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# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: DirBox.tcl,v 1.4 2004/03/28 02:44:57 hobbs Exp $
#
# DirBox.tcl --
#
# Implements the tixDirSelectBox widget.
#
# - overrides the -browsecmd and -command options of the
# HList subwidget
#
# Copyright (c) 1993-1999 Ioi Kim Lam.
# Copyright (c) 2000-2001 Tix Project Group.
# Copyright (c) 2004 ActiveState
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
tixWidgetClass tixDirSelectBox {
-classname TixDirSelectBox
-superclass tixPrimitive
-method {
}
-flag {
-command -disablecallback -value
}
-configspec {
{-command command Command ""}
{-disablecallback disableCallback DisableCallback 0 tixVerifyBoolean}
{-label label Label "Directory:"}
{-value value Value ""}
}
-forcecall {
-value -label
}
-default {
{*combo*listbox.height 5}
{*combo.label.anchor w}
{*combo.labelSide top}
{*combo.history true}
{*combo.historyLimit 20}
}
}
proc tixDirSelectBox:InitWidgetRec {w} {
upvar #0 $w data
tixChainMethod $w InitWidgetRec
}
proc tixDirSelectBox:ConstructWidget {w} {
upvar #0 $w data
tixChainMethod $w ConstructWidget
set data(w:dircbx) [tixFileComboBox $w.dircbx]
set data(w:dirlist) [tixDirList $w.dirlist]
pack $data(w:dircbx) -side top -fill x -padx 4 -pady 2
pack $data(w:dirlist) -side top -fill both -expand yes -padx 4 -pady 2
if {$data(-value) eq ""} {
set data(-value) [pwd]
}
}
proc tixDirSelectBox:SetBindings {w} {
upvar #0 $w data
tixChainMethod $w SetBindings
$data(w:dircbx) config -command [list tixDirSelectBox:Cmd-DirCbx $w]
$data(w:dirlist) config -command [list tixDirSelectBox:Cmd-DirList $w]\
-browsecmd [list tixDirSelectBox:Browse-DirList $w]
}
#----------------------------------------------------------------------
# Incoming event: User
#----------------------------------------------------------------------
# User activates the FileComboBox
#
#
proc tixDirSelectBox:Cmd-DirCbx {w args} {
upvar #0 $w data
set fInfo [tixEvent value]
set path [lindex $fInfo 0]
if {![file exists $path]} {
# 1.1 Check for validity. The pathname cannot contain invalid chars
#
if {![tixFSIsValid $path]} {
tk_messageBox -title "Invalid Directory" \
-type ok -icon error \
-message "\"$path\" is not a valid directory name"
$data(w:dircbx) config \
-text [tixFSDisplayName [file normalize $data(-value)]] \
-directory $data(-value)
return
}
# 1.2 Prompt for creation
#
set choice [tk_messageBox -title "Create Directory?" \
-type yesno -icon question \
-message "Directory \"$path\" does not exist.\
\nDo you want to create it?"]
if {$choice eq "yes"
&& [catch {file mkdir [file dirname $path]} err]} {
tk_messageBox -title "Error Creating Directory" \
-icon error -type ok \
-message "Cannot create directory \"$path\":\n$err"
set choice "no"
}
if {$choice eq "no"} {
$data(w:dircbx) config \
-text [tixFSDisplayName [file normalize $data(-value)]] \
-directory $data(-value)
return
}
tixDirSelectBox:SetValue $w $path 1 1
} elseif {![file isdirectory $path]} {
# 2.1: Can't choose a non-directory file
#
tk_messageBox -title "Invalid Directory" \
-type ok -icon error \
-message "\"$path\" is not a directory"
$data(w:dircbx) config \
-text [tixFSDisplayName [file normalize $data(-value)]] \
-directory $data(-value)
return
} else {
# OK. It is an existing directory
#
tixDirSelectBox:SetValue $w $path 1 1
}
}
# User activates the dir list
#
#
proc tixDirSelectBox:Cmd-DirList {w args} {
upvar #0 $w data
set dir $data(-value)
catch {set dir [tixEvent flag V]}
set dir [tixFSNormalize $dir]
tixDirSelectBox:SetValue $w $dir 0 0
}
# User browses the dir list
#
#
proc tixDirSelectBox:Browse-DirList {w args} {
upvar #0 $w data
set dir $data(-value)
catch {set dir [tixEvent flag V]}
set dir [tixFSNormalize $dir]
tixDirSelectBox:SetValue $w $dir 0 0
}
#----------------------------------------------------------------------
# Incoming event: Application
#----------------------------------------------------------------------
proc tixDirSelectBox:config-value {w value} {
upvar #0 $w data
set value [tixFSNormalize $value]
tixDirSelectBox:SetValue $w $value 1 1
return $value
}
proc tixDirSelectBox:config-label {w value} {
upvar #0 $w data
$data(w:dircbx) subwidget combo config -label $value
}
#----------------------------------------------------------------------
#
# Internal functions
#
#----------------------------------------------------------------------
# Arguments:
# callback:Bool Should we invoke the the -command.
# setlist:Bool Should we set the -value of the DirList subwidget.
#
proc tixDirSelectBox:SetValue {w dir callback setlist} {
upvar #0 $w data
set data(-value) $dir
$data(w:dircbx) config -text [tixFSDisplayName $dir] -directory $dir
if {$setlist && [file isdirectory $dir]} {
tixSetSilent $data(w:dirlist) $dir
}
if {$callback} {
if {!$data(-disablecallback) && [llength $data(-command)]} {
set bind(specs) {%V}
set bind(%V) $data(-value)
tixEvalCmdBinding $w $data(-command) bind $data(-value)
}
}
}