CVS log for interchange/code/Widget/imagedir.widget

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Default branch: MAIN

Fix incorrect license in headers GPL v2 -> GPL v2 "or later".  Update copyrights.

Fix incorrect license in headers GPL v2 -> GPL v2 "or later".  Update copyrights.

* Add header and license information

* Add descriptions to widgets

* Add ExtraMeta capability to UserTags.

  If you put an ExtraMeta setting in the CodeDef for the widget, it
  works the same as a meta record of _widget::type, i.e. it is a structure
  like this one for the "imagedir" widget:

    CodeDef imagedir ExtraMeta <<EOM
    {
        _order => [ qw/ follow_symlinks / ],
        follow_symlinks => {
            widget => 'yesno',
            label => 'Follow Symlinks',
            help => 'Set to yes if you want to list all files, \
                    even following symbolic links',
        },
    }
    EOM

  This adds a "Special for imagedir widget" tab in the meta_editor,
  which allows special settings for the widget.

  Can be done in catalog.cfg widgets and global widgets. The actual
  ExtraMeta is a string value which is runtime-interpolated to a
  hash.

  Can be set in Vend::Form native widgets by setting %Vend::Form::ExtraMeta,
  i.e.:

      $Vend::Form::ExtraMeta{text} = {
        _order => [ 'maxlen' },
        maxlen => {
            widget => 'text_4',
            label => 'Maximum length for value',
        }
      };

  Not that it will do any good until the settings are honored by the
  widget. Should be set to an actual reference.

  There is an illustration for the "imagedir" widget as above.

* Add back in the nascent display_filter edit in meta_editor, and
  give help/setting for restrict_allow.

* Remove /o regex modifier so that differing suffixes will work in
  imagedir widget.

	Widget imagedir:

	Added a =None to the file list so one has
	the opportunity to choose an 'empty' value
	if no input is required.

updated LINUXIA branch to 4.9 sources in order to use it as testbed again

	* Move several widgets outboard into code/Widget.

	* These are widgets that have some dependency on foundation/UI
	  setup and are not really generic.

	* Corresponding code removed from UI::Primitive.