source: extensions/pLoader/trunk/src/Uploader/GUI/wxApp.pm @ 4138

# +-----------------------------------------------------------------------+
# | pLoader - a Perl photo uploader for Piwigo                            |
# +-----------------------------------------------------------------------+
# | Copyright(C) 2008      Piwigo Team                  http://piwigo.org |
# +-----------------------------------------------------------------------+
# | This program is free software; you can redistribute it and/or modify  |
# | it under the terms of the GNU General Public License as published by  |
# | the Free Software Foundation                                          |
# |                                                                       |
# | This program is distributed in the hope that it will be useful, but   |
# | WITHOUT ANY WARRANTY; without even the implied warranty of            |
# | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
# | General Public License for more details.                              |
# |                                                                       |
# | You should have received a copy of the GNU General Public License     |
# | along with this program; if not, write to the Free Software           |
# | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
# | USA.                                                                  |
# +-----------------------------------------------------------------------+
package Uploader::GUI::wxApp;
use strict;
use base qw/Wx::App Class::Accessor::Fast/;    
use Wx qw/
             wxBITMAP_TYPE_GIF 
             wxBITMAP_TYPE_ICO 
             wxBITMAP_TYPE_BMP 
             wxBITMAP_TYPE_PNG 
             wxBITMAP_TYPE_JPEG
             wxIMAGE_QUALITY_NORMAL
             wxIMAGE_QUALITY_HIGH
             wxSPLASH_CENTRE_ON_SCREEN 
             wxSPLASH_TIMEOUT
             wxDefaultPosition 
             wxDefaultSize 
             wxSIMPLE_BORDER 
             wxFRAME_TOOL_WINDOW
             wxFRAME_NO_TASKBAR wxSTAY_ON_TOP
             wxWHITE
             wxICON_EXCLAMATION
             wxOK 
             wxLANGUAGE_CHINESE_SIMPLIFIED   
             wxLANGUAGE_CZECH   
             wxLANGUAGE_DANISH   
             wxLANGUAGE_DUTCH   
             wxLANGUAGE_ENGLISH   
             wxLANGUAGE_FRENCH   
             wxLANGUAGE_GERMAN   
             wxLANGUAGE_HUNGARIAN
             wxLANGUAGE_ITALIAN   
             wxLANGUAGE_JAPANESE   
             wxLANGUAGE_POLISH   
             wxLANGUAGE_PORTUGUESE   
             wxLANGUAGE_PORTUGUESE_BRAZILIAN   
             wxLANGUAGE_RUSSIAN   
             wxLANGUAGE_SLOVAK   
             wxLANGUAGE_SPANISH   
         /;
use Uploader::GUI::wxFrameAUI;
use File::Slurp ;
use Data::Dumper;
use Storable;
use File::HomeDir;
use File::Spec;
use Uploader::PWG;
use Uploader::ImageList;
use Uploader::GUI::wxLoginDlg;
use Wx::Locale qw/:default/;
use utf8;

$|=1;

__PACKAGE__->mk_accessors( 
    qw/
          pwg
          site_url
          site_username
          site_password
          http_username
          http_password
          rejects
          imagelist
          storable_file
          wx_thumb_dir
          resized_dir
          preview_dir
          userdata_dir
          resized_dir
          thumb_dir
          conf_file
          layout_file
          locale
          current_language
          languages
          available_languages
          version
          imagelist_version
          use_offline
          login_dlg
          branding
          frame
          perspective
          imageviewerIndex
          frameLayout
          chunk_size
          layout_clean
      / 
);

sub FilterEvent {
    my( $self, $event ) = @_;
    
    Wx::LogMessage "EventType %s", $event->GetEventType();
    
    return -1;
}


sub OnInit {
    my( $self ) = @_;
    
    $self->version(
        '2.0.5b'
    );
    
    # to check if we can use stored cache
    $self->imagelist_version(
        '7'
    );

    $self->languages(
      [
             ["中文 (%s)", wxLANGUAGE_CHINESE_SIMPLIFIED, 'Chinese simplified'],   
             ["Česky (%s)", wxLANGUAGE_CZECH, 'Czech'],   
             ["Dansk (%s)", wxLANGUAGE_DANISH, 'Danish'],   
             ["Deutsch (%s)", wxLANGUAGE_GERMAN, 'German'],   
             ["English (%s)", wxLANGUAGE_ENGLISH, 'English'],   
             ["Español (%s)", wxLANGUAGE_SPANISH, 'Spanish'],   
             ["Français (%s)", wxLANGUAGE_FRENCH, 'French'],   
             ["Italiano (%s)", wxLANGUAGE_ITALIAN, 'Italian'],   
             ["日本語 (にほんご) (%s)", wxLANGUAGE_JAPANESE, 'Japanese'],   
             ["Magyar (%s)", wxLANGUAGE_HUNGARIAN, 'Hungarian'],
             ["Nederlands (%s)", wxLANGUAGE_DUTCH, 'Dutch'],   
             ["Polski (%s)", wxLANGUAGE_POLISH, 'Polish'],   
             ["Português Brasileiro (%s)", wxLANGUAGE_PORTUGUESE_BRAZILIAN, 'Portuguese Brazil'],   
             ["Português Portugal (%s)", wxLANGUAGE_PORTUGUESE, 'Portuguese Portugal'],   
             ["Русский (%s)", wxLANGUAGE_RUSSIAN, 'Russian'],
             ["Slovenčina (%s)", wxLANGUAGE_SLOVAK, 'Slovak'],
      ]
    );
    # some languages may be unavailable due to system configuration.
    $self->_filter_available_languages;
    Wx::InitAllImageHandlers();
    my $applicationName = "pLoader" ;
    $self->SetAppName( $applicationName );
    $self->SetVendorName( "Piwigo Team" );

    $self->{IMGTYPE} = {
        'jpg' => wxBITMAP_TYPE_JPEG,
        'gif' => wxBITMAP_TYPE_GIF,
        'png' => wxBITMAP_TYPE_PNG,
    };

    $self->_init_userdir;

    my $conf = retrieve $self->conf_file if -e $self->conf_file;        

    if(defined $conf ){
        $self->SetKeyValues($conf);
    }
    else {
        $self->_readParams( 'pLoader.ini' ) unless defined $conf ;
    }

    # when language is switched, need a new layout
    unlink $self->layout_file if $self->layout_clean;
    $self->layout_clean(0);

    my $layout = retrieve $self->layout_file if -e $self->layout_file;  
    if(defined $layout ){
        $self->SetKeyValues($layout);
    }


    $self->site_url(
        $self->{site_url}
    );
    

    $self->site_username(
        $self->{site_username}
    );
    $self->site_password(
        $self->{site_password}
    );

    $self->http_username(
        $self->{http_username}
    );
    $self->http_password(
        $self->{http_password}
    );


    $self->current_language(
        $self->{current_language}||Wx::Locale::GetSystemLanguage()
    );

    $self->chunk_size(
        $self->{chunk_size}||500_000
    );
    
    $self->init_locale;

    my $not_exit = $self->Login();
    # user pressed OK
    if($not_exit){
        $self->StoreConnectionProperties;
        if( !$self->use_offline ){
            while( $not_exit and !$self->_is_connected ){
                $not_exit = $self->Login();
                last if $self->use_offline;
            }
        }
        $self->_init_imagelist;
        $self->_init_thumbimagelist;
        $self->_init_frame;
    }

    $not_exit;
}

sub _filter_available_languages {
    my ( $self ) = @_;

    # check if the locale can be set and the translation catalog available
    $self->available_languages(
        [
            grep {$_} 
            map{
                            #  a locale may be unavailable due to system limitations ( ex: chinese, japanese when language pack are not installed )
                            if(Wx::Locale::IsAvailable($_->[1])){
                            my $locale = Wx::Locale->new($_->[1]);
                            $locale->AddCatalogLookupPathPrefix('../locale');
                            $_ if $locale->AddCatalog('pLoader');
                                }
            }
            @{$self->languages}
        ]
    );
}

sub _is_connected {
    my ( $self ) = @_;

    my $is_connected;

    if($self->pwg->login_result->{stat} eq 'ok'){
        $is_connected = 1;
    }
    else{
        Wx::MessageBox( 
            sprintf(
                "%s\n\n%s %s %s",
                $self->pwg->login_result->{message},
                gettext("Connection to"),
                $self->site_url,
                gettext("failed"),
            ),
            gettext("Piwigo login error"),
            wxOK | wxICON_EXCLAMATION, 
        );
    }
    
    $is_connected;
}


my $locale;
sub init_locale {
    my ( $self, $language ) = @_;
    
    $self->current_language(
        $language
    ) if defined $language;

    undef $locale;
    $locale = Wx::Locale->new(
        $self->current_language
    );
    $locale->AddCatalogLookupPathPrefix( '../locale');
    if(!$locale->AddCatalog( 'pLoader.mo' )){
        Wx::LogMessage gettext("Cannot find translation catalog files for %s. Use default language"), $locale->GetCanonicalName();
    }
    $self->locale($locale);     
}

sub StoreConnectionProperties {
    my ( $self ) = @_;

    eval {    
        store( 
            {
                map{
                   $_ => $self->{$_},
                }
                qw/
                    site_url
                    site_username
                    site_password
                    http_username
                    http_password
                    current_language
                    chunk_size
                    layout_clean
                /
            },
            $self->conf_file
        );
    };
}

sub StoreLayoutProperties {
    my ( $self ) = @_;

    eval {    
        store( 
            {
                map{
                   $_ => $self->{$_},
                }
                qw/
                      perspective
                      imageviewerIndex
                      frameLayout
                /
            },
            $self->layout_file
        );
    };
}

sub _init_imagelist {
    my ( $self ) = @_;  

    my $stored_imagelist;
    
    my $use_new_imagelist;
    
    if( -e $self->storable_file ){
        eval {
            $stored_imagelist = retrieve $self->storable_file;
        };
        if($@){
            Wx::LogMessage(
                gettext("An error has occured. Can not read %s\n%s"),
                $self->storable_file,
                $@
            );
            $use_new_imagelist = 1 ;
        }
        # should have a valid imagelist
        else{
            $use_new_imagelist = 1 unless $self->imagelist_version eq $stored_imagelist->{imagelist_version};
            if($use_new_imagelist){
                Wx::LogMessage(gettext("pLoader has to reset image cache."));
            }
        }
    }
    else{
        $use_new_imagelist = 1 ;
    }

    if($use_new_imagelist){
        $stored_imagelist = $self->_default_imagelist_params ;
    }


    $self->imagelist(
        Uploader::ImageList->new(
            $stored_imagelist
        )
    );

    $self->imagelist->RescaleCallback(
        sub { $self->RescaleImage(@_) }
    );

    $self->imagelist->ResizeCallback(
        sub { $self->ResizeImage(@_) }
    );

    $self->imagelist->YieldCallback(
        sub { Wx::Yield }
    );
}


sub _default_imagelist_params {
    my ( $self ) = @_ ;

    my $params = {
        new_files        => [],
        thumb_size       => 120,
        site_thumb_dir   => $self->thumb_dir,
        wx_thumb_size    => 120,
        wx_thumb_dir     => $self->wx_thumb_dir,
        preview_ratio    => 25, 
        preview_dir      => $self->preview_dir,
        resize_w         => 800,
        resize_h         => 600,
        site_resized_dir => $self->resized_dir,
        type             => 'jpg',
        filter           => 'Lanczos',
        blur             => 0.9,
        quality          => 95,
        wx_quality       => 80,
        th_quality       => 90,
        auto_rotate      => 1,
        remove_uploaded_from_selection => 1,
        interlace        => 'Line',
        create_resized   => 1,
        use_exif_preview => 1,
        prefix           => 'TN',
        count            => 0,
        storable_file    => $self->storable_file,
        userdata_dir     => $self->userdata_dir,
        default_photo_name => gettext('File name'),
        default_name_prefix => gettext('Photo '),
        upload_rejects   =>  [],
        image_sums       => {},
        sums             => [],
        version          => $self->version,
        imagelist_version => $self->imagelist_version,
        RescaleCallback  => sub { $self->RescaleImage(@_) },
        ResizeCallback   => sub { $self->ResizeImage(@_) },
        watermark_text => gettext("my watermark"),
        watermark_text_size => 12,
        watermark_position => gettext("Center"),
        watermark_y => 10,
        watermark_x => 10,
        watermark_color => gettext("White"),
    };

    return $params;
}

sub Login {
    my ( $self ) = @_;  

    $self->login_dlg( 
        Uploader::GUI::wxLoginDlg->new(
            {
                title         => gettext("Piwigo login"),
                site_url      => sub { $self->site_url(@_) },
                site_username => sub { $self->site_username(@_) },      
                site_password => sub { $self->site_password(@_) },
                use_offline   => sub { $self->use_offline(@_) },        
            }
        )
    ) unless $self->login_dlg;

    my $icon = Wx::Icon->new();
    $icon->LoadFile('../res/favicon.ico', wxBITMAP_TYPE_ICO);
    $self->login_dlg->SetIcon($icon);   

    
    my $rval = $self->login_dlg->ShowModal();
    $self->login_dlg->Show(0);

    $self->_init_branding;
    
    if ($self->site_url !~ /^http:/){
        $self->site_url(
            sprintf(
                "http://%s",
                $self->site_url
            )
        );      
    }

    $self->pwg(
        # get these parameters from dialog or from file
        Uploader::PWG->new(
            {
                site_url       => $self->site_url,
                site_username  => $self->site_username,
                site_password  => $self->site_password,
                http_username  => $self->http_username,
                http_password  => $self->http_password,
                branding       => $self->branding,
                chunk_size     => $self->chunk_size,
                use_offline    => $self->use_offline,
            }
        )
    );

    $rval;
}

sub _init_userdir {
    my ( $self ) = @_;
    
    my $applicationName = $self->GetAppName ;
    my $userdatadir = File::Spec->canonpath(
        File::Spec->catfile(
            File::HomeDir->my_data(), 
            "\.$applicationName"
        )
    );

    if(! -d $userdatadir){
        if(! mkdir $userdatadir){
            Wx::MessageBox( 
                sprintf(
                    "%s directory creation failed",
                    $userdatadir,
                ),
                "pLoader working directory creation error",
                wxOK | wxICON_EXCLAMATION, 
            );

            $userdatadir = File::Spec->canonpath(
                File::Spec->catfile(
                    File::Spec->tmpdir(), 
                    "\.$applicationName"
                )
            );
            mkdir $userdatadir;
        }       
    }

    $self->userdata_dir($userdatadir);
    
    $self->conf_file(
        File::Spec->catfile(
            $self->userdata_dir, 
            ".$applicationName.conf"
        )
    );

    $self->layout_file(
        File::Spec->catfile(
            $self->userdata_dir, 
            ".$applicationName.layout"
        )
    );

    $self->storable_file(
        File::Spec->catfile($self->userdata_dir, 'pLoader.dat')
    );
    
    my $thumbdir = File::Spec->catfile($self->userdata_dir, 'thumbnails');
    mkdir $thumbdir unless -d $thumbdir ;
    $self->thumb_dir($thumbdir);

    my $wxthumbdir = File::Spec->catfile($self->userdata_dir, 'wxthumbnails');
    mkdir $wxthumbdir unless -d $wxthumbdir ;
    $self->wx_thumb_dir($wxthumbdir);


    my $resizedir = File::Spec->catfile($self->userdata_dir, 'resize');
    mkdir $resizedir unless -d $resizedir ;
    $self->resized_dir($resizedir);

    my $previewdir = File::Spec->catfile($self->userdata_dir, 'preview');
    mkdir $previewdir unless -d $previewdir ;
    $self->preview_dir($previewdir);

        
}

sub _init_thumbimagelist {
    my ( $self ) = @_;

    
    $self->imagelist->wx_thumb_imglist(
        Wx::ImageList->new( 
            $self->imagelist->wx_thumb_size, 
            $self->imagelist->wx_thumb_size, 
            1,
            0
        )
    );
    
    # reload images 
    $self->_reload_thumb_images;
}


sub _reload_thumb_images {
    my ( $self ) = @_;
    
    my $wximagelist = $self->imagelist->wx_thumb_imglist;
    my $sums = $self->imagelist->sums;

    map {
        my $image = $self->imagelist->image_sums->{$_};

        $wximagelist->Add(
            Wx::Bitmap->new( 
                $image->wx_thumb_file, 
                $self->GetWxBitmapType($self->imagelist->type), 
            )
        );
    }
    @$sums ;

}

sub GetWxBitmapType {
    my ( $self, $type ) = @_;
    
    $self->{IMGTYPE}->{$type};
}


sub RescaleImage {
    my ( $self, $image_file, $image_file_out, $type, $ratio, $width, $height, $quality ) = @_;
   

    my $image = Wx::Image->new(
            $image_file, 
            $self->GetWxBitmapType($type),
            0
    );
    
    my $w;
    my $h;

    my $img_w = $image->GetWidth;
    my $img_h = $image->GetHeight;
    
    # use a ratio ( 25% default ) if defined
    # default ratio is used for preview.
    if($ratio){
        $w = $ratio*$img_w/100 ;
        $h = $ratio*$img_h/100 ;
    }
    # use specified width and height
    else{
        # portrait
        if( $img_w < $img_h ){
            $w = $height;
        }
        else{
            $w = $width;
        }
        # to respect aspect ratio
        $h = sprintf(
            "%.0f",
            ($w*$img_h)/$img_w
        );
    }

    $image->Rescale(
        $w,
        $h,
        wxIMAGE_QUALITY_HIGH
    );
    
    $quality ||= 90;
    
    $image->SetOption( 
        "quality", 
        $quality 
    );
    
    if(!$image->SaveFile(
        $image_file_out,
        $self->GetWxBitmapType($type),
    )){
        Wx::LogMessage(
            gettext("An error has occured. Can not save file %s"),
            $image_file_out,
        )
    };
}

sub ResizeImage {
    my ( $self, $image_file, $image_file_out, $type, $width, $height, $quality ) = @_;
   

    my $image = Wx::Image->new(
            $image_file, 
            $self->GetWxBitmapType($type),
            0
    );

    my $w;
    my $h;

    my $img_w = $image->GetWidth;
    my $img_h = $image->GetHeight;
    
        # portrait
        if( $img_w < $img_h ){
            $w = $height;
        }
        else{
            $w = $width;
        }
        # to respect aspect ratio
        $h = sprintf(
            "%.0f",
            ($w*$img_h)/$img_w
        );

    

    $image->Rescale(
        $w,
        $h,
        wxIMAGE_QUALITY_HIGH
    );

    $image->Resize(
        [ $width, $height ], [ 0, 20],
    );
    
    $quality ||= 90;
    
    $image->SetOption( 
        "quality", 
        $quality 
    );
    
    if(!$image->SaveFile(
        $image_file_out,
        $self->GetWxBitmapType($type),
    )){
        Wx::LogMessage(
            gettext("An error has occured. Can not save file %s"),
            $image_file_out,
        )
    };
}

# some labels differ with branding ( piwigo.com or piwigo.org )
sub _init_branding {
    my ( $self ) =@_;
    
    if( $self->site_url =~ /\.piwigo\.com/ ){
        $self->branding(
            {
                category  => gettext("album"),  
                Category  => gettext("Album"),  
                categories => gettext("albums"),        
                Categories => gettext("Albums"),
                'Add new category' => gettext("Add new album"), 
                'Category name' => gettext("Album name :"),
                'New category' => gettext("New album"),
            }
        );
    }
    else{
        $self->branding(
            {
                category  => gettext("categorie"),      
                Category  => gettext("Categorie"),      
                categories => gettext("categories"),    
                Categories => gettext("Categories"),    
                'Add new category' => gettext("Add new category"),
                'Category name' => gettext("Category name :"),
                'New category' => gettext("New category"),
            }
        );
    }   
}

sub SaveConfig {
    my ( $self, $params ) = @_; 

   my $config = Wx::ConfigBase::Get;

   map {
       $config->WriteInt( $_, $params->{$_} )
   } keys %$params;

   $config->Write( 'Perspective', $params->{Perspective} )
        
}


sub _init_frame {
    my ( $self ) = @_;  

    my $url = $self->site_url;
    
    if($self->use_offline){
        $url = gettext("Work Offline");
    }

    $self->frame(
        Uploader::GUI::wxFrameAUI->new( 
            {
                title     => sprintf("pLoader - Piwigo uploader %s - [%s]", $self->version, $url),
                pwg       => $self->pwg,
                imagelist => $self->imagelist,
                perspective => $self->perspective,
                imageviewer_index => $self->imageviewerIndex,
                frameLayout => $self->frameLayout,
            }
        )
    );
 
    $self->frame->Show( 1 );
    $self->SetTopWindow( $self->frame );

    my $icon = Wx::Icon->new();
    $icon->LoadFile('../res/favicon.ico', wxBITMAP_TYPE_ICO);
    $self->frame->SetIcon($icon);       
}

sub _readParams {
        my( $self, $file ) = @_ ;


        my $expr_params ;
        eval { $expr_params = read_file( $file ); } ;
        
        my $paramValues = [] ;
        if($expr_params){
                my $expr = '$paramValues = ' ;
                $expr .=  "$expr_params ; " ;
                eval $expr ;
        }
        
        return unless 'ARRAY' eq ref $paramValues ;
        
        if(scalar(@$paramValues )){
            my $params = $paramValues->[0] ;
            $self->SetKeyValues($params);
        }
}



sub SetKeyValues {
    my ( $self, $params )= @_;  

    foreach( keys %$params ) {
        $self->{$_} = $params->{$_} ;
    }
}


1;