|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace SilverStripe\ElementalBlocks\Form; |
|
4
|
|
|
|
|
5
|
|
|
use SilverStripe\CMS\Model\SiteTree; |
|
6
|
|
|
use SilverStripe\Core\Convert; |
|
7
|
|
|
use SilverStripe\Forms\FormField; |
|
8
|
|
|
use SilverStripe\ORM\DataObject; |
|
9
|
|
|
use SilverStripe\View\ArrayData; |
|
10
|
|
|
|
|
11
|
|
|
class BlockLinkField extends FormField |
|
12
|
|
|
{ |
|
13
|
|
|
/** |
|
14
|
|
|
* Cache for parsed value |
|
15
|
|
|
* |
|
16
|
|
|
* @var ArrayData |
|
17
|
|
|
*/ |
|
18
|
|
|
protected $parsedValue; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* Whether to show the "link text" field |
|
22
|
|
|
* |
|
23
|
|
|
* @var bool |
|
24
|
|
|
*/ |
|
25
|
|
|
protected $showLinkText = true; |
|
26
|
|
|
|
|
27
|
|
|
public function Type() |
|
28
|
|
|
{ |
|
29
|
|
|
return 'block-link-field'; |
|
30
|
|
|
} |
|
31
|
|
|
|
|
32
|
|
|
/** |
|
33
|
|
|
* Reset the cached parsed value when setting a new value |
|
34
|
|
|
* |
|
35
|
|
|
* {@inheritDoc} |
|
36
|
|
|
*/ |
|
37
|
|
|
public function setValue($value, $data = null) |
|
38
|
|
|
{ |
|
39
|
|
|
$this->parsedValue = null; |
|
40
|
|
|
return parent::setValue($value, $data); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* Return a parsed {@link ArrayData} object from the contents of the JSON value. Will |
|
45
|
|
|
* be cached for future use, and the cache will be reset via setValue each time. |
|
46
|
|
|
* |
|
47
|
|
|
* @return ArrayData |
|
48
|
|
|
*/ |
|
49
|
|
|
public function getParsedValue() |
|
50
|
|
|
{ |
|
51
|
|
|
if ($this->parsedValue) { |
|
52
|
|
|
return $this->parsedValue; |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
$parsedValue = Convert::json2array($this->dataValue()); |
|
56
|
|
|
return $this->parsedValue = ArrayData::create((array) $parsedValue); |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* Get whether a {@link SiteTree} link has been defined on this link field |
|
61
|
|
|
* |
|
62
|
|
|
* @return bool |
|
63
|
|
|
*/ |
|
64
|
|
|
public function getLinkDefined() |
|
65
|
|
|
{ |
|
66
|
|
|
return (bool) $this->getParsedValue()->PageID; |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
/** |
|
70
|
|
|
* Get the linked {@link SiteTree} object, if available |
|
71
|
|
|
* |
|
72
|
|
|
* @return SiteTree|null |
|
73
|
|
|
*/ |
|
74
|
|
|
public function getLinkPage() |
|
75
|
|
|
{ |
|
76
|
|
|
$pageId = (int) $this->getParsedValue()->PageID; |
|
77
|
|
|
if (!$pageId) { |
|
78
|
|
|
return null; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
return DataObject::get_by_id(SiteTree::class, $pageId); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* Get the relative URL for the linked {@link SiteTree} object, with a leading slash |
|
86
|
|
|
* |
|
87
|
|
|
* @return string |
|
88
|
|
|
*/ |
|
89
|
|
|
public function getLinkRelativeUrl() |
|
90
|
|
|
{ |
|
91
|
|
|
$page = $this->getLinkPage(); |
|
92
|
|
|
|
|
93
|
|
|
return $page ? '/' . ltrim($page->URLSegment, '/') : ''; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* Get the link text/title |
|
98
|
|
|
* |
|
99
|
|
|
* @return string |
|
100
|
|
|
*/ |
|
101
|
|
|
public function getLinkText() |
|
102
|
|
|
{ |
|
103
|
|
|
return trim($this->getParsedValue()->Text); |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
|
/** |
|
107
|
|
|
* Get the link "description", used for titles or alt text |
|
108
|
|
|
* |
|
109
|
|
|
* @return string |
|
110
|
|
|
*/ |
|
111
|
|
|
public function getLinkDescription() |
|
112
|
|
|
{ |
|
113
|
|
|
return $this->getParsedValue()->Description; |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
/** |
|
117
|
|
|
* Get whether to open the link in a new window |
|
118
|
|
|
* |
|
119
|
|
|
* @return bool |
|
120
|
|
|
*/ |
|
121
|
|
|
public function getLinkTargetBlank() |
|
122
|
|
|
{ |
|
123
|
|
|
return (bool) $this->getParsedValue()->TargetBlank; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
/** |
|
127
|
|
|
* Set whether to display the link text field |
|
128
|
|
|
* |
|
129
|
|
|
* @param bool $showLinkText |
|
130
|
|
|
* @return $this |
|
131
|
|
|
*/ |
|
132
|
|
|
public function setShowLinkText($showLinkText) |
|
133
|
|
|
{ |
|
134
|
|
|
$this->showLinkText = (bool) $showLinkText; |
|
135
|
|
|
|
|
136
|
|
|
$this->setAttribute('data-showlinktext', (int) $this->showLinkText); |
|
137
|
|
|
|
|
138
|
|
|
return $this; |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
/** |
|
142
|
|
|
* Get whether to display the link text field |
|
143
|
|
|
* |
|
144
|
|
|
* @return bool |
|
145
|
|
|
*/ |
|
146
|
|
|
public function getShowLinkText() |
|
147
|
|
|
{ |
|
148
|
|
|
return $this->showLinkText; |
|
149
|
|
|
} |
|
150
|
|
|
} |
|
151
|
|
|
|
silverstripe /
silverstripe-elemental-blocks
