/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#include "precompiled_reportdesign.hxx"
#include "SectionWindow.hxx"
#include "ReportWindow.hxx"
#include "ReportRuler.hxx"
#include "rptui_slotid.hrc"
#include "ReportController.hxx"
#include "SectionView.hxx"
#include "RptDef.hxx"
#include "ReportSection.hxx"
#include "DesignView.hxx"
#include "uistrings.hrc"
#include "helpids.hrc"
#include "RptResId.hrc"
#include "StartMarker.hxx"
#include "EndMarker.hxx"
#include "ViewsWindow.hxx"

#include <svtools/colorcfg.hxx>
#include <boost/bind.hpp>
#include <functional>
#include <algorithm>
#include <vcl/svapp.hxx>
#include <connectivity/dbtools.hxx>

namespace rptui
{
#define SECTION_OFFSET	3

using namespace ::com::sun::star;
using namespace ::comphelper;

DBG_NAME( rpt_OSectionWindow )
OSectionWindow::OSectionWindow( OViewsWindow* _pParent,const uno::Reference< report::XSection >& _xSection,const ::rtl::OUString& _sColorEntry)
: Window( _pParent,WB_DIALOGCONTROL)
,OPropertyChangeListener(m_aMutex)
,m_pParent(_pParent)
,m_aStartMarker( this,_sColorEntry)
,m_aReportSection( this,_xSection)
,m_aSplitter(this)
,m_aEndMarker( this,_sColorEntry)
{
    DBG_CTOR( rpt_OSectionWindow,NULL);
	SetUniqueId(UID_RPT_SECTIONSWINDOW);
    const MapMode& rMapMode = _pParent->GetMapMode();
	SetMapMode( rMapMode );
	ImplInitSettings();
    // TRY
    m_aSplitter.SetMapMode( MapMode( MAP_100TH_MM ) );
    m_aSplitter.SetStartSplitHdl(LINK(this, OSectionWindow,StartSplitHdl));
	m_aSplitter.SetSplitHdl(LINK(this, OSectionWindow,SplitHdl));
	m_aSplitter.SetEndSplitHdl(LINK(this, OSectionWindow,EndSplitHdl));
    m_aSplitter.SetBackground( Wallpaper( Application::GetSettings().GetStyleSettings().GetFaceColor() ));
    m_aSplitter.SetSplitPosPixel(m_aSplitter.LogicToPixel(Size(0,_xSection->getHeight())).Height());
	
    
    m_aStartMarker.setCollapsedHdl(LINK(this,OSectionWindow,Collapsed));

    m_aStartMarker.zoom(rMapMode.GetScaleX());
    setZoomFactor(rMapMode.GetScaleX(),m_aReportSection);
    setZoomFactor(rMapMode.GetScaleX(),m_aSplitter);
    setZoomFactor(rMapMode.GetScaleX(),m_aEndMarker);

    m_aSplitter.Show();
	m_aStartMarker.Show();
	m_aReportSection.Show();
	m_aEndMarker.Show();
    Show();

    m_pSectionMulti = new OPropertyChangeMultiplexer(this,_xSection.get());
    m_pSectionMulti->addProperty(PROPERTY_NAME);
	m_pSectionMulti->addProperty(PROPERTY_HEIGHT);

    beans::PropertyChangeEvent aEvent;
    aEvent.Source = _xSection;
    aEvent.PropertyName = PROPERTY_NAME;
    uno::Reference< report::XGroup > xGroup(_xSection->getGroup());
    if ( xGroup.is() )
    {
        m_pGroupMulti = new OPropertyChangeMultiplexer(this,xGroup.get());
        m_pGroupMulti->addProperty(PROPERTY_EXPRESSION);
        aEvent.Source = xGroup;
        aEvent.PropertyName = PROPERTY_EXPRESSION;
    }
    
    _propertyChanged(aEvent);
}
// -----------------------------------------------------------------------------
OSectionWindow::~OSectionWindow()
{
    DBG_DTOR( rpt_OSectionWindow,NULL);
	try
	{
        if ( m_pSectionMulti.is() )
            m_pSectionMulti->dispose();
        if ( m_pGroupMulti.is() )
            m_pGroupMulti->dispose();
	}
	catch (uno::Exception&)
	{
	}	
}
// -----------------------------------------------------------------------------
void OSectionWindow::_propertyChanged(const beans::PropertyChangeEvent& _rEvent) throw( uno::RuntimeException)
{
    const uno::Reference< report::XSection > xSection(_rEvent.Source,uno::UNO_QUERY);
	if ( xSection.is() )
	{
		const uno::Reference< report::XSection> xCurrentSection = m_aReportSection.getSection();
        if ( _rEvent.PropertyName.equals(PROPERTY_HEIGHT) )
        {
            static bool t4 = true;
        if ( t4 )
            m_pParent->getView()->SetUpdateMode(sal_False);
            //Resize();
	        m_pParent->getView()->notifySizeChanged();
	        m_pParent->resize(*this);
            if ( t4 )
            m_pParent->getView()->SetUpdateMode(sal_True);
            // getViewsWindow()->getView()->getReportView()->getController().resetZoomType();
		}
        else if ( _rEvent.PropertyName.equals(PROPERTY_NAME) && !xSection->getGroup().is() )
        {
            uno::Reference< report::XReportDefinition > xReport = xSection->getReportDefinition();
            if (    setReportSectionTitle(xReport,RID_STR_REPORT_HEADER,::std::mem_fun(&OReportHelper::getReportHeader),::std::mem_fun(&OReportHelper::getReportHeaderOn)) 
                ||  setReportSectionTitle(xReport,RID_STR_REPORT_FOOTER,::std::mem_fun(&OReportHelper::getReportFooter),::std::mem_fun(&OReportHelper::getReportFooterOn))
                ||  setReportSectionTitle(xReport,RID_STR_PAGE_HEADER,::std::mem_fun(&OReportHelper::getPageHeader),::std::mem_fun(&OReportHelper::getPageHeaderOn))
                ||  setReportSectionTitle(xReport,RID_STR_PAGE_FOOTER,::std::mem_fun(&OReportHelper::getPageFooter),::std::mem_fun(&OReportHelper::getPageFooterOn)) )
            {
                m_aStartMarker.Invalidate(INVALIDATE_NOERASE);
            }
            else
            {
                String sTitle = String(ModuleRes(RID_STR_DETAIL));
                m_aStartMarker.setTitle(sTitle);
                m_aStartMarker.Invalidate(INVALIDATE_CHILDREN);
            }
        }
	} // if ( xSection.is() )
    else if ( _rEvent.PropertyName.equals(PROPERTY_EXPRESSION) )
    {
        uno::Reference< report::XGroup > xGroup(_rEvent.Source,uno::UNO_QUERY);
        if ( xGroup.is() && !setGroupSectionTitle(xGroup,RID_STR_HEADER,::std::mem_fun(&OGroupHelper::getHeader),::std::mem_fun(&OGroupHelper::getHeaderOn)))
        {
            setGroupSectionTitle(xGroup,RID_STR_FOOTER,::std::mem_fun(&OGroupHelper::getFooter),::std::mem_fun(&OGroupHelper::getFooterOn));
        }
    }
}
// -----------------------------------------------------------------------------
bool OSectionWindow::setReportSectionTitle(const uno::Reference< report::XReportDefinition>& _xReport,sal_uInt16 _nResId,::std::mem_fun_t<uno::Reference<report::XSection> , OReportHelper> _pGetSection,::std::mem_fun_t<sal_Bool,OReportHelper> _pIsSectionOn)
{
    OReportHelper aReportHelper(_xReport);
    const bool bRet = _pIsSectionOn(&aReportHelper) && _pGetSection(&aReportHelper) == m_aReportSection.getSection();
    if ( bRet )
    {
        String sTitle = String(ModuleRes(_nResId));
        m_aStartMarker.setTitle(sTitle);
        m_aStartMarker.Invalidate(INVALIDATE_CHILDREN);
    } // if ( bRet )
    return bRet;
}
// -----------------------------------------------------------------------------
bool OSectionWindow::setGroupSectionTitle(const uno::Reference< report::XGroup>& _xGroup,sal_uInt16 _nResId,::std::mem_fun_t<uno::Reference<report::XSection> , OGroupHelper> _pGetSection,::std::mem_fun_t<sal_Bool,OGroupHelper> _pIsSectionOn)
{
    OGroupHelper aGroupHelper(_xGroup);
    const bool bRet = _pIsSectionOn(&aGroupHelper) && _pGetSection(&aGroupHelper) == m_aReportSection.getSection() ;
    if ( bRet )
    {
        ::rtl::OUString sExpression = _xGroup->getExpression();
        ::rtl::OUString sLabel = getViewsWindow()->getView()->getReportView()->getController().getColumnLabel_throw(sExpression);
        if ( sLabel.getLength() )
        {
            sExpression = sLabel;
        }

        String sTitle = String(ModuleRes(_nResId));
        sTitle.SearchAndReplace('#',sExpression);
        m_aStartMarker.setTitle(sTitle);
        m_aStartMarker.Invalidate(INVALIDATE_CHILDREN);
    } // if ( _pIsSectionOn(&aGroupHelper) )
    return bRet;
}
//------------------------------------------------------------------------------
void OSectionWindow::ImplInitSettings()
{
    static bool t = false;
    if ( t )
    {
    EnableChildTransparentMode( sal_True );
    SetParentClipMode( PARENTCLIPMODE_NOCLIP );
    SetPaintTransparent( sal_True );
    }
	SetBackground( );
}
//-----------------------------------------------------------------------------
void OSectionWindow::DataChanged( const DataChangedEvent& rDCEvt )
{
	Window::DataChanged( rDCEvt );

	if ( (rDCEvt.GetType() == DATACHANGED_SETTINGS) &&
		 (rDCEvt.GetFlags() & SETTINGS_STYLE) )
	{
		ImplInitSettings();		
		Invalidate();
	}
}
//------------------------------------------------------------------------------
void OSectionWindow::Resize()
{
	Window::Resize();	
	
    Size aOutputSize = GetOutputSizePixel();
    Fraction aEndWidth(long(REPORT_ENDMARKER_WIDTH));
    aEndWidth *= GetMapMode().GetScaleX();

    const Point aThumbPos = m_pParent->getView()->getThumbPos();
    aOutputSize.Width() -= aThumbPos.X();
    aOutputSize.Height() -=  m_aSplitter.GetSizePixel().Height();

	if ( m_aStartMarker.isCollapsed() )
    {
        Point aPos(0,0);
		m_aStartMarker.SetPosSizePixel(aPos,aOutputSize);
	}
    else
	{	
        const bool bShowEndMarker = m_pParent->getView()->GetTotalWidth() <= (aThumbPos.X() +  aOutputSize.Width() );
        
        Fraction aStartWidth(long(REPORT_STARTMARKER_WIDTH));
        aStartWidth *= GetMapMode().GetScaleX();

        // set start marker
		m_aStartMarker.SetPosSizePixel(Point(0,0),Size(aStartWidth,aOutputSize.Height()));

        // set report section
        const uno::Reference< report::XSection> xSection = m_aReportSection.getSection();
	    Size aSectionSize = LogicToPixel( Size( 0,xSection->getHeight() ) );
        Point aReportPos(aStartWidth,0);
        aSectionSize.Width() = aOutputSize.Width() - (long)aStartWidth;
        if ( bShowEndMarker )
            aSectionSize.Width() -= (long)aEndWidth;

        m_aReportSection.SetPosSizePixel(aReportPos,aSectionSize);

        // set splitter
        aReportPos.Y() += aSectionSize.Height();
		m_aSplitter.SetPosSizePixel(aReportPos,Size(aSectionSize.Width(),m_aSplitter.GetSizePixel().Height()));
        aSectionSize.Height() = (long)(1000 * (double)GetMapMode().GetScaleY());
		m_aSplitter.SetDragRectPixel( Rectangle(Point(aStartWidth,0),aSectionSize));

        // set end marker
        aReportPos.X() += aSectionSize.Width();
        aReportPos.Y() = 0;
        m_aEndMarker.Show(bShowEndMarker);
		m_aEndMarker.SetPosSizePixel(aReportPos,Size(aEndWidth,aOutputSize.Height()));
	}
}
// -----------------------------------------------------------------------------
void OSectionWindow::setCollapsed(sal_Bool _bCollapsed)
{
    if ( m_aStartMarker.isCollapsed() != _bCollapsed )
    {
        m_aStartMarker.setCollapsed(_bCollapsed);
    }
}
//-----------------------------------------------------------------------------
void OSectionWindow::showProperties()
{
	m_pParent->getView()->showProperties( m_aReportSection.getSection().get() );
}
//-----------------------------------------------------------------------------
void OSectionWindow::setMarked(sal_Bool _bMark)
{
    m_aStartMarker.setMarked(_bMark);
    m_aEndMarker.setMarked(_bMark);
}
// -----------------------------------------------------------------------------
IMPL_LINK( OSectionWindow, Collapsed, OColorListener *, _pMarker )
{
	if ( _pMarker )
	{
        sal_Bool bShow = !_pMarker->isCollapsed();
        m_aReportSection.Show(bShow);
        m_aEndMarker.Show(bShow);
        m_aSplitter.Show(bShow);

        m_pParent->resize(*this);
	}
	return 0L;
}
// -----------------------------------------------------------------------------
void OSectionWindow::zoom(const Fraction& _aZoom)
{
    setZoomFactor(_aZoom,*this);
    m_aStartMarker.zoom(_aZoom);

    setZoomFactor(_aZoom,m_aReportSection);
    setZoomFactor(_aZoom,m_aSplitter);
    setZoomFactor(_aZoom,m_aEndMarker);
    //Resize();
    Invalidate(/*INVALIDATE_UPDATE |*/ /* | INVALIDATE_TRANSPARENT *//*INVALIDATE_NOCHILDREN*/);
}
//-----------------------------------------------------------------------------
IMPL_LINK( OSectionWindow, StartSplitHdl, Splitter*,  )
{
	const String sUndoAction( ModuleRes( RID_STR_UNDO_CHANGE_SIZE ) );
	getViewsWindow()->getView()->getReportView()->getController().getUndoManager().EnterListAction( sUndoAction, String() ); 
	return 0L;
}
//------------------------------------------------------------------------------
IMPL_LINK( OSectionWindow, EndSplitHdl, Splitter*,  )
{
	getViewsWindow()->getView()->getReportView()->getController().getUndoManager().LeaveListAction(); 
	return 0L;
}
//-----------------------------------------------------------------------------
IMPL_LINK( OSectionWindow, SplitHdl, Splitter*, _pSplitter )
{
    if ( !getViewsWindow()->getView()->getReportView()->getController().isEditable() )
    {
        return 0L;
    }

	sal_Int32 nSplitPos = _pSplitter->GetSplitPosPixel();
	const Point aPos = _pSplitter->GetPosPixel();
	

    const uno::Reference< report::XSection> xSection = m_aReportSection.getSection();
    nSplitPos = m_aSplitter.PixelToLogic(Size(0,nSplitPos)).Height();
    // nSplitPos = xSection->getHeight() + m_aSplitter.PixelToLogic(Size(0,nSplitPos - aPos.Y() )).Height();
	
    const sal_Int32 nCount = xSection->getCount();
    for (sal_Int32 i = 0; i < nCount; ++i)
    {
        uno::Reference<report::XReportComponent> xReportComponent(xSection->getByIndex(i),uno::UNO_QUERY);
        if ( xReportComponent.is() /*&& nSplitPos < (xReportComponent->getPositionY() + xReportComponent->getHeight())*/ )
        {
	        nSplitPos = ::std::max(nSplitPos,xReportComponent->getPositionY() + xReportComponent->getHeight());
        }
    } // for (sal_Int32 i = 0; i < nCount; ++i)

    if ( nSplitPos < 0 )
        nSplitPos = 0;

    xSection->setHeight(nSplitPos);
    m_aSplitter.SetSplitPosPixel(m_aSplitter.LogicToPixel(Size(0,nSplitPos)).Height());

	return 0L;
}
// -----------------------------------------------------------------------------
void lcl_scroll(Window& _rWindow,const Point& _aDelta)
{
    _rWindow.Scroll(-_aDelta.X(),-_aDelta.Y()/*,SCROLL_CHILDREN*//*|SCROLL_CLIP*/);
    _rWindow.Invalidate(INVALIDATE_TRANSPARENT);
}
// -----------------------------------------------------------------------------
void lcl_setOrigin(Window& _rWindow,long _nX, long _nY)
{
    MapMode aMap = _rWindow.GetMapMode();
	aMap.SetOrigin( Point(- _nX, - _nY));
	_rWindow.SetMapMode( aMap );
}
//----------------------------------------------------------------------------
void OSectionWindow::scrollChildren(long _nX)
{
    const Point aDelta( _nX,0 );

    MapMode aMapMode( m_aReportSection.GetMapMode() );
    const Point aOld = aMapMode.GetOrigin();
    lcl_setOrigin(m_aReportSection,aDelta.X(), 0);

    aMapMode = m_aReportSection.GetMapMode();
    const Point aNew = aMapMode.GetOrigin();
    const Point aDiff = aOld - aNew;
    {
        //OWindowPositionCorrector aCorrector(&m_aReportSection,-aDelta.Width(),0);
        lcl_scroll(m_aReportSection,aDiff);
    }
    
    //lcl_setOrigin(m_aEndMarker,_nDeltaX, 0);
    lcl_scroll(m_aEndMarker,m_aEndMarker.PixelToLogic(Point(_nX,0)));
    
    lcl_setOrigin(m_aSplitter,_nX, 0);
    lcl_scroll(m_aSplitter,aDiff);
}
//==============================================================================
} // rptui
//==============================================================================