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acf-swatch-v4.php
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acf-swatch-v4.php
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<?php
class acf_field_swatch extends acf_field {
/*
* __construct
*
* Set name / label needed for actions / filters
*
* @since 3.6
* @date 23/01/13
*/
function __construct() {
// vars
$this->name = 'swatch';
$this->label = __('Color Swatch', 'acf');
$this->category = __('Choice', 'acf');
$this->defaults = array(
'layout' => 'vertical',
'choices' => array(),
'default_value' => '',
'other_choice' => 0,
'save_other_choice' =>0,
);
$this->settings = array(
'path' => apply_filters('acf/helpers/get_path', __FILE__),
'dir' => apply_filters('acf/helpers/get_dir', __FILE__),
'version' => '1.0.0'
);
// do not delete!
parent::__construct();
}
/*
* create_field()
*
* Create the HTML interface for your field
*
* @param $field - an array holding all the field's data
*
* @type action
* @since 3.6
* @date 23/01/13
*/
function create_field($field) {
$obj = array();
$arr = explode("\n", $field['choices']);
foreach ($arr as $a) {
$k = explode(' : ', $a);
$obj[$k[0]] = $k[1];
}
$field['choices'] = $obj; // this all seems very hacky... the default radio class didnt use this
// vars
$i = 0;
$e = '<ul class="acf-swatch-list ' . esc_attr($field['class']) . ' ' . esc_attr($field['layout']) . '">';
//$e .= var_dump($obj);
// add choices
if (is_array($field['choices'])) {
foreach($field['choices'] as $key => $value) {
// vars
$i++;
$atts = '';
// if there is no value and this is the first of the choices, select this on by default
if ($field['value'] === false) {
if ($i === 1) {
$atts = 'checked="checked" data-checked="checked"';
}
} else {
if (strval($key) === strval($field['value'])) {
$atts = 'checked="checked" data-checked="checked"';
}
}
// HTML
$e .= '<li><label><input id="' . esc_attr($field['id']) . '-' . esc_attr($key) . '" type="radio" name="' . esc_attr($field['name']) . '" value="' . esc_attr($key) . '" ' . esc_attr( $atts ) . ' /><div class="swatch-toggle"><div class="swatch-color"></div></div>' . $value . '</label></li>';
}
}
// other choice
if ($field['other_choice']) {
// vars
$atts = '';
$atts2 = 'name="" value="" style="display:none"';
if ($field['value'] !== false) {
if (!isset($field['choices'][$field['value']])) {
$atts = 'checked="checked" data-checked="checked"';
$atts2 = 'name="' . esc_attr($field['name']) . '" value="' . esc_attr($field['value']) . '"';
}
}
$e .= '<li><label><input id="' . esc_attr($field['id']) . '-other" type="radio" name="' . esc_attr($field['name']) . '" value="other" ' . $atts . ' /><div class="swatch-toggle"><div class="swatch-color"></div></div>' . __("Other", 'acf') . '</label> <input type="text" ' . $atts2 . ' /></li>';
}
$e .= '</ul>';
echo $e;
}
/*
* create_options()
*
* Create extra options for your field. This is rendered when editing a field.
* The value of $field['name'] can be used (like bellow) to save extra data to the $field
*
* @type action
* @since 3.6
* @date 23/01/13
*
* @param $field - an array holding all the field's data
*/
function create_options($field) {
// vars
$key = $field['name'];
// implode checkboxes so they work in a textarea
if (is_array($field['choices'])) {
foreach ($field['choices'] as $k => $v) {
$field['choices'][ $k ] = $k . ' : ' . $v;
}
$field['choices'] = implode("\n", $field['choices']);
}
?>
<tr class="field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label for=""><?php _e('Choices', 'acf'); ?></label>
<p class="description"><?php _e("Enter your colors one per line",'acf'); ?><br />
<br />
<?php _e("red : Red",'acf'); ?><br />
<?php _e("#fff : White",'acf'); ?><br />
<?php _e("rgba(0,0,0, 1) : Black",'acf'); ?><br />
</p>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'textarea',
'class' => 'textarea field_option-choices',
'name' => 'fields['.$key.'][choices]',
'value' => $field['choices'],
));
?>
<div class="radio-option-other_choice">
<?php
do_action('acf/create_field', array(
'type' => 'true_false',
'name' => 'fields['.$key.'][other_choice]',
'value' => $field['other_choice'],
'message' => __("Add 'other' choice to allow for custom values", 'acf')
));
?>
</div>
<div class="radio-option-save_other_choice" <?php if( !$field['other_choice'] ): ?>style="display:none"<?php endif; ?>>
<?php
do_action('acf/create_field', array(
'type' => 'true_false',
'name' => 'fields['.$key.'][save_other_choice]',
'value' => $field['save_other_choice'],
'message' => __("Save 'other' values to the field's choices", 'acf')
));
?>
</div>
</td>
</tr>
<tr class="field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label><?php _e("Default Value",'acf'); ?></label>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'text',
'name' => 'fields['.$key.'][default_value]',
'value' => $field['default_value'],
));
?>
</td>
</tr>
<tr class="field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label for=""><?php _e("Layout",'acf'); ?></label>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'radio',
'name' => 'fields['.$key.'][layout]',
'value' => $field['layout'],
'layout' => 'horizontal',
'choices' => array(
'vertical' => __("Vertical",'acf'),
'horizontal' => __("Horizontal",'acf')
)
));
?>
</td>
</tr>
<?php
}
/*
* update_value()
*
* This filter is appied to the $value before it is updated in the db
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value - the value which will be saved in the database
* @param $post_id - the $post_id of which the value will be saved
* @param $field - the field array holding all the field options
*
* @return $value - the modified value
*/
function update_value($value, $post_id, $field) {
// validate
if ($field['save_other_choice']) {
// value isn't in choices yet
if (!isset($field['choices'][ $value ])) {
// update $field
$field['choices'][ $value ] = $value;
// can save
if (isset($field['field_group'])) {
do_action('acf/update_field', $field, $field['field_group']);
}
}
}
return $value;
}
function input_admin_enqueue_scripts() {
// Note: This function can be removed if not used
// register ACF scripts
wp_register_script( 'acf-input-swatch', $this->settings['dir'] . 'js/min/input-min.js', array('acf-input') );
wp_register_style( 'acf-input-swatch', $this->settings['dir'] . 'css/input.css', array('acf-input') );
// scripts
wp_enqueue_script(array(
'acf-input-swatch',
));
// styles
wp_enqueue_style(array(
'acf-input-swatch',
));
}
}
new acf_field_swatch();
?>