attach-file.tcl

Simple image upload, attach image to object_id passed in, if no object_id, use the current package_id

Location:
/packages/xowiki/www/xinha/attach-file.tcl
Authors:

Guenter Ernst guenter.ernst@wu-wien.ac.at,

Gustaf Neumann neumann@wu-wien.ac.at

Dave Bauer <dave@solutiongrove.com>

Created:

13.07.2004

CVS ID:

$Id: attach-file.tcl,v 1.6.2.3 2020/07/13 12:02:34 gustafn Exp $
File Contents

ad_page_contract {
  Simple image upload, attach image to object_id passed in, if no
  object_id, use the current package_id
  @author Guenter Ernst guenter.ernst@wu-wien.ac.at,
  @author Gustaf Neumann neumann@wu-wien.ac.at
  @author Dave Bauer (dave@solutiongrove.com)
  @creation-date 13.07.2004
  @cvs-id $Id: attach-file.tcl,v 1.6.2.3 2020/07/13 12:02:34 gustafn Exp $
} {
  {parent_id:naturalnum,notnull}
  {selector_type "image"}
}

set f_url ""

set user_id [ad_conn user_id]
# if user has write permission, create image upload form,
if {[permission::permission_p -party_id $user_id -object_id $parent_id \
         -privilege "write"]} {

  set write_p 1

  # FIXME DAVEB i18n for share_options
  set share_options [list \
                         [list "[_ acs-templating.Only_myself]"            private] \
                         [list "[_ acs-templating.This_Group]"             group] \
                         [list "[_ acs-templating.Anyone_on_this_system]"  site] \
                         [list "[_ acs-templating.Anyone_on_the_internet]" public]]
  ad_form \
      -name upload_form \
      -mode edit \
      -export {selector_type file_types parent_id} \
      -html { enctype multipart/form-data } \
      -form {
        item_id:key
        {upload_file:file(file)
          {html {size 30}}
        }
        {share:text(radio),optional
          {label "[_ acs-templating.This_image_can_be_reused_by]"}
          {options $share_options}
          {help_text "[_ acs-templating.This_image_can_be_reused_help]"}
        }
        {ok_btn:text(submit)
          {label "[_ acs-templating.HTMLArea_SelectUploadBtn]"}
        }
      } \
      -on_request {
        set share site
      } \
      -on_submit {
        # check filename
        if {$upload_file eq ""} {
          template::form::set_error upload_form upload_file \
              [_ acs-templating.HTMLArea_SpecifyUploadFilename]
          break
        }

        if {[info exists folder_size]} {
          # check per folder quota
          set maximum_folder_size [parameter::get -parameter "MaximumFolderSize"]

          if { $maximum_folder_size ne "" } {
            if { $folder_size+[ad_file size ${upload_file.tmpfile}] > $maximum_folder_size } {
              template::form::set_error upload_form upload_file \
                  [_ file-storage.out_of_space]
              break
            }
          }
        }

        set file_name [template::util::file::get_property filename $upload_file]
        set upload_tmpfile [template::util::file::get_property tmp_filename $upload_file]
        set mime_type [template::util::file::get_property mime_type $upload_file]
        if {$mime_type eq ""} {
          set mime_type [ns_guesstype $file_name]
        }
        if {$selector_type eq "image" \
                && ![string match "image/*" $mime_type]} {
          template::form::set_error upload_form upload_file \
              [_ acs-templating.HTMLArea_SelectImageUploadNoImage]
          break
        }
        if {[string match "image/*" $mime_type]} {

          image::new \
              -item_id $item_id \
              -name ${item_id}_$file_name \
              -parent_id $parent_id \
              -tmp_filename $upload_tmpfile \
              -creation_user $user_id \
              -creation_ip [ad_conn peeraddr] \
              -package_id [ad_conn package_id]
        } else {
          content::item::new \
              -item_id $item_id \
              -name ${item_id}_$file_name \
              -parent_id $parent_id \
              -tmp_filename $upload_tmpfile \
              -creation_user $user_id \
              -creation_ip [ad_conn peeraddr] \
              -package_id [ad_conn package_id]
        }
        file delete -- $upload_tmpfile
        permission::grant \
            -object_id $item_id \
            -party_id $user_id \
            -privilege admin

        switch -- $share {
          private {
            permission::set_not_inherit -object_id $item_id
          }
          group {
            # Find the closest application group
            # either dotlrn or acs-subsite

            permission::grant \
                -party_id [acs_magic_object "registered_users"] \
                -object_id $item_id \
                -privilege "read"
          }
          public {
            permission::grant \
                -party_id [acs_magic_object "the_public"] \
                -object_id $item_id \
                -privilege "read"
          }
          site -
          default {
            permission::grant \
                -party_id [acs_magic_object "registered_users"] \
                -object_id $item_id \
                -privilege "read"
          }

        }
        if {$share eq "private"} {
          # need a private URL that allows viewers of this
          # object to see the image
          # this isn't totally secure, because of course
          # you need to be able to see the image somehow
          # but we only allow read on the image if you can
          # see the parent object
          set f_url "/image/$item_id/private/$file_name"
        } else {
          set f_url "/image/$item_id/$file_name"
        }
      }

} else {
  set write_p 0
}


## Add event handlers

template::add_event_listener -id "body" -event "load" -script {
  Init();
}
template::add_event_listener -id "ok_button" -script {
  onOK();
}
template::add_event_listener -id "showpreview" -script {
  togglePreview()
}
template::add_event_listener -CSSclass "cancel_buttons" -script {
  onCancel();
}
template::add_event_listener -id "resize_window_upload_button" -script {
  resizeWindow('upload');
}
template::add_event_listener -id "resize_window_url_button" -script {
  resizeWindow('url');
}
template::add_event_listener -id "preview_button" -script {
  onPreview();
}

##

set HTML_Preview "Preview"
set HTML_UploadTitle ""

# Local variables:
#    mode: tcl
#    tcl-indent-level: 2
#    indent-tabs-mode: nil
# End:
attach-file.tcl

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