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! Copyright (c) 2020 Jeffrey Armstrong <jeff@rainbow-100.com>
!
! Permission is hereby granted, free of charge, to any person obtaining a copy
! of this software and associated documentation files (the "Software"), to deal
! in the Software without restriction, including without limitation the rights
! to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
! copies of the Software, and to permit persons to whom the Software is
! furnished to do so, subject to the following conditions:
!
! The above copyright notice and this permission notice shall be included in
! all copies or substantial portions of the Software.
!
! The Software shall be used for Good, not Evil.
!
! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
! FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
! AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
! LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
! OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
! SOFTWARE.

module ag_binary
use binary
implicit none

    type, extends(binary_handler) :: appgraphics_binary_handler
    
        contains
        
        procedure :: handle_binary => ag_handle_binary
    
    end type
    
contains

    function ag_handle_binary(self, mimetype, url, iostatus) result(unit_number)
    use appgraphics
    implicit none
    
        class(appgraphics_binary_handler)::self
        character(*), intent(in)::mimetype
        character(*), intent(in)::url
        integer, intent(out)::iostatus
        integer::unit_number
        
        character(256)::filename
        integer::i, istatus
        
        iostatus = binary_ignore
        
        if(dlgyesno(DIALOG_INFO, "Binary file encountered.  Would you like to save?")) then
        
            filename = ' '
            i = index(url, '/', back=.true.)
            if(i > 0) then
                filename = url(i+1:len_trim(url))
            end if
            
            if(dlgsavefile(filename)) then 
                unit_number = 0
            
                open(newunit=unit_number, file=trim(filename), status='UNKNOWN', &
                     access='STREAM', form='UNFORMATTED', iostat=istatus)
                if(istatus /= 0) then
                    iostatus = binary_error
                else
                    iostatus = binary_okay
                end if
            end if
        
        end if
        
    end function ag_handle_binary

end module ag_binary