summaryrefslogtreecommitdiff
path: root/kolab.org/www/drupal-7.15/sites/all/modules/views/includes/base.inc
blob: 0e2a4078fe5bfd16657c953ecb95a74b8ca37cd7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
<?php

/**
 * @file
 * Provides the basic object definitions used by plugins and handlers.
 */

/**
 * Basic definition for many views objects.
 */
class views_object {
  /**
   * Except for displays, options for the object will be held here.
   */
  var $options = array();

  /**
   * The top object of a view.
   *
   * @var view
   */
  var $view = NULL;

  /**
   * Handler's definition
   *
   * @var array
   */
  var $definition;

  /**
   * Information about options for all kinds of purposes will be held here.
   * @code
   * 'option_name' => array(
   *  - 'default' => default value,
   *  - 'translatable' => (optional) TRUE/FALSE (wrap in t() on export if true),
   *  - 'contains' => (optional) array of items this contains, with its own
   *      defaults, etc. If contains is set, the default will be ignored and
   *      assumed to be array().
   *  - 'bool' => (optional) TRUE/FALSE Is the value a boolean value. This will
   *      change the export format to TRUE/FALSE instead of 1/0.
   *  - 'export' => (optional) FALSE or a callback for special export handling
   *      if necessary.
   *  - 'unpack_translatable' => (optional) callback for special handling for
   *      translating data within the option, if necessary.
   *  ),
   *
   * @return array
   *   Returns the options of this handler/plugin.
   *
   * @see views_object::export_option()
   * @see views_object::export_option_always()
   * @see views_object::unpack_translatable()
   */
  function option_definition() { return array(); }

  /**
   * Views handlers use a special construct function so that we can more
   * easily construct them with variable arguments.
   */
  function construct() { $this->set_default_options(); }

  /**
   * Set default options on this object. Called by the constructor in a
   * complex chain to deal with backward compatibility.
   *
   * @deprecated since views2
   */
  function options(&$options) { }

  /**
   * Set default options.
   * For backward compatibility, it sends the options array; this is a
   * feature that will likely disappear at some point.
   */
  function set_default_options() {
    $this->_set_option_defaults($this->options, $this->option_definition());

    // Retained for complex defaults plus backward compatibility.
    $this->options($this->options);
  }

  function _set_option_defaults(&$storage, $options, $level = 0) {
    foreach ($options as $option => $definition) {
      if (isset($definition['contains']) && is_array($definition['contains'])) {
        $storage[$option] = array();
        $this->_set_option_defaults($storage[$option], $definition['contains'], $level++);
      }
      elseif (!empty($definition['translatable']) && !empty($definition['default'])) {
        $storage[$option] = t($definition['default']);
      }
      else {
        $storage[$option] = isset($definition['default']) ? $definition['default'] : NULL;
      }
    }
  }

  /**
   * Unpack options over our existing defaults, drilling down into arrays
   * so that defaults don't get totally blown away.
   */
  function unpack_options(&$storage, $options, $definition = NULL, $all = TRUE, $check = TRUE, $localization_keys = array()) {
    if ($check && !is_array($options)) {
      return;
    }

    if (!isset($definition)) {
      $definition = $this->option_definition();
    }

    if (!empty($this->view)) {
      // Ensure we have a localization plugin.
      $this->view->init_localization();

      // Set up default localization keys. Handlers and such set this for us
      if (empty($localization_keys) && isset($this->localization_keys)) {
        $localization_keys = $this->localization_keys;
      }
      // but plugins don't because there isn't a common init() these days.
      else if (!empty($this->is_plugin)) {
        if ($this->plugin_type != 'display') {
          $localization_keys = array($this->view->current_display);
          $localization_keys[] = $this->plugin_type;
        }
      }
    }

    foreach ($options as $key => $value) {
      if (is_array($value)) {
        // Ignore arrays with no definition.
        if (!$all && empty($definition[$key])) {
          continue;
        }

        if (!isset($storage[$key]) || !is_array($storage[$key])) {
          $storage[$key] = array();
        }

        // If we're just unpacking our known options, and we're dropping an
        // unknown array (as might happen for a dependent plugin fields) go
        // ahead and drop that in.
        if (!$all && isset($definition[$key]) && !isset($definition[$key]['contains'])) {
          $storage[$key] = $value;
          continue;
        }

        $this->unpack_options($storage[$key], $value, isset($definition[$key]['contains']) ? $definition[$key]['contains'] : array(), $all, FALSE, array_merge($localization_keys, array($key)));
      }
      // Don't localize strings during editing. When editing, we need to work with
      // the original data, not the translated version.
      else if (empty($this->view->editing) && !empty($definition[$key]['translatable']) && !empty($value) || !empty($definition['contains'][$key]['translatable']) && !empty($value)) {
        if (!empty($this->view) && $this->view->is_translatable()) {
          // Allow other modules to make changes to the string before it's
          // sent for translation.
          // The $keys array is built from the view name, any localization keys
          // sent in, and the name of the property being processed.
          $format = NULL;
          if (isset($definition[$key]['format_key']) && isset($options[$definition[$key]['format_key']])) {
            $format = $options[$definition[$key]['format_key']];
          }
          $translation_data = array(
            'value' => $value,
            'format' => $format,
            'keys' => array_merge(array($this->view->name), $localization_keys, array($key)),
          );
          $storage[$key] = $this->view->localization_plugin->translate($translation_data);
        }
        // Otherwise, this is a code-based string, so we can use t().
        else {
          $storage[$key] = t($value);
        }
      }
      else if ($all || !empty($definition[$key])) {
        $storage[$key] = $value;
      }
    }
  }

  /**
   * Let the handler know what its full definition is.
   */
  function set_definition($definition) {
    $this->definition = $definition;
    if (isset($definition['field'])) {
      $this->real_field = $definition['field'];
    }
  }

  function destroy() {
    if (isset($this->view)) {
      unset($this->view);
    }

    if (isset($this->display)) {
      unset($this->display);
    }

    if (isset($this->query)) {
      unset($this->query);
    }
  }

  function export_options($indent, $prefix) {
    $output = '';
    foreach ($this->option_definition() as $option => $definition) {
      $output .= $this->export_option($indent, $prefix, $this->options, $option, $definition, array());
    }

    return $output;
  }

  function export_option($indent, $prefix, $storage, $option, $definition, $parents) {
    // Do not export options for which we have no settings.
    if (!isset($storage[$option])) {
      return;
    }

    if (isset($definition['export'])) {
      if ($definition['export'] === FALSE) {
        return;
      }

      // Special handling for some items
      if (method_exists($this, $definition['export'])) {
        return $this->{$definition['export']}($indent, $prefix, $storage, $option, $definition, $parents);
      }
    }

    // Add the current option to the parents tree.
    $parents[] = $option;
    $output = '';

    // If it has child items, export those separately.
    if (isset($definition['contains'])) {
      foreach ($definition['contains'] as $sub_option => $sub_definition) {
        $output .= $this->export_option($indent, $prefix, $storage[$option], $sub_option, $sub_definition, $parents);
      }
    }
    // Otherwise export just this item.
    else {
      $default = isset($definition['default']) ? $definition['default'] : NULL;
      $value = $storage[$option];
      if (isset($definition['bool'])) {
        $value = (bool) $value;
      }

      if ($value !== $default) {
        $output .= $indent . $prefix . "['" . implode("']['", $parents) . "'] = ";
        if (isset($definition['bool'])) {
          $output .= empty($storage[$option]) ? 'FALSE' : 'TRUE';
        }
        else {
          $output .= views_var_export($storage[$option], $indent);
        }

        $output .= ";\n";
      }
    }
    return $output;
  }

  /**
   * Always exports the option, regardless of the default value.
   */
  function export_option_always($indent, $prefix, $storage, $option, $definition, $parents) {
    // If there is no default, the option will always be exported.
    unset($definition['default']);
    // Unset our export method to prevent recursion.
    unset($definition['export']);
    return $this->export_option($indent, $prefix, $storage, $option, $definition, $parents);
  }

  /**
   * Unpacks each handler to store translatable texts.
   */
  function unpack_translatables(&$translatable, $parents = array()) {
    foreach ($this->option_definition() as $option => $definition) {
      $this->unpack_translatable($translatable, $this->options, $option, $definition, $parents, array());
    }
  }

  /**
   * Unpack a single option definition.
   *
   * This function run's through all suboptions recursive.
   *
   * @param $translatable
   *   Stores all available translatable items.
   * @param $storage
   * @param $option
   * @param $definition
   * @param $parents
   * @param $keys
   */
  function unpack_translatable(&$translatable, $storage, $option, $definition, $parents, $keys = array()) {
    // Do not export options for which we have no settings.
    if (!isset($storage[$option])) {
      return;
    }

    // Special handling for some items
    if (isset($definition['unpack_translatable']) && method_exists($this, $definition['unpack_translatable'])) {
      return $this->{$definition['unpack_translatable']}($translatable, $storage, $option, $definition, $parents, $keys);
    }

    if (isset($definition['translatable'])) {
      if ($definition['translatable'] === FALSE) {
        return;
      }
    }

    // Add the current option to the parents tree.
    $parents[] = $option;

    // If it has child items, unpack those separately.
    if (isset($definition['contains'])) {
      foreach ($definition['contains'] as $sub_option => $sub_definition) {
        $translation_keys = array_merge($keys, array($sub_option));
        $this->unpack_translatable($translatable, $storage[$option], $sub_option, $sub_definition, $parents, $translation_keys);
      }
    }

    // @todo Figure out this double definition stuff.
    $options = $storage[$option];
    if (is_array($options)) {
      foreach ($options as $key => $value) {
        $translation_keys = array_merge($keys, array($key));
        if (is_array($value)) {
          $this->unpack_translatable($translatable, $options, $key, $definition, $parents, $translation_keys);
        }
        else if (!empty($definition[$key]['translatable']) && !empty($value)) {
          // Build source data and add to the array
          $format = NULL;
          if (isset($definition['format_key']) && isset($options[$definition['format_key']])) {
            $format = $options[$definition['format_key']];
          }
          $translatable[] = array(
            'value' => $value,
            'keys' => $translation_keys,
            'format' => $format,
          );
        }
      }
    }
    else if (!empty($definition['translatable']) && !empty($options)) {
      $value = $options;
      // Build source data and add to the array
      $format = NULL;
      if (isset($definition['format_key']) && isset($options[$definition['format_key']])) {
        $format = $options[$definition['format_key']];
      }
      $translatable[] = array(
        'value' => $value,
        'keys' => isset($translation_keys) ? $translation_keys : $parents,
        'format' => $format,
      );
    }
  }
}