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<?php
namespace SRF\Outline;
use SMW\Query\PrintRequest;
use SRF\Outline\OutlineTree;
use SMWDataItem as DataItem;
/**
* @license GNU GPL v2+
* @since 3.1
*
* @author mwjames
*/
class ListTreeBuilder {
/**
* @var []
*/
private $params = [];
/**
* @var Linker
*/
private $linker;
/**
* @param array $params
*/
public function __construct( array $params ) {
$this->params = $params;
}
/**
* @since 3.1
*
* @param Linker|null|false $linker
*/
public function setLinker( $linker ) {
$this->linker = $linker;
}
/**
* @since 3.1
*
* @param OutlineTree $tree
*
* @return string
*/
public function build( OutlineTree $outlineTree ) {
return $this->tree( $outlineTree );
}
private function tree( $outline_tree, $level = 0 ) {
$text = "";
if ( !is_null( $outline_tree->items ) ) {
$text .= "<ul>\n";
foreach ( $outline_tree->items as $item ) {
$text .= "<li>{$this->item($item)}</li>\n";
}
$text .= "</ul>\n";
}
if ( $level > 0 ) {
$text .= "<ul>\n";
}
$num_levels = count( $this->params['outlineproperties'] );
// set font size and weight depending on level we're at
$font_level = $level;
if ( $num_levels < 4 ) {
$font_level += ( 4 - $num_levels );
}
if ( $font_level == 0 ) {
$font_size = 'x-large';
} elseif ( $font_level == 1 ) {
$font_size = 'large';
} elseif ( $font_level == 2 ) {
$font_size = 'medium';
} else {
$font_size = 'small';
}
if ( $font_level == 3 ) {
$font_weight = 'bold';
} else {
$font_weight = 'regular';
}
foreach ( $outline_tree->tree as $key => $node ) {
$text .= "<p style=\"font-size: $font_size; font-weight: $font_weight;\">$key</p>\n";
$text .= $this->tree( $node, $level + 1 );
}
if ( $level > 0 ) {
$text .= "</ul>\n";
}
return $text;
}
private function item( $item ) {
$first_col = true;
$found_values = false; // has anything but the first column been printed?
$result = "";
foreach ( $item->row as $resultArray ) {
$printRequest = $resultArray->getPrintRequest();
$val = $printRequest->getText( SMW_OUTPUT_WIKI, null );
$first_value = true;
if ( in_array( $val, $this->params['outlineproperties'] ) ) {
continue;
}
$linker = $this->params['link'] === 'all' ? $this->linker : null;
if ( $this->params['link'] === 'subject' && $printRequest->isMode( PrintRequest::PRINT_THIS ) ) {
$linker = $this->linker;
}
while ( ( $dv = $resultArray->getNextDataValue() ) !== false ) {
if ( !$first_col && !$found_values ) { // first values after first column
$result .= ' (';
$found_values = true;
} elseif ( $found_values || !$first_value ) {
// any value after '(' or non-first values on first column
$result .= ', ';
}
if ( $first_value ) { // first value in any column, print header
$first_value = false;
if ( $this->params['showHeaders'] && ( '' != $printRequest->getLabel() ) ) {
$result .= $printRequest->getText( SMW_OUTPUT_WIKI, $linker ) . ' ';
}
}
$dataItem = $dv->getDataItem();
if ( $linker === null && $dataItem->getDIType() === DataItem::TYPE_WIKIPAGE && ( $caption = $dv->getDisplayTitle() ) !== '' ) {
$dv->setCaption( $caption );
}
$result .= $dv->getShortText( SMW_OUTPUT_WIKI, $linker );
}
$first_col = false;
}
if ( $found_values ) {
$result .= ')';
}
return $result;
}
}
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