radio.php at 3.0.4 · 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'] . ' ' . $field['layout'] . '">';
50
51	foreach($field['choices'] as $key => $value)
52	{
53	$selected = '';
54
55	if($key == $field['value'])
56	{
57	$selected = 'checked="checked" data-checked="checked"';
58	}
59
60	echo '<li><label><input type="radio" name="' . $field['name'] . '" value="' . $key . '" ' . $selected . ' />' . $value . '</label></li>';
61	}
62
63	echo '</ul>';
64
65	}
66
67
68	/*--------------------------------------------------------------------------------------
69	*
70	* create_options
71	*
72	* @author Elliot Condon
73	* @since 2.0.6
74	* @updated 2.2.0
75	*
76	-------------------------------------------------------------------------------------/
77
78	function create_options($key, $field)
79	{
80	// defaults
81	$field['layout'] = isset($field['layout']) ? $field['layout'] : 'vertical';
82	$field['default_value'] = isset($field['default_value']) ? $field['default_value'] : '';
83
84
85	// implode checkboxes so they work in a textarea
86	if(isset($field['choices']) && is_array($field['choices']))
87	{
88	foreach($field['choices'] as $choice_key => $choice_val)
89	{
90	$field['choices'][$choice_key] = $choice_key.' : '.$choice_val;
91	}
92	$field['choices'] = implode("\n", $field['choices']);
93	}
94	else
95	{
96	$field['choices'] = "";
97	}
98
99	?>
100
101
102	<tr class="field_option field_option_<?php echo $this->name; ?>">
103	<td class="label">
104	<label for=""><?php _e("Choices",'acf'); ?></label>
105	<p class="description"><?php _e("Enter your choices one per line<br />
106	<br />
107	Red<br />
108	Blue<br />
109	<br />
110	or<br />
111	<br />
112	red : Red<br />
113	blue : Blue",'acf'); ?></p>
114	</td>
115	<td>
116	<textarea rows="5" name="fields[<?php echo $key; ?>][choices]" id=""><?php echo $field['choices']; ?></textarea>
117	</td>
118	</tr>
119	<tr class="field_option field_option_<?php echo $this->name; ?>">
120	<td class="label">
121	<label><?php _e("Default Value",'acf'); ?></label>
122	</td>
123	<td>
124	<?php
125	$this->parent->create_field(array(
126	'type' => 'text',
127	'name' => 'fields['.$key.'][default_value]',
128	'value' => $field['default_value'],
129	));
130	?>
131	</td>
132	</tr>
133	<tr class="field_option field_option_<?php echo $this->name; ?>">
134	<td class="label">
135	<label for=""><?php _e("Layout",'acf'); ?></label>
136	</td>
137	<td>
138	<?php
139	$this->parent->create_field(array(
140	'type' => 'radio',
141	'name' => 'fields['.$key.'][layout]',
142	'value' => $field['layout'],
143	'layout' => 'horizontal',
144	'choices' => array(
145	'vertical' => 'Vertical',
146	'horizontal' => 'Horizontal'
147	)
148	));
149	?>
150	</td>
151	</tr>
152
153
154	<?php
155	}
156
157
158	/*--------------------------------------------------------------------------------------
159	*
160	* pre_save_field
161	* - called just before saving the field to the database.
162	*
163	* @author Elliot Condon
164	* @since 2.2.0
165	*
166	-------------------------------------------------------------------------------------/
167
168	function pre_save_field($field)
169	{
170	// defaults
171	$field['choices'] = isset($field['choices']) ? $field['choices'] : '';
172
173	// vars
174	$new_choices = array();
175
176	// explode choices from each line
177	if(strpos($field['choices'], "\n") !== false)
178	{
179	// found multiple lines, explode it
180	$field['choices'] = explode("\n", $field['choices']);
181	}
182	else
183	{
184	// no multiple lines!
185	$field['choices'] = array($field['choices']);
186	}
187
188	// key => value
189	foreach($field['choices'] as $choice)
190	{
191	if(strpos($choice, ' : ') !== false)
192	{
193	$choice = explode(' : ', $choice);
194	$new_choices[trim($choice[0])] = trim($choice[1]);
195	}
196	else
197	{
198	$new_choices[trim($choice)] = trim($choice);
199	}
200	}
201
202	// update choices
203	$field['choices'] = $new_choices;
204
205	// return updated field
206	return $field;
207
208	}
209	}
210
211	?>