source: text-control/trunk/text-control.php @ 1019

<?php
/*
Plugin Name: Text Control
Plugin URI: http://dev.wp-plugins.org/wiki/TextControl
Description: Take total control of how your blog formats text: Textile 1+2, Markdown, AutoP, nl2br, SmartyPant, and Texturize. Blog wide, individual posts, and defaults for comments.
Author: Jeff Minard
Version: 2.0b1
Author URI: http://thecodepro.com/
*/ 

// Hey!
// Get outta here! All configuration is done in WordPress
// Check the "options > Text Control Config" in your admin section

function tc_post($text) {
        global $id;
        
        /* Start with the default values */
        $do_text = get_option('tc_post_format');
        $do_char = get_option('tc_post_encoding');
        
        /* Now for the updated format that will take precedence */
        if ( get_post_meta($id, '_tc_post_format', true) ) {
                $do_text = get_post_meta($id, '_tc_post_format', true);
        }
        if( get_post_meta($id, '_tc_post_encoding', true) ) {
                $do_char =  get_post_meta($id, '_tc_post_encoding', true);
        }
        
        $text = tc_post_process($text, $do_text, $do_char);
        
        return $text;
}

function tc_comment($text) {
        
        $do_text = get_option('tc_comment_format');
        $do_char = get_option('tc_comment_encoding');
        
        $text = tc_post_process($text, $do_text, $do_char);
        
        return $text;
}

function tc_post_process($text, $do_text='', $do_char='') {
        
        if($do_text == 'textile2') {
                require_once('text-control/textile2.php');
                $t = new Textile();
                $text = $t->process($text);
                
        } else if($do_text == 'textile1') {
                require_once('text-control/textile1.php');
                $text = textile($text);
                
        } else if($do_text == 'markdown') {
                require_once('text-control/markdown.php');
                $text = Markdown($text);
                
        } else if($do_text == 'wpautop') {
                $text = wpautop($text);
                
        } else if($do_text == 'nl2br') {
                $text = nl2br($text);
                
        } else if($do_text == 'none') {
                $text = $text;
                
        } else {
                $text = wpautop($text);
        }
        
        if($do_char == 'smartypants') {
                require_once('text-control/smartypants.php');
                $text = SmartyPants($text);
                
        } else if($do_char == 'wptexturize') {
                $text = wptexturize($text);
                
        } else if($do_char == 'none') {
                $text = $text;
                
        } else {
                $text = wptexturize($text);
        }
        
        return $text;
        
}


remove_filter('the_content', 'wpautop');
remove_filter('the_content', 'wptexturize');
add_filter('the_content', 'tc_post');

remove_filter('the_excerpt', 'wpautop');
remove_filter('the_excerpt', 'wptexturize');
add_filter('the_excerpt', 'tc_post');

remove_filter('comment_text', 'wpautop', 30);
remove_filter('comment_text', 'wptexturize');
add_filter('comment_text', 'tc_comment');



function tc_post_option_page() {
        global $wpdb;
?>

<div class="wrap">
        <h2>Text Control Settings</h2>
        <p>Set up the default settings for your blog text formatting.</p>
        
        <?php
        
        if( $_POST['tc_post_format'] && $_POST['tc_post_encoding'] ) {
                // set the post formatting options
                update_option('tc_post_format', $_POST['tc_post_format']);
                update_option('tc_post_encoding', $_POST['tc_post_encoding']);
                
                echo '<div class="updated"><p>Post/Excerpt formatting updated.</p></div>';
                
        }
        
        if( $_POST['tc_comment_format'] && $_POST['tc_comment_encoding'] ) {
                // set the comment formatting options
                update_option('tc_comment_format', $_POST['tc_comment_format']);
                update_option('tc_comment_encoding', $_POST['tc_comment_encoding']);
                
                echo '<div class="updated"><p>Comment formatting updated.</p></div>';
                
        }
        
        ?>
        
        <form method="post">
        <fieldset class="options">
                <legend>Posts &amp; Excerpts</legend>
                
                <p>These will set up what the blog parses posts with by default unless over ridden on a per-post basis.</p>
                
                <?php
                
                $do_text = get_option('tc_post_format');
                $do_char = get_option('tc_post_encoding');
                
                ?>
                        <select name="tc_post_format">
                                <option value="wpautop"<?php if($do_text == 'wpautop' OR $do_text == ''){ echo(' selected="selected"');}?>>Default (wpautop)</option>
                                <option value="textile1"<?php if($do_text == 'textile1'){ echo(' selected="selected"');}?>>Textile 1</option>
                                <option value="textile2"<?php if($do_text == 'textile2'){ echo(' selected="selected"');}?>>Textile 2</option>
                                <option value="markdown"<?php if($do_text == 'markdown'){ echo(' selected="selected"');}?>>Markdown</option>
                                <option value="nl2br"<?php if($do_text == 'nl2br'){ echo(' selected="selected"');}?>>nl2br</option>
                                <option value="none"<?php if($do_text == 'none'){ echo(' selected="selected"');}?>>No Formatting</option>
                        </select>
                        
                        <select name="tc_post_encoding">
                                <option value="wptexturize"<?php if($do_char == 'wptexturize'){ echo(' selected="selected"');}?>>Default (wptexturize)</option>
                                <option value="smartypants"<?php if($do_char == 'smartypants'){ echo(' selected="selected"');}?>>Smarty Pants</option>
                                <option value="none"<?php if($do_char == 'none'){ echo(' selected="selected"');}?>>No Character Encoding</option>
                        </select>
                        
                        <input type="submit" value="Change Default Post/Excerpt Formatting" />
                        
        </fieldset>
        </form>
        
        <form method="post">
        <fieldset class="options">
                <legend>Comments</legend>
                <p>All comments will be processed with these:</p>
                
                <form method="post">
                
                <?php
                
                $do_text = get_option('tc_comment_format');
                $do_char = get_option('tc_comment_encoding');
                
                ?>
                        <select name="tc_comment_format">
                                <option value="wpautop"<?php if($do_text == 'wpautop' OR $do_text == ''){ echo(' selected="selected"');}?>>Default (wpautop)</option>
                                <option value="textile1"<?php if($do_text == 'textile1'){ echo(' selected="selected"');}?>>Textile 1</option>
                                <option value="textile2"<?php if($do_text == 'textile2'){ echo(' selected="selected"');}?>>Textile 2</option>
                                <option value="markdown"<?php if($do_text == 'markdown'){ echo(' selected="selected"');}?>>Markdown</option>
                                <option value="nl2br"<?php if($do_text == 'nl2br'){ echo(' selected="selected"');}?>>nl2br</option>
                                <option value="none"<?php if($do_text == 'none'){ echo(' selected="selected"');}?>>No Formatting</option>
                        </select>
                        
                        <select name="tc_comment_encoding">
                                <option value="wptexturize"<?php if($do_char == 'wptexturize'){ echo(' selected="selected"');}?>>Default (wptexturize)</option>
                                <option value="smartypants"<?php if($do_char == 'smartypants'){ echo(' selected="selected"');}?>>Smarty Pants</option>
                                <option value="none"<?php if($do_char == 'none'){ echo(' selected="selected"');}?>>No Character Encoding</option>
                        </select>
                        
                        <input type="submit" value="Change Default Comment Formatting" />
                        
        </fieldset>
        </form>
        
        
</div>


<?php

}

function tc_post_add_options() {
         add_options_page('Text Control Formatting Options', 'Text Control Config', 8, __FILE__, 'tc_post_option_page');
}

add_action('admin_menu', 'tc_post_add_options');





add_filter('edit_post', 'tc_post_edit_post');
add_filter('publish_post', 'tc_post_edit_post');
add_filter('admin_footer', 'tc_post_admin_footer');

function tc_post_edit_post($id) {
        global $wpdb, $id;

        if(!isset($id)) $id = $_REQUEST['post_ID'];
        
        if( $id && $_POST['tc_post_i_format'] && $_POST['tc_post_i_encoding'] ){

                $qry = "DELETE FROM {$wpdb->postmeta} WHERE Post_ID = {$id} AND meta_key = '_tc_post_format';";
                $wpdb->query($qry);
                
                $qry = "DELETE FROM {$wpdb->postmeta} WHERE Post_ID = {$id} AND meta_key = '_tc_post_encoding';";
                $wpdb->query($qry);
                        
                $qry = "INSERT INTO {$wpdb->postmeta} (Post_ID, meta_key, meta_value) VALUES ({$id}, '_tc_post_format', '$_POST[tc_post_i_format]');";
                $wpdb->query($qry);
                        
                $qry = "INSERT INTO {$wpdb->postmeta} (Post_ID, meta_key, meta_value) VALUES ({$id}, '_tc_post_encoding', '$_POST[tc_post_i_encoding]');";
                $wpdb->query($qry);
        
        }
        
}

function tc_post_admin_footer($content) {
        global $id;

        if(!isset($id)) $id = $_REQUEST['post'];

        // Are we on the right page?
        if(preg_match('|post.php|i', $_SERVER['SCRIPT_NAME']) && $_REQUEST['action'] == 'edit' )
        {
                if(isset($_REQUEST['post'])) {
        
                        $do_text = get_option('tc_post_format');
                        $do_char = get_option('tc_post_encoding');
                
                        if ( get_post_meta($id, '_tc_post_format', true) ) {
                                $do_text = get_post_meta($id, '_tc_post_format', true);
                        }
                        if( get_post_meta($id, '_tc_post_encoding', true) ) {
                                $do_char =  get_post_meta($id, '_tc_post_encoding', true);
                        }
                        
                }
                
                ?>
                <div id="mtspp">
                        <fieldset class="options">
                                <legend>Text Control</legend>
                                <p>Format this post with:
                                
                                <select name="tc_post_i_format">
                                        <option value="wpautop"<?php if($do_text == 'wpautop' OR $do_text == ''){ echo(' selected="selected"');}?>>Default (wpautop)</option>
                                        <option value="textile1"<?php if($do_text == 'textile1'){ echo(' selected="selected"');}?>>Textile 1</option>
                                        <option value="textile2"<?php if($do_text == 'textile2'){ echo(' selected="selected"');}?>>Textile 2</option>
                                        <option value="markdown"<?php if($do_text == 'markdown'){ echo(' selected="selected"');}?>>Markdown</option>
                                        <option value="nl2br"<?php if($do_text == 'nl2br'){ echo(' selected="selected"');}?>>nl2br</option>
                                        <option value="none"<?php if($do_text == 'none'){ echo(' selected="selected"');}?>>No Formatting</option>
                                </select>
                                
                                <select name="tc_post_i_encoding">
                                        <option value="wptexturize"<?php if($do_char == 'wptexturize'){ echo(' selected="selected"');}?>>Default (wptexturize)</option>
                                        <option value="smartypants"<?php if($do_char == 'smartypants'){ echo(' selected="selected"');}?>>Smarty Pants</option>
                                        <option value="none"<?php if($do_char == 'none'){ echo(' selected="selected"');}?>>No Character Encoding</option>
                                </select>
                        
                                <!--<input type="submit" value="Change Post Formatting" />-->
                                </p>
                                        
                        </fieldset>
                </div>
                <script language="JavaScript" type="text/javascript"><!--
                var placement = document.getElementById("titlediv");
                var substitution = document.getElementById("mtspp");
                var mozilla = document.getElementById&&!document.all;
                if(mozilla)
                         placement.parentNode.appendChild(substitution);
                else placement.parentElement.appendChild(substitution);
                //--></script>
                <?php


        }
}

?>