<?php

if(!defined('ABSPATH'))
    exit;

if(!class_exists('acfe_field_column')):

class acfe_field_column extends acf_field{
    
    function __construct(){
        
        $this->name = 'acfe_column';
        $this->label = __('Column', 'acfe');
        $this->category = 'layout';
        $this->defaults = array(
            'columns' => '6/12',
            'endpoint' => false,
        );
        
        // Field wrapper
        add_filter('acfe/field_wrapper_attributes/type=acfe_column', array($this, 'field_wrapper_attributes'), 10, 2);
        
        // New sizes compatibility
        add_filter('acf/validate_field/type=acfe_column', array($this, 'new_validate_field'), 20);
        
        parent::__construct();
        
    }
    
    function new_validate_field($field){
        
        if(!acfe_ends_with($field['columns'], '/6'))
            return $field;
        
        if($field['columns'] === '1/6'){
            $field['columns'] = '2/12';
        }elseif($field['columns'] === '2/6'){
            $field['columns'] = '4/12';
        }elseif($field['columns'] === '3/6'){
            $field['columns'] = '6/12';
        }elseif($field['columns'] === '4/6'){
            $field['columns'] = '8/12';
        }elseif($field['columns'] === '5/6'){
            $field['columns'] = '10/12';
        }elseif($field['columns'] === '6/6'){
            $field['columns'] = '12/12';
        }
        
        return $field;
        
    }
    
    function render_field_settings($field){
        
        // columns
        acf_render_field_setting( $field, array(
            'label'         => __('Columns', 'acfe'),
            'instructions'  => '',
            'type'          => 'select',
            'name'          => 'columns',
            'choices'       => array(
                '1/12' => '1/12',
                '2/12' => '2/12',
                '3/12' => '3/12',
                '4/12' => '4/12',
                '5/12' => '5/12',
                '6/12' => '6/12',
                '7/12' => '7/12',
                '8/12' => '8/12',
                '9/12' => '9/12',
                '10/12' => '10/12',
                '11/12' => '11/12',
                '12/12' => '12/12',
            ),
            'class' => 'acfe-field-columns',
            'conditional_logic' => array(
                array(
                    array(
                        'field'     => 'endpoint',
                        'operator'  => '!=',
                        'value'     => '1',
                    )
                )
            )
		));
        
        // endpoint
		acf_render_field_setting( $field, array(
			'label'			=> __('Endpoint','acf'),
			'instructions'	=> __('Define an endpoint for the previous columns to stop.', 'acf'),
			'name'			=> 'endpoint',
			'type'			=> 'true_false',
			'ui'			=> 1,
            'class'         => 'acfe-field-columns-endpoint',
		));
        
    }
    
    function field_wrapper_attributes($wrapper, $field){
        
        if($field['endpoint']){
            
            $wrapper['data-endpoint'] = $field['endpoint'];
            
        }
        
        elseif($field['columns']){
            
            $wrapper['data-columns'] = $field['columns'];
            
        }
        
        return $wrapper;
        
    }
    
    
    function render_field($field){
        
        // vars
		$atts = array(
			'class' => 'acf-fields',
		);
		
		?>
		<div <?php acf_esc_attr_e($atts); ?>></div>
		<?php
        
    }

    function load_field($field){
        
        $columns = '';
        if($field['columns'])
            $columns = ' ' . $field['columns'];
        
        if($field['endpoint'])
            $columns = ' endpoint';
        
        $field['label'] = '(Column' . $columns .')';
        $field['name'] = '';
        $field['instructions'] = '';
        $field['required'] = 0;
        $field['value'] = false;
        
        return $field;
        
    }
    
    function prepare_field($field){
    
        global $pagenow;
        
        // Do not render on User/Term views (because of Table render)
        if(acf_is_screen(array('profile', 'user', 'user-edit')) || $pagenow === 'edit-tags.php' || $pagenow === 'term.php')
            return false;
        
        $field['label'] = false;
        
        return $field;
        
    }

}

// initialize
acf_register_field_type('acfe_field_column');

endif;