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-
- =head1 NAME
-
- Tk::DirTree - Create and manipulate DirTree widgets
-
- =for pm Tixish/DirTree.pm
-
- =for category Tix Extensions
-
- =head1 SYNOPSIS
-
- S< >B<use Tk::DirTree;>
-
- S< >I<$dirtree> = I<$parent>-E<gt>B<DirTree>(?I<options>?);
-
- =head1 SUPER-CLASS
-
- The B<DirTree> class is derived from the L<Tree|Tk::Tree> class and inherits
- all the methods, options and subwidgets of its super-class.
-
- =head1 STANDARD OPTIONS
-
- B<Tree> supports all the standard options of a Tree widget. See
- L<Tk::options> for details on the standard options.
-
- =head1 WIDGET-SPECIFIC OPTIONS
-
- =over 4
-
- =item Name: B<browseCmd>
-
- =item Class: B<BrowseCmd>
-
- =item Switch: B<-browsecmd>
-
- Specifies a L<callback|Tk::callbacks> to call whenever the user browses on a directory
- (usually by single-clicking on the name of the directory). The callback
- is called with one argument, the complete pathname of the directory.
-
- =item Name: B<command>
-
- =item Class: B<Command>
-
- =item Switch: B<-command>
-
- Specifies the L<callback|Tk::callbacks> to be called when the user activates on a directory
- (usually by double-clicking on the name of the directory). The callback
- is called with one argument, the complete pathname of the directory.
-
- =item Name: B<dircmd>
-
- =item Class: B<DirCmd>
-
- =item Switch: B<-dircmd>
-
- Specifies the L<callback|Tk::callbacks> to be called when a directory listing is needed
- for a particular directory. If this option is not specified, by
- default the DirTree widget will attempt to read the directory as a
- Unix directory. On special occasions, the application programmer may
- want to supply a special method for reading directories: for example,
- when he needs to list remote directories. In this case, the B<-dircmd>
- option can be used. The specified callback accepts two arguments: the
- first is the name of the directory to be listed; the second is a
- Boolean value indicating whether hidden sub-directories should be
- listed. This callback returns a list of names of the sub-directories of
- this directory. For example:
-
- sub read_dir {
- my( $dir, $showhidden ) = @_;
- return( qw/DOS NORTON WINDOWS/ ) if $dir eq "C:\\";
- return();
- }
-
- =item Name: B<showHidden>
-
- =item Class: B<ShowHidden>
-
- =item Switch: B<-showhidden>
-
- Specifies whether hidden directories should be shown. By default, a
- directory name starting with a period "." is considered as a hidden
- directory. This rule can be overridden by supplying an alternative
- B<-dircmd> option.
-
- =item Name: B<directory>
-
- =item Class: B<Directory>
-
- =item Switch: B<-directory>
-
- =item Alias: B<-value>
-
- Specifies the name of the current directory to be displayed in the
- DirTree widget.
-
- =back
-
- =head1 DESCRIPTION
-
- The B<DirTree> constructor method creates a new window (given by the $dirtree
- argument) and makes it into a DirTree widget. Additional options,
- described above, may be specified on the command line or in the
- option database to configure aspects of the DirTree such as its
- cursor and relief. The DirTree widget displays a list view of a
- directory, its previous directories and its sub-directories. The
- user can choose one of the directories displayed in the list or
- change to another directory.
-
- =head1 WIDGET METHODS
-
- The B<DirTree> method creates a widget object.
- This object supports the B<configure> and B<cget> methods
- described in L<Tk::options> which can be used to enquire and
- modify the options described above.
- The widget also inherits all the methods provided by the generic
- L<Tk::Widget|Tk::Widget> class.
-
- The following additional methods are available for DirTree widgets:
-
- =over 4
-
- =item I<$dirtree>-E<gt>B<chdir>(I<dir>)
-
- Change the current directory to I<dir>.
-
- =back
-
- =head1 BINDINGS
-
- The mouse and keyboard bindings of the DirTree widget are the same as
- the bindings of the L<Tree|Tk::Tree> widget.
-
- =head1 KEYWORDS
-
- directory, tree, tix
-
- =head1 SEE ALSO
-
- L<Tk::Tree|Tk::Tree>
- L<Tk::HList|Tk::HList>
-
- =head1 AUTHOR
-
- Perl/TK version by Chris Dean <ctdean@cogit.com>. Original Tcl/Tix
- version by Ioi Kim Lam.
-
- =cut
-
-