root/wp-grins/trunk/wp-grins.php

<?php

// WP Grins
//
// Copyright (c) 2004-2007 Alex King
// http://alexking.org/projects/wordpress
//
// This is an add-on for WordPress
// http://wordpress.org/
//
// **********************************************************************
// 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. 
// *****************************************************************

/*
Plugin Name: WP Grins
Plugin URI: http://alexking.org/projects/wordpress
Description: A Clickable Smilies hack for WordPress.
Version: 1.5
Author: Alex King
Author URI: http://alexking.org
*/ 

function wp_grins() { // left in for legacy reasons
    print('');
}

if (!function_exists('ak_prototype')) {
    function ak_prototype() {
        if (!function_exists('wp_enqueue_script')) {
            global $ak_prototype;
            if (!isset($ak_prototype) || !$ak_prototype) {
                print('
        <script type="text/javascript" src="'.get_bloginfo('wpurl').'/wp-includes/js/prototype.js"></script>
                ');
            }
            $ak_prototype = true;
        }
    }
}

function wp_grins_head() {
    print('<script type="text/javascript" src="'.get_bloginfo('wpurl').'/index.php?ak_action=wp_grins_js"></script>'."\n");
    ak_prototype();
    print('
<style type="text/css">
#wp_grins img {
    cursor: pointer;
}
</style>
<!--[if IE]>
<style type="text/css">
#wp_grins img {
    cursor: hand;
}
</style>
<![endif]-->
    ');
}

function wp_grins_js() {
    if (function_exists('wp_enqueue_script')) {
        wp_enqueue_script('prototype');
    }
    if (isset($_GET['ak_action']) && $_GET['ak_action'] == 'wp_grins_js') {
        global $wpsmiliestrans;

        header("Content-type: text/javascript");
    
        $grins = '';
        $smiled = array();
        foreach ($wpsmiliestrans as $tag => $grin) {
            if (!in_array($grin, $smiled)) {
                $smiled[] = $grin;
                $tag = str_replace(' ', '', $tag);
                $grins .= '<img src="'.get_bloginfo('wpurl').'/wp-includes/images/smilies/'.$grin.'" alt="'.$tag.'" onclick="grin(\''.$tag.'\');"/> ';
            }
        }
?>
function insertAfter(node, referenceNode) {
    referenceNode.parentNode.insertBefore(node, referenceNode.nextSibling);
}
function loadGrins() {
    var grinsDiv = document.createElement('div');
    grinsDiv.id = 'wp_grins';
    grinsDiv.innerHTML = '<?php print(str_replace("'", "\'", $grins)); ?>';
    if ($('postdiv')) {
        var type = 'child';
        var node = $('postdiv');
    }
    else if (document.getElementById('postdivrich')) {
        var type = 'child';
        var node = $('postdivrich');
    }
    else if (document.getElementById('comment')) {
        var type = 'before';
        var node = $('comment');
    }
    else {
        return;
    }
    switch (type) {
        case 'child':
            grinsDiv.style.paddingTop = '5px';
            node.appendChild(grinsDiv);
            break;
        case 'before':
            node.parentNode.insertBefore(grinsDiv, node);
            break;
    }
}
Event.observe(window, 'load', loadGrins, false);
function grin(tag) {
    var myField;
    if ($('content') && $('content').type == 'textarea') {
        myField = document.getElementById('content');
        if ($('postdivrich') && typeof tinyMCE != 'undefined' && (!$('edButtons') || $('quicktags').style.display == 'none')) {
            tinyMCE.execInstanceCommand('mce_editor_0', 'mceInsertContent', false, '&nbsp;' + tag + '&nbsp;');
            tinyMCE.selectedInstance.repaint();
            return;
        }
    }
    else if ($('comment') && $('comment').type == 'textarea') {
        myField = $('comment');
    }
    else {
        return false;
    }
    if (document.selection) {
        myField.focus();
        sel = document.selection.createRange();
        sel.text = ' ' + tag + ' ';
        myField.focus();
    }
    else if (myField.selectionStart || myField.selectionStart == '0') {
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        var cursorPos = endPos;
        myField.value = myField.value.substring(0, startPos)
                      + ' ' + tag + ' '
                      + myField.value.substring(endPos, myField.value.length);
        cursorPos += tag.length + 2;
        myField.focus();
        myField.selectionStart = cursorPos;
        myField.selectionEnd = cursorPos;
    }
    else {
        myField.value += tag;
        myField.focus();
    }
}
<?php
        die();
    }
}

add_action('init', 'wp_grins_js');
add_action('wp_head', 'wp_grins_head');
add_action('admin_head', 'wp_grins_head');

?>