/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>
#include <sal/log.hxx>

#include <i18nlangtag/languagetag.hxx>
#include <rtl/ustrbuf.hxx>
#include <vcl/print.hxx>
#include <vcl/image.hxx>
#include <vcl/virdev.hxx>
#include <vcl/svapp.hxx>
#include <vcl/unohelp.hxx>
#include <vcl/settings.hxx>

#include <osx/printview.h>
#include <osx/salinst.h>
#include <quartz/utils.h>

#include <svdata.hxx>
#include <strings.hrc>
#include <printaccessoryview.hrc>

#include <com/sun/star/i18n/XBreakIterator.hpp>
#include <com/sun/star/i18n/WordType.hpp>

#include <map>

using namespace vcl;
using namespace com::sun::star;
using namespace com::sun::star::beans;
using namespace com::sun::star::uno;

namespace {

class ControllerProperties;

}

@interface ControlTarget : NSObject
{
    ControllerProperties* mpController;
}
-(id)initWithControllerMap: (ControllerProperties*)pController;
-(void)triggered:(id)pSender;
-(void)triggeredNumeric:(id)pSender;
-(void)dealloc;
@end

@interface AquaPrintPanelAccessoryController : NSViewController< NSPrintPanelAccessorizing >
{
    NSPrintOperation *mpPrintOperation;
    vcl::PrinterController *mpPrinterController;
    PrintAccessoryViewState *mpViewState;
}

-(void)forPrintOperation:(NSPrintOperation*)pPrintOp;
-(void)withPrinterController:(vcl::PrinterController*)pController;
-(void)withViewState:(PrintAccessoryViewState*)pState;

-(NSPrintOperation*)printOperation;
-(vcl::PrinterController*)printerController;
-(PrintAccessoryViewState*)viewState;

-(NSSet*)keyPathsForValuesAffectingPreview;
-(NSArray*)localizedSummaryItems;

-(sal_Int32)updatePrintOperation:(sal_Int32)pLastPageCount;

@end

@implementation AquaPrintPanelAccessoryController

-(void)forPrintOperation:(NSPrintOperation*)pPrintOp
    { mpPrintOperation = pPrintOp; }

-(void)withPrinterController:(vcl::PrinterController*)pController
    { mpPrinterController = pController; }

-(void)withViewState:(PrintAccessoryViewState*)pState
    { mpViewState = pState; }

-(NSPrintOperation*)printOperation
    { return mpPrintOperation; }

-(vcl::PrinterController*)printerController
    { return mpPrinterController; }

-(PrintAccessoryViewState*)viewState
    { return mpViewState; }

-(NSSet*)keyPathsForValuesAffectingPreview
{
    return [ NSSet setWithObject:@"updatePrintOperation" ];
}

-(NSArray*)localizedSummaryItems
{
    return [ NSArray arrayWithObject:
               [ NSDictionary dictionary ] ];
}

-(sal_Int32)updatePrintOperation:(sal_Int32)pLastPageCount
{
    // page range may be changed by option choice
    sal_Int32 nPages = mpPrinterController->getFilteredPageCount();

    mpViewState->bNeedRestart = false;
    if( nPages != pLastPageCount )
    {
        #if OSL_DEBUG_LEVEL > 1
        SAL_INFO( "vcl.osx.print", "number of pages changed" <<
                  " from " << pLastPageCount << " to " << nPages );
        #endif
        mpViewState->bNeedRestart = true;
    }

    NSTabView* pTabView = [[[self view] subviews] objectAtIndex:0];
    NSTabViewItem* pItem = [pTabView selectedTabViewItem];
    if( pItem )
        mpViewState->nLastPage = [pTabView indexOfTabViewItem: pItem];
    else
        mpViewState->nLastPage = 0;

    if( mpViewState->bNeedRestart )
    {
        // AppKit does not give a chance of changing the page count
        // and don't let cancel the dialog either
        // hack: send a cancel message to the modal window displaying views
        NSWindow* pNSWindow = [NSApp modalWindow];
        if( pNSWindow )
            [pNSWindow cancelOperation: nil];
        [[mpPrintOperation printInfo] setJobDisposition: NSPrintCancelJob];
    }

    return nPages;
}

@end

namespace {

class ControllerProperties
{
    std::map< int, OUString >      maTagToPropertyName;
    std::map< int, sal_Int32 >          maTagToValueInt;
    std::map< NSView*, NSView* >        maViewPairMap;
    std::vector< NSObject* >            maViews;
    int                                 mnNextTag;
    sal_Int32                           mnLastPageCount;
    AquaPrintPanelAccessoryController*  mpAccessoryController;

public:
    ControllerProperties( AquaPrintPanelAccessoryController* i_pAccessoryController )
    : mnNextTag( 0 )
    , mnLastPageCount( [i_pAccessoryController printerController]->getFilteredPageCount() )
    , mpAccessoryController( i_pAccessoryController )
    {
        static_assert( SAL_N_ELEMENTS(SV_PRINT_NATIVE_STRINGS) == 5, "resources not found" );
    }

    static OUString getMoreString()
    {
        return VclResId(SV_PRINT_NATIVE_STRINGS[3]);
    }

    static OUString getPrintSelectionString()
    {
        return VclResId(SV_PRINT_NATIVE_STRINGS[4]);
    }

    int addNameTag( const OUString& i_rPropertyName )
    {
        int nNewTag = mnNextTag++;
        maTagToPropertyName[ nNewTag ] = i_rPropertyName;
        return nNewTag;
    }

    int addNameAndValueTag( const OUString& i_rPropertyName, sal_Int32 i_nValue )
    {
        int nNewTag = mnNextTag++;
        maTagToPropertyName[ nNewTag ] = i_rPropertyName;
        maTagToValueInt[ nNewTag ] = i_nValue;
        return nNewTag;
    }

    void addObservedControl( NSObject* i_pView )
    {
        maViews.push_back( i_pView );
    }

    void addViewPair( NSView* i_pLeft, NSView* i_pRight )
    {
        maViewPairMap[ i_pLeft ] = i_pRight;
        maViewPairMap[ i_pRight ] = i_pLeft;
    }

    NSView* getPair( NSView* i_pLeft ) const
    {
        NSView* pRight = nil;
        std::map< NSView*, NSView* >::const_iterator it = maViewPairMap.find( i_pLeft );
        if( it != maViewPairMap.end() )
            pRight = it->second;
        return pRight;
    }

    void changePropertyWithIntValue( int i_nTag )
    {
        std::map< int, OUString >::const_iterator name_it = maTagToPropertyName.find( i_nTag );
        std::map< int, sal_Int32 >::const_iterator value_it = maTagToValueInt.find( i_nTag );
        if( name_it != maTagToPropertyName.end() && value_it != maTagToValueInt.end() )
        {
            vcl::PrinterController * mpController = [mpAccessoryController printerController];
            PropertyValue* pVal = mpController->getValue( name_it->second );
            if( pVal )
            {
                pVal->Value <<= value_it->second;
                mnLastPageCount = [mpAccessoryController updatePrintOperation: mnLastPageCount];
            }
        }
    }

    void changePropertyWithIntValue( int i_nTag, sal_Int64 i_nValue )
    {
        std::map< int, OUString >::const_iterator name_it = maTagToPropertyName.find( i_nTag );
        if( name_it != maTagToPropertyName.end() )
        {
            vcl::PrinterController * mpController = [mpAccessoryController printerController];
            PropertyValue* pVal = mpController->getValue( name_it->second );
            if( pVal )
            {
                pVal->Value <<= i_nValue;
                mnLastPageCount = [mpAccessoryController updatePrintOperation: mnLastPageCount];
            }
        }
    }

    void changePropertyWithBoolValue( int i_nTag, bool i_bValue )
    {
        std::map< int, OUString >::const_iterator name_it = maTagToPropertyName.find( i_nTag );
        if( name_it != maTagToPropertyName.end() )
        {
            vcl::PrinterController * mpController = [mpAccessoryController printerController];
            PropertyValue* pVal = mpController->getValue( name_it->second );
            if( pVal )
            {
                // ugly
                if( name_it->second == "PrintContent" )
                   pVal->Value <<= i_bValue ? sal_Int32(2) : sal_Int32(0);
                else
                   pVal->Value <<= i_bValue;

                mnLastPageCount = [mpAccessoryController updatePrintOperation: mnLastPageCount];
            }
        }
    }

    void changePropertyWithStringValue( int i_nTag, const OUString& i_rValue )
    {
        std::map< int, OUString >::const_iterator name_it = maTagToPropertyName.find( i_nTag );
        if( name_it != maTagToPropertyName.end() )
        {
            vcl::PrinterController * mpController = [mpAccessoryController printerController];
            PropertyValue* pVal = mpController->getValue( name_it->second );
            if( pVal )
            {
                pVal->Value <<= i_rValue;
                mnLastPageCount = [mpAccessoryController updatePrintOperation: mnLastPageCount];
            }
        }
    }

    void updateEnableState()
    {
        for( std::vector< NSObject* >::iterator it = maViews.begin(); it != maViews.end(); ++it )
        {
            NSObject* pObj = *it;
            NSControl* pCtrl = nil;
            NSCell* pCell = nil;
            if( [pObj isKindOfClass: [NSControl class]] )
                pCtrl = static_cast<NSControl*>(pObj);
            else if( [pObj isKindOfClass: [NSCell class]] )
                pCell = static_cast<NSCell*>(pObj);

            int nTag = pCtrl ? [pCtrl tag] :
                       pCell ? [pCell tag] :
                       -1;

            std::map< int, OUString >::const_iterator name_it = maTagToPropertyName.find( nTag );
            if( name_it != maTagToPropertyName.end() && name_it->second != "PrintContent" )
            {
                vcl::PrinterController * mpController = [mpAccessoryController printerController];
                bool bEnabled = mpController->isUIOptionEnabled( name_it->second ) ? YES : NO;
                if( pCtrl )
                {
                    [pCtrl setEnabled: bEnabled];
                    NSView* pOther = getPair( pCtrl );
                    if( pOther && [pOther isKindOfClass: [NSControl class]] )
                        [static_cast<NSControl*>(pOther) setEnabled: bEnabled];
                }
                else if( pCell )
                    [pCell setEnabled: bEnabled];
            }
        }
    }

};

}

static OUString filterAccelerator( OUString const & rText )
{
    OUStringBuffer aBuf( rText.getLength() );
    for( sal_Int32 nIndex = 0; nIndex != -1; )
        aBuf.append( rText.getToken( 0, '~', nIndex ) );
    return aBuf.makeStringAndClear();
}

@implementation ControlTarget

-(id)initWithControllerMap: (ControllerProperties*)pController
{
    if( (self = [super init]) )
    {
        mpController = pController;
    }
    return self;
}

-(void)triggered:(id)pSender
{
    if( [pSender isMemberOfClass: [NSPopUpButton class]] )
    {
        NSPopUpButton* pBtn = static_cast<NSPopUpButton*>(pSender);
        NSMenuItem* pSelected = [pBtn selectedItem];
        if( pSelected )
        {
            int nTag = [pSelected tag];
            mpController->changePropertyWithIntValue( nTag );
        }
    }
    else if( [pSender isMemberOfClass: [NSButton class]] )
    {
        NSButton* pBtn = static_cast<NSButton*>(pSender);
        int nTag = [pBtn tag];
        mpController->changePropertyWithBoolValue( nTag, [pBtn state] == NSControlStateValueOn );
    }
    else if( [pSender isMemberOfClass: [NSMatrix class]] )
    {
        NSObject* pObj = [static_cast<NSMatrix*>(pSender) selectedCell];
        if( [pObj isMemberOfClass: [NSButtonCell class]] )
        {
            NSButtonCell* pCell = static_cast<NSButtonCell*>(pObj);
            int nTag = [pCell tag];
            mpController->changePropertyWithIntValue( nTag );
        }
    }
    else if( [pSender isMemberOfClass: [NSTextField class]] )
    {
        NSTextField* pField = static_cast<NSTextField*>(pSender);
        int nTag = [pField tag];
        OUString aValue = GetOUString( [pSender stringValue] );
        mpController->changePropertyWithStringValue( nTag, aValue );
    }
    else
    {
        SAL_INFO( "vcl.osx.print", "Unsupported class" <<
                  ( [pSender class] ? [NSStringFromClass([pSender class]) UTF8String] : "nil" ) );
    }
    mpController->updateEnableState();
}

-(void)triggeredNumeric:(id)pSender
{
    if( [pSender isMemberOfClass: [NSTextField class]] )
    {
        NSTextField* pField = static_cast<NSTextField*>(pSender);
        int nTag = [pField tag];
        sal_Int64 nValue = [pField intValue];
        
        NSView* pOther = mpController->getPair( pField );
        if( pOther )
            [static_cast<NSControl*>(pOther) setIntValue: nValue];

        mpController->changePropertyWithIntValue( nTag, nValue );
    }
    else if( [pSender isMemberOfClass: [NSStepper class]] )
    {
        NSStepper* pStep = static_cast<NSStepper*>(pSender);
        int nTag = [pStep tag];
        sal_Int64 nValue = [pStep intValue];

        NSView* pOther = mpController->getPair( pStep );
        if( pOther )
            [static_cast<NSControl*>(pOther) setIntValue: nValue];

        mpController->changePropertyWithIntValue( nTag, nValue );
    }
    else
    {
        SAL_INFO( "vcl.osx.print", "Unsupported class" <<
                  ([pSender class] ? [NSStringFromClass([pSender class]) UTF8String] : "nil") );
    }
    mpController->updateEnableState();
}

-(void)dealloc
{
    delete mpController;
    [super dealloc];
}

@end

namespace {

struct ColumnItem
{
    NSControl*      pControl;
    long            nOffset;
    NSControl*      pSubControl;
    
    ColumnItem( NSControl* i_pControl = nil, long i_nOffset = 0, NSControl* i_pSub = nil )
    : pControl( i_pControl )
    , nOffset( i_nOffset )
    , pSubControl( i_pSub )
    {}
    
    long getWidth() const
    {
        long nWidth = 0;
        if( pControl )
        {
            NSRect aCtrlRect = [pControl frame];
            nWidth = aCtrlRect.size.width;
            nWidth += nOffset;
            if( pSubControl )
            {
                NSRect aSubRect = [pSubControl frame];
                nWidth += aSubRect.size.width;
                nWidth += aSubRect.origin.x - (aCtrlRect.origin.x + aCtrlRect.size.width);
            }
        }
        return nWidth;
    }
};

}

static void adjustViewAndChildren( NSView* pNSView, NSSize& rMaxSize,
                                   std::vector< ColumnItem >& rLeftColumn,
                                   std::vector< ColumnItem >& rRightColumn
                                  )
{
    // balance columns

    // first get overall column widths
    long nLeftWidth = 0;
    long nRightWidth = 0;
    for( size_t i = 0; i < rLeftColumn.size(); i++ )
    {
        long nW = rLeftColumn[i].getWidth();
        if( nW > nLeftWidth )
            nLeftWidth = nW;
    }
    for( size_t i = 0; i < rRightColumn.size(); i++ )
    {
        long nW = rRightColumn[i].getWidth();
        if( nW > nRightWidth )
            nRightWidth = nW;
    }

    // right align left column
    for( size_t i = 0; i < rLeftColumn.size(); i++ )
    {
        if( rLeftColumn[i].pControl )
        {
            NSRect aCtrlRect = [rLeftColumn[i].pControl frame];
            long nX = nLeftWidth - aCtrlRect.size.width;
            if( rLeftColumn[i].pSubControl )
            {
                NSRect aSubRect = [rLeftColumn[i].pSubControl frame];
                nX -= aSubRect.size.width + (aSubRect.origin.x - (aCtrlRect.origin.x + aCtrlRect.size.width));
                aSubRect.origin.x = nLeftWidth - aSubRect.size.width;
                [rLeftColumn[i].pSubControl setFrame: aSubRect];
            }
            aCtrlRect.origin.x = nX;
            [rLeftColumn[i].pControl setFrame: aCtrlRect];
        }
    }

    // left align right column
    for( size_t i = 0; i < rRightColumn.size(); i++ )
    {
        if( rRightColumn[i].pControl )
        {
            NSRect aCtrlRect = [rRightColumn[i].pControl frame];
            long nX = nLeftWidth + 3;
            if( rRightColumn[i].pSubControl )
            {
                NSRect aSubRect = [rRightColumn[i].pSubControl frame];
                aSubRect.origin.x = nX + aSubRect.origin.x - aCtrlRect.origin.x; 
                [rRightColumn[i].pSubControl setFrame: aSubRect];
            }
            aCtrlRect.origin.x = nX;
            [rRightColumn[i].pControl setFrame: aCtrlRect];
        }
    }

    NSArray* pSubViews = [pNSView subviews];
    unsigned int nViews = [pSubViews count];
    NSRect aUnion = NSZeroRect;

    // get the combined frame of all subviews
    for( unsigned int n = 0; n < nViews; n++ )
    {
        aUnion = NSUnionRect( aUnion, [[pSubViews objectAtIndex: n] frame] );
    }

    // move everything so it will fit
    for( unsigned int n = 0; n < nViews; n++ )
    {
        NSView* pCurSubView = [pSubViews objectAtIndex: n];
        NSRect aFrame = [pCurSubView frame];
        aFrame.origin.x -= aUnion.origin.x - 5;
        aFrame.origin.y -= aUnion.origin.y - 5;
        [pCurSubView setFrame: aFrame];
    }

    // resize the view itself
    aUnion.size.height += 10;
    aUnion.size.width += 20;
    [pNSView setFrameSize: aUnion.size];

    if( aUnion.size.width > rMaxSize.width )
        rMaxSize.width = aUnion.size.width;
    if( aUnion.size.height > rMaxSize.height )
        rMaxSize.height = aUnion.size.height;
}

static void adjustTabViews( NSTabView* pTabView, NSSize aTabSize )
{
    // loop over all contained tab pages
    NSArray* pTabbedViews = [pTabView tabViewItems];
    int nViews = [pTabbedViews count];
    for( int i = 0; i < nViews; i++ )
    {
        NSTabViewItem* pItem = static_cast<NSTabViewItem*>([pTabbedViews objectAtIndex: i]);
        NSView* pNSView = [pItem view];
        if( pNSView )
        {
            NSRect aRect = [pNSView frame];
            double nDiff = aTabSize.height - aRect.size.height;
            aRect.size = aTabSize;
            [pNSView setFrame: aRect];
            
            NSArray* pSubViews = [pNSView subviews];
            unsigned int nSubViews = [pSubViews count];

            // move everything up
            for( unsigned int n = 0; n < nSubViews; n++ )
            {
                NSView* pCurSubView = [pSubViews objectAtIndex: n];
                NSRect aFrame = [pCurSubView frame];
                aFrame.origin.y += nDiff;
                // give separators the correct width
                // separators are currently the only NSBoxes we use
                if( [pCurSubView isMemberOfClass: [NSBox class]] )
                {
                    aFrame.size.width = aTabSize.width - aFrame.origin.x - 10;
                }
                [pCurSubView setFrame: aFrame];
            }
        }
    }
}

static NSControl* createLabel( const OUString& i_rText )
{
    NSString* pText = CreateNSString( i_rText );
    NSRect aTextRect = { NSZeroPoint, {20, 15} };
    NSTextField* pTextView = [[NSTextField alloc] initWithFrame: aTextRect];
    [pTextView setFont: [NSFont controlContentFontOfSize: 0]];
    [pTextView setEditable: NO];
    [pTextView setSelectable: NO];
    [pTextView setDrawsBackground: NO];
    [pTextView setBordered: NO];
    [pTextView setStringValue: pText];
    [pTextView sizeToFit];
    [pText release];
    return pTextView;
}

static sal_Int32 findBreak( const OUString& i_rText, sal_Int32 i_nPos )
{
    sal_Int32 nRet = i_rText.getLength();
    Reference< i18n::XBreakIterator > xBI( vcl::unohelper::CreateBreakIterator() );
    if( xBI.is() )
    {
        i18n::Boundary aBoundary =
                xBI->getWordBoundary( i_rText, i_nPos,
                                      Application::GetSettings().GetLanguageTag().getLocale(),
                                      i18n::WordType::ANYWORD_IGNOREWHITESPACES,
                                      true );
        nRet = aBoundary.endPos;
    }
    return nRet;
}

static void linebreakCell( NSCell* pBtn, const OUString& i_rText )
{
    NSString* pText = CreateNSString( i_rText );
    [pBtn setTitle: pText];
    [pText release];
    NSSize aSize = [pBtn cellSize];
    if( aSize.width > 280 )
    {
        // need two lines
        sal_Int32 nLen = i_rText.getLength();
        sal_Int32 nIndex = nLen / 2;
        nIndex = findBreak( i_rText, nIndex );
        if( nIndex < nLen )
        {
            OUStringBuffer aBuf( i_rText );
            aBuf[nIndex] = '\n';
            pText = CreateNSString( aBuf.makeStringAndClear() );
            [pBtn setTitle: pText];
            [pText release];
        }
    }
}

static void addSubgroup( NSView* pCurParent, long& rCurY, const OUString& rText )
{
    NSControl* pTextView = createLabel( rText );
    [pCurParent addSubview: [pTextView autorelease]];                
    NSRect aTextRect = [pTextView frame];
    // move to nCurY
    aTextRect.origin.y = rCurY - aTextRect.size.height;
    [pTextView setFrame: aTextRect];
    
    NSRect aSepRect = { { aTextRect.size.width + 1, aTextRect.origin.y }, { 100, 6 } };
    NSBox* pBox = [[NSBox alloc] initWithFrame: aSepRect];
    [pBox setBoxType: NSBoxSeparator];
    [pCurParent addSubview: [pBox autorelease]];
    
    // update nCurY
    rCurY = aTextRect.origin.y - 5;
}

static void addBool( NSView* pCurParent, long rCurX, long& rCurY, long nAttachOffset,
                    const OUString& rText, bool bEnabled,
                    const OUString& rProperty, bool bValue,
                    std::vector<ColumnItem >& rRightColumn,
                    ControllerProperties* pControllerProperties,
                    ControlTarget* pCtrlTarget
                    )
{
    NSRect aCheckRect = { { static_cast<CGFloat>(rCurX + nAttachOffset), 0 }, { 0, 15 } };
    NSButton* pBtn = [[NSButton alloc] initWithFrame: aCheckRect];
    [pBtn setButtonType: NSButtonTypeSwitch];                
    [pBtn setState: bValue ? NSControlStateValueOn : NSControlStateValueOff];
    if( ! bEnabled )
        [pBtn setEnabled: NO];
    linebreakCell( [pBtn cell], rText );
    [pBtn sizeToFit];
    
    rRightColumn.push_back( ColumnItem( pBtn ) );
    
    // connect target
    [pBtn setTarget: pCtrlTarget];
    [pBtn setAction: @selector(triggered:)];
    int nTag = pControllerProperties->addNameTag( rProperty );
    pControllerProperties->addObservedControl( pBtn );
    [pBtn setTag: nTag];
    
    aCheckRect = [pBtn frame];
    // #i115837# add a murphy factor; it can apparently occasionally happen
    // that sizeToFit does not a perfect job and that the button linebreaks again
    // if - and only if - there is already a '\n' contained in the text and the width
    // is minimally of
    aCheckRect.size.width += 1;
    
    // move to rCurY
    aCheckRect.origin.y = rCurY - aCheckRect.size.height;
    [pBtn setFrame: aCheckRect];

    [pCurParent addSubview: [pBtn autorelease]];
    
    // update rCurY
    rCurY = aCheckRect.origin.y - 5;
}

static void addRadio( NSView* pCurParent, long rCurX, long& rCurY, long nAttachOffset,
                     const OUString& rText,
                     const OUString& rProperty, Sequence<OUString> const & rChoices, sal_Int32 nSelectValue,
                     std::vector<ColumnItem >& rLeftColumn,
                     std::vector<ColumnItem >& rRightColumn,
                     ControllerProperties* pControllerProperties,
                     ControlTarget* pCtrlTarget
                     )
{
    sal_Int32 nOff = 0;
    if( rText.getLength() )
    {
        // add a label
        NSControl* pTextView = createLabel( rText );
        NSRect aTextRect = [pTextView frame];
        aTextRect.origin.x = rCurX + nAttachOffset;
        [pCurParent addSubview: [pTextView autorelease]];
        
        rLeftColumn.push_back( ColumnItem( pTextView ) );
        
        // move to nCurY
        aTextRect.origin.y = rCurY - aTextRect.size.height;
        [pTextView setFrame: aTextRect];
        
        // update nCurY
        rCurY = aTextRect.origin.y - 5;
        
        // indent the radio group relative to the text
        // nOff = 20;
    }
    
    // setup radio matrix
    NSButtonCell* pProto = [[NSButtonCell alloc] init];
    
    NSRect aRadioRect = { { static_cast<CGFloat>(rCurX + nOff), 0 },
                          { static_cast<CGFloat>(280 - rCurX),
                            static_cast<CGFloat>(5*rChoices.getLength()) } };
    [pProto setTitle: @"RadioButtonGroup"];
    [pProto setButtonType: NSButtonTypeRadio];
    NSMatrix* pMatrix = [[NSMatrix alloc] initWithFrame: aRadioRect
                                          mode: NSRadioModeMatrix
                                          prototype: static_cast<NSCell*>(pProto)
                                          numberOfRows: rChoices.getLength()
                                          numberOfColumns: 1];
    // set individual titles
    NSArray* pCells = [pMatrix cells];
    for( sal_Int32 m = 0; m < rChoices.getLength(); m++ )
    {
        NSCell* pCell = [pCells objectAtIndex: m];
        linebreakCell( pCell, filterAccelerator( rChoices[m] ) );
        // connect target and action
        [pCell setTarget: pCtrlTarget];
        [pCell setAction: @selector(triggered:)];
        int nTag = pControllerProperties->addNameAndValueTag( rProperty, m );
        pControllerProperties->addObservedControl( pCell );
        [pCell setTag: nTag];
        // set current selection
        if( nSelectValue == m )
            [pMatrix selectCellAtRow: m column: 0];
    }
    [pMatrix sizeToFit];
    aRadioRect = [pMatrix frame];
    
    // move it down, so it comes to the correct position
    aRadioRect.origin.y = rCurY - aRadioRect.size.height;
    [pMatrix setFrame: aRadioRect];
    [pCurParent addSubview: [pMatrix autorelease]];
    
    rRightColumn.push_back( ColumnItem( pMatrix ) );
    
    // update nCurY
    rCurY = aRadioRect.origin.y - 5;
    
    [pProto release];
}

static void addList( NSView* pCurParent, long& rCurX, long& rCurY, long /*nAttachOffset*/,
                    const OUString& rText,
                    const OUString& rProperty, Sequence<OUString> const & rChoices, sal_Int32 nSelectValue,
                    std::vector<ColumnItem >& rLeftColumn,
                    std::vector<ColumnItem >& rRightColumn,
                    ControllerProperties* pControllerProperties,
                    ControlTarget* pCtrlTarget
                    )
{
    // don't indent attached lists, looks bad in the existing cases
    NSControl* pTextView = createLabel( rText );
    [pCurParent addSubview: [pTextView autorelease]];
    rLeftColumn.push_back( ColumnItem( pTextView ) );
    NSRect aTextRect = [pTextView frame];
    aTextRect.origin.x = rCurX /* + nAttachOffset*/;

    // don't indent attached lists, looks bad in the existing cases
    NSRect aBtnRect = { { rCurX /*+ nAttachOffset*/ + aTextRect.size.width, 0 }, { 0, 15 } };
    NSPopUpButton* pBtn = [[NSPopUpButton alloc] initWithFrame: aBtnRect pullsDown: NO];

    // iterate options
    for( sal_Int32 m = 0; m < rChoices.getLength(); m++ )
    {
        NSString* pItemText = CreateNSString( rChoices[m] );
        [pBtn addItemWithTitle: pItemText];
        NSMenuItem* pItem = [pBtn itemWithTitle: pItemText];
        int nTag = pControllerProperties->addNameAndValueTag( rProperty, m );
        [pItem setTag: nTag];
        [pItemText release];
    }

    [pBtn selectItemAtIndex: nSelectValue];
    
    // add the button to observed controls for enabled state changes
    // also add a tag just for this purpose
    pControllerProperties->addObservedControl( pBtn );
    [pBtn setTag: pControllerProperties->addNameTag( rProperty )];

    [pBtn sizeToFit];
    [pCurParent addSubview: [pBtn autorelease]];
    
    rRightColumn.push_back( ColumnItem( pBtn ) );

    // connect target and action
    [pBtn setTarget: pCtrlTarget];
    [pBtn setAction: @selector(triggered:)];
    
    // move to nCurY
    aBtnRect = [pBtn frame];
    aBtnRect.origin.y = rCurY - aBtnRect.size.height;
    [pBtn setFrame: aBtnRect];
    
    // align label
    aTextRect.origin.y = aBtnRect.origin.y + (aBtnRect.size.height - aTextRect.size.height)/2;
    [pTextView setFrame: aTextRect];

    // update rCurY
    rCurY = aBtnRect.origin.y - 5;
}

static void addEdit( NSView* pCurParent, long rCurX, long& rCurY, long nAttachOffset,
                    const OUString& rCtrlType,
                    const OUString& rText,
                    const OUString& rProperty, const PropertyValue* pValue,
                    sal_Int64 nMinValue, sal_Int64 nMaxValue,
                    std::vector<ColumnItem >& rLeftColumn,
                    std::vector<ColumnItem >& rRightColumn,
                    ControllerProperties* pControllerProperties,
                    ControlTarget* pCtrlTarget
                    )
{
    sal_Int32 nOff = 0;
    if( rText.getLength() )
    {
        // add a label
        NSControl* pTextView = createLabel( rText );
        [pCurParent addSubview: [pTextView autorelease]];
        
        rLeftColumn.push_back( ColumnItem( pTextView ) );
        
        // move to nCurY
        NSRect aTextRect = [pTextView frame];
        aTextRect.origin.x = rCurX + nAttachOffset;
        aTextRect.origin.y = rCurY - aTextRect.size.height;
        [pTextView setFrame: aTextRect];
        
        // update nCurY
        rCurY = aTextRect.origin.y - 5;
        
        // and set the offset for the real edit field
        nOff = aTextRect.size.width + 5;
    }
    
    NSRect aFieldRect = { { static_cast<CGFloat>(rCurX + nOff + nAttachOffset), 0 }, { 100, 25 } };
    NSTextField* pFieldView = [[NSTextField alloc] initWithFrame: aFieldRect];
    [pFieldView setEditable: YES];
    [pFieldView setSelectable: YES];
    [pFieldView setDrawsBackground: YES];
    [pFieldView sizeToFit]; // FIXME: this does nothing
    [pCurParent addSubview: [pFieldView autorelease]];
    
    rRightColumn.push_back( ColumnItem( pFieldView ) );
    
    // add the field to observed controls for enabled state changes
    // also add a tag just for this purpose
    pControllerProperties->addObservedControl( pFieldView );
    int nTag = pControllerProperties->addNameTag( rProperty );
    [pFieldView setTag: nTag];
    // pControllerProperties->addNamedView( pFieldView, aPropertyName );

    // move to nCurY
    aFieldRect.origin.y = rCurY - aFieldRect.size.height;
    [pFieldView setFrame: aFieldRect];

    if( rCtrlType == "Range" )
    {
        // add a stepper control
        NSRect aStepFrame = { { aFieldRect.origin.x + aFieldRect.size.width + 5,
                                aFieldRect.origin.y },
                            { 15, aFieldRect.size.height } };
        NSStepper* pStep = [[NSStepper alloc] initWithFrame: aStepFrame];
        [pStep setIncrement: 1];
        [pStep setValueWraps: NO];
        [pStep setTag: nTag];
        [pCurParent addSubview: [pStep autorelease]];
        
        rRightColumn.back().pSubControl = pStep;
        
        pControllerProperties->addObservedControl( pStep );
        [pStep setTarget: pCtrlTarget];
        [pStep setAction: @selector(triggered:)];
        
        // constrain the text field to decimal numbers
        NSNumberFormatter* pFormatter = [[NSNumberFormatter alloc] init];
        [pFormatter setFormatterBehavior: NSNumberFormatterBehavior10_4];
        [pFormatter setNumberStyle: NSNumberFormatterDecimalStyle];
        [pFormatter setAllowsFloats: NO];
        [pFormatter setMaximumFractionDigits: 0];
        if( nMinValue != nMaxValue )
        {
            [pFormatter setMinimum: [[NSNumber numberWithInt: nMinValue] autorelease]];
            [pStep setMinValue: nMinValue];
            [pFormatter setMaximum: [[NSNumber numberWithInt: nMaxValue] autorelease]];
            [pStep setMaxValue: nMaxValue];
        }
        [pFieldView setFormatter: pFormatter];

        sal_Int64 nSelectVal = 0;
        if( pValue && pValue->Value.hasValue() )
            pValue->Value >>= nSelectVal;
        
        [pFieldView setIntValue: nSelectVal];
        [pStep setIntValue: nSelectVal];

        pControllerProperties->addViewPair( pFieldView, pStep );
        // connect target and action
        [pFieldView setTarget: pCtrlTarget];
        [pFieldView setAction: @selector(triggeredNumeric:)];
        [pStep setTarget: pCtrlTarget];
        [pStep setAction: @selector(triggeredNumeric:)];
    }
    else
    {
        // connect target and action
        [pFieldView setTarget: pCtrlTarget];
        [pFieldView setAction: @selector(triggered:)];

        if( pValue && pValue->Value.hasValue() )
        {
            OUString aValue;
            pValue->Value >>= aValue;
            if( aValue.getLength() )
            {
                NSString* pText = CreateNSString( aValue );
                [pFieldView setStringValue: pText];
                [pText release];
            }
        }
    }

    // update nCurY
    rCurY = aFieldRect.origin.y - 5;
}

@implementation AquaPrintAccessoryView

+(NSObject*)setupPrinterPanel: (NSPrintOperation*)pOp
               withController: (vcl::PrinterController*)pController
                    withState: (PrintAccessoryViewState*)pState
{
    const Sequence< PropertyValue >& rOptions( pController->getUIOptions() );
    if( rOptions.getLength() == 0 )
        return nil;

    NSRect aViewFrame = { NSZeroPoint, { 600, 400 } };
    NSRect aTabViewFrame = aViewFrame;

    NSView* pAccessoryView = [[NSView alloc] initWithFrame: aViewFrame];
    NSTabView* pTabView = [[NSTabView alloc] initWithFrame: aTabViewFrame];
    [pAccessoryView addSubview: [pTabView autorelease]];

    // create the accessory controller
    AquaPrintPanelAccessoryController* pAccessoryController =
            [[AquaPrintPanelAccessoryController alloc] initWithNibName: nil bundle: nil];
    [pAccessoryController setView: [pAccessoryView autorelease]];
    [pAccessoryController forPrintOperation: pOp];
    [pAccessoryController withPrinterController: pController];
    [pAccessoryController withViewState: pState];

    NSView* pCurParent = nullptr;
    long nCurY = 0;
    long nCurX = 0;
    NSSize aMaxTabSize = NSZeroSize;

    ControllerProperties* pControllerProperties = new ControllerProperties( pAccessoryController );
    ControlTarget* pCtrlTarget = [[ControlTarget alloc] initWithControllerMap: pControllerProperties];

    std::vector< ColumnItem > aLeftColumn, aRightColumn;

    // ugly:
    // prepend a "selection" checkbox if the properties have such a selection in PrintContent
    bool bAddSelectionCheckBox = false, bSelectionBoxEnabled = false, bSelectionBoxChecked = false;

    for( const PropertyValue & prop : rOptions )
    {
        Sequence< beans::PropertyValue > aOptProp;
        prop.Value >>= aOptProp;

        OUString aCtrlType;
        OUString aPropertyName;
        Sequence< OUString > aChoices;
        Sequence< sal_Bool > aChoicesDisabled;
        sal_Int32 aSelectionChecked = 0;
        for( const beans::PropertyValue& rEntry : aOptProp )
        {
            if( rEntry.Name == "ControlType" )
            {
                rEntry.Value >>= aCtrlType;
            }
            else if( rEntry.Name == "Choices" )
            {
                rEntry.Value >>= aChoices;
            }
            else if( rEntry.Name == "ChoicesDisabled" )
            {
                rEntry.Value >>= aChoicesDisabled;
            }
            else if( rEntry.Name == "Property" )
            {
                PropertyValue aVal;
                rEntry.Value >>= aVal;
                aPropertyName = aVal.Name;
                if( aPropertyName == "PrintContent" )
                    aVal.Value >>= aSelectionChecked;
            }
        }
        if( aCtrlType == "Radio" &&
            aPropertyName == "PrintContent" &&
            aChoices.getLength() > 2 )
        {
            bAddSelectionCheckBox = true;
            bSelectionBoxEnabled = aChoicesDisabled.getLength() < 2 || ! aChoicesDisabled[2];
            bSelectionBoxChecked = (aSelectionChecked==2);
            break;
        }
    }

    for( const PropertyValue & prop : rOptions )
    {
        Sequence< beans::PropertyValue > aOptProp;
        prop.Value >>= aOptProp;

        // extract ui element
        OUString aCtrlType;
        OUString aText;
        OUString aPropertyName;
        OUString aGroupHint;
        Sequence< OUString > aChoices;
        bool bEnabled = true;
        sal_Int64 nMinValue = 0, nMaxValue = 0;
        long nAttachOffset = 0;
        bool bIgnore = false;

        for( const beans::PropertyValue& rEntry : aOptProp )
        {
            if( rEntry.Name == "Text" )
            {
                rEntry.Value >>= aText;
                aText = filterAccelerator( aText );
            }
            else if( rEntry.Name == "ControlType" )
            {
                rEntry.Value >>= aCtrlType;
            }
            else if( rEntry.Name == "Choices" )
            {
                rEntry.Value >>= aChoices;
            }
            else if( rEntry.Name == "Property" )
            {
                PropertyValue aVal;
                rEntry.Value >>= aVal;
                aPropertyName = aVal.Name;
            }
            else if( rEntry.Name == "Enabled" )
            {
                bool bValue = true;
                rEntry.Value >>= bValue;
                bEnabled = bValue;
            }
            else if( rEntry.Name == "MinValue" )
            {
                rEntry.Value >>= nMinValue;
            }
            else if( rEntry.Name == "MaxValue" )
            {
                rEntry.Value >>= nMaxValue;
            }
            else if( rEntry.Name == "AttachToDependency" )
            {
                nAttachOffset = 20;
            }
            else if( rEntry.Name == "InternalUIOnly" )
            {
                bool bValue = false;
                rEntry.Value >>= bValue;
                bIgnore = bValue;
            }
            else if( rEntry.Name == "GroupingHint" )
            {
                rEntry.Value >>= aGroupHint;
            }
        }

        if( aCtrlType == "Group" ||
            aCtrlType == "Subgroup" ||
            aCtrlType == "Radio" ||
            aCtrlType == "List"  ||
            aCtrlType == "Edit"  ||
            aCtrlType == "Range"  ||
            aCtrlType == "Bool" )
        {
            bool bIgnoreSubgroup = false;

            // with `setAccessoryView' method only one accessory view can be set
            // so create this single accessory view as tabbed for grouping
            if( aCtrlType == "Group"
                || ! pCurParent
                || ( aCtrlType == "Subgroup" && nCurY < -250 && ! bIgnore )
               )
            {
                OUString aGroupTitle( aText );
                if( aCtrlType == "Subgroup" )
                    aGroupTitle = ControllerProperties::getMoreString();

                // set size of current parent
                if( pCurParent )
                    adjustViewAndChildren( pCurParent, aMaxTabSize, aLeftColumn, aRightColumn );

                // new tab item
                if( ! aText.getLength() )
                    aText = "OOo";
                NSString* pLabel = CreateNSString( aGroupTitle );
                NSTabViewItem* pItem = [[NSTabViewItem alloc] initWithIdentifier: pLabel ];
                [pItem setLabel: pLabel];
                [pTabView addTabViewItem: pItem];
                pCurParent = [[NSView alloc] initWithFrame: aTabViewFrame];
                [pItem setView: pCurParent];
                [pLabel release];

                nCurX = 20; // reset indent
                nCurY = 0;  // reset Y
                // clear columns
                aLeftColumn.clear();
                aRightColumn.clear();

                if( bAddSelectionCheckBox )
                {
                    addBool( pCurParent, nCurX, nCurY, 0,
                             ControllerProperties::getPrintSelectionString(), bSelectionBoxEnabled,
                             "PrintContent", bSelectionBoxChecked,
                             aRightColumn, pControllerProperties, pCtrlTarget );
                    bAddSelectionCheckBox = false;
                }
            }

            if( aCtrlType == "Subgroup" && pCurParent )
            {
                bIgnoreSubgroup = bIgnore;
                if( bIgnore )
                    continue;
                
                addSubgroup( pCurParent, nCurY, aText );
            }
            else if( bIgnoreSubgroup || bIgnore )
            {
                continue;
            }
            else if( aCtrlType == "Bool" && pCurParent )
            {
                bool bVal = false;
                PropertyValue* pVal = pController->getValue( aPropertyName );
                if( pVal )
                    pVal->Value >>= bVal;
                addBool( pCurParent, nCurX, nCurY, nAttachOffset,
                         aText, true, aPropertyName, bVal,
                         aRightColumn, pControllerProperties, pCtrlTarget );
            }
            else if( aCtrlType == "Radio" && pCurParent )
            {
                // get currently selected value
                sal_Int32 nSelectVal = 0;
                PropertyValue* pVal = pController->getValue( aPropertyName );
                if( pVal && pVal->Value.hasValue() )
                    pVal->Value >>= nSelectVal;

                addRadio( pCurParent, nCurX, nCurY, nAttachOffset,
                          aText, aPropertyName, aChoices, nSelectVal,
                          aLeftColumn, aRightColumn,
                          pControllerProperties, pCtrlTarget );
            }
            else if( aCtrlType == "List" && pCurParent )
            {
                PropertyValue* pVal = pController->getValue( aPropertyName );
                sal_Int32 aSelectVal = 0;
                if( pVal && pVal->Value.hasValue() )
                    pVal->Value >>= aSelectVal;

                addList( pCurParent, nCurX, nCurY, nAttachOffset,
                         aText, aPropertyName, aChoices, aSelectVal,
                         aLeftColumn, aRightColumn,
                         pControllerProperties, pCtrlTarget );
            }
            else if( (aCtrlType == "Edit"
                || aCtrlType == "Range") && pCurParent )
            {
                // current value
                PropertyValue* pVal = pController->getValue( aPropertyName );
                addEdit( pCurParent, nCurX, nCurY, nAttachOffset,
                         aCtrlType, aText, aPropertyName, pVal,
                         nMinValue, nMaxValue,
                         aLeftColumn, aRightColumn,
                         pControllerProperties, pCtrlTarget );
            }
        }
        else
        {
            SAL_INFO( "vcl.osx.print", "Unsupported UI option \"" << aCtrlType << "\"");
        }
    }

    pControllerProperties->updateEnableState();
    adjustViewAndChildren( pCurParent, aMaxTabSize, aLeftColumn, aRightColumn );

    // now reposition everything again so it is upper bound
    adjustTabViews( pTabView, aMaxTabSize );

    // find the minimum needed tab size
    NSSize aTabCtrlSize = [pTabView minimumSize];
    aTabCtrlSize.height += aMaxTabSize.height + 10;
    if( aTabCtrlSize.width < aMaxTabSize.width + 10 )
        aTabCtrlSize.width = aMaxTabSize.width + 10;
    [pTabView setFrameSize: aTabCtrlSize];
    aViewFrame.size.width = aTabCtrlSize.width + aTabViewFrame.origin.x;
    aViewFrame.size.height = aTabCtrlSize.height + aTabViewFrame.origin.y;
    [pAccessoryView setFrameSize: aViewFrame.size];

    // get the print panel
    NSPrintPanel* pPrintPanel = [pOp printPanel];
    [pPrintPanel setOptions: [pPrintPanel options] | NSPrintPanelShowsPreview];
    // add the accessory controller to the panel
    [pPrintPanel addAccessoryController: [pAccessoryController autorelease]];

    // set the current selected tab item
    if( pState->nLastPage >= 0 && pState->nLastPage < [pTabView numberOfTabViewItems] )
        [pTabView selectTabViewItemAtIndex: pState->nLastPage];

    return pCtrlTarget;
}

@end

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */