<?php
if ( ! class_exists('NHP_Options') ){
	
	if(!defined('NHP_OPTIONS_DIR')){
		define('NHP_OPTIONS_DIR', trailingslashit(dirname(__FILE__)));
	}
	
	if(!defined('NHP_OPTIONS_URL')){
		define('NHP_OPTIONS_URL', site_url(str_replace(ABSPATH, '', trailingslashit(dirname(__FILE__)))));
	}
	
class NHP_Options{
	
	public $framework_url = 'http://leemason.github.com/NHP-Theme-Options-Framework/';
	public $framework_version = '1.0.5';
		
	public $dir = NHP_OPTIONS_DIR;
	public $url = NHP_OPTIONS_URL;
	public $page = '';
	public $args = array();
	public $sections = array();
	public $extra_tabs = array();
	public $errors = array();
	public $warnings = array();
	public $options = array();
	
	

	/**
	 * Class Constructor. Defines the args for the theme options class
	 *
	 * @since NHP_Options 1.0
	 *
	 * @param $array $args Arguments. Class constructor arguments.
	*/
	function __construct($sections = array(), $args = array(), $extra_tabs = array()){
		
		$defaults = array();
		
		$defaults['opt_name'] = '';//must be defined by theme/plugin
		
		$defaults['menu_icon'] = NHP_OPTIONS_URL.'/img/menu_icon.png';
		$defaults['menu_title'] = __('Options', 'nhp-opts');
		$defaults['page_icon'] = 'icon-themes';
		$defaults['page_title'] = __('Options', 'nhp-opts');
		$defaults['page_slug'] = '_options';
		$defaults['page_cap'] = 'manage_options';
		$defaults['page_type'] = 'menu';
		$defaults['page_parent'] = '';
		$defaults['page_position'] = 100;
		
		$defaults['show_import_export'] = true;
		$defaults['dev_mode'] = true;
		$defaults['stylesheet_override'] = false;
		
		$defaults['footer_credit'] = __('', 'nhp-opts');
		
		$defaults['help_tabs'] = array();
		$defaults['help_sidebar'] = __('', 'nhp-opts');
		
		//get args
		$this->args = wp_parse_args($args, $defaults);
		$this->args = apply_filters('nhp-opts-args', $this->args);
		$this->args = apply_filters('nhp-opts-args-'.$this->args['opt_name'], $this->args);
		
		//get sections
		$this->sections = apply_filters('nhp-opts-sections', $sections);
		$this->sections = apply_filters('nhp-opts-sections-'.$this->args['opt_name'], $this->sections);
		
		//get extra tabs
		$this->extra_tabs = apply_filters('nhp-opts-extra-tabs', $extra_tabs);
		$this->extra_tabs = apply_filters('nhp-opts-extra-tabs-'.$this->args['opt_name'], $this->extra_tabs);
		
		//set option with defaults
		add_action('init', array(&$this, '_set_default_options'));
		
		//options page
		add_action('admin_menu', array(&$this, '_options_page'));
		
		//register setting
		add_action('admin_init', array(&$this, '_register_setting'));
		
		//add the js for the error handling before the form
		add_action('nhp-opts-page-before-form', array(&$this, '_errors_js'), 1);
		
		//add the js for the warning handling before the form
		add_action('nhp-opts-page-before-form', array(&$this, '_warnings_js'), 2);
		
		//hook into the wp feeds for downloading the exported settings
		add_action('do_feed_nhpopts', array(&$this, '_download_options'), 1, 1);
		
		//get the options for use later on
		$this->options = get_option($this->args['opt_name']);
		
	}//function
	
	
	/**
	 * ->get(); This is used to return and option value from the options array
	 *
	 * @since NHP_Options 1.0.1
	 *
	 * @param $array $args Arguments. Class constructor arguments.
	*/
	function get($opt_name, $default = null){
		return (!empty($this->options[$opt_name])) ? $this->options[$opt_name] : $default;
	}//function
	
	/**
	 * ->set(); This is used to set an arbitrary option in the options array
	 *
	 * @since NHP_Options 1.0.1
	 * 
	 * @param string $opt_name the name of the option being added
	 * @param mixed $value the value of the option being added
	 */
	function set($opt_name, $value) {
		$this->options[$opt_name] = $value;
		update_option($this->args['opt_name'], $this->options);
	}
	
	/**
	 * ->show(); This is used to echo and option value from the options array
	 *
	 * @since NHP_Options 1.0.1
	 *
	 * @param $array $args Arguments. Class constructor arguments.
	*/
	function show($opt_name){
		$option = $this->get($opt_name);
		if(!is_array($option)){
			echo $option;
		}
	}//function
	
	
	
	/**
	 * Get default options into an array suitable for the settings API
	 *
	 * @since NHP_Options 1.0
	 *
	*/
	function _default_values(){
		
		$defaults = array();
		
		foreach($this->sections as $k => $section){
			
			if(isset($section['fields'])){
		
				foreach($section['fields'] as $fieldk => $field){
					
					if(!isset($field['std'])){$field['std'] = '';}
						
						$defaults[$field['id']] = $field['std'];
					
				}//foreach
			
			}//if
			
		}//foreach
		
		//fix for notice on first page load
		$defaults['last_tab'] = 0;

		return $defaults;
		
	}
	
	
	
	/**
	 * Set default options on admin_init if option doesnt exist (theme activation hook caused problems, so admin_init it is)
	 *
	 * @since NHP_Options 1.0
	 *
	*/
	function _set_default_options(){
		if(!get_option($this->args['opt_name'])){
			add_option($this->args['opt_name'], $this->_default_values());
		}
		$this->options = get_option($this->args['opt_name']);
	}//function
	
	
	/**
	 * Class Theme Options Page Function, creates main options page.
	 *
	 * @since NHP_Options 1.0
	*/
	function _options_page(){
		if($this->args['page_type'] == 'submenu'){
			if(!isset($this->args['page_parent']) || empty($this->args['page_parent'])){
				$this->args['page_parent'] = 'themes.php';
			}
			$this->page = add_theme_page(
							$this->args['page_title'], 
							$this->args['menu_title'], 
							$this->args['page_cap'], 
							$this->args['page_slug'], 
							array(&$this, '_options_page_html')
						);
		}//else

		add_action('admin_print_styles-'.$this->page, array(&$this, '_enqueue'));
		add_action('load-'.$this->page, array(&$this, '_load_page'));
	}//function	
	

	/**
	 * enqueue styles/js for theme page
	 *
	 * @since NHP_Options 1.0
	*/
	function _enqueue(){
		
		wp_register_style(
				'nhp-opts-css', 
				$this->url.'css/options.css',
				array('farbtastic'),
				time(),
				'all'
			);
			
		wp_register_style(
			'nhp-opts-jquery-ui-css',
			apply_filters('nhp-opts-ui-theme', $this->url.'css/jquery-ui-aristo/aristo.css'),
			'',
			time(),
			'all'
		);
			
			
		if(false === $this->args['stylesheet_override']){
			wp_enqueue_style('nhp-opts-css');
		}
		
		
		wp_enqueue_script(
			'nhp-opts-js', 
			$this->url.'js/options.js', 
			array('jquery'),
			time(),
			true
		);
		
		do_action('nhp-opts-enqueue');
		
		do_action('nhp-opts-enqueue-'.$this->args['opt_name']);
		
		
		foreach($this->sections as $k => $section){
			
			if(isset($section['fields'])){
				
				foreach($section['fields'] as $fieldk => $field){
					
					if(isset($field['type'])){
					
						$field_class = 'NHP_Options_'.$field['type'];
						
						if(!class_exists($field_class)){
							require_once($this->dir.'fields/'.$field['type'].'/field_'.$field['type'].'.php');
						}//if
				
						if(class_exists($field_class) && method_exists($field_class, 'enqueue')){
							$enqueue = new $field_class('','',$this);
							$enqueue->enqueue();
						}//if
						
					}//if type
					
				}//foreach
			
			}//if fields
			
		}//foreach
			
		
	}//function
	
	/**
	 * Download the options file, or display it
	 *
	 * @since NHP_Options 1.0.1
	*/
	function _download_options(){
		if(!isset($_GET['secret']) || $_GET['secret'] != md5(AUTH_KEY.SECURE_AUTH_KEY)){wp_die('Invalid Secret for options use');exit;}
		if(!isset($_GET['option'])){wp_die('No Option Defined');exit;}
		$backup_options = get_option($_GET['option']);
		$backup_options['nhp-opts-backup'] = '1';
		$content = '###'.serialize($backup_options).'###';
		
		
		if(isset($_GET['action']) && $_GET['action'] == 'download_options'){
			header('Content-Description: File Transfer');
			header('Content-type: application/txt');
			header('Content-Disposition: attachment; filename="'.$_GET['option'].'_options_'.date('d-m-Y').'.txt"');
			header('Content-Transfer-Encoding: binary');
			header('Expires: 0');
			header('Cache-Control: must-revalidate');
			header('Pragma: public');
			echo $content;
			exit;
		}else{
			echo $content;
			exit;
		}
	}
	
	
	
	
	/**
	 * show page help
	 *
	 * @since NHP_Options 1.0
	*/
	function _load_page(){
		
		//do admin head action for this page
		add_action('admin_head', array(&$this, 'admin_head'));
		
		//do admin footer text hook
		add_filter('admin_footer_text', array(&$this, 'admin_footer_text'));
		
		$screen = get_current_screen();
		
		if(is_array($this->args['help_tabs'])){
			foreach($this->args['help_tabs'] as $tab){
				$screen->add_help_tab($tab);
			}//foreach
		}//if
		
		if($this->args['help_sidebar'] != ''){
			$screen->set_help_sidebar($this->args['help_sidebar']);
		}//if
		
		do_action('nhp-opts-load-page', $screen);
		
		do_action('nhp-opts-load-page-'.$this->args['opt_name'], $screen);
		
	}//function
	
	
	/**
	 * do action nhp-opts-admin-head for theme options page
	 *
	 * @since NHP_Options 1.0
	*/
	function admin_head(){
		
		do_action('nhp-opts-admin-head', $this);
		
		do_action('nhp-opts-admin-head-'.$this->args['opt_name'], $this);
		
	}
	
	
	function admin_footer_text($footer_text){
		return $this->args['footer_credit'];
	}//function
	
	
	
	
	/**
	 * Register Option for use
	 *
	 * @since NHP_Options 1.0
	*/
	function _register_setting(){
		
		register_setting($this->args['opt_name'].'_group', $this->args['opt_name'], array(&$this,'_validate_options'));
		
		foreach($this->sections as $k => $section){
			
			add_settings_section($k.'_section', $section['title'], array(&$this, '_section_desc'), $k.'_section_group');
			
			if(isset($section['fields'])){
			
				foreach($section['fields'] as $fieldk => $field){
					
					if(isset($field['title'])){
					
						$th = (isset($field['sub_desc']))?$field['title'].'<span class="description">'.$field['sub_desc'].'</span>':$field['title'];
					}else{
						$th = '';
					}
					
					add_settings_field($fieldk.'_field', $th, array(&$this,'_field_input'), $k.'_section_group', $k.'_section', $field); // checkbox
					
				}//foreach
			
			}//if(isset($section['fields'])){
			
		}//foreach
		
		do_action('nhp-opts-register-settings');
		
		do_action('nhp-opts-register-settings-'.$this->args['opt_name']);
		
	}//function
	
	
	
	/**
	 * Validate the Options options before insertion
	 *
	 * @since NHP_Options 1.0
	*/
	function _validate_options($plugin_options){
		
		set_transient('nhp-opts-saved', '1', 1000 );
		
		if(!empty($plugin_options['import'])){
			
			if($plugin_options['import_code'] != ''){
				$import = $plugin_options['import_code'];
			}elseif($plugin_options['import_link'] != ''){
				$import = wp_remote_retrieve_body( wp_remote_get($plugin_options['import_link']) );
			}
			
			$imported_options = unserialize(trim($import,'###'));
			if(is_array($imported_options) && isset($imported_options['nhp-opts-backup']) && $imported_options['nhp-opts-backup'] == '1'){
				$imported_options['imported'] = 1;
				return $imported_options;
			}
			
			
		}
		
		
		if(!empty($plugin_options['defaults'])){
			$plugin_options = $this->_default_values();
			return $plugin_options;
		}//if set defaults

		
		//validate fields (if needed)
		$plugin_options = $this->_validate_values($plugin_options, $this->options);
		
		if($this->errors){
			set_transient('nhp-opts-errors', $this->errors, 1000 );		
		}//if errors
		
		if($this->warnings){
			set_transient('nhp-opts-warnings', $this->warnings, 1000 );		
		}//if errors
		
		do_action('nhp-opts-options-validate', $plugin_options, $this->options);
		
		do_action('nhp-opts-options-validate-'.$this->args['opt_name'], $plugin_options, $this->options);
		
		
		unset($plugin_options['defaults']);
		unset($plugin_options['import']);
		unset($plugin_options['import_code']);
		unset($plugin_options['import_link']);
		
		return $plugin_options;	
	
	}//function
	
	
	
	
	/**
	 * Validate values from options form (used in settings api validate function)
	 * calls the custom validation class for the field so authors can override with custom classes
	 *
	 * @since NHP_Options 1.0
	*/
	function _validate_values($plugin_options, $options){
		foreach($this->sections as $k => $section){
			
			if(isset($section['fields'])){
			
				foreach($section['fields'] as $fieldk => $field){
					$field['section_id'] = $k;
					
					if(isset($field['type']) && $field['type'] == 'multi_text'){continue;}//we cant validate this yet
					
					if(!isset($plugin_options[$field['id']]) || $plugin_options[$field['id']] == ''){
						continue;
					}
					
					//force validate of custom filed types
					
					if(isset($field['type']) && !isset($field['validate'])){
						if($field['type'] == 'color' || $field['type'] == 'color_gradient'){
							$field['validate'] = 'color';
						}elseif($field['type'] == 'date'){
							$field['validate'] = 'date';
						}
					}//if
	
					if(isset($field['validate'])){
						$validate = 'NHP_Validation_'.$field['validate'];
						
						if(!class_exists($validate)){
							require_once($this->dir.'validation/'.$field['validate'].'/validation_'.$field['validate'].'.php');
						}//if
						
						if(class_exists($validate)){
							$validation = new $validate($field, $plugin_options[$field['id']], $options[$field['id']]);
							$plugin_options[$field['id']] = $validation->value;
							if(isset($validation->error)){
								$this->errors[] = $validation->error;
							}
							if(isset($validation->warning)){
								$this->warnings[] = $validation->warning;
							}
							continue;
						}//if
					}//if
					
					
					if(isset($field['validate_callback']) && function_exists($field['validate_callback'])){
						
						$callbackvalues = call_user_func($field['validate_callback'], $field, $plugin_options[$field['id']], $options[$field['id']]);
						$plugin_options[$field['id']] = $callbackvalues['value'];
						if(isset($callbackvalues['error'])){
							$this->errors[] = $callbackvalues['error'];
						}//if
						if(isset($callbackvalues['warning'])){
							$this->warnings[] = $callbackvalues['warning'];
						}//if
						
					}//if
					
					
				}//foreach
			
			}//if(isset($section['fields'])){
			
		}//foreach
		return $plugin_options;
	}//function
	
	
	
	
	
	
	
	
	/**
	 * HTML OUTPUT.
	 *
	 * @since NHP_Options 1.0
	*/
	function _options_page_html(){
		
		echo '<div class="wrap">';
			echo (isset($this->args['intro_text']))?$this->args['intro_text']:'';
			
			do_action('nhp-opts-page-before-form');
			
			do_action('nhp-opts-page-before-form-'.$this->args['opt_name']);

			echo '<form method="post" action="options.php" enctype="multipart/form-data" id="nhp-opts-form-wrapper">';
				settings_fields($this->args['opt_name'].'_group');
				echo '<input type="hidden" id="last_tab" name="'.$this->args['opt_name'].'[last_tab]" value="'.$this->options['last_tab'].'" />';
				
				echo '<div id="nhp-opts-header">';
				
				echo '<a href="http://mythemeshop.com" id="optionpanellogo" class="logo" target="_blank"><img src="'.$this->url.'img/optionpanellogo.png" /></a>';
echo '<span class="headtext">Welcome to your theme\'s mission control center.</span>';

					echo '<input type="submit" name="submit" value="'.__('Save Changes', 'nhp-opts').'" class="button-primary" />';
					echo '<a href="http://community.mythemeshop.com/" class="docsupport" target="_blank"><img src="'.$this->url.'img/support.png" />Support</a>';
					echo '<div class="clear"></div><!--clearfix-->';
				echo '</div>';
				
					if(isset($_GET['settings-updated']) && $_GET['settings-updated'] == 'true' && get_transient('nhp-opts-saved') == '1'){
						if(isset($this->options['imported']) && $this->options['imported'] == 1){
							echo '<div id="nhp-opts-imported">'.__('<strong>Settings Imported!</strong>', 'nhp-opts').'</div>';
						}else{
							echo '<div id="nhp-opts-save">'.__('<strong>Settings Saved!</strong>', 'nhp-opts').'</div>';
						}
						delete_transient('nhp-opts-saved');
					}
					echo '<div id="nhp-opts-save-warn">'.__('<strong>Settings have changed!, you should save them!</strong>', 'nhp-opts').'</div>';
					echo '<div id="nhp-opts-field-errors">'.__('<strong><span></span> error(s) were found!</strong>', 'nhp-opts').'</div>';
					
					echo '<div id="nhp-opts-field-warnings">'.__('<strong><span></span> warning(s) were found!</strong>', 'nhp-opts').'</div>';
				
				echo '<div class="clear"></div><!--clearfix-->';
				
				echo '<div id="nhp-opts-sidebar">';
					echo '<ul id="nhp-opts-group-menu">';
						foreach($this->sections as $k => $section){
							$icon = (!isset($section['icon']))?'<img src="'.$this->url.'img/glyphicons/glyphicons_019_cogwheel.png" /> ':'<img src="'.$section['icon'].'" /> <br/>';
							echo '<li id="'.$k.'_section_group_li" class="nhp-opts-group-tab-link-li">';
								echo '<a href="javascript:void(0);" id="'.$k.'_section_group_li_a" class="nhp-opts-group-tab-link-a" data-rel="'.$k.'">'.$icon.$section['title'].'</a>';
							echo '</li>';
						}
						
						
						
						do_action('nhp-opts-after-section-menu-items', $this);
						
						do_action('nhp-opts-after-section-menu-items-'.$this->args['opt_name'], $this);
						
						if(true === $this->args['show_import_export']){
							echo '<li id="import_export_default_section_group_li" class="nhp-opts-group-tab-link-li">';
									echo '<a href="javascript:void(0);" id="import_export_default_section_group_li_a" class="nhp-opts-group-tab-link-a" data-rel="import_export_default"><img src="'.$this->url.'img/glyphicons/glyphicons_082_roundabout.png" /><br/> '.__('Import / Export', 'nhp-opts').'</a>';
							echo '</li>';
							
						}//if
						
						
						
						
						
						foreach($this->extra_tabs as $k => $tab){
							$icon = (!isset($tab['icon']))?'<img src="'.$this->url.'img/glyphicons/glyphicons_019_cogwheel.png" /> ':'<img src="'.$tab['icon'].'" /> ';
							echo '<li id="'.$k.'_section_group_li" class="nhp-opts-group-tab-link-li">';
								echo '<a href="javascript:void(0);" id="'.$k.'_section_group_li_a" class="nhp-opts-group-tab-link-a custom-tab" data-rel="'.$k.'">'.$icon.$tab['title'].'</a>';
							echo '</li>';
						}

						
						if(true === $this->args['dev_mode']){
							echo '<li id="dev_mode_default_section_group_li" class="nhp-opts-group-tab-link-li">';
									echo '<a href="javascript:void(0);" id="dev_mode_default_section_group_li_a" class="nhp-opts-group-tab-link-a custom-tab" data-rel="dev_mode_default"><img src="'.$this->url.'img/glyphicons/glyphicons_195_circle_info.png" /> '.__('Dev Mode Info', 'nhp-opts').'</a>';
							echo '</li>';
						}//if
						
					echo '</ul>';
				echo '</div>';
				
				echo '<div id="nhp-opts-main">';
				
					foreach($this->sections as $k => $section){
						echo '<div id="'.$k.'_section_group'.'" class="nhp-opts-group-tab">';
							do_settings_sections($k.'_section_group');
						echo '</div>';
					}					
					
					
					if(true === $this->args['show_import_export']){
						echo '<div id="import_export_default_section_group'.'" class="nhp-opts-group-tab">';
							echo '<h3>'.__('Import / Export Options', 'nhp-opts').'</h3>';
							
							echo '<h4>'.__('Import Options', 'nhp-opts').'</h4>';
							
							echo '<p><a href="javascript:void(0);" id="nhp-opts-import-code-button" class="button-secondary">Import Code</a></p>';
							
							echo '<div id="nhp-opts-import-code-wrapper">';
							
								echo '<div class="nhp-opts-section-desc">';
				
									echo '<p class="description" id="import-code-description">'.apply_filters('nhp-opts-import-file-description',__('Input your backup code below and hit Import to restore your sites options from a backup.', 'nhp-opts')).'</p>';
								
								echo '</div>';
								
								echo '<textarea id="import-code-value" name="'.$this->args['opt_name'].'[import_code]" class="large-text" rows="8"></textarea>';
							
							echo '</div>';
							
							
							echo '<div id="nhp-opts-import-link-wrapper">';
							
								echo '<div class="nhp-opts-section-desc">';
									
									echo '<p class="description" id="import-link-description">'.apply_filters('nhp-opts-import-link-description',__('Input the URL to another sites options set and hit Import to load the options from that site.', 'nhp-opts')).'</p>';
								
								echo '</div>';

								echo '<input type="text" id="import-link-value" name="'.$this->args['opt_name'].'[import_link]" class="large-text" value="" />';
							
							echo '</div>';
							
							
							
							echo '<p id="nhp-opts-import-action"><input type="submit" id="nhp-opts-import" name="'.$this->args['opt_name'].'[import]" class="button-primary" value="'.__('Import', 'nhp-opts').'"> <span>'.apply_filters('nhp-opts-import-warning', __('WARNING! Importing options will overwrite your existing options, please proceed with caution and consider exporting your current options as backups.', 'nhp-opts')).'</span></p>';
							echo '<div id="import_divide"></div>';
							
							echo '<h4>'.__('Export Options', 'nhp-opts').'</h4>';
							echo '<div class="nhp-opts-section-desc">';
								echo '<p class="description">'.apply_filters('nhp-opts-backup-description', __('Here, you can export and download your current options settings.  Keep this safe, as you can use it for backup in case of an emergency.  You can also use this to restore settings on this site, or on any other site using this theme.  You can also copy the link to your settings, and duplicate it to another site, which is useful if you have a network of blogs that all need the same settings.', 'nhp-opts')).'</p>';
							echo '</div>';
							
								echo '<p><a href="javascript:void(0);" id="nhp-opts-export-code-copy" class="button-secondary">Copy</a></p>';
								$backup_options = $this->options;
								$backup_options['nhp-opts-backup'] = '1';
								$encoded_options = '###'.serialize($backup_options).'###';
								echo '<textarea class="large-text" id="nhp-opts-export-code" rows="8">';print_r($encoded_options);echo '</textarea>';
								echo '<input type="text" class="large-text" id="nhp-opts-export-link-value" value="'.add_query_arg(array('feed' => 'nhpopts', 'secret' => md5(AUTH_KEY.SECURE_AUTH_KEY), 'option' => $this->args['opt_name']), site_url()).'" />';
							
						echo '</div>';
					}
					
					
					
					foreach($this->extra_tabs as $k => $tab){
						echo '<div id="'.$k.'_section_group'.'" class="nhp-opts-group-tab">';
						echo '<h3>'.$tab['title'].'</h3>';
						echo $tab['content'];
						echo '</div>';
					}

					
					
					if(true === $this->args['dev_mode']){
						echo '<div id="dev_mode_default_section_group'.'" class="nhp-opts-group-tab">';
							echo '<h3>'.__('Dev Mode Info', 'nhp-opts').'</h3>';
							echo '<div class="nhp-opts-section-desc">';
							echo '<textarea class="large-text" rows="24">'.print_r($this, true).'</textarea>';
							echo '</div>';
						echo '</div>';
					}
					
					
					do_action('nhp-opts-after-section-items', $this);
					
					do_action('nhp-opts-after-section-items-'.$this->args['opt_name'], $this);
				
					echo '<div class="clear"></div><!--clearfix-->';
				echo '</div>';
				echo '<div class="clear"></div><!--clearfix-->';
				
				echo '<div id="nhp-opts-footer">';
				
					if(isset($this->args['share_icons'])){
						echo '<div id="nhp-opts-share">';
						foreach($this->args['share_icons'] as $link){
							echo '<a href="'.$link['link'].'" title="'.$link['title'].'" target="_blank"><img src="'.$link['img'].'"/></a>';
						}
						echo '</div>';
					}
					
					
					echo '<input type="submit" name="'.$this->args['opt_name'].'[defaults]" value="'.__('Reset to Defaults', 'nhp-opts').'" class="button-secondary" />';
					echo '<div class="clear"></div><!--clearfix-->';
				echo '</div>';
			
			echo '</form>';
			
			do_action('nhp-opts-page-after-form');
			
			do_action('nhp-opts-page-after-form-'.$this->args['opt_name']);
			
			echo '<div class="clear"></div><!--clearfix-->';	
		echo '</div><!--wrap-->';

	}//function
	
	
	
	/**
	 * JS to display the errors on the page
	 *
	 * @since NHP_Options 1.0
	*/	
	function _errors_js(){
		
		if(isset($_GET['settings-updated']) && $_GET['settings-updated'] == 'true' && get_transient('nhp-opts-errors')){
				$errors = get_transient('nhp-opts-errors');
				$section_errors = array();
				foreach($errors as $error){
					$section_errors[$error['section_id']] = (isset($section_errors[$error['section_id']]))?$section_errors[$error['section_id']]:0;
					$section_errors[$error['section_id']]++;
				}
				
				
				echo '<script type="text/javascript">';
					echo 'jQuery(document).ready(function(){';
						echo 'jQuery("#nhp-opts-field-errors span").html("'.count($errors).'");';
						echo 'jQuery("#nhp-opts-field-errors").show();';
						
						foreach($section_errors as $sectionkey => $section_error){
							echo 'jQuery("#'.$sectionkey.'_section_group_li_a").append("<span class=\"nhp-opts-menu-error\">'.$section_error.'</span>");';
						}
						
						foreach($errors as $error){
							echo 'jQuery("#'.$error['id'].'").addClass("nhp-opts-field-error");';
							echo 'jQuery("#'.$error['id'].'").closest("td").append("<span class=\"nhp-opts-th-error\">'.$error['msg'].'</span>");';
						}
					echo '});';
				echo '</script>';
				delete_transient('nhp-opts-errors');
			}
		
	}//function
	
	
	
	/**
	 * JS to display the warnings on the page
	 *
	 * @since NHP_Options 1.0.3
	*/	
	function _warnings_js(){
		
		if(isset($_GET['settings-updated']) && $_GET['settings-updated'] == 'true' && get_transient('nhp-opts-warnings')){
				$warnings = get_transient('nhp-opts-warnings');
				$section_warnings = array();
				foreach($warnings as $warning){
					$section_warnings[$warning['section_id']] = (isset($section_warnings[$warning['section_id']]))?$section_warnings[$warning['section_id']]:0;
					$section_warnings[$warning['section_id']]++;
				}
				
				
				echo '<script type="text/javascript">';
					echo 'jQuery(document).ready(function(){';
						echo 'jQuery("#nhp-opts-field-warnings span").html("'.count($warnings).'");';
						echo 'jQuery("#nhp-opts-field-warnings").show();';
						
						foreach($section_warnings as $sectionkey => $section_warning){
							echo 'jQuery("#'.$sectionkey.'_section_group_li_a").append("<span class=\"nhp-opts-menu-warning\">'.$section_warning.'</span>");';
						}
						
						foreach($warnings as $warning){
							echo 'jQuery("#'.$warning['id'].'").addClass("nhp-opts-field-warning");';
							echo 'jQuery("#'.$warning['id'].'").closest("td").append("<span class=\"nhp-opts-th-warning\">'.$warning['msg'].'</span>");';
						}
					echo '});';
				echo '</script>';
				delete_transient('nhp-opts-warnings');
			}
		
	}//function

	
	
	/**
	 * Section HTML OUTPUT.
	 *
	 * @since NHP_Options 1.0
	*/	
	function _section_desc($section){
		
		$id = rtrim($section['id'], '_section');
		
		if(isset($this->sections[$id]['desc']) && !empty($this->sections[$id]['desc'])) {
			echo '<div class="nhp-opts-section-desc">'.$this->sections[$id]['desc'].'</div>';
		}
		
	}//function
	
	
	
	
	/**
	 * Field HTML OUTPUT.
	 *
	 * Gets option from options array, then calls the speicfic field type class - allows extending by other devs
	 *
	 * @since NHP_Options 1.0
	*/
	function _field_input($field){
		
		
		if(isset($field['callback']) && function_exists($field['callback'])){
			$value = (isset($this->options[$field['id']]))?$this->options[$field['id']]:'';
			do_action('nhp-opts-before-field', $field, $value);
			do_action('nhp-opts-before-field-'.$this->args['opt_name'], $field, $value);
			call_user_func($field['callback'], $field, $value);
			do_action('nhp-opts-after-field', $field, $value);
			do_action('nhp-opts-after-field-'.$this->args['opt_name'], $field, $value);
			return;
		}
		
		if(isset($field['type'])){
			
			$field_class = 'NHP_Options_'.$field['type'];
			
			if(class_exists($field_class)){
				require_once($this->dir.'fields/'.$field['type'].'/field_'.$field['type'].'.php');
			}//if
			
			if(class_exists($field_class)){
				$value = (isset($this->options[$field['id']]))?$this->options[$field['id']]:'';
				do_action('nhp-opts-before-field', $field, $value);
				do_action('nhp-opts-before-field-'.$this->args['opt_name'], $field, $value);
				$render = '';
				$render = new $field_class($field, $value, $this);
				$render->render();
				do_action('nhp-opts-after-field', $field, $value);
				do_action('nhp-opts-after-field-'.$this->args['opt_name'], $field, $value);
			}//if
			
		}//if $field['type']
		
	}//function

	
}//class
}//if
?>