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/*
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* CodePress - Real Time Syntax Highlighting Editor written in JavaScript - http://codepress.org/
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*
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* Copyright (C) 2006 Fernando M.A.d.S. <fermads@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU Lesser General Public License as published by the Free Software Foundation.
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*
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* Read the full licence: http://www.opensource.org/licenses/lgpl-license.php
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*/
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CodePress = function(obj) {
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var self = document.createElement('iframe');
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self.textarea = obj;
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self.textarea.disabled = true;
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self.textarea.style.overflow = 'hidden';
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self.style.height = self.textarea.clientHeight +'px';
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self.style.width = self.textarea.clientWidth +'px';
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self.textarea.style.overflow = 'auto';
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self.style.border = '1px solid gray';
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self.style.visibility = 'hidden';
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self.style.position = 'absolute';
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self.options = self.textarea.className;
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self.initialize = function() {
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self.editor = self.contentWindow.CodePress;
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self.editor.body = self.contentWindow.document.getElementsByTagName('body')[0];
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self.editor.setCode(self.textarea.value);
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self.setOptions();
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self.editor.syntaxHighlight('init');
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self.textarea.style.display = 'none';
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self.style.position = 'static';
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self.style.visibility = 'visible';
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self.style.display = 'inline';
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}
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self.edit = function(id,language) {
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if(id) self.textarea.value = document.getElementById(id).value;
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if(!self.textarea.disabled) return;
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self.language = language ? language : self.options.replace(/ ?codepress ?| ?readonly-on ?| ?autocomplete-off ?| ?linenumbers-off ?/g,'');
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if(!CodePress.languages[self.language]) self.language = 'generic';
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self.src = CodePress.path+'codepress.html?engine='+CodePress.engine+'&language='+self.language+'&ts='+(new Date).getTime();
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if(self.attachEvent) self.attachEvent('onload',self.initialize);
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else self.addEventListener('load',self.initialize,false);
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}
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self.setOptions = function() {
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if(self.options.match('autocomplete-off')) self.toggleAutoComplete();
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if(self.options.match('readonly-on')) self.toggleReadOnly();
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if(self.options.match('linenumbers-off')) self.toggleLineNumbers();
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}
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self.getCode = function() {
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return self.textarea.disabled ? self.editor.getCode() : self.textarea.value;
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}
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self.setCode = function(code) {
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self.textarea.disabled ? self.editor.setCode(code) : self.textarea.value = code;
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}
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self.toggleAutoComplete = function() {
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self.editor.autocomplete = (self.editor.autocomplete) ? false : true;
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}
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self.toggleReadOnly = function() {
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self.textarea.readOnly = (self.textarea.readOnly) ? false : true;
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if(self.style.display != 'none') // prevent exception on FF + iframe with display:none
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self.editor.readOnly(self.textarea.readOnly ? true : false);
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}
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self.toggleLineNumbers = function() {
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var cn = self.editor.body.className;
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self.editor.body.className = (cn==''||cn=='show-line-numbers') ? 'hide-line-numbers' : 'show-line-numbers';
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}
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self.toggleEditor = function() {
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if(self.textarea.disabled) {
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self.textarea.value = self.getCode();
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self.textarea.disabled = false;
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self.style.display = 'none';
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self.textarea.style.display = 'inline';
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}
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else {
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self.textarea.disabled = true;
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self.setCode(self.textarea.value);
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self.editor.syntaxHighlight('init');
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self.style.display = 'inline';
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self.textarea.style.display = 'none';
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}
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}
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self.edit();
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return self;
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}
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CodePress.languages = {
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css : 'CSS',
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generic : 'Generic',
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html : 'HTML',
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java : 'Java',
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javascript : 'JavaScript',
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perl : 'Perl',
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ruby : 'Ruby',
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php : 'PHP',
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text : 'Text',
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sql : 'SQL'
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}
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CodePress.getEngine = function() {
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var engine = 'older';
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var ua = navigator.userAgent;
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if(ua.match('MSIE')) engine = 'msie';
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else if(ua.match('KHTML')) engine = 'khtml';
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else if(ua.match('Opera')) engine = 'opera';
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else if(ua.match('Gecko')) engine = 'gecko';
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return engine;
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}
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CodePress.run = function() {
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CodePress.engine = CodePress.getEngine();
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s = document.getElementsByTagName('script');
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for(var i=0,n=s.length;i<n;i++) {
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if(s[i].src.match('codepress.js')) {
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CodePress.path = s[i].src.replace('codepress.js','');
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}
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}
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t = document.getElementsByTagName('textarea');
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for(var i=0,n=t.length;i<n;i++) {
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if(t[i].className.match('codepress')) {
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id = t[i].id;
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t[i].id = id+'_cp';
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eval(id+' = new CodePress(t[i])');
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t[i].parentNode.insertBefore(eval(id), t[i]);
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}
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}
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}
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if(window.attachEvent) window.attachEvent('onload',CodePress.run);
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else window.addEventListener('DOMContentLoaded',CodePress.run,false);
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