ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.ilADTText.php
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1<?php
2
3class ilADTText extends ilADT
4{
5 protected $value; // [string]
6
7
8 // definition
9
10 protected function isValidDefinition(ilADTDefinition $a_def)
11 {
12 return ($a_def instanceof ilADTTextDefinition);
13 }
14
15 public function reset()
16 {
17 parent::reset();
18
19 $this->value = null;
20 }
21
22
23 // properties
24
25 public function setText($a_value = null)
26 {
27 if($a_value !== null)
28 {
29 $a_value = trim($a_value);
30 }
31 $this->value = $a_value;
32 }
33
34 public function getText()
35 {
36 return $this->value;
37 }
38
39 public function getLength()
40 {
41 // see ilStr::strLen();
42 // not using ilStr to reduce dependencies in this low-level code
43
44 if(function_exists("mb_strlen"))
45 {
46 return mb_strlen($this->getText(), "UTF-8");
47 }
48 else
49 {
50 return strlen($this->getText());
51 }
52 }
53
54
55 // comparison
56
57 public function equals(ilADT $a_adt)
58 {
59 if($this->getDefinition()->isComparableTo($a_adt))
60 {
61 return !strcmp($this->getText(), $a_adt->getText());
62 }
63 }
64
65 public function isLarger(ilADT $a_adt)
66 {
67 // return null?
68 }
69
70 public function isSmaller(ilADT $a_adt)
71 {
72 // return null?
73 }
74
75
76 // null
77
78 public function isNull()
79 {
80 return !(bool)$this->getLength();
81 }
82
83
84 // validation
85
86 public function isValid()
87 {
88 $valid = parent::isValid();
89
90 if(!$this->isNull())
91 {
92 $max = $this->getDefinition()->getMaxLength();
93 if($max && $max < $this->getLength())
94 {
95 $valid = false;
96 $this->addValidationError(self::ADT_VALIDATION_ERROR_MAX_LENGTH);
97 }
98 }
99
100 return $valid;
101 }
102
103
104 // check
105
106 public function getCheckSum()
107 {
108 if(!$this->isNull())
109 {
110 return md5($this->getText());
111 }
112 }
113}
114
115?>
ADT definition base class.
reset()
Init property defaults.
isValid()
Is currently valid.
isNull()
Is currently null.
getCheckSum()
Get unique checksum.
isLarger(ilADT $a_adt)
Check if given ADT is larger than self.
equals(ilADT $a_adt)
Check if given ADT equals self.
setText($a_value=null)
isValidDefinition(ilADTDefinition $a_def)
Check if definition is valid for ADT.
isSmaller(ilADT $a_adt)
Check if given ADT is smaller than self.
ADT base class.
Definition: class.ilADT.php:12
addValidationError($a_error_code)
Add validation error code.
getDefinition()
Get definition.
Definition: class.ilADT.php:99
$valid