*
* ReverseChronologicalPager is a child class of the abstract IndexPager, and contains
* some formatting and display code which is specific to the use of timestamps as
- * indexes. It is currently the only such child class. Here is a synopsis of the operation
- * of IndexPager and its primary subclass:
+ * indexes. Here is a synopsis of its operation:
*
* * The query is specified by the offset, limit and direction (dir) parameters, in
* addition to any subclass-specific parameters.
$s .= $this->formatRow( $row );
}
}
+ } else {
+ $s .= $this->getEmptyBody();
}
$s .= $this->getEndBody();
return $s;
return '';
}
+ /**
+ * Hook into getBody(), for the bit between the start and the
+ * end when there are no rows
+ */
+ function getEmptyBody() {
+ return '';
+ }
+
/**
* Title used for self-links. Override this if you want to be able to
* use a title other than $wgTitle
return $this->mResult->numRows();
}
+ /**
+ * Get a query array for the prev, next, first and last links.
+ */
+ function getPagingQueries() {
+ if ( !$this->mQueryDone ) {
+ $this->doQuery();
+ }
+
+ # Don't announce the limit everywhere if it's the default
+ $urlLimit = $this->mLimit == $this->mDefaultLimit ? '' : $this->mLimit;
+
+ if ( $this->mIsFirst ) {
+ $prev = false;
+ $first = false;
+ } else {
+ $prev = array( 'dir' => 'prev', 'offset' => $this->mFirstShown, 'limit' => $urlLimit );
+ $first = array( 'limit' => $urlLimit );
+ }
+ if ( $this->mIsLast ) {
+ $next = false;
+ $last = false;
+ } else {
+ $next = array( 'offset' => $this->mLastShown, 'limit' => $urlLimit );
+ $last = array( 'dir' => 'prev', 'limit' => $urlLimit );
+ }
+ return compact( 'prev', 'next', 'first', 'last' );
+ }
+
+ /**
+ * Get paging links. If a link is disabled, the item from $disabledTexts will
+ * be used. If there is no such item, the unlinked text from $linkTexts will
+ * be used. Both $linkTexts and $disabledTexts are arrays of HTML.
+ */
+ function getPagingLinks( $linkTexts, $disabledTexts = array() ) {
+ $queries = $this->getPagingQueries();
+ $links = array();
+ foreach ( $queries as $type => $query ) {
+ if ( $query !== false ) {
+ $links[$type] = $this->makeLink( $linkTexts[$type], $queries[$type] );
+ } elseif ( isset( $disabledTexts[$type] ) ) {
+ $links[$type] = $disabledTexts[$type];
+ } else {
+ $links[$type] = $linkTexts[$type];
+ }
+ }
+ return $links;
+ }
+
+ function getLimitLinks() {
+ global $wgLang;
+ $links = array();
+ if ( $this->mIsBackwards ) {
+ $offset = $this->mPastTheEndIndex;
+ } else {
+ $offset = $this->mOffset;
+ }
+ foreach ( $this->mLimitsShown as $limit ) {
+ $links[] = $this->makeLink( $wgLang->formatNum( $limit ),
+ array( 'offset' => $offset, 'limit' => $limit ) );
+ }
+ }
+
/**
* Abstract formatting function. This should return an HTML string
* representing the result row $row. Rows will be concatenated and
if ( isset( $this->mNavigationBar ) ) {
return $this->mNavigationBar;
}
- if ( !$this->mQueryDone ) {
- $this->doQuery();
+ $linkTexts = array(
+ 'prev' => wfMsgHtml( "prevn", $this->mLimit ),
+ 'next' => wfMsgHtml( 'nextn', $this->mLimit ),
+ 'first' => wfMsgHtml('histlast'),
+ 'last' => wfMsgHtml( 'histfirst' )
+ );
+
+ $pagingLinks = $this->getPagingLinks( $linkTexts );
+ $limitLinks = $this->getLimitLinks();
+ $limits = implode( ' | ', $limitLinks );
+
+ $this->mNavigationBar = "($latestText | $earliestText) " . wfMsgHtml("viewprevnext", $prevText, $nextText, $limits);
+ return $this->mNavigationBar;
+ }
+}
+
+/**
+ * Table-based display with a user-selectable sort order
+ */
+abstract class TablePager extends IndexPager {
+ var $mSort;
+ var $mCurrentRow;
+
+ function __construct() {
+ global $wgRequest;
+ $this->mSort = $wgRequest->getText( 'sort' );
+ if ( !array_key_exists( $this->mSort, $this->getFieldNames() ) ) {
+ $this->mSort = $this->getDefaultSort();
}
+ if ( $wgRequest->getBool( 'asc' ) ) {
+ $this->mDefaultDirection = false;
+ } elseif ( $wgRequest->getBool( 'desc' ) ) {
+ $this->mDefaultDirection = true;
+ } /* Else leave it at whatever the class default is */
- # Don't announce the limit everywhere if it's the default
- $urlLimit = $this->mLimit == $this->mDefaultLimit ? '' : $this->mLimit;
-
- if ( $this->mIsFirst ) {
- $prevText = wfMsgHtml("prevn", $this->mLimit);
- $latestText = wfMsgHtml('histlast');
- } else {
- $prevText = $this->makeLink( wfMsgHtml("prevn", $this->mLimit),
- array( 'dir' => 'prev', 'offset' => $this->mFirstShown, 'limit' => $urlLimit ) );
- $latestText = $this->makeLink( wfMsgHtml('histlast'),
- array( 'limit' => $urlLimit ) );
+ parent::__construct();
+ }
+
+ function getStartBody() {
+ global $wgStylePath;
+ $s = "<table border='1' class=\"TablePager\"><thead><tr>\n";
+ $fields = $this->getFieldNames();
+ foreach ( $fields as $field => $name ) {
+ if ( strval( $name ) == '' ) {
+ $s .= "<th> </th>\n";
+ } elseif ( $this->isFieldSortable( $field ) ) {
+ $query = array( 'sort' => $field, 'limit' => $this->mLimit );
+ if ( $field == $this->mSort ) {
+ # This is the sorted column
+ # Prepare a link that goes in the other sort order
+ if ( $this->mDefaultDirection ) {
+ # Descending
+ $image = 'Arr_u.png';
+ $query['asc'] = '1';
+ $query['desc'] = '';
+ $alt = htmlspecialchars( wfMsg( 'descending_abbrev' ) );
+ } else {
+ # Ascending
+ $image = 'Arr_d.png';
+ $query['asc'] = '';
+ $query['desc'] = '1';
+ $alt = htmlspecialchars( wfMsg( 'ascending_abbrev' ) );
+ }
+ $image = htmlspecialchars( "$wgStylePath/common/images/$image" );
+ $link = $this->makeLink(
+ "<img width=\"12\" height=\"12\" alt=\"$alt\" src=\"$image\" />" .
+ htmlspecialchars( $name ), $query );
+ $s .= "<th class=\"TablePager_sort\">$link</th>\n";
+ } else {
+ $s .= '<th>' . $this->makeLink( htmlspecialchars( $name ), $query ) . "</th>\n";
+ }
+ } else {
+ $s .= '<th>' . htmlspecialchars( $name ) . "</th>\n";
+ }
}
- if ( $this->mIsLast ) {
- $nextText = wfMsgHtml( 'nextn', $this->mLimit);
- $earliestText = wfMsgHtml( 'histfirst' );
- } else {
- $nextText = $this->makeLink( wfMsgHtml( 'nextn', $this->mLimit ),
- array( 'offset' => $this->mLastShown, 'limit' => $urlLimit ) );
- $earliestText = $this->makeLink( wfMsgHtml( 'histfirst' ),
- array( 'dir' => 'prev', 'limit' => $urlLimit ) );
+ $s .= "</tr></thead><tbody>\n";
+ return $s;
+ }
+
+ function getEndBody() {
+ return '</tbody></table>';
+ }
+
+ function getEmptyBody() {
+ $colspan = count( $this->getFieldNames() );
+ $msgEmpty = wfMsgHtml( 'table_pager_empty' );
+ return "<tr><td colspan=\"$colspan\">$msgEmpty</td></tr>\n";
+ }
+
+ function formatRow( $row ) {
+ $s = "<tr>\n";
+ $fieldNames = $this->getFieldNames();
+ $this->mCurrentRow = $row; # In case formatValue needs to know
+ foreach ( $fieldNames as $field => $name ) {
+ $value = isset( $row->$field ) ? $row->$field : null;
+ $formatted = strval( $this->formatValue( $field, $value ) );
+ if ( $formatted == '' ) {
+ $formatted = ' ';
+ }
+ $s .= "<td>$formatted</td>\n";
}
- $limits = '';
+ $s .= "</tr>\n";
+ return $s;
+ }
+
+ function getIndexField() {
+ return $this->mSort;
+ }
+
+ /**
+ * A navigation bar with images
+ */
+ function getNavigationBar() {
+ global $wgStylePath;
+ $path = "$wgStylePath/common/images";
+ $labels = array(
+ 'first' => 'table_pager_first',
+ 'prev' => 'table_pager_prev',
+ 'next' => 'table_pager_next',
+ 'last' => 'table_pager_last',
+ );
+ $images = array(
+ 'first' => 'arrow_first_25.png',
+ 'prev' => 'arrow_left_25.png',
+ 'next' => 'arrow_right_25.png',
+ 'last' => 'arrow_last_25.png',
+ );
+ $disabledImages = array(
+ 'first' => 'arrow_disabled_first_25.png',
+ 'prev' => 'arrow_disabled_left_25.png',
+ 'next' => 'arrow_disabled_right_25.png',
+ 'last' => 'arrow_disabled_last_25.png',
+ );
+
+ $linkTexts = array();
+ $disabledTexts = array();
+ foreach ( $labels as $type => $label ) {
+ $msgLabel = wfMsgHtml( $label );
+ $linkTexts[$type] = "<img src=\"$path/{$images[$type]}\" alt=\"$msgLabel\"/><br/>$msgLabel";
+ $disabledTexts[$type] = "<img src=\"$path/{$disabledImages[$type]}\" alt=\"$msgLabel\"/><br/>$msgLabel";
+ }
+ $links = $this->getPagingLinks( $linkTexts, $disabledTexts );
+
+ $s = '<table class="TablePager_nav" align="center" cellpadding="3"><tr>';
+ $cellAttrs = 'valign="top" align="center" width="' . 100 / count( $links ) . '%"';
+ foreach ( $labels as $type => $label ) {
+ $s .= "<td $cellAttrs>{$links[$type]}</td>\n";
+ }
+ $s .= '</tr></table>';
+ return $s;
+ }
+
+ /**
+ * Get a <select> element which has options for each of the allowed limits
+ */
+ function getLimitSelect() {
+ global $wgLang;
+ $s = "<select name=\"limit\">";
foreach ( $this->mLimitsShown as $limit ) {
- if ( $limits !== '' ) {
- $limits .= ' | ';
- }
- if ( $this->mIsBackwards ) {
- $offset = $this->mPastTheEndIndex;
- } else {
- $offset = $this->mOffset;
- }
- $limits .= $this->makeLink( $wgLang->formatNum($limit),
- array('offset' => $offset, 'limit' => $limit ) );
+ $selected = $limit == $this->mLimit ? 'selected="selected"' : '';
+ $formattedLimit = $wgLang->formatNum( $limit );
+ $s .= "<option value=\"$limit\" $selected>$formattedLimit</option>\n";
+ }
+ $s .= "</select>";
+ return $s;
+ }
+ /**
+ * Get <input type="hidden"> elements for use in a method="get" form.
+ * Resubmits all defined elements of the $_GET array, except for a
+ * blacklist, passed in the $blacklist parameter.
+ */
+ function getHiddenFields( $blacklist = array() ) {
+ $blacklist = (array)$blacklist;
+ $query = $_GET;
+ foreach ( $blacklist as $name ) {
+ unset( $query[$name] );
}
-
- $this->mNavigationBar = "($latestText | $earliestText) " . wfMsgHtml("viewprevnext", $prevText, $nextText, $limits);
- return $this->mNavigationBar;
+ $s = '';
+ foreach ( $query as $name => $value ) {
+ $encName = htmlspecialchars( $name );
+ $encValue = htmlspecialchars( $value );
+ $s .= "<input type=\"hidden\" name=\"$encName\" value=\"$encValue\"/>\n";
+ }
+ return $s;
}
-}
+ /**
+ * Get a form containing a limit selection dropdown
+ */
+ function getLimitForm() {
+ # Make the select with some explanatory text
+ $url = $this->getTitle()->escapeLocalURL();
+ $msgSubmit = wfMsgHtml( 'table_pager_limit_submit' );
+ return
+ "<form method=\"get\" action=\"$url\">" .
+ wfMsgHtml( 'table_pager_limit', $this->getLimitSelect() ) .
+ "\n<input type=\"submit\" value=\"$msgSubmit\"/>\n" .
+ $this->getHiddenFields( 'limit' ) .
+ "</form>\n";
+ }
+
+ /**
+ * Return true if the named field should be sortable by the UI, false otherwise
+ * @param string $field
+ */
+ abstract function isFieldSortable( $field );
+
+ /**
+ * Format a table cell. The return value should be HTML, but use an empty string
+ * not for empty cells. Do not include the <td> and </td>.
+ *
+ * @param string $name The database field name
+ * @param string $value The value retrieved from the database
+ *
+ * The current result row is available as $this->mCurrentRow, in case you need
+ * more context.
+ */
+ abstract function formatValue( $name, $value );
+
+ /**
+ * The database field name used as a default sort order
+ */
+ abstract function getDefaultSort();
+
+ /**
+ * An array mapping database field names to a textual description of the field
+ * name, for use in the table header. The description should be plain text, it
+ * will be HTML-escaped later.
+ */
+ abstract function getFieldNames();
+}
?>
function wfSpecialImagelist() {
global $wgUser, $wgOut, $wgLang, $wgContLang, $wgRequest, $wgMiserMode;
- $sort = $wgRequest->getVal( 'sort' );
- $wpIlMatch = $wgRequest->getText( 'wpIlMatch' );
- $dbr =& wfGetDB( DB_SLAVE );
- $image = $dbr->tableName( 'image' );
- $sql = "SELECT img_size,img_name,img_user,img_user_text," .
- "img_description,img_timestamp FROM $image";
-
- if ( !$wgMiserMode && !empty( $wpIlMatch ) ) {
- $nt = Title::newFromUrl( $wpIlMatch );
- if($nt ) {
- $m = $dbr->strencode( strtolower( $nt->getDBkey() ) );
- $m = str_replace( "%", "\\%", $m );
- $m = str_replace( "_", "\\_", $m );
- $sql .= " WHERE LCASE(img_name) LIKE '%{$m}%'";
+ $pager = new ImageListPager;
+
+ $limit = $pager->getForm();
+ $body = $pager->getBody();
+ $nav = $pager->getNavigationBar();
+ $wgOut->addHTML( "
+ $limit
+ <br/>
+ $body
+ $nav" );
+}
+
+class ImageListPager extends TablePager {
+ var $mFieldNames = null;
+ var $mMessages = array();
+ var $mQueryConds = array();
+
+ function __construct() {
+ global $wgRequest, $wgMiserMode;
+ if ( $wgRequest->getText( 'sort', 'img_date' ) == 'img_date' ) {
+ $this->mDefaultDirection = true;
+ } else {
+ $this->mDefaultDirection = false;
+ }
+ $search = $wgRequest->getText( 'ilsearch' );
+ if ( $search != '' && !$wgMiserMode ) {
+ $nt = Title::newFromUrl( $search );
+ if( $nt ) {
+ $dbr =& wfGetDB( DB_SLAVE );
+ $m = $dbr->strencode( strtolower( $nt->getDBkey() ) );
+ $m = str_replace( "%", "\\%", $m );
+ $m = str_replace( "_", "\\_", $m );
+ $this->mQueryConds = array( "LCASE(img_name) LIKE '%{$m}%'" );
+ }
}
- }
- if ( "bysize" == $sort ) {
- $sql .= " ORDER BY img_size DESC";
- } else if ( "byname" == $sort ) {
- $sql .= " ORDER BY img_name";
- } else {
- $sort = "bydate";
- $sql .= " ORDER BY img_timestamp DESC";
+ parent::__construct();
}
- list( $limit, $offset ) = wfCheckLimits( 50 );
- $lt = $wgLang->formatNum( "${limit}" );
- $sql .= " LIMIT {$limit}";
-
- $wgOut->addWikiText( wfMsg( 'imglegend' ) );
- $wgOut->addHTML( wfMsgExt( 'imagelisttext', array('parse'), $lt, wfMsg( $sort ) ) );
-
- $sk = $wgUser->getSkin();
- $titleObj = Title::makeTitle( NS_SPECIAL, "Imagelist" );
- $action = $titleObj->escapeLocalURL( "sort={$sort}&limit={$limit}" );
-
- if ( !$wgMiserMode ) {
- $wgOut->addHTML( "<form id=\"imagesearch\" method=\"post\" action=\"" .
- "{$action}\">" .
- wfElement( 'input',
- array(
- 'type' => 'text',
- 'size' => '20',
- 'name' => 'wpIlMatch',
- 'value' => $wpIlMatch, )) .
- wfElement( 'input',
- array(
- 'type' => 'submit',
- 'name' => 'wpIlSubmit',
- 'value' => wfMsg( 'ilsubmit'), )) .
- '</form>' );
+ function getFieldNames() {
+ if ( !$this->mFieldNames ) {
+ $this->mFieldNames = array(
+ 'links' => '',
+ 'img_timestamp' => wfMsg( 'imagelist_date' ),
+ 'img_name' => wfMsg( 'imagelist_name' ),
+ 'img_user_text' => wfMsg( 'imagelist_user' ),
+ 'img_size' => wfMsg( 'imagelist_size' ),
+ 'img_description' => wfMsg( 'imagelist_description' ),
+ );
+ }
+ return $this->mFieldNames;
}
- $here = Title::makeTitle( NS_SPECIAL, 'Imagelist' );
+ function isFieldSortable( $field ) {
+ static $sortable = array( 'img_timestamp', 'img_name', 'img_size' );
+ return in_array( $field, $sortable );
+ }
- foreach ( array( 'byname', 'bysize', 'bydate') as $sorttype ) {
- $urls = null;
- foreach ( array( 50, 100, 250, 500 ) as $num ) {
- $urls[] = $sk->makeKnownLinkObj( $here, $wgLang->formatNum( $num ),
- "sort={$sorttype}&limit={$num}&wpIlMatch=" . urlencode( $wpIlMatch ) );
- }
- $sortlinks[] = wfMsgExt(
- 'showlast',
- array( 'parseinline', 'replaceafter' ),
- implode($urls, ' | '),
- wfMsgExt( $sorttype, array('escape') )
+ function getQueryInfo() {
+ $fields = $this->getFieldNames();
+ unset( $fields['links'] );
+ $fields = array_keys( $fields );
+ $fields[] = 'img_user';
+ return array(
+ 'tables' => 'image',
+ 'fields' => $fields,
+ 'conds' => $this->mQueryConds
);
}
- $wgOut->addHTML( implode( $sortlinks, "<br />\n") . "\n\n<hr />" );
- // lines
- $wgOut->addHTML( '<p>' );
- $res = $dbr->query( $sql, "wfSpecialImagelist" );
+ function getDefaultSort() {
+ return 'img_timestamp';
+ }
- while ( $s = $dbr->fetchObject( $res ) ) {
- $name = $s->img_name;
- $ut = $s->img_user_text;
- if ( 0 == $s->img_user ) {
- $ul = $ut;
- } else {
- $ul = $sk->makeLinkObj( Title::makeTitle( NS_USER, $ut ), $ut );
+ function getStartBody() {
+ # Do a link batch query for user pages
+ if ( $this->mResult->numRows() ) {
+ $lb = new LinkBatch;
+ $this->mResult->seek( 0 );
+ while ( $row = $this->mResult->fetchObject() ) {
+ if ( $row->img_user ) {
+ $lb->add( NS_USER, str_replace( ' ', '_', $row->img_user_text ) );
+ }
+ }
+ $lb->execute();
}
- $dirmark = $wgContLang->getDirMark(); // to keep text in correct direction
-
- $ilink = "<a href=\"" . htmlspecialchars( Image::imageUrl( $name ) ) .
- "\">" . strtr(htmlspecialchars( $name ), '_', ' ') . "</a>";
-
- $nb = wfMsgExt( 'nbytes', array( 'parsemag', 'escape'),
- $wgLang->formatNum( $s->img_size ) );
-
- $desc = $sk->makeKnownLinkObj( Title::makeTitle( NS_IMAGE, $name ),
- wfMsg( 'imgdesc' ) );
+ # Cache messages used in each row
+ $this->mMessages['imgdesc'] = wfMsgHtml( 'imgdesc' );
+ $this->mMessages['imgfile'] = wfMsgHtml( 'imgfile' );
+
+ return parent::getStartBody();
+ }
- $date = $wgLang->timeanddate( $s->img_timestamp, true );
- $comment = $sk->commentBlock( $s->img_description );
+ function formatValue( $field, $value ) {
+ global $wgLang;
+ switch ( $field ) {
+ case 'links':
+ $name = $this->mCurrentRow->img_name;
+ $ilink = "<a href=\"" . htmlspecialchars( Image::imageUrl( $name ) ) .
+ "\">" . $this->mMessages['imgfile'] . "</a>";
+ $desc = $this->getSkin()->makeKnownLinkObj( Title::makeTitle( NS_IMAGE, $name ),
+ $this->mMessages['imgdesc'] );
+ return "$desc | $ilink";
+ case 'img_timestamp':
+ return $wgLang->timeanddate( $value, true );
+ case 'img_name':
+ return htmlspecialchars( $value );
+ case 'img_user_text':
+ if ( $this->mCurrentRow->img_user ) {
+ $link = $this->getSkin()->makeLinkObj( Title::makeTitle( NS_USER, $value ),
+ htmlspecialchars( $value ) );
+ } else {
+ $link = htmlspecialchars( $value );
+ }
+ return $link;
+ case 'img_size':
+ return $wgLang->formatNum( $value );
+ case 'img_description':
+ return $this->getSkin()->commentBlock( $value );
+ }
+ }
- $l = "({$desc}) {$dirmark}{$ilink} . . {$dirmark}{$nb} . . {$dirmark}{$ul}".
- " . . {$dirmark}{$date} . . {$dirmark}{$comment}<br />\n";
- $wgOut->addHTML( $l );
+ function getForm() {
+ global $wgRequest, $wgMiserMode;
+ $url = $this->getTitle()->escapeLocalURL();
+ $msgSubmit = wfMsgHtml( 'table_pager_limit_submit' );
+ $msgSearch = wfMsgHtml( 'imagelist_search_for' );
+ $search = $wgRequest->getText( 'ilsearch' );
+ $encSearch = htmlspecialchars( $search );
+ $s = "<form method=\"get\" action=\"$url\">\n" .
+ wfMsgHtml( 'table_pager_limit', $this->getLimitSelect() );
+ if ( !$wgMiserMode ) {
+ $s .= "<br/>\n" . $msgSearch .
+ " <input type=\"text\" size=\"20\" name=\"ilsearch\" value=\"$encSearch\"/><br/>\n";
+ }
+ $s .= " <input type=\"submit\" value=\"$msgSubmit\"/>\n" .
+ $this->getHiddenFields( array( 'limit', 'ilsearch' ) ) .
+ "</form>\n";
+ return $s;
}
- $dbr->freeResult( $res );
- $wgOut->addHTML( '</p>' );
}
?>
dépôts / lhc / web / wiklou.git / commitdiff