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codecolorer.php
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codecolorer.php
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<?php
/*
Plugin Name: CodeColorer
Plugin URI: http://kpumuk.info/projects/wordpress-plugins/codecolorer/
Description: This plugin allows you to insert code snippets to your posts with nice syntax highlighting powered by <a href="http://qbnz.com/highlighter/">GeSHi</a> library. After enabling this plugin visit <a href="options-general.php?page=codecolorer.php">the options page</a> to configure code style.
Version: 0.9.9
Author: Dmytro Shteflyuk
Author URI: http://kpumuk.info/
Text Domain: codecolorer
Domain Path: /languages/
*/
/*
Copyright 2006 - 2011 Dmytro Shteflyuk <[email protected]>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Doesn't work if PHP version is not 4.0.6 or higher
*/
if (version_compare(phpversion(), '4.0.6', '<')) {
return;
}
define('CODECOLORER_VERSION', '0.9.9');
/**
* Loader class for the CodeColorer plugin
*/
class CodeColorerLoader {
/**
* Enables the CodeColorer plugin with registering all required hooks.
*/
function Enable() {
$path = dirname(__FILE__);
if (!file_exists("$path/codecolorer-core.php")) return false;
require_once("$path/codecolorer-core.php");
// Add some default options if they don't exist
add_option('codecolorer_css_style', '');
add_option('codecolorer_css_class', '');
add_option('codecolorer_lines_to_scroll', 20);
add_option('codecolorer_width', 435);
add_option('codecolorer_height', 300);
add_option('codecolorer_rss_width', 435);
add_option('codecolorer_line_numbers', false);
add_option('codecolorer_disable_keyword_linking', false);
add_option('codecolorer_tab_size', 4);
add_option('codecolorer_theme', '');
add_option('codecolorer_inline_theme', '');
// Two more options to disable notifications
add_option('codecolorer_language_notification', true);
add_option('codecolorer_concurrent_notification', true);
// Admin panel initialization
add_action('admin_init', array('CodeColorerLoader', 'AdminInit'));
// Add plugin options page
add_action('admin_menu', array('CodeColorerLoader', 'AddPluginOptionsPage'));
// Load CodeColorer styles on admin pages
add_action('admin_print_styles', array('CodeColorerLoader', 'LoadStyles'));
// Show notice when another GeSHi library found
if (get_option('codecolorer_concurrent_notification')) {
add_action('admin_notices', array('CodeColorerLoader', 'CallShowGeshiWarning'));
}
// Load CodeColorer styles on regular pages
add_action('wp_print_styles', array('CodeColorerLoader', 'LoadStyles'));
// Add action links
add_action('plugin_action_links_' . plugin_basename(__FILE__), array('CodeColorerLoader', 'AddPluginActions'));
// Add meta links
add_filter('plugin_row_meta', array('CodeColorerLoader', 'AddPluginLinks'), 10, 2);
// Code highlighting filters
add_filter('the_content', array('CodeColorerLoader', 'CallBeforeHighlightCodeBlock'), -1000);
add_filter('the_content', array('CodeColorerLoader', 'CallAfterHighlightCodeBlock'), 1000);
add_filter('the_excerpt', array('CodeColorerLoader', 'CallBeforeHighlightCodeBlock'), -1000);
add_filter('the_excerpt', array('CodeColorerLoader', 'CallAfterHighlightCodeBlock'), 1000);
add_filter('comment_text', array('CodeColorerLoader', 'CallBeforeHighlightCodeBlock'), -1000);
add_filter('comment_text', array('CodeColorerLoader', 'CallAfterHighlightCodeBlock'), 1000);
add_filter('book_review', array('CodeColorerLoader', 'CallBeforeHighlightCodeBlock'), -1000);
add_filter('book_review', array('CodeColorerLoader', 'CallAfterHighlightCodeBlock'), 1000);
// Code protection filters
add_filter('pre_comment_content', array('CodeColorerLoader', 'CallBeforeProtectComment'), -1000);
add_filter('pre_comment_content', array('CodeColorerLoader', 'CallAfterProtectComment'), 1000);
return true;
}
function AdminInit() {
$plugin_dir = basename(dirname(__FILE__));
load_plugin_textdomain('codecolorer', false, "$plugin_dir/languages");
if (!class_exists('CodeColorerOptions')) {
$path = dirname(__FILE__);
if (!file_exists("$path/codecolorer-options.php")) return false;
require_once("$path/codecolorer-options.php");
}
// Register out options so WordPress knows about them
register_setting('codecolorer', 'codecolorer_css_style', '');
register_setting('codecolorer', 'codecolorer_css_class', '');
register_setting('codecolorer', 'codecolorer_lines_to_scroll', 'intval');
register_setting('codecolorer', 'codecolorer_width', '');
register_setting('codecolorer', 'codecolorer_height', '');
register_setting('codecolorer', 'codecolorer_rss_width', '');
register_setting('codecolorer', 'codecolorer_line_numbers', '');
register_setting('codecolorer', 'codecolorer_disable_keyword_linking', array('CodeColorerOptions', 'SanitizeBoolean'));
register_setting('codecolorer', 'codecolorer_tab_size', 'intval');
register_setting('codecolorer', 'codecolorer_theme', '');
register_setting('codecolorer', 'codecolorer_inline_theme', '');
// Scripts
if (current_user_can('edit_posts') || current_user_can('edit_pages')) {
// Quick tags
add_action('wp_print_scripts', array('CodeColorerLoader', 'RegisterQuicktag'));
// TinyMCE
// temporarily disabled
// if (get_user_option('rich_editing') == 'true') {
// add_filter('mce_external_plugins', array('CodeColorerLoader', 'AddTinyMCEPlugin'));
// add_filter('mce_buttons', array('CodeColorerLoader', 'RegisterTinyMCEButton'));
// }
}
}
function LoadStyles() {
$css_url = plugins_url(basename(dirname(__FILE__)) . '/codecolorer.css');
wp_register_style('codecolorer', $css_url, array(), CODECOLORER_VERSION, 'screen');
wp_enqueue_style('codecolorer');
$styles = trim(get_option('codecolorer_css_style'));
if (!empty($styles)) {
echo "<style type=\"text/css\">$styles</style>\n";
}
}
function AddPluginOptionsPage() {
if (function_exists('add_options_page')) {
add_options_page('CodeColorer', 'CodeColorer', 'manage_options', 'codecolorer.php', array('CodeColorerLoader', 'CallShowOptionsPage'));
}
}
function AddPluginActions($links) {
$new_links = array();
$new_links[] = '<a href="options-general.php?page=codecolorer.php">' . __('Settings', 'codecolorer') . '</a>';
return array_merge($new_links, $links);
}
function AddPluginLinks($links, $file) {
if ($file == basename(dirname(__FILE__)) . '/' . basename(__FILE__)) {
$links[] = '<a href="http://kpumuk.info/projects/wordpress-plugins/codecolorer/#faq">' . __('FAQ', 'codecolorer') . '</a>';
$links[] = '<a href="http://kpumuk.info/projects/wordpress-plugins/codecolorer/#support">' . __('Support', 'codecolorer') . '</a>';
}
return $links;
}
function RegisterQuicktag() {
if (is_admin()) {
wp_enqueue_script('jquery');
$url = plugins_url(basename(dirname(__FILE__)) . '/js/quicktags.js');
wp_enqueue_script('codecolorer', $url, array('jquery'), CODECOLORER_VERSION, true);
wp_localize_script('codecolorer', 'codeColorerL10n', array(
'enterLanguage' => __('Enter Language')
));
}
}
function RegisterTinyMCEButton($buttons) {
array_push($buttons, 'separator', 'codecolorer');
return $buttons;
}
function AddTinyMCEPlugin($plugins) {
$url = plugins_url(basename(dirname(__FILE__)) . '/js/tinymce_plugin.js');
$plugins['codecolorer'] = $url;
return $plugins;
}
function CallShowOptionsPage() {
$cc = &CodeColorer::GetInstance();
if (null !== $cc) {
$cc->ShowOptionsPage();
}
}
function CallShowGeshiWarning() {
$cc = &CodeColorer::GetInstance();
if (null !== $cc) {
$cc->ShowGeshiWarning();
}
}
function CallBeforeHighlightCodeBlock($content) {
$cc = &CodeColorer::GetInstance();
if (null !== $cc) {
return $cc->BeforeHighlightCodeBlock($content);
}
return $content;
}
function CallAfterHighlightCodeBlock($content) {
$cc = &CodeColorer::GetInstance();
if (null !== $cc) {
return $cc->AfterHighlightCodeBlock($content);
}
return $content;
}
function CallBeforeProtectComment($content) {
$cc = &CodeColorer::GetInstance();
if (null !== $cc) {
return $cc->BeforeProtectComment($content);
}
return $content;
}
function CallAfterProtectComment($content) {
$cc = &CodeColorer::GetInstance();
if (null !== $cc) {
return $cc->AfterProtectComment($content);
}
return $content;
}
function Highlight($code) {
$cc = &CodeColorer::GetInstance();
if (null !== $cc) {
return $cc->GetCodeHighlighted($code);
}
return $code;
}
}
CodeColorerLoader::Enable();
function codecolorer_highlight($code) {
return CodeColorerLoader::Highlight($code);
}