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package Wx::Perl::BrowseButton; |
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=head1 NAME |
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Wx::Perl::BrowseButton - a file/directory browse control |
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=head1 SYNOPSIS |
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use Wx::Perl::BrowseButton qw(:everything); |
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my $browse = Wx::Perl::BrowseButton->new |
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( $parent, $id, '/home/mbarbon', $position, $size, wxPL_BROWSE_FILE, |
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$validator ); |
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$browse->SetPath( 'C:\\Program Files' ); |
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my $path = $browse->GetPath |
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EVT_PL_BROWSE_PATH_CHANGED( $handler, $browse->GetId, sub { |
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my( $self, $event ) = @_; |
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print 'New path: ', $event->GetPath; |
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}; |
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=head1 DESCRIPTION |
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This simple control displays a text input field asociated with a browse |
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button. The user can either type the path inside the text field or click |
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the browse button to open a file/directory browser. |
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The control sends a 'path changed' event when either the path is set using |
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the browse dialog or the control loses focus after the contents of the input |
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field have been changed using the keyboard. |
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=cut |
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use strict; |
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use Wx 0.26; |
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use Wx qw(:filedialog :dirdialog wxID_OK wxDefaultValidator); |
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use Wx::Locale qw(:default); |
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use Wx::Event qw(EVT_BUTTON EVT_KILL_FOCUS); |
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use File::Spec 0.80; |
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use base qw(Wx::PlWindow Exporter); |
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our $VERSION = 0.01; |
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our @EXPORT_OK = qw(wxPL_BROWSE_DIR wxPL_BROWSE_FILE |
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EVT_PL_BROWSE_PATH_CHANGED); |
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our %EXPORT_TAGS = ( 'everything' => \@EXPORT_OK, |
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'event' => [ qw(EVT_PL_BROWSE_PATH_CHANGED) ], |
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); |
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=head1 CONSTANTS |
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=over 4 |
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=item wxPL_BROWSE_DIR |
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browse for a directory |
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=item wxPL_BROWSE_FILE browse for a file |
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=back |
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=cut |
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sub wxPL_BROWSE_DIR() { 0x4000 } |
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sub wxPL_BROWSE_FILE() { 0x2000 } |
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my $mask_out = ~( wxPL_BROWSE_DIR | wxPL_BROWSE_FILE ); |
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=head1 EVENTS |
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=over 4 |
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=item EVT_PL_BROWSE_PATH_CHANGED( $handler, $id, $function ) |
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Called when the path is changed using the browse button or the path |
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is typed directly in the input field and the field loses focus. |
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=back |
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=cut |
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my $evt_change = Wx::NewEventType; |
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sub EVT_PL_BROWSE_PATH_CHANGED($$$) { $_[0]->Connect( $_[1], -1, $evt_change, $_[2] ) } |
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=head1 METHODS |
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=head2 new |
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my $browse = Wx::Perl::BrowseButton->new |
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( $parent, $id, $initial_path, $position, $size, $style, $validator ); |
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Creates a new browse button. |
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=cut |
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sub new { |
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my( $class, $parent, $id, $path, $pos, $size, $style, $validator ) = @_; |
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my $self = $class->SUPER::new( $parent, $id, $pos || [-1, -1], |
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$size || [-1, -1], 0 ); |
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$self->SetValidator( $validator || wxDefaultValidator ); |
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$self->{style} = $style; |
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$self->{input} = Wx::TextCtrl->new( $self, -1, $path ); |
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$self->{browse} = Wx::Button->new( $self, -1, gettext( "&Browse" ) ); |
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$self->{old_path} = ''; |
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EVT_BUTTON( $self, $self->{browse}, \&_OnBrowse ); |
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EVT_KILL_FOCUS( $self->{input}, \&_OnFocus ); |
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return $self; |
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} |
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sub DoMoveWindow { |
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my( $self, $x, $y, $w, $h ) = @_; |
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my $browse_x = $w - $self->{browse}->GetSize->x; |
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$self->SUPER::DoMoveWindow( $x, $y, $w, $h ); |
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$self->{browse}->Move( $browse_x, 0 ); |
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$self->{input}->SetSize( 0, 0, $browse_x - 5, -1 ); |
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} |
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sub DoGetBestSize { |
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my( $self ) = @_; |
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my( $bro_bs, $in_bs ) = map { $_->GetBestSize } @{$self}{qw(browse input)}; |
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return Wx::Size->new( $bro_bs->x + $in_bs->x + 5, |
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$bro_bs->y > $in_bs->y ? $bro_bs->y : $in_bs->y ); |
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} |
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sub Enable { |
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my( $self, $enable ) = @_; |
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$self->{browse}->Enable( $enable ); |
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$self->{input}->Enable( $enable ); |
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return $self->SUPER::Enable( $enable ); |
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} |
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=head2 GetPath |
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my $path = $browse->GetPath; |
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Returns the path currently displayed in the input field. |
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=head2 SetPath |
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$browse->SetPath( $path ); |
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Sets the path displayed in the input field. It does not send a 'path changed' |
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event. |
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=cut |
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sub GetPath { |
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my $self = shift; |
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return $self->{input}->GetValue; |
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} |
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sub SetPath { |
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my( $self, $value ) = @_; |
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$self->{input}->SetValue( $value ); |
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$self->{old_path} = $value; |
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} |
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sub _OnFocus { |
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my( $input, $event ) = @_; |
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my $self = $input->GetParent; |
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if( $self->GetPath ne $self->{old_path} ) { |
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my $event = |
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Wx::Perl::BrowseButton::Event->new( $evt_change, $self->GetId ); |
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$event->SetPath( $self->GetPath ); |
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$self->GetEventHandler->ProcessEvent( $event ); |
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$self->{old_path} = $self->GetPath; |
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} |
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} |
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sub _OnBrowse { |
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my( $self, $event ) = @_; |
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my( $dir, $file ) = ( '', '' ); |
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if( length $self->GetPath ) { |
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if( $self->{style} & wxPL_BROWSE_DIR ) { |
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$dir = $self->GetPath; |
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} else { |
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my( $v, $d, $f ) = |
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File::Spec->splitpath( $self->GetPath ); |
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$file = $f; |
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$dir = File::Spec->catpath( $d, $f, '' ); |
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} |
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} |
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my $dialog; |
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if( $self->{style} & wxPL_BROWSE_DIR ) { |
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$dialog = Wx::DirDialog->new( $self, gettext( "Choose a directory" ), |
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$dir, $self->{style} & $mask_out ); |
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} else { |
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$dialog = Wx::FileDialog->new( $self, gettext( "Choose a file" ), |
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$dir, $file, |
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wxFileSelectorDefaultWildcardStr, |
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$self->{style} & $mask_out ); |
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} |
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if( $dialog->ShowModal == wxID_OK ) { |
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my $event = |
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Wx::Perl::BrowseButton::Event->new( $evt_change, $self->GetId ); |
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$self->SetPath( $dialog->GetPath ); |
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$event->SetPath( $dialog->GetPath ); |
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$self->GetEventHandler->ProcessEvent( $event ); |
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} |
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} |
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220
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package Wx::Perl::BrowseButton::Event; |
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222
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use strict; |
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use base qw(Wx::PlCommandEvent); |
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225
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sub new { |
226
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my( $class, $type, $id ) = @_; |
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my $self = $class->SUPER::new( $type, $id ); |
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return $self; |
230
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|
|
|
|
|
|
} |
231
|
|
|
|
|
|
|
|
232
|
|
|
|
|
|
|
sub SetPath { $_[0]->{path} = $_[1] } |
233
|
|
|
|
|
|
|
sub GetPath { $_[0]->{path} } |
234
|
|
|
|
|
|
|
|
235
|
|
|
|
|
|
|
1; |
236
|
|
|
|
|
|
|
|
237
|
|
|
|
|
|
|
__END__ |