codecolorer / codecolorer.php

codecolorer.php in CodeColorer 0.9.9, at codecolorer.php

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1	<?php
2	/*
3	Plugin Name: CodeColorer
4	Plugin URI: http://kpumuk.info/projects/wordpress-plugins/codecolorer/
5	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.
6	Version: 0.9.9
7	Author: Dmytro Shteflyuk
8	Author URI: http://kpumuk.info/
9	Text Domain: codecolorer
10	Domain Path: /languages/
11	*/
12	/*
13	Copyright 2006 - 2011 Dmytro Shteflyuk <kpumuk@kpumuk.info>
14
15	This program is free software; you can redistribute it and/or modify
16	it under the terms of the GNU General Public License as published by
17	the Free Software Foundation; either version 2 of the License, or
18	(at your option) any later version.
19
20	This program is distributed in the hope that it will be useful,
21	but WITHOUT ANY WARRANTY; without even the implied warranty of
22	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23	GNU General Public License for more details.
24
25	You should have received a copy of the GNU General Public License
26	along with this program; if not, write to the Free Software
27	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28	*/
29
30	/**
31	* Doesn't work if PHP version is not 4.0.6 or higher
32	*/
33	if (version_compare(phpversion(), '4.0.6', '<')) {
34	return;
35	}
36
37	define('CODECOLORER_VERSION', '0.9.9');
38
39	/**
40	* Loader class for the CodeColorer plugin
41	*/
42	class CodeColorerLoader {
43	/**
44	* Enables the CodeColorer plugin with registering all required hooks.
45	*/
46	function Enable() {
47	$path = dirname(__FILE__);
48	if (!file_exists("$path/codecolorer-core.php")) return false;
49	require_once("$path/codecolorer-core.php");
50
51	// Add some default options if they don't exist
52	add_option('codecolorer_css_style', '');
53	add_option('codecolorer_css_class', '');
54	add_option('codecolorer_lines_to_scroll', 20);
55	add_option('codecolorer_width', 435);
56	add_option('codecolorer_height', 300);
57	add_option('codecolorer_rss_width', 435);
58	add_option('codecolorer_line_numbers', false);
59	add_option('codecolorer_disable_keyword_linking', false);
60	add_option('codecolorer_tab_size', 4);
61	add_option('codecolorer_theme', '');
62	add_option('codecolorer_inline_theme', '');
63
64	// Two more options to disable notifications
65	add_option('codecolorer_language_notification', true);
66	add_option('codecolorer_concurrent_notification', true);
67
68	// Admin panel initialization
69	add_action('admin_init', array('CodeColorerLoader', 'AdminInit'));
70
71	// Add plugin options page
72	add_action('admin_menu', array('CodeColorerLoader', 'AddPluginOptionsPage'));
73
74	// Load CodeColorer styles on admin pages
75	add_action('admin_print_styles', array('CodeColorerLoader', 'LoadStyles'));
76
77	// Show notice when another GeSHi library found
78	if (get_option('codecolorer_concurrent_notification')) {
79	add_action('admin_notices', array('CodeColorerLoader', 'CallShowGeshiWarning'));
80	}
81
82	// Load CodeColorer styles on regular pages
83	add_action('wp_print_styles', array('CodeColorerLoader', 'LoadStyles'));
84
85	// Add action links
86	add_action('plugin_action_links_' . plugin_basename(__FILE__), array('CodeColorerLoader', 'AddPluginActions'));
87
88	// Add meta links
89	add_filter('plugin_row_meta', array('CodeColorerLoader', 'AddPluginLinks'), 10, 2);
90
91	// Code highlighting filters
92	add_filter('the_content', array('CodeColorerLoader', 'CallBeforeHighlightCodeBlock'), -1000);
93	add_filter('the_content', array('CodeColorerLoader', 'CallAfterHighlightCodeBlock'), 1000);
94	add_filter('the_excerpt', array('CodeColorerLoader', 'CallBeforeHighlightCodeBlock'), -1000);
95	add_filter('the_excerpt', array('CodeColorerLoader', 'CallAfterHighlightCodeBlock'), 1000);
96	add_filter('comment_text', array('CodeColorerLoader', 'CallBeforeHighlightCodeBlock'), -1000);
97	add_filter('comment_text', array('CodeColorerLoader', 'CallAfterHighlightCodeBlock'), 1000);
98	add_filter('book_review', array('CodeColorerLoader', 'CallBeforeHighlightCodeBlock'), -1000);
99	add_filter('book_review', array('CodeColorerLoader', 'CallAfterHighlightCodeBlock'), 1000);
100
101	// Code protection filters
102	add_filter('pre_comment_content', array('CodeColorerLoader', 'CallBeforeProtectComment'), -1000);
103	add_filter('pre_comment_content', array('CodeColorerLoader', 'CallAfterProtectComment'), 1000);
104
105	return true;
106	}
107
108	function AdminInit() {
109	$plugin_dir = basename(dirname(__FILE__));
110	load_plugin_textdomain('codecolorer', false, "$plugin_dir/languages");
111
112	if (!class_exists('CodeColorerOptions')) {
113	$path = dirname(__FILE__);
114	if (!file_exists("$path/codecolorer-options.php")) return false;
115	require_once("$path/codecolorer-options.php");
116	}
117
118	// Register out options so WordPress knows about them
119	register_setting('codecolorer', 'codecolorer_css_style', '');
120	register_setting('codecolorer', 'codecolorer_css_class', '');
121	register_setting('codecolorer', 'codecolorer_lines_to_scroll', 'intval');
122	register_setting('codecolorer', 'codecolorer_width', '');
123	register_setting('codecolorer', 'codecolorer_height', '');
124	register_setting('codecolorer', 'codecolorer_rss_width', '');
125	register_setting('codecolorer', 'codecolorer_line_numbers', '');
126	register_setting('codecolorer', 'codecolorer_disable_keyword_linking', array('CodeColorerOptions', 'SanitizeBoolean'));
127	register_setting('codecolorer', 'codecolorer_tab_size', 'intval');
128	register_setting('codecolorer', 'codecolorer_theme', '');
129	register_setting('codecolorer', 'codecolorer_inline_theme', '');
130
131	// Scripts
132	if (current_user_can('edit_posts') \|\| current_user_can('edit_pages')) {
133	// Quick tags
134	add_action('wp_print_scripts', array('CodeColorerLoader', 'RegisterQuicktag'));
135
136	// TinyMCE
137	// temporarily disabled
138	// if (get_user_option('rich_editing') == 'true') {
139	// add_filter('mce_external_plugins', array('CodeColorerLoader', 'AddTinyMCEPlugin'));
140	// add_filter('mce_buttons', array('CodeColorerLoader', 'RegisterTinyMCEButton'));
141	// }
142	}
143	}
144
145	function LoadStyles() {
146	$css_url = plugins_url(basename(dirname(__FILE__)) . '/codecolorer.css');
147	wp_register_style('codecolorer', $css_url, array(), CODECOLORER_VERSION, 'screen');
148	wp_enqueue_style('codecolorer');
149	$styles = trim(get_option('codecolorer_css_style'));
150	if (!empty($styles)) {
151	echo "<style type=\"text/css\">$styles</style>\n";
152	}
153	}
154
155	function AddPluginOptionsPage() {
156	if (function_exists('add_options_page')) {
157	add_options_page('CodeColorer', 'CodeColorer', 'manage_options', 'codecolorer.php', array('CodeColorerLoader', 'CallShowOptionsPage'));
158	}
159	}
160
161	function AddPluginActions($links) {
162	$new_links = array();
163
164	$new_links[] = '<a href="options-general.php?page=codecolorer.php">' . __('Settings', 'codecolorer') . '</a>';
165
166	return array_merge($new_links, $links);
167	}
168
169	function AddPluginLinks($links, $file) {
170	if ($file == basename(dirname(__FILE__)) . '/' . basename(__FILE__)) {
171	$links[] = '<a href="http://kpumuk.info/projects/wordpress-plugins/codecolorer/#faq">' . __('FAQ', 'codecolorer') . '</a>';
172	$links[] = '<a href="http://kpumuk.info/projects/wordpress-plugins/codecolorer/#support">' . __('Support', 'codecolorer') . '</a>';
173	}
174	return $links;
175	}
176
177	function RegisterQuicktag() {
178	if (is_admin()) {
179	wp_enqueue_script('jquery');
180	$url = plugins_url(basename(dirname(__FILE__)) . '/js/quicktags.js');
181	wp_enqueue_script('codecolorer', $url, array('jquery'), CODECOLORER_VERSION, true);
182	wp_localize_script('codecolorer', 'codeColorerL10n', array(
183	'enterLanguage' => __('Enter Language')
184	));
185	}
186	}
187
188	function RegisterTinyMCEButton($buttons) {
189	array_push($buttons, 'separator', 'codecolorer');
190	return $buttons;
191	}
192
193	function AddTinyMCEPlugin($plugins) {
194	$url = plugins_url(basename(dirname(__FILE__)) . '/js/tinymce_plugin.js');
195	$plugins['codecolorer'] = $url;
196	return $plugins;
197	}
198
199	function CallShowOptionsPage() {
200	$cc = &CodeColorer::GetInstance();
201	if (null !== $cc) {
202	$cc->ShowOptionsPage();
203	}
204	}
205
206	function CallShowGeshiWarning() {
207	$cc = &CodeColorer::GetInstance();
208	if (null !== $cc) {
209	$cc->ShowGeshiWarning();
210	}
211	}
212
213	function CallBeforeHighlightCodeBlock($content) {
214	$cc = &CodeColorer::GetInstance();
215	if (null !== $cc) {
216	return $cc->BeforeHighlightCodeBlock($content);
217	}
218	return $content;
219	}
220
221	function CallAfterHighlightCodeBlock($content) {
222	$cc = &CodeColorer::GetInstance();
223	if (null !== $cc) {
224	return $cc->AfterHighlightCodeBlock($content);
225	}
226	return $content;
227	}
228
229	function CallBeforeProtectComment($content) {
230	$cc = &CodeColorer::GetInstance();
231	if (null !== $cc) {
232	return $cc->BeforeProtectComment($content);
233	}
234	return $content;
235	}
236
237	function CallAfterProtectComment($content) {
238	$cc = &CodeColorer::GetInstance();
239	if (null !== $cc) {
240	return $cc->AfterProtectComment($content);
241	}
242	return $content;
243	}
244
245	function Highlight($code) {
246	$cc = &CodeColorer::GetInstance();
247	if (null !== $cc) {
248	return $cc->GetCodeHighlighted($code);
249	}
250	return $code;
251	}
252	}
253
254	CodeColorerLoader::Enable();
255
256	function codecolorer_highlight($code) {
257	return CodeColorerLoader::Highlight($code);
258	}