summaryrefslogtreecommitdiffstats
path: root/dbaccess/source/ui/inc/JoinTableView.hxx
blob: 80de958ea627bde97fabed3a07d0dfd67ca26efb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
/* -*- 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 <vcl/window.hxx>
#include <vcl/timer.hxx>
#include <vcl/idle.hxx>
#include <vcl/scrbar.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<ScrollBar>          m_aHScrollBar;
        VclPtr<ScrollBar>          m_aVScrollBar;
        VclPtr<vcl::Window>        m_pCornerWindow;
        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
        ScrollBar& GetHScrollBar() { return *m_aHScrollBar; }
        ScrollBar& 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
        ScrollBar& GetHScrollBar() { return static_cast<OScrollWindowHelper*>(GetParent())->GetHScrollBar(); }
        ScrollBar& GetVScrollBar() { return static_cast<OScrollWindowHelper*>(GetParent())->GetVScrollBar(); }
        DECL_LINK( ScrollHdl, 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;

        /** RemoveConnection allows to remove connections from join table view

            it implies that the same as addConnection

            @param  rConnection the connection which should be removed
            @param  bDelete     when true then the connection will be deleted

            @return an iterator to next valid connection, so it can be used in any loop
        */
        virtual bool RemoveConnection(VclPtr<OTableConnection>& rConnection, bool bDelete);

        /** allows to add new connections to join table view

            it implies an invalidation of the features ID_BROWSER_ADDTABLE and
            SID_RELATION_ADD_RELATION also the modified flag will be set to true

            @param  _pConnection the connection which should be added
            @param  _bAddData    when true then the data should also be appended
        */
        void addConnection(OTableConnection* _pConnection,bool _bAddData = true);

        bool ScrollPane( tools::Long nDelta, bool bHoriz, bool bPaintScrollBars );
        sal_uLong 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; }
        /** @note NULL is explicitly allowed (then no-op) */
        void DeselectConn(OTableConnection* pConn);
        void SelectConn(OTableConnection* pConn);

        OTableWindowMap& GetTabWinMap() { return m_aTableMap; }

        /** gives a read only access to the connection vector
        */
        const std::vector<VclPtr<OTableConnection> >& getTableConnections() const { return m_vTableConnection; }

        bool ExistsAConn(const OTableWindow* pFromWin) const;

        /** search for all connections of a table

            @param  _pFromWin   the table for which connections should be found
            @return an iterator which can be used to travel all connections of the table
        */
        std::vector<VclPtr<OTableConnection> >::const_iterator getTableConnections(const OTableWindow* _pFromWin) const;

        /** how many connection belongs to single table

            @param  _pFromWin the table for which connections should be found
            @return the count of connections which belongs to this table
        */
        sal_Int32 getConnectionCount(const OTableWindow* _pFromWin) const;

        OTableConnection* GetTabConn(const OTableWindow* pLhs,const OTableWindow* pRhs,bool _bSuppressCrossOrNaturalJoin = false) const;

        /** clear the window map and connection vector without destroying it

            that means that the data of the windows and connection will be
            untouched
         */
        void clearLayoutInformation();

        /** set the focus to that tab win which most recently had it
            (or to the first available one) **/
        void GrabTabWinFocus();

        /** take all WinData and ConnData from the document and create the
            corresponding Wins and Conns */
        virtual void ReSync() { }

        /** Hard deletion

            That means that all Conns and Wins are deleted from their respective
            lists and the corresponding Data removed from the document */
        virtual void ClearAll();

        /** @note used by AddTabDlg to see if more tables can be added */
        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;

        /** @note can be used for special ui handling after d&d */
        virtual void lookForUiActivities();

        /** Hook that is called after moving/resizing TabWins

            The position is 'virtual': the container has a virtual area of
            which only a part - changeable by scroll bar - is visible.
            Therefore: ptOldPosition is always positive, even if it represents
            a point with a negative physical ordinate above the visible area

            @note The standard implementation just passes the new data to the
                  Wins
         */
        void TabWinMoved(OTableWindow* ptWhich, const Point& ptOldPosition);

        void TabWinSized(OTableWindow* ptWhich, const Point& ptOldPosition, const Size& szOldSize);

        void modified();

        /** check if the given window is visible.

            @param _rPoint  The Point to check
            @param _rSize   The Size to be check as well
            @return true if the area is visible, false otherwise
        */
        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;
        /// @note here the physical position (that can be changed while
        ///     resizing) is used, as no scrolling can take place while resizing
        virtual void Command(const CommandEvent& rEvt) override;

        virtual std::shared_ptr<OTableWindowData> CreateImpl(const OUString& _rComposedName
                                            ,const OUString& _sTableName
                                            ,const OUString& _rWinName);

        /** factory method to create table windows

            @param _pData The data corresponding to the window.
            @return The new TableWindow
        */
        virtual VclPtr<OTableWindow> createWindow(const TTableWindowData::value_type& _pData) = 0;

        /** determines whether the classes Init method should accept a query
            name, or only table names */
        virtual bool allowQueries() const;

        /** called when init fails at the tablewindowdata because the m_xTable
            object could not provide columns, but no exception was thrown.
            Expected to throw. */
        virtual void onNoColumns_throw();

        virtual bool suppressCrossNaturalJoin(const TTableConnectionData::value_type& _pData) const;

    private:
        void InitColors();
        void ScrollWhileDragging();

        /** opens the context menu to delete a connection
            @param _aPos the position where the popup menu should appear
            @param _pSelConnection the connection which should be deleted
        */
        void executePopup(const Point& _aPos, VclPtr<OTableConnection>& rSelConnection);

        /** invalidates this window without children and set the controller
            modified
            @param _pAction a possible undo action to add at the controller
        */
        void invalidateAndModify(std::unique_ptr<SfxUndoAction> _pAction);

    private:
        using Window::Scroll;
    };
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */