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<?php
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/* $Id: jcss.module,v 1.3 23/3/2007 By Avior Nissim http://dev-art.net
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*
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* This module will do the following replacments
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* margin-right <==> margin-left
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* padding-right <==> padding-left
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* margin and padding with 4 elements => replace the second and the forth so
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* margin : 1 2 3 4; will become margin 1 4 3 2;
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*
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* version :1.3
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* ==================
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* added float : swap right and left
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* added text-align : swap right and left,
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* added all left to right swap i.e. left, margin-left, padding-left, border-left
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* backgound or backgroung-position : will swap left and right,
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*
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* did you used the module to RTL themes ?
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* please upload the theme to drupal site so everyone can use it
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*/
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define("JCSS_TMP_VALUE","jcss_tmp_value");
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function jcss_help($section){
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switch($section){
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case 'admin/modules#description':
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return t('Regex engine to convert css file to RTL.');
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break;
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}
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}
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function jcss_menu($may_cache){
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$items = array();
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if ($may_cache){
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$items[] = array('path'=>'jcss', 'title'=> t('jcss '), 'access' => user_access('access content'), 'callback' => 'jcss_page');
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}
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return $items;
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}
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function jcss_page(){
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$output = drupal_get_form('jcss_page_form');
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return $output;
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}
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function jcss_page_form() {
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$form = array();
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$form['help'] = array('#type' => 'markup', '#value' => t('<p>paste in the LTR CSS field the original Css you wish to RTL<p>'));
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$form['ltrcss'] = array('#type' => 'textarea', '#title'=> t('LTR Css'), '#rows' =>5,'#default_value' => $_SESSION['jcss']['ltrcss']);
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$form['rtlcss'] = array('#type' => 'textarea', '#title'=> t('RTL Css (coverted Version)'), '#rows' => 10,'#default_value' => $_SESSION['jcss']['rtlcss']);
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$form['submit'] = array('#type' => 'submit', '#value' => t('submit'));
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return $form;
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}
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function jcss_page_form_validate($form_id, $form_values,$form) {
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}
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function jcss_page_form_submit($form_id, $form_values) {
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$_SESSION['jcss']['ltrcss'] = $form_values['ltrcss'];
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$_SESSION['jcss']['rtlcss'] = get_rtl_css($form_values['ltrcss']);
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drupal_set_message(t('Done'));
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}
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function get_rtl_css($s){
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//$m = '/body\s{0,}\{(.+)\}/i';
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//$r = "body { $1 direction : rtl;} /* JCss.Add direction right to left */";
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//$s = preg_replace($m,$r,$s);
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// margin or padding 4 parameters
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$m = '/((margin|padding)\s{0,}:\s{0,}(.+) (.+) (.+) (.+));/i';
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$r = "$2: $3 $6 $5 $4; /* JCss.Old $1 */";
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$s = preg_replace($m,$r,$s);
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// match items with left word:
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// left, margin-left, padding-left, border-left
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// <Text>left : XX <==> <Text>right :XX
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$m = '/((left)\s{0,}:\s{0,}(.+));/i';
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$r = "JCSS_TMP_VALUE: $3;";
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$s = preg_replace($m,$r,$s);
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//right => left
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$m = '/((right)\s{0,}:\s{0,}(.+));/i';
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$r = "left: $3; /* JCss.Old right $1 */";
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$s = preg_replace($m,$r,$s);
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//tmp-left => right
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$m = '/((JCSS_TMP_VALUE)\s{0,}:\s{0,}(.+));/i';
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$r = "right: $3; /* JCss.Old left $1 */";
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$s = preg_replace($m,$r,$s);
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$s = swap_elements('text-align\s:\sleft\s;','text-align\s:\sright\s;',$s);
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$s = swap_elements('float\s:\sleft\s;','float\s:\sright\s;',$s);
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//background & background-position Right <==> Left
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// Left => tmp
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$m = '/((background|background-position)\s{0,}:\s{0,}(.+)(left)(.+));/i';
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$r = "$2: $3JCSS_TMP_VALUE$5;";
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$s = preg_replace($m,$r,$s);
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//Right => Left
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$m = '/((background|background-position)\s{0,}:\s{0,}(.+)(right)(.+));/i';
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$r = "$2: $3left$5; /* JCss.Old $1 */";
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$s = preg_replace($m,$r,$s);
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//tmp => Right
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$m = '/((background|background-position)\s{0,}:\s{0,}(.+)(JCSS_TMP_VALUE)(.+));/i';
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$r = "$2: $3right$5; /* JCss.Old $2:$3left$5 */";
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$s = preg_replace($m,$r,$s);
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// check background X and Y is not so simple...
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//$m = '/((background|background-position)\s{0,}:\s{0,}(.+)(.+%)(.+)(.+%));/i';
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// $4 is the X 0,1 should become 100%
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// 100% should become 0
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//$r = "$2: $3$4$5$6; /* JCss.Old $1 */";
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//$s = preg_replace($m,$r,$s);
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return $s;
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}
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// $e1 sample : text-align\s:\s left\s;
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// $e2 sample : text-align\s:\s right\s;
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// "\s" stands for any spaces will become \s{0,}
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function swap_elements($e1, $e2,$s){
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$m1 = str_replace('\s','\s{0,}',$e1);
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$r1 = str_replace('\s','',$e1);
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$r1 = str_replace(':',': ',$r1); //add space after :
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$m2 = str_replace('\s','\s{0,}',$e2);
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$r2 = str_replace('\s','',$e2);
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$r2 = str_replace(':',': ',$r2); //add space after :
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//text-align:left ==> text-align:tmp-left
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$m = '/'.$m1.'/i';
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$r = JCSS_TMP_VALUE; //'jcss.tmp.value';
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$s = preg_replace($m,$r,$s);
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//text-align: right=> text-align: left
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$m = '/'.$m2.'/i';
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$r = $r1 .' /* JCss.Old '.$r2.' */';
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$s = preg_replace($m,$r,$s);
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//text-align:tmp-left => text-align: right
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$m = JCSS_TMP_VALUE; //'jcss.tmp.value';
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$r = $r2 .' /* JCss.Old '.$r1.' */';
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$s = str_replace($m,$r,$s);
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return $s;
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}
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?>
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