includes/EditPage.php

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