Initial commit

2013-08-07 14:41:29 +02:00
commit 66571766b0
333 changed files with 108874 additions and 0 deletions
--- a/current_version/classes/page_switch.php
+++ b/current_version/classes/page_switch.php
@@ -0,0 +1,90 @@
+<?php
+
+/* Switch from page to page to display a list of data */
+
+class PageSwitch
+{
+	public $sPageVar;
+	public $iPageNumber;
+	
+	private $iItemNb;
+	private $iLimit;
+	
+	private $sRefPage;
+	private $sExtraRefPageVar;
+	
+	private $sNextPageLinkTitle;
+	private $sPrevPageLinkTitle;
+	
+	public function __construct($sPageVar, $iTotalItemNb, $iLimit, $sExtraRefPageVar='')
+	{
+		$this->sPageVar = $sPageVar;
+		$this->iItemNb = $iTotalItemNb;
+		$this->iLimit = $iLimit;
+		$this->sExtraRefPageVar = $sExtraRefPageVar;
+		
+		//parse url
+		$asUrlParts = parse_url($_SERVER['REQUEST_URI']);
+		if(isset($asUrlParts['query']))
+		{
+			parse_str($asUrlParts['query'], $asUrlVariables);
+		
+			$this->sRefPage = $asUrlVariables['page'];
+			$this->iPageNumber = isset($asUrlVariables[$this->sPageVar])?$asUrlVariables[$this->sPageVar]:1;
+		}
+		else
+		{
+			$this->sRefPage = DEFAULT_LOGGED_PAGE;
+			$this->iPageNumber = 1;
+		}
+				
+		$this->setNextPageLinkTitle();
+		$this->setPrevPageLinkTitle();
+	}
+	
+	public function setNextPageLinkTitle($sTitle='>')
+	{
+		$this->sNextPageLinkTitle = $sTitle;
+	}
+	public function setPrevPageLinkTitle($sTitle='<')
+	{
+		$this->sPrevPageLinkTitle = $sTitle;	
+	}
+	
+	public function getItemStartPointer()
+	{
+		return (max(0, $this->iPageNumber-1))*$this->iLimit;
+	}
+	
+	public function getItemRange()
+	{
+		$iItemStartPointer = $this->getItemStartPointer();
+		return array('start'=>$iItemStartPointer+1, 'end'=>min($this->iItemNb, $iItemStartPointer+$this->iLimit));
+	}
+	
+	public function getNextLink()
+	{
+		return $this->isNextPage()?$this->getPage($this->sNextPageLinkTitle, 1):'';
+	}
+	
+	public function getPrevLink()
+	{
+		return $this->isPrevPage()?$this->getPage($this->sPrevPageLinkTitle, -1):'';
+	}
+	
+	private function isNextPage()
+	{
+		return (($this->iItemNb - ($this->iPageNumber-1)*$this->iLimit) > $this->iLimit);
+	}
+	
+	private function isPrevPage()
+	{
+		return ($this->iPageNumber > 1);
+	}
+	
+	private function getPage($sTitle, $iDir)
+	{
+		$iPageNb = max(1, $this->iPageNumber + $iDir); 
+		return getHtml($sTitle, 'a', 'XButton rounded', 'font-size:12px;border-color:white;', array('href'=>'?page='.$this->sRefPage.'&'.$this->sPageVar.'='.$iPageNb));	
+	}
+}