/**************************************************************
 * 
 * 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_chart2.hxx"

#include "dlg_DataSource.hxx"
#include "dlg_DataSource.hrc"
#include "Strings.hrc"
#include "ResId.hxx"
#include "ChartTypeTemplateProvider.hxx"
#include "DiagramHelper.hxx"
#include "DialogModel.hxx"
#include "HelpIds.hrc"

#include "tp_RangeChooser.hxx"
#include "tp_DataSource.hxx"

// for RET_OK
#include <vcl/msgbox.hxx>

using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
using namespace ::chart;

using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::rtl::OUString;

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


namespace chart
{

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

class DocumentChartTypeTemplateProvider : public ChartTypeTemplateProvider
{
public:
    DocumentChartTypeTemplateProvider(
        const Reference< chart2::XChartDocument > & xDoc );
    virtual ~DocumentChartTypeTemplateProvider();

    // ____ ChartTypeTemplateProvider ____
    virtual Reference< chart2::XChartTypeTemplate > getCurrentTemplate() const;

private:
    Reference< chart2::XChartTypeTemplate > m_xTemplate;
};

DocumentChartTypeTemplateProvider::DocumentChartTypeTemplateProvider(
    const Reference< chart2::XChartDocument > & xDoc )
{
    if( xDoc.is())
    {
        Reference< chart2::XDiagram > xDia( xDoc->getFirstDiagram());
        if( xDia.is())
        {
            DiagramHelper::tTemplateWithServiceName aResult(
                DiagramHelper::getTemplateForDiagram(
                    xDia,
                    Reference< lang::XMultiServiceFactory >(
                        xDoc->getChartTypeManager(), uno::UNO_QUERY ) ));
            m_xTemplate.set( aResult.first );
        }
    }
}

DocumentChartTypeTemplateProvider::~DocumentChartTypeTemplateProvider()
{}

Reference< chart2::XChartTypeTemplate > DocumentChartTypeTemplateProvider::getCurrentTemplate() const
{
    return m_xTemplate;
}

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

class DataSourceTabControl : public TabControl
{
public:
    DataSourceTabControl( Window* pParent, const ResId& rResId );
    ~DataSourceTabControl();

    virtual long DeactivatePage();

    void DisableTabToggling();
    void EnableTabToggling();

private:
    bool m_bTogglingEnabled;
};

DataSourceTabControl::DataSourceTabControl( Window* pParent, const ResId& rResId ) :
        TabControl( pParent, rResId ),
        m_bTogglingEnabled( true )
{}

DataSourceTabControl::~DataSourceTabControl()
{}

// Note that the result is long, but is intended to be a bool
long DataSourceTabControl::DeactivatePage()
{
    bool bCanDeactivate( TabControl::DeactivatePage() != 0 );

    bCanDeactivate = (bCanDeactivate && m_bTogglingEnabled);

    return (bCanDeactivate ? 1 : 0 );
}

void DataSourceTabControl::DisableTabToggling()
{
    m_bTogglingEnabled = false;
}

void DataSourceTabControl::EnableTabToggling()
{
    m_bTogglingEnabled = true;
}

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

sal_uInt16 DataSourceDialog::m_nLastPageId = 0;

DataSourceDialog::DataSourceDialog(
    Window * pParent,
    const Reference< XChartDocument > & xChartDocument,
    const Reference< uno::XComponentContext > & xContext ) :

        TabDialog( pParent, SchResId( DLG_DATA_SOURCE )),

        m_xChartDocument( xChartDocument ),
        m_xContext( xContext ),
        m_apDocTemplateProvider( new DocumentChartTypeTemplateProvider( xChartDocument )),
        m_apDialogModel( new DialogModel( xChartDocument, xContext )),

        m_pTabControl( new DataSourceTabControl( this, SchResId( TABCTRL ) )),
        m_aBtnOK( this, SchResId( BTN_OK ) ),
        m_aBtnCancel( this, SchResId( BTN_CANCEL ) ),
        m_aBtnHelp( this, SchResId( BTN_HELP ) ),

        m_pRangeChooserTabePage(0),
        m_pDataSourceTabPage(0),
        m_bRangeChooserTabIsValid( true ),
        m_bDataSourceTabIsValid( true )
{
    FreeResource();

    //don't create the tabpages before FreeResource, otherwise the help ids are not matched correctly
    m_pRangeChooserTabePage = new RangeChooserTabPage( m_pTabControl, *(m_apDialogModel.get()),
                                     m_apDocTemplateProvider.get(), this, true /* bHideDescription */ );
    m_pDataSourceTabPage = new DataSourceTabPage( m_pTabControl, *(m_apDialogModel.get()),
                                    m_apDocTemplateProvider.get(), this, true /* bHideDescription */ );

    m_pTabControl->InsertPage( TP_RANGECHOOSER, String( SchResId( STR_PAGE_DATA_RANGE )));
    m_pTabControl->InsertPage( TP_DATA_SOURCE,  String( SchResId( STR_OBJECT_DATASERIES_PLURAL )));

    m_pTabControl->SetTabPage( TP_RANGECHOOSER, m_pRangeChooserTabePage );
    m_pTabControl->SetTabPage( TP_DATA_SOURCE,  m_pDataSourceTabPage );

    m_pTabControl->SelectTabPage( m_nLastPageId );

    SetHelpId( HID_SCH_DLG_RANGES );
}

DataSourceDialog::~DataSourceDialog()
{
    delete m_pRangeChooserTabePage;
    delete m_pDataSourceTabPage;

    m_nLastPageId = m_pTabControl->GetCurPageId();
    delete m_pTabControl;
}

short DataSourceDialog::Execute()
{
    short nResult = TabDialog::Execute();
    if( nResult == RET_OK )
    {
        if( m_pRangeChooserTabePage )
            m_pRangeChooserTabePage->commitPage();
        if( m_pDataSourceTabPage )
            m_pDataSourceTabPage->commitPage();
    }
    return nResult;
}

void DataSourceDialog::setInvalidPage( TabPage * pTabPage )
{
    if( pTabPage == m_pRangeChooserTabePage )
        m_bRangeChooserTabIsValid = false;
    else if( pTabPage == m_pDataSourceTabPage )
        m_bDataSourceTabIsValid = false;

    if( ! (m_bRangeChooserTabIsValid && m_bDataSourceTabIsValid ))
    {
        m_aBtnOK.Enable( sal_False );
        OSL_ASSERT( m_pTabControl );
        // note: there seems to be no suitable mechanism to address pages by
        // identifier, at least it is unclear what the page identifiers are.
        // @todo: change the fixed numbers to identifiers
        if( m_bRangeChooserTabIsValid )
            m_pTabControl->SetCurPageId( m_pTabControl->GetPageId( 1 ));
        else if( m_bDataSourceTabIsValid )
            m_pTabControl->SetCurPageId( m_pTabControl->GetPageId( 0 ));
        m_pTabControl->DisableTabToggling();
    }
}

void DataSourceDialog::setValidPage( TabPage * pTabPage )
{
    if( pTabPage == m_pRangeChooserTabePage )
        m_bRangeChooserTabIsValid = true;
    else if( pTabPage == m_pDataSourceTabPage )
        m_bDataSourceTabIsValid = true;

    if( m_bRangeChooserTabIsValid && m_bDataSourceTabIsValid )
    {
        m_aBtnOK.Enable( sal_True );
        OSL_ASSERT( m_pTabControl );
        m_pTabControl->EnableTabToggling();
    }
}


} //  namespace chart