WordPress/wp-includes/js/codepress/codepress.js

138 lines
4.4 KiB
JavaScript

/*
* 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;
t = document.getElementsByTagName('textarea');
for(var 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);