Subversion Repositories cheapmusic

<?php

/*******************************************************************************************

 Credits: dezignwork.com

 Desc:    This class will will create a pagination div with all the links, page numbers/link

 and highlighted current page. All the pagination content will be placed in a div.

 The style of the div can be changed.

 ********************************************************************************************/

class Paging {

	var $result;

	var $link_class;

	var $div_class;

	var $current_page;

	var $PAGE='Page';

	function loadPaging($result, $per_page=15){

		if(is_numeric($result)) {

		} else {

			$numRows = function_exists('mysqli_query') ? mysqli_num_rows($result) : mysql_num_rows($result);

			if(!$result or $numRows<1) { return 0; }

		}

		$this->result = $result;

		$this->per_page = $per_page;

	}

	function printPaging($scriptArgs='') {

		$tmp = '';

		if(empty($this->current_page)) {

			$this->setCurrentPage(1);

		}

		if(!is_numeric($this->result)) {

			$num_rows = function_exists('mysqli_query') ? mysqli_num_rows($this->result) : mysql_num_rows($this->result);

		} else {

			$num_rows = $this->result;

		}

		if($this->per_page==0) {

			return 0;

		}

		$pages_required = ceil($num_rows/$this->per_page);

		if(!empty($this->div_class)) { $div_class=' class="'.$this->div_class.'"'; }

		$tmp .= "<div$div_class>"; ": "; ": ";

		$page_line="";

		$start_page=$this->current_page-4;

		if($start_page<1) { $start_page=1; }

		$end_page=$this->current_page+4;

		if($end_page>$pages_required) { $end_page=$pages_required; }

		if(($end_page-$start_page)<8) {

			$diff=abs($end_page-9);

			for($i=0; $i<$diff; $i++) {

				if($end_page<$pages_required) {

					$end_page++;

				}

			}

		}

		# arrow left

		if($start_page>1) {

			if(!empty($this->action_path)) {

				$this->scriptArgs = $scriptArgs . "&pageno=1";

				$page_line .= $this->createPagingLink('«', '', '  ');

			}

		}

		# pages

		for($i=$start_page; $i<=$end_page; $i++) {

			if($i>$end_page) { break; }

			if($this->current_page!=$i) {

				if(!empty($this->action_path)) {

					$this->scriptArgs = $scriptArgs . "&pageno=$i";

					$page_line .= $this->createPagingLink($i, '', '  |  ');

				}

			} else {

				$page_line.='<b>'.$i.'</b>&nbsp; | &nbsp;';

			}

		}

		$page_line=substr($page_line,0,strlen($page_line)-15);

		# arrow right

		if($end_page<$pages_required) {

			if(!empty($this->action_path)) {

				$this->scriptArgs = $scriptArgs . "&pageno=$pages_required";

				$page_line .= $this->createPagingLink('»', '  ', '');

			}

		}

		$tmp .= $page_line;

		$tmp .= '</div><div style="clear:both;"></div>';

		return $tmp;

	}

	# func to create paging link

	function createPagingLink($linkText='', $linkBefore='', $linkAfter=''){

		if(!empty($this->link_class)) { $linkClass=' class="'.$this->link_class.'"'; }

		if ($this->scriptFunction == 'link') {

			$link = "$linkBefore <a href='$this->scriptPath$this->scriptArgs' $linkClass>$linkText</a>$linkAfter";

		} elseif($this->scriptFunction == 'scriptDoLoadPost') {

			$link = "$linkBefore<a href='javascript:void(0);' $linkClass onclick=\"scriptDoLoadPost('$this->scriptPath', '$this->scriptForm', '$this->showArea', '$this->scriptArgs')\">$linkText</a>$linkAfter";

		}else{

			$link = "$linkBefore<a href='javascript:void(0);' $linkClass onclick=\"$this->scriptFunction('$this->scriptPath', '$this->showArea', '$this->scriptArgs')\">$linkText</a>$linkAfter";

		}

		return $link;

	}

	# mutators

	function setActionPath($path) {

		$this->action_path = $path;

	}

	function setLinkClass($class) {

		$this->link_class = $class;

	}

	function setDivClass($class) {

		$this->div_class = $class;

	}

	function setPageLimit($limit) {

		$this->per_page = $limit;

	}

	function setCurrentPage($page) {

		$this->current_page = $page;

	}

	# func to print pages

	function printPages($scriptPath, $scriptForm='', $scriptfunction='scriptDoLoad', $showArea='content', $scriptArgs=''){

		$this->scriptPath = $scriptPath;

		$this->scriptFunction = $scriptfunction;

		$this->showArea = $showArea;

		$this->scriptForm = $scriptForm;

		$this->scriptArgs = $scriptArgs;

		$this->setActionPath(1);

		# determine current page number

		$pageNo = 0;

		if(isset($_POST["pageno"])){

			$pageNo = $_POST["pageno"];

		}elseif(isset($_GET["pageno"])){

			$pageNo = $_GET["pageno"];

		}

		if(!empty($pageNo)) {

			$this->start = ($pageNo - 1) * $this->per_page;

			$this->setCurrentPage($pageNo);

		} else {

			$this->setCurrentPage(1);

			$this->start = 0;

		}

		return $this->printPaging($scriptArgs);

	}

}

?>