checkbox.php
| 1 | <?php |
| 2 | |
| 3 | class acf_Checkbox 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 = 'checkbox'; |
| 21 | $this->title = __("Checkbox",'acf'); |
| 22 | |
| 23 | } |
| 24 | |
| 25 | |
| 26 | /*-------------------------------------------------------------------------------------- |
| 27 | * |
| 28 | * create_field |
| 29 | * |
| 30 | * @author Elliot Condon |
| 31 | * @since 2.0.5 |
| 32 | * @updated 2.2.0 |
| 33 | * |
| 34 | *-------------------------------------------------------------------------------------*/ |
| 35 | |
| 36 | function create_field($field) |
| 37 | { |
| 38 | // defaults |
| 39 | if(empty($field['value'])) $field['value'] = array(); |
| 40 | |
| 41 | // no choices |
| 42 | if(empty($field['choices'])) |
| 43 | { |
| 44 | echo '<p>' . __("No choices to choose from",'acf') . '</p>'; |
| 45 | return false; |
| 46 | } |
| 47 | |
| 48 | // html |
| 49 | echo '<ul class="checkbox_list '.$field['class'].'">'; |
| 50 | echo '<input type="hidden" name="'.$field['name'].'" value="" />'; |
| 51 | // checkbox saves an array |
| 52 | $field['name'] .= '[]'; |
| 53 | |
| 54 | // foreach choices |
| 55 | foreach($field['choices'] as $key => $value) |
| 56 | { |
| 57 | $selected = ''; |
| 58 | if(in_array($key, $field['value'])) |
| 59 | { |
| 60 | $selected = 'checked="yes"'; |
| 61 | } |
| 62 | echo '<li><label><input type="checkbox" class="' . $field['class'] . '" name="' . $field['name'] . '" value="' . $key . '" ' . $selected . ' />' . $value . '</label></li>'; |
| 63 | } |
| 64 | |
| 65 | echo '</ul>'; |
| 66 | |
| 67 | } |
| 68 | |
| 69 | |
| 70 | /*-------------------------------------------------------------------------------------- |
| 71 | * |
| 72 | * create_options |
| 73 | * |
| 74 | * @author Elliot Condon |
| 75 | * @since 2.0.6 |
| 76 | * @updated 2.2.0 |
| 77 | * |
| 78 | *-------------------------------------------------------------------------------------*/ |
| 79 | |
| 80 | function create_options($key, $field) |
| 81 | { |
| 82 | // defaults |
| 83 | |
| 84 | |
| 85 | // implode checkboxes so they work in a textarea |
| 86 | if(isset($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 | <tr class="field_option field_option_<?php echo $this->name; ?>"> |
| 100 | <td class="label"> |
| 101 | <label for=""><?php _e("Choices",'acf'); ?></label> |
| 102 | <p class="description"><?php _e("Enter your choices one per line<br /> |
| 103 | <br /> |
| 104 | Red<br /> |
| 105 | Blue<br /> |
| 106 | <br /> |
| 107 | or<br /> |
| 108 | <br /> |
| 109 | red : Red<br /> |
| 110 | blue : Blue",'acf'); ?></p> |
| 111 | </td> |
| 112 | <td> |
| 113 | <textarea rows="5" name="fields[<?php echo $key; ?>][choices]" id=""><?php echo $field['choices']; ?></textarea> |
| 114 | </td> |
| 115 | </tr> |
| 116 | <?php |
| 117 | } |
| 118 | |
| 119 | |
| 120 | /*-------------------------------------------------------------------------------------- |
| 121 | * |
| 122 | * pre_save_field |
| 123 | * - called just before saving the field to the database. |
| 124 | * |
| 125 | * @author Elliot Condon |
| 126 | * @since 2.2.0 |
| 127 | * |
| 128 | *-------------------------------------------------------------------------------------*/ |
| 129 | |
| 130 | function pre_save_field($field) |
| 131 | { |
| 132 | // defaults |
| 133 | $field['choices'] = isset($field['choices']) ? $field['choices'] : ''; |
| 134 | |
| 135 | // vars |
| 136 | $new_choices = array(); |
| 137 | |
| 138 | // explode choices from each line |
| 139 | if(strpos($field['choices'], "\n") !== false) |
| 140 | { |
| 141 | // found multiple lines, explode it |
| 142 | $field['choices'] = explode("\n", $field['choices']); |
| 143 | } |
| 144 | else |
| 145 | { |
| 146 | // no multiple lines! |
| 147 | $field['choices'] = array($field['choices']); |
| 148 | } |
| 149 | |
| 150 | // key => value |
| 151 | foreach($field['choices'] as $choice) |
| 152 | { |
| 153 | if(strpos($choice, ' : ') !== false) |
| 154 | { |
| 155 | $choice = explode(' : ', $choice); |
| 156 | $new_choices[trim($choice[0])] = trim($choice[1]); |
| 157 | } |
| 158 | else |
| 159 | { |
| 160 | $new_choices[trim($choice)] = trim($choice); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | // update choices |
| 165 | $field['choices'] = $new_choices; |
| 166 | |
| 167 | // return updated field |
| 168 | return $field; |
| 169 | |
| 170 | } |
| 171 | |
| 172 | } |
| 173 | ?> |