# printfriendly/2.0/pf.php

Print, PDF & Email by PrintFriendly, version 2.0. 229 lines.

- Page: https://pluginprobe.com/plugins/printfriendly/2.0/code/pf.php
- Raw: https://pluginprobe.com/plugins/printfriendly/2.0/raw/pf.php
- Modified: 2010-12-20T10:39:26+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/printfriendly/2.0/code/pf.php#L10-L20`.

```php
<?php
  /*
   Plugin Name: Print Friendly &amp; PDF
   Plugin URI: http://www.printfriendly.com/button
   Description: Adds a Print Friendly &amp; PDF button for your pages.  Help your users save paper and ink, and engage with your content. Developed by <a href="http://wordpresswrench.com?ref=printfriendly" target="_blank">WordPress Wrench</a>
   Version: 2.0
   Author: PrintFriendly
   Author URI: http://www.PrintFriendly.com

   Changelog :
   2.0 - New Revision by WordPressWrench.com with a plethora of changes. You may now style your print button much easier.
   1.5 - Added developer ability to disable hook and use the pf_show_link() function to better be used in a custom theme & Uninstall cleanup - by WordpressWrench.com
   1.4 - Changed Name
   1.3 - Added new buttons, removed redundant code.
   1.2 - User can choose to show or not show buttons on the listing page.

  */
  

  
////////////////////////////// Wordpress hooks

// add the settings page
add_action('admin_menu', 'pf_menu');
function pf_menu() {
  add_options_page('PrintFriendly Options', 'PrintFriendly', 'publish_posts', 'printfriendly', 'pf_options');
}

// add the settings link to the plugin page

function pf_settings_link($links) { 
  $settings_link = '<a href="options-general.php?page=printfriendly">Settings</a>'; 
  array_unshift($links, $settings_link); 
  return $links; 
}

// add css, js, and check for updates
if (isset($_GET['page']) && $_GET['page'] == 'printfriendly') {
	add_action('admin_print_scripts', 'pf_admin_scripts');
	add_action('admin_print_styles', 'pf_admin_styles');
	add_action('admin_head', 'pf_css_in_admin_head');
	if(get_option('pf_text_color')==null){
		//old install or something is fishy! lets run the install!
		printfriendly_activation_handler();
	}
}

$pf_pluginbase = plugin_basename(__FILE__); 
add_filter('plugin_action_links_'.$pf_pluginbase, 'pf_settings_link');

// automaticaly add the link
add_action('the_content', 'pf_show_link');

// lets start our mess!
function printfriendly_activation_handler(){
	update_option('pf_margin_top',0);
	update_option('pf_margin_right',0);
	update_option('pf_margin_bottom',0);
	update_option('pf_margin_left',0);
	
	
	update_option('pf_text_color','#55750C');
	update_option('pf_text_size','12');
	if(get_option('pf_show_list')==0){
		update_option('pf_show_list','all');
	}elseif(get_option('pf_show_list')==1){
		update_option('pf_show_list','single');
	}
	if(get_option('pf_disable_prepend')==1){
		update_option('pf_show_list','manual');
	}
	delete_option('pf_disable_prepend');
}

// lets clean our mess when we are done and properly 
function printfriendly_deactivation_handler(){
	delete_option('pf_button_type');	
	delete_option('pf_custom_text');
	
	delete_option('pf_custom_image');
	
	delete_option('pf_show_list');
	delete_option('pf_content_placement');
	delete_option('pf_content_position');
	
	delete_option('pf_margin_top');
	delete_option('pf_margin_right');
	delete_option('pf_margin_bottom');
	delete_option('pf_margin_left');
}
register_activation_hook(__FILE__, 'printfriendly_activation_handler');
register_uninstall_hook(__FILE__, 'printfriendly_deactivation_handler');

// add CSS into admin panel
function pf_css_in_admin_head() {
	$url = plugins_url().'/'.str_replace(basename( __FILE__),"",plugin_basename(__FILE__)).'/admin.css';
	echo "<link rel='stylesheet' type='text/css' href='$url' />\n";
}

////////////////////////////// Admin Settings

function pf_options(){	
	include_once('pf_admin.php');
}

// setup for uploads
function pf_admin_scripts() {
	wp_enqueue_script('media-upload');
	wp_enqueue_script('thickbox');
	wp_register_script('pf-color-picker', plugins_url().'/'.str_replace(basename( __FILE__),"",plugin_basename(__FILE__)).'/colorpicker.js', array('jquery','media-upload','thickbox'));
	wp_register_script('pf-admin-js', plugins_url().'/'.str_replace(basename( __FILE__),"",plugin_basename(__FILE__)).'/admin.js', array('jquery','media-upload','thickbox'));
	wp_enqueue_script('pf-color-picker');
	wp_enqueue_script('pf-admin-js');
}
function pf_admin_styles() {
	wp_enqueue_style('thickbox');
}

////////////////////////////// Where all the magic happens

// add js into the head
function pf_js(){ 
	return '<script src="http://cdn.printfriendly.com/printfriendly.js" type="text/javascript"></script>';	
}

function pf_radio($name){
	$var = '<input name="pf_button_type" type="radio" value="'.$name.'"'; if($name=="pf-button-big.gif"){$var .= ' class="bigger"';} if( get_option('pf_button_type') == $name || ($name=="pf-button.gif" && get_option('pf_button_type')==null) ){$var .= ' checked="checked"'; } $var .= '/>';
	return $var.pf_button($name);
}

function pf_button($name=false){
	if($name==false){
		$name = get_option('pf_button_type');
		//null
		if($name==null){
			$name='pf-button.gif';
		}
	}
	$text = get_option('pf_custom_text');
	if( $text == null){
		$text = 'Print Friendly';
	}
	switch($name){		
		case "custom-image":
			$custom_image = get_option('pf_custom_image');
			if($custom_image==null){
				return '';
			}
			$return = '<img class="printfriendly" src="'.$custom_image.'" />';
			if( get_option('pf_custom_text') != null){
				$return .='<span class="printfriendly" style="font-size:'.get_option('pf_text_size').'px; margin-left:3px;  color: '.get_option('pf_text_color').';">'.$text.'</span>';
			}
			return $return;
		break;
		
		case "text-only":
			return '<span class="printfriendly" style="font-size: '.get_option('pf_text_size').'px; margin-left:3px; color: '.get_option('pf_text_color').';">'.$text.'</span>';
		break;
		
		case "pf-icon-both.gif":
			return '<img class="printfriendly" style="border:none; padding:0;" src="http://cdn.printfriendly.com/pf-print-icon.gif" alt="Print Friendly"/><span class="printandpdf" style="font-size:'.get_option('pf_text_size').'; margin-left:3px; color:'.get_option('pf_text_color').';"> Print <img src="http://cdn.printfriendly.com/pf-pdf-icon.gif" alt="Get a PDF version of this webpage" /> PDF </span>';
		break;
		
		case "pf-icon-small.gif":
		case "pf-icon.gif":
			$size = get_option('pf_text_size');
			if($name=="pf-icon.gif" && $size==12){
				$size= 'font-size:'.($size+3).'px; ';
			}else{
				$size ='font-size:'.$size.'px; ';
			}
			return '<img class="printfriendly" src="http://cdn.printfriendly.com/'.$name.'" alt="Print Friendly"/><span style="'.$size.'margin-left:3px; color: '.get_option('pf_text_color').';">'.$text.'</span>';
		break;
		
		case "pf-button.gif":
		case "pf-button-big.gif":
		case "pf-button-both.gif":
			return '<img class="printfriendly" src="http://cdn.printfriendly.com/'.$name.'" alt="PrintFriendly" />';
		break;
	}
}

function pf_margin_down($dir){
	$margin = get_option('pf_margin_'.$dir);
	if($margin == null){
		return '0';
	}else{
		return $margin;
	}
}

// add button
function pf_show_link($content=false){
	$pf_display = get_option('pf_show_list');
	if( ($pf_display=='all' || $pf_display == null) || ($pf_display=='single' && (is_single() || is_page()) ) || ($pf_display=='manual' && $content==false) ){
		if($content==false){$content = '';}
		// now lets get options setup before we start ouputting data
		$style=' style="text-align:';
		// position
		$pos = get_option('pf_content_position');
		if($pos==null){$pos='left';}
		$style.=$pos.';';
		
		//margin
		$style.=' margin: '.pf_margin_down('top').'px '.pf_margin_down('right').'px '.pf_margin_down('bottom').'px '.pf_margin_down('left').'px;';
		
		$style.='" ';
		
		if(is_single() || is_page()){
			$add = pf_js();
		}else{
			$add = '';
		}
		$post_url = get_permalink();
		$separator = "?pfstyle=wp";
		if (strpos($post_url,"?")!=false){ 
			$separator = "&pfstyle=wp";
		}
		$plink_url =  $post_url . $separator;
		$button = '<div'.$style.'class="pfButton">'.$add.'<a href="'.$plink_url.'">'.pf_button().'</a></div>';
		if(get_option('pf_content_placement')==null){
			return $content.$button;
		}else{
			return $button.$content;
		}
	}else{
		return $content;
	}
}
```