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acf-widget_area-v5.php
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acf-widget_area-v5.php
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<?php
if ( !class_exists( 'acf_field_widget_area' ) ) :
class acf_field_widget_area extends acf_field {
/*
* __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() {
// vars
$this->name = 'widget_area';
$this->label = __( "Widget Area", 'acf' );
$this->category = 'layout';
$this->defaults = array(
'layouts' => array(),
'min' => '',
'max' => '',
'button_label' => __( "Add Widget", 'acf' ),
);
$this->l10n = array(
'layout' => __( "layout", 'acf' ),
'layouts' => __( "layouts", 'acf' ),
'remove' => __( "remove {layout}?", 'acf' ),
'min' => __( "This field requires at least {min} {identifier}", 'acf' ),
'max' => __( "This field has a limit of {max} {identifier}", 'acf' ),
'min_layout' => __( "This field requires at least {min} {label} {identifier}", 'acf' ),
'max_layout' => __( "Maximum {label} limit reached ({max} {identifier})", 'acf' ),
'available' => __( "{available} {label} {identifier} available (max {max})", 'acf' ),
'required' => __( "{required} {label} {identifier} required (min {min})", 'acf' ),
);
// do not delete!
parent::__construct();
}
public function input_admin_enqueue_scripts() {
$dir = plugin_dir_url( __FILE__ );
// register & include JS
wp_register_script( 'acf-input-widget-area', "{$dir}js/input.js" );
wp_enqueue_script( 'acf-input-widget-area' );
// register & include CSS
wp_register_style( 'acf-input-widget-area', "{$dir}css/input.css" );
wp_enqueue_style( 'acf-input-widget-area' );
}
/*
* get_valid_layout
*
* This function will fill in the missing keys to create a valid layout
*
* @type function
* @date 3/10/13
* @since 1.1.0
*
* @param $layout (array)
* @return $layout (array)
*/
function get_valid_layout( $layout = array() ) {
// parse
$layout = wp_parse_args( $layout, array(
'key' => uniqid(),
'name' => '',
'label' => '',
'display' => 'block',
'sub_fields' => array(),
'min' => '',
'max' => '',
) );
// return
return $layout;
}
/*
* load_field()
*
* This filter is appied to the $field after it is loaded from the database
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $field - the field array holding all the field options
*
* @return $field - the field array holding all the field options
*/
function load_field( $field ) {
global $wp_widget_factory;
$post = get_post();
if ( $post->post_type == 'acf-field-group' ) {
return $field;
}
$widgets = array();
$subfields = array();
if ( empty( $field['registered_widgets'] ) ) {
return $field;
}
foreach ( $wp_widget_factory->widgets as $class => $widget_obj ) {
if ( !in_array( $class, $field['registered_widgets'] ) ) {
continue;
}
$widgets[$class] = $widget_obj->name;
$field['layouts'][] = array(
'key' => md5( $class ),
'name' => 'layout_' . $widget_obj->id_base,
'label' => $widget_obj->name,
'display' => 'block',
);
$widget_field = array(
'key' => 'field_widget_' . md5( $class ),
'label' => '',
'name' => 'the_widget',
'prefix' => '',
'type' => 'a_widget',
'value' => NULL,
'menu_order' => 0,
'instructions' => '',
'required' => 0,
'id' => '',
'class' => '',
'conditional_logic' => 0,
'parent' => 0,
'wrapper' => array(
'width' => '',
'class' => '',
'id' => '',
),
'_name' => 'the_widget',
'_input' => '',
'_valid' => 1,
'widget' => $class,
'sub_fields' => array(),
'parent_layout' => md5( $class ),
);
if ( $widget_field ) {
$widget_field = apply_filters( "acf/load_field", $widget_field );
$widget_field = apply_filters( "acf/load_field/type={$widget_field['type']}", $widget_field );
$widget_field = apply_filters( "acf/load_field/name={$widget_field['name']}", $widget_field );
$widget_field = apply_filters( "acf/load_field/key={$widget_field['key']}", $widget_field );
}
$subfields[] = $widget_field;
}
// bail early if no field layouts
if ( empty( $field['layouts'] ) ) {
return $field;
}
// vars
//$sub_fields = acf_get_fields( $field );
$sub_fields = $subfields;
// loop through layouts, sub fields and swap out the field key with the real field
foreach ( array_keys( $field['layouts'] ) as $i ) {
// extract layout
$layout = acf_extract_var( $field['layouts'], $i );
// validate layout
$layout = $this->get_valid_layout( $layout );
// append sub fields
if ( !empty( $sub_fields ) ) {
foreach ( array_keys( $sub_fields ) as $k ) {
// check if 'parent_layout' is empty
if ( empty( $sub_fields[$k]['parent_layout'] ) ) {
// parent_layout did not save for this field, default it to first layout
$sub_fields[$k]['parent_layout'] = $layout['key'];
}
// append sub field to layout,
if ( $sub_fields[$k]['parent_layout'] == $layout['key'] ) {
$layout['sub_fields'][] = acf_extract_var( $sub_fields, $k );
}
}
}
// append back to layouts
$field['layouts'][$i] = $layout;
}
// return
return $field;
}
/*
* render_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 render_field( $field ) {
$sidebar_name = 'Sidebar';
foreach ( $GLOBALS['wp_registered_sidebars'] as $sidebar ) {
if ( $sidebar['id'] == $field['registered_widget_area'] ) {
$sidebar_name = $sidebar['name'];
}
}
// defaults
if ( empty( $field['button_label'] ) ) {
$field['button_label'] = $this->defaults['button_label'];
}
// sort layouts into names
$layouts = array();
foreach ( $field['layouts'] as $k => $layout ) {
$layouts[$layout['name']] = acf_extract_var( $field['layouts'], $k );
}
// hidden input
acf_hidden_input( array(
'type' => 'hidden',
'name' => $field['name'],
) );
// no value message
$no_value_message = __( 'Click the "%s" button below to start creating your layout', 'acf' );
$no_value_message = apply_filters( 'acf/fields/widget_area/no_value_message', $no_value_message, $field );
?>
<div class="acf-field acf-field-select">
<div class="acf-label">
<label><?php printf( __( 'Customize Sidebar: %s', 'acf' ), $sidebar_name ); ?></label>
</div>
<div class="acf-input">
<select id="" class="" name="<?php echo "{$field['name']}[acf_widget_area_is_customized]"; ?>"
data-ui="0"
data-ajax="0"
data-multiple="0"
data-placeholder=""
data-allow_null="0">
<option value="no" <?php selected( 'no', $field['value']['internal_values']['customized'] ); ?>>No</option>
<option value="yes" <?php selected( 'yes', $field['value']['internal_values']['customized'] ); ?>>Yes</option>
<option value="inherit" <?php selected( 'inherit', $field['value']['internal_values']['customized'] ); ?>>Inherit</option>
</select>
</div>
</div>
<?php unset( $field['value']['internal_values'] ); ?>
<div <?php acf_esc_attr_e( array('class' => 'acf-widget-area', 'data-min' => $field['min'], 'data-max' => $field['max']) ); ?>>
<div class="no-value-message" <?php
if ( $field['value']['rows'] ) {
echo 'style="display:none;"';
}
?>>
<?php printf( $no_value_message, $field['button_label'] ); ?>
</div>
<div class="clones">
<?php foreach ( $layouts as $layout ): ?>
<?php $this->render_layout( $field, $layout, 'acfcloneindex', array() ); ?>
<?php endforeach; ?>
</div>
<div class="values">
<?php if ( !empty( $field['value']['rows'] ) ): ?>
<?php foreach ( $field['value']['rows'] as $i => $value ): ?>
<?php
// validate
if ( empty( $layouts[$value['acf_fc_layout']] ) ) {
continue;
}
$this->render_layout( $field, $layouts[$value['acf_fc_layout']], $i, $value );
?>
<?php endforeach; ?>
<?php endif; ?>
</div>
<ul class="acf-hl">
<li class="acf-fr">
<a href="#" class="acf-button blue button button-primary" data-event="add-widget"><?php echo $field['button_label']; ?></a>
</li>
</ul>
<script type="text-html" class="tmpl-popup"><?php ?><div class="acf-wa-popup">
<ul>
<?php
foreach ( $layouts as $layout ):
$atts = array(
'data-layout' => $layout['name'],
'data-min' => $layout['min'],
'data-max' => $layout['max'],
);
?>
<li>
<a href="#" <?php acf_esc_attr_e( $atts ); ?>><?php echo $layout['label']; ?><span class="status"></span></a>
</li>
<?php endforeach; ?>
</ul>
<a href="#" class="focus"></a>
</div>
</script>
</div>
<?php
}
/*
* render_layout
*
* description
*
* @type function
* @date 19/11/2013
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function render_layout( $field, $layout, $i, $value ) {
// vars
$order = 0;
$el = 'div';
$div = array(
'class' => 'layout',
'data-id' => $i,
'data-layout' => $layout['name']
);
//Collapse by default.
$div['class'] .= ' -collapsed';
// clone
if ( is_numeric( $i ) ) {
$order = $i + 1;
} else {
$div['class'] .= ' acf-clone';
}
?>
<div <?php acf_esc_attr_e( $div ); ?>>
<div class="acf-hidden">
<?php acf_hidden_input( array('name' => "{$field['name']}[{$i}][acf_fc_layout]", 'value' => $layout['name']) ); ?>
</div>
<div class="acf-wa-layout-handle">
<span class="fc-layout-order"><?php echo $order; ?></span> <?php echo $layout['label']; ?>
</div>
<ul class="acf-wa-layout-controlls acf-hl">
<li class="acf-wa-show-on-hover">
<a class="acf-icon -plus small" href="#" data-event="add-widget" title="<?php _e( 'Add layout', 'acf' ); ?>"></a>
</li>
<li class="acf-wa-show-on-hover">
<a class="acf-icon -minus small" href="#" data-event="remove-widget" title="<?php _e( 'Remove layout', 'acf' ); ?>"></a>
</li>
<li>
<a class="acf-icon -collapse small" href="#" data-event="collapse-widget" title="<?php _e( 'Click to toggle', 'acf' ); ?>"></a>
</li>
</ul>
<?php if ( !empty( $layout['sub_fields'] ) ): ?>
<?php
if ( $layout['display'] == 'table' ):
// update vars
$el = 'td';
?>
<table class="acf-table">
<thead>
<tr>
<?php
foreach ( $layout['sub_fields'] as $sub_field ):
$atts = array(
'class' => "acf-th acf-th-{$sub_field['name']}",
'data-key' => $sub_field['key'],
);
// Add custom width
if ( $sub_field['wrapper']['width'] ) {
$atts['data-width'] = $sub_field['wrapper']['width'];
}
?>
<th <?php acf_esc_attr_e( $atts ); ?>>
<?php acf_the_field_label( $sub_field ); ?>
<?php if ( $sub_field['instructions'] ): ?>
<p class="description"><?php echo $sub_field['instructions']; ?></p>
<?php endif; ?>
</th>
<?php endforeach; ?>
</tr>
</thead>
<tbody>
<?php else: ?>
<div class="acf-fields <?php if ( $layout['display'] == 'row' ): ?>-left<?php endif; ?>">
<?php endif; ?>
<?php
// loop though sub fields
foreach ( $layout['sub_fields'] as $sub_field ) {
// prevent repeater field from creating multiple conditional logic items for each row
if ( $i !== 'acfcloneindex' ) {
$sub_field['conditional_logic'] = 0;
}
// add value
if ( isset( $value[$sub_field['key']] ) ) {
// this is a normal value
$sub_field['value'] = $value[$sub_field['key']];
} elseif ( isset( $sub_field['default_value'] ) ) {
// no value, but this sub field has a default value
$sub_field['value'] = $sub_field['default_value'];
}
// update prefix to allow for nested values
$sub_field['prefix'] = "{$field['name']}[{$i}]";
// render input
acf_render_field_wrap( $sub_field, $el );
}
?>
<?php if ( $layout['display'] == 'table' ): ?>
</tbody>
</table>
<?php else: ?>
</div>
<?php endif; ?>
<?php endif; ?>
</div>
<?php
}
/*
* render_field_settings()
*
* 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 render_field_settings( $field ) {
global $wp_widget_factory;
// min
acf_render_field_setting( $field, array(
'label' => __( 'Button Label', 'acf' ),
'instructions' => '',
'type' => 'text',
'name' => 'button_label',
) );
// min
acf_render_field_setting( $field, array(
'label' => __( 'Minimum Layouts', 'acf' ),
'instructions' => '',
'type' => 'number',
'name' => 'min',
) );
// max
acf_render_field_setting( $field, array(
'label' => __( 'Maximum Layouts', 'acf' ),
'instructions' => '',
'type' => 'number',
'name' => 'max',
) );
$sidebars = array();
foreach ( $GLOBALS['wp_registered_sidebars'] as $sidebar ) {
$sidebars[$sidebar['id']] = $sidebar['name'];
}
acf_render_field_setting( $field, array(
'label' => __( 'Widget Area', 'acf' ),
'instructions' => __( 'Select the widget area to override', 'acf' ),
'type' => 'select',
'name' => 'registered_widget_area',
'choices' => $sidebars
) );
$widgets = array();
foreach ( $wp_widget_factory->widgets as $class => $widget_obj ) {
$widgets[$class] = $widget_obj->name;
}
acf_render_field_setting( $field, array(
'label' => __( 'Allowed Widgets', 'acf' ),
'instructions' => __( 'Select the widgets allowed in this area', 'acf' ),
'type' => 'checkbox',
'name' => 'registered_widgets',
'choices' => $widgets
) );
}
/*
* 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 ) {
// bail early if no value
if ( empty( $field['layouts'] ) ) {
return $value;
}
// value must be an array
$value = acf_get_array( $value );
// vars
$rows = array();
// populate $layouts
$layouts = array();
foreach ( array_keys( $field['layouts'] ) as $i ) {
// get layout
$layout = $field['layouts'][$i];
// append to $layouts
$layouts[$layout['name']] = $layout['sub_fields'];
}
// loop through rows
foreach ( $value as $i => $l ) {
// append to $values
$rows[$i] = array();
$rows[$i]['acf_fc_layout'] = $l;
// bail early if layout deosnt contain sub fields
if ( empty( $layouts[$l] ) ) {
continue;
}
// get layout
$layout = $layouts[$l];
// loop through sub fields
foreach ( array_keys( $layout ) as $j ) {
// get sub field
$sub_field = $layout[$j];
// update full name
$sub_field['name'] = "{$field['name']}_{$i}_{$sub_field['name']}";
// get value
$sub_value = acf_get_value( $post_id, $sub_field );
// add value
$rows[$i][$sub_field['key']] = $sub_value;
}
// foreach
}
// foreach
$value['rows'] = $rows;
$customized_value = get_post_meta( $post_id, 'acf_widget_area_is_customized', true );
if ( !empty( $customized_value ) && isset( $customized_value[$field['registered_widget_area']] ) ) {
$value['internal_values']['customized'] = isset( $customized_value[$field['registered_widget_area']][$field['key']] ) ? $customized_value[$field['registered_widget_area']][$field['key']] : 'no';
} else {
$value['internal_values']['customized'] = 'no';
}
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 ) {
// bail early if no value
if ( empty( $value ) || empty( $field['layouts'] ) ) {
return false;
}
// populate $layouts
$layouts = array();
foreach ( array_keys( $field['layouts'] ) as $i ) {
// get layout
$layout = $field['layouts'][$i];
// append to $layouts
$layouts[$layout['name']] = $layout['sub_fields'];
}
// loop over rows
foreach ( array_keys( $value['rows'] ) as $i ) {
// get layout name
$l = $value['rows'][$i]['acf_fc_layout'];
// bail early if layout deosnt exist
if ( empty( $layouts[$l] ) ) {
continue;
}
// get layout
$layout = $layouts[$l];
// loop through sub fields
foreach ( array_keys( $layout ) as $j ) {
// get sub field
$sub_field = $layout[$j];
// extract value
$sub_value = acf_extract_var( $value['rows'][$i], $sub_field['key'] );
//Added in 1.0.1 to prevent ACF cache from loading the wrong value.
$sub_field['name'] = "{$field['name']}_{$i}_{$sub_field['name']}";
// format value
$sub_value = acf_format_value( $sub_value, $post_id, $sub_field );
// append to $row
$value['rows'][$i][$sub_field['name']] = $sub_value;
}
}
// return
return $value;
}
/*
* validate_value
*
* description
*
* @type function
* @date 11/02/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function validate_value( $valid, $value, $field, $input ) {
// remove acfcloneindex
if ( isset( $value['acfcloneindex'] ) ) {
unset( $value['acfcloneindex'] );
}
if ( isset( $value['acf_widget_area_is_customized'] ) ) {
unset( $value['acf_widget_area_is_customized'] );
}
// valid
if ( $field['required'] && empty( $value ) ) {
$valid = false;
}
// populate $layouts
$layouts = array();
foreach ( array_keys( $field['layouts'] ) as $i ) {
$layout = acf_extract_var( $field['layouts'], $i );
// append to $layouts
$layouts[$layout['name']] = $layout['sub_fields'];
}
// check sub fields
if ( !empty( $value ) ) {
// loop through rows
foreach ( $value as $i => $row ) {
// get layout
$l = $row['acf_fc_layout'];
// loop through sub fields
if ( !empty( $layouts[$l] ) ) {
foreach ( $layouts[$l] as $sub_field ) {
// get sub field key
$k = $sub_field['key'];
// exists?
if ( !isset( $value[$i][$k] ) ) {
continue;
}
// validate
acf_validate_value( $value[$i][$k], $sub_field, "{$input}[{$i}][{$k}]" );
}
// foreach
}
// if
}
// foreach
}
// if
// return
return $valid;
}
/*
* 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 $field - the field array holding all the field options
* @param $post_id - the $post_id of which the value will be saved
*
* @return $value - the modified value
*/
function update_value( $value, $post_id, $field ) {
// remove acfcloneindex
if ( isset( $value['acfcloneindex'] ) ) {
unset( $value['acfcloneindex'] );
}
$customized_value = get_post_meta( $post_id, 'acf_widget_area_is_customized', true );
if ( empty( $customized_value ) ) {
$customized_value = array(
$field['registered_widget_area'] => array(
$field['key'] => $value['acf_widget_area_is_customized']
)
);
} elseif ( !isset( $customized_value[$field['registered_widget_area']] ) ) {
$customized_value[$field['registered_widget_area']] = array(
$field['key'] => $value['acf_widget_area_is_customized']
);
} else {
$customized_value[$field['registered_widget_area']][$field['key']] = $value['acf_widget_area_is_customized'];
}
update_post_meta( $post_id, 'acf_widget_area_is_customized', $customized_value );
unset( $value['acf_widget_area_is_customized'] );
// vars
$order = array();
$layouts = array();
// populate $layouts
foreach ( $field['layouts'] as $layout ) {
$layouts[$layout['name']] = $layout['sub_fields'];
}
// update sub fields
if ( !empty( $value ) ) {
// $i
$i = -1;
// loop through rows
foreach ( $value as $row ) {
// $i
$i++;
// get layout
$l = $row['acf_fc_layout'];
// append to order
$order[] = $l;
// loop through sub fields
if ( !empty( $layouts[$l] ) ) {
foreach ( $layouts[$l] as $sub_field ) {
// value
$v = false;
// key (backend)
if ( isset( $row[$sub_field['key']] ) ) {
$v = $row[$sub_field['key']];
} elseif ( isset( $row[$sub_field['name']] ) ) {
$v = $row[$sub_field['name']];
} else {
// input is not set (hidden by conditioanl logic)
continue;
}
// modify name for save
$sub_field['name'] = "{$field['name']}_{$i}_{$sub_field['name']}";
// update field
acf_update_value( $v, $post_id, $sub_field );
}
// foreach
}
// if
}
// foreach
}
// if
// remove old data
$old_order = acf_get_metadata( $post_id, $field['name'] );
$old_count = empty( $old_order ) ? 0 : count( $old_order );
$new_count = empty( $order ) ? 0 : count( $order );
if ( $old_count > $new_count ) {
for ( $i = $new_count; $i < $old_count; $i++ ) {
// get layout
$l = $old_order[$i];
// loop through sub fields
if ( !empty( $layouts[$l] ) ) {
foreach ( $layouts[$l] as $sub_field ) {
// modify name for delete
$sub_field['name'] = "{$field['name']}_{$i}_{$sub_field['name']}";
// delete value
acf_delete_value( $post_id, $sub_field );
}
}
}
}
// save false for empty value
if ( empty( $order ) ) {
$order = false;
}
// return
return $order;
}
/*
* update_field()
*
* This filter is appied to the $field before it is saved to the database