $defaultTreeUuid) {
2025
            return TRUE;
2026
          }
2027
        }
2028
      }
2029
    }
2030
  }
2031

    
2032
  return FALSE;
2033
}
2034

    
2035
/**
2036
 * Checks is the source has one of the given types.
2037
 *
2038
 * @param object $source
2039
 *   The original source entity
2040
 * @param array $types
2041
 *   An array of elementd of the OriginalSourceType enumeration
2042
 *   If not set the default will be used which is:
2043
 *    - Lineage
2044
 *    - PrimaryMediaSource
2045
 *    - PrimaryTaxonomicSource
2046
 *    - Unknown
2047
 *    - Other
2048
 * @return boolean
2049
 */
2050
  function _is_original_source_type($source, $types = null) {
2051
    // this is the default
2052
    // maybe this should also be put into the settings
2053
    static $default = array(
2054
      OriginalSourceType::Lineage,
2055
      OriginalSourceType::PrimaryMediaSource,
2056
      OriginalSourceType::PrimaryTaxonomicSource,
2057
      OriginalSourceType::Unknown,
2058
      OriginalSourceType::Other,
2059
    );
2060

    
2061
    if(!$types){
2062
      $types = $default;
2063
    }
2064
    return isset($source->type) && in_array($source->type, $types);
2065
  }
2066

    
2067
/**
2068
 * @todo Please document this function.
2069
 * @see http://drupal.org/node/1354
2070
 */
2071
function _is_invers_taxonRelationship($taxonRelationship, $focusedTaxon) {
2072
  return $taxonRelationship->toTaxon->uuid == $focusedTaxon->uuid;
2073
}
2074

    
2075

    
2076
/**
2077
 * Collects all the media from a list of description elements.
2078
 *
2079
 * @param array $descriptionElements
2080
 *   The description elements from which to collect the media.
2081
 *
2082
 * @return array
2083
 *   The output with all the collected media.
2084
 */
2085
function cdm_dataportal_media_from_descriptionElements($descriptionElements) {
2086

    
2087
  $outArrayOfMedia = array();
2088

    
2089
  // Avoiding a warning box in Drupal for Flora Malesiana.
2090
  if (isset($descriptionElements) && is_array($descriptionElements)) {
2091
    foreach ($descriptionElements as $descriptionElement) {
2092
      if (isset($descriptionElement->media) && is_array($descriptionElement->media)) {
2093
        foreach ($descriptionElement->media as $media) {
2094
          if (is_object($media)) {
2095
            $outArrayOfMedia[] = $media;
2096
          }
2097
        }
2098
      }
2099
    }
2100
  }
2101
  return $outArrayOfMedia;
2102
}
2103

    
2104
/**
2105
 * @todo Please document this function.
2106
 * @see http://drupal.org/node/1354
2107
 *
2108
 * @param array $cdm_entities
2109
 *   An array of CdmBase instances or a single instance.
2110
 * @param string $footnote_list_key_suggestion
2111
 *
2112
 * @return unknown
2113
 */
2114
function cdm_annotations_as_footnotekeys($cdm_entities, $footnote_list_key_suggestion = NULL) {
2115

    
2116
   static $annotations_types_filter = null;
2117
   if(!$annotations_types_filter) {
2118
     $annotations_types_filter = unserialize(ANNOTATIONS_TYPES_AS_FOOTNOTES_DEFAULT);
2119
   }
2120

    
2121
  $footNoteKeys = array();
2122

    
2123
  // Is argument cdmBase an array?
2124
  if (!is_array($cdm_entities)) {
2125
    $cdmBase_array = array();
2126
    $cdmBase_array[] = $cdm_entities;
2127
  }
2128
  else {
2129
    $cdmBase_array = $cdm_entities;
2130
  }
2131

    
2132
  // Getting the key for the footnotemanager.
2133
  if (isset($footnote_list_key_suggestion)) {
2134
    $footnote_list_key = $footnote_list_key_suggestion;
2135
  }
2136
  else {
2137
    $footnote_list_key = RenderHints::getFootnoteListKey() . '-annotations';
2138
  }
2139

    
2140
  // Adding the footnotes keys.
2141
  foreach ($cdmBase_array as $cdmBase_element) {
2142
    $annotations = cdm_ws_getAnnotationsFor($cdmBase_element, variable_get('annotations_types_as_footnotes', $annotations_types_filter));
2143
    if (is_array($annotations)) {
2144
      foreach ($annotations as $annotation) {
2145
        $footNoteKeys[] = FootnoteManager::addNewFootnote($footnote_list_key, $annotation->text);
2146
      }
2147
    }
2148
  }
2149

    
2150
  return $footNoteKeys;
2151
}
2152

    
2153

    
2154
/**
2155
 * Creates a CDM Dynabox.
2156
 *
2157
 * @param string $dynabox_id
2158
 *   a uninque name for tha dynabox, using a cdm entity uuid as id is good practice.
2159
 * @param string $label
2160
 *   The clickable text to show.
2161
 * @param string $content_url
2162
 *   The cdm REST service request url wich will deliver the content to be shown
2163
 *   once the dynabox toggles open.
2164
 * @param string $theme
2165
 *   The theme to be used for rendering the cdm REST service response with is
2166
 *   returned from the $content_url.
2167
 * @param string $link_alt_text
2168
 *   The value for the alt attribute of the dynabox link.
2169
 * @param array $enclosingtags
2170
 *   An array with two elements: $enclosingtags[0] will be used for the dynabox
2171
 *   element itself, $enclosingtags[1] is the tag to be used for the
2172
 *   dynabox_content (optional)
2173
 * @param array $attributes
2174
 * @param $content_element_selector
2175
 *   Optional jQuery selector which can be used to reference a dom element which should
2176
 *   be used as container for the content to be shown. The dynabox-<dynabox id>-content
2177
 *  element will be placed in this container.
2178
 *
2179
 * @param string $open_callback
2180
 *   optional javascript call back function to be triggered after toggling the box to
2181
 *   the open state.
2182
 * @param string $close_callback
2183
 *   optional javascript call back function to be triggered after toggling the box to
2184
 *   the closed state.
2185
 * @return string Returns HTML for a dynabox.
2186
 * Returns HTML for a dynabox.
2187
 */
2188
function cdm_dynabox($dynabox_id, $label, $content_url, $theme, $link_alt_text,
2189
                     $enclosingtags = array('li', 'ul'), $attributes = array(),
2190
                     $content_element_selector = null,
2191
                     $open_callback = 'function(){}', $close_callback = 'function(){}' ) {
2192
  $out = '';
2193

    
2194
  // check for plain class attribute string
2195
  $dynabox_id = preg_replace('/[^a-zA-Z0-9\-]/', '', $dynabox_id);
2196

    
2197
  if(!array_key_exists('class', $attributes)) {
2198
    $attributes['class'] = array();
2199
  }
2200
  $attributes['id'][] = 'dynabox-' . $dynabox_id;
2201
  $dynabox_attributes = drupal_attributes($attributes);
2202

    
2203

    
2204
  _add_js_domEvent(); // requires domEvent.js
2205
  drupal_add_js(drupal_get_path('module', 'cdm_dataportal') . '/js/cdm_dynabox.js');
2206
  drupal_add_js("
2207
  jQuery(document).ready(
2208
      function() {
2209
        dynabox('". $dynabox_id ."',
2210
          {
2211
            open_callback: " . $open_callback .",
2212
            close_callback: " . $close_callback .
2213
            ($content_element_selector ? ",\n content_container_selector: '" . $content_element_selector . "'" : "") . "
2214
          }
2215
        );
2216
      }
2217
   );",
2218
   array(
2219
    'type'=>'inline',
2220
    'scope'=>'footer'
2221
    )
2222
  );
2223

    
2224

    
2225
  $cdm_proxy_url = url('cdm_api/proxy/' . urlencode($content_url) . "/$theme");
2226
  $out .= '<!-- dynabox for ' . $content_url . ' -->';
2227
  $out .= '<' . $enclosingtags[0] . ' ' .  $dynabox_attributes. '><a href="' . $cdm_proxy_url . '" class="label" alt="' . t($link_alt_text) . '">' . $label . '</a>';
2228
  $out .= '  <' . $enclosingtags[1] . ' id="dynabox-' . $dynabox_id . '-content">';
2229
  $out .= '    <' . $enclosingtags[0] . ' class="dynabox-content-inner">' . loading_image_html() . '</' . $enclosingtags[0] . '>';
2230
  $out .= '    </' . $enclosingtags[1] . '>';
2231
  $out .= '  </' . $enclosingtags[0] . '>';
2232
  $out .= '<!-- dynabox end -->';
2233
  return $out;
2234
}
2235

    
2236
/**
2237
 * Checks whether a feature has any description elements.
2238
 *
2239
 * @param mixed $featureNode
2240
 *   A feature node as produced by the function _mergeFeatureTreeDescriptions().
2241
 *
2242
 * @see _mergeFeatureTreeDescriptions()
2243
 *
2244
 * @return bool
2245
 *   Returns TRUE if the given $featureNode or any of its subordinate nodes
2246
 *   contains at least one non empty TextData or at least one DescriptionElement
2247
 *   of an other type. A TextData element holding a multilanguageText or a
2248
 *   source reference is considered to be not empty.
2249
 *
2250
 * @TODO this function may have become obsolete by the new method of detecting empty blocks,
2251
 *       see $block_content_is_not_empty in compose_feature_blocks() and
2252
 *       $feature_block_has_content in compose_feature_block_items_generic
2253
 */
2254
function has_feature_node_description_elements($featureNode) {
2255

    
2256
  if (isset($featureNode->descriptionElements) && is_array($featureNode->descriptionElements) && count($featureNode->descriptionElements) > 0) {
2257
    if(!isset($featureNode->descriptionElements['#type'])){ // #type is used to identify e.g. DTO elements: '#type' => 'DTO'
2258
      foreach ($featureNode->descriptionElements as $descriptionElement) {
2259
        if ($descriptionElement->class != "TextData" || isset($descriptionElement->multilanguageText_L10n->text)
2260
          && $descriptionElement->multilanguageText_L10n->text != ''
2261
          || isset($descriptionElement->sources[0])
2262
          || isset($descriptionElement->media[0]) ) {
2263
          return TRUE;
2264
        }
2265
      }
2266
    }
2267
  }
2268
  else if (isset($featureNode->childNodes) && is_array($featureNode->childNodes)) {
2269
    foreach ($featureNode->childNodes as $child) {
2270
      if (has_feature_node_description_elements($child)) {
2271
        return TRUE;
2272
      }
2273
    }
2274
  }
2275
  return FALSE;
2276
}
2277

    
2278
/**
2279
 * Checks if the current page is a valid taxon portal page and responds with HTTP status 404 (not found) otherwise
2280
 *
2281
 * @param $chapter
2282
 *   The taxon page chapter or part
2283
 */
2284
function cdm_check_valid_taxon_page($chapter){
2285
  static $taxon_tabs = null;
2286

    
2287
  cdm_check_valid_portal_page();
2288

    
2289
  if($taxon_tabs == null){
2290
    $taxon_tabs = array('all', 'description');
2291
    foreach(get_taxon_tabs_list() as $tab){
2292
      $taxon_tabs[] = strtolower($tab);
2293
    }
2294
  }
2295

    
2296
  if(!in_array($chapter, $taxon_tabs)){
2297
    // oops this is not a valid chapter name
2298
    http_response_code(404); // 404 = Not Found
2299
  }
2300

    
2301
}
2302

    
2303
/**
2304
 * Checks if the current page is a valid portal page and responds with HTTP status 404 (not found) otherwise
2305
 *
2306
 * @param $chapter
2307
 *   The taxon page chapter or part
2308
 */
2309
function cdm_check_valid_portal_page(){
2310
  $ends_with_file_suffix_pattern = '/\/[^\.\/]*[\.][^\.\/]*$/';
2311
  if(preg_match($ends_with_file_suffix_pattern, $_GET['q'])){
2312
    // oops this urls ends with a file_suffix and thus does not refer to a portal page
2313
    http_response_code(404); // 404 = Not Found
2314
    exit('HTTP 404');
2315
  }
2316
}
2317

    
2318
/**
2319
 * Generates the diff of the texts and presents it in a HTML diff viewer.
2320
 *
2321
 * @param $text_a
2322
 * @param $text_b
2323
 * @return string
2324
 */
2325
function diff_viewer($text_a, $text_b) {
2326

    
2327
  static $diff_viewer_count = 0;
2328

    
2329
  $element_id = 'part_definitions_diff_' . $diff_viewer_count++;
2330

    
2331
  // http://code.stephenmorley.org/php/diff-implementation/
2332
  module_load_include('php', 'cdm_dataportal', 'lib/class.Diff');
2333
  drupal_add_css(drupal_get_path('module',
2334
      'cdm_dataportal') . '/css/diff.css');
2335
  _add_jquery_ui();
2336
  drupal_add_js(
2337
    'jQuery(document).ready( function(){
2338
        jQuery(\'#' . $element_id . '\').accordion({
2339
        collapsible: true,
2340
        active: false,
2341
        fillSpace: true,
2342
        }).children(\'div\').css({ \'height\': \'auto\' });
2343
        jQuery(\'#' . $element_id . ' table.diff\').prepend(\'<thead><tr><th>Default</th><th>User defined<th></th><tr></thead>\');
2344
     });'
2345
    , array(
2346
    'type' => 'inline',
2347
    'scope' => 'footer'
2348
  ));
2349

    
2350
  $diff = Diff::compare($text_a,
2351
    $text_b);
2352
  $diff_viewer_markup = '<div id="' . $element_id . '"><h3>View Diff</h3><div>'
2353
    . Diff::toTable($diff, '', '')
2354
    . '</div></div>';
2355
  return $diff_viewer_markup;
2356
}
2357

    
2358

    
(10-10/16)