506 lines
13 KiB
PHP
Executable File
506 lines
13 KiB
PHP
Executable File
<?php
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/**
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* The pager class file of ZenTaoPHP framework.
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*
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* The author disclaims copyright to this source code. In place of
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* a legal notice, here is a blessing:
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*
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* May you do good and not evil.
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* May you find forgiveness for yourself and forgive others.
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* May you share freely, never taking more than you give.
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*/
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/**
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* Pager class.
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*
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* @package framework
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*/
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class pager
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{
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/**
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* The default counts of per page.
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*
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* @public int
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*/
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const DEFAULT_REC_PRE_PAGE = 20;
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/**
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* The total counts.
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*
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* @var int
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* @access public
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*/
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public $recTotal;
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/**
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* Record count per page.
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*
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* @var int
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* @access public
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*/
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public $recPerPage;
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/**
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* The cookie name of recPerPage.
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*
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* @var string
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* @access public
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*/
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public $pageCookie;
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/**
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* Page count.
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*
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* @var string
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* @access public
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*/
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public $pageTotal;
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/**
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* Current page id.
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*
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* @var string
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* @access public
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*/
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public $pageID;
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/**
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* The global $app.
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*
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* @var object
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* @access private
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*/
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private $app;
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/**
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* The global $lang.
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*
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* @var object
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* @access private
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*/
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private $lang;
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/**
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* Current module name.
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*
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* @var string
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* @access private
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*/
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private $moduleName;
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/**
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* Current method.
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*
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* @var string
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* @access private
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*/
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private $methodName;
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/**
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* The params.
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*
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* @private array
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*/
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private $params;
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/**
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* The construct function.
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*
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* @param int $recTotal
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* @param int $recPerPage
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* @param int $pageID
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* @access public
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* @return void
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*/
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public function __construct($recTotal = 0, $recPerPage = 20, $pageID = 1)
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{
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$this->setApp();
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$this->setLang();
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$this->setModuleName();
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$this->setMethodName();
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$this->setRecTotal($recTotal);
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$this->setRecPerPage($recPerPage);
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$this->setPageTotal();
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$this->setPageID($pageID);
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}
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/**
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* The factory function.
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*
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* @param int $recTotal
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* @param int $recPerPage
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* @param int $pageID
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* @access public
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* @return object
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*/
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public static function init($recTotal = 0, $recPerPage = 20, $pageID = 1)
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{
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return new pager($recTotal, $recPerPage, $pageID);
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}
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/**
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* Set the recTotal property.
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*
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* @param int $recTotal
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* @access public
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* @return void
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*/
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public function setRecTotal($recTotal = 0)
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{
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$this->recTotal = (int)$recTotal;
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}
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/**
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* Set the recTotal property.
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*
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* @param int $recPerPage
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* @access public
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* @return void
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*/
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public function setRecPerPage($recPerPage)
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{
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/* Set the cookie name. */
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$this->pageCookie = 'pager' . ucfirst($this->app->getModuleName()) . ucfirst($this->app->getMethodName());
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if(isset($_COOKIE[$this->pageCookie])) $recPerPage = $_COOKIE[$this->pageCookie];
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$this->recPerPage = ($recPerPage > 0) ? $recPerPage : PAGER::DEFAULT_REC_PRE_PAGE;
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}
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/**
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* Set the pageTotal property.
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*
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* @access public
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* @return void
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*/
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public function setPageTotal()
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{
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$this->pageTotal = ceil($this->recTotal / $this->recPerPage);
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}
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/**
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* Set the page id.
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*
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* @param int $pageID
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* @access public
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* @return void
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*/
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public function setPageID($pageID)
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{
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if($pageID > 0 and $pageID <= $this->pageTotal)
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{
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$this->pageID = $pageID;
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}
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else
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{
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$this->pageID = 1;
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}
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}
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/**
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* Set the $app property;
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*
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* @access private
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* @return void
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*/
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private function setApp()
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{
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global $app;
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$this->app = $app;
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}
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/**
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* Set the $lang property.
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*
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* @access private
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* @return void
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*/
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private function setLang()
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{
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global $lang;
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$this->lang = $lang;
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}
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/**
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* Set the $moduleName property.
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*
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* @access private
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* @return void
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*/
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private function setModuleName()
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{
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$this->moduleName = $this->app->getModuleName();
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}
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/**
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* Set the $methodName property.
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*
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* @access private
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* @return void
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*/
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private function setMethodName()
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{
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$this->methodName = $this->app->getMethodName();
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}
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/**
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* Get recTotal, recPerpage, pageID from the request params, and add them to params.
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*
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* @access private
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* @return void
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*/
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private function setParams()
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{
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$this->params = $this->app->getParams();
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foreach($this->params as $key => $value)
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{
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if(strtolower($key) == 'rectotal') $this->params[$key] = $this->recTotal;
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if(strtolower($key) == 'recperpage') $this->params[$key] = $this->recPerPage;
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if(strtolower($key) == 'pageid') $this->params[$key] = $this->pageID;
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}
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}
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/**
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* Create the limit string.
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*
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* @access public
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* @return string
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*/
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public function limit()
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{
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$limit = '';
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if($this->pageTotal > 1) $limit = ' limit ' . ($this->pageID - 1) * $this->recPerPage . ", $this->recPerPage";
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return $limit;
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}
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/**
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* Print the pager's html.
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*
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* @param string $align
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* @param string $type
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* @access public
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* @return void
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*/
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public function show($align = 'right', $type = 'full')
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{
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echo $this->get($align, $type);
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}
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/**
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* Get the pager html string.
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*
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* @param string $align
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* @param string $type the pager type, full|short|shortest
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* @access public
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* @return string
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*/
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public function get($align = 'right', $type = 'full')
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{
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/* If the RecTotal is zero, return with no record. */
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if($this->recTotal == 0) { return $type == 'mobile' ? '' : "<div style='float:$align; clear:none;' class='pager'>{$this->lang->pager->noRecord}</div>"; }
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/* Set the params. */
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$this->setParams();
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/* Create the prePage and nextpage, all types have them. */
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$pager = $this->createPrePage($type);
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$pager .= $this->createNextPage($type);
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/* The short and full type. */
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if($type !== 'shortest' and $type !== 'mobile')
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{
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$pager = $this->createFirstPage() . $pager;
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$pager .= $this->createLastPage();
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}
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if($type == 'mobile')
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{
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$position = $this->pageTotal == 1 ? '' : $this->pageID . '/' . $this->pageTotal;
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$pager = $pager . ' ' . $position;
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}
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else if($type != 'full')
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{
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$pager = $this->pageID . '/' . $this->pageTotal . ' ' . $pager;
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}
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/* Only the full type . */
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if($type == 'full')
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{
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$pager = $this->createDigest() . $pager;
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$pager .= $this->createGoTo();
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$pager .= $this->createRecPerPageJS();
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}
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return "<div style='float:$align; clear:none;' class='pager'>$pager</div>";
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}
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/**
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* Create the digest code.
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*
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* @access private
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* @return string
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*/
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private function createDigest()
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{
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return sprintf($this->lang->pager->digest, $this->recTotal, $this->createRecPerPageList(), $this->pageID, $this->pageTotal);
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}
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/**
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* Create the first page.
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*
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* @access private
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* @return string
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*/
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private function createFirstPage()
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{
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if($this->pageID == 1) return $this->lang->pager->first . ' ';
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$this->params['pageID'] = 1;
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return html::a(helper::createLink($this->moduleName, $this->methodName, $this->params), $this->lang->pager->first);
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}
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/**
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* Create the pre page html.
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*
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* @access private
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* @return string
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*/
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private function createPrePage($type = 'full')
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{
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if($type == 'mobile')
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{
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if($this->pageID == 1) return '';
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$this->params['pageID'] = $this->pageID - 1;
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return html::a(helper::createLink($this->moduleName, $this->methodName, $this->params), $this->lang->pager->pre, '', 'data-role="button" data-icon="arrow-l" data-iconpos="left" data-inline="true"');
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}
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else
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{
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if($this->pageID == 1) return $this->lang->pager->pre . ' ';
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$this->params['pageID'] = $this->pageID - 1;
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return html::a(helper::createLink($this->moduleName, $this->methodName, $this->params), $this->lang->pager->pre);
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}
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}
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/**
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* Create the next page html.
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*
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* @access private
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* @return string
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*/
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private function createNextPage($type = 'full')
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{
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if($type == 'mobile')
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{
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if($this->pageID == $this->pageTotal) return '';
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$this->params['pageID'] = $this->pageID + 1;
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return html::a(helper::createLink($this->moduleName, $this->methodName, $this->params), $this->lang->pager->next, '', 'data-role="button" data-icon="arrow-r" data-iconpos="right" data-inline="true"');
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}
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else
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{
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if($this->pageID == $this->pageTotal) return $this->lang->pager->next . ' ';
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$this->params['pageID'] = $this->pageID + 1;
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return html::a(helper::createLink($this->moduleName, $this->methodName, $this->params), $this->lang->pager->next);
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}
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}
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/**
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* Create the last page
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*
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* @access private
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* @return string
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*/
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private function createLastPage()
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{
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if($this->pageID == $this->pageTotal) return $this->lang->pager->last . ' ';
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$this->params['pageID'] = $this->pageTotal;
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return html::a(helper::createLink($this->moduleName, $this->methodName, $this->params), $this->lang->pager->last);
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}
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/**
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* Create the select object of record perpage.
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*
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* @access private
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* @return string
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*/
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private function createRecPerPageJS()
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{
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/* Replace the recTotal, recPerPage, pageID to special string, and then replace them with values by JS. */
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$params = $this->params;
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foreach($params as $key => $value)
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{
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if(strtolower($key) == 'rectotal') $params[$key] = '_recTotal_';
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if(strtolower($key) == 'recperpage') $params[$key] = '_recPerPage_';
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if(strtolower($key) == 'pageid') $params[$key] = '_pageID_';
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}
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$vars = '';
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foreach($params as $key => $value) $vars .= "$key=$value&";
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$vars = rtrim($vars, '&');
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$js = <<<EOT
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<script>
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vars = '$vars';
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pageCookie = '$this->pageCookie';
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function submitPage(mode, perPage)
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{
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pageTotal = parseInt(document.getElementById('_pageTotal').value);
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pageID = document.getElementById('_pageID').value;
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recPerPage = document.getElementById('_recPerPage').getAttribute('data-value');
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recTotal = document.getElementById('_recTotal').value;
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if(mode == 'changePageID')
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{
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if(pageID > pageTotal) pageID = pageTotal;
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if(pageID < 1) pageID = 1;
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}
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else if(mode == 'changeRecPerPage')
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{
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recPerPage = perPage;
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pageID = 1;
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}
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$.cookie(pageCookie, recPerPage, {expires:config.cookieLife, path:config.webRoot});
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vars = vars.replace('_recTotal_', recTotal)
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vars = vars.replace('_recPerPage_', recPerPage)
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vars = vars.replace('_pageID_', pageID);
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location.href=createLink('$this->moduleName', '$this->methodName', vars);
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}
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</script>
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EOT;
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return $js;
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}
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/**
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* Create the select list of RecPerPage.
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*
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* @access private
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* @return string
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*/
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private function createRecPerPageList()
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{
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for($i = 5; $i <= 50; $i += 5) $range[$i] = $i;
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$range[100] = 100;
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$range[200] = 200;
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$range[500] = 500;
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$range[1000] = 1000;
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$html = "<div class='dropdown dropup'><a href='javascript:;' data-toggle='dropdown' id='_recPerPage' data-value='{$this->recPerPage}'>" . (sprintf($this->lang->pager->recPerPage, $this->recPerPage)) . "<span class='caret'></span></a><ul class='dropdown-menu'>";
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foreach ($range as $key => $value)
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{
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$html .= '<li' . ($this->recPerPage == $value ? " class='active'" : '') .'>' . "<a href='javascript:submitPage(\"changeRecPerPage\", $value)'>{$value}</a>" . '</li>';
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}
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$html .= '</ul></div>';
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return $html;
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}
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/**
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* Create the goto part html.
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*
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* @access private
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* @return string
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*/
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private function createGoTo()
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{
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$goToHtml = "<input type='hidden' id='_recTotal' value='$this->recTotal' />\n";
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$goToHtml .= "<input type='hidden' id='_pageTotal' value='$this->pageTotal' />\n";
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$goToHtml .= "<input type='text' id='_pageID' value='$this->pageID' style='text-align:center;width:30px;' class='form-control' /> \n";
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$goToHtml .= "<input type='button' id='goto' value='{$this->lang->pager->locate}' onclick='submitPage(\"changePageID\");' class='btn'/>";
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return $goToHtml;
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}
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}
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