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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 }