codecolorer / codecolorer.php

codecolorer.php in CodeColorer 0.9.7, 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: 0.9.7
7	Author: Dmytro Shteflyuk
8	Author URI: http://kpumuk.info/
9	Text Domain: codecolorer
10	Domain Path: /languages/
11	*/
12	/*
13	Copyright 2006 - 2009 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', '0.9.7');
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
99	// Code protection filters
100	add_filter('pre_comment_content', array('CodeColorerLoader', 'CallBeforeProtectComment'), -1000);
101	add_filter('pre_comment_content', array('CodeColorerLoader', 'CallAfterProtectComment'), 1000);
102
103	return true;
104	}
105
106	function AdminInit() {
107	$plugin_dir = basename(dirname(__FILE__));
108	load_plugin_textdomain('codecolorer', false, "$plugin_dir/languages");
109
110	if (!class_exists('CodeColorerOptions')) {
111	$path = dirname(__FILE__);
112	if (!file_exists("$path/codecolorer-options.php")) return false;
113	require_once("$path/codecolorer-options.php");
114	}
115
116	// Register out options so WordPress knows about them
117	register_setting('codecolorer', 'codecolorer_css_style', '');
118	register_setting('codecolorer', 'codecolorer_css_class', '');
119	register_setting('codecolorer', 'codecolorer_lines_to_scroll', 'intval');
120	register_setting('codecolorer', 'codecolorer_width', '');
121	register_setting('codecolorer', 'codecolorer_height', '');
122	register_setting('codecolorer', 'codecolorer_rss_width', '');
123	register_setting('codecolorer', 'codecolorer_line_numbers', '');
124	register_setting('codecolorer', 'codecolorer_disable_keyword_linking', array('CodeColorerOptions', 'SanitizeBoolean'));
125	register_setting('codecolorer', 'codecolorer_tab_size', 'intval');
126	register_setting('codecolorer', 'codecolorer_theme', '');
127	register_setting('codecolorer', 'codecolorer_inline_theme', '');
128
129	// Scripts
130	if (current_user_can('edit_posts') \|\| current_user_can('edit_pages')) {
131	// Quick tags
132	add_action('wp_print_scripts', array('CodeColorerLoader', 'RegisterQuicktag'));
133
134	// TinyMCE
135	// temporarily disabled
136	// if (get_user_option('rich_editing') == 'true') {
137	// add_filter('mce_external_plugins', array('CodeColorerLoader', 'AddTinyMCEPlugin'));
138	// add_filter('mce_buttons', array('CodeColorerLoader', 'RegisterTinyMCEButton'));
139	// }
140	}
141	}
142
143	function LoadStyles() {
144	$css_url = plugins_url(basename(dirname(__FILE__)) . '/codecolorer.css');
145	wp_register_style('codecolorer', $css_url, array(), CODECOLORER_VERSION, 'screen');
146	wp_enqueue_style('codecolorer');
147	$styles = trim(get_option('codecolorer_css_style'));
148	if (!empty($styles)) {
149	echo "<style type=\"text/css\">$styles</style>\n";
150	}
151	}
152
153	function AddPluginOptionsPage() {
154	if (function_exists('add_options_page')) {
155	add_options_page('CodeColorer', 'CodeColorer', 8, 'codecolorer.php', array('CodeColorerLoader', 'CallShowOptionsPage'));
156	}
157	}
158
159	function AddPluginActions($links) {
160	$new_links = array();
161
162	$new_links[] = '<a href="options-general.php?page=codecolorer.php">' . __('Settings', 'codecolorer') . '</a>';
163
164	return array_merge($new_links, $links);
165	}
166
167	function AddPluginLinks($links, $file) {
168	if ($file == basename(dirname(__FILE__)) . '/' . basename(__FILE__)) {
169	$links[] = '<a href="http://kpumuk.info/projects/wordpress-plugins/codecolorer/#faq">' . __('FAQ', 'codecolorer') . '</a>';
170	$links[] = '<a href="http://kpumuk.info/projects/wordpress-plugins/codecolorer/#support">' . __('Support', 'codecolorer') . '</a>';
171	}
172	return $links;
173	}
174
175	function RegisterQuicktag() {
176	if (is_admin()) {
177	wp_enqueue_script('jquery');
178	$url = plugins_url(basename(dirname(__FILE__)) . '/js/quicktags.js');
179	wp_enqueue_script('codecolorer', $url, array('jquery'), CODECOLORER_VERSION, true);
180	wp_localize_script('codecolorer', 'codeColorerL10n', array(
181	'enterLanguage' => __('Enter Language')
182	));
183	}
184	}
185
186	function RegisterTinyMCEButton($buttons) {
187	array_push($buttons, 'separator', 'codecolorer');
188	return $buttons;
189	}
190
191	function AddTinyMCEPlugin($plugins) {
192	$url = plugins_url(basename(dirname(__FILE__)) . '/js/tinymce_plugin.js');
193	$plugins['codecolorer'] = $url;
194	return $plugins;
195	}
196
197	function CallShowOptionsPage() {
198	$cc = &CodeColorer::GetInstance();
199	if (null !== $cc) {
200	$cc->ShowOptionsPage();
201	}
202	}
203
204	function CallShowGeshiWarning() {
205	$cc = &CodeColorer::GetInstance();
206	if (null !== $cc) {
207	$cc->ShowGeshiWarning();
208	}
209	}
210
211	function CallBeforeHighlightCodeBlock($content) {
212	$cc = &CodeColorer::GetInstance();
213	if (null !== $cc) {
214	return $cc->BeforeHighlightCodeBlock($content);
215	}
216	return $content;
217	}
218
219	function CallAfterHighlightCodeBlock($content) {
220	$cc = &CodeColorer::GetInstance();
221	if (null !== $cc) {
222	return $cc->AfterHighlightCodeBlock($content);
223	}
224	return $content;
225	}
226
227	function CallBeforeProtectComment($content) {
228	$cc = &CodeColorer::GetInstance();
229	if (null !== $cc) {
230	return $cc->BeforeProtectComment($content);
231	}
232	return $content;
233	}
234
235	function CallAfterProtectComment($content) {
236	$cc = &CodeColorer::GetInstance();
237	if (null !== $cc) {
238	return $cc->AfterProtectComment($content);
239	}
240	return $content;
241	}
242
243	function Highlight($code) {
244	$cc = &CodeColorer::GetInstance();
245	if (null !== $cc) {
246	return $cc->GetCodeHighlighted($code);
247	}
248	return $code;
249	}
250	}
251
252	CodeColorerLoader::Enable();
253
254	function codecolorer_highlight($code) {
255	return CodeColorerLoader::Highlight($code);
256	}