# Change header 2.pl: following James: http://www.perlmonks.org/?node_id=1025552

use strict;
use warnings;
use Wx;
 use 5.014;
 use autodie; 
 use Carp;
 use Carp qw {cluck};
 use Carp::Always; 

package MyFrame;
   use Wx ':everything';
   use Wx ':listctrl';
   use Wx::Event 'EVT_BUTTON';
   use parent -norequire, 'Wx::Frame';
   sub new { 	#1	MyFrame::
	   my ($class, $parent, $title) = @_;
      my $self = $class->SUPER::new(
         $parent,	-1, 		# parent window; ID -1 means any
         $title,  # title
         [150, 150 ],	# position
         [ 350, 400 ],	# size
      );
      my $panel = Wx::Panel->new($self);
		my $itemCol = Wx::ListItem->new;
		$itemCol->SetText('Column 1');
		my $f = Wx::Font->new(12, -1, wxNORMAL, wxBOLD, 0, 'Arial');
		$itemCol->SetFont($f);
      $self->{list_control} = 
					Wx::ListCtrl->new($panel, -1, wxDefaultPosition, [320,100], wxLC_REPORT);	# create a list control
		$self->{list_control}->InsertColumn(0, $itemCol);
		$self->{list_control}->SetColumnWidth(0, 100);
		$itemCol->SetText('Column 2');
		$self->{list_control}->InsertColumn(1, $itemCol);
		$self->{list_control}->SetColumnWidth(1, 100);
		$itemCol->SetText('Column 3');
		$self->{list_control}->InsertColumn(2, $itemCol);
		$self->{list_control}->SetColumnWidth(2, 100);
		$self->{list_control}->InsertStringItem( 0, 'Data 1' );
		$self->{list_control}->SetItem( 0, 1, 'Data 3');
		$self->{list_control}->InsertStringItem( 1, 'Data 2' );
		$self->{list_control}->SetItem( 1, 1, 'Data 4');
		my $btn_header = Wx::Button->new($panel, -1, 'Change header', wxDefaultPosition, wxDefaultSize);
		my $btn_item = Wx::Button->new($panel, -1, 'Change item font', wxDefaultPosition, wxDefaultSize);
		my $btn_header2 = Wx::Button->new($panel, -1, 'Change header2 font', wxDefaultPosition, wxDefaultSize);
		EVT_BUTTON ($self, $btn_header, sub { $self->{list_control}->MyFrame::on_header });
		EVT_BUTTON ($self, $btn_item, sub { $self->{list_control}->MyFrame::on_item });
		EVT_BUTTON ($self, $btn_header2, sub { $self->{list_control}->MyFrame::on_item });
      my $sizer = Wx::BoxSizer->new(wxVERTICAL);
      $sizer->Add($self->{list_control}, 0, wxALL, 10);
		$sizer->Add($btn_header, 0, wxALL, 10);
		$sizer->Add($btn_item, 0, wxALL, 10);
		$sizer->Add($btn_header2, 0, wxALL, 10);
      $panel->SetSizer($sizer);
      $panel->Layout();
		return $self;
   }	#1 end sub new MyFrame::
	
	sub on_header {
		my $this = shift;
		say 'In on_header';
		my $column = $this->GetColumn(1);
		say '$column->GetText =', $column->GetText;
		$column->SetMask(wxLIST_MASK_TEXT);
		$column->SetText('NEW TITLE');
		my $f = Wx::Font->new(12, -1, wxNORMAL, wxBOLD, 0, 'times new roman');
		$column->SetFont($f);
		$this->SetColumn(1, $column);
	} #1	end sub on_header
	sub on_item {
		my $this = shift;
		say 'In on_item';
		my $item = $this->GetItem(1);
		my $f = Wx::Font->new(12, -1, wxNORMAL, wxBOLD, 0, 'times new roman');
		say "In on_item, \$this= $this, \$item = $item, \$f= $f";
      $item->SetFont($f);
		$this->SetItem($item);
	} #1	end sub on_item
	sub on_header2 {
		my $this = shift;
		say 'In on_header2';
		my $itemCol = Wx::ListItem->new;
		$itemCol->SetText('Column 2');
		my $f = Wx::Font->new(12, -1, wxNORMAL, wxBOLD, 0, 'Arial');
		$itemCol->SetFont($f);
		$this->SetColumn(1, $itemCol);
	} #1	end sub on_header2
# end package MyFrame::		

package main;
my $frame = MyFrame->new(undef, 'Setting headers');
$frame->Show(1);   
my $app = Wx::SimpleApp->new;
$app->MainLoop;

1;