JoinTableView.hxx

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/* -*- 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 .
 */
#pragma once
 
#include <svtools/scrolladaptor.hxx>
#include <vcl/window.hxx>
#include <vcl/timer.hxx>
#include <vcl/idle.hxx>
#include <vcl/vclptr.hxx>
#include <vcl/transfer.hxx>
 
#include "callbacks.hxx"
#include "TableConnectionData.hxx"
#include "TableWindowData.hxx"
 
#include <map>
#include <vector>
 
struct AcceptDropEvent;
struct ExecuteDropEvent;
class SfxUndoAction;
 
namespace dbaui
{
    class OTableConnection;
    class OTableWindow;
    struct OJoinExchangeData;
    class OJoinDesignView;
    class OTableWindowData;
    class OJoinDesignViewAccess;
 
    // this class contains only the scrollbars to avoid that
    // the tablewindows clip the scrollbars
    class OJoinTableView;
    class OScrollWindowHelper : public vcl::Window
    {
        VclPtr<ScrollAdaptor>      m_aHScrollBar;
        VclPtr<ScrollAdaptor>      m_aVScrollBar;
        VclPtr<OJoinTableView>     m_pTableView;
 
    protected:
        virtual void Resize() override;
 
    public:
        OScrollWindowHelper( vcl::Window* pParent);
        virtual ~OScrollWindowHelper() override;
        virtual void dispose() override;
 
        void setTableView(OJoinTableView* _pTableView);
 
        void resetRange(const Point& _aSize);
 
        // own methods
        ScrollAdaptor& GetHScrollBar() { return *m_aHScrollBar; }
        ScrollAdaptor& GetVScrollBar() { return *m_aVScrollBar; }
    };
 
 
    class OJoinTableView : public vcl::Window,
                           public IDragTransferableListener,
                           public DropTargetHelper
    {
        friend class OJoinMoveTabWinUndoAct;
 
    public:
        typedef std::map<OUString, VclPtr<OTableWindow> > OTableWindowMap;
 
    private:
        OTableWindowMap     m_aTableMap;
        std::vector<VclPtr<OTableConnection> >    m_vTableConnection;
 
        Idle                m_aDragScrollIdle;
        tools::Rectangle           m_aDragRect;
        tools::Rectangle           m_aSizingRect;
        Point               m_aDragOffset;
        Point               m_aScrollOffset;
        Point               m_ptPrevDraggingPos;
        Size                m_aOutputSize;
 
 
        VclPtr<OTableWindow>           m_pDragWin;
        VclPtr<OTableWindow>           m_pSizingWin;
        VclPtr<OTableConnection>       m_pSelectedConn;
 
 
        DECL_LINK(OnDragScrollTimer, Timer*, void);
 
    protected:
        VclPtr<OTableWindow>               m_pLastFocusTabWin;
        VclPtr<OJoinDesignView>            m_pView;
        rtl::Reference<OJoinDesignViewAccess> m_pAccessible;
 
    public:
        OJoinTableView( vcl::Window* pParent, OJoinDesignView* pView );
        virtual ~OJoinTableView() override;
        virtual void dispose() override;
 
        // window override
        virtual void StateChanged( StateChangedType nStateChange ) override;
        virtual void GetFocus() override;
        virtual void LoseFocus() override;
        virtual void KeyInput( const KeyEvent& rEvt ) override;
        // Accessibility
        virtual css::uno::Reference< css::accessibility::XAccessible > CreateAccessible() override;
 
        // own methods
        ScrollAdaptor& GetHScrollBar() { return static_cast<OScrollWindowHelper*>(GetParent())->GetHScrollBar(); }
        ScrollAdaptor& GetVScrollBar() { return static_cast<OScrollWindowHelper*>(GetParent())->GetVScrollBar(); }
        DECL_LINK(VertScrollHdl, weld::Scrollbar&, void);
        DECL_LINK(HorzScrollHdl, weld::Scrollbar&, void);
 
        void DrawConnections(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect);
        void InvalidateConnections();
 
        void BeginChildMove( OTableWindow* pTabWin, const Point& rMousePos );
        void BeginChildSizing( OTableWindow* pTabWin, PointerStyle nPointer );
 
        void NotifyTitleClicked( OTableWindow* pTabWin, const Point& rMousePos );
 
        virtual void AddTabWin(const OUString& _rComposedName, const OUString& rWinName, bool bNewTable = false);
        virtual void RemoveTabWin( OTableWindow* pTabWin );
 
        // hide all TabWins (does NOT delete them; they are put in an UNDO action)
        void HideTabWins();
 
        virtual void AddConnection(const OJoinExchangeData& jxdSource, const OJoinExchangeData& jxdDest) = 0;
 
        virtual bool RemoveConnection(VclPtr<OTableConnection>& rConnection, bool bDelete);
 
        void addConnection(OTableConnection* _pConnection,bool _bAddData = true);
 
        bool ScrollPane( tools::Long nDelta, bool bHoriz, bool bPaintScrollBars );
        sal_Int64 GetTabWinCount() const;
        const Point& GetScrollOffset() const { return m_aScrollOffset; }
 
        OJoinDesignView* getDesignView() const { return m_pView; }
        OTableWindow* GetTabWindow( const OUString& rName );
 
        VclPtr<OTableConnection>& GetSelectedConn() { return m_pSelectedConn; }
        void DeselectConn(OTableConnection* pConn);
        void SelectConn(OTableConnection* pConn);
 
        OTableWindowMap& GetTabWinMap() { return m_aTableMap; }
 
        const std::vector<VclPtr<OTableConnection> >& getTableConnections() const { return m_vTableConnection; }
 
        bool ExistsAConn(const OTableWindow* pFromWin) const;
 
        std::vector<VclPtr<OTableConnection> >::const_iterator getTableConnections(const OTableWindow* _pFromWin) const;
 
        sal_Int32 getConnectionCount(const OTableWindow* _pFromWin) const;
 
        OTableConnection* GetTabConn(const OTableWindow* pLhs,const OTableWindow* pRhs,bool _bSuppressCrossOrNaturalJoin = false) const;
 
        void clearLayoutInformation();
 
        void GrabTabWinFocus();
 
        virtual void ReSync() { }
 
        virtual void ClearAll();
 
        virtual bool IsAddAllowed();
        virtual bool PreNotify(NotifyEvent& rNEvt) override;
 
        // DnD stuff
        virtual sal_Int8 AcceptDrop( const AcceptDropEvent& rEvt ) override;
        virtual sal_Int8 ExecuteDrop( const ExecuteDropEvent& rEvt ) override;
 
        virtual void lookForUiActivities();
 
        void TabWinMoved(OTableWindow* ptWhich, const Point& ptOldPosition);
 
        void TabWinSized(OTableWindow* ptWhich, const Point& ptOldPosition, const Size& szOldSize);
 
        void modified();
 
        bool isMovementAllowed(const Point& _rPoint,const Size& _rSize);
 
        const Size& getRealOutputSize() const { return m_aOutputSize; }
 
        virtual void EnsureVisible(const OTableWindow* _pWin);
        void EnsureVisible(const Point& _rPoint,const Size& _rSize);
 
        TTableWindowData::value_type createTableWindowData(const OUString& _rComposedName
                                            ,const OUString& _sTableName
                                            ,const OUString& _rWinName);
 
    protected:
        virtual void MouseButtonUp( const MouseEvent& rEvt ) override;
        virtual void MouseButtonDown( const MouseEvent& rEvt ) override;
        virtual void Tracking( const TrackingEvent& rTEvt ) override;
        virtual void Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;
        virtual void ConnDoubleClicked(VclPtr<OTableConnection>& rConnection);
        void SetDefaultTabWinPosSize( OTableWindow* pTabWin );
        virtual void DataChanged( const DataChangedEvent& rDCEvt ) override;
 
        virtual void Resize() override;
 
        virtual void dragFinished( ) override;
        virtual void Command(const CommandEvent& rEvt) override;
 
        virtual std::shared_ptr<OTableWindowData> CreateImpl(const OUString& _rComposedName
                                            ,const OUString& _sTableName
                                            ,const OUString& _rWinName);
 
        virtual VclPtr<OTableWindow> createWindow(const TTableWindowData::value_type& _pData) = 0;
 
        virtual bool allowQueries() const;
 
        virtual void onNoColumns_throw();
 
        virtual bool suppressCrossNaturalJoin(const TTableConnectionData::value_type& _pData) const;
 
    private:
        void InitColors();
        void ScrollWhileDragging();
 
        void executePopup(const Point& _aPos, VclPtr<OTableConnection>& rSelConnection);
 
        void invalidateAndModify(std::unique_ptr<SfxUndoAction> _pAction);
 
    private:
        using Window::Scroll;
    };
}
 
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