CaffGeek/MBACNationals

/*
 * CodePress - Real Time Syntax Highlighting Editor written in JavaScript - http://codepress.org/
 * 
 * Copyright (C) 2006 Fernando M.A.d.S. <fermads@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the 
 * GNU Lesser General Public License as published by the Free Software Foundation.
 * 
 * Read the full licence: http://www.opensource.org/licenses/lgpl-license.php
 */

CodePress = function(obj) {
    var self = document.createElement('iframe');
    self.textarea = obj;
    self.textarea.disabled = true;
    self.textarea.style.overflow = 'hidden';
    self.style.height = self.textarea.clientHeight +'px';
    self.style.width = self.textarea.clientWidth +'px';
    self.textarea.style.overflow = 'auto';
    self.style.border = '1px solid gray';
    self.frameBorder = 0; // remove IE internal iframe border
    self.style.visibility = 'hidden';
    self.style.position = 'absolute';
    self.options = self.textarea.className;
    
    self.initialize = function() {
        self.editor = self.contentWindow.CodePress;
        self.editor.body = self.contentWindow.document.getElementsByTagName('body')[0];
        self.editor.setCode(self.textarea.value);
        self.setOptions();
        self.editor.syntaxHighlight('init');
        self.textarea.style.display = 'none';
        self.style.position = 'static';
        self.style.visibility = 'visible';
        self.style.display = 'inline';
    }
    
    // obj can by a textarea id or a string (code)
    self.edit = function(obj,language) {
        if(obj) self.textarea.value = document.getElementById(obj) ? document.getElementById(obj).value : obj;
        if(!self.textarea.disabled) return;
        self.language = language ? language : self.getLanguage();
        self.src = CodePress.path+'codepress.html?language='+self.language+'&ts='+(new Date).getTime();
        if(self.attachEvent) self.attachEvent('onload',self.initialize);
        else self.addEventListener('load',self.initialize,false);
    }

    self.getLanguage = function() {
        for (language in CodePress.languages) 
            if(self.options.match('\\b'+language+'\\b')) 
                return CodePress.languages[language] ? language : 'generic';
    }
    
    self.setOptions = function() {
        if(self.options.match('autocomplete-off')) self.toggleAutoComplete();
        if(self.options.match('readonly-on')) self.toggleReadOnly();
        if(self.options.match('linenumbers-off')) self.toggleLineNumbers();
    }
    
    self.getCode = function() {
        return self.textarea.disabled ? self.editor.getCode() : self.textarea.value;
    }

    self.setCode = function(code) {
        self.textarea.disabled ? self.editor.setCode(code) : self.textarea.value = code;
    }

    self.toggleAutoComplete = function() {
        self.editor.autocomplete = (self.editor.autocomplete) ? false : true;
    }
    
    self.toggleReadOnly = function() {
        self.textarea.readOnly = (self.textarea.readOnly) ? false : true;
        if(self.style.display != 'none') // prevent exception on FF + iframe with display:none
            self.editor.readOnly(self.textarea.readOnly ? true : false);
    }
    
    self.toggleLineNumbers = function() {
        var cn = self.editor.body.className;
        self.editor.body.className = (cn==''||cn=='show-line-numbers') ? 'hide-line-numbers' : 'show-line-numbers';
    }
    
    self.toggleEditor = function() {
        if(self.textarea.disabled) {
            self.textarea.value = self.getCode();
            self.textarea.disabled = false;
            self.style.display = 'none';
            self.textarea.style.display = 'inline';
        }
        else {
            self.textarea.disabled = true;
            self.setCode(self.textarea.value);
            self.editor.syntaxHighlight('init');
            self.style.display = 'inline';
            self.textarea.style.display = 'none';
        }
    }

    self.edit();
    return self;
}

CodePress.languages = {    
    csharp : 'C#', 
    css : 'CSS', 
    generic : 'Generic',
    html : 'HTML',
    java : 'Java', 
    javascript : 'JavaScript', 
    perl : 'Perl', 
    ruby : 'Ruby',    
    php : 'PHP', 
    text : 'Text', 
    sql : 'SQL',
    vbscript : 'VBScript'
}


CodePress.run = function() {
    // Modified for WordPress compat to prevent loading on webkit and to
    // reference a codepress_path which is specified externally.
    if (navigator.userAgent.toLowerCase().indexOf('webkit') != -1)
        return;
    CodePress.path = codepress_path;
    var t = document.getElementsByTagName('textarea'), i, id;
    for(i=0,n=t.length;i<n;i++) {
        if(t[i].className.match('codepress')) {
            id = t[i].id;
            t[i].id = id+'_cp';
            eval(id+' = new CodePress(t[i])');
            t[i].parentNode.insertBefore(eval(id), t[i]);
        } 
    }
}

if(window.attachEvent) window.attachEvent('onload',CodePress.run);
else window.addEventListener('DOMContentLoaded',CodePress.run,false);