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package Tk::Tree;
# Tree -- TixTree widget
#
# Derived from Tree.tcl in Tix 4.1
#
# Chris Dean <ctdean@cogit.com>
use vars qw($VERSION);
$VERSION = '4.005'; # $Id: //depot/Tkutf8/Tixish/Tree.pm#5 $
use Tk ();
use Tk::Derived;
use Tk::HList;
use base qw(Tk::Derived Tk::HList);
use strict;
Construct Tk::Widget 'Tree';
sub Tk::Widget::ScrlTree { shift->Scrolled('Tree' => @_) }
sub Populate
{
my( $w, $args ) = @_;
$w->SUPER::Populate( $args );
$w->ConfigSpecs(
-ignoreinvoke => ['PASSIVE', 'ignoreInvoke', 'IgnoreInvoke', 0],
-opencmd => ['CALLBACK', 'openCmd', 'OpenCmd', 'OpenCmd' ],
-indicatorcmd => ['CALLBACK', 'indicatorCmd', 'IndicatorCmd', 'IndicatorCmd'],
-closecmd => ['CALLBACK', 'closeCmd', 'CloseCmd', 'CloseCmd'],
-indicator => ['SELF', 'indicator', 'Indicator', 1],
-indent => ['SELF', 'indent', 'Indent', 20],
-width => ['SELF', 'width', 'Width', 20],
-itemtype => ['SELF', 'itemtype', 'Itemtype', 'imagetext'],
-foreground => ['SELF'],
);
}
sub autosetmode
{
my( $w ) = @_;
$w->setmode();
}
sub IndicatorCmd
{
my( $w, $ent, $event ) = @_;
my $mode = $w->getmode( $ent );
if ( $event eq '<Arm>' )
{
if ($mode eq 'open' )
{
$w->_indicator_image( $ent, 'plusarm' );
}
else
{
$w->_indicator_image( $ent, 'minusarm' );
}
}
elsif ( $event eq '<Disarm>' )
{
if ($mode eq 'open' )
{
$w->_indicator_image( $ent, 'plus' );
}
else
{
$w->_indicator_image( $ent, 'minus' );
}
}
elsif( $event eq '<Activate>' )
{
$w->Activate( $ent, $mode );
$w->Callback( -browsecmd => $ent );
}
}
sub close
{
my( $w, $ent ) = @_;
my $mode = $w->getmode( $ent );
$w->Activate( $ent, $mode ) if( $mode eq 'close' );
}
sub open
{
my( $w, $ent ) = @_;
my $mode = $w->getmode( $ent );
$w->Activate( $ent, $mode ) if( $mode eq 'open' );
}
sub getmode
{
my( $w, $ent ) = @_;
return( 'none' ) unless $w->indicatorExists( $ent );
my $img = $w->_indicator_image( $ent );
return( 'open' ) if( $img eq 'plus' || $img eq 'plusarm' );
return( 'close' );
}
sub setmode
{
my ($w,$ent,$mode) = @_;
unless (defined $mode)
{
$mode = 'none';
my @args;
push(@args,$ent) if defined $ent;
my @children = $w->infoChildren( @args );
if ( @children )
{
$mode = 'close';
foreach my $c (@children)
{
$mode = 'open' if $w->infoHidden( $c );
$w->setmode( $c );
}
}
}
if (defined $ent)
{
if ( $mode eq 'open' )
{
$w->_indicator_image( $ent, 'plus' );
}
elsif ( $mode eq 'close' )
{
$w->_indicator_image( $ent, 'minus' );
}
elsif( $mode eq 'none' )
{
$w->_indicator_image( $ent, undef );
}
}
}
sub Activate
{
my( $w, $ent, $mode ) = @_;
if ( $mode eq 'open' )
{
$w->Callback( -opencmd => $ent );
$w->_indicator_image( $ent, 'minus' );
}
elsif ( $mode eq 'close' )
{
$w->Callback( -closecmd => $ent );
$w->_indicator_image( $ent, 'plus' );
}
else
{
}
}
sub OpenCmd
{
my( $w, $ent ) = @_;
# The default action
foreach my $kid ($w->infoChildren( $ent ))
{
$w->show( -entry => $kid );
}
}
sub CloseCmd
{
my( $w, $ent ) = @_;
# The default action
foreach my $kid ($w->infoChildren( $ent ))
{
$w->hide( -entry => $kid );
}
}
sub Command
{
my( $w, $ent ) = @_;
return if $w->{Configure}{-ignoreInvoke};
$w->Activate( $ent, $w->getmode( $ent ) ) if $w->indicatorExists( $ent );
}
sub _indicator_image
{
my( $w, $ent, $image ) = @_;
my $data = $w->privateData();
if (@_ > 2)
{
if (defined $image)
{
$w->indicatorCreate( $ent, -itemtype => 'image' )
unless $w->indicatorExists($ent);
$data->{$ent} = $image;
$w->indicatorConfigure( $ent, -image => $w->Getimage( $image ) );
}
else
{
$w->indicatorDelete( $ent ) if $w->indicatorExists( $ent );
delete $data->{$ent};
}
}
return $data->{$ent};
}
1;
__END__
# 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.
#
# The file man.macros and some of the macros used by this file are
# copyrighted: (c) 1990 The Regents of the University of California.
# (c) 1994-1995 Sun Microsystems, Inc.
# The license terms of the Tcl/Tk distrobution are in the file
# license.tcl.
=cut
|
