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<?php
/**
* Result printer that prints query results as a valuerank.
* In other words, it prints a list of all occuring values, with duplicates removed,
* together with their occurrence count.
*
* Build out of Tag Cloud Format by Jeroen De Dauw < jeroendedauw@gmail.com >
*
* For example, this result set: foo bar baz foo bar bar ohi
* Will be turned into
* * bar (3)
* * foo (2)
* * baz (1)
* * ohi (1)
*
* @since 1.7
*
* @licence GNU GPL v2
* @author DaSch < dasch@daschmedia.de >
* @author mwjames
*/
class SRFValueRank extends SMWResultPrinter {
/**
* @var array
*/
protected $tagsHtml = [];
/**
* @see SMWResultPrinter::getName
*
* @return string
*/
public function getName() {
return wfMessage( 'srf_printername_valuerank' )->text();
}
/**
* @see SMWResultPrinter::getResultText
*
* @since 1.7
*
* @param SMWQueryResult $results
* @param $outputMode
*
* @return string
*/
public function getResultText( SMWQueryResult $results, $outputMode ) {
// Template support
$this->hasTemplates = $this->params['template'] !== '';
// Prioritize HTML setting
$this->isHTML = $this->params['template'] === '';
$outputMode = SMW_OUTPUT_HTML;
return $this->getFormatOutput( $this->getValueRank( $this->getResultValues( $results, $outputMode ) ) );
}
/**
* Returns an array with the tags (keys) and the number of times they occur (values).
*
* @since 1.7
*
* @param SMWQueryResult $results
* @param $outputMode
*
* @return array
*/
protected function getResultValues( SMWQueryResult $results, $outputMode ) {
$tags = [];
/**
* @var $row SMWResultArray Objects (pages)
* @var $dataValue SMWDataValue
*
* @return array
*/
while ( $row = $results->getNext() ) {
// SMWResultArray for a sinlge property
for ( $i = 0, $n = count( $row ); $i < $n; $i++ ) {
while ( ( $dataValue = $row[$i]->getNextDataValue() ) !== false ) {
$isSubject = $row[$i]->getPrintRequest()->getMode() == SMWPrintRequest::PRINT_THIS;
// If the main object should not be included, skip it.
if ( $i == 0 && !$this->params['includesubject'] && $isSubject ) {
continue;
}
// Get the HTML for the tag content. Pages are linked, other stuff is just plaintext.
if ( $dataValue->getTypeID() == '_wpg' ) {
$value = $dataValue->getTitle()->getText();
$html = $dataValue->getLongText( $outputMode, $this->getLinker( $isSubject ) );
} else {
$html = $dataValue->getShortText( $outputMode, $this->getLinker( false ) );
$value = $html;
}
if ( !array_key_exists( $value, $tags ) ) {
$tags[$value] = 0;
$this->tagsHtml[$value] = $html; // Store the HTML separetely, so sorting can be done easily.
}
$tags[$value]++;
}
}
}
foreach ( $tags as $name => $count ) {
if ( $count < $this->params['min'] ) {
unset( $tags[$name] );
}
}
return $tags;
}
/**
* Determine ranks
*
* @since 1.7
*
* @param array $tags
*
* @return array
*/
protected function getValueRank( array $tags ) {
if ( count( $tags ) == 0 ) {
return $tags;
}
arsort( $tags, SORT_NUMERIC );
if ( count( $tags ) > $this->params['maxtags'] ) {
$tags = array_slice( $tags, 0, $this->params['maxtags'], true );
}
return $tags;
}
/**
* Format the output representation
*
* @since 1.8
*
* @param array $tags
*
* @return string
*/
protected function getFormatOutput( array $tags ) {
$htmlTags = [];
if ( $this->params['introtemplate'] !== '' && $this->params['template'] !== '' ) {
$htmlTags[] = "{{" . $this->params['introtemplate'] . "}}";
}
foreach ( $tags as $name => $size ) {
if ( $this->params['template'] !== '' ) {
$htmlTags[] = $this->addTemplateOutput( $name, $size, $rownum );
} else {
$htmlTags[] = Html::rawElement(
( $this->params['liststyle'] === 'none' ? 'span' : 'li' ),
[ 'style' => "font-size:$size" ],
$this->tagsHtml[$name] . ' (' . $size . ')'
);
}
}
if ( $this->params['outrotemplate'] !== '' && $this->params['template'] !== '' ) {
$htmlTags[] = "{{" . $this->params['outrotemplate'] . "}}";
}
return Html::rawElement(
( $this->params['liststyle'] === 'none' ? 'div' : $this->params['liststyle'] ),
[ 'class' => $this->params['class'] ],
implode( '', $htmlTags )
);
}
/**
* Create a template output
*
* @since 1.8
*
* @param string $name
* @param integer $rank
* @param integer $rownum
*
* @return string
*/
protected function addTemplateOutput( $name, $rank, &$rownum ) {
$rownum++;
$wikitext = $this->params['userparam'] ? "|userparam=" . $this->params['userparam'] : '';
$wikitext .= "|" . $name;
$wikitext .= "|rank=" . $rank;
$wikitext .= "|#=$rownum";
return '{{' . trim( $this->params['template'] ) . $wikitext . '}}';
}
/**
* @see SMWResultPrinter::getParamDefinitions
*
* @since 1.8
*
* @param $definitions array of IParamDefinition
*
* @return array of IParamDefinition|array
*/
public function getParamDefinitions( array $definitions ) {
$params = parent::getParamDefinitions( $definitions );
$params['includesubject'] = [
'type' => 'boolean',
'default' => false,
'message' => 'srf_paramdesc_includesubject',
];
$params['min'] = [
'type' => 'integer',
'default' => 1,
'message' => 'srf_paramdesc_mincount',
];
$params['maxtags'] = [
'type' => 'integer',
'default' => 1000,
'message' => 'srf_paramdesc_maxtags',
];
$params['template'] = [
'message' => 'srf-paramdesc-template',
'default' => '',
];
$params['userparam'] = [
'message' => 'srf-paramdesc-userparam',
'default' => '',
];
$params['introtemplate'] = [
'message' => 'smw-paramdesc-introtemplate',
'default' => '',
];
$params['outrotemplate'] = [
'message' => 'smw-paramdesc-outrotemplate',
'default' => '',
];
$params['liststyle'] = [
'message' => 'srf-paramdesc-liststyle',
'default' => 'ul',
'values' => [ 'ul', 'ol', 'none' ],
];
$params['class'] = [
'message' => 'srf-paramdesc-class',
'default' => '',
];
return $params;
}
}
|
