home *** CD-ROM | disk | FTP | other *** search
- # FileBox.tcl --
- #
- # Implements the File Selection Box widget.
- #
- # Copyright (c) 1996, Expert Interface Technologies
- #
- # 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 tixFileSelectBox {
- -superclass tixPrimitive
- -classname TixFileSelectBox
- -method {
- filter invoke
- }
- -flag {
- -browsecmd -command -dir -directory -disablecallback
- -grab -pattern -selection -value
- }
- -configspec {
- {-browsecmd browseCmd BrowseCmd ""}
- {-command command Command ""}
- {-directory directory Directory ""}
- {-disablecallback disableCallback DisableCallback 0 tixVerifyBoolean}
- {-grab grab Grab global}
- {-pattern pattern Pattern *}
- {-value value Value ""}
- }
- -alias {
- {-selection -value}
- {-dir -directory}
- }
- -forcecall {
- -value
- }
- -default {
- {.relief raised}
- {*filelist*Listbox.takeFocus true}
- {.borderWidth 1}
- {*Label.anchor w}
- {*Label.borderWidth 0}
- {*Label.font -Adobe-Helvetica-Bold-R-Normal--*-120-*}
- {*TixComboBox*scrollbar auto}
- {*TixComboBox*Label.anchor w}
- {*TixScrolledListBox.scrollbar auto}
- {*Listbox.exportSelection false}
- {*directory*Label.text "Directories:"}
- {*directory*Label.underline 0}
- {*file*Label.text "Files:"}
- {*file*Label.underline 2}
- {*filter.label "Filter:"}
- {*filter*label.underline 3}
- {*filter.labelSide top}
- {*selection.label "Selection:"}
- {*selection*label.underline 0}
- {*selection.labelSide top}
- }
- }
-
-
- proc tixFileSelectBox:InitWidgetRec {w} {
- upvar #0 $w data
- global env
-
- tixChainMethod $w InitWidgetRec
-
- if {$data(-directory) == ""} {
- set data(-directory) [pwd]
- }
- if {$data(-pattern) == ""} {
- set data(-pattern) [tixFilePattern allFiles]
- }
-
- tixFileSelectBox:SetPat $w [tixFileIntName $data(-pattern)]
- tixFileSelectBox:SetDir $w [tixFileIntName $data(-directory)]
-
- set data(flag) 0
- set data(fakeDir) 0
- }
-
- #----------------------------------------------------------------------
- # Construct widget
- #----------------------------------------------------------------------
- proc tixFileSelectBox:ConstructWidget {w} {
- upvar #0 $w data
-
- tixChainMethod $w ConstructWidget
-
- set frame1 [tixFileSelectBox:CreateFrame1 $w]
- set frame2 [tixFileSelectBox:CreateFrame2 $w]
- set frame3 [tixFileSelectBox:CreateFrame3 $w]
-
- pack $frame1 -in $w -side top -fill x
- pack $frame3 -in $w -side bottom -fill x
- pack $frame2 -in $w -side top -fill both -expand yes
- }
-
- proc tixFileSelectBox:CreateFrame1 {w} {
- upvar #0 $w data
-
- frame $w.f1 -border 10
- tixComboBox $w.f1.filter -editable 1\
- -command "$w filter" -anchor e \
- -options {
- slistbox.scrollbar auto
- listbox.height 5
- label.anchor w
- }
- set data(w:filter) $w.f1.filter
-
- pack $data(w:filter) -side top -expand yes -fill both
- return $w.f1
- }
-
- proc tixFileSelectBox:CreateFrame2 {w} {
- upvar #0 $w data
-
- tixPanedWindow $w.f2 -orientation horizontal
- # THE LEFT FRAME
- #-----------------------
- set dir [$w.f2 add directory -size 120]
- $dir config -relief flat
- label $dir.lab
- set data(w:dirlist) [tixScrolledListBox $dir.dirlist\
- -scrollbar auto\
- -options {listbox.width 4 listbox.height 6}]
-
- pack $dir.lab -side top -fill x -padx 10
- pack $data(w:dirlist) -side bottom -expand yes -fill both -padx 10
-
- # THE RIGHT FRAME
- #-----------------------
- set file [$w.f2 add file -size 160]
- $file config -relief flat
- label $file.lab
- set data(w:filelist) [tixScrolledListBox $file.filelist \
- -scrollbar auto\
- -options {listbox.width 4 listbox.height 6}]
-
- pack $file.lab -side top -fill x -padx 10
- pack $data(w:filelist) -side bottom -expand yes -fill both -padx 10
-
- return $w.f2
- }
-
- proc tixFileSelectBox:CreateFrame3 {w} {
- upvar #0 $w data
-
- frame $w.f3 -border 10
- tixComboBox $w.f3.selection -editable 1\
- -command "tixFileSelectBox:SelInvoke $w" \
- -anchor e \
- -options {
- slistbox.scrollbar auto
- listbox.height 5
- label.anchor w
- }
-
- set data(w:selection) $w.f3.selection
-
- pack $data(w:selection) -side top -fill both
-
- return $w.f3
- }
-
- proc tixFileSelectBox:SelInvoke {w args} {
- upvar #0 $w data
-
- set event [tixEvent type]
-
- if {$event != "<FocusOut>" && $event != "<Tab>"} {
- $w invoke
- }
- }
-
- proc tixFileSelectBox:SetValue {w value} {
- upvar #0 $w data
-
- set data(i-value) $value
- set data(-value) [tixNativeName $value 0]
- }
-
- proc tixFileSelectBox:SetDir {w value} {
- upvar #0 $w data
-
- set data(i-directory) $value
- set data(-directory) [tixNativeName $value]
- }
-
- proc tixFileSelectBox:SetPat {w value} {
- upvar #0 $w data
-
- set data(i-pattern) $value
- set data(-pattern) [tixNativeName $value 0]
- }
-
-
- #----------------------------------------------------------------------
- # BINDINGS
- #----------------------------------------------------------------------
-
- proc tixFileSelectBox:SetBindings {w} {
- upvar #0 $w data
-
- tixChainMethod $w SetBindings
-
- tixDoWhenMapped $w "tixFileSelectBox:FirstMapped $w"
-
- $data(w:dirlist) config \
- -browsecmd "tixFileSelectBox:SelectDir $w" \
- -command "tixFileSelectBox:InvokeDir $w"
-
- $data(w:filelist) config \
- -browsecmd "tixFileSelectBox:SelectFile $w" \
- -command "tixFileSelectBox:InvokeFile $w"
- }
-
- #----------------------------------------------------------------------
- # CONFIG OPTIONS
- #----------------------------------------------------------------------
- proc tixFileSelectBox:config-directory {w value} {
- upvar #0 $w data
-
- if {$value == ""} {
- set value [pwd]
- }
- tixFileSelectBox:SetDir $w [tixFileIntName $value]
- tixFileSelectBox:SetFilter $w $data(i-directory) $data(i-pattern)
- $w filter
-
- return $data(-directory)
- }
-
- proc tixFileSelectBox:config-pattern {w value} {
- upvar #0 $w data
-
- if {$value == ""} {
- set value [tixFilePattern allFiles]
- }
-
- tixFileSelectBox:SetPat $w [tixFileIntName $value]
- tixFileSelectBox:SetFilter $w $data(i-directory) $data(i-pattern)
-
- # Returning a value means we have overridden the value and updated
- # the widget record ourselves.
- #
- return $data(-pattern)
- }
-
- proc tixFileSelectBox:config-value {w value} {
- upvar #0 $w data
-
- tixFileSelectBox:SetValue $w [tixFileIntName $value]
- tixSetSilent $data(w:selection) $value
-
- return $data(-value)
- }
-
- #----------------------------------------------------------------------
- # PUBLIC METHODS
- #----------------------------------------------------------------------
- proc tixFileSelectBox:filter {w args} {
- upvar #0 $w data
-
- $data(w:filter) popdown
- tixFileSelectBox:InterpFilter $w
- tixFileSelectBox:LoadDir $w
- }
-
- proc tixFileSelectBox:invoke {w args} {
- upvar #0 $w data
-
- if {[$data(w:selection) cget -value] !=
- [$data(w:selection) cget -selection]} {
- # this will in turn call "invoke" again ...
- #
- $data(w:selection) invoke
- return
- }
-
- # record the filter
- #
- set filter [tixFileSelectBox:InterpFilter $w]
- $data(w:filter) addhistory $filter
-
- # record the selection
- #
- set userInput [string trim [$data(w:selection) cget -value]]
- tixFileSelectBox:SetValue $w \
- [tixFileIntName $userInput $data(i-directory)]
- $data(w:selection) addhistory $data(-value)
-
- $data(w:filter) align
- $data(w:selection) align
-
- if {$data(-command) != "" && !$data(-disablecallback)} {
- set bind(specs) "%V"
- set bind(%V) $data(-value)
- tixEvalCmdBinding $w $data(-command) bind $data(-value)
- }
- }
-
- #----------------------------------------------------------------------
- # INTERNAL METHODS
- #----------------------------------------------------------------------
- # InterpFilter:
- # Interprets the value of the w:filter widget.
- #
- # Side effects:
- # Changes the fields data(-directory) and data(-pattenn)
- #
- proc tixFileSelectBox:InterpFilter {w {filter ""}} {
- upvar #0 $w data
-
- if {$filter == ""} {
- set filter [$data(w:filter) cget -selection]
- if {$filter == ""} {
- set filter [$data(w:filter) cget -value]
- }
- }
-
- set i_filter [tixFileIntName $filter]
-
- if [file isdir $filter] {
- tixFileSelectBox:SetDir $w $i_filter
- tixFileSelectBox:SetPat $w [tixFilePattern allFiles]
- } else {
- set nDir [file dir $filter]
- if {$nDir == "" || $nDir == "."} {
- tixFileSelectBox:SetDir $w [tixFileIntName $data(i-directory)]
- } else {
- tixFileSelectBox:SetDir $w [tixFileIntName $nDir]
- }
- tixFileSelectBox:SetPat $w [tixFileIntName [file tail $filter]]
- }
-
- tixFileSelectBox:SetFilter $w $data(i-directory) $data(i-pattern)
-
- return $data(filter)
- }
-
- proc tixFileSelectBox:SetFilter {w dir pattern} {
- upvar #0 $w data
-
- set data(filter) [tixSubFolder $dir $pattern]
- tixSetSilent $data(w:filter) [tixNativeName $data(filter)]
- }
-
- proc tixFileSelectBox:LoadDirIntoLists {w} {
- upvar #0 $w data
-
- $data(w:dirlist) subwidget listbox delete 0 end
- $data(w:filelist) subwidget listbox delete 0 end
-
- set dir $data(i-directory)
-
- # (1) List the directories
- #
- set isDrive 0
- catch {
- set nDir [tixNativeName $dir]
- if {[llength [file split $nDir]] == 1} {
- set isDrive 1
- }
- }
- foreach name [tixListDir $dir 1 0 1 1] {
- if ![string compare ".." $name] {
- if $isDrive {
- continue
- }
- }
- $data(w:dirlist) subwidget listbox insert end $name
- }
-
- # (2) List the files
- #
- # %% UNIX'ISM:
- # If the pattern is "*" force glob to list the .* files.
- # However, since the user might not
- # be interested in them, shift the listbox so that the "normal" files
- # are seen first
- #
- # NOTE: if we pass $pat == "" but with $showHidden set to true,
- # tixListDir will list "* .*" in Unix. See the comment on top of
- # the tixListDir code.
- #
- if {[string compare $data(i-pattern) *] == 0} {
- set pat ""
- } else {
- set pat $data(i-pattern)
- }
-
- set top 0
- foreach name [tixListDir $dir 0 1 0 0 $pat] {
- $data(w:filelist) subwidget listbox insert end $name
- if [string match .* $name] {
- incr top
- }
- }
-
- $data(w:filelist) subwidget listbox yview $top
- }
-
- proc tixFileSelectBox:LoadDir {w} {
- upvar #0 $w data
-
- tixBusy $w on [$data(w:dirlist) subwidget listbox]
-
- tixFileSelectBox:LoadDirIntoLists $w
- tixFileSelectBox:MkDirMenu $w
-
- if {[$data(w:dirlist) subwidget listbox size] == 0} {
- # fail safe, just in case the user has inputed an errnoeuos
- # directory
- $data(w:dirlist) subwidget listbox insert 0 ".."
- }
-
- tixWidgetDoWhenIdle tixBusy $w off [$data(w:dirlist) subwidget listbox]
- }
-
- # %% unimplemented
- #
- proc tixFileSelectBox:MkDirMenu {w} {
- upvar #0 $w data
- }
-
- # User single clicks on the directory listbox
- #
- proc tixFileSelectBox:SelectDir {w} {
- upvar #0 $w data
-
- if {$data(fakeDir) > 0} {
- incr data(fakeDir) -1
- $data(w:dirlist) subwidget listbox select clear 0 end
- $data(w:dirlist) subwidget listbox activate -1
- return
- }
-
- if {$data(flag)} {
- return
- }
- set data(flag) 1
-
- set subdir [tixListboxGetCurrent [$data(w:dirlist) subwidget listbox]]
- if {$subdir == ""} {
- set subdir "."
- }
-
- tixFileSelectBox:SetFilter $w \
- [tixFileIntName [tixSubFolder $data(i-directory) $subdir]] \
- $data(i-pattern)
- set data(flag) 0
- }
-
- proc tixFileSelectBox:InvokeDir {w} {
- upvar #0 $w data
-
- set theDir [$data(w:dirlist) subwidget listbox get active]
-
- tixFileSelectBox:SetDir $w [tixFileIntName \
- [tixSubFolder $data(i-directory) $theDir]]
-
- $data(w:dirlist) subwidget listbox select clear 0 end
-
- tixFileSelectBox:SetFilter $w $data(i-directory) $data(i-pattern)
- tixFileSelectBox:InterpFilter $w [tixNativeName $data(filter)]
-
- tixFileSelectBox:LoadDir $w
-
- if {![tixEvent match <Return>]} {
- incr data(fakeDir) 1
- }
- }
-
- proc tixFileSelectBox:SelectFile {w} {
- upvar #0 $w data
-
- if {$data(flag)} {
- return
- }
- set data(flag) 1
-
- # Reset the "Filter:" box to the current directory:
- #
- $data(w:dirlist) subwidget listbox select clear 0 end
- tixFileSelectBox:SetFilter $w $data(i-directory) $data(i-pattern)
-
- # Now select the file
- #
- set selected [tixListboxGetCurrent [$data(w:filelist) subwidget listbox]]
- if {$selected != ""} {
- # Make sure that the selection is not empty!
- #
- tixFileSelectBox:SetValue $w \
- [tixFileIntName [tixSubFolder $data(i-directory) $selected]]
- tixSetSilent $data(w:selection) $data(-value)
-
- if {$data(-browsecmd) != ""} {
- tixEvalCmdBinding $w $data(-browsecmd) "" $data(-value)
- }
- }
- set data(flag) 0
- }
-
- proc tixFileSelectBox:InvokeFile {w} {
- upvar #0 $w data
-
- set selected [tixListboxGetCurrent [$data(w:filelist) subwidget listbox]]
- if {$selected != ""} {
- $w invoke
- }
- }
-
- # This is only called the first this fileBox is mapped -- load the directory
- #
- proc tixFileSelectBox:FirstMapped {w} {
- if {![winfo exists $w]} {
- return
- }
-
- upvar #0 $w data
-
- tixFileSelectBox:SetFilter $w $data(i-directory) $data(i-pattern)
- tixFileSelectBox:LoadDir $w
- $data(w:filter) align
- }
-
-
- #----------------------------------------------------------------------
- #
- #
- # C O N V E N I E N C E R O U T I N E S
- #
- #
- #----------------------------------------------------------------------
-
- # This is obsolete. Use the widget tixFileSelectDialog instead
- #
- #
- proc tixMkFileDialog {w args} {
- set option(-okcmd) ""
- set option(-helpcmd) ""
-
- tixHandleOptions option {-okcmd -helpcmd} $args
-
- toplevel $w
- wm minsize $w 10 10
-
- tixStdDlgBtns $w.btns
-
- if {$option(-okcmd) != ""} {
- tixFileSelectBox $w.fsb -command "wm withdraw $w; $option(-okcmd)"
- } else {
- tixFileSelectBox $w.fsb -command "wm withdraw $w"
- }
-
- $w.btns button ok config -command "$w.fsb invoke"
- $w.btns button apply config -command "$w.fsb filter" -text Filter
- $w.btns button cancel config -command "wm withdraw $w"
-
- if {$option(-helpcmd) == ""} {
- $w.btns button help config -state disabled
- } else {
- $w.btns button help config -command $option(-helpcmd)
- }
- wm protocol $w WM_DELETE_WINDOW "wm withdraw $w"
- pack $w.btns -side bottom -fill both
- pack $w.fsb -fill both -expand yes
-
- return $w.fsb
- }
-
-
-