radio.php at 3.1.5 · Advanced Custom Fields (ACF®)

advanced-custom-fields / core / fields / radio.php

radio.php

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1	<?php
2
3	class acf_Radio extends acf_Field
4	{
5
6	/*--------------------------------------------------------------------------------------
7	*
8	* Constructor
9	*
10	* @author Elliot Condon
11	* @since 1.0.0
12	* @updated 2.2.0
13	*
14	-------------------------------------------------------------------------------------/
15
16	function __construct($parent)
17	{
18	parent::__construct($parent);
19
20	$this->name = 'radio';
21	$this->title = __('Radio Button','acf');
22
23	}
24
25
26	/*--------------------------------------------------------------------------------------
27	*
28	* create_field
29	*
30	* @author Elliot Condon
31	* @since 2.0.5
32	* @updated 2.2.0
33	*
34	-------------------------------------------------------------------------------------/
35
36	function create_field($field)
37	{
38	// defaults
39	$field['layout'] = isset($field['layout']) ? $field['layout'] : 'vertical';
40	$field['choices'] = isset($field['choices']) ? $field['choices'] : array();
41
42	// no choices
43	if(empty($field['choices']))
44	{
45	echo '<p>' . __("No choices to choose from",'acf') . '</p>';
46	return false;
47	}
48
49	echo '<ul class="radio_list ' . $field['class'] . ' ' . $field['layout'] . '">';
50
51	$i = 0;
52	foreach($field['choices'] as $key => $value)
53	{
54	$i++;
55
56	// if there is no value and this is the first of the choices and there is no "0" choice, select this on by default
57	// the 0 choice would normally match a no value. This needs to remain possible for the create new field to work.
58	if(!$field['value'] && $i == 1 && !isset($field['choices']['0']))
59	{
60	$field['value'] = $key;
61	}
62
63	$selected = '';
64
65	if($key == $field['value'])
66	{
67	$selected = 'checked="checked" data-checked="checked"';
68	}
69
70	echo '<li><label><input type="radio" name="' . $field['name'] . '" value="' . $key . '" ' . $selected . ' />' . $value . '</label></li>';
71	}
72
73	echo '</ul>';
74
75	}
76
77
78	/*--------------------------------------------------------------------------------------
79	*
80	* create_options
81	*
82	* @author Elliot Condon
83	* @since 2.0.6
84	* @updated 2.2.0
85	*
86	-------------------------------------------------------------------------------------/
87
88	function create_options($key, $field)
89	{
90	// defaults
91	$field['layout'] = isset($field['layout']) ? $field['layout'] : 'vertical';
92	$field['default_value'] = isset($field['default_value']) ? $field['default_value'] : '';
93
94
95	// implode checkboxes so they work in a textarea
96	if(isset($field['choices']) && is_array($field['choices']))
97	{
98	foreach($field['choices'] as $choice_key => $choice_val)
99	{
100	$field['choices'][$choice_key] = $choice_key.' : '.$choice_val;
101	}
102	$field['choices'] = implode("\n", $field['choices']);
103	}
104	else
105	{
106	$field['choices'] = "";
107	}
108
109	?>
110
111
112	<tr class="field_option field_option_<?php echo $this->name; ?>">
113	<td class="label">
114	<label for=""><?php _e("Choices",'acf'); ?></label>
115	<p class="description"><?php _e("Enter your choices one per line<br />
116	<br />
117	Red<br />
118	Blue<br />
119	<br />
120	or<br />
121	<br />
122	red : Red<br />
123	blue : Blue",'acf'); ?></p>
124	</td>
125	<td>
126	<textarea rows="5" name="fields[<?php echo $key; ?>][choices]" id=""><?php echo $field['choices']; ?></textarea>
127	</td>
128	</tr>
129	<tr class="field_option field_option_<?php echo $this->name; ?>">
130	<td class="label">
131	<label><?php _e("Default Value",'acf'); ?></label>
132	</td>
133	<td>
134	<?php
135	$this->parent->create_field(array(
136	'type' => 'text',
137	'name' => 'fields['.$key.'][default_value]',
138	'value' => $field['default_value'],
139	));
140	?>
141	</td>
142	</tr>
143	<tr class="field_option field_option_<?php echo $this->name; ?>">
144	<td class="label">
145	<label for=""><?php _e("Layout",'acf'); ?></label>
146	</td>
147	<td>
148	<?php
149	$this->parent->create_field(array(
150	'type' => 'radio',
151	'name' => 'fields['.$key.'][layout]',
152	'value' => $field['layout'],
153	'layout' => 'horizontal',
154	'choices' => array(
155	'vertical' => 'Vertical',
156	'horizontal' => 'Horizontal'
157	)
158	));
159	?>
160	</td>
161	</tr>
162
163
164	<?php
165	}
166
167
168	/*--------------------------------------------------------------------------------------
169	*
170	* pre_save_field
171	* - called just before saving the field to the database.
172	*
173	* @author Elliot Condon
174	* @since 2.2.0
175	*
176	-------------------------------------------------------------------------------------/
177
178	function pre_save_field($field)
179	{
180	// defaults
181	$field['choices'] = isset($field['choices']) ? $field['choices'] : '';
182
183	// vars
184	$new_choices = array();
185
186	// explode choices from each line
187	if(strpos($field['choices'], "\n") !== false)
188	{
189	// found multiple lines, explode it
190	$field['choices'] = explode("\n", $field['choices']);
191	}
192	else
193	{
194	// no multiple lines!
195	$field['choices'] = array($field['choices']);
196	}
197
198	// key => value
199	foreach($field['choices'] as $choice)
200	{
201	if(strpos($choice, ' : ') !== false)
202	{
203	$choice = explode(' : ', $choice);
204	$new_choices[trim($choice[0])] = trim($choice[1]);
205	}
206	else
207	{
208	$new_choices[trim($choice)] = trim($choice);
209	}
210	}
211
212	// update choices
213	$field['choices'] = $new_choices;
214
215	// return updated field
216	return $field;
217
218	}
219	}
220
221	?>