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# Copyright (C) 1999-2016
# Smithsonian Astrophysical Observatory, Cambridge, MA, USA
# For conditions of distribution and use, see copyright notice in "copyright"
package provide DS9 1.0
proc DisplayHeaderMenu {} {
global current
# possible cases
# image primary
# image xtension
# compressed primary
# compressed xtension
# bin table xtension
# hpx xtension
# cube primary
# cube xtension
# multiple xtension cube
# multiple file cube
# mosaic extension
# mosaic image xtension
# mosaic cube xtension
# mosaic image cube xtension
set cnt [$current(frame) get fits count]
if {$cnt > 0} {
set slb(count) 0
# check for primary
set fn [$current(frame) get fits file name 1]
set xten \
[string trim [$current(frame) get fits header 1 keyword {XTENSION}]]
if {$xten != {}} {
set bb [string first {[} $fn]
if {$bb>0} {
set pn [string range $fn 0 [expr $bb-1]]
} else {
set pn "primary"
}
incr slb(count)
set slb($slb(count),item) $pn
set slb($slb(count),value) -1
}
set last {}
for {set ii 1} {$ii <= $cnt} {incr ii} {
set fn [$current(frame) get fits file name $ii]
set bb [string first {[} $fn]
if {$bb<0} {
set nn [$current(frame) get fits ext $ii]
if {$nn > 0} {
set fn "$fn\[\]"
}
}
if {$fn != $last} {
incr slb(count)
set slb($slb(count),item) $fn
set slb($slb(count),value) $ii
set last $fn
}
}
if {$slb(count) <= 1} {
DisplayHeader $current(frame) 1 $fn
} else {
if {[SLBDialog slb {Select Header} 40]} {
DisplayHeader $current(frame) $slb(value) $slb(item)
}
}
}
}
proc DisplayHeader {frame id title} {
global current
set varname "hd-$frame-$id"
upvar #0 $varname var
global $varname
SimpleTextDialog $varname $title 80 40 insert top \
[$current(frame) get fits header $id]
# create a special text tag for keywords
$var(text) tag configure keyword -foreground blue
# color tag keywords
set stop [$var(text) index end]
for {set ii 1.0} {$ii<$stop} {set ii [expr $ii+1]} {
$var(text) tag add keyword $ii "$ii +8 chars"
}
}
proc UpdateHeaderDialog {} {
global current
set frame $current(frame)
set cnt 1
if {[$frame has fits mosaic]} {
set cnt [$frame get fits count]
}
for {set id 1} {$id <= $cnt} {incr id} {
set varname "hd-$frame-$id"
upvar #0 $varname var
global $varname
if {![info exists var(top)]} {
continue
}
if {![winfo exists $var(top)]} {
continue
}
$var(text) delete 1.0 end
$var(text) insert end [$frame get fits header $id]
# color tag keywords
set stop [$var(text) index end]
for {set ii 1.0} {$ii<$stop} {set ii [expr $ii+1]} {
$var(text) tag add keyword $ii "$ii +8 chars"
}
}
}
proc DestroyHeader {frame} {
set cnt 1
if {[$frame has fits mosaic]} {
set cnt [$frame get fits count]
}
for {set id 1} {$id <= $cnt} {incr id} {
set varname "hd-$frame-$id"
upvar #0 $varname var
global $varname
if {[info exists $varname]} {
if {[winfo exists $var(top)]} {
SimpleTextDestroy $varname
}
}
}
}
proc ProcessHeaderCmd {varname iname} {
upvar $varname var
upvar $iname i
set item [string tolower [lindex $var $i]]
switch -- $item {
close -
save {incr i}
}
if {[lindex $var $i] != {} && [string is integer [lindex $var $i]]} {
set jj [lindex $var $i]
incr i
} else {
set jj 1
}
global current
if {$current(frame) != {}} {
switch -- $item {
close {
set vvarname "hd[string range $current(frame) end end]-$jj"
upvar #0 $vvarname vvar
global $vvarname
if {[info exists vvar(top)]} {
SimpleTextDestroy $vvarname
}
incr i -1
}
save {
set fn [lindex $var $i]
if {$fn != {}} {
if {[catch {set ch [open "| cat > \"$fn\"" w]}]} {
Error [msgcat::mc {An error has occurred while saving}]
return
}
puts -nonewline $ch [$current(frame) get fits header $jj]
close $ch
}
}
default {
catch {DisplayHeader $current(frame) $jj \
[$current(frame) get fits file name $jj]}
incr i -1
}
}
}
}
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