dbaccess/source/ui/relationdesign/RelationTableView.cxx

   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
  20 #include <RelationTableView.hxx>
  21 #include <core_resource.hxx>
  22 #include <browserids.hxx>
  23 #include <com/sun/star/sdbcx/XTablesSupplier.hpp>
  24 #include <com/sun/star/sdbc/XConnection.hpp>
  25 #include <com/sun/star/sdbc/SQLException.hpp>
  26 #include <com/sun/star/container/XContainer.hpp>
  27 #include <com/sun/star/container/XIndexAccess.hpp>
  28 #include <com/sun/star/container/XNameAccess.hpp>
  29 #include <com/sun/star/beans/XPropertySet.hpp>
  30 #include <connectivity/dbtools.hxx>
  31 #include <comphelper/diagnose_ex.hxx>
  32 #include <helpids.h>
  33 #include <RelationDesignView.hxx>
  34 #include <JoinController.hxx>
  35 #include <TableWindow.hxx>
  36 #include <TableWindowData.hxx>
  37 #include "RTableConnection.hxx"
  38 #include <RTableConnectionData.hxx>
  39 #include <RelationDlg.hxx>
  40 #include <sqlmessage.hxx>
  41 #include <strings.hrc>
  42 #include <connectivity/dbexception.hxx>
  43 #include "RTableWindow.hxx"
  44 #include <JAccess.hxx>
  45 #include <vcl/stdtext.hxx>
  46 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
  47
  48 using namespace dbaui;
  49 using namespace ::dbtools;
  50 using namespace ::com::sun::star;
  51 using namespace ::com::sun::star::uno;
  52 using namespace ::com::sun::star::sdbc;
  53 using namespace ::com::sun::star::sdbcx;
  54 using namespace ::com::sun::star::beans;
  55 using namespace ::com::sun::star::container;
  56 using namespace ::com::sun::star::accessibility;
  57
  58 ORelationTableView::ORelationTableView( vcl::Window* pParent, ORelationDesignView* pView )
  59     :OJoinTableView( pParent, pView )
  60     , ::comphelper::OContainerListener(m_aMutex)
  61     ,m_pExistingConnection(nullptr)
  62     ,m_bInRemove(false)
  63
  64 {
  65     SetHelpId(HID_CTL_RELATIONTAB);
  66 }
  67
  68 ORelationTableView::~ORelationTableView()
  69 {
  70     disposeOnce();
  71 }
  72
  73 void ORelationTableView::dispose()
  74 {
  75     if ( m_pContainerListener.is() )
  76         m_pContainerListener->dispose();
  77     m_pExistingConnection.clear();
  78     OJoinTableView::dispose();
  79 }
  80
  81 void ORelationTableView::ReSync()
  82 {
  83     if ( !m_pContainerListener.is() )
  84     {
  85         Reference< XConnection> xConnection = m_pView->getController().getConnection();
  86         Reference< XTablesSupplier > xTableSupp( xConnection, UNO_QUERY_THROW );
  87         Reference< XNameAccess > xTables = xTableSupp->getTables();
  88         Reference< XContainer> xContainer(xTables,uno::UNO_QUERY);
  89         if ( xContainer.is() )
  90             m_pContainerListener = new ::comphelper::OContainerListenerAdapter(this,xContainer);
  91     }
  92     // Tables could have been hidden in the database, which are part of a relation. Or a table was in layout
  93     // (quite often without a relation) and does not exist anymore. In both cases creation of TabWins will fail
  94     // and all TabWinDatas and related ConnDates should be deleted.
  95     std::vector< OUString> arrInvalidTables;
  96
  97     // create and insert windows
  98     TTableWindowData& rTabWinDataList = m_pView->getController().getTableWindowData();
  99     TTableWindowData::const_reverse_iterator aIter = rTabWinDataList.rbegin();
 100     for(;aIter != rTabWinDataList.rend();++aIter)
 101     {
 102         TTableWindowData::value_type pData = *aIter;
 103         VclPtr<OTableWindow> pTabWin = createWindow(pData);
 104
 105         if (!pTabWin->Init())
 106         {
 107             // initialisation failed, which means this TabWin is not available, therefore,
 108             // it should be cleaned up, including its data in the document
 109             pTabWin->clearListBox();
 110             pTabWin.disposeAndClear();
 111             arrInvalidTables.push_back(pData->GetTableName());
 112
 113             rTabWinDataList.erase( std::remove(rTabWinDataList.begin(), rTabWinDataList.end(), *aIter), rTabWinDataList.end());
 114             continue;
 115         }
 116
 117         GetTabWinMap()[pData->GetComposedName()] = pTabWin;  // insert at the beginning, as the Datalist is walked through backward
 118         // if there's no position or size contained in the data -> Default
 119         if (!pData->HasPosition() && !pData->HasSize())
 120             SetDefaultTabWinPosSize(pTabWin);
 121
 122         pTabWin->Show();
 123     }
 124
 125     // insert connection
 126     TTableConnectionData& rTabConnDataList = m_pView->getController().getTableConnectionData();
 127     TTableConnectionData::const_reverse_iterator aConIter = rTabConnDataList.rbegin();
 128
 129     for(;aConIter != rTabConnDataList.rend();++aConIter)
 130     {
 131         ORelationTableConnectionData* pTabConnData = static_cast<ORelationTableConnectionData*>(aConIter->get());
 132         if ( !arrInvalidTables.empty() )
 133         {
 134             // do the tables to the  connection exist?
 135             OUString strTabExistenceTest = pTabConnData->getReferencingTable()->GetTableName();
 136             bool bInvalid = std::find(arrInvalidTables.begin(),arrInvalidTables.end(),strTabExistenceTest) != arrInvalidTables.end();
 137             strTabExistenceTest = pTabConnData->getReferencedTable()->GetTableName();
 138             bInvalid = bInvalid || std::find(arrInvalidTables.begin(),arrInvalidTables.end(),strTabExistenceTest) != arrInvalidTables.end();
 139
 140             if (bInvalid)
 141             {
 142                 // no -> bad luck, the connection is gone
 143                 rTabConnDataList.erase( std::remove(rTabConnDataList.begin(), rTabConnDataList.end(), *aConIter), rTabConnDataList.end() );
 144                 continue;
 145             }
 146         }
 147
 148         addConnection( VclPtr<ORelationTableConnection>::Create(this, *aConIter), false );
 149     }
 150
 151     if ( !GetTabWinMap().empty() )
 152         GetTabWinMap().begin()->second->GrabFocus();
 153 }
 154
 155 bool ORelationTableView::IsAddAllowed()
 156 {
 157
 158     return !m_pView->getController().isReadOnly();
 159 }
 160
 161 void ORelationTableView::AddConnection(const OJoinExchangeData& jxdSource, const OJoinExchangeData& jxdDest)
 162 {
 163     // Set LineDataObject based on selected fieldname
 164     // check if relation already exists
 165     OTableWindow* pSourceWin = jxdSource.pListBox->GetTabWin();
 166     OTableWindow* pDestWin = jxdDest.pListBox->GetTabWin();
 167
 168     for(VclPtr<OTableConnection> const & pFirst : getTableConnections())
 169     {
 170         if((pFirst->GetSourceWin() == pSourceWin && pFirst->GetDestWin() == pDestWin) ||
 171            (pFirst->GetSourceWin() == pDestWin  && pFirst->GetDestWin() == pSourceWin))
 172         {
 173             m_pExistingConnection = pFirst;
 174             break;
 175         }
 176     }
 177     // insert table connection into view
 178     TTableConnectionData::value_type pTabConnData = std::make_shared<ORelationTableConnectionData>(pSourceWin->GetData(),
 179                                                                                    pDestWin->GetData());
 180
 181     // the names of the affected fields
 182     weld::TreeView& rSourceTreeView = jxdSource.pListBox->get_widget();
 183     OUString sSourceFieldName = rSourceTreeView.get_text(jxdSource.nEntry);
 184     weld::TreeView& rDestTreeView = jxdDest.pListBox->get_widget();
 185     OUString sDestFieldName = rDestTreeView.get_text(jxdDest.nEntry);
 186
 187     // the number of PKey-Fields in the source
 188     const Reference< XNameAccess> xPrimaryKeyColumns = getPrimaryKeyColumns_throw(pSourceWin->GetData()->getTable());
 189     bool bAskUser = xPrimaryKeyColumns.is() && Reference< XIndexAccess>(xPrimaryKeyColumns,UNO_QUERY_THROW)->getCount() > 1;
 190
 191     pTabConnData->SetConnLine( 0, sSourceFieldName, sDestFieldName );
 192
 193     if ( bAskUser || m_pExistingConnection )
 194         m_pCurrentlyTabConnData = pTabConnData; // this implies that we ask the user what to do
 195     else
 196     {
 197         try
 198         {
 199             // hand over data to the database
 200             if( pTabConnData->Update() )
 201             {
 202                 // enter UI-object into ConnList
 203                 addConnection( VclPtr<ORelationTableConnection>::Create( this, pTabConnData ) );
 204             }
 205         }
 206         catch(const SQLException&)
 207         {
 208             throw;
 209         }
 210         catch(const Exception&)
 211         {
 212             TOOLS_WARN_EXCEPTION( "dbaccess", "ORelationTableView::AddConnection");
 213         }
 214     }
 215 }
 216
 217 void ORelationTableView::ConnDoubleClicked(VclPtr<OTableConnection>& rConnection)
 218 {
 219     ORelationDialog aRelDlg(this, rConnection->GetData());
 220     switch (aRelDlg.run())
 221     {
 222         case RET_OK:
 223             // successfully updated
 224             rConnection->UpdateLineList();
 225             // The connection references 1 ConnData and n ConnLines, each ConnData references n LineDatas, each Line exactly 1 LineData
 226             // As the Dialog and the ConnData->Update may have changed the LineDatas we have to restore the consistent state
 227             break;
 228
 229         case RET_NO:
 230             // tried at least one update, but did not succeed -> the original connection is lost
 231             RemoveConnection(rConnection ,true);
 232             break;
 233
 234         case RET_CANCEL:
 235             // no break, as nothing happened and we don't need the code below
 236             return;
 237
 238     }
 239
 240     Invalidate(InvalidateFlags::NoChildren);
 241 }
 242
 243 void ORelationTableView::AddNewRelation()
 244 {
 245
 246     TTableConnectionData::value_type pNewConnData = std::make_shared<ORelationTableConnectionData>();
 247     ORelationDialog aRelDlg(this, pNewConnData, true);
 248
 249     bool bSuccess = (aRelDlg.run() == RET_OK);
 250     if (bSuccess)
 251     {
 252         // already updated by the dialog
 253         // announce it to the document
 254         addConnection( VclPtr<ORelationTableConnection>::Create(this, pNewConnData) );
 255     }
 256 }
 257
 258 bool ORelationTableView::RemoveConnection(VclPtr<OTableConnection>& rConn, bool /*_bDelete*/)
 259 {
 260     ORelationTableConnectionData* pTabConnData = static_cast<ORelationTableConnectionData*>(rConn->GetData().get());
 261     try
 262     {
 263         if (!m_bInRemove)
 264             pTabConnData->DropRelation();
 265         return OJoinTableView::RemoveConnection(rConn, true);
 266     }
 267     catch(SQLException& e)
 268     {
 269         getDesignView()->getController().showError(SQLExceptionInfo(e));
 270     }
 271     catch(Exception&)
 272     {
 273         TOOLS_WARN_EXCEPTION( "dbaccess", "ORelationTableView::RemoveConnection: Something other than SQLException occurred!");
 274     }
 275     return false;
 276 }
 277
 278 void ORelationTableView::AddTabWin(const OUString& _rComposedName, const OUString& rWinName, bool /*bNewTable*/)
 279 {
 280     OSL_ENSURE(!_rComposedName.isEmpty(),"There must be a table name supplied!");
 281     OJoinTableView::OTableWindowMap::const_iterator aIter = GetTabWinMap().find(_rComposedName);
 282
 283     if(aIter != GetTabWinMap().end())
 284     {
 285         aIter->second->SetZOrder(nullptr, ZOrderFlags::First);
 286         aIter->second->GrabFocus();
 287         EnsureVisible(aIter->second);
 288         // no new one
 289         return;
 290     }
 291
 292     // enter the new data structure into DocShell
 293     TTableWindowData::value_type pNewTabWinData(createTableWindowData( _rComposedName, rWinName,rWinName ));
 294     pNewTabWinData->ShowAll(false);
 295
 296     // link new window into the window list
 297     VclPtr<OTableWindow> pNewTabWin = createWindow( pNewTabWinData );
 298     if(pNewTabWin->Init())
 299     {
 300         m_pView->getController().getTableWindowData().push_back( pNewTabWinData);
 301         // when we already have a table with this name insert the full qualified one instead
 302         GetTabWinMap()[_rComposedName] = pNewTabWin;
 303
 304         SetDefaultTabWinPosSize( pNewTabWin );
 305         pNewTabWin->Show();
 306
 307         modified();
 308
 309         if ( m_pAccessible )
 310             m_pAccessible->notifyAccessibleEvent(   AccessibleEventId::CHILD,
 311                                                     Any(),
 312                                                     Any(pNewTabWin->GetAccessible()));
 313     }
 314     else
 315     {
 316         pNewTabWin->clearListBox();
 317         pNewTabWin.disposeAndClear();
 318     }
 319 }
 320
 321 void ORelationTableView::RemoveTabWin( OTableWindow* pTabWin )
 322 {
 323     OSQLWarningBox aDlg(GetFrameWeld(), DBA_RES(STR_QUERY_REL_DELETE_WINDOW), MessBoxStyle::YesNo | MessBoxStyle::DefaultYes);
 324     if (m_bInRemove || aDlg.run() == RET_YES)
 325     {
 326         m_pView->getController().ClearUndoManager();
 327         OJoinTableView::RemoveTabWin( pTabWin );
 328
 329         m_pView->getController().InvalidateFeature(SID_RELATION_ADD_RELATION);
 330         m_pView->getController().InvalidateFeature(ID_BROWSER_UNDO);
 331         m_pView->getController().InvalidateFeature(ID_BROWSER_REDO);
 332     }
 333 }
 334
 335 void ORelationTableView::lookForUiActivities()
 336 {
 337     if(m_pExistingConnection)
 338     {
 339         OUString sTitle(DBA_RES(STR_RELATIONDESIGN));
 340         sTitle = sTitle.copy(3);
 341         OSQLMessageBox aDlg(GetFrameWeld(), DBA_RES(STR_QUERY_REL_EDIT_RELATION), OUString(), MessBoxStyle::NONE);
 342         aDlg.set_title(sTitle);
 343         aDlg.add_button(DBA_RES(STR_QUERY_REL_EDIT), RET_OK);
 344         aDlg.set_default_response(RET_OK);
 345         aDlg.add_button(DBA_RES(STR_QUERY_REL_CREATE), RET_YES);
 346         aDlg.add_button(GetStandardText(StandardButtonType::Cancel), RET_CANCEL);
 347         sal_uInt16 nRet = aDlg.run();
 348         if (nRet == RET_CANCEL)
 349         {
 350             m_pCurrentlyTabConnData.reset();
 351         }
 352         else if ( nRet == RET_OK ) // EDIT
 353         {
 354             ConnDoubleClicked(m_pExistingConnection);
 355             m_pCurrentlyTabConnData.reset();
 356         }
 357         m_pExistingConnection = nullptr;
 358     }
 359     if(m_pCurrentlyTabConnData)
 360     {
 361         ORelationDialog aRelDlg(this, m_pCurrentlyTabConnData);
 362         if (aRelDlg.run() == RET_OK)
 363         {
 364             // already updated by the dialog
 365             addConnection( VclPtr<ORelationTableConnection>::Create( this, m_pCurrentlyTabConnData ) );
 366         }
 367         m_pCurrentlyTabConnData.reset();
 368     }
 369 }
 370
 371 VclPtr<OTableWindow> ORelationTableView::createWindow(const TTableWindowData::value_type& _pData)
 372 {
 373     return VclPtr<ORelationTableWindow>::Create(this,_pData);
 374 }
 375
 376 bool ORelationTableView::allowQueries() const
 377 {
 378     return false;
 379 }
 380
 381 void ORelationTableView::_elementInserted( const container::ContainerEvent& /*_rEvent*/ )
 382 {
 383
 384 }
 385
 386 void ORelationTableView::_elementRemoved( const container::ContainerEvent& _rEvent )
 387 {
 388     m_bInRemove = true;
 389     OUString sName;
 390     if ( _rEvent.Accessor >>= sName )
 391     {
 392         OTableWindow* pTableWindow = GetTabWindow(sName);
 393         if ( pTableWindow )
 394         {
 395             m_pView->getController().ClearUndoManager();
 396             OJoinTableView::RemoveTabWin( pTableWindow );
 397
 398             m_pView->getController().InvalidateFeature(SID_RELATION_ADD_RELATION);
 399             m_pView->getController().InvalidateFeature(ID_BROWSER_UNDO);
 400             m_pView->getController().InvalidateFeature(ID_BROWSER_REDO);
 401         }
 402     }
 403     m_bInRemove = false;
 404 }
 405
 406 void ORelationTableView::_elementReplaced( const container::ContainerEvent& /*_rEvent*/ )
 407 {
 408 }
 409
 410 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */