convert "::1" and other pseudo-IPv6 addresses that Apache may throw at us to their...
[lhc/web/wiklou.git] / includes / EditPage.php
index 5775e1a..8cad492 100644 (file)
@@ -32,6 +32,7 @@ class EditPage {
        var $allowBlankSummary = false;
        var $autoSumm = '';
        var $hookError = '';
+       var $mPreviewTemplates;
 
        # Form values
        var $save = false, $preview = false, $diff = false;
@@ -40,6 +41,14 @@ class EditPage {
        var $edittime = '', $section = '', $starttime = '';
        var $oldid = 0, $editintro = '', $scrolltop = null;
 
+       # Placeholders for text injection by hooks (must be HTML)
+       # extensions should take care to _append_ to the present value
+       public $editFormPageTop; // Before even the preview
+       public $editFormTextTop;
+       public $editFormTextAfterWarn;
+       public $editFormTextAfterTools;
+       public $editFormTextBottom;
+
        /**
         * @todo document
         * @param $article
@@ -48,6 +57,13 @@ class EditPage {
                $this->mArticle =& $article;
                global $wgTitle;
                $this->mTitle =& $wgTitle;
+
+               # Placeholders for text injection by hooks (empty per default)
+               $this->editFormPageTop =
+               $this->editFormTextTop =
+               $this->editFormTextAfterWarn =
+               $this->editFormTextAfterTools =
+               $this->editFormTextBottom = "";
        }
        
        /**
@@ -59,6 +75,7 @@ class EditPage {
                # Get variables from query string :P
                $section = $wgRequest->getVal( 'section' );
                $preload = $wgRequest->getVal( 'preload' );
+               $undo = $wgRequest->getVal( 'undo' );
 
                wfProfileIn( __METHOD__ );
 
@@ -79,8 +96,37 @@ class EditPage {
                        // information.
                        
                        $text = $this->mArticle->getContent();
-                       
-                       if( $section != '' ) {
+
+                       if ( $undo > 0 ) {
+                               #Undoing a specific edit overrides section editing; section-editing
+                               # doesn't work with undoing.
+                               $undorev = Revision::newFromId($undo);
+
+                               #Sanity check, make sure it's the right page.
+                               # Otherwise, $text will be left as-is.
+                               if (!is_null($undorev) && $undorev->getPage() == $this->mArticle->getID()) {
+                                       $oldrev = $undorev->getPrevious();
+                                       $undorev_text = $undorev->getText();
+                                       $oldrev_text = $oldrev->getText();
+                                       $currev_text = $text;
+       
+                                       $result = wfMerge($undorev_text, $oldrev_text, $currev_text, $text);
+       
+                                       if (!$result) {
+                                               #Undoing failed. Bailing out with regular revision text.
+                                               $text = $currev_text;
+
+                                               #Give a warning
+                                               $this->editFormPageTop .= "<h2>" . wfMsg('undofailed') . "</h2>\n" .
+                                                                       '<p><strong class="error">'.wfMsg('explainundofailed').'</strong></p>';
+                                       } else {
+                                               $this->editFormPageTop .= '<h2>'.wfMsg('undosucceeded')."</h2>\n" .
+                                                                               '<p>'.wfMsg('explainundosucceeded').'</p>';
+                                               $this->summary = wfMsgForContent('undo-summary', $undo, $undorev->getUserText());
+                                       }
+                               }
+                       }
+                       else if( $section != '' ) {
                                if( $section == 'new' ) {
                                        $text = $this->getPreloadedText( $preload );
                                } else {
@@ -557,6 +603,7 @@ class EditPage {
                $this->mMetaData = '' ;
 
                # Check for spam
+               $matches = array();
                if ( $wgSpamRegex && preg_match( $wgSpamRegex, $this->textbox1, $matches ) ) {
                        $this->spamPage ( $matches[0] );
                        wfProfileOut( "$fname-checks" );
@@ -727,7 +774,7 @@ class EditPage {
 
                # Handle the user preference to force summaries here, but not for null edits
                if( $this->section != 'new' && !$this->allowBlankSummary && $wgUser->getOption( 'forceeditsummary')
-                       &&  0 != strcmp($oldtext, $text) ) {
+                       &&  0 != strcmp($oldtext, $text) && !Article::getRedirectAutosummary( $text )) {
                        if( md5( $this->summary ) == $this->autoSumm ) {
                                $this->missingSummary = true;
                                wfProfileOut( $fname );
@@ -801,8 +848,8 @@ class EditPage {
         */
        function initialiseForm() {
                $this->edittime = $this->mArticle->getTimestamp();
-               $this->textbox1 = $this->getContent();
                $this->summary = '';
+               $this->textbox1 = $this->getContent();
                if ( !$this->mArticle->exists() && $this->mArticle->mTitle->getNamespace() == NS_MEDIAWIKI )
                        $this->textbox1 = wfMsgWeirdKey( $this->mArticle->mTitle->getText() ) ;
                wfProxyCheck();
@@ -844,6 +891,7 @@ class EditPage {
                                        $s = wfMsg('editingcomment', $this->mTitle->getPrefixedText() );
                                } else {
                                        $s = wfMsg('editingsection', $this->mTitle->getPrefixedText() );
+                                       $matches = array();
                                        if( !$this->summary && !$this->preview && !$this->diff ) {
                                                preg_match( "/^(=+)(.+)\\1/mi",
                                                        $this->textbox1,
@@ -927,6 +975,10 @@ class EditPage {
                        $wgOut->addWikiText( wfMsg( 'longpagewarning', $wgLang->formatNum( $this->kblength ) ) );
                }
 
+               #need to parse the preview early so that we know which templates are used,
+               #otherwise users with "show preview after edit box" will get a blank list
+               $previewOutput = $this->getPreviewText();
+
                $rows = $wgUser->getIntOption( 'rows' );
                $cols = $wgUser->getIntOption( 'cols' );
 
@@ -1001,10 +1053,12 @@ class EditPage {
 
                $checkboxhtml = $minoredithtml . $watchhtml;
 
+               $wgOut->addHTML( $this->editFormPageTop );
+
                if ( $wgUser->getOption( 'previewontop' ) ) {
 
                        if ( 'preview' == $this->formtype ) {
-                               $this->showPreview();
+                               $this->showPreview( $previewOutput );
                        } else {
                                $wgOut->addHTML( '<div id="wikiPreview"></div>' );
                        }
@@ -1015,6 +1069,8 @@ class EditPage {
                }
 
 
+               $wgOut->addHTML( $this->editFormTextTop );
+
                # 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( $wgContLang->recodeForEdit( $this->summary ) ); # FIXME
@@ -1022,17 +1078,20 @@ class EditPage {
                        $commentsubject="<span id='wpSummaryLabel'><label for='wpSummary'>{$subject}:</label></span>\n<div class='editOptions'>\n<input tabindex='1' type='text' value=\"$summarytext\" name='wpSummary' id='wpSummary' maxlength='200' size='60' /><br />";
                        $editsummary = '';
                        $subjectpreview = $summarytext && $this->preview ? "<div class=\"mw-summary-preview\">".wfMsg('subject-preview').':'.$sk->commentBlock( $this->summary, $this->mTitle )."</div>\n" : '';
+                       $summarypreview = '';
                } else {
                        $commentsubject = '';
                        $editsummary="<span id='wpSummaryLabel'><label for='wpSummary'>{$summary}:</label></span>\n<div class='editOptions'>\n<input tabindex='2' type='text' value=\"$summarytext\" name='wpSummary' id='wpSummary' maxlength='200' size='60' /><br />";
                        $summarypreview = $summarytext && $this->preview ? "<div class=\"mw-summary-preview\">".wfMsg('summary-preview').':'.$sk->commentBlock( $this->summary, $this->mTitle )."</div>\n" : '';
+                       $subjectpreview = '';
                }
 
                # Set focus to the edit box on load, except on preview or diff, where it would interfere with the display
                if( !$this->preview && !$this->diff ) {
                        $wgOut->setOnloadHandler( 'document.editform.wpTextbox1.focus()' );
                }
-               $templates = $this->formatTemplates();
+               $templates = ($this->preview || $this->section) ? $this->mPreviewTemplates : $this->mArticle->getUsedTemplates();
+               $formattedtemplates = $sk->formatTemplates( $templates, $this->preview, $this->section != '');
 
                global $wgUseMetadataEdit ;
                if ( $wgUseMetadataEdit ) {
@@ -1153,6 +1212,7 @@ END
                " );
 
                $wgOut->addWikiText( $copywarn );
+               $wgOut->addHTML( $this->editFormTextAfterWarn );
                $wgOut->addHTML( "
 {$metadata}
 {$editsummary}
@@ -1172,10 +1232,11 @@ END
 </div><!-- editOptions -->");
 
                $wgOut->addWikiText( wfMsgForContent( 'edittools' ) );
+               $wgOut->addHTML( $this->editFormTextAfterTools );
 
                $wgOut->addHTML( "
 <div class='templatesUsed'>
-{$templates}
+{$formattedtemplates}
 </div>
 " );
 
@@ -1216,11 +1277,12 @@ END
                        $wgOut->addHTML( "<textarea tabindex=6 id='wpTextbox2' name=\"wpTextbox2\" rows='{$rows}' cols='{$cols}' wrap='virtual'>"
                                . htmlspecialchars( $this->safeUnicodeOutput( $this->textbox2 ) ) . "\n</textarea>" );
                }
+               $wgOut->addHTML( $this->editFormTextBottom );
                $wgOut->addHTML( "</form>\n" );
                if ( !$wgUser->getOption( 'previewontop' ) ) {
 
                        if ( $this->formtype == 'preview') {
-                               $this->showPreview();
+                               $this->showPreview( $previewOutput );
                        } else {
                                $wgOut->addHTML( '<div id="wikiPreview"></div>' );
                        }
@@ -1237,57 +1299,23 @@ END
        /**
         * Append preview output to $wgOut.
         * Includes category rendering if this is a category page.
-        * @private
+        *
+        * @param string $text The HTML to be output for the preview.
         */
-       function showPreview() {
+       private function showPreview( $text ) {
                global $wgOut;
 
                $wgOut->addHTML( '<div id="wikiPreview">' );
                if($this->mTitle->getNamespace() == NS_CATEGORY) {
                        $this->mArticle->openShowCategory();
                }
-               $previewOutput = $this->getPreviewText();
-               $wgOut->addHTML( $previewOutput );
+               $wgOut->addHTML( $text );
                if($this->mTitle->getNamespace() == NS_CATEGORY) {
                        $this->mArticle->closeShowCategory();
                }
                $wgOut->addHTML( '</div>' );
        }
 
-       /**
-        * Prepare a list of templates used by this page. Returns HTML.
-        */
-       function formatTemplates() {
-               global $wgUser;
-
-               $fname = 'EditPage::formatTemplates';
-               wfProfileIn( $fname );
-
-               $sk =& $wgUser->getSkin();
-
-               $outText = '';
-               $templates = $this->mArticle->getUsedTemplates();
-               if ( count( $templates ) > 0 ) {
-                       # Do a batch existence check
-                       $batch = new LinkBatch;
-                       foreach( $templates as $title ) {
-                               $batch->addObj( $title );
-                       }
-                       $batch->execute();
-
-                       # Construct the HTML
-                       $outText = '<div class="mw-templatesUsedExplanation">' .
-                               wfMsgExt( 'templatesused', array( 'parse' ) ) .
-                               '</div><ul>';
-                       foreach ( $templates as $titleObj ) {
-                               $outText .= '<li>' . $sk->makeLinkObj( $titleObj ) . '</li>';
-                       }
-                       $outText .= '</ul>';
-               }
-               wfProfileOut( $fname );
-               return $outText;
-       }
-
        /**
         * Live Preview lets us fetch rendered preview page content and
         * add it to the page without refreshing the whole page.
@@ -1404,6 +1432,10 @@ END
                        $previewHTML = $parserOutput->getText();
                        $wgOut->addParserOutputNoText( $parserOutput );
 
+                       foreach ( $parserOutput->getTemplates() as $ns => $template)
+                               foreach ( array_keys( $template ) as $dbk)
+                                       $this->mPreviewTemplates[] = Title::makeTitle($ns, $dbk);
+
                        wfProfileOut( $fname );
                        return $previewhead . $previewHTML;
                }
@@ -1517,6 +1549,7 @@ END
                }
                $currentText = $currentRevision->getText();
 
+               $result = '';
                if( wfMerge( $baseText, $editText, $currentText, $result ) ){
                        $editText = $result;
                        wfProfileOut( $fname );