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# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: EFileBox.tcl,v 1.5 2004/03/28 02:44:57 hobbs Exp $
#
# EFileBox.tcl --
#
# Implements the Extended File Selection Box widget.
#
# 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.
#
#
# ToDo
# (1) If user has entered an invalid directory, give an error dialog
#
tixWidgetClass tixExFileSelectBox {
-classname TixExFileSelectBox
-superclass tixPrimitive
-method {
filter invoke
}
-flag {
-browsecmd -command -dialog -dir -dircmd -directory
-disablecallback -filetypes -pattern -selection -showhidden -value
}
-forcecall {
-filetypes
}
-configspec {
{-browsecmd browseCmd BrowseCmd ""}
{-command command Command ""}
{-dialog dialog Dialog ""}
{-dircmd dirCmd DirCmd ""}
{-directory directory Directory ""}
{-disablecallback disableCallback DisableCallback 0 tixVerifyBoolean}
{-filetypes fileTypes FileTypes ""}
{-pattern pattern Pattern *}
{-showhidden showHidden ShowHidden 0 tixVerifyBoolean}
{-value value Value ""}
}
-alias {
{-dir -directory}
{-selection -value}
}
-default {
{*dir.label {Directories:}}
{*dir.editable true}
{*dir.history true}
{*dir*listbox.height 5}
{*file.label Files:}
{*file.editable true}
{*file.history false}
{*file*listbox.height 5}
{*types.label {List Files of Type:}}
{*types*listbox.height 3}
{*TixComboBox.labelSide top}
{*TixComboBox*Label.anchor w}
{*dir.label.underline 0}
{*file.label.underline 0}
{*types.label.underline 14}
{*TixComboBox.anchor e}
{*TixHList.height 7}
{*filelist*listbox.height 7}
{*hidden.wrapLength 3c}
{*hidden.justify left}
}
}
proc tixExFileSelectBox:InitWidgetRec {w} {
upvar #0 $w data
global env
tixChainMethod $w InitWidgetRec
if {$data(-directory) eq ""} {
set data(-directory) [pwd]
}
set data(oldDir) ""
set data(flag) 0
}
#----------------------------------------------------------------------
# Construct widget
#----------------------------------------------------------------------
proc tixExFileSelectBox:ConstructWidget {w} {
upvar #0 $w data
tixChainMethod $w ConstructWidget
# listbox frame
set lf [frame $w.lf]
# The pane that contains the two listboxes
#
set pane [tixPanedWindow $lf.pane -orientation horizontal]
set dpane [$pane add 1 -size 160]
set fpane [$pane add 2 -size 160]
$dpane config -relief flat
$fpane config -relief flat
# The File List Pane
#
set data(w:file) [tixComboBox $fpane.file\
-command [list tixExFileSelectBox:Cmd-FileCombo $w]\
-prunehistory true \
-options {
label.anchor w
}]
set data(w:filelist) \
[tixScrolledListBox $fpane.filelist \
-command [list tixExFileSelectBox:Cmd-FileList $w 1] \
-browsecmd [list tixExFileSelectBox:Cmd-FileList $w 0]]
pack $data(w:file) -padx 8 -pady 4 -side top -fill x
pack $data(w:filelist) -padx 8 -pady 4 -side top -fill both -expand yes
# The Directory Pane
#
set data(w:dir) [tixComboBox $dpane.dir \
-command [list tixExFileSelectBox:Cmd-DirCombo $w]\
-prunehistory true \
-options {
label.anchor w
}]
set data(w:dirlist) \
[tixDirList $dpane.dirlist \
-command [list tixExFileSelectBox:Cmd-DirList $w]\
-browsecmd [list tixExFileSelectBox:Browse-DirList $w]]
pack $data(w:dir) -padx 8 -pady 4 -side top -fill x
pack $data(w:dirlist) -padx 8 -pady 4 -side top -fill both -expand yes
# The file types listbox
#
set data(w:types) [tixComboBox $lf.types\
-command [list tixExFileSelectBox:Cmd-TypeCombo $w]\
-options {
label.anchor w
}]
pack $data(w:types) -padx 12 -pady 4 -side bottom -fill x -anchor w
pack $pane -side top -padx 4 -pady 4 -expand yes -fill both
# Buttons to the right
#
set bf [frame $w.bf]
set data(w:ok) [button $bf.ok -text Ok -width 6 \
-underline 0 -command [list tixExFileSelectBox:Ok $w]]
set data(w:cancel) [button $bf.cancel -text Cancel -width 6 \
-underline 0 -command [list tixExFileSelectBox:Cancel $w]]
set data(w:hidden) [checkbutton $bf.hidden -text "Show Hidden Files"\
-underline 0\
-variable [format %s(-showhidden) $w] -onvalue 1 -offvalue 0\
-command [list tixExFileSelectBox:SetShowHidden $w]]
pack $data(w:ok) $data(w:cancel) $data(w:hidden)\
-side top -fill x -padx 6 -pady 3
pack $bf -side right -fill y -pady 6
pack $lf -side left -expand yes -fill both
tixDoWhenMapped $w [list tixExFileSelectBox:Map $w]
if {$data(-filetypes) == ""} {
$data(w:types) config -state disabled
}
}
#----------------------------------------------------------------------
# Configuration
#----------------------------------------------------------------------
proc tixExFileSelectBox:config-showhidden {w value} {
upvar #0 $w data
set data(-showhidden) $value
tixExFileSelectBox:SetShowHidden $w
}
# Update both DirList and {file list and dir combo}
#
proc tixExFileSelectBox:config-directory {w value} {
upvar #0 $w data
set data(-directory) [tixFSNormalize $value]
tixSetSilent $data(w:dirlist) $data(-directory)
tixSetSilent $data(w:dir) $data(-directory)
tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
return $data(-directory)
}
proc tixExFileSelectBox:config-filetypes {w value} {
upvar #0 $w data
$data(w:types) subwidget listbox delete 0 end
foreach name [array names data] {
if {[string match type,* $name]} {
catch {unset data($name)}
}
}
if {$value == ""} {
$data(w:types) config -state disabled
} else {
$data(w:types) config -state normal
foreach type $value {
$data(w:types) insert end [lindex $type 1]
set data(type,[lindex $type 1]) [lindex $type 0]
}
tixSetSilent $data(w:types) ""
}
}
#----------------------------------------------------------------------
# MISC Methods
#----------------------------------------------------------------------
proc tixExFileSelectBox:SetShowHidden {w} {
upvar #0 $w data
$data(w:dirlist) config -showhidden $data(-showhidden)
tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
}
# User activates the dir combobox
#
#
proc tixExFileSelectBox:Cmd-DirCombo {w args} {
upvar #0 $w data
set dir [tixEvent flag V]
set dir [tixFSExternal $dir]
if {![file isdirectory $dir]} {
return
}
set dir [tixFSNormalize $dir]
$data(w:dirlist) config -value $dir
set data(-directory) $dir
}
# User activates the dir list
#
#
proc tixExFileSelectBox:Cmd-DirList {w args} {
upvar #0 $w data
set dir $data(-directory)
catch {set dir [tixEvent flag V]}
set dir [tixFSNormalize [tixFSExternal $dir]]
tixSetSilent $data(w:dir) $dir
set data(-directory) $dir
tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w noreload
}
# User activates the dir list
#
#
proc tixExFileSelectBox:Browse-DirList {w args} {
upvar #0 $w data
set dir [tixEvent flag V]
set dir [tixFSNormalize [tixFSExternal $dir]]
tixExFileSelectBox:Cmd-DirList $w $dir
}
proc tixExFileSelectBox:IsPattern {w string} {
return [regexp "\[\[\\\{\\*\\?\]" $string]
}
proc tixExFileSelectBox:Cmd-FileCombo {w value} {
upvar #0 $w data
if {[tixEvent type] eq "<Return>"} {
tixExFileSelectBox:Ok $w
}
}
proc tixExFileSelectBox:Ok {w} {
upvar #0 $w data
set value [string trim [$data(w:file) subwidget entry get]]
if {$value == ""} {
set value $data(-pattern)
}
tixSetSilent $data(w:file) $value
if {[tixExFileSelectBox:IsPattern $w $value]} {
set data(-pattern) $value
tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
} else {
# ensure absolute path
set value [file join $data(-directory) $value]; # native
set data(-value) [tixFSNativeNorm $value]
tixExFileSelectBox:Invoke $w
}
}
proc tixExFileSelectBox:Cancel {w} {
upvar #0 $w data
if {$data(-dialog) != ""} {
eval $data(-dialog) popdown
}
}
proc tixExFileSelectBox:Invoke {w} {
upvar #0 $w data
# Save some old history
#
$data(w:dir) addhistory [$data(w:dir) cget -value]
$data(w:file) addhistory $data(-pattern)
$data(w:file) addhistory $data(-value)
if {$data(-dialog) != ""} {
eval $data(-dialog) popdown
}
if {$data(-command) != "" && !$data(-disablecallback)} {
set bind(specs) "%V"
set bind(%V) $data(-value)
tixEvalCmdBinding $w $data(-command) bind $data(-value)
}
}
proc tixExFileSelectBox:Cmd-FileList {w invoke args} {
upvar #0 $w data
set index [lindex [$data(w:filelist) subwidget listbox curselection] 0]
if {$index == ""} {
set index 0
}
set file [$data(w:filelist) subwidget listbox get $index]
tixSetSilent $data(w:file) $file
set value [file join $data(-directory) $file]
set data(-value) [tixFSNativeNorm $value]
if {$invoke == 1} {
tixExFileSelectBox:Invoke $w
} elseif {$data(-browsecmd) != ""} {
tixEvalCmdBinding $w $data(-browsecmd) "" $data(-value)
}
}
proc tixExFileSelectBox:Cmd-TypeCombo {w args} {
upvar #0 $w data
set value [tixEvent flag V]
if {[info exists data(type,$value)]} {
set data(-pattern) $data(type,$value)
tixSetSilent $data(w:file) $data(-pattern)
tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
}
}
proc tixExFileSelectBox:LoadFiles {w flag} {
upvar #0 $w data
if {$flag ne "reload" && $data(-directory) eq $data(oldDir)} {
return
}
if {![winfo ismapped [winfo toplevel $w]]} {
tixDoWhenMapped [winfo toplevel $w] \
[list tixExFileSelectBox:LoadFiles $w $flag]
return
}
set listbox [$data(w:filelist) subwidget listbox]
$listbox delete 0 end
set data(-value) ""
tixBusy $w on [$data(w:dirlist) subwidget hlist]
# wrap in a catch so you can't get stuck in a Busy state
if {[catch {
foreach name [tixFSListDir $data(-directory) 0 1 0 \
$data(-showhidden) $data(-pattern)] {
$listbox insert end $name
}
if {$data(oldDir) ne $data(-directory)} {
# Otherwise if the user has already selected a file and then
# presses "show hidden", the selection won't be wiped out.
tixSetSilent $data(w:file) $data(-pattern)
}
} err]} {
tixDebug "tixExFileSelectBox:LoadFiles error for $w\n$err"
}
set data(oldDir) $data(-directory)
tixWidgetDoWhenIdle tixBusy $w off [$data(w:dirlist) subwidget hlist]
}
#
# Called when thd listbox is first mapped
proc tixExFileSelectBox:Map {w} {
if {![winfo exists $w]} {
return
}
upvar #0 $w data
set bind(specs) "%V"
set bind(%V) $data(-value)
tixEvalCmdBinding $w bind \
[list tixExFileSelectBox:Cmd-DirList $w] $data(-directory)
}
#----------------------------------------------------------------------
# Public commands
#
#----------------------------------------------------------------------
proc tixExFileSelectBox:invoke {w} {
tixExFileSelectBox:Invoke $w
}
proc tixExFileSelectBox:filter {w} {
tixExFileSelectBox:LoadFiles $w reload
}
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