Tell regexp parser to use extra analysis on external link regexp;
[lhc/web/wiklou.git] / includes / EditPage.php
index d1c3a9f..cf64b00 100644 (file)
@@ -1,10 +1,18 @@
 <?php
-# $Id$
-
-# Splitting edit page/HTML interface from Article...
-# The actual database and text munging is still in Article,
-# but it should get easier to call those from alternate
-# interfaces.
+/**
+ * Contain the EditPage class
+ * @package MediaWiki
+ * @version $Id$
+ */
+
+/**
+ * Splitting edit page/HTML interface from Article...
+ * The actual database and text munging is still in Article,
+ * but it should get easier to call those from alternate
+ * interfaces.
+ *
+ * @package MediaWiki
+ */
 
 class EditPage {
        var $mArticle;
@@ -17,16 +25,20 @@ class EditPage {
        var $edittime = '', $section = '';
        var $oldid = 0;
        
+       /**
+        * @todo document
+        * @param $article
+        */
        function EditPage( $article ) {
                $this->mArticle =& $article;
                global $wgTitle;
                $this->mTitle =& $wgTitle;
        }
 
-       # This is the function that gets called for "action=edit".
-
-       function edit()
-       {
+       /**
+        * This is the function that gets called for "action=edit".
+        */
+       function edit() {
                global $wgOut, $wgUser, $wgWhitelistEdit, $wgRequest;
                // this is not an article
                $wgOut->setArticleFlag(false);
@@ -55,13 +67,16 @@ class EditPage {
                }
                if ( $this->save ) {
                        $this->editForm( 'save' );
-               } else if ( $this->preview ) {
+               } else if ( $this->preview or $wgUser->getOption('previewonfirst')) {
                        $this->editForm( 'preview' );
                } else { # First time through
                        $this->editForm( 'initial' );
                }
        }
 
+       /**
+        * @todo document
+        */
        function importFormData( &$request ) {
                # These fields need to be checked for encoding.
                # Also remove trailing whitespace, but don't remove _initial_
@@ -84,32 +99,35 @@ class EditPage {
                $this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
        }
 
-       # Since there is only one text field on the edit form,
-       # pressing <enter> will cause the form to be submitted, but
-       # the submit button value won't appear in the query, so we
-       # Fake it here before going back to edit().  This is kind of
-       # ugly, but it helps some old URLs to still work.
-
-       function submit()
-       {
+       /**
+        * Since there is only one text field on the edit form,
+        * pressing <enter> will cause the form to be submitted, but
+        * the submit button value won't appear in the query, so we
+        * Fake it here before going back to edit().  This is kind of
+        * ugly, but it helps some old URLs to still work.
+        */
+       function submit() {
                if( !$this->preview ) $this->save = true;
 
                $this->edit();
        }
 
-       # The edit form is self-submitting, so that when things like
-       # preview and edit conflicts occur, we get the same form back
-       # with the extra stuff added.  Only when the final submission
-       # is made and all is well do we actually save and redirect to
-       # the newly-edited page.
-
-       function editForm( $formtype )
-       {
+       /**
+        * The edit form is self-submitting, so that when things like
+        * preview and edit conflicts occur, we get the same form back
+        * with the extra stuff added.  Only when the final submission
+        * is made and all is well do we actually save and redirect to
+        * the newly-edited page.
+        *
+        * @param string $formtype Type of form either : save, initial or preview
+        */
+       function editForm( $formtype ) {
                global $wgOut, $wgUser;
-               global $wgLang, $wgParser, $wgTitle;
+               global $wgLang, $wgContLang, $wgParser, $wgTitle;
                global $wgAllowAnonymousMinor;
                global $wgWhitelistEdit;
                global $wgSpamRegex, $wgFilterCallback;
+               global $wgUseLatin1;
 
                $sk = $wgUser->getSkin();
                $isConflict = false;
@@ -176,8 +194,14 @@ class EditPage {
                        }
                        $userid = $wgUser->getID();
 
-                       $text = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
-                               $this->section, $this->textbox1, $this->summary);
+                       if ( $isConflict) {
+                               $text = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
+                                       $this->section, $this->textbox1, $this->summary, $this->edittime);
+                       }
+                       else {
+                               $text = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
+                                       $this->section, $this->textbox1, $this->summary);
+                       }
                        # Suppress edit conflict with self
 
                        if ( ( 0 != $userid ) && ( $this->mArticle->getUser() == $userid ) ) {
@@ -198,7 +222,11 @@ class EditPage {
                        if ( ! $isConflict ) {
                                # All's well
                                $sectionanchor = '';
-                               if( $this->section != '' ) {
+                               if( $this->section == 'new' ) {
+                                       if( $this->summary != '' ) {
+                                               $sectionanchor = $this->sectionAnchor( $this->summary );
+                                       }
+                               } elseif( $this->section != '' ) {
                                        # Try to get a section anchor from the section source, redirect to edited section if header found
                                        # XXX: might be better to integrate this into Article::getTextOfLastEditWithSectionReplacedOrAdded
                                        # for duplicate heading checking and maybe parsing
@@ -207,17 +235,7 @@ class EditPage {
                                        # headline would need to be parsed to improve this
                                        #if($hasmatch and strlen($matches[2]) > 0 and !preg_match( "/[\\['{<>]/", $matches[2])) {
                                        if($hasmatch and strlen($matches[2]) > 0) {
-                                               global $wgInputEncoding;
-                                               $headline = do_html_entity_decode( $matches[2], ENT_COMPAT, $wgInputEncoding );
-                                               # strip out HTML 
-                                               $headline = preg_replace( "/<.*?" . ">/","",$headline );
-                                               $headline = trim( $headline );
-                                               $sectionanchor = '#'.urlencode( str_replace(' ', '_', $headline ) );
-                                               $replacearray = array(
-                                                       '%3A' => ':',
-                                                       '%' => '.'
-                                               );
-                                               $sectionanchor = str_replace(array_keys($replacearray),array_values($replacearray),$sectionanchor);
+                                               $sectionanchor = $this->sectionAnchor( $matches[2] );
                                        }
                                }
        
@@ -251,13 +269,12 @@ class EditPage {
                        $this->textbox1 = $this->mArticle->getContent( true );
                        $this->edittime = $this->mArticle->getTimestamp();
                } else {
-                       $s = wfMsg( 'editing', $this->mTitle->getPrefixedText() );
 
                        if( $this->section != '' ) {
                                if( $this->section == 'new' ) {
-                                       $s.=wfMsg('commentedit');
+                                       $s = wfMsg('editingcomment', $this->mTitle->getPrefixedText() );
                                } else {
-                                       $s.=wfMsg('sectionedit');
+                                       $s = wfMsg('editingsection', $this->mTitle->getPrefixedText() );
                                }
                                if(!$this->preview) {
                                        $sectitle=preg_match("/^=+(.*?)=+/mi",
@@ -267,8 +284,14 @@ class EditPage {
                                                $this->summary = "/* ". trim($matches[1])." */ ";
                                        }
                                }
+                       } else {
+                               $s = wfMsg( 'editing', $this->mTitle->getPrefixedText() );
                        }
                        $wgOut->setPageTitle( $s );
+                       if ( !$wgUseLatin1 && !$this->checkUnicodeCompliantBrowser() ) {
+                               $this->mArticle->setOldSubtitle();
+                               $wgOut->addWikiText( wfMsg( 'nonunicodebrowser') );
+                       }
                        if ( $this->oldid ) {
                                $this->mArticle->setOldSubtitle();
                                $wgOut->addHTML( wfMsg( 'editingold' ) );
@@ -282,7 +305,7 @@ class EditPage {
                } else if ( $isCssJsSubpage and 'preview' != $formtype) {
                        $wgOut->addHTML( wfMsg( 'usercssjsyoucanpreview' ));
                }
-               if( $this->mTitle->isProtected() ) {
+               if( $this->mTitle->isProtected('edit') ) {
                        $wgOut->addHTML( '<strong>' . wfMsg( 'protectedpagewarning' ) .
                          "</strong><br />\n" );
                }
@@ -290,7 +313,7 @@ class EditPage {
                $kblength = (int)(strlen( $this->textbox1 ) / 1024);
                if( $kblength > 29 ) {
                        $wgOut->addHTML( '<strong>' .
-                               wfMsg( 'longpagewarning', $kblength )
+                               wfMsg( 'longpagewarning', $wgLang->formatNum( $kblength ) )
                                . '</strong>' );
                }
 
@@ -327,7 +350,7 @@ class EditPage {
 
                if( $wgUser->getOption('showtoolbar') and !$isCssJsSubpage ) {
                        # prepare toolbar for edit buttons
-                       $toolbar = $sk->getEditToolbar();
+                       $toolbar = $this->getEditToolbar();
                } else {
                        $toolbar = '';
                }
@@ -386,8 +409,14 @@ class EditPage {
                                $parserOutput = $wgParser->parse( $previewtext , $wgTitle, $parserOptions );
                                $wgOut->addHTML( $parserOutput->mText );
                        } else {
+                               # if user want to see preview when he edit an article
+                               if( $wgUser->getOption('previewonfirst') and ($this->textbox1 == '')) {
+                                       $this->textbox1 = $this->mArticle->getContent(true);
+                               }
+
                                $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $this->textbox1 ) ."\n\n",
-                                               $wgTitle, $parserOptions );
+                                               $wgTitle, $parserOptions );             
+                               
                                $previewHTML = $parserOutput->mText;
 
                                if($wgUser->getOption('previewontop')) {
@@ -402,7 +431,7 @@ class EditPage {
 
                # if this is a comment, show a subject line at the top, which is also the edit summary.
                # Otherwise, show a summary field at the bottom
-               $summarytext = htmlspecialchars( $wgLang->recodeForEdit( $this->summary ) ); # FIXME
+               $summarytext = htmlspecialchars( $wgContLang->recodeForEdit( $this->summary ) ); # FIXME
                        if( $this->section == 'new' ) {
                                $commentsubject="{$subject}: <input tabindex='1' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60' /><br />";
                                $editsummary = '';
@@ -438,11 +467,11 @@ class EditPage {
                $wgOut->addHTML( "
 {$toolbar}
 <form id=\"editform\" name=\"editform\" method=\"post\" action=\"$action\"
-enctype=\"application/x-www-form-urlencoded\">
+enctype=\"multipart/form-data\">
 {$commentsubject}
 <textarea tabindex='1' accesskey=\",\" name=\"wpTextbox1\" rows='{$rows}'
 cols='{$cols}'{$ew}>" .
-htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
+htmlspecialchars( $wgContLang->recodeForEdit( $this->textbox1 ) ) .
 "
 </textarea>
 <br />{$editsummary}
@@ -465,7 +494,7 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
 
                        $wgOut->addHTML( "<h2>" . wfMsg( "yourtext" ) . "</h2>
 <textarea tabindex=6 id='wpTextbox2' name=\"wpTextbox2\" rows='{$rows}' cols='{$cols}' wrap='virtual'>"
-. htmlspecialchars( $wgLang->recodeForEdit( $this->textbox2 ) ) .
+. htmlspecialchars( $wgContLang->recodeForEdit( $this->textbox2 ) ) .
 "
 </textarea>" );
                }
@@ -476,9 +505,11 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                }
        }
 
-       function blockedIPpage()
-       {
-               global $wgOut, $wgUser, $wgLang, $wgIP;
+       /**
+        * @todo document
+        */
+       function blockedIPpage() {
+               global $wgOut, $wgUser, $wgContLang, $wgIP;
 
                $wgOut->setPageTitle( wfMsg( 'blockedtitle' ) );
                $wgOut->setRobotpolicy( 'noindex,nofollow' );
@@ -493,18 +524,18 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                } else {
                        $name = $id;
                }
-               $link = '[[' . $wgLang->getNsText( Namespace::getUser() ) .
+               $link = '[[' . $wgContLang->getNsText( Namespace::getUser() ) .
                  ":{$name}|{$name}]]";
 
                $wgOut->addWikiText( wfMsg( 'blockedtext', $link, $reason, $ip, $name ) );
                $wgOut->returnToMain( false );
        }
 
-
-
-       function userNotLoggedInPage()
-       {
-               global $wgOut, $wgUser, $wgLang;
+       /**
+        * @todo document
+        */
+       function userNotLoggedInPage() {
+               global $wgOut, $wgUser;
 
                $wgOut->setPageTitle( wfMsg( 'whitelistedittitle' ) );
                $wgOut->setRobotpolicy( 'noindex,nofollow' );
@@ -514,6 +545,9 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                $wgOut->returnToMain( false );
        }
 
+       /**
+        * @todo document
+        */
        function spamPage ( $matches = array() )
        {
                global $wgOut;
@@ -528,10 +562,11 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                $wgOut->returnToMain( false );
        }
 
-       # Forks processes to scan the originating IP for an open proxy server
-       # MemCached can be used to skip IPs that have already been scanned
-       function proxyCheck()
-       {
+       /**
+        * Forks processes to scan the originating IP for an open proxy server
+        * MemCached can be used to skip IPs that have already been scanned
+        */
+       function proxyCheck() {
                global $wgBlockOpenProxies, $wgProxyPorts, $wgProxyScriptPath;
                global $wgIP, $wgUseMemCached, $wgMemc, $wgDBname, $wgProxyMemcExpiry;
                
@@ -571,17 +606,21 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                }
        }
 
-       /* private */ function mergeChangesInto( &$text ){
+       /**
+        * @access private
+        * @todo document
+        */
+       function mergeChangesInto( &$text ){
                $fname = 'EditPage::mergeChangesInto';
                $oldDate = $this->edittime;
                $dbw =& wfGetDB( DB_MASTER );
-               $obj = $dbw->getArray( 'cur', array( 'cur_text' ), array( 'cur_id' => $this->mTitle->getArticleID() ), 
+               $obj = $dbw->selectRow( 'cur', array( 'cur_text' ), array( 'cur_id' => $this->mTitle->getArticleID() ), 
                        $fname, 'FOR UPDATE' );
 
                $yourtext = $obj->cur_text;
                $ns = $this->mTitle->getNamespace();
                $title = $this->mTitle->getDBkey();
-               $obj = $dbw->getArray( 'old', 
+               $obj = $dbw->selectRow( 'old', 
                        array( 'old_text','old_flags'), 
                        array( 'old_namespace' => $ns, 'old_title' => $title, 
                                'old_timestamp' => $dbw->timestamp($oldDate)),
@@ -595,6 +634,168 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                        return false;
                }
        }
+
+
+       function checkUnicodeCompliantBrowser() {
+               global $wgBrowserBlackList;
+               $currentbrowser = $_SERVER["HTTP_USER_AGENT"];
+               foreach ( $wgBrowserBlackList as $browser ) {
+                       if ( preg_match($browser, $currentbrowser) ) {
+                               return false;
+                       }
+               }
+               return true;
+       }
+
+       /**
+        * Format an anchor fragment as it would appear for a given section name
+        * @param string $text
+        * @return string
+        * @access private
+        */
+       function sectionAnchor( $text ) {
+               global $wgInputEncoding;
+               $headline = do_html_entity_decode( $text, ENT_COMPAT, $wgInputEncoding );
+               # strip out HTML 
+               $headline = preg_replace( '/<.*?' . '>/', '', $headline );
+               $headline = trim( $headline );
+               $sectionanchor = '#' . urlencode( str_replace( ' ', '_', $headline ) );
+               $replacearray = array(
+                       '%3A' => ':',
+                       '%' => '.'
+               );
+               return str_replace(
+                       array_keys( $replacearray ),
+                       array_values( $replacearray ),
+                       $sectionanchor );
+       }
+
+       /**
+        * Shows a bulletin board style toolbar for common editing functions.
+        * It can be disabled in the user preferences.
+        * The necessary JavaScript code can be found in style/wikibits.js.
+        */
+       function getEditToolbar() {
+               global $wgStylePath, $wgLang, $wgMimeType;
+
+               /**
+                * toolarray an array of arrays which each include the filename of
+                * the button image (without path), the opening tag, the closing tag,
+                * and optionally a sample text that is inserted between the two when no
+                * selection is highlighted.
+                * The tip text is shown when the user moves the mouse over the button.
+                *
+                * Already here are accesskeys (key), which are not used yet until someone
+                * can figure out a way to make them work in IE. However, we should make
+                * sure these keys are not defined on the edit page.
+                */
+               $toolarray=array(
+                       array(  'image'=>'button_bold.png',
+                                       'open'  =>      "\'\'\'",
+                                       'close' =>      "\'\'\'",
+                                       'sample'=>      wfMsg('bold_sample'),
+                                       'tip'   =>      wfMsg('bold_tip'),
+                                       'key'   =>      'B'
+                               ),
+                       array(  'image'=>'button_italic.png',
+                                       'open'  =>      "\'\'",
+                                       'close' =>      "\'\'",
+                                       'sample'=>      wfMsg('italic_sample'),
+                                       'tip'   =>      wfMsg('italic_tip'),
+                                       'key'   =>      'I'
+                               ),
+                       array(  'image'=>'button_link.png',
+                                       'open'  =>      '[[',
+                                       'close' =>      ']]',
+                                       'sample'=>      wfMsg('link_sample'),
+                                       'tip'   =>      wfMsg('link_tip'),
+                                       'key'   =>      'L'
+                               ),
+                       array(  'image'=>'button_extlink.png',
+                                       'open'  =>      '[',
+                                       'close' =>      ']',
+                                       'sample'=>      wfMsg('extlink_sample'),
+                                       'tip'   =>      wfMsg('extlink_tip'),
+                                       'key'   =>      'X'
+                               ),
+                       array(  'image'=>'button_headline.png',
+                                       'open'  =>      "\\n== ",
+                                       'close' =>      " ==\\n",
+                                       'sample'=>      wfMsg('headline_sample'),
+                                       'tip'   =>      wfMsg('headline_tip'),
+                                       'key'   =>      'H'
+                               ),
+                       array(  'image'=>'button_image.png',
+                                       'open'  =>      '[['.$wgLang->getNsText(NS_IMAGE).":",
+                                       'close' =>      ']]',
+                                       'sample'=>      wfMsg('image_sample'),
+                                       'tip'   =>      wfMsg('image_tip'),
+                                       'key'   =>      'D'
+                               ),
+                       array(  'image' =>      'button_media.png',
+                                       'open'  =>      '[['.$wgLang->getNsText(NS_MEDIA).':',
+                                       'close' =>      ']]',
+                                       'sample'=>      wfMsg('media_sample'),
+                                       'tip'   =>      wfMsg('media_tip'),
+                                       'key'   =>      'M'
+                               ),
+                       array(  'image' =>      'button_math.png',
+                                       'open'  =>      "\\<math\\>",
+                                       'close' =>      "\\</math\\>",
+                                       'sample'=>      wfMsg('math_sample'),
+                                       'tip'   =>      wfMsg('math_tip'),
+                                       'key'   =>      'C'
+                               ),
+                       array(  'image' =>      'button_nowiki.png',
+                                       'open'  =>      "\\<nowiki\\>",
+                                       'close' =>      "\\</nowiki\\>",
+                                       'sample'=>      wfMsg('nowiki_sample'),
+                                       'tip'   =>      wfMsg('nowiki_tip'),
+                                       'key'   =>      'N'
+                               ),
+                       array(  'image' =>      'button_sig.png',
+                                       'open'  =>      '--~~~~',
+                                       'close' =>      '',
+                                       'sample'=>      '',
+                                       'tip'   =>      wfMsg('sig_tip'),
+                                       'key'   =>      'Y'
+                               ),
+                       array(  'image' =>      'button_hr.png',
+                                       'open'  =>      "\\n----\\n",
+                                       'close' =>      '',
+                                       'sample'=>      '',
+                                       'tip'   =>      wfMsg('hr_tip'),
+                                       'key'   =>      'R'
+                               )
+               );
+               $toolbar ="<script type='text/javascript'>\n/*<![CDATA[*/\n";
+
+               $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
+               foreach($toolarray as $tool) {
+
+                       $image=$wgStylePath.'/common/images/'.$tool['image'];
+                       $open=$tool['open'];
+                       $close=$tool['close'];
+                       $sample = addslashes( $tool['sample'] );
+
+                       // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
+                       // Older browsers show a "speedtip" type message only for ALT.
+                       // Ideally these should be different, realistically they
+                       // probably don't need to be.
+                       $tip = addslashes( $tool['tip'] );
+
+                       #$key = $tool["key"];
+
+                       $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
+               }
+
+               $toolbar.="addInfobox('" . addslashes( wfMsg( "infobox" ) ) . "','" . addslashes(wfMsg("infobox_alert")) . "');\n";
+               $toolbar.="document.writeln(\"</div>\");\n";
+
+               $toolbar.="/*]]>*/\n</script>";
+               return $toolbar;
+       }
+
 }
 
 ?>