/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

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 * 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 .

 */

#pragma once

#include "DrawViewWrapper.hxx"

#include <ObjectIdentifier.hxx>

class SdrObject;

namespace com::sun::star::drawing { class XShape; }

namespace chart

{

class Selection

{

public: //methods

    bool hasSelection() const;

    OUString const & getSelectedCID() const;

    css::uno::Reference< css::drawing::XShape > const & getSelectedAdditionalShape() const;

    const ObjectIdentifier& getSelectedOID() const { return m_aSelectedOID;}

    bool isResizeableObjectSelected() const;

    bool isRotateableObjectSelected( const rtl::Reference<::chart::ChartModel>& xChartModel ) const;

    bool isTitleObjectSelected() const;

    bool isDragableObjectSelected() const;

    bool isAdditionalShapeSelected() const;

    //returns true if selection has changed

    bool setSelection( const OUString& rCID );

    bool setSelection( const css::uno::Reference< css::drawing::XShape >& xShape );

    void clearSelection();

    //returns true if the selection has changed

    bool maybeSwitchSelectionAfterSingleClickWasEnsured();

    void resetPossibleSelectionAfterSingleClickWasEnsured();

    void remindSelectionBeforeMouseDown();

    bool isSelectionDifferentFromBeforeMouseDown() const;

    void adaptSelectionToNewPos( const Point& rMousePos, DrawViewWrapper const * pDrawViewWrapper

                                       , bool bIsRightMouse, bool bWaitingForDoubleClick );

    void applySelection( DrawViewWrapper* pDrawViewWrapper );

private: //member

    //the selection could be given by a CID or by a shape

    //if m_aSelectedObjectCID is not empty this indicates the selection

    //the content of m_xSelectedShape is ignored in that case

    //the strings are used for autogenerated chart specific objects

    //the shape reference is used for additional shapes

    ObjectIdentifier    m_aSelectedOID; //only single object selection so far

    ObjectIdentifier    m_aSelectedOID_beforeMouseDown;

    ObjectIdentifier    m_aSelectedOID_selectOnlyIfNoDoubleClickIsFollowing;

};

class SelectionHelper final : public MarkHandleProvider

{

public:

    static bool             findNamedParent( SdrObject*& pInOutObject

                                , OUString& rOutName

                                , bool bGivenObjectMayBeResult );

    static bool             findNamedParent( SdrObject*& pInOutObject

                                , ObjectIdentifier& rOutObject

                                , bool bGivenObjectMayBeResult );

    static SdrObject*       getMarkHandlesObject( SdrObject* pObj );

    static E3dScene*        getSceneToRotate( SdrObject* pObj );

    static bool             isDragableObjectHitTwice( const Point& rMPos

                                , const OUString& rNameOfSelectedObject

                                , const DrawViewWrapper& rDrawViewWrapper );

    static OUString getHitObjectCID(

        const Point& rMPos,

        DrawViewWrapper const & rDrawViewWrapper,

        bool bGetDiagramInsteadOf_Wall=false );

    static bool isRotateableObject( std::u16string_view rCID

                    , const rtl::Reference<::chart::ChartModel>& xChartModel );

    explicit SelectionHelper( SdrObject* pSelectedObj );

    ~SelectionHelper();

    //MarkHandleProvider:

    virtual bool getMarkHandles( SdrHdlList& rHdlList ) override;

    virtual bool getFrameDragSingles() override;

    SdrObject*   getObjectToMark();//sets also internally the mark object

    //-> getMarkHandles will behave different if this method has found a Mark Object different from m_pSelectedObj

private:

    SdrObject*      m_pSelectedObj;//hit and logically selected object

    SdrObject*      m_pMarkObj;//object that is marked instead to have more pretty handles

};

} //namespace chart

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