125 lines
3.5 KiB
PHP
125 lines
3.5 KiB
PHP
<?php
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if( !defined( "DATALIFEENGINE" ) ) die( "Hacking attempt!" );
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class Navigation {
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var $URL = "";
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var $Page = "";
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var $Total = "";
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var $Tpl = "";
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var $Compile = "content";
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// Îòäà¸ò ñãåíåðèðîâàííóþ ññûëêó èëè Url ïî íåîáõîäèìîñòè
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function CNPage( $page, $title = "", $return = "" ){
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$link = str_replace( "{page}", $page, $this->URL );
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if( $return == "url" ) return $link;
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if( $title ) $page = $title;
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return "<a href=\"{$link}\">{$page}</a> ";
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}
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// Ãåíåðèðóåò ëèñò ññûëîê
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function LPage( $start, $end ){
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while( $start < $end )
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{
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if( $start == $this->Page )
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$navigation .= "<span>".$start."</span>\n";
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else
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$navigation .= $this->CNPage( $start );
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$start++;
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}
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return $navigation;
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}
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// Ôîðìèðîâàíèå íàâèãàöèè ïðîèñõîäèò â ýòîé ôóíêöèè
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function BuildNavigation(){
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global $tpl;
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// Åñëè íîëü ñòðàíèö, òî íàâèãàöèþ íå ôîðìèðóåì
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if( $this->Total < 2 ) return;
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// Îò÷èùàåì ñòàðóþ ñãåíåðèðîâàííóþ íàâèãàöèþ
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//$tpl->result[ $this->Compile ] = "";
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// ×òîáû íå áûëî íåäîðàçóìåíèé
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if( $this->Page < 1 ) $this->Page = 1;
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if( $this->Page > $this->Total ) $this->Page = $this->Total;
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$first = $this->Page - 4; // Ñêîëüêî ñòðàíèö âûâîäèòñÿ ñëåâà îò àêòèâíîé
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$last = $this->Page + 5; // Ñêîëüêî ñòðàíèö âûâîäèòñÿ ñïðàâà îò àêòèâíîé
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$PPage = $this->CNPage( $this->Page - 1 , "", "url" ); // Ïðåäûäóùàÿ ñòðàíèöà
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$NPage = $this->CNPage( $this->Page + 1 , "", "url" ); // Ñëåäóþùàÿ ñòðàíèöà
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$PageMin = 8; // Ìèíèìàëüíî çíà÷åíèå äëÿ íà÷àëà ïàãèíàöèè
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$PageMax = $this->Total - 8; // Ìàêñèìàëüíî çíà÷åíèå äëÿ íà÷àëà ïàãèíàöèè
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$divider = "... "; // Íà ÷òî çàìåíÿåì ïðîáåëû
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// Ïîäãðóçêà øàáëîíà
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$tpl->load_template( $this->Tpl );
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// Ïðåäûäóùàÿ ñòðàíèöà
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if( $this->Page > 1 )
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$tpl->set_block( "'\[prev-link\](.*?)\[/prev-link\]'si", "<a href=\"{$PPage}\">\\1</a>" );
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else
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$tpl->set_block( "'\[prev-link\](.*?)\[/prev-link\]'si", "<span>\\1</span>" );
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// Ñëóäåþùàÿ ñòðàíèöà
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if( $this->Page < $this->Total )
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$tpl->set_block( "'\[next-link\](.*?)\[/next-link\]'si", "<a href=\"{$NPage}\">\\1</a>" );
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else
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$tpl->set_block( "'\[next-link\](.*?)\[/next-link\]'si", "<span>\\1</span>" );
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// Åñëè ñòðàíèö ìåíüøå ÷åì 10
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if( $this->Total < 10 )
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{
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$navigation = $this->LPage( 1, $this->Total + 1 );
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$navigation = $navigation;
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}
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else
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{
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// Ïî ñåðåäèíå
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if( ( $this->Page >= $PageMin - 2 ) and ( $this->Page <= $PageMax + 2 ) )
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{
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$navigation = $this->LPage( $first, $last );
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$navigation = $this->CNPage( "1" ).$divider.$navigation.$divider.$this->CNPage( $this->Total );
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}
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// Åñëè ñòðàíèöà íå áîëüøå 8 - îé
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elseif( $this->Page < $PageMin )
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{
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$navigation = $this->LPage( 1, $PageMin + 1 );
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$navigation = $navigation.$divider.$this->CNPage( $this->Total );
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}
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// Åñëè ñòðàíèöà áîëüøå ïðåä 8 - ìè ïîñëåäíåé
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elseif( $this->Page > $PageMax )
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{
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$navigation = $this->LPage( $PageMax, $this->Total + 1 );
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$navigation = $this->CNPage( "1" ).$divider.$navigation;
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}
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}
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// Íàçíà÷åíèå òåãîâ äëÿ øàáëîíà
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$tpl->set( "{pages}", $navigation );
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$tpl->set( "{page}", $this->Page );
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$tpl->set( "{count_page}", $this->Total );
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if( $this->Total < 2 )
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{
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$tpl->set_block( "'\[page\](.*?)\[/page\]'si", "" );
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}
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else
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{
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$tpl->set( "[page]", "" );
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$tpl->set( "[/page]", "" );
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}
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// Ôîðìèðîâàíèå øàáëîíà
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$tpl->compile( $this->Compile );
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// Î÷èñòêà êëàññà øàáëîíîâ îò íàâèãàöèè
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$tpl->clear();
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// Î÷èñòêà íàâèãàöèè
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unset( $navigation );
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}
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}
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?>
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