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yesod-paginator's Introduction

Yesod paginator

Handle a database query and/or array-math to paginate a list and produce a pagination widget suitable for Bootstrap.

Usage

Paginate directly out of the database:

getPageR :: Handler Html
getPageR = do
    (things, widget) <- runDB $ selectPaginated 10 [] []

    defaultLayout $ do
        [whamlet|
            $forall thing <- things
                ^{showThing $ snd thing}

            ^{widget}
            |]

Or an existing list in memory:

getPageR :: Handler Html
getPageR = do
    things' <- getAllThings

    (things, widget) <- paginate 10 things'

    defaultLayout $ do
        [whamlet|
            $forall thing <- things
                ^{showThing thing}

            ^{widget}
            |]

Just provide the pagination widget:

getPageR :: Handler Html
getPageR = do
    cur <- getCurrentPage

    let limit = 10

    (items, total) <- runSphinxSearch "query" limit

    defaultLayout $ do
        [whamlet|
          $forall thing <- things
              ^{showThing thing}

          ^{defaultWidget cur limit total}
          |]

Customization

getPageR :: Handler Html
getPageR = do
    (things, widget) <- selectPaginatedWith myWidget 10 [] []

    defaultLayout $ do
        -- ...

    where
        myWidget :: PageWidget App
        myWidget = paginationWidget $ PageWidgetConfig
            { prevText     = "Newer"
            , nextText     = "Older"
            , pageCount    = 7
            , ascending    = False
            , showEllipsis = False
            , listClasses  = ["pagination", "pagination-centered"]
            }

Testing

$ cabal install warp
$ cabal install
$ runhaskell ./Test.hs
$ $BROWSER http://localhost:3000

yesod-paginator's People

Contributors

pbrisbin avatar lubomir avatar lightquake avatar suhailshergill avatar

Watchers

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