/**************************************************************
 *
 * 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.
 *
 *************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_cui.hxx"

// include ---------------------------------------------------------------

#include <tools/shl.hxx>
#include <svl/itemset.hxx>
#include <svl/itempool.hxx>
#include <sfx2/objsh.hxx>
#include <vcl/msgbox.hxx>

#define _SVX_ZOOM_CXX

#include <cuires.hrc>
#include "zoom.hrc"

#include "zoom.hxx"
#include <svx/zoomitem.hxx>
#include <svx/viewlayoutitem.hxx>
#include <dialmgr.hxx>
#include <svx/zoom_def.hxx>
#include <svx/dialogs.hrc>	// RID_SVXDLG_ZOOM
#include <layout/layout-pre.hxx>

#if ENABLE_LAYOUT
#undef CUI_RES
#define CUI_RES(x) #x
#undef SfxModalDialog
#define SfxModalDialog( parent, id ) Dialog( parent, "zoom.xml", id )
#endif /* ENABLE_LAYOUT */

// static ----------------------------------------------------------------

#define SPECIAL_FACTOR	((sal_uInt16)0xFFFF)

// class SvxZoomDialog ---------------------------------------------------

sal_uInt16 SvxZoomDialog::GetFactor() const
{
	if ( a100Btn.IsChecked() )
		return 100;
	if ( aUserBtn.IsChecked() )
		return (sal_uInt16)aUserEdit.GetValue();
	else
		return SPECIAL_FACTOR;
}

// -----------------------------------------------------------------------

void SvxZoomDialog::SetFactor( sal_uInt16 nNewFactor, sal_uInt16 nBtnId )
{
	aUserEdit.Disable();

	if ( !nBtnId )
	{
		if ( nNewFactor == 100 )
		{
			a100Btn.Check();
			a100Btn.GrabFocus();
		}
		else
		{
			aUserBtn.Check();
			aUserEdit.Enable();
			aUserEdit.SetValue( (long)nNewFactor );
			aUserEdit.GrabFocus();
		}
	}
	else
	{
		aUserEdit.SetValue( (long)nNewFactor );

		if ( ZOOMBTN_OPTIMAL == nBtnId )
		{
			aOptimalBtn.Check();
			aOptimalBtn.GrabFocus();
		}
		else if ( ZOOMBTN_PAGEWIDTH == nBtnId )
		{
			aPageWidthBtn.Check();
			aPageWidthBtn.GrabFocus();
		}
		else if ( ZOOMBTN_WHOLEPAGE == nBtnId )
		{
			aWholePageBtn.Check();
			aWholePageBtn.GrabFocus();
		}
	}
}

// -----------------------------------------------------------------------

void SvxZoomDialog::HideButton( sal_uInt16 nBtnId )
{
	switch ( nBtnId )
	{
		case ZOOMBTN_OPTIMAL: // Optimal button
			aOptimalBtn.Hide();
			break;

		case ZOOMBTN_PAGEWIDTH: // Page Width button
			aPageWidthBtn.Hide();
			break;

		case ZOOMBTN_WHOLEPAGE: // Entire Page button
			aWholePageBtn.Hide();
			break;

		default:
			DBG_ERROR( "Wrong button number!" );
	}
}

// -----------------------------------------------------------------------

void SvxZoomDialog::SetLimits( sal_uInt16 nMin, sal_uInt16 nMax )
{
	DBG_ASSERT( nMin < nMax, "invalid limits" );
	aUserEdit.SetMin( nMin );
	aUserEdit.SetFirst( nMin );
	aUserEdit.SetMax( nMax );
	aUserEdit.SetLast( nMax );
}

// -----------------------------------------------------------------------

SvxZoomDialog::SvxZoomDialog( Window* pParent, const SfxItemSet& rCoreSet ) :

	SfxModalDialog( pParent, CUI_RES( RID_SVXDLG_ZOOM ) ),

	aZoomFl			( this, CUI_RES( FL_ZOOM ) ),
	aOptimalBtn		( this, CUI_RES( BTN_OPTIMAL ) ),
	aWholePageBtn	( this, CUI_RES( BTN_WHOLE_PAGE ) ),
	aPageWidthBtn	( this, CUI_RES( BTN_PAGE_WIDTH ) ),
	a100Btn			( this, CUI_RES( BTN_100 ) ),
	aUserBtn		( this, CUI_RES( BTN_USER ) ),
	aUserEdit		( this, CUI_RES( ED_USER ) ),

	aViewLayoutFl	( this, CUI_RES( FL_VIEWLAYOUT ) ),
	aAutomaticBtn	( this, CUI_RES( BTN_AUTOMATIC ) ),
	aSingleBtn		( this, CUI_RES( BTN_SINGLE ) ),
	aColumnsBtn		( this, CUI_RES( BTN_COLUMNS ) ),
	aColumnsEdit	( this, CUI_RES( ED_COLUMNS ) ),
	aBookModeChk	( this, CUI_RES( CHK_BOOK ) ),

	aBottomFl		( this, CUI_RES( FL_BOTTOM ) ),
	aOKBtn			( this, CUI_RES( BTN_ZOOM_OK ) ),
	aCancelBtn		( this, CUI_RES( BTN_ZOOM_CANCEL ) ),
	aHelpBtn		( this, CUI_RES( BTN_ZOOM_HELP ) ),

	rSet		( rCoreSet ),
	pOutSet		( NULL ),
	bModified	( sal_False )

{
#if ENABLE_LAYOUT
	SetHelpId (".uno:Zoom");
#endif /* ENABLE_LAYOUT */
	Link aLink = LINK( this, SvxZoomDialog, UserHdl );
	a100Btn.SetClickHdl( aLink );
	aOptimalBtn.SetClickHdl( aLink );
	aPageWidthBtn.SetClickHdl( aLink );
	aWholePageBtn.SetClickHdl( aLink );
	aUserBtn.SetClickHdl( aLink );

	Link aViewLayoutLink = LINK( this, SvxZoomDialog, ViewLayoutUserHdl );
	aAutomaticBtn.SetClickHdl( aViewLayoutLink );
	aSingleBtn.SetClickHdl( aViewLayoutLink );
	aColumnsBtn.SetClickHdl( aViewLayoutLink );

	Link aViewLayoutSpinLink = LINK( this, SvxZoomDialog, ViewLayoutSpinHdl );
	aColumnsEdit.SetModifyHdl( aViewLayoutSpinLink );

	Link aViewLayoutCheckLink = LINK( this, SvxZoomDialog, ViewLayoutCheckHdl );
	aBookModeChk.SetClickHdl( aViewLayoutCheckLink );

	aOKBtn.SetClickHdl( LINK( this, SvxZoomDialog, OKHdl ) );
	aUserEdit.SetModifyHdl( LINK( this, SvxZoomDialog, SpinHdl ) );

	// Default values
	sal_uInt16 nValue = 100;
	sal_uInt16 nMin = 10;
	sal_uInt16 nMax = 1000;

	// ggf. erst den alten Wert besorgen
	const SfxUInt16Item* pOldUserItem = 0;
	SfxObjectShell* pSh = SfxObjectShell::Current();

	if ( pSh )
		pOldUserItem = (const SfxUInt16Item*)pSh->GetItem( SID_ATTR_ZOOM_USER );

	if ( pOldUserItem )
		nValue = pOldUserItem->GetValue();

	// initialize UserEdit
	if ( nMin > nValue )
		nMin = nValue;
	if ( nMax < nValue )
		nMax = nValue;
	aUserEdit.SetMin( nMin );
	aUserEdit.SetFirst( nMin );
	aUserEdit.SetMax( nMax );
	aUserEdit.SetLast( nMax );
	aUserEdit.SetValue( nValue );

	aUserEdit.SetAccessibleRelationLabeledBy( &aUserBtn );
	aUserEdit.SetAccessibleName(aUserBtn.GetText());
	aColumnsEdit.SetAccessibleRelationLabeledBy(&aColumnsBtn);
	aColumnsEdit.SetAccessibleName(aColumnsBtn.GetText());
	aColumnsEdit.SetAccessibleRelationMemberOf(&aColumnsBtn);
	aBookModeChk.SetAccessibleRelationLabeledBy(&aColumnsBtn);
	aBookModeChk.SetAccessibleRelationMemberOf(&aColumnsBtn);

	const SfxPoolItem& rItem = rSet.Get( rSet.GetPool()->GetWhich( SID_ATTR_ZOOM ) );

	if ( rItem.ISA(SvxZoomItem) )
	{
		const SvxZoomItem& rZoomItem = (const SvxZoomItem&)rItem;
		const sal_uInt16 nZoom = rZoomItem.GetValue();
		const SvxZoomType eType = rZoomItem.GetType();
		const sal_uInt16 nValSet = rZoomItem.GetValueSet();
		sal_uInt16 nBtnId = 0;

		switch ( eType )
		{
			case SVX_ZOOM_OPTIMAL:
				nBtnId = ZOOMBTN_OPTIMAL;
				break;
			case SVX_ZOOM_PAGEWIDTH:
				nBtnId = ZOOMBTN_PAGEWIDTH;
				break;
			case SVX_ZOOM_WHOLEPAGE:
				nBtnId = ZOOMBTN_WHOLEPAGE;
				break;
			case SVX_ZOOM_PERCENT:
				break;
			case SVX_ZOOM_PAGEWIDTH_NOBORDER:
				break;
		}

		if ( !(SVX_ZOOM_ENABLE_100 & nValSet) )
			a100Btn.Disable();
		if ( !(SVX_ZOOM_ENABLE_OPTIMAL & nValSet) )
			aOptimalBtn.Disable();
		if ( !(SVX_ZOOM_ENABLE_PAGEWIDTH & nValSet) )
			aPageWidthBtn.Disable();
		if ( !(SVX_ZOOM_ENABLE_WHOLEPAGE & nValSet) )
			aWholePageBtn.Disable();
		SetFactor( nZoom, nBtnId );
	}
	else
	{
		const sal_uInt16 nZoom = ( (const SfxUInt16Item&)rItem ).GetValue();
		SetFactor( nZoom );
	}

	const SfxPoolItem* pViewLayoutItem = 0;
	if ( SFX_ITEM_SET == rSet.GetItemState( SID_ATTR_VIEWLAYOUT, sal_False, &pViewLayoutItem ) )
	{
		const sal_uInt16 nColumns = static_cast<const SvxViewLayoutItem*>(pViewLayoutItem)->GetValue();
		const bool bBookMode = static_cast<const SvxViewLayoutItem*>(pViewLayoutItem)->IsBookMode();

		if ( 0 == nColumns )
		{
			aAutomaticBtn.Check();
			aColumnsEdit.SetValue( 2 );
			aColumnsEdit.Disable();
			aBookModeChk.Disable();
		}
		else if ( 1 == nColumns)
		{
			aSingleBtn.Check();
			aColumnsEdit.SetValue( 2 );
			aColumnsEdit.Disable();
			aBookModeChk.Disable();
		}
		else
		{
			aColumnsBtn.Check();
			if ( !bBookMode )
			{
				aColumnsEdit.SetValue( nColumns );
				if ( 0 != nColumns % 2 )
					aBookModeChk.Disable();
			}
			else
			{
				aColumnsEdit.SetValue( nColumns );
				aBookModeChk.Check();
			}
		}
	}
	else
	{
		// hide view layout related controls:
		aViewLayoutFl.Disable();
		aAutomaticBtn.Disable();
		aSingleBtn.Disable();
		aColumnsBtn.Disable();
		aColumnsEdit.Disable();
		aBookModeChk.Disable();
	}

	FreeResource();
}

// -----------------------------------------------------------------------

SvxZoomDialog::~SvxZoomDialog()
{
	delete pOutSet;
	pOutSet = 0;
}

// -----------------------------------------------------------------------

IMPL_LINK( SvxZoomDialog, UserHdl, RadioButton *, pBtn )
{
	bModified |= sal_True;

	if ( pBtn == &aUserBtn )
	{
		aUserEdit.Enable();
		aUserEdit.GrabFocus();
	}
	else
		aUserEdit.Disable();
	return 0;
}

// -----------------------------------------------------------------------

IMPL_LINK( SvxZoomDialog, SpinHdl, MetricField *, EMPTYARG )
{
	if ( !aUserBtn.IsChecked() )
		return 0;
	bModified |= sal_True;
	return 0;
}

// -----------------------------------------------------------------------

IMPL_LINK( SvxZoomDialog, ViewLayoutUserHdl, RadioButton *, pBtn )
{
	bModified |= sal_True;

	if ( pBtn == &aAutomaticBtn )
	{
		aColumnsEdit.Disable();
		aBookModeChk.Disable();
	}
	else if ( pBtn == &aSingleBtn )
	{
		aColumnsEdit.Disable();
		aBookModeChk.Disable();
	}
	else if ( pBtn == &aColumnsBtn )
	{
		aColumnsEdit.Enable();
		aColumnsEdit.GrabFocus();
		if ( 0 == aColumnsEdit.GetValue() % 2 )
			aBookModeChk.Enable();
	}
	else
	{
		DBG_ERROR( "Wrong button" );
		return 0;
	}

	return 0;
}

// -----------------------------------------------------------------------

IMPL_LINK( SvxZoomDialog, ViewLayoutSpinHdl, MetricField *, pEdt )
{
	if ( pEdt == &aColumnsEdit && !aColumnsBtn.IsChecked() )
		return 0;

	if ( 0 == aColumnsEdit.GetValue() % 2 )
		aBookModeChk.Enable();
	else
	{
		aBookModeChk.Check( sal_False );
		aBookModeChk.Disable();
	}

	bModified |= sal_True;

	return 0;
}

// -----------------------------------------------------------------------

IMPL_LINK( SvxZoomDialog, ViewLayoutCheckHdl, CheckBox *, pChk )
{
	if ( pChk == &aBookModeChk && !aColumnsBtn.IsChecked() )
		return 0;

	bModified |= sal_True;

	return 0;
}

// -----------------------------------------------------------------------

IMPL_LINK( SvxZoomDialog, OKHdl, Button *, pBtn )
{
	if ( bModified || &aOKBtn != pBtn )
	{
		SvxZoomItem aZoomItem( SVX_ZOOM_PERCENT, 0, rSet.GetPool()->GetWhich( SID_ATTR_ZOOM ) );
		SvxViewLayoutItem aViewLayoutItem( 0, false, rSet.GetPool()->GetWhich( SID_ATTR_VIEWLAYOUT ) );

		if ( &aOKBtn == pBtn )
		{
			sal_uInt16 nFactor = GetFactor();

			if ( SPECIAL_FACTOR == nFactor )
			{
				if ( aOptimalBtn.IsChecked() )
					aZoomItem.SetType( SVX_ZOOM_OPTIMAL );
				else if ( aPageWidthBtn.IsChecked() )
					aZoomItem.SetType( SVX_ZOOM_PAGEWIDTH );
				else if ( aWholePageBtn.IsChecked() )
					aZoomItem.SetType( SVX_ZOOM_WHOLEPAGE );
			}
			else
				aZoomItem.SetValue( nFactor );

			if ( aAutomaticBtn.IsChecked() )
			{
				aViewLayoutItem.SetValue( 0 );
				aViewLayoutItem.SetBookMode( false );
			}
			if ( aSingleBtn.IsChecked() )
			{
				aViewLayoutItem.SetValue( 1 );
				aViewLayoutItem.SetBookMode( false );
			}
			else if ( aColumnsBtn.IsChecked() )
			{
				aViewLayoutItem.SetValue( static_cast<sal_uInt16>(aColumnsEdit.GetValue()) );
				aViewLayoutItem.SetBookMode( aBookModeChk.IsChecked() );
			}
		}
		else
		{
			DBG_ERROR( "Wrong Button" );
			return 0;
		}
		pOutSet = new SfxItemSet( rSet );
		pOutSet->Put( aZoomItem );

		// don't set attribute in case the whole view layout stuff is disabled:
		if ( aViewLayoutFl.IsEnabled() )
			pOutSet->Put( aViewLayoutItem );

		// Wert aus dem UserEdit über den Dialog hinaus merken
		SfxObjectShell* pSh = SfxObjectShell::Current();

		if ( pSh )
			pSh->PutItem( SfxUInt16Item( SID_ATTR_ZOOM_USER,
										 (sal_uInt16)aUserEdit.GetValue() ) );
		EndDialog( RET_OK );
	}
	else
		EndDialog( RET_CANCEL );
	return 0;
}

/* vim: set noet sw=4 ts=4: */