gistfile1.scala

class Upload extends LongKeyedMapper[Upload] with IdPK {
    override def getSingleton = Upload

    object fileName extends CustomMappedString(this, 256) with ValRequired with ResourceDisplay {
        override def size = 80

        override def asHtml = <div>{image} {link}</div>

        def link = <a href={"download/" + id.is} title={fileName.is}>{is.trimToLength(30)}</a>

        def image = {
            val n = fileName.is.split('.')
            val img = if (n.size > 1) Upload.typeMap.get(n.last.toLowerCase).getOrElse(Upload.unknown) else Upload.unknown
            <img src={"/images/" + img} class="thumb"/>
        }
    }

    object mimeType extends CustomMappedString(this, 100) with ValRequired with ResourceDisplay {
        override def size = 80
        override def asHtml = Text(is.trimToLength(30))
    }

    object bytes extends MappedBinary(this) with ResourceDisplay with SkipInList {
        override def dbDisplay_? = false
    }
}

object Upload extends Upload with LongKeyedMetaMapper[Upload] with LongCustomCRUDify[Upload] {
    override def dbTableName = "szkupload"
    override def menuIcon = "/images/disk.png"

    override def fieldOrder = List(fileName, mimeType, bytes)

    val typeMap = Map("doc" -> "microsoft-word-icon.png",
                      "xls" -> "microsoft-excel-icon.png",
                      "pdf" -> "adobe-acrobat-icon.png",
                      "ppt" -> "microsoft-powerpoint-icon.png")

    val unknown = "adobe-flash-icon.png"

    override def canCreate_? = false
}