/wp-content/themes/liguelista/library/admin/javo-custom-fileds.php

<?php

class javo_custom_field{

	public function __construct(){
		add_filter('javo_custom_field', Array('javo_custom_field', 'insert_field'), 10, 5);
		add_action('save_post', Array(__class__, 'javo_custom_in_post_save_callback'));
		add_action('wp_ajax_get_custom_field_form', Array($this, 'wp_ajax_get_custom_field_form_callback'));
		add_action('wp_ajax_nopriv_get_custom_field_form', Array($this, 'wp_ajax_get_custom_field_form_callback'));
	}

	public function wp_ajax_get_custom_field_form_callback(){
		$javo_get_custom_filed_id = 'id'.md5( strtotime( date( 'YmdHis' ) ).rand(10,1000000) );
		ob_start();?>
		<div class="postbox-container" style='width:100%;'>
			<div class="meta-box-sortables">
				<div class="postbox">
					<h3>
						<label style="font:0.7em/0.7em 'Trebuchet MS', Helvetica, sans-serif; color:#868686;"><?php _e('Field Attributes', 'javo_fr');?></label>
					</h3>
					<div class="inside">
						<dl>
							<dt><?php _e('Input Label', 'javo_fr');?></dt>
							<dd>
								<input type="hidden" name="javo_ts[custom_field][<?php echo $javo_get_custom_filed_id;?>][name]" value="<?php echo $javo_get_custom_filed_id;?>">
								<input type="text" name="javo_ts[custom_field][<?php echo $javo_get_custom_filed_id;?>][label]" value="">
							</dd>
						</dl>
						<dl>
							<dt><?php _e('Element Type', 'javo_fr');?></dt>
							<dd>
								<select name="javo_ts[custom_field][<?php echo $javo_get_custom_filed_id;?>][type]">
									<?php
									echo $this->insert_option(Array(
									__('Text Field', 'javo_fr')		=> 'text'
									, __('Textarea', 'javo_fr')		=> 'textarea'
									, __('Select Box', 'javo_fr')	=> 'select'
									));?>
								</select>
							</dd>
						</dl>
						<dl>
							<dt><?php _e('Values', 'javo_fr');?></dt>
							<dd>
								<input name="javo_ts[custom_field][<?php echo $javo_get_custom_filed_id;?>][value]" value="">
							</dd>
						</dl>
						<dl>
							<dt><?php _e('CSS Class Name', 'javo_fr');?></dt>
							<dd><input name="javo_ts[custom_field][<?php echo $javo_get_custom_filed_id;?>][css]" value=""></dd>
						</dl>
						<dl>
							<dt></dt>
							<dd>
								<a class="button button-warning javo-remove-custom-field"><?php _e('Remove', 'javo_fr');?></a>
							</dd>
						</dl>
					</div>
				</div><!-- PostBox End -->
			</div><!-- PostBox Sortable End -->
		</div><!-- PostBox Container End -->


		<?php
		$javo_get_this_content = ob_get_clean();
		echo json_encode(Array(
			'output'=> $javo_get_this_content
		));
		exit;
	}

	static function javo_custom_in_post_save_callback($post_id){
		$javo_query = new javo_ARRAY( $_POST );

		if( $javo_query->get('javo_custom_field', null ) != null ){
			update_post_meta($post_id, 'custom_variables', $javo_query->get('javo_custom_field'));
		};
	}

	public function insert_option( $options, $default=NULL){
		$javo_this_output ="";
		foreach( (Array) $options as $key=> $value){
			$javo_this_output .= sprintf('<option value="%s"%s>%s</option>', $value, ($value == $default ? ' selected': ''), $key);
		}
		return $javo_this_output;
	}


	static function gets(){
		global $post;
		// Output : Label, Value
		$javo_get_custom_variables = get_post_meta($post->ID, 'custom_variables', true);
		if( empty( $javo_get_custom_variables ) ){ return; };
		return $javo_get_custom_variables;
	}
	static function insert_field($label, $type, $attributes = Array(), $values = NULL, $default_value=NULL){

		$javo_this_output = Array('attribute' => '', 'values' => '');

		$attributes['class'] .= ' form-control';
		foreach( (Array)$attributes as $key => $value){
			if($key == 'name'){
				$javo_this_output['attribute'] .= ' '.$key.'="javo_custom_field['.$value.'][value]"';
			}else{
				$javo_this_output['attribute'] .= ' '.$key.'="'.$value.'"';
			};
		}
		$javo_this_output['attribute'] .= ">";

		switch( $type ){
			case 'textarea':
				$javo_this_output['before']		= '<textarea';
				$javo_this_output['after']		= '</textarea>';
				$javo_this_output['values']		= $default_value != NULL ? $default_value : $values;
			break;
			case 'select':
				$javo_this_output['before']		= '<select';
				if( !empty( $values ) ){
					$javo_this_values = explode(',', $values);
					foreach($javo_this_values as $value){
						$javo_this_output['values'] .= sprintf('<option value="%s"%s>%s</option>'
							, trim($value)
							, (trim($value) == trim($default_value)? ' selected="selected"':'' )
							, trim($value)
						);
					};
				};
				$javo_this_output['after']		= '</select>';
			break;
			case 'text':
			default:
				$javo_this_output['before']		= '<input type="text" value="'. ( $default_value != NULL ? $default_value : $values ).'"';
				$javo_this_output['after']		= '';
			break;
		};
		ob_start();?>
		<div class="form-group">
			<div class="input-group">
				<span class="input-group-addon"><?php echo $label;?></span>
				<?php echo $javo_this_output['before'].$javo_this_output['attribute'].$javo_this_output['values'].$javo_this_output['after'];?>
			</div>
			<input type="hidden" name="javo_custom_field[<?php echo $attributes['name'];?>][label]" value="<?php echo $label;?>">
		</div>


		<?php
		return ob_get_clean();
	}

	public function form(){
		global $javo_tso, $edit;

		$javo_get_custom_field = $javo_tso->get('custom_field', null);
		$javo_get_custom_variables = Array();
		if(!empty($edit)){
			$javo_get_custom_variables = get_post_meta($edit->ID, 'custom_variables', true);
		}
		ob_start();?>
		<?php
		if( !empty( $javo_get_custom_field ) ){
			foreach( $javo_get_custom_field as $key => $field){
				if( !empty( $javo_get_custom_variables[$field['name']] )){
					$javo_this_form_data = new javo_ARRAY( $javo_get_custom_variables[$field['name']] );
				};
				echo apply_filters(
					'javo_custom_field'
					, $field['label']
					, $field['type']
					, Array(
						'name'=> $field['name']
						, 'class'=> $field['css']
					), $field['value']
					, (!empty($javo_this_form_data)? $javo_this_form_data->get('value', NULL) : NULL)
				);
			};
		};
		return ob_get_clean();
	}
	public function admin(){
		global $javo_tso;
		$javo_get_custom_field = $javo_tso->get('custom_field', null);
		ob_start(); ?>
		<div class="javo_custom_field_forms">
			<?php
			if( !empty($javo_get_custom_field) ){
				foreach($javo_get_custom_field as $key => $field){
					$javo_field_string = new javo_Array($field);
					?>
					<div class="postbox-container" style='width:100%;'>
						<div class="meta-box-sortables">
							<div class="postbox">
								<h3>
									<label style="font:0.7em/0.7em 'Trebuchet MS', Helvetica, sans-serif; color:#868686;"><?php _e('Field Attributes', 'javo_fr');?></label>
								</h3>
								<div class="inside">
									<dl>
										<dt><?php _e('Input Label', 'javo_fr');?></dt>
										<dd>
											<input type="hidden" name="javo_ts[custom_field][<?php echo $key;?>][name]" value="<?php echo $field['name'];?>">
											<input type="text" name="javo_ts[custom_field][<?php echo $key;?>][label]" value="<?php echo $javo_field_string->get('label');?>">
										</dd>
									</dl>
									<dl>
										<dt><?php _e('Element Type', 'javo_fr');?></dt>
										<dd>
											<select name="javo_ts[custom_field][<?php echo $key;?>][type]">
												<?php
												echo $this->insert_option(Array(
												__('Text Field', 'javo_fr')		=> 'text'
												, __('Textarea', 'javo_fr')		=> 'textarea'
												, __('Select Box', 'javo_fr')	=> 'select'
												), $field['type']);?>
											</select>
										</dd>
									</dl>
									<dl>
										<dt><?php _e('Values', 'javo_fr');?></dt>
										<dd>
											<input name="javo_ts[custom_field][<?php echo $key;?>][value]" value="<?php echo $javo_field_string->get('value');?>">
										</dd>
									</dl>
									<dl>
										<dt><?php _e('CSS Class Name', 'javo_fr');?></dt>
										<dd>
											<input name="javo_ts[custom_field][<?php echo $key;?>][css]" value="<?php echo $javo_field_string->get('css');?>">
										</dd>
									</dl>
									<dl>
										<dt></dt>
										<dd>
											<a class="button button-warning javo-remove-custom-field"><?php _e('Remove', 'javo_fr');?></a>
										</dd>
									</dl>
								</div>
							</div><!-- PostBox End -->
						</div><!-- PostBox Sortable End -->
					</div><!-- PostBox Container End -->


					<?php
				};
			};?>
		</div>
		<a class="button button-primary javo-add-custom-field"><?php _e('Add New Field', 'javo_fr');?></a>
		<script type="text/javascript">
		(function($){
			"use strict";
			$(document).on('click', '.javo-add-custom-field', function(){
				var $this = $(this);
				var javo_get_custom_field_form_ajax = {
					url:'<?php echo admin_url("admin-ajax.php");?>'
					, type: 'post'
					, dataType: 'json'
					, data:{ action:'get_custom_field_form' }
					, success:function(d){
						$('body').find('.javo_custom_field_forms').append( d.output );
						$this.removeClass('disabled');
					}
				};
				if( !$this.hasClass('disabled') ){
					$this.addClass('disabled');
					$.ajax( javo_get_custom_field_form_ajax );
				};
			}).on('click', '.javo-remove-custom-field', function(){
				$(this).closest('.postbox-container').remove();




			});

		})(jQuery);


		</script>

		<?php
		return ob_get_clean();
	}

};
global $javo_custom_field;
$javo_custom_field = new javo_custom_field();