## Macro: pageContentNavigation()
## Author:      Michael Fienen
## Date:        08.09.19
## Version:     1.0
## E-mail:      fienen@gmail.com
## Website:     http://www.supersatellite.com/
## Description: Creates a "Previous/Next" style navigation after calling the pageContent() macro
##
## Required Parameters:
##     $currentPage  - Integer value for the current page number.
##
## Optional Parameters:
##     $prevPageTxt  - Text for the previous page link. Default: "« Previous Page"
##     $nextPageTxt  - Text for the next page link. Default: "Next Page »"
##     $showPageNum  - Show the page number between the navigation links. Default: "false"
##     $pageLinkVar  - Any necessary parameters to pass to the page for the query. Should end with an "&".
##     $pageVarName  - Variable name in the URI for the page number. Default: "page"
##     $pageNavClass - Customizable CSS class name for the navigation and its elements. Default: "pageContentNav"
##
#macro(pageContentNavigation $currentPage)
  #if(!$UtilMethods.isSet($pageVarName))
    #set($pageVarName = "page")
  #end
  #if(!$UtilMethods.isSet($prevPageTxt))
    #set($prevPageTxt = "« Previous Page")
  #end
  #if(!$UtilMethods.isSet($nextPageTxt))
    #set($nextPageTxt = "Next Page »")
  #end
  #if(!$UtilMethods.isSet($pageNavClass))
    #set($pageNavClass = "pageContentNav")
  #end
<div class="${pageNavClass}">
  #if($hasPreviousPage == "true")
    #set($prevPage = $math.sub($currentPage,1))
  <span class="${pageNavClass}Link ${pageNavClass}Prev"><a href="$VTLSERVLET_URI?$!{pageLinkVar}&${pageVarName}=${prevPage}">$prevPageTxt</a></span>
  #end
  #if($showPageNum == "true")
  <span class="${pageNavClass}Num">$currentPage of $totalPages</span>
  #end
  #if($hasNextPage == "true") 
    #set($nextPage = $math.add($currentPage,1))
  <span class="${pageNavClass}Link ${pageNavClass}Next"><a href="$VTLSERVLET_URI?$!{pageLinkVar}${pageVarName}=${nextPage}">$nextPageTxt</a></span>
  #end
</div>
#end