ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
List.php
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1<?php
2
13{
17 public $type = 'list';
21 // lying a little bit, so that we can handle ul and ol ourselves
22 // XXX: This whole business with 'wrap' is all a bit unsatisfactory
23 public $elements = array('li' => true, 'ul' => true, 'ol' => true);
24
31 public function validateChildren($children, $config, $context)
32 {
33 // Flag for subclasses
34 $this->whitespace = false;
35
36 // if there are no tokens, delete parent node
37 if (empty($children)) {
38 return false;
39 }
40
41 // the new set of children
42 $result = array();
43
44 // a little sanity check to make sure it's not ALL whitespace
45 $all_whitespace = true;
46
47 $current_li = false;
48
49 foreach ($children as $node) {
50 if (!empty($node->is_whitespace)) {
51 $result[] = $node;
52 continue;
53 }
54 $all_whitespace = false; // phew, we're not talking about whitespace
55
56 if ($node->name === 'li') {
57 // good
58 $current_li = $node;
59 $result[] = $node;
60 } else {
61 // we want to tuck this into the previous li
62 // Invariant: we expect the node to be ol/ul
63 // ToDo: Make this more robust in the case of not ol/ul
64 // by distinguishing between existing li and li created
65 // to handle non-list elements; non-list elements should
66 // not be appended to an existing li; only li created
67 // for non-list. This distinction is not currently made.
68 if ($current_li === false) {
69 $current_li = new HTMLPurifier_Node_Element('li');
70 $result[] = $current_li;
71 }
72 $current_li->children[] = $node;
73 $current_li->empty = false; // XXX fascinating! Check for this error elsewhere ToDo
74 }
75 }
76 if (empty($result)) {
77 return false;
78 }
79 if ($all_whitespace) {
80 return false;
81 }
82 return $result;
83 }
84}
85
86// vim: et sw=4 sts=4
$result
Definition for list containers ul and ol.
Definition: List.php:13
$type
@type string
Definition: List.php:17
$elements
@type array
Definition: List.php:23
validateChildren($children, $config, $context)
Definition: List.php:31
Defines allowed child nodes and validates nodes against it.
Definition: ChildDef.php:7
Concrete element node class.
Definition: Element.php:7