package Padre::Wx::Dialog::Advanced;

use 5.008;
use strict;
use warnings;
use Padre::Constant       ();
use Padre::Config         ();
use Padre::Wx             ();
use Padre::Wx::Role::Main ();

our $VERSION = '0.96';
our @ISA     = qw{
	Padre::Wx::Role::Main
	Wx::Dialog
};

# Copy menu constants
use constant {
	COPY_ALL   => 1,
	COPY_NAME  => 2,
	COPY_VALUE => 3,
};

# Padre config type to description hash
my %TYPES = (
	Padre::Constant::BOOLEAN => Wx::gettext('Boolean'),
	Padre::Constant::POSINT  => Wx::gettext('Positive Integer'),
	Padre::Constant::INTEGER => Wx::gettext('Integer'),
	Padre::Constant::ASCII   => Wx::gettext('String'),
	Padre::Constant::PATH    => Wx::gettext('File/Directory'),
);

=pod

=head1 NAME

Padre::Wx::Dialog::Advanced - a dialog to show and configure advanced preferences

=head1 DESCRIPTION

The idea is to implement a Mozilla-style C<about:config> for Padre. This will make
playing with experimental, advanced, and secret settings a breeze.

=head1 PUBLIC API

=head2 C<new>

  my $advanced = Padre::Wx::Dialog::Advanced->new($main);

Returns a new C<Padre::Wx::Dialog::Advanced> instance

=cut

sub new {
	my $class = shift;
	my $main  = shift;

	# Create the Wx dialog
	my $self = $class->SUPER::new(
		$main,
		-1,
		Wx::gettext('Advanced Settings'),
		Wx::DefaultPosition,
		Wx::DefaultSize,
		Wx::DEFAULT_FRAME_STYLE,
	);

	# Set some internal parameters
	$self->{sortcolumn}  = 0;
	$self->{sortreverse} = 0;

	# Minimum dialog size
	$self->SetMinSize( [ 750, 550 ] );

	# Create sizer that will host all controls
	my $sizer = Wx::BoxSizer->new(Wx::HORIZONTAL);

	# Create the controls
	$self->_create_controls($sizer);

	# Bind the control events
	$self->_bind_events;

	# Wrap everything in a vbox to add some padding
	$self->SetSizer($sizer);
	$self->Fit;
	$self->CentreOnParent;

	return $self;
}

# Create dialog controls
sub _create_controls {
	my ( $self, $sizer ) = @_;

	# Filter label
	my $filter_label = Wx::StaticText->new( $self, -1, Wx::gettext('&Filter:') );

	# Filter text field
	$self->{filter} = Wx::TextCtrl->new( $self, -1, '' );

	# Filtered preferences list
	$self->{list} = Wx::ListView->new(
		$self,
		-1,
		Wx::DefaultPosition,
		Wx::DefaultSize,
		Wx::LC_REPORT | Wx::LC_SINGLE_SEL,
	);
	$self->{list}->InsertColumn( 0, Wx::gettext('Preference Name') );
	$self->{list}->InsertColumn( 1, Wx::gettext('Status') );
	$self->{list}->InsertColumn( 2, Wx::gettext('Type') );
	$self->{list}->InsertColumn( 3, Wx::gettext('Value') );

	# Popup right-click menu
	$self->{popup}      = Wx::Menu->new;
	$self->{copy}       = $self->{popup}->Append( -1, Wx::gettext('Copy') );
	$self->{copy_name}  = $self->{popup}->Append( -1, Wx::gettext('Copy Name') );
	$self->{copy_value} = $self->{popup}->Append( -1, Wx::gettext('Copy Value') );

	# Preference value label
	my $value_label = Wx::StaticText->new( $self, -1, Wx::gettext('&Value:') );

	# Preference value text field
	$self->{value} = Wx::TextCtrl->new( $self, -1, '' );
	$self->{value}->Enable(0);

	# Boolean value radio button fields
	$self->{true}  = Wx::RadioButton->new( $self, -1, Wx::gettext('True') );
	$self->{false} = Wx::RadioButton->new( $self, -1, Wx::gettext('False') );
	$self->{true}->Hide;
	$self->{false}->Hide;

	# System default
	my $default_label = Wx::StaticText->new( $self, -1, Wx::gettext('Default value:') );
	$self->{default_value} = Wx::TextCtrl->new(
		$self,
		-1,
		'',
		Wx::DefaultPosition,
		Wx::DefaultSize,
		Wx::TE_READONLY
	);
	$self->{default_value}->Enable(0);

	# preference options
	my $options_label = Wx::StaticText->new( $self, -1, Wx::gettext('Options:') );
	$self->{options} = Wx::TextCtrl->new(
		$self,
		-1,
		'',
		Wx::DefaultPosition,
		Wx::DefaultSize,
		Wx::TE_READONLY
	);
	$self->{options}->Enable(0);

	my $help_label = Wx::StaticText->new( $self, -1, Wx::gettext('Description:') );
	$self->{help} = Wx::TextCtrl->new(
		$self,
		-1,
		'',
		Wx::DefaultPosition,
		Wx::DefaultSize,
		Wx::TE_READONLY | Wx::TE_MULTILINE | Wx::NO_FULL_REPAINT_ON_RESIZE
	);

	$self->{help}->Enable(0);

	# Set preference value button
	$self->{button_set} = Wx::Button->new(
		$self, -1, Wx::gettext('&Set'),
	);
	$self->{button_set}->Enable(0);

	# Reset to default preference value button
	$self->{button_reset} = Wx::Button->new(
		$self, -1, Wx::gettext('&Reset'),
	);
	$self->{button_reset}->Enable(0);

	# Save button
	$self->{button_save} = Wx::Button->new(
		$self, Wx::ID_OK, Wx::gettext('S&ave'),
	);
	$self->{button_save}->SetDefault;

	# Cancel button
	$self->{button_cancel} = Wx::Button->new(
		$self, Wx::ID_CANCEL, Wx::gettext('&Cancel'),
	);

	#
	#----- Dialog Layout -------
	#

	# Filter sizer
	my $filter_sizer = Wx::BoxSizer->new(Wx::HORIZONTAL);
	$filter_sizer->Add( $filter_label,   0, Wx::ALIGN_CENTER_VERTICAL, 5 );
	$filter_sizer->Add( $self->{filter}, 1, Wx::ALIGN_CENTER_VERTICAL, 5 );

	# Boolean sizer
	my $boolean_sizer = Wx::BoxSizer->new(Wx::HORIZONTAL);
	$boolean_sizer->AddStretchSpacer;
	$boolean_sizer->Add( $self->{true},  1, Wx::ALIGN_CENTER_VERTICAL, 5 );
	$boolean_sizer->Add( $self->{false}, 1, Wx::ALIGN_CENTER_VERTICAL, 5 );
	$boolean_sizer->AddStretchSpacer;

	# Store boolean sizer reference for later usage
	$self->{boolean} = $boolean_sizer;

	# Value setter sizer
	my $value_sizer = Wx::BoxSizer->new(Wx::HORIZONTAL);
	$value_sizer->Add( $value_label,          0, Wx::ALIGN_CENTER_VERTICAL,              5 );
	$value_sizer->Add( $self->{value},        1, Wx::ALIGN_CENTER_VERTICAL,              5 );
	$value_sizer->Add( $boolean_sizer,        1, Wx::ALIGN_CENTER_VERTICAL | Wx::EXPAND, 5 );
	$value_sizer->Add( $self->{button_set},   0, Wx::ALIGN_CENTER_VERTICAL,              5 );
	$value_sizer->Add( $self->{button_reset}, 0, Wx::ALIGN_CENTER_VERTICAL,              5 );

	# Default value and options sizer
	my $info_sizer = Wx::BoxSizer->new(Wx::HORIZONTAL);
	$info_sizer->Add( $default_label,         0, Wx::ALIGN_CENTER_VERTICAL, 5 );
	$info_sizer->Add( $self->{default_value}, 1, Wx::ALIGN_CENTER_VERTICAL, 5 );
	$info_sizer->AddSpacer(5);
	$info_sizer->Add( $options_label,   0, Wx::ALIGN_CENTER_VERTICAL, 5 );
	$info_sizer->Add( $self->{options}, 1, Wx::ALIGN_CENTER_VERTICAL, 5 );

	my $help_sizer = Wx::BoxSizer->new(Wx::HORIZONTAL);
	$help_sizer->Add( $help_label,   0, Wx::ALIGN_CENTER_VERTICAL, 5 );
	$help_sizer->Add( $self->{help}, 1, Wx::ALIGN_CENTER_VERTICAL, 5 );

	# Button sizer
	my $button_sizer = Wx::BoxSizer->new(Wx::HORIZONTAL);
	$button_sizer->Add( $self->{button_save},   1, 0,        0 );
	$button_sizer->Add( $self->{button_cancel}, 1, Wx::LEFT, 5 );
	$button_sizer->AddSpacer(5);

	# Main vertical sizer
	my $vsizer = Wx::BoxSizer->new(Wx::VERTICAL);
	$vsizer->Add( $filter_sizer, 0, Wx::ALL | Wx::EXPAND, 3 );
	$vsizer->Add( $self->{list}, 1, Wx::ALL | Wx::EXPAND, 3 );
	$vsizer->Add( $value_sizer,  0, Wx::ALL | Wx::EXPAND, 3 );
	$vsizer->Add( $info_sizer,   0, Wx::ALL | Wx::EXPAND, 3 );
	$vsizer->Add( $help_sizer,   0, Wx::ALL | Wx::EXPAND, 3 );
	$vsizer->AddSpacer(5);
	$vsizer->Add( $button_sizer, 0, Wx::ALIGN_RIGHT, 5 );
	$vsizer->AddSpacer(5);

	# Hide value and info sizer at startup
	$vsizer->Show( 2, 0 );
	$vsizer->Show( 3, 0 );
	$vsizer->Show( 4, 0 );

	# Store vertical sizer reference for later usage
	$self->{vsizer} = $vsizer;

	# Wrap with a horizontal sizer to get left/right padding
	$sizer->Add( $vsizer, 1, Wx::ALL | Wx::EXPAND, 5 );

	return;
}

# A Private method to binds events to controls
sub _bind_events {
	my $self = shift;

	# Set focus when Keypad Down or page down keys are pressed
	Wx::Event::EVT_CHAR(
		$self->{filter},
		sub {
			$self->_on_char( $_[1] );
		}
	);

	# Update filter search results on each text change
	Wx::Event::EVT_TEXT(
		$self,
		$self->{filter},
		sub {
			shift->_update_list;
		}
	);

	# When the title is clicked, sort the items
	Wx::Event::EVT_LIST_COL_CLICK(
		$self,
		$self->{list},
		sub {
			shift->list_col_click(@_);
		},
	);

	# When an item is selected, its values must be populated below
	Wx::Event::EVT_LIST_ITEM_SELECTED(
		$self,
		$self->{list},
		sub {
			shift->_on_list_item_selected(@_);
		}
	);

	# When an item is activated (e.g. double-clicked, space-ed or enter-ed)
	Wx::Event::EVT_LIST_ITEM_ACTIVATED(
		$self,
		$self->{list},
		sub {
			shift->_on_list_item_activated(@_);
		}
	);

	# When a list right click event is fired, let us show a popup menu
	Wx::Event::EVT_LIST_ITEM_RIGHT_CLICK(
		$self,
		$self->{list},
		sub {
			shift->_on_list_item_right_click(@_);
		}
	);

	# Handle boolean radio buttons state change
	Wx::Event::EVT_RADIOBUTTON(
		$self,
		$self->{true},
		sub {
			shift->_on_radiobutton(@_);
		}
	);
	Wx::Event::EVT_RADIOBUTTON(
		$self,
		$self->{false},
		sub {
			shift->_on_radiobutton(@_);
		}
	);

	# Copy everything to clipboard
	Wx::Event::EVT_MENU(
		$self,
		$self->{copy},
		sub {
			shift->_on_copy_to_clipboard( @_, COPY_ALL );
		}
	);

	# Copy name to clipboard
	Wx::Event::EVT_MENU(
		$self,
		$self->{copy_name},
		sub {
			shift->_on_copy_to_clipboard( @_, COPY_NAME );
		}
	);

	# Copy value to clipboard
	Wx::Event::EVT_MENU(
		$self,
		$self->{copy_value},
		sub {
			shift->_on_copy_to_clipboard( @_, COPY_VALUE );
		}
	);

	# Set button
	Wx::Event::EVT_BUTTON(
		$self,
		$self->{button_set},
		sub {
			shift->_on_set_button;
		}
	);

	# Reset button
	Wx::Event::EVT_BUTTON(
		$self,
		$self->{button_reset},
		sub {
			shift->_on_reset_button;
		}
	);

	# Save button
	Wx::Event::EVT_BUTTON(
		$self,
		$self->{button_save},
		sub {
			shift->_on_save_button;
		}
	);

	# Cancel button
	Wx::Event::EVT_BUTTON(
		$self,
		$self->{button_cancel},
		sub {
			shift->EndModal(Wx::ID_CANCEL);
		}
	);

	return;
}

# Private method to copy preferences to clipboard
sub _on_copy_to_clipboard {
	my ( $self, $event, $action ) = @_;

	my $list = $self->{list};
	my $name = $list->GetItemText( $list->GetFirstSelected );
	my $pref = $self->{preferences}->{$name};

	my $text;
	if ( $action == COPY_ALL ) {
		$text = $name . ';' . $self->_status_name($pref) . ';' . $pref->{type_name} . ';' . $pref->{value};
	} elsif ( $action == COPY_NAME ) {
		$text = $name;
	} elsif ( $action == COPY_VALUE ) {
		$text = $pref->{value};
	}
	if ( $text and Wx::TheClipboard->Open ) {
		Wx::TheClipboard->SetData( Wx::TextDataObject->new($text) );
		Wx::TheClipboard->Close;
	}

	return;
}

# Private method to retrieve the correct value for the preference status column
sub _status_name {
	my ( $self, $pref ) = @_;
	return $pref->{is_default}
		? Wx::gettext('Default')
		: $pref->{store_name};
}

# Private method to show a popup menu when a list item is right-clicked
sub _on_list_item_right_click {
	my $self  = shift;
	my $event = shift;

	$self->{list}->PopupMenu(
		$self->{popup},
		$event->GetPoint->x,
		$event->GetPoint->y,
	);

	return;
}

# Private method to handle on character pressed event
sub _on_char {
	my $self  = shift;
	my $event = shift;
	my $code  = $event->GetKeyCode;

	$self->{list}->SetFocus
		if ( $code == Wx::K_DOWN )
		or ( $code == Wx::K_NUMPAD_PAGEDOWN )
		or ( $code == Wx::K_PAGEDOWN );

	$event->Skip(1);

	return;
}

# Private method to handle the selection of a preference item
sub _on_list_item_selected {
	my $self  = shift;
	my $event = shift;
	my $pref  = $self->{preferences}->{ $event->GetLabel };
	my $type  = $pref->{type};

	my $is_boolean = ( $pref->{type} == Padre::Constant::BOOLEAN ) ? 1 : 0;
	if ($is_boolean) {
		$self->{true}->SetValue( $pref->{value} );
		$self->{false}->SetValue( not $pref->{value} );
	} else {
		$self->{value}->SetValue( $self->_displayed_value( $type, $pref->{value} ) );
		$self->{options}->SetValue( $pref->{options} );
	}
	$self->{help}->SetValue( $pref->{help} );

	# Show value and info sizers
	$self->{vsizer}->Show( 2, 1 );
	$self->{vsizer}->Show( 3, 1 );
	$self->{vsizer}->Show( 4, 1 );

	# Toggle visibility of fields depending on preference type
	$self->{value}->Show( not $is_boolean );
	$self->{true}->Show($is_boolean);
	$self->{false}->Show($is_boolean);

	# Hide spaces infront of true/false radiobuttons
	$self->{boolean}->Show( 0, $is_boolean );
	$self->{boolean}->Show( 3, $is_boolean );

	# Set button is not needed when it is a boolean
	$self->{button_set}->Show( not $is_boolean );

	# Recalculate sizers
	$self->Layout;

	$self->{default_value}->SetLabel( $self->_displayed_value( $type, $pref->{default} ) );

	$self->{value}->Enable(1);
	$self->{default_value}->Enable(1);
	$self->{options}->Enable(1);

	#$self->{help}->Enable(1);
	$self->{button_reset}->Enable( not $pref->{is_default} );
	$self->{button_set}->Enable(1);

	return;
}

# Private method to handle the radio button selection
sub _on_radiobutton {
	my $self  = shift;
	my $event = shift;
	my $list  = $self->{list};
	my $name  = $list->GetItemText( $list->GetFirstSelected );
	my $pref  = $self->{preferences}->{$name};

	# Reverse boolean
	my $value = $pref->{value} ? 0 : 1;
	my $is_default = not $pref->{is_default};
	$pref->{is_default} = $is_default;
	$pref->{value}      = $value;

	# and update the fields/list items accordingly
	$self->_update_ui($pref);

	return;
}

# Private method to handle item activation
# (i.e. the list item is SPACEd, ENTERed, or double-clicked).
# It toggles the status of a boolean preference or changes focus
# to the value text field if it is not a boolean
sub _on_list_item_activated {
	my $self  = shift;
	my $event = shift;
	my $index = $event->GetIndex;
	my $list  = $self->{list};
	my $pref  = $self->{preferences}->{ $event->GetLabel };

	if ( $pref->{type} == Padre::Constant::BOOLEAN ) {

		# Reverse boolean
		my $value = $pref->{value} ? 0 : 1;
		my $is_default = not $pref->{is_default};
		$pref->{is_default} = $is_default;
		$pref->{value}      = $value;

		# and update the fields/list items accordingly
		$self->_update_ui($pref);
	} else {

		# Focus on the text value so we can edit it...
		$self->{value}->SetFocus;
	}

	return;
}

# Private method to update the UI from the provided preference
sub _update_ui {
	my ( $self, $pref ) = @_;

	my $list       = $self->{list};
	my $index      = $list->GetFirstSelected;
	my $value      = $pref->{value};
	my $type       = $pref->{type};
	my $is_default = $pref->{is_default};

	if ( $type == Padre::Constant::BOOLEAN ) {
		$self->{true}->SetValue($value);
		$self->{false}->SetValue( not $value );
	} else {
		$self->{value}->SetValue( $self->_displayed_value( $type, $value ) );
		$self->{options}->SetValue( $pref->{options} );
	}
	$self->{help}->SetValue( $pref->{help} );
	$self->{default_value}->SetLabel( $self->_displayed_value( $type, $pref->{default} ) );
	$self->{button_reset}->Enable( not $is_default );
	$list->SetItem( $index, 1, $self->_status_name($pref) );
	$list->SetItem( $index, 3, $self->_displayed_value( $type, $value ) );
	$self->_set_item_bold_font( $index, not $is_default );

	return;
}

# Returns the correct displayed value depending on the type
sub _displayed_value {
	my ( $self, $type, $value ) = @_;

	return ( $type == Padre::Constant::BOOLEAN )
		? (
		$value
		? Wx::gettext('True')
		: Wx::gettext('False')
		)
		: $value;
}

# Determines whether the preference value is default or not based on its type
sub _is_default {
	my ( $self, $type, $value, $default_value ) = @_;

	return ( $type == Padre::Constant::ASCII or $type == Padre::Constant::PATH )
		? $value eq $default_value
		: $value == $default_value;
}

# Private method to handle the pressing of the set value button
sub _on_set_button {
	my $self = shift;

	# Prepare the preferences
	my $list  = $self->{list};
	my $index = $list->GetFirstSelected;
	my $name  = $list->GetItemText($index);
	my $pref  = $self->{preferences}->{$name};

	#Set the value to the user input
	my $type = $pref->{type};
	my $value =
		( $type == Padre::Constant::BOOLEAN )
		? $self->{true}->GetValue
		: $self->{value}->GetValue;
	my $default_value = $pref->{default};
	my $is_default = $self->_is_default( $type, $value, $default_value );

	$pref->{value}      = $value;
	$pref->{is_default} = $is_default;

	$self->_update_ui($pref);

	return;
}

# Private method to handle the pressing of the reset to default button
sub _on_reset_button {
	my $self = shift;

	# Prepare the preferences
	my $list  = $self->{list};
	my $index = $list->GetFirstSelected;
	my $name  = $list->GetItemText($index);
	my $pref  = $self->{preferences}->{$name};

	#Reset the value to the default setting
	my $value = $pref->{default};
	$pref->{value}      = $pref->{default};
	$pref->{is_default} = 1;

	$self->_update_ui($pref);

	return;
}

# Private method to handle the pressing of the save button
sub _on_save_button {
	my $self    = shift;
	my $config  = $self->config;
	my $current = $self->current;
	my $prefs   = $self->{preferences};

	# Lock most of Padre so any apply handlers run quickly
	my $lock = $self->main->lock( 'UPDATE', 'REFRESH', 'DB' );

	# Find the values that have changed
	for my $name ( sort keys %$prefs ) {
		my $pref     = $prefs->{$name};
		my $type     = $pref->{type};
		my $value    = $pref->{value};
		my $original = $pref->{original};
		if ( $type == Padre::Constant::ASCII or $type == Padre::Constant::PATH ) {
			next if $value eq $original;
		} else {
			next if $value == $original;
		}

		$config->apply( $name, $value, $current );
	}

	# Save to disk/database
	$config->write;

	# Bye bye dialog
	$self->EndModal(Wx::ID_OK);

	return;
}

# Private method to update the preferences list
sub _update_list {
	my $self   = shift;
	my $config = $self->config;
	my $filter = quotemeta $self->{filter}->GetValue;

	my $list = $self->{list};
	$list->DeleteAllItems;

	# Hide value and info sizer when searching for other entry
	$self->{vsizer}->Show( 2, 0 );
	$self->{vsizer}->Show( 3, 0 );
	$self->{vsizer}->Show( 4, 0 );

	# Recalculate sizers
	$self->Layout;

	my $index       = -1;
	my $preferences = $self->{preferences};

	# Try to derive an alternate row colour based on the current system colour
	my $realColor = Wx::SystemSettings::GetColour(Wx::SYS_COLOUR_WINDOW);

	# Alternate candystripe is slightly darker and blueish
	my $alternateColor = Wx::Colour->new(
		int( $realColor->Red * 0.9 ),
		int( $realColor->Green * 0.9 ),
		$realColor->Blue,
	);

	my @preference_names = sort { $a cmp $b } keys %$preferences;
	if ( $self->{sortcolumn} == 1 ) {

		# Sort by Status
		@preference_names =
			sort { $self->_status_name( $preferences->{$a} ) cmp $self->_status_name( $preferences->{$b} ) }
			@preference_names;
	}
	if ( $self->{sortcolumn} == 2 ) {

		# Sort by Type
		@preference_names = sort { $preferences->{$a}{type_name} cmp $preferences->{$b}{type_name} } @preference_names;
	}
	if ( $self->{sortcolumn} == 3 ) {

		# Sort by Value
		@preference_names = sort {
			$self->_displayed_value( $preferences->{$a}{type}, $preferences->{$a}{value} )
				cmp $self->_displayed_value( $preferences->{$b}{type}, $preferences->{$b}{value} )
		} @preference_names;
	}
	if ( $self->{sortreverse} ) {
		@preference_names = reverse @preference_names;
	}

	foreach my $name (@preference_names) {

		# Ignore setting if it does not match the filter
		# An empty pattern would use the last successful
		# regex which means arbitrary filter matching (MARKD)
		# next if $name !~ /$filter/i
		next if ( length($filter) && $name !~ /$filter/i );

		# Add the setting to the list control
		my $pref       = $preferences->{$name};
		my $is_default = $pref->{is_default};

		$list->InsertStringItem( ++$index, $name );
		$list->SetItem( $index, 1, $self->_status_name($pref) );
		$list->SetItem( $index, 2, $pref->{type_name} );
		$list->SetItem( $index, 3, $self->_displayed_value( $pref->{type}, $pref->{value} ) );

		# Alternating table colors
		$list->SetItemBackgroundColour( $index, $alternateColor ) unless $index % 2;

		# User-set or non-default preferences have bold font
		$self->_set_item_bold_font( $index, not $is_default );
	}

	return;
}

# Private method to set item to bold
# Somehow SetItemFont is not there... hence i had to write this long workaround
sub _set_item_bold_font {
	my ( $self, $index, $bold ) = @_;

	my $list = $self->{list};
	my $item = $list->GetItem($index);
	my $font = $item->GetFont;
	$font->SetWeight( $bold ? Wx::FONTWEIGHT_BOLD : Wx::FONTWEIGHT_NORMAL );
	$item->SetFont($font);
	$list->SetItem($item);

	return;
}

# Private method to initialize a preferences hash from the local configuration
sub _init_preferences {
	my $self   = shift;
	my $config = $self->config;

	$self->{preferences} = ();
	for my $name ( Padre::Config->settings ) {
		my $setting = Padre::Config->meta($name);

		# Skip PROJECT settings
		my $store = $setting->store;
		next if $setting->store == Padre::Constant::PROJECT;

		my $type      = $setting->type;
		my $type_name = $TYPES{$type};
		unless ($type_name) {
			warn "Unknown type: $type while reading $name\n";
			next;
		}

		my $options =
			( $setting->options )
			? join( ',', keys %{ $setting->options } )
			: '';

		my $value      = $config->$name;
		my $default    = $setting->default;
		my $is_default = $self->_is_default( $type, $value, $default );
		my $store_name = ( $store == Padre::Constant::HUMAN ) ? Wx::gettext('User') : Wx::gettext('Host');
		$self->{preferences}->{$name} = {
			'is_default' => $is_default,
			'default'    => $default,
			'type'       => $type,
			'type_name'  => $type_name,
			'store_name' => $store_name,
			'value'      => $value,
			'original'   => $value,
			'options'    => $options,
			'help'       => ( $setting->help || '' ),
		};
	}

	return;
}

# Private method to resize list columns
sub _resize_columns {
	my $self = shift;

	# Resize all columns but the last to their biggest item width
	my $list = $self->{list};
	for ( 0 .. 2 ) {
		$list->SetColumnWidth( $_, Wx::LIST_AUTOSIZE );
	}

	# some columns can have a bold font
	$list->SetColumnWidth( 1, $list->GetColumnWidth(1) + 10 );

	# the last column gets a bigger static width.
	# i.e. we do not want to be too long
	$list->SetColumnWidth( 3, 600 );

	return;
}

sub list_col_click {
	my $self     = shift;
	my $event    = shift;
	my $column   = $event->GetColumn;
	my $prevcol  = $self->{sortcolumn};
	my $reversed = $self->{sortreverse};
	$reversed = $column == $prevcol ? !$reversed : 0;
	$self->{sortcolumn}  = $column;
	$self->{sortreverse} = $reversed;
	$self->_update_list;
	return;
}

=pod

=head2 C<show>

  $advanced->show($main);

Shows the dialog. Returns C<undef>.

=cut

sub show {
	my $self = shift;

	# Initialize Preferences
	$self->_init_preferences;

	# Set focus on the filter text field
	$self->{filter}->SetFocus;

	# Update the preferences list
	$self->_update_list;

	# resize columns
	$self->_resize_columns;

	# If it is not shown, show the dialog
	return $self->ShowModal;
}

1;

=pod

=head1 COPYRIGHT & LICENSE

Copyright 2008-2012 The Padre development team as listed in Padre.pm.

This program is free software; you can redistribute
it and/or modify it under the same terms as Perl itself.

The full text of the license can be found in the
LICENSE file included with this module.

=cut

# Copyright 2008-2012 The Padre development team as listed in Padre.pm.
# LICENSE
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl 5 itself.