dbaccess/source/ui/inc/QueryTableView.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef DBAUI_QUERYTABLEVIEW_HXX
  20 #define DBAUI_QUERYTABLEVIEW_HXX
  21
  22 #include "JoinTableView.hxx"
  23 #include <com/sun/star/container/XNameAccess.hpp>
  24 #include "querycontroller.hxx"
  25
  26 namespace dbaui
  27 {
  28     struct TabWinsChangeNotification
  29     {
  30         enum ACTION_TYPE    { AT_ADDED_WIN, AT_REMOVED_WIN };
  31         ACTION_TYPE         atActionPerformed;
  32         String              strAffectedTable;
  33
  34         TabWinsChangeNotification(ACTION_TYPE at, const String& str) : atActionPerformed(at), strAffectedTable(str) { }
  35     };
  36
  37     class OQueryTabWinUndoAct;
  38     class OQueryTableConnection;
  39     class OQueryTableWindow;
  40     class OQueryDesignView;
  41
  42     class OQueryTableView : public OJoinTableView
  43     {
  44         Link    m_lnkTabWinsChangeHandler;
  45
  46     protected:
  47         virtual void ConnDoubleClicked(OTableConnection* pConnection);
  48         virtual void KeyInput(const KeyEvent& rEvt);
  49
  50         virtual OTableWindow* createWindow(const TTableWindowData::value_type& _pData);
  51
  52         /** called when init fails at the tablewindowdata because the m_xTable
  53             object could not provide columns, but no exception was thrown.
  54             Expected to throw. */
  55         virtual void    onNoColumns_throw();
  56
  57         virtual bool supressCrossNaturalJoin(const TTableConnectionData::value_type& _pData) const;
  58
  59     public:
  60         OQueryTableView(Window* pParent,OQueryDesignView* pView);
  61         virtual ~OQueryTableView();
  62
  63         /// base class overwritten: create and delete windows
  64         /// (not really delete, as it becomes an UndoAction)
  65         virtual void AddTabWin( const OUString& _rTableName, const OUString& _rAliasName, sal_Bool bNewTable = sal_False );
  66         virtual void RemoveTabWin(OTableWindow* pTabWin);
  67
  68         /// AddTabWin, setting an alias
  69         void    AddTabWin(const OUString& strDatabase, const OUString& strTableName, const OUString& strAlias, sal_Bool bNewTable = sal_False);
  70         /// search TabWin
  71         OQueryTableWindow*  FindTable(const String& rAliasName);
  72         sal_Bool            FindTableFromField(const String& rFieldName, OTableFieldDescRef& rInfo, sal_uInt16& rCnt);
  73
  74         /// base class overwritten: create and delete Connections
  75         virtual void AddConnection(const OJoinExchangeData& jxdSource, const OJoinExchangeData& jxdDest);
  76
  77         virtual bool RemoveConnection( OTableConnection* _pConn ,sal_Bool _bDelete);
  78
  79         // transfer of connections from and to UndoAction
  80
  81         /// Inserting a Connection the structure
  82         void GetConnection(OQueryTableConnection* pConn);
  83         /** Removing a Connection from the structure
  84
  85             This results effectively in complete reset of request form, as all
  86             windows are hidden, as are all Connections to these windows and all
  87             request columns based on those tables */
  88         void DropConnection(OQueryTableConnection* pConn);
  89
  90         // show and hide TabWin (NOT create or delete)
  91         sal_Bool ShowTabWin(OQueryTableWindow* pTabWin, OQueryTabWinUndoAct* pUndoAction,sal_Bool _bAppend);
  92         void HideTabWin(OQueryTableWindow* pTabWin, OQueryTabWinUndoAct* pUndoAction);
  93
  94         /// ensure visibility of TabWins (+ and invalidate connections)
  95         virtual void EnsureVisible(const OTableWindow* _pWin);
  96
  97         /// how many tables with a certain alias do I already have?
  98         sal_Int32 CountTableAlias(const String& rName, sal_Int32& rMax);
  99
 100         /// insert field (simply passed to parents)
 101         void InsertField(const OTableFieldDescRef& rInfo);
 102
 103         /// rebuild everything (TabWins, Connections)
 104         /// (PRECONDITION: ClearAll was called previously)
 105         virtual void ReSync();
 106
 107         /// delete everything hard (TabWins, Connections), without any notifications
 108         virtual void ClearAll();
 109
 110         // used by AddTabDlg to see if tables can still be added
 111         //virtual sal_Bool IsAddAllowed();
 112
 113         /// announce new Connection and insert it, if not existant yet
 114         void NotifyTabConnection(const OQueryTableConnection& rNewConn, sal_Bool _bCreateUndoAction = sal_True);
 115
 116         /// @note the Handler receives a pointer to a TabWinsChangeNotification struct
 117         Link SetTabWinsChangeHandler(const Link& lnk) { Link lnkRet = m_lnkTabWinsChangeHandler; m_lnkTabWinsChangeHandler = lnk; return lnkRet; }
 118
 119         sal_Bool ExistsAVisitedConn(const OQueryTableWindow* pFrom) const;
 120
 121         virtual OTableWindowData* CreateImpl(const OUString& _rComposedName
 122                                             ,const OUString& _sTableName
 123                                             ,const OUString& _rWinName);
 124
 125         /** opens the join dialog and allows to create a new join connection */
 126         void createNewConnection();
 127
 128     private:
 129         using OJoinTableView::EnsureVisible;
 130     };
 131 }
 132 #endif
 133
 134 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */