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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) } } }