includes/EditPage.php

   1 <?php
   2
   3 # Splitting edit page/HTML interface from Article...
   4 # The actual database and text munging is still in Article,
   5 # but it should get easier to call those from alternate
   6 # interfaces.
   7
   8 class EditPage {
   9         var $mArticle;
  10         var $mTitle;
  11
  12         function EditPage( $article ) {
  13                 $this->mArticle =& $article;
  14                 global $wgTitle;
  15                 $this->mTitle =& $wgTitle;
  16         }
  17
  18         # This is the function that gets called for "action=edit".
  19
  20         function edit()
  21         {
  22                 global $wgOut, $wgUser, $wgWhitelistEdit;
  23                 global $wpTextbox1, $wpSummary, $wpSave, $wpPreview;
  24                 global $wpMinoredit, $wpEdittime, $wpTextbox2;
  25                 // this is not an article
  26                 $wgOut->setArticleFlag(false);
  27
  28                 $fields = array( "wpTextbox1", "wpSummary", "wpTextbox2" );
  29                 wfCleanFormFields( $fields );
  30
  31                 if ( ! $this->mTitle->userCanEdit() ) {
  32                         $wgOut->readOnlyPage( $this->mArticle->getContent(), true );
  33                         return;
  34                 }
  35                 if ( $wgUser->isBlocked() ) {
  36                         $this->blockedIPpage();
  37                         return;
  38                 }
  39                 if ( !$wgUser->getID() && $wgWhitelistEdit ) {
  40                         $this->userNotLoggedInPage();
  41                         return;
  42                 }
  43                 if ( wfReadOnly() ) {
  44                         if( isset( $wpSave ) or isset( $wpPreview ) ) {
  45                                 $this->editForm( "preview" );
  46                         } else {
  47                                 $wgOut->readOnlyPage( $this->mArticle->getContent() );
  48                         }
  49                         return;
  50                 }
  51                 if ( $_SERVER['REQUEST_METHOD'] != "POST" ) unset( $wpSave );
  52                 if ( isset( $wpSave ) ) {
  53                         $this->editForm( "save" );
  54                 } else if ( isset( $wpPreview ) ) {
  55                         $this->editForm( "preview" );
  56                 } else { # First time through
  57                         $this->editForm( "initial" );
  58                 }
  59         }
  60
  61         # Since there is only one text field on the edit form,
  62         # pressing <enter> will cause the form to be submitted, but
  63         # the submit button value won't appear in the query, so we
  64         # Fake it here before going back to edit().  This is kind of
  65         # ugly, but it helps some old URLs to still work.
  66
  67         function submit()
  68         {
  69                 global $wpSave, $wpPreview;
  70                 if ( ! isset( $wpPreview ) ) { $wpSave = 1; }
  71
  72                 $this->edit();
  73         }
  74
  75         # The edit form is self-submitting, so that when things like
  76         # preview and edit conflicts occur, we get the same form back
  77         # with the extra stuff added.  Only when the final submission
  78         # is made and all is well do we actually save and redirect to
  79         # the newly-edited page.
  80
  81         function editForm( $formtype )
  82         {
  83                 global $wgOut, $wgUser;
  84                 global $wpTextbox1, $wpSummary, $wpWatchthis;
  85                 global $wpSave, $wpPreview;
  86                 global $wpMinoredit, $wpEdittime, $wpTextbox2, $wpSection;
  87                 global $oldid, $redirect, $section;
  88                 global $wgLang, $wgParser, $wgTitle;
  89             global $wgAllowAnonymousMinor;
  90
  91                 if(isset($wpSection)) { $section=$wpSection; } else { $wpSection=$section; }
  92
  93                 $sk = $wgUser->getSkin();
  94                 $isConflict = false;
  95                 $wpTextbox1 = rtrim ( $wpTextbox1 ) ; # To avoid text getting longer on each preview
  96
  97                 if(!$this->mTitle->getArticleID()) { # new article
  98                         $wgOut->addWikiText(wfmsg("newarticletext"));
  99                 }
 100
 101                 $talknamespaces = array( NS_TALK, NS_WP_TALK, NS_IMAGE_TALK, NS_MEDIAWIKI_TALK );
 102                 if( in_array( $this->mTitle->getNamespace(), $talknamespaces ) ) {
 103                         $wgOut->addWikiText(wfmsg("talkpagetext"));
 104                 }
 105
 106                 # Attempt submission here.  This will check for edit conflicts,
 107                 # and redundantly check for locked database, blocked IPs, etc.
 108                 # that edit() already checked just in case someone tries to sneak
 109                 # in the back door with a hand-edited submission URL.
 110
 111                 if ( "save" == $formtype ) {
 112                         if ( $wgUser->isBlocked() ) {
 113                                 $this->blockedIPpage();
 114                                 return;
 115                         }
 116                         if ( !$wgUser->getID() && $wgWhitelistEdit ) {
 117                                 $this->userNotLoggedInPage();
 118                                 return;
 119                         }
 120                         if ( wfReadOnly() ) {
 121                                 $wgOut->readOnlyPage();
 122                                 return;
 123                         }
 124                         # If article is new, insert it.
 125
 126                         $aid = $this->mTitle->getArticleID();
 127                         if ( 0 == $aid ) {
 128                                 # we need to strip Windoze linebreaks because some browsers
 129                                 # append them and the string comparison fails
 130                                 if ( ( "" == $wpTextbox1 ) ||
 131                                   ( wfMsg( "newarticletext" ) == rtrim( preg_replace("/\r/","",$wpTextbox1) ) ) ) {
 132                                         $wgOut->redirect( $this->mTitle->getURL() );
 133                                         return;
 134                                 }
 135                                 $this->mArticle->insertNewArticle( $wpTextbox1, $wpSummary, $wpMinoredit, $wpWatchthis );
 136                                 return;
 137                         }
 138                         # Article exists. Check for edit conflict.
 139                         # Don't check for conflict when appending a comment - this should always work
 140
 141                         $this->mArticle->clear(); # Force reload of dates, etc.
 142                         if ( $section!="new" && ( $this->mArticle->getTimestamp() != $wpEdittime ) ) {
 143                                 $isConflict = true;
 144                         }
 145                         $u = $wgUser->getID();
 146
 147                         # Suppress edit conflict with self
 148
 149                         if ( ( 0 != $u ) && ( $this->mArticle->getUser() == $u ) ) {
 150                                 $isConflict = false;
 151                         } else {
 152                                 # switch from section editing to normal editing in edit conflict
 153                                 if($isConflict) {
 154                                         $section="";$wpSection="";
 155                                 }
 156
 157                         }
 158                         if ( ! $isConflict ) {
 159                                 # All's well: update the article here
 160                                 if($this->mArticle->updateArticle( $wpTextbox1, $wpSummary, $wpMinoredit, $wpWatchthis, $wpSection ))
 161                                         return;
 162                                 else
 163                                         $isConflict = true;
 164                         }
 165                 }
 166                 # First time through: get contents, set time for conflict
 167                 # checking, etc.
 168
 169                 if ( "initial" == $formtype ) {
 170                         $wpEdittime = $this->mArticle->getTimestamp();
 171                         $wpTextbox1 = $this->mArticle->getContent(true);
 172                         $wpSummary = "";
 173                 }
 174                 $wgOut->setRobotpolicy( "noindex,nofollow" );
 175
 176                 # Enabled article-related sidebar, toplinks, etc.
 177                 $wgOut->setArticleRelated( true );
 178
 179                 if ( $isConflict ) {
 180                         $s = wfMsg( "editconflict", $this->mTitle->getPrefixedText() );
 181                         $wgOut->setPageTitle( $s );
 182                         $wgOut->addHTML( wfMsg( "explainconflict" ) );
 183
 184                         $wpTextbox2 = $wpTextbox1;
 185                         $wpTextbox1 = $this->mArticle->getContent(true);
 186                         $wpEdittime = $this->mArticle->getTimestamp();
 187                 } else {
 188                         $s = wfMsg( "editing", $this->mTitle->getPrefixedText() );
 189
 190                         if($section!="") {
 191                                 if($section=="new") {
 192                                         $s.=wfMsg("commentedit");
 193                                 } else {
 194                                         $s.=wfMsg("sectionedit");
 195                                 }
 196                         }
 197                         $wgOut->setPageTitle( $s );
 198                         if ( $oldid ) {
 199                                 $this->mArticle->setOldSubtitle();
 200                                 $wgOut->addHTML( wfMsg( "editingold" ) );
 201                         }
 202                 }
 203
 204                 if( wfReadOnly() ) {
 205                         $wgOut->addHTML( "<strong>" .
 206                                 wfMsg( "readonlywarning" ) .
 207                                 "</strong>" );
 208                 }
 209                 if( $this->mTitle->isProtected() ) {
 210                         $wgOut->addHTML( "<strong>" . wfMsg( "protectedpagewarning" ) .
 211                           "</strong><br />\n" );
 212                 }
 213
 214                 $kblength = (int)(strlen( $wpTextbox1 ) / 1024);
 215                 if( $kblength > 29 ) {
 216                         $wgOut->addHTML( "<strong>" .
 217                                 wfMsg( "longpagewarning", $kblength )
 218                                 . "</strong>" );
 219                 }
 220
 221                 $rows = $wgUser->getOption( "rows" );
 222                 $cols = $wgUser->getOption( "cols" );
 223
 224                 $ew = $wgUser->getOption( "editwidth" );
 225                 if ( $ew ) $ew = " style=\"width:100%\"";
 226                 else $ew = "" ;
 227
 228                 $q = "action=submit";
 229                 if ( "no" == $redirect ) { $q .= "&redirect=no"; }
 230                 $action = $this->mTitle->getURL( $q, true );
 231
 232                 $summary = wfMsg( "summary" );
 233                 $subject = wfMsg("subject");
 234                 $minor = wfMsg( "minoredit" );
 235                 $watchthis = wfMsg ("watchthis");
 236                 $save = wfMsg( "savearticle" );
 237                 $prev = wfMsg( "showpreview" );
 238
 239                 $cancel = $sk->makeKnownLink( $this->mTitle->getPrefixedURL(),
 240                   wfMsg( "cancel" ) );
 241                 $edithelp = $sk->makeKnownLink( wfMsg( "edithelppage" ),
 242                   wfMsg( "edithelp" ) );
 243                 $copywarn = wfMsg( "copyrightwarning", $sk->makeKnownLink(
 244                   wfMsg( "copyrightpage" ) ) );
 245
 246                 $wpTextbox1 = wfEscapeHTML( $wpTextbox1 );
 247                 $wpTextbox2 = wfEscapeHTML( $wpTextbox2 );
 248                 $wpSummary = wfEscapeHTML( $wpSummary );
 249
 250
 251                 if($wgUser->getOption("showtoolbar")) {
 252                         // prepare toolbar for edit buttons
 253                         $toolbar=$sk->getEditToolbar();
 254                 }
 255
 256                 // activate checkboxes if user wants them to be always active
 257                 if (!$wpPreview && $wgUser->getOption("watchdefault")) $wpWatchthis=1;
 258                 if (!$wpPreview && $wgUser->getOption("minordefault")) $wpMinoredit=1;
 259
 260                 // activate checkbox also if user is already watching the page,
 261                 // require wpWatchthis to be unset so that second condition is not
 262                 // checked unnecessarily
 263                 if (!$wpWatchthis && !$wpPreview && $this->mTitle->userIsWatching()) $wpWatchthis=1;
 264
 265                 $minoredithtml = "";
 266
 267                 if ( 0 != $wgUser->getID() || $wgAllowAnonymousMinor ) {
 268                         $minoredithtml =
 269                         "<input tabindex=3 type=checkbox value=1 name='wpMinoredit'".($wpMinoredit?" checked":"")." id='wpMinoredit'>".
 270                         "<label for='wpMinoredit'>{$minor}</label>";
 271                 }
 272
 273                 $watchhtml = "";
 274
 275                 if ( 0 != $wgUser->getID() ) {
 276                         $watchhtml = "<input tabindex=4 type=checkbox name='wpWatchthis'".($wpWatchthis?" checked":"")." id='wpWatchthis'>".
 277                         "<label for='wpWatchthis'>{$watchthis}</label>";
 278
 279                 }
 280
 281                 $checkboxhtml= $minoredithtml . $watchhtml . "<br>";
 282
 283                 if ( "preview" == $formtype) {
 284
 285                         $previewhead="<h2>" . wfMsg( "preview" ) . "</h2>\n<p><large><center><font color=\"#cc0000\">" .
 286                         wfMsg( "note" ) . wfMsg( "previewnote" ) . "</font></center></large><P>\n";
 287                         if ( $isConflict ) {
 288                                 $previewhead.="<h2>" . wfMsg( "previewconflict" ) .
 289                                   "</h2>\n";
 290                         }
 291                         $previewtext = wfUnescapeHTML( $wpTextbox1 );
 292
 293                         $parserOptions = ParserOptions::newFromUser( $wgUser );
 294                         $parserOptions->setUseCategoryMagic( false );
 295                         $parserOptions->setEditSection( false );
 296                         $parserOptions->setEditSectionOnRightClick( false );
 297                         $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $previewtext ) ."\n\n",
 298                                 $wgTitle, $parserOptions );
 299                         $previewHTML = $parserOutput->mText;
 300
 301                         if($wgUser->getOption("previewontop")) {
 302                                 $wgOut->addHTML($previewhead);
 303                                 $wgOut->addHTML($previewHTML);
 304                         }
 305                         $wgOut->addHTML( "<br clear=\"all\" />\n" );
 306                 }
 307
 308                 # if this is a comment, show a subject line at the top, which is also the edit summary.
 309                 # Otherwise, show a summary field at the bottom
 310                 if($section=="new") {
 311
 312                         $commentsubject="{$subject}: <input tabindex=1 type=text value=\"{$wpSummary}\" name=\"wpSummary\" maxlength=200 size=60><br>";
 313                 } else {
 314
 315                         $editsummary="{$summary}: <input tabindex=3 type=text value=\"{$wpSummary}\" name=\"wpSummary\" maxlength=200 size=60><br>";
 316                 }
 317
 318                 if( $_GET["action"] == "edit" ) {
 319                         # Don't select the edit box on preview; this interferes with seeing what's going on.
 320                         $wgOut->setOnloadHandler( "document.editform.wpTextbox1.focus()" );
 321                 }
 322                 $wgOut->addHTML( "
 323 {$toolbar}
 324 <form id=\"editform\" name=\"editform\" method=\"post\" action=\"$action\"
 325 enctype=\"application/x-www-form-urlencoded\">
 326 {$commentsubject}
 327 <textarea tabindex=2 name=\"wpTextbox1\" rows={$rows}
 328 cols={$cols}{$ew} wrap=\"virtual\">" .
 329 $wgLang->recodeForEdit( $wpTextbox1 ) .
 330 "
 331 </textarea>
 332 <br>{$editsummary}
 333 {$checkboxhtml}
 334 <input tabindex=5 type=submit value=\"{$save}\" name=\"wpSave\" accesskey=\"s\">
 335 <input tabindex=6 type=submit value=\"{$prev}\" name=\"wpPreview\" accesskey=\"p\">
 336 <em>{$cancel}</em> | <em>{$edithelp}</em>
 337 <br><br>{$copywarn}
 338 <input type=hidden value=\"{$section}\" name=\"wpSection\">
 339 <input type=hidden value=\"{$wpEdittime}\" name=\"wpEdittime\">\n" );
 340
 341                 if ( $isConflict ) {
 342                         $wgOut->addHTML( "<h2>" . wfMsg( "yourdiff" ) . "</h2>\n" );
 343                         DifferenceEngine::showDiff( $wpTextbox2, $wpTextbox1,
 344                           wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
 345
 346                         $wgOut->addHTML( "<h2>" . wfMsg( "yourtext" ) . "</h2>
 347 <textarea tabindex=6 name=\"wpTextbox2\" rows={$rows} cols={$cols} wrap=virtual>"
 348 . $wgLang->recodeForEdit( $wpTextbox2 ) .
 349 "
 350 </textarea>" );
 351                 }
 352                 $wgOut->addHTML( "</form>\n" );
 353                 if($formtype =="preview" && !$wgUser->getOption("previewontop")) {
 354                         $wgOut->addHTML($previewhead);
 355                         $wgOut->addHTML($previewHTML);
 356                 }
 357
 358         }
 359
 360         function blockedIPpage()
 361         {
 362                 global $wgOut, $wgUser, $wgLang, $wgIP;
 363
 364                 $wgOut->setPageTitle( wfMsg( "blockedtitle" ) );
 365                 $wgOut->setRobotpolicy( "noindex,nofollow" );
 366                 $wgOut->setArticleRelated( false );
 367
 368                 $id = $wgUser->blockedBy();
 369                 $reason = $wgUser->blockedFor();
 370                 $ip = $wgIP;
 371
 372                 $name = User::whoIs( $id );
 373                 $link = "[[" . $wgLang->getNsText( Namespace::getUser() ) .
 374                   ":{$name}|{$name}]]";
 375
 376                 $wgOut->addWikiText( wfMsg( "blockedtext", $link, $reason, $ip ) );
 377                 $wgOut->returnToMain( false );
 378         }
 379
 380
 381
 382         function userNotLoggedInPage()
 383         {
 384                 global $wgOut, $wgUser, $wgLang;
 385
 386                 $wgOut->setPageTitle( wfMsg( "whitelistedittitle" ) );
 387                 $wgOut->setRobotpolicy( "noindex,nofollow" );
 388                 $wgOut->setArticleRelated( false );
 389
 390                 $wgOut->addWikiText( wfMsg( "whitelistedittext" ) );
 391                 $wgOut->returnToMain( false );
 392         }
 393
 394
 395 }
 396
 397 ?>