XOOPS 2.5.6  Final
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Background.php
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1 <?php
2 
8 {
9 
14  protected $info;
15 
16  public function __construct($config) {
17  $def = $config->getCSSDefinition();
18  $this->info['background-color'] = $def->info['background-color'];
19  $this->info['background-image'] = $def->info['background-image'];
20  $this->info['background-repeat'] = $def->info['background-repeat'];
21  $this->info['background-attachment'] = $def->info['background-attachment'];
22  $this->info['background-position'] = $def->info['background-position'];
23  }
24 
25  public function validate($string, $config, $context) {
26 
27  // regular pre-processing
28  $string = $this->parseCDATA($string);
29  if ($string === '') return false;
30 
31  // munge rgb() decl if necessary
32  $string = $this->mungeRgb($string);
33 
34  // assumes URI doesn't have spaces in it
35  $bits = explode(' ', strtolower($string)); // bits to process
36 
37  $caught = array();
38  $caught['color'] = false;
39  $caught['image'] = false;
40  $caught['repeat'] = false;
41  $caught['attachment'] = false;
42  $caught['position'] = false;
43 
44  $i = 0; // number of catches
45  $none = false;
46 
47  foreach ($bits as $bit) {
48  if ($bit === '') continue;
49  foreach ($caught as $key => $status) {
50  if ($key != 'position') {
51  if ($status !== false) continue;
52  $r = $this->info['background-' . $key]->validate($bit, $config, $context);
53  } else {
54  $r = $bit;
55  }
56  if ($r === false) continue;
57  if ($key == 'position') {
58  if ($caught[$key] === false) $caught[$key] = '';
59  $caught[$key] .= $r . ' ';
60  } else {
61  $caught[$key] = $r;
62  }
63  $i++;
64  break;
65  }
66  }
67 
68  if (!$i) return false;
69  if ($caught['position'] !== false) {
70  $caught['position'] = $this->info['background-position']->
71  validate($caught['position'], $config, $context);
72  }
73 
74  $ret = array();
75  foreach ($caught as $value) {
76  if ($value === false) continue;
77  $ret[] = $value;
78  }
79 
80  if (empty($ret)) return false;
81  return implode(' ', $ret);
82 
83  }
84 
85 }
86 
87 // vim: et sw=4 sts=4