# maxbuttons/6.7/blocks/advanced.php

MaxButtons – Create buttons, version 6.7. 209 lines.

- Page: https://pluginprobe.com/plugins/maxbuttons/6.7/code/blocks/advanced.php
- Raw: https://pluginprobe.com/plugins/maxbuttons/6.7/raw/blocks/advanced.php
- Modified: 2016-11-21T09:57:06+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/maxbuttons/6.7/code/blocks/advanced.php#L10-L20`.

```php
<?php
defined('ABSPATH') or die('No direct access permitted');
$blockClass["advanced"] = "advancedBlock"; 
$blockOrder[80][] = "advanced"; 

use MaxButtons\maxBlocks  as maxBlocks;
use MaxButtons\maxField   as maxField;

class advancedBlock extends maxBlock 
{
	protected $blockname = "advanced"; 
	protected $fields = array("important_css" => array("default" => "0"),
						"custom_rel" => array('default' => ''), 
						"extra_classes" => array('default' => ''), 
						"external_css" => array("default" => "0"),
					

  						
						); 
	
 	public function __construct()
 	{
 		parent::__construct(); 
 		add_filter('mb-css-blocks', array($this, 'parse_css_advanced'), 1001, 2);  // run once
 		//add_filter('mb-css-blocks', array($this, 'preview_external_css'), 100 )
	}
	
	public function parse_css($css,  $mode = 'normal')
	{
		$css = parent::parse_css($css);
		$data = $this->data[$this->blockname]; 
		
		if (isset($data["important_css"]) && $data["important_css"] == 1)
		{
			$css["settings"]["important"] = 1; 
		}	

		return $css; 	
	}
	
	public function parse_css_advanced($css, $mode)
	{
		$data = $this->data[$this->blockname]; 
		if (isset($data["external_css"]) && $data["external_css"] == 1 && $mode == 'normal') 
		{
 
			return array(
				"normal" => array(), 
				"hover" => array());
		}

		return $css;
	}
	
 	public function parse_button($domObj, $mode = 'normal')
	{
 
		$data = $this->data[$this->blockname]; 
		
		$button_id = $this->data["id"]; 
		
		$anchor = $domObj->find("a",0); 		
 
 		if (isset($data["custom_rel"]) && trim($data["custom_rel"]) != '')
 		{
 			$rel = ''; 
 			$custom_rel = trim($data["custom_rel"]);
 			if (isset($anchor->rel) && $anchor->rel != '') 
 			{
 				$anchor->rel .= ' ';
 			}
 			
 			$anchor->rel .= $custom_rel;
 		}
 		
 		if (isset($data["extra_classes"]) && trim($data["extra_classes"]) != '') 
 		{
 			$extra = trim($data["extra_classes"]); 
 			$anchor->class .= ' ' . $extra; 
 		
 		}
 		
 
 		return $domObj; 
 		
 	}
	
	public function admin_fields() 
	{
		$data = $this->data[$this->blockname]; 

		foreach($this->fields as $field => $options)
		{		
 	 	    $default = (isset($options["default"])) ? $options["default"] : ''; 
			$$field = (isset($data[$field])) ? $data[$field] : $default;
			${$field  . "_default"} = $default; 
			
			global $maxbuttons_container_alignments; 
		}
		
 
?>		
	
			<div class="option-container mb_tab">
				<div class="title"><?php _e('Advanced', 'maxbuttons') ?></div>
				<div class="inside advanced">
				
					<?php 
					
			/*	$fspacer = new maxField('spacer'); 
				$fspacer->label = __('Use !Important', 'maxbuttons'); 
				$fspacer->name = '';  
				$fspacer->note = __('Adding !important to the button styles can help avoid potential conflicts with your theme styles.', 'maxbuttons') ;
				$fspacer->output('start'); 
			*/	
				
				$imp = new maxField('switch'); 
				$imp->note = __('Adding !important to the button styles can help avoid potential conflicts with your theme styles.', 'maxbuttons') ;
				$imp->id = 'important_css'; 
				$imp->name = $imp->id;
				$imp->value = 1; 
				$imp->label = __('Use !Important', 'maxbuttons');
				$imp->checked = checked(maxBlocks::getValue('important_css'), 1, false);
				//$imp->value = maxBlocks::getValue('important_css');
				$imp->output('start','end');
				
				$class = new maxField(); 
				$class->id = 'extra_classes'; 
				$class->name = $class->id; 
				$class->label = __("Extra classes","maxbuttons");
				$class->value = maxBlocks::getValue($class->id); 
				$class->note = __("Useful for custom code or other plugins who target classes", "maxbuttons");
				$class->output('start','end');
				
				$rel = new maxField(); 
				$rel->id = 'custom_rel';
				$rel->name = $rel->id; 
				$rel->label = __("Custom Rel Tag","maxbuttons");
				$rel->value = maxBlocks::getValue($rel->id); 
				$rel->note = __("Useful when button is targeting lightbox and/or popup plugins that use this method", "maxbuttons");
				$rel->output('start','end');
				
				do_action('mb-after-advanced');
				
				
				$nocss = new maxField('switch');
				$nocss->note = __('By default, the CSS styles for the button are rendered within a &lt;style&gt; block in the HTML body. Enabling the "Use External CSS" option allows you to put the CSS code for the button into your theme stylesheet instead.', 'maxbuttons'); 
				$nocss->label = __('Use External CSS', 'maxbuttons');
				$nocss->id = 'external_css'; 
				$nocss->value = 1;
				$nocss->name = $nocss->id; 
				$nocss->checked = checked($external_css, 1, false);
				$nocss->output('start','');
				
				$nospace = new maxField('spacer'); 
				$nospace->content = __("Warning: This will remove all styling of the buttons!","maxbuttons"); 
				$nospace->output('','end');	
					?>					


										
 
					
					<div class="option-design">
						<div class="label">&nbsp;</div>
						<div class="input"><a id="view_css_modal" name="view_css" href="javascript:void(0)" class="button maxmodal" data-modal="view-css"><?php _e('View CSS', 'maxbuttons') ?></a></div>
						<div class="clear"></div>
						
						<div id="view-css" class="maxmodal-data" >	
								<h3 class="title"><?php _e("External CSS","maxbuttons"); ?></h3>
							<div class="content">
								<p><?php _e('If the "Use External CSS" option is enabled for this button, copy and paste the CSS code below into your theme stylesheet.', 'maxbuttons') ?></p>
							
							<textarea id="maxbutton-css" readonly="readonly">
							<?php 
								if (isset($this->data["id"]) && $this->data['id'] > 0)
								{
									$id = $this->data["id"];
									$b = new maxButton(); 

									$b->set($id);
									$b->parse_button();
									$b->parse_css("preview"); 

									echo $b->getparsedCSS();
									
								}
 								else
 								{ _e("Please save the button first","maxbuttons"); }
								
							 ?></textarea>
							 </div>
							 <div class='controls'>
							 	<p><a class='button-primary modal_close' href='javascript:void(0);'><?php _e("Close","maxbuttons"); ?></a>
							 	</p>
							 </div>
						</div>

					</div>
				</div>
			</div>

<?php 
} // admin_fields

} // class

?>

```