InputfieldFontIcon.module

<?php namespace ProcessWire;

class InputfieldFontIcon extends Inputfield {	
	
	protected $libraryUrl;	

	public static function getModuleInfo() {
		return array(
			'title' => 'InputfieldFontIcon',
			'summary' => 'Simplified version of input field font icons field type.',
			'version' => 1,
			'author' => 'Oluic Sasa',
			'href' => 'http://olsa.me',
			'icon' => 'flag',
			'requires' => array(
				'FieldtypeFontIcon',
            )
		);
	}
	
    // Construct and establish default settings
	public function __construct() {
		parent::__construct();		
		$this->libraryUrl = $this->config->urls->FieldtypeFontIcon . 'Libraries/fontIconPicker-2.0.0/';			
		$this->set('css_url', '');	
        $this->set('prefix', '');
		$this->set('regex_pattern', '/\.(.*?):before/');		
        $this->set('exclude_list', '');        
	}


	public function init() {
        parent::init();		
		$this->config->styles->add($this->libraryUrl . "css/jquery.fonticonpicker.css");		
		$this->config->styles->add($this->libraryUrl . "themes/grey-theme/jquery.fonticonpicker.grey.min.css");        		
		$this->config->scripts->add($this->libraryUrl . "jquery.fonticonpicker.js");		
	}
		
	
	public function ___render() {        		
		
		// load field css file.
        $this->config->styles->add($this->config->urls->templates . $this->css_url);				
				
		$name = $this->attr('name');		
		$this->setAttribute('value', $this->attr('value'));
        
		$icons = array();
        $file_path = $this->config->paths->templates . $this->css_url;
		$file_content = '';
		if(file_exists($file_path))
		{
			$file = fopen($file_path, "r");
			$file_content = fread($file, filesize($file_path));
			fclose($file);
            // parse icons css file			
            preg_match_all($this->regex_pattern, $file_content, $matches);
			$icons = $matches[1];			
		}
		
		// check and set prefix classes (if any)
		$prefix = (trim($this->prefix) !== '') ? trim($this->prefix) . ' ' : '';
		
		$f = $this->modules->get('InputfieldSelect');			
		foreach($icons as $opt) {		
			$f->addOption($prefix . $opt, $opt);			
		}		
		$f->attr('name', $this->attr('name'));		
        $f->attr('value', $this->attr('value'));		
		$output = $f->render();		
		$output.= "<script type='text/javascript'>
		               $(document).ready(function() {  
                           $('#Inputfield_{$this->attr("name")}').fontIconPicker();
						});
				   </script>";	    
		return $output;
	}
	
	

	public function ___getConfigInputfields() {
		$inputfields = parent::___getConfigInputfields();			

		// CSS file path
		$field = $this->modules->get('InputfieldText');
		$field->attr('name', 'css_url');
		$field->attr('value', $this->css_url);
		$field->label = __('Icons CSS file');
		$field->description = __('Path relative to templates folder.');
		$field->columnWidth = 50;
		$inputfields->add($field);
		
		// icons prefix classes
		$field = $this->modules->get('InputfieldText');
		$field->attr('name', 'prefix');
		$field->attr('value', $this->prefix);
		$field->label = __('Icon class prefix');
		$field->description = __('Example: fa or ico, or multiple separated by single space.');		
		$field->columnWidth = 50;
		$inputfields->add($field);		
		
		// regular expression pattern
		$field = $this->modules->get('InputfieldText');
		$field->attr('name', 'regex_pattern');
		$field->attr('value', $this->regex_pattern);
		$field->label = __('Regular expression pattern parser');
		$field->description = __('Example: /\.(.*?):before/');		
		$field->columnWidth = 100;
		$inputfields->add($field);	

		return $inputfields;
	}
}