1 /*

     2  * Copyright 2012 Tomas Zeman <tzeman@volny.cz>

     3  *

     4  * Licensed under the Apache License, Version 2.0 (the "License");

     5  * you may not use this file except in compliance with the License.

     6  * You may obtain a copy of the License at

     7  *

     8  *     http://www.apache.org/licenses/LICENSE-2.0

     9  *

    10  * Unless required by applicable law or agreed to in writing, software

    11  * distributed under the License is distributed on an "AS IS" BASIS,

    12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    13  * See the License for the specific language governing permissions and

    14  * limitations under the License.

    15  */

    16 package fis.fs.ui

    17 

    18 import fis.base.ui._

    19 import fis.fs.model._

    20 import net.liftweb.common._

    21 import net.liftweb.http._

    22 import net.liftweb.util._

    23 import net.tz.lift.model._

    24 

    25 abstract class AttachmentForm extends HorizontalScreen with CancelButton with

    26   SaveButton with AttachmentCrud {

    27 

    28   protected object attachment extends ScreenVar[Attachment](

    29     Attachment.createRecord)

    30 

    31   override def hasUploadField = true

    32 

    33   protected val file = makeField[Box[FileParamHolder], Nothing](l10n("File"),

    34     Empty, field => SHtml.fileUpload(fph => field.set(Full(fph))),

    35     NothingOtherValueInitializer)

    36 

    37   protected def onSuccess(a: Attachment): Unit

    38 

    39   def finish() { for {

    40     fph <- file.get

    41     a1 <- attachment.store(fph)

    42     a2 <- save(a1)

    43   } {

    44     onSuccess(a2)

    45   }}

    46 }

    47 

    48 abstract class DeleteAttachmentForm extends HorizontalScreen with CancelButton

    49   with DeleteButton with AttachmentCrud {

    50 

    51   protected def getAttachment: Box[Attachment]

    52 

    53   val confirm = field(l10n("Really delete this attachment?"), false)

    54 

    55   protected def onSuccess(objectDeleted: Boolean, contentRemoved: Boolean): Unit

    56 

    57   def finish() {

    58     for {

    59       a <- getAttachment if confirm

    60       r <- delete(a)

    61       rm <- a.remove

    62     } {

    63       onSuccess(r, rm)

    64     }

    65   }

    66 

    67 }

    68 

    69 // vim: set ts=2 sw=2 et: