/*

* __construct

*

* This function will setup the field type data

*

* @type function

* @date 5/03/2014

* @since 5.0.0

*

* @param n/a

* @return n/a

*/

function __construct() {

/*

* name (string) Single word, no spaces. Underscores allowed

*/

$this->name = 'smart_button';

/*

* label (string) Multiple words, can include spaces, visible when selecting a field type

*/

$this->label = __('Smart Button');

/*

* category (string) basic | content | choice | relational | jquery | layout | CUSTOM GROUP NAME

*/

$this->category = 'basic';

/*

* defaults (array) Array of default settings which are merged into the field object. These are used later in settings

*/

$this->defaults = array();

/*

* l10n (array) Array of strings that are used in JavaScript. This allows JS strings to be translated in PHP and loaded via:

* var message = acf._e('FIELD_NAME', 'error');

*/

$this->l10n = array(

'error' => __('Error! Please enter a higher value', 'acf-smart-button'),

);

$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();

}

/*

* render_field_settings()

*

* Create extra settings for your field. These are visible when editing a field

*

* @type action

* @since 3.6

* @date 23/01/13

*

* @param $field (array) the $field being edited

* @return n/a

*/

function render_field_settings( $field ) {

/*

* acf_render_field_setting

*

* This function will create a setting for your field. Simply pass the $field parameter and an array of field settings.

* The array of settings does not require a `value` or `prefix`; These settings are found from the $field array.

*

* More than one setting can be added by copy/paste the above code.

* Please note that you must also have a matching $defaults value for the field name (font_size)

*/

$field = array_merge($this->defaults, $field);

}

/*

* render_field()

*

* Create the HTML interface for your field

*

* @param $field (array) the $field being rendered

*

* @type action

* @since 3.6

* @date 23/01/13

*

* @param $field (array) the $field being edited

* @return n/a

*/

function render_field( $field ) {

$field = array_merge($this->defaults, $field);

$field_name = esc_attr( $field['name'] );

/* overwrite fields with empty values to avoid warning */

$field['value']['text'] = isset($field['value']['text']) ? $field['value']['text'] : null;

$field['value']['link'] = isset($field['value']['link']) ? $field['value']['link'] : null;

$field['value']['post_id'] = isset($field['value']['post_id']) ? $field['value']['post_id'] : null;

$field['value']['use_external'] = isset($field['value']['use_external']) ? $field['value']['use_external'] : null;

?>

<table class="acf-smart-button-fields">

<tr>

<td valign="top">

<label>Text</label>

<input type="text" value="<?php echo esc_attr( $field['value']['text'] ); ?>" name="<?php echo $field_name; ?>[text]" class="text" />

</td>

<td valign="top" class="external hidden">

<label>External Link</label>

<?php

do_action('acf/render_field/type=url', array(

'type' => 'text',

'name' => $field_name . '[link]',

'value' => $field['value']['link'],

'id' => $field_name.'_external',

'class' => 'external',

'placeholder' => ''

));

?>

</td>

<td valign="top" class="internal">

<label>Internal Link</label>

<div class="acf-field acf-field-post-object" data-name="<?php echo $field['_name']; ?>[post_id]" data-type="post_object" data-key="<?php echo $field['key']; ?>">

<div class="acf-input">

<?php

$types = array('post', 'page');

@do_action('acf/render_field/type=post_object', array(

'name' => $field_name . '[post_id]',

'value' => $field['value']['post_id'],

'post_type' => $types

//'_name' => 'acf[' . $field['_name'] . '][post_id]',

//'key' => 'acf[' . $field['key'] . '][post_id]'

));

?>

</div>

</div>

</td>

<td>

<label>Use external Link</label>

<div class="switcher">

<div class="button-link-switch">

<?php

$swticher_id = $field['id'] . '[use_external_swichter]';

?>

<input type="checkbox" name="<?php echo $field_name; ?>[use_external]" class="button-link-switch-checkbox" id="<?php echo $swticher_id; ?>" <?php if($field['value']['use_external']) { echo 'checked'; } ?>>

<label class="button-link-switch-label" for="<?php echo $swticher_id; ?>"></label>

</div>

</div>

</td>

</tr>

</table>

<?php

}

/*

* input_admin_enqueue_scripts()

*

* This action is called in the admin_enqueue_scripts action on the edit screen where your field is created.

* Use this action to add CSS + JavaScript to assist your render_field() action.

*

* @type action (admin_enqueue_scripts)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

function input_admin_enqueue_scripts() {

$dir = plugin_dir_url( __FILE__ );

// register & include JS

wp_register_script( 'acf-smart-button', "{$dir}js/input.js" );

wp_enqueue_script('acf-smart-button');

// register & include CSS

wp_register_style( 'acf-smart-button', "{$dir}css/input.css" );

wp_enqueue_style('acf-smart-button');

wp_enqueue_script(array(

'acf-smart-button',

));

}

/*

* input_admin_head()

*

* This action is called in the admin_head action on the edit screen where your field is created.

* Use this action to add CSS and JavaScript to assist your render_field() action.

*

* @type action (admin_head)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

/*

function input_admin_head() {

}

*/

/*

* input_form_data()

*

* This function is called once on the 'input' page between the head and footer

* There are 2 situations where ACF did not load during the 'acf/input_admin_enqueue_scripts' and

* 'acf/input_admin_head' actions because ACF did not know it was going to be used. These situations are

* seen on comments / user edit forms on the front end. This function will always be called, and includes

* $args that related to the current screen such as $args['post_id']

*

* @type function

* @date 6/03/2014

* @since 5.0.0

*

* @param $args (array)

* @return n/a

*/

/*

function input_form_data( $args ) {

}

*/

/*

* input_admin_footer()

*

* This action is called in the admin_footer action on the edit screen where your field is created.

* Use this action to add CSS and JavaScript to assist your render_field() action.

*

* @type action (admin_footer)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

/*

function input_admin_footer() {

}

*/

/*

* field_group_admin_enqueue_scripts()

*

* This action is called in the admin_enqueue_scripts action on the edit screen where your field is edited.

* Use this action to add CSS + JavaScript to assist your render_field_options() action.

*

* @type action (admin_enqueue_scripts)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

/*

function field_group_admin_enqueue_scripts() {

}

*/

/*

* field_group_admin_head()

*

* This action is called in the admin_head action on the edit screen where your field is edited.

* Use this action to add CSS and JavaScript to assist your render_field_options() action.

*

* @type action (admin_head)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

/*

function field_group_admin_head() {

}

*/

/*

* load_value()

*

* This filter is applied to the $value after it is loaded from the db

*

* @type filter

* @since 3.6

* @date 23/01/13

*

* @param $value (mixed) the value found in the database

* @param $post_id (mixed) the $post_id from which the value was loaded

* @param $field (array) the field array holding all the field options

* @return $value

*/

/*

function load_value( $value, $post_id, $field ) {

return $value;

}

*/

/*

* update_value()

*

* This filter is applied to the $value before it is saved in the db

*

* @type filter

* @since 3.6

* @date 23/01/13

*

* @param $value (mixed) the value found in the database

* @param $post_id (mixed) the $post_id from which the value was loaded

* @param $field (array) the field array holding all the field options

* @return $value

*/

/*

function update_value( $value, $post_id, $field ) {

return $value;

}

*/

/*

* format_value()

*

* This filter is appied to the $value after it is loaded from the db and before it is returned to the template

*

* @type filter

* @since 3.6

* @date 23/01/13

*

* @param $value (mixed) the value which was loaded from the database

* @param $post_id (mixed) the $post_id from which the value was loaded

* @param $field (array) the field array holding all the field options

*

* @return $value (mixed) the modified value

*/

function format_value( $value, $post_id, $field ) {

// return url always as same data field, overwrite use_external with true or false for further processing

// MAYBE: Return target="_blank" html as separate field to make the view even leaner

if(!array_key_exists('use_external', $value)) {

// internal

if( !empty($value['post_id']) ) {

$value['url'] = ( !empty($value['post_id']) ? get_permalink($value['post_id']) : '' );

} else {

unset($value['url']);

}

if( empty($value['text']) ) {

unset($value['text']);

}

if( empty($value['text']) && empty($value['post_id']) ) {

unset($value['target']);

} else {

$value['target'] = ''; // empty target

}

} else {

// external

$value['url'] = $value['link'];

$value['target'] = 'target="_blank"'; // set to open in a new window if external

}

// unsed fields that are not needed (or do you?)

unset($value['link']);

unset($value['post_id']);

unset($value['use_external']);

// return false no value is set

if( empty($value) ) {

return false;

}

return $value;

}

/*

* validate_value()

*

* This filter is used to perform validation on the value prior to saving.

* All values are validated regardless of the field's required setting. This allows you to validate and return

* messages to the user if the value is not correct

*

* @type filter

* @date 11/02/2014

* @since 5.0.0

*

* @param $valid (boolean) validation status based on the value and the field's required setting

* @param $value (mixed) the $_POST value

* @param $field (array) the field array holding all the field options

* @param $input (string) the corresponding input name for $_POST value

* @return $valid

*/

/*

function validate_value( $valid, $value, $field, $input ){

// Basic usage

if( $value < $field['custom_minimum_setting'] )

{

$valid = false;

}

// Advanced usage

if( $value < $field['custom_minimum_setting'] )

{

$valid = __('The value is too little!','acf-FIELD_NAME'),

}

// return

return $valid;

}

*/

/*

* delete_value()

*

* This action is fired after a value has been deleted from the db.

* Please note that saving a blank value is treated as an update, not a delete

*

* @type action

* @date 6/03/2014

* @since 5.0.0

*

* @param $post_id (mixed) the $post_id from which the value was deleted

* @param $key (string) the $meta_key which the value was deleted

* @return n/a

*/

/*

function delete_value( $post_id, $key ) {

}

*/

/*

* load_field()

*

* This filter is applied to the $field after it is loaded from the database

*

* @type filter

* @date 23/01/2013

* @since 3.6.0

*

* @param $field (array) the field array holding all the field options

* @return $field

*/

/*

function load_field( $field ) {

return $field;

}

*/

/*

* update_field()

*

* This filter is applied to the $field before it is saved to the database

*

* @type filter

* @date 23/01/2013

* @since 3.6.0

*

* @param $field (array) the field array holding all the field options

* @return $field

*/

/*

function update_field( $field ) {

return $field;

}

*/

/*

* delete_field()

*

* This action is fired after a field is deleted from the database

*

* @type action

* @date 11/02/2014

* @since 5.0.0

*

* @param $field (array) the field array holding all the field options

* @return n/a

*/

/*

function delete_field( $field ) {

}

*/