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# rat_list --
#
# Create a list of some things and let the user modify this list.
package provide rat_list 1.0
namespace eval rat_list {
namespace export create
variable openLists
variable idCnt 0
}
# rat_list::create --
#
# Create a list window
#
# Arguments:
# listvar - variable containing list
# identifier - identifier for size of window etc
# addproc - procedure to add new items, this will be called with a
# procedure name as argument. The add proc should call this
# procedure with the name of the new item as argument.
# editproc - procedure to edit items Two arguments will be added:
# * name of item to edit
# * procedure to call if the name has changed
# (with new name as argument)
# deleteproc - proc to delete items (item to delete will be added as arg)
# dismissproc - proc to call when dismissing
# title - title string of window
# add - text of add button
# edit - text of edit button
# delete - text of delete button
# dismiss - text of dismiss button
proc rat_list::create {listvar identifier addproc editproc deleteproc \
dismissproc title add edit delete dismiss} {
variable openLists
variable idCnt
upvar \#0 $listvar list
# Make sure the list exists
if {![info exists list]} {
set list {}
}
# Check for already open window
if {[info exists openLists($listvar)]} {
wm deiconify $openLists($listvar)
raise $openLists($listvar)
puts foo
return
}
# Create identifier
set id l[incr idCnt]
set w .rat_list_$id
upvar \#0 rat_list::$id hd
set hd(identifier) $identifier
set hd(w) $w
set hd(listvar) $listvar
set hd(editproc) $editproc
set hd(deleteproc) $deleteproc
set hd(dismissproc) $dismissproc
set openLists($listvar) $w
# Create window
toplevel $w -class TkRat
wm title $w $title
frame $w.f
listbox $w.f.list \
-yscroll "$w.f.scroll set" \
-exportselection false \
-highlightthickness 0 \
-selectmode extended \
-relief sunken \
-setgrid true
scrollbar $w.f.scroll \
-relief sunken \
-command "$w.f.list yview" \
-highlightthickness 0
pack $w.f.scroll -side right -fill y
pack $w.f.list -side left -expand 1 -fill both
button $w.add -text $add \
-command [concat $addproc [list [list rat_list::add $id]]]
button $w.edit -text $edit -command [list rat_list::edit $id]
button $w.delete -text $delete -command [list rat_list::delete $id]
button $w.dismiss -text $dismiss -command [list rat_list::dismiss $id]
pack $w.f -side left -expand 1 -fill both
pack $w.add \
$w.edit \
$w.delete \
$w.dismiss -side top -padx 5 -fill x -expand 1
bind $w <Escape> "$w.dismiss invoke"
bind $w.f.list <Double-1> "rat_list::edit $id"
bind $w.f.list <ButtonRelease-1> "rat_list::setState $id"
bind $w.f.list <KeyPress> "rat_list::setState $id"
foreach elem [lsort -dictionary $list] {
$w.f.list insert end $elem
}
set hd(list) $w.f.list
rat_list::setState $id
wm protocol $w WM_DELETE_WINDOW "rat_list::dismiss $id"
::tkrat::winctl::SetGeometry $identifier $w $w.f.list
}
proc rat_list::setState {id} {
upvar \#0 rat_list::$id hd
set w $hd(w)
set l [llength [$hd(list) curselection]]
if {0 == $l} {
set editState disabled
set delState disabled
} elseif {1 == $l} {
set editState normal
set delState normal
} else {
set editState disabled
set delState normal
}
$w.edit configure -state $editState
$w.delete configure -state $delState
}
proc rat_list::changeName {id old new} {
upvar \#0 rat_list::$id hd
upvar \#0 $hd(listvar) list
set i [lsearch -exact $list $old]
$hd(list) delete $i
set list [lsort -dictionary [concat [lreplace $list $i $i] [list $new]]]
set i [lsearch -exact $list $new]
$hd(list) insert $i $new
}
proc rat_list::add {id elem} {
upvar \#0 rat_list::$id hd
upvar \#0 $hd(listvar) list
if {"" != $elem} {
lappend list $elem
set list [lsort -dictionary $list]
set i [lsearch -exact $list $elem]
$hd(list) insert $i $elem
}
}
proc rat_list::edit {id} {
upvar \#0 rat_list::$id hd
set current [$hd(list) get [$hd(list) curselection]]
eval $hd(editproc) [list $current [list rat_list::changeName $id $current]]
}
proc rat_list::delete {id} {
upvar \#0 rat_list::$id hd
upvar \#0 $hd(listvar) list
foreach elemIndex [lsort -decreasing -integer [$hd(list) curselection]] {
eval $hd(deleteproc) [list [$hd(list) get $elemIndex]]
set list [lreplace $list $elemIndex $elemIndex]
$hd(list) delete $elemIndex
}
rat_list::setState $id
}
proc rat_list::dismiss {id} {
upvar \#0 rat_list::$id hd
variable openLists
if {[string length $hd(dismissproc)]} {
eval $hd(dismissproc)
}
unset openLists($hd(listvar))
::tkrat::winctl::RecordGeometry $hd(identifier) $hd(w) $hd(list)
destroy $hd(w)
unset hd
}
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