/[drupal]/contributions/modules/computed_field/computed_field.module
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revision 1.17.2.7, Fri Jul 31 23:26:18 2009 UTC revision 1.17.2.8, Fri Jul 31 23:38:42 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id: computed_field.module,v 1.17.2.6 2009/05/19 00:44:17 moonshine Exp $  // $Id: computed_field.module,v 1.17.2.7 2009/07/31 23:26:18 pl2 Exp $
3    
4  /**  /**
5   * Implementation of cck hook_field_info()   * Implementation of cck hook_field_info()
# Line 24  function computed_field_field_settings($ Line 24  function computed_field_field_settings($
24    switch ($op) {    switch ($op) {
25      case 'form':      case 'form':
26        $form = array();        $form = array();
27          $compute_func = 'computed_field_'. $field['field_name'] .'_compute';
28          $display_func = 'computed_field_'. $field['field_name'] .'_display';
29        // these next 3 have been moved from widget to field, so they copy default values from widget        // these next 3 have been moved from widget to field, so they copy default values from widget
30        $form['code'] = array(        $form['code'] = array(
31          '#type' => 'textarea',          '#type' => 'textarea',
32          '#rows' => 15,          '#rows' => 15,
33          '#title' => t('Computed Code'),          '#title' => t('Computed Code'),
34          '#description' => t('The variables available to your code are: ') .'<code>&amp;$node, $field, and &amp;$node_field</code>'. t('. To set the value of the field, set ') .'<code>$node_field[0][\'value\']</code>'. t('. Here\'s a simple example which sets the computed field\'s value to the value of the sum of the number fields field_a and field_b: ') .'<code>$node_field[0][\'value\'] = $node->field_a[0][\'value\'] + $node->field_b[0][\'value\'];</code>',          '#description' => t('The variables available to your code are: ') .'<code>&amp;$node, $field, and &amp;$node_field</code>'. t('. To set the value of the field, set ') .'<code>$node_field[0][\'value\']</code>'. t('. Here\'s a simple example which sets the computed field\'s value to the value of the sum of the number fields field_a and field_b: ') .'<code>$node_field[0][\'value\'] = $node->field_a[0][\'value\'] + $node->field_b[0][\'value\'];</code>. '. t('Alternately, this code can be supplied by your own custom function named @compute_func().', array('@compute_func' => $compute_func)),
35          '#default_value' => !empty($field['code']) ? $field['code'] : '$node_field[0][\'value\'] = "";',          '#default_value' => !empty($field['code']) ? $field['code'] : '$node_field[0][\'value\'] = "";',
36            '#access' => !function_exists($compute_func),
37        );        );
38          if (function_exists($compute_func)) {
39            $form['compute_func'] = array(
40            '#type' => 'item',
41            '#value' => t('This field is computed using @compute_func().', array('@compute_func' => $compute_func)),
42            );
43          }
44        $form['display_format'] = array(        $form['display_format'] = array(
45          '#type' => 'textarea',          '#type' => 'textarea',
46          '#title' => t('Display Format'),          '#title' => t('Display Format'),
47          '#description' => t('This code should assign a string to the $display variable, which will be printed as the value of the field. The stored value of the field is in $node_field_item[\'value\'].  Note: this code has no effect if you use the "Computed Value" formatter option.'),          '#description' => t('This code should assign a string to the $display variable, which will be printed as the value of the field. The stored value of the field is in $node_field_item[\'value\'].  Note: this code has no effect if you use the "Computed Value" formatter option. Alternately, this code can be supplied by your own custom function named @display_func().', array('@display_func' => $display_func)) ,
48          '#default_value' => !empty($field['display_format']) ? $field['display_format'] : '$display = $node_field_item[\'value\'];',          '#default_value' => !empty($field['display_format']) ? $field['display_format'] : '$display = $node_field_item[\'value\'];',
49            '#access' => !function_exists($display_func),
50        );        );
51          if (function_exists($display_func)) {
52            $form['display_func'] = array(
53              '#type' => 'item',
54              '#value' => t('This field is computed using @display_func().', array('@display_func' => $display_func)),
55              );
56          }
57        $form['store'] = array(        $form['store'] = array(
58          '#type' => 'checkbox',          '#type' => 'checkbox',
59          '#title' => t('Store using the database settings below'),          '#title' => t('Store using the database settings below'),
# Line 135  function computed_field_field_settings($ Line 151  function computed_field_field_settings($
151  }  }
152    
153  function _computed_field_compute_value(&$node, $field, &$node_field) {  function _computed_field_compute_value(&$node, $field, &$node_field) {
154    if (isset($field['code'])) {    // Allow the value to be computed from code not stored in DB
155      eval($field['code']);    $compute_func = 'computed_field_'. $field['field_name'] .'_compute';
156      if (function_exists($compute_func)) {
157        $compute_func($node, $field, $node_field);
158      }
159      else {
160        if (isset($field['code'])) {
161          eval($field['code']);
162        }
163    }    }
164  }  }
165    
# Line 264  function theme_computed_field_formatter_ Line 287  function theme_computed_field_formatter_
287    $field = content_fields($element['#field_name']);    $field = content_fields($element['#field_name']);
288    // For "some" backwards compatibility    // For "some" backwards compatibility
289    $node_field_item['value'] = $element['#item']['value'];    $node_field_item['value'] = $element['#item']['value'];
290    eval($field['display_format']);  
291      // Allow the value to be formated from code not stored in DB
292      $display_func = 'computed_field_'. $field['field_name'] .'_display';
293      if (function_exists($display_func)) {
294        $display = $display_func($field, $element);
295      }
296      else {
297        eval($field['display_format']);
298      }
299    return $display;    return $display;
300  }  }
301    
# Line 275  function theme_computed_field_formatter_ Line 306  function theme_computed_field_formatter_
306    $field = content_fields($element['#field_name']);    $field = content_fields($element['#field_name']);
307    // For "some" backwards compatibility    // For "some" backwards compatibility
308    $node_field_item['value'] = $element['#item']['value'];    $node_field_item['value'] = $element['#item']['value'];
309    eval($field['display_format']);  
310      // Allow the value to be formated from code not stored in DB
311      $display_func = 'computed_field_'. $field['field_name'] .'_display';
312      if (function_exists($display_func)) {
313        $display = $display_func($field, $element);
314      }
315      else {
316        eval($field['display_format']);
317      }
318    return check_plain($display);    return check_plain($display);
319  }  }
320    
# Line 286  function theme_computed_field_formatter_ Line 325  function theme_computed_field_formatter_
325    $field = content_fields($element['#field_name']);    $field = content_fields($element['#field_name']);
326    // For "some" backwards compatibility    // For "some" backwards compatibility
327    $node_field_item['value'] = $element['#item']['value'];    $node_field_item['value'] = $element['#item']['value'];
328    eval($field['display_format']);  
329      // Allow the value to be formated from code not stored in DB
330      $display_func = 'computed_field_'. $field['field_name'] .'_display';
331      if (function_exists($display_func)) {
332        $display = $display_func($field, $element);
333      }
334      else {
335        eval($field['display_format']);
336      }
337    return check_markup($display);    return check_markup($display);
338  }  }
339    
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