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<?php |
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namespace Ajax\semantic\widgets\datatable; |
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use Ajax\semantic\html\collections\menus\HtmlPaginationMenu; |
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class Pagination { |
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private $items_per_page; |
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private $page; |
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private $visible; |
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private $page_count; |
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private $pages_visibles; |
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private $row_count; |
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private $menu; |
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public function __construct($items_per_page=10,$pages_visibles=null,$page=1,$row_count=null){ |
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$this->items_per_page=$items_per_page; |
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$this->row_count=$row_count; |
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$this->page=$page; |
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$this->setPagesVisibles($pages_visibles); |
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$this->visible=true; |
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} |
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public function getObjects($objects){ |
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$auto=(!isset($this->row_count)); |
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$os=$objects; |
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if(!\is_array($os)){ |
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$os=[]; |
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foreach ($objects as $o){ |
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$os[]=$o; |
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} |
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} |
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$this->page_count = 0; |
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$row_count=($auto)?\sizeof($os):$this->row_count; |
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if (0 === $row_count) { |
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$this->visible=false; |
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} else { |
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$this->page_count = (int)ceil($row_count / $this->items_per_page); |
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$this->visible=$this->page_count>1; |
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if($this->page > $this->page_count+1) { |
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$this->page = 1; |
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} |
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} |
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if($auto){ |
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$offset = ($this->page - 1) * $this->items_per_page; |
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return array_slice($os, $offset,$this->items_per_page); |
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} |
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return $os; |
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} |
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public function getItemsPerPage() { |
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return $this->items_per_page; |
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} |
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public function setItemsPerPage($items_per_page) { |
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$this->items_per_page=$items_per_page; |
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return $this; |
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} |
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public function getPage() { |
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return $this->page; |
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} |
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public function setPage($page) { |
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$this->page=$page; |
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return $this; |
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} |
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public function getVisible() { |
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return $this->visible; |
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} |
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public function setVisible($visible) { |
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$this->visible=$visible; |
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return $this; |
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} |
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public function getPageCount() { |
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return $this->page_count; |
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} |
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public function getPagesNumbers(){ |
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$middle= (int)ceil(($this->pages_visibles-1)/ 2); |
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$first=$this->page-$middle; |
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if($first<1){ |
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$first=1; |
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} |
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$last=$first+$this->pages_visibles-1; |
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if($last>$this->page_count){ |
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$last=$this->page_count; |
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} |
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return \range($first, $last); |
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} |
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public function setPagesVisibles($pages_visibles) { |
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if(!isset($pages_visibles)) |
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$pages_visibles=(int)ceil($this->row_count / $this->items_per_page)+1; |
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$this->pages_visibles=$pages_visibles; |
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return $this; |
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} |
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public function generateMenu($identifier){ |
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$menu=new HtmlPaginationMenu("pagination-".$identifier,$this->getPagesNumbers()); |
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$menu->setMax($this->page_count); |
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$menu->floatRight(); |
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$menu->setActivePage($this->getPage()); |
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return $this->menu=$menu; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getMenu() { |
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return $this->menu; |
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} |
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public static function getPageOfRow($rownum,$itemsPerPage=10){ |
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$pageNum=0;$activeRow=0; |
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while($activeRow<$rownum){ |
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$activeRow+=$itemsPerPage; |
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$pageNum++; |
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} |
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return $pageNum; |
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} |
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} |
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phpMv /
phpMv-UI
