* library/tk.tcl:

* library/tclIndex:
* library/choosedir.tcl: Moved choosedir functions into the
::tk::dialog::chooseDir namespace instead of a toplevel
::tkChooseDirectory namespace.  Additional cleanup on the
chooseDir dialog.

1 files changed, 81 insertions, 48 deletions

diff --git a/library/choosedir.tcl b/library/choosedir.tcl
index fb92599..724b33c 100644
--- a/library/choosedir.tcl
+++ b/library/choosedir.tcl
@@ -6,43 +6,83 @@
 # Copyright (c) 1998-2000 by Scriptics Corporation.

 # All rights reserved.

 # 

-# RCS: @(#) $Id: choosedir.tcl,v 1.1 2000/01/27 00:23:10 ericm Exp $

+# RCS: @(#) $Id: choosedir.tcl,v 1.2 2000/02/01 23:23:21 ericm Exp $

 

-package require opt

+# Make sure the tk::dialog namespace, in which all dialogs should live, exists

+namespace eval ::tk::dialog {}

 

-namespace eval ::tkChooseDirectory {

+# Make the chooseDir namespace inside the dialog namespace

+namespace eval ::tk::dialog::chooseDir {

+    # value is an array that holds the current selection value for each dialog

     variable value

 }

 

-::tcl::OptProc ::tkChooseDirectory::tk_chooseDirectory {

-    {-initialdir -string ""  

-            "Initial directory for browser"}

-    {-mustexist              

-            "If specified, user can't type in a new directory"}

-    {-parent     -string "."

-            "Parent window for browser"}

-    {-title      -string "Choose Directory"

-            "Title for browser window"}

-} {

-    # Handle default directory

-    if {[string length $initialdir] == 0} {

-	set initialdir [pwd]

-    }

+proc ::tk::dialog::chooseDir::tkChooseDirectory { args } {

+    variable value

 

+    # Error messages

+    append err(usage) "tk_chooseDirectory "

+    append err(usage) "?-initialdir directory? ?-mustexist? "

+    append err(usage) "?-parent window? ?-title title?"

+

+    set err(wrongNumArgs) "wrong # args: should be \"$err(usage)\""

+    set err(valueMissing) "value for \"%s\" missing: should be \"$err(usage)\""

+    set err(unknownOpt)   "unknown option \"%s\": should be \"$err(usage)\""

+

+    # Default values

+    set opts(-initialdir)	[pwd]

+    set opts(-mustexist)	0

+    set opts(-parent)		.

+    set opts(-title)		"Choose Directory"

+

+    # Process args

+    set len [llength $args]

+    for { set i 0 } { $i < $len } {incr i} {

+	set flag [lindex $args $i]

+	incr i

+	switch -glob -- $flag {

+	    "-initialdir" {

+		if { $i >= $len } {

+		    error [format $err(valueMissing) $flag]

+		}

+		set opts($flag) [lindex $args $i]

+	    }

+	    "-mustexist" {

+		set opts($flag) 1

+		incr i -1

+	    }

+	    "-parent" {

+		if { $i >= $len } {

+		    error [format $err(valueMissing) $flag]

+		}

+		set opts($flag) [lindex $args $i]

+	    }

+	    "-title" {

+		if { $i >= $len } {

+		    error [format $err(valueMissing) $flag]

+		}

+		set opts($flag) [lindex $args $i]

+	    }

+	    default {

+		error [format $err(unknownOpt) [lindex $args $i]]

+	    }

+	}

+    }

+	    

     # Handle default parent window

-    if {[string compare $parent "."] == 0} {

-	set parent ""

+    if {[string equal $opts(-parent) "."]} {

+	set opts(-parent) ""

     }

 

-    set w [toplevel $parent.choosedirectory]

-    wm title $w $title

+    set w [toplevel $opts(-parent).choosedirectory]

+    wm title $w $opts(-title)

 

     # Commands for various bindings (which follow)

     set okCommand  [namespace code \

-	    [list Done $w ok ::tkChooseDirectory::value($w)]]

+	    [list Done $w ok $opts(-mustexist)]]

 

     set cancelCommand  [namespace code \

-	    [list Done $w cancel ::tkChooseDirectory::value($w)]]

+	    [list Done $w cancel $opts(-mustexist)]]

 

     # Create controls.

     set lbl  [label $w.l -text "Directory name:" -anchor w]

@@ -80,7 +120,7 @@ namespace eval ::tkChooseDirectory {
     grid columnconfigure . 0 -weight 1

     grid columnconfigure . 1 -weight 1

 

-    $ent insert end $initialdir

+    $ent insert end $opts(-initialdir)

 

     # Set bindings

     # <Return> is the same as OK

@@ -93,7 +133,7 @@ namespace eval ::tkChooseDirectory {
     wm protocol $w WM_DELETE_WINDOW $cancelCommand

     

     # Fill listbox and bind for browsing

-    Refresh $lst $initialdir

+    Refresh $lst $opts(-initialdir)

     

     bind $lst <Return> [namespace code [list Update $ent $lst]]

     bind $lst <Double-ButtonRelease-1> [namespace code [list Update $ent $lst]]

@@ -113,13 +153,13 @@ namespace eval ::tkChooseDirectory {
 

     grab release $w

     

-    set dir $::tkChooseDirectory::value($w)

-    unset ::tkChooseDirectory::value($w)

+    set dir $value($w)

+    unset value($w)

     return $dir

 }

 # tkChooseDirectory::tk_chooseDirectory

 

-proc ::tkChooseDirectory::MinSize { w } {

+proc ::tk::dialog::chooseDir::MinSize { w } {

     set geometry [wm geometry $w]

 

     regexp {([0-9]*)x([0-9]*)\+} geometry whole width height

@@ -127,13 +167,21 @@ proc ::tkChooseDirectory::MinSize { w } {
     wm minsize $w $width $height

 }

 

-proc ::tkChooseDirectory::Done { w why varName } {

+proc ::tk::dialog::chooseDir::Done { w why mustexist } {

     variable value

 

     switch -- $why {

 	ok {

-	    # If mustexist, validate with [cd]

+	    # If mustexist, validate value

 	    set value($w) [$w.e get]

+	    if { $mustexist } {

+		if { ![file exists $value($w)] } {

+		    return

+		}

+		if { ![file isdirectory $value($w)] } {

+		    return

+		}

+	    }

 	}

 	cancel {

 	    set value($w) ""

@@ -143,7 +191,7 @@ proc ::tkChooseDirectory::Done { w why varName } {
     destroy $w

 }

 

-proc ::tkChooseDirectory::Refresh { listbox dir } {

+proc ::tk::dialog::chooseDir::Refresh { listbox dir } {

     $listbox delete 0 end

 

     # Find the parent directory; if it is different (ie, we're not

@@ -161,13 +209,13 @@ proc ::tkChooseDirectory::Refresh { listbox dir } {
     }

 }

 

-proc ::tkChooseDirectory::Update { entry listbox } {

+proc ::tk::dialog::chooseDir::Update { entry listbox } {

     set sel [$listbox curselection]

     if { [string equal $sel ""] } {

 	return

     }

     set subdir [$listbox get $sel]

-    if {[string compare $subdir ".."] == 0} {

+    if {[string equal $subdir ".."]} {

 	set fullpath [file dirname [$entry get]]

 	if { [string equal $fullpath [$entry get]] } {

 	    return

@@ -179,18 +227,3 @@ proc ::tkChooseDirectory::Update { entry listbox } {
     $entry insert end $fullpath

     Refresh $listbox $fullpath

 }

-

-# Some test code

-if {[string compare [info script] $argv0] == 0} {

-    catch {rename ::tk_chooseDirectory tk_chooseDir}

-    

-    proc tk_chooseDirectory { args } {

-	uplevel ::tkChooseDirectory::tk_chooseDirectory $args

-    }

-

-    wm withdraw .

-    set dir [tk_chooseDirectory -initialdir [pwd] \

-	    -title "Choose a directory"]

-    tk_messageBox -message "dir:<<$dir>>"

-    exit

-}