X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FPager.php;h=bf613fdcdc4fa733e2169d95fecd00586459b738;hb=6111daf9ef32bd56cd3e56c97b5b12626d568837;hp=8faec533224f2978458f6efdbedc035d7e4757db;hpb=1093d3976835ee7a12372a892955a3e0848e71b0;p=lhc%2Fweb%2Fwiklou.git diff --git a/includes/Pager.php b/includes/Pager.php index 8faec53322..bf613fdcdc 100644 --- a/includes/Pager.php +++ b/includes/Pager.php @@ -50,7 +50,7 @@ interface Pager { * last page depending on the dir parameter. * * Subclassing the pager to implement concrete functionality should be fairly - * simple, please see the examples in PageHistory.php and + * simple, please see the examples in HistoryPage.php and * SpecialIpblocklist.php. You just need to override formatRow(), * getQueryInfo() and getIndexField(). Don't forget to call the parent * constructor if you override it. @@ -67,11 +67,12 @@ abstract class IndexPager implements Pager { public $mPastTheEndRow; /** - * The index to actually be used for ordering. This is a single string e- - * ven if multiple orderings are supported. + * The index to actually be used for ordering. This is a single string + * even if multiple orderings are supported. */ protected $mIndexField; - /** For pages that support multiple types of ordering, which one to use. */ + /** For pages that support multiple types of ordering, which one to use. + */ protected $mOrderType; /** * $mDefaultDirection gives the direction to use when sorting results: @@ -87,6 +88,9 @@ abstract class IndexPager implements Pager { public $mDefaultDirection; public $mIsBackwards; + /** True if the current result set is the first one */ + public $mIsFirst; + /** * Result object for the query. Warning: seek before use. */ @@ -145,7 +149,11 @@ abstract class IndexPager implements Pager { # Plus an extra row so that we can tell the "next" link should be shown $queryLimit = $this->mLimit + 1; - $this->mResult = $this->reallyDoQuery( $this->mOffset, $queryLimit, $descending ); + $this->mResult = $this->reallyDoQuery( + $this->mOffset, + $queryLimit, + $descending + ); $this->extractResultInfo( $this->mOffset, $queryLimit, $this->mResult ); $this->mQueryDone = true; @@ -154,14 +162,14 @@ abstract class IndexPager implements Pager { wfProfileOut( $fname ); } - + /** - * Return the result wrapper. + * @return ResultWrapper The result wrapper. */ function getResult() { return $this->mResult; } - + /** * Set the offset from an other source than $wgRequest */ @@ -178,12 +186,20 @@ abstract class IndexPager implements Pager { /** * Extract some useful data from the result object for use by * the navigation bar, put it into $this + * + * @param $offset String: index offset, inclusive + * @param $limit Integer: exact query limit + * @param $res ResultWrapper */ function extractResultInfo( $offset, $limit, ResultWrapper $res ) { $numRows = $res->numRows(); if ( $numRows ) { + # Remove any table prefix from index field + $parts = explode( '.', $this->mIndexField ); + $indexColumn = end( $parts ); + $row = $res->fetchRow(); - $firstIndex = $row[$this->mIndexField]; + $firstIndex = $row[$indexColumn]; # Discard the extra result row if there is one if ( $numRows > $this->mLimit && $numRows > 1 ) { @@ -193,7 +209,7 @@ abstract class IndexPager implements Pager { $this->mPastTheEndIndex = $this->mPastTheEndRow->$indexField; $res->seek( $numRows - 2 ); $row = $res->fetchRow(); - $lastIndex = $row[$this->mIndexField]; + $lastIndex = $row[$indexColumn]; } else { $this->mPastTheEndRow = null; # Setting indexes to an empty string means that they will be @@ -203,7 +219,7 @@ abstract class IndexPager implements Pager { $this->mPastTheEndIndex = ''; $res->seek( $numRows - 1 ); $row = $res->fetchRow(); - $lastIndex = $row[$this->mIndexField]; + $lastIndex = $row[$indexColumn]; } } else { $firstIndex = ''; @@ -225,17 +241,26 @@ abstract class IndexPager implements Pager { } } + /** + * Get some text to go in brackets in the "function name" part of the SQL comment + * + * @return String + */ + function getSqlComment() { + return get_class( $this ); + } + /** * Do a query with specified parameters, rather than using the object * context * - * @param string $offset Index offset, inclusive - * @param integer $limit Exact query limit - * @param boolean $descending Query direction, false for ascending, true for descending + * @param $offset String: index offset, inclusive + * @param $limit Integer: exact query limit + * @param $descending Boolean: query direction, false for ascending, true for descending * @return ResultWrapper */ function reallyDoQuery( $offset, $limit, $descending ) { - $fname = __METHOD__ . ' (' . get_class( $this ) . ')'; + $fname = __METHOD__ . ' (' . $this->getSqlComment() . ')'; $info = $this->getQueryInfo(); $tables = $info['tables']; $fields = $info['fields']; @@ -260,13 +285,15 @@ abstract class IndexPager implements Pager { /** * Pre-process results; useful for performing batch existence checks, etc. * - * @param ResultWrapper $result Result wrapper + * @param $result ResultWrapper */ protected function preprocessResults( $result ) {} /** * Get the formatted result list. Calls getStartBody(), formatRow() and * getEndBody(), concatenates the results and returns them. + * + * @return String */ function getBody() { if ( !$this->mQueryDone ) { @@ -299,6 +326,11 @@ abstract class IndexPager implements Pager { /** * Make a self-link + * + * @param $text String: text displayed on the link + * @param $query Array: associative array of paramter to be in the query string + * @param $type String: value of the "rel" attribute + * @return String: HTML fragment */ function makeLink($text, $query = null, $type=null) { if ( $query === null ) { @@ -314,13 +346,20 @@ abstract class IndexPager implements Pager { if( $type ) { $attrs['class'] = "mw-{$type}link"; } - return $this->getSkin()->link( $this->getTitle(), $text, - $attrs, $query + $this->getDefaultQuery(), array('noclasses','known') ); + return $this->getSkin()->link( + $this->getTitle(), + $text, + $attrs, + $query + $this->getDefaultQuery(), + array( 'noclasses', 'known' ) + ); } /** * Hook into getBody(), allows text to be inserted at the start. This * will be called even if there are no rows in the result set. + * + * @return String */ function getStartBody() { return ''; @@ -328,6 +367,8 @@ abstract class IndexPager implements Pager { /** * Hook into getBody() for the end of the list + * + * @return String */ function getEndBody() { return ''; @@ -336,6 +377,8 @@ abstract class IndexPager implements Pager { /** * Hook into getBody(), for the bit between the start and the * end when there are no rows + * + * @return String */ function getEmptyBody() { return ''; @@ -344,6 +387,8 @@ abstract class IndexPager implements Pager { /** * Title used for self-links. Override this if you want to be able to * use a title other than $wgTitle + * + * @return Title object */ function getTitle() { return $GLOBALS['wgTitle']; @@ -351,6 +396,8 @@ abstract class IndexPager implements Pager { /** * Get the current skin. This can be overridden if necessary. + * + * @return Skin object */ function getSkin() { if ( !isset( $this->mSkin ) ) { @@ -364,6 +411,8 @@ abstract class IndexPager implements Pager { * Get an array of query parameters that should be put into self-links. * By default, all parameters passed in the URL are used, except for a * short blacklist. + * + * @return Associative array */ function getDefaultQuery() { if ( !isset( $this->mDefaultQuery ) ) { @@ -381,6 +430,8 @@ abstract class IndexPager implements Pager { /** * Get the number of rows in the result set + * + * @return Integer */ function getNumRows() { if ( !$this->mQueryDone ) { @@ -391,6 +442,8 @@ abstract class IndexPager implements Pager { /** * Get a URL query array for the prev, next, first and last links. + * + * @return Array */ function getPagingQueries() { if ( !$this->mQueryDone ) { @@ -404,7 +457,11 @@ abstract class IndexPager implements Pager { $prev = false; $first = false; } else { - $prev = array( 'dir' => 'prev', 'offset' => $this->mFirstShown, 'limit' => $urlLimit ); + $prev = array( + 'dir' => 'prev', + 'offset' => $this->mFirstShown, + 'limit' => $urlLimit + ); $first = array( 'limit' => $urlLimit ); } if ( $this->mIsLast ) { @@ -414,7 +471,25 @@ abstract class IndexPager implements Pager { $next = array( 'offset' => $this->mLastShown, 'limit' => $urlLimit ); $last = array( 'dir' => 'prev', 'limit' => $urlLimit ); } - return array( 'prev' => $prev, 'next' => $next, 'first' => $first, 'last' => $last ); + return array( + 'prev' => $prev, + 'next' => $next, + 'first' => $first, + 'last' => $last + ); + } + + /** + * Returns whether to show the "navigation bar" + * + * @return Boolean + */ + function isNavigationBarShown() { + if ( !$this->mQueryDone ) { + $this->doQuery(); + } + // Hide navigation by default if there is nothing to page + return !($this->mIsFirst && $this->mIsLast); } /** @@ -422,13 +497,19 @@ abstract class IndexPager implements Pager { * 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. + * + * @return Array */ 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], $type ); + $links[$type] = $this->makeLink( + $linkTexts[$type], + $queries[$type], + $type + ); } elseif ( isset( $disabledTexts[$type] ) ) { $links[$type] = $disabledTexts[$type]; } else { @@ -447,8 +528,11 @@ abstract class IndexPager implements Pager { $offset = $this->mOffset; } foreach ( $this->mLimitsShown as $limit ) { - $links[] = $this->makeLink( $wgLang->formatNum( $limit ), - array( 'offset' => $offset, 'limit' => $limit ), 'num' ); + $links[] = $this->makeLink( + $wgLang->formatNum( $limit ), + array( 'offset' => $offset, 'limit' => $limit ), + 'num' + ); } return $links; } @@ -457,6 +541,9 @@ abstract class IndexPager implements Pager { * Abstract formatting function. This should return an HTML string * representing the result row $row. Rows will be concatenated and * returned by getBody() + * + * @param $row Object: database row + * @return String */ abstract function formatRow( $row ); @@ -468,6 +555,9 @@ abstract class IndexPager implements Pager { * fields => Field(s) for passing to Database::select(), may be * * conds => WHERE conditions * options => option array + * join_conds => JOIN conditions + * + * @return Array */ abstract function getQueryInfo(); @@ -499,6 +589,8 @@ abstract class IndexPager implements Pager { * $this->mDefaultDirection member variable. That's the default for this * particular instantiation, which is a single value. This is the set of * all defaults for the class. + * + * @return Boolean */ protected function getDefaultDirections() { return false; } } @@ -516,14 +608,24 @@ abstract class AlphabeticPager extends IndexPager { function getNavigationBar() { global $wgLang; + if ( !$this->isNavigationBarShown() ) return ''; + if( isset( $this->mNavigationBar ) ) { return $this->mNavigationBar; } $opts = array( 'parsemag', 'escapenoentities' ); $linkTexts = array( - 'prev' => wfMsgExt( 'prevn', $opts, $wgLang->formatNum( $this->mLimit ) ), - 'next' => wfMsgExt( 'nextn', $opts, $wgLang->formatNum($this->mLimit ) ), + 'prev' => wfMsgExt( + 'prevn', + $opts, + $wgLang->formatNum( $this->mLimit ) + ), + 'next' => wfMsgExt( + 'nextn', + $opts, + $wgLang->formatNum($this->mLimit ) + ), 'first' => wfMsgExt( 'page_first', $opts ), 'last' => wfMsgExt( 'page_last', $opts ) ); @@ -533,7 +635,10 @@ abstract class AlphabeticPager extends IndexPager { $limits = $wgLang->pipeList( $limitLinks ); $this->mNavigationBar = - "(" . $wgLang->pipeList( array( $pagingLinks['first'], $pagingLinks['last'] ) ) . ") " . + "(" . $wgLang->pipeList( + array( $pagingLinks['first'], + $pagingLinks['last'] ) + ) . ") " . wfMsgHtml( 'viewprevnext', $pagingLinks['prev'], $pagingLinks['next'], $limits ); @@ -574,7 +679,8 @@ abstract class AlphabeticPager extends IndexPager { * enabling each one in getNavigationBar. The return type is an associa- * tive array whose keys must exactly match the keys of the array returned * by getIndexField(), and whose values are message keys. - * @return array + * + * @return Array */ protected function getOrderTypeMessages() { return null; @@ -597,13 +703,23 @@ abstract class ReverseChronologicalPager extends IndexPager { function getNavigationBar() { global $wgLang; + if ( !$this->isNavigationBarShown() ) return ''; + if ( isset( $this->mNavigationBar ) ) { return $this->mNavigationBar; } $nicenumber = $wgLang->formatNum( $this->mLimit ); $linkTexts = array( - 'prev' => wfMsgExt( 'pager-newer-n', array( 'parsemag' ), $nicenumber ), - 'next' => wfMsgExt( 'pager-older-n', array( 'parsemag' ), $nicenumber ), + 'prev' => wfMsgExt( + 'pager-newer-n', + array( 'parsemag', 'escape' ), + $nicenumber + ), + 'next' => wfMsgExt( + 'pager-older-n', + array( 'parsemag', 'escape' ), + $nicenumber + ), 'first' => wfMsgHtml( 'histlast' ), 'last' => wfMsgHtml( 'histfirst' ) ); @@ -612,11 +728,17 @@ abstract class ReverseChronologicalPager extends IndexPager { $limitLinks = $this->getLimitLinks(); $limits = $wgLang->pipeList( $limitLinks ); - $this->mNavigationBar = "({$pagingLinks['first']}" . wfMsgExt( 'pipe-separator' , 'escapenoentities' ) . "{$pagingLinks['last']}) " . - wfMsgHtml("viewprevnext", $pagingLinks['prev'], $pagingLinks['next'], $limits); + $this->mNavigationBar = "({$pagingLinks['first']}" . + wfMsgExt( 'pipe-separator' , 'escapenoentities' ) . + "{$pagingLinks['last']}) " . + wfMsgHTML( + 'viewprevnext', + $pagingLinks['prev'], $pagingLinks['next'], + $limits + ); return $this->mNavigationBar; } - + function getDateCond( $year, $month ) { $year = intval($year); $month = intval($month); @@ -699,7 +821,7 @@ abstract class TablePager extends IndexPager { # Make table header foreach ( $fields as $field => $name ) { if ( strval( $name ) == '' ) { - $s .= " \n"; + $s .= " \n"; } elseif ( $this->isFieldSortable( $field ) ) { $query = array( 'sort' => $field, 'limit' => $this->mLimit ); if ( $field == $this->mSort ) { @@ -745,27 +867,54 @@ abstract class TablePager extends IndexPager { } function formatRow( $row ) { - $rowClass = $this->getRowClass( $row ); - $s = "\n"; + $this->mCurrentRow = $row; # In case formatValue etc need to know + $s = Xml::openElement( 'tr', $this->getRowAttrs($row) ); $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 = ' '; + $formatted = ' '; } - $class = 'TablePager_col_' . htmlspecialchars( $field ); - $s .= "$formatted\n"; + $s .= Xml::tags( 'td', $this->getCellAttrs( $field, $value ), $formatted ); } $s .= "\n"; return $s; } - function getRowClass($row) { + /** + * Get a class name to be applied to the given row. + * + * @param $row Object: the database result row + * @return String + */ + function getRowClass( $row ) { return ''; } + /** + * Get attributes to be applied to the given row. + * + * @param $row Object: the database result row + * @return Associative array + */ + function getRowAttrs( $row ) { + return array( 'class' => $this->getRowClass( $row ) ); + } + + /** + * Get any extra attributes to be applied to the given cell. Don't + * take this as an excuse to hardcode styles; use classes and + * CSS instead. Row context is available in $this->mCurrentRow + * + * @param $field The column + * @param $value The cell contents + * @return Associative array + */ + function getCellAttrs( $field, $value ) { + return array( 'class' => 'TablePager_col_' . $field ); + } + function getIndexField() { return $this->mSort; } @@ -787,6 +936,11 @@ abstract class TablePager extends IndexPager { */ function getNavigationBar() { global $wgStylePath, $wgContLang; + + if ( !$this->isNavigationBarShown() ) { + return ''; + } + $path = "$wgStylePath/common/images"; $labels = array( 'first' => 'table_pager_first', @@ -795,24 +949,29 @@ abstract class TablePager extends IndexPager { 'last' => 'table_pager_last', ); $images = array( - 'first' => $wgContLang->isRTL() ? 'arrow_last_25.png' : 'arrow_first_25.png', - 'prev' => $wgContLang->isRTL() ? 'arrow_right_25.png' : 'arrow_left_25.png', - 'next' => $wgContLang->isRTL() ? 'arrow_left_25.png' : 'arrow_right_25.png', - 'last' => $wgContLang->isRTL() ? 'arrow_first_25.png' : 'arrow_last_25.png', + 'first' => 'arrow_first_25.png', + 'prev' => 'arrow_left_25.png', + 'next' => 'arrow_right_25.png', + 'last' => 'arrow_last_25.png', ); $disabledImages = array( - 'first' => $wgContLang->isRTL() ? 'arrow_disabled_last_25.png' : 'arrow_disabled_first_25.png', - 'prev' => $wgContLang->isRTL() ? 'arrow_disabled_right_25.png' : 'arrow_disabled_left_25.png', - 'next' => $wgContLang->isRTL() ? 'arrow_disabled_left_25.png' : 'arrow_disabled_right_25.png', - 'last' => $wgContLang->isRTL() ? 'arrow_disabled_first_25.png' : 'arrow_disabled_last_25.png', + 'first' => 'arrow_disabled_first_25.png', + 'prev' => 'arrow_disabled_left_25.png', + 'next' => 'arrow_disabled_right_25.png', + 'last' => 'arrow_disabled_last_25.png', ); + if( $wgContLang->isRTL() ) { + $keys = array_keys( $labels ); + $images = array_combine( $keys, array_reverse( $images ) ); + $disabledImages = array_combine( $keys, array_reverse( $disabledImages ) ); + } $linkTexts = array(); $disabledTexts = array(); foreach ( $labels as $type => $label ) { $msgLabel = wfMsgHtml( $label ); - $linkTexts[$type] = "\"$msgLabel\"/
$msgLabel"; - $disabledTexts[$type] = "\"$msgLabel\"/
$msgLabel"; + $linkTexts[$type] = "\"$msgLabel\"/
$msgLabel"; + $disabledTexts[$type] = "\"$msgLabel\"/
$msgLabel"; } $links = $this->getPagingLinks( $linkTexts, $disabledTexts ); @@ -828,16 +987,33 @@ abstract class TablePager extends IndexPager { /** * Get a "; - foreach ( $this->mLimitsShown as $limit ) { - $selected = $limit == $this->mLimit ? 'selected="selected"' : ''; - $formattedLimit = $wgLang->formatNum( $limit ); - $s .= "\n"; + + # Add the current limit from the query string + # to avoid that the limit is lost after clicking Go next time + if ( !in_array( $this->mLimit, $this->mLimitsShown ) ) { + $this->mLimitsShown[] = $this->mLimit; + sort( $this->mLimitsShown ); + } + $s = Html::openElement( 'select', array( 'name' => 'limit' ) ) . "\n"; + foreach ( $this->mLimitsShown as $key => $value ) { + # The pair is either $index => $limit, in which case the $value + # will be numeric, or $limit => $text, in which case the $value + # will be a string. + if( is_int( $value ) ){ + $limit = $value; + $text = $wgLang->formatNum( $limit ); + } else { + $limit = $key; + $text = $value; + } + $s .= Xml::option( $text, $limit, $limit == $this->mLimit ) . "\n"; } - $s .= ""; + $s .= Html::closeElement( 'select' ); return $s; } @@ -845,6 +1021,8 @@ abstract class TablePager extends IndexPager { * Get 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. + * + * @return String: HTML fragment */ function getHiddenFields( $blacklist = array() ) { $blacklist = (array)$blacklist; @@ -863,36 +1041,51 @@ abstract class TablePager extends IndexPager { /** * Get a form containing a limit selection dropdown + * + * @return String: HTML fragment */ function getLimitForm() { + global $wgScript; + + return Xml::openElement( + 'form', + array( + 'method' => 'get', + 'action' => $wgScript + ) ) . "\n" . $this->getLimitDropdown() . "\n"; + } + + /** + * Gets a limit selection dropdown + * + * @return string + */ + function getLimitDropdown() { # Make the select with some explanatory text - $url = $this->getTitle()->escapeLocalURL(); $msgSubmit = wfMsgHtml( 'table_pager_limit_submit' ); - return - "
" . - wfMsgHtml( 'table_pager_limit', $this->getLimitSelect() ) . + + return wfMsgHtml( 'table_pager_limit', $this->getLimitSelect() ) . "\n\n" . - $this->getHiddenFields( array('limit','title') ) . - "
\n"; + $this->getHiddenFields( array( 'limit' ) ); } /** * Return true if the named field should be sortable by the UI, false * otherwise * - * @param string $field + * @param $field String */ 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 and . + * string not   for empty cells. Do not include the and . * * The current result row is available as $this->mCurrentRow, in case you * need more context. * - * @param string $name The database field name - * @param string $value The value retrieved from the database + * @param $name String: the database field name + * @param $value String: the value retrieved from the database */ abstract function formatValue( $name, $value );