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<?php
rcs_id('$Id: WysiwygEdit.php,v 1.4 2006/05/13 19:59:54 rurban Exp $');
/**
* Baseclass for WysiwygEdit/*
*
* ENABLE_WYSIWYG - Support for some WYSIWYG_BACKEND Editors:
* tinymce, htmlarea3, FCKeditor, spaw, htmlarea2, Wikiwyg
* Not yet enabled as default, since we cannot convert HTML to Wiki Markup yet.
* (See HtmlParser.php for the ongoing efforts)
* We might use a PageType=html, which is contra wiki, but some people
* might prefer HTML markup.
*
* TODO: Change from ENABLE_WYSIWYG constant to user preference variable
* (checkbox setting or edit click as in gmail),
* when HtmlParser is finished.
* Based upon htmlarea3.php and tinymce.php
*
* WARNING! Probably incompatible with ENABLE_XHTML_XML (TestMe)
*
* @package WysiwygEdit
* @author Reini Urban
*/
require_once("lib/InlineParser.php");
class WysiwygEdit {
function WysiwygEdit() {
$this->_transformer_tags = false;
}
function Head($name='edit[content]') {
trigger_error("virtual", E_USER_ERROR);
}
// to be called after </textarea>
function Textarea($textarea,$wikitext,$name='edit[content]') {
trigger_error("virtual", E_USER_ERROR);
}
/**
* Handler to convert the Wiki Markup to HTML before editing.
* This will be converted back by WysiwygEdit_ConvertAfter if required.
* *text* => '<b>text<b>'
*/
function ConvertBefore($text) {
require_once("lib/BlockParser.php");
$xml = TransformText($text, 2.0, $GLOBALS['request']->getArg('pagename'));
return $xml->AsXML();
}
/**
* FIXME: Handler to convert the HTML formatting back to wiki formatting.
* Derived from InlineParser, but returning wiki text instead of HtmlElement objects.
* '<b>text<b>' => '<SPAN style="FONT-WEIGHT: bold">text</SPAN>' => '*text*'
*
* TODO: Switch over to HtmlParser
*/
function ConvertAfter($text) {
static $trfm;
if (empty($trfm)) {
$trfm = new HtmlTransformer($this->_transformer_tags);
}
$markup = $trfm->parse($text); // version 2.0
return $markup;
}
}
// re-use these classes for the regexp's.
// just output strings instead of XmlObjects
class Markup_html_br extends Markup_linebreak {
function markup ($match) {
return $match;
}
}
class Markup_html_simple_tag extends Markup_html_emphasis {
function markup ($match, $body) {
$tag = substr($match, 1, -1);
switch ($tag) {
case 'b':
case 'strong':
return "*".$body."*";
case 'big':
return "<big>".$body."</big>";
case 'i':
case 'em':
return "_".$body."_";
}
}
}
class Markup_html_p extends BalancedMarkup
{
var $_start_regexp = "<(?:p|P)( class=\".*\")?>";
function getEndRegexp ($match) {
return "<\\/" . substr($match, 1);
}
function markup ($match, $body) {
return $body."\n";
}
}
//'<SPAN style="FONT-WEIGHT: bold">text</SPAN>' => '*text*'
class Markup_html_spanbold extends BalancedMarkup
{
var $_start_regexp = "<(?:span|SPAN) style=\"FONT-WEIGHT: bold\">";
function getEndRegexp ($match) {
return "<\\/" . substr($match, 1);
}
function markup ($match, $body) {
//Todo: convert style formatting to simplier nested <b><i> tags
return "*".$body."*";
}
}
class HtmlTransformer extends InlineTransformer
{
function HtmlTransformer ($tags = false) {
if (!$tags) $tags =
array('escape','html_br','html_spanbold','html_simple_tag',
'html_p',);
/*
'html_a','html_span','html_div',
'html_table','html_hr','html_pre',
'html_blockquote',
'html_indent','html_ol','html_li','html_ul','html_img'
*/
return $this->InlineTransformer($tags);
}
}
/*
$Log: WysiwygEdit.php,v $
Revision 1.4 2006/05/13 19:59:54 rurban
added wysiwyg_editor-1.3a feature by Jean-Nicolas GEREONE <jean-nicolas.gereone@st.com>
converted wysiwyg_editor-1.3a js to WysiwygEdit framework
changed default ENABLE_WYSIWYG = true and added WYSIWYG_BACKEND = Wikiwyg
Revision 1.3 2005/10/31 17:20:40 rurban
fix ConvertBefore
Revision 1.2 2005/10/31 16:46:13 rurban
move old default transformers to baseclass
Revision 1.1 2005/10/30 14:22:15 rurban
refactor WysiwygEdit
*/
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
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