diff options
Diffstat (limited to 'dbaccess/source/ui/control/tabletree.cxx')
| -rw-r--r-- | dbaccess/source/ui/control/tabletree.cxx | 707 |
1 files changed, 707 insertions, 0 deletions
diff --git a/dbaccess/source/ui/control/tabletree.cxx b/dbaccess/source/ui/control/tabletree.cxx new file mode 100644 index 000000000..2c3f0976f --- /dev/null +++ b/dbaccess/source/ui/control/tabletree.cxx @@ -0,0 +1,707 @@ +/* -*- 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 . + */ + +#include <core_resource.hxx> +#include <tabletree.hxx> +#include <imageprovider.hxx> +#include <strings.hrc> +#include <connectivity/dbtools.hxx> +#include <com/sun/star/sdb/application/DatabaseObject.hpp> +#include <com/sun/star/sdb/application/DatabaseObjectContainer.hpp> +#include <com/sun/star/sdbcx/XViewsSupplier.hpp> +#include <com/sun/star/sdbcx/XTablesSupplier.hpp> +#include <com/sun/star/sdbc/SQLException.hpp> +#include <com/sun/star/sdbc/XRow.hpp> +#include <tools/diagnose_ex.h> +#include <osl/diagnose.h> +#include <connectivity/dbmetadata.hxx> + +#include <algorithm> + +namespace dbaui +{ + +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::sdb; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::sdbc; +using namespace ::com::sun::star::sdbcx; +using namespace ::com::sun::star::container; +using namespace ::com::sun::star::sdb::application; + +using namespace ::dbtools; +using namespace ::comphelper; + +namespace DatabaseObject = ::com::sun::star::sdb::application::DatabaseObject; +namespace DatabaseObjectContainer = ::com::sun::star::sdb::application::DatabaseObjectContainer; + +// OTableTreeListBox +OTableTreeListBox::OTableTreeListBox(std::unique_ptr<weld::TreeView> xTreeView, bool bShowToggles) + : TreeListBox(std::move(xTreeView), true) + , m_xImageProvider(new ImageProvider) + , m_bVirtualRoot(false) + , m_bNoEmptyFolders(false) + , m_bShowToggles(bShowToggles) +{ + if (m_bShowToggles) + m_xTreeView->enable_toggle_buttons(weld::ColumnToggleType::Check); +} + +bool OTableTreeListBox::isFolderEntry(const weld::TreeIter& rEntry) const +{ + sal_Int32 nEntryType = m_xTreeView->get_id(rEntry).toInt32(); + return ( nEntryType == DatabaseObjectContainer::TABLES ) + || ( nEntryType == DatabaseObjectContainer::CATALOG ) + || ( nEntryType == DatabaseObjectContainer::SCHEMA ); +} + +void OTableTreeListBox::implOnNewConnection( const Reference< XConnection >& _rxConnection ) +{ + m_xConnection = _rxConnection; + m_xImageProvider.reset( new ImageProvider( m_xConnection ) ); +} + +void OTableTreeListBox::UpdateTableList( const Reference< XConnection >& _rxConnection ) +{ + Sequence< OUString > sTables, sViews; + + OUString sCurrentActionError; + try + { + Reference< XTablesSupplier > xTableSupp( _rxConnection, UNO_QUERY_THROW ); + sCurrentActionError = DBA_RES(STR_NOTABLEINFO); + + Reference< XNameAccess > xTables,xViews; + + Reference< XViewsSupplier > xViewSupp( _rxConnection, UNO_QUERY ); + if ( xViewSupp.is() ) + { + xViews = xViewSupp->getViews(); + if (xViews.is()) + sViews = xViews->getElementNames(); + } + + xTables = xTableSupp->getTables(); + if (xTables.is()) + sTables = xTables->getElementNames(); + } + catch(RuntimeException&) + { + TOOLS_WARN_EXCEPTION( "dbaccess", "OTableTreeListBox::UpdateTableList"); + } + catch ( const SQLException& ) + { + throw; + } + catch(Exception&) + { + css::uno::Any anyEx = cppu::getCaughtException(); + // a non-SQLException exception occurred ... simply throw an SQLException + throw SQLException(sCurrentActionError, nullptr, "", 0, anyEx); + } + + UpdateTableList( _rxConnection, sTables, sViews ); +} + +namespace +{ + struct OViewSetter + { + const Sequence< OUString> m_aViews; + ::comphelper::UStringMixEqual m_aEqualFunctor; + + OViewSetter(const Sequence< OUString>& _rViews,bool _bCase) : m_aViews(_rViews),m_aEqualFunctor(_bCase){} + OTableTreeListBox::TNames::value_type operator() (const OUString& name) + { + OTableTreeListBox::TNames::value_type aRet; + aRet.first = name; + aRet.second = std::any_of(m_aViews.begin(), m_aViews.end(), + [this, &name](const OUString& lhs) + { return m_aEqualFunctor(lhs, name); } ); + + return aRet; + } + }; + +} + +void OTableTreeListBox::UpdateTableList( + const Reference< XConnection >& _rxConnection, + const Sequence< OUString>& _rTables, + const Sequence< OUString>& _rViews + ) +{ + TNames aTables; + aTables.resize(_rTables.getLength()); + try + { + Reference< XDatabaseMetaData > xMeta( _rxConnection->getMetaData(), UNO_SET_THROW ); + std::transform( _rTables.begin(), _rTables.end(), + aTables.begin(), OViewSetter( _rViews, xMeta->supportsMixedCaseQuotedIdentifiers() ) ); + } + catch(Exception&) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + UpdateTableList( _rxConnection, aTables ); +} + +namespace +{ + std::vector< OUString > lcl_getMetaDataStrings_throw( const Reference< XResultSet >& _rxMetaDataResult, sal_Int32 _nColumnIndex ) + { + std::vector< OUString > aStrings; + Reference< XRow > xRow( _rxMetaDataResult, UNO_QUERY_THROW ); + while ( _rxMetaDataResult->next() ) + aStrings.push_back( xRow->getString( _nColumnIndex ) ); + return aStrings; + } + + bool lcl_shouldDisplayEmptySchemasAndCatalogs( const Reference< XConnection >& _rxConnection ) + { + ::dbtools::DatabaseMetaData aMetaData( _rxConnection ); + return aMetaData.displayEmptyTableFolders(); + } +} + +void OTableTreeListBox::UpdateTableList( const Reference< XConnection >& _rxConnection, const TNames& _rTables ) +{ + implOnNewConnection( _rxConnection ); + + // throw away all the old stuff + m_xTreeView->clear(); + m_xTreeView->make_unsorted(); + + try + { + if (haveVirtualRoot()) + { + OUString sRootEntryText; + if ( std::none_of(_rTables.begin(),_rTables.end(), + [] (const TNames::value_type& name) { return !name.second; }) ) + sRootEntryText = DBA_RES(STR_ALL_TABLES); + else if ( std::none_of(_rTables.begin(),_rTables.end(), + [] (const TNames::value_type& name) { return name.second; }) ) + sRootEntryText = DBA_RES(STR_ALL_VIEWS); + else + sRootEntryText = DBA_RES(STR_ALL_TABLES_AND_VIEWS); + OUString sId(OUString::number(DatabaseObjectContainer::TABLES)); + OUString sImageId = ImageProvider::getFolderImageId(DatabaseObject::TABLE); + std::unique_ptr<weld::TreeIter> xRet(m_xTreeView->make_iterator()); + m_xTreeView->insert(nullptr, -1, nullptr, &sId, nullptr, nullptr, false, xRet.get()); + m_xTreeView->set_image(*xRet, sImageId, -1); + if (m_bShowToggles) + m_xTreeView->set_toggle(*xRet, TRISTATE_FALSE); + m_xTreeView->set_text(*xRet, sRootEntryText, 0); + m_xTreeView->set_text_emphasis(*xRet, false, 0); + } + + if ( _rTables.empty() ) + // nothing to do (besides inserting the root entry) + return; + + // get the table/view names + Reference< XDatabaseMetaData > xMeta( _rxConnection->getMetaData(), UNO_SET_THROW ); + for (auto const& table : _rTables) + { + // add the entry + implAddEntry(xMeta, table.first, false); + } + + if ( !m_bNoEmptyFolders && lcl_shouldDisplayEmptySchemasAndCatalogs( _rxConnection ) ) + { + bool bSupportsCatalogs = xMeta->supportsCatalogsInDataManipulation(); + bool bSupportsSchemas = xMeta->supportsSchemasInDataManipulation(); + + if ( bSupportsCatalogs || bSupportsSchemas ) + { + // we display empty catalogs if the DB supports catalogs, and they're noted at the beginning of a + // composed name. Otherwise, we display empty schematas. (also see the tree structure explained in + // implAddEntry) + bool bCatalogs = bSupportsCatalogs && xMeta->isCatalogAtStart(); + + std::vector< OUString > aFolderNames( lcl_getMetaDataStrings_throw( + bCatalogs ? xMeta->getCatalogs() : xMeta->getSchemas(), 1 ) ); + sal_Int32 nFolderType = bCatalogs ? DatabaseObjectContainer::CATALOG : DatabaseObjectContainer::SCHEMA; + + OUString sImageId = ImageProvider::getFolderImageId(DatabaseObject::TABLE); + + std::unique_ptr<weld::TreeIter> xRootEntry(getAllObjectsEntry()); + std::unique_ptr<weld::TreeIter> xRet(m_xTreeView->make_iterator()); + for (auto const& folderName : aFolderNames) + { + std::unique_ptr<weld::TreeIter> xFolder(GetEntryPosByName(folderName, xRootEntry.get())); + if (!xFolder) + { + OUString sId(OUString::number(nFolderType)); + m_xTreeView->insert(xRootEntry.get(), -1, nullptr, &sId, nullptr, nullptr, false, xRet.get()); + m_xTreeView->set_image(*xRet, sImageId, -1); + if (m_bShowToggles) + m_xTreeView->set_toggle(*xRet, TRISTATE_FALSE); + m_xTreeView->set_text(*xRet, folderName, 0); + m_xTreeView->set_text_emphasis(*xRet, false, 0); + } + } + } + } + } + catch ( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + + m_xTreeView->make_sorted(); +} + +bool OTableTreeListBox::isWildcardChecked(const weld::TreeIter& rEntry) +{ + return m_xTreeView->get_text_emphasis(rEntry, 0); +} + +void OTableTreeListBox::checkWildcard(const weld::TreeIter& rEntry) +{ + if (!m_bShowToggles) + return; + m_xTreeView->set_toggle(rEntry, TRISTATE_TRUE); + checkedButton_noBroadcast(rEntry); +} + +std::unique_ptr<weld::TreeIter> OTableTreeListBox::getAllObjectsEntry() const +{ + if (!haveVirtualRoot()) + return nullptr; + auto xRet = m_xTreeView->make_iterator(); + if (!m_xTreeView->get_iter_first(*xRet)) + return nullptr; + return xRet; +} + +void OTableTreeListBox::checkedButton_noBroadcast(const weld::TreeIter& rEntry) +{ + if (!m_bShowToggles) + return; + TriState eState = m_xTreeView->get_toggle(rEntry); + OSL_ENSURE(TRISTATE_INDET != eState, "OTableTreeListBox::CheckButtonHdl: user action which lead to TRISTATE?"); + + if (m_xTreeView->iter_has_child(rEntry)) // if it has children, check those too + { + std::unique_ptr<weld::TreeIter> xChildEntry(m_xTreeView->make_iterator(&rEntry)); + std::unique_ptr<weld::TreeIter> xSiblingEntry(m_xTreeView->make_iterator(&rEntry)); + bool bChildEntry = m_xTreeView->iter_next(*xChildEntry); + bool bSiblingEntry = m_xTreeView->iter_next_sibling(*xSiblingEntry); + while (bChildEntry && (!bSiblingEntry || !xChildEntry->equal(*xSiblingEntry))) + { + m_xTreeView->set_toggle(*xChildEntry, eState); + bChildEntry = m_xTreeView->iter_next(*xChildEntry); + } + } + + if (m_xTreeView->is_selected(rEntry)) + { + m_xTreeView->selected_foreach([this, eState](weld::TreeIter& rSelected){ + m_xTreeView->set_toggle(rSelected, eState); + if (m_xTreeView->iter_has_child(rSelected)) // if it has children, check those too + { + std::unique_ptr<weld::TreeIter> xChildEntry(m_xTreeView->make_iterator(&rSelected)); + std::unique_ptr<weld::TreeIter> xSiblingEntry(m_xTreeView->make_iterator(&rSelected)); + bool bChildEntry = m_xTreeView->iter_next(*xChildEntry); + bool bSiblingEntry = m_xTreeView->iter_next_sibling(*xSiblingEntry); + while (bChildEntry && (!bSiblingEntry || !xChildEntry->equal(*xSiblingEntry))) + { + m_xTreeView->set_toggle(*xChildEntry, eState); + bChildEntry = m_xTreeView->iter_next(*xChildEntry); + } + } + return false; + }); + } + + CheckButtons(); + + // if an entry has children, it makes a difference if the entry is checked + // because all children are checked or if the user checked it explicitly. + // So we track explicit (un)checking + implEmphasize(rEntry, eState == TRISTATE_TRUE); +} + +void OTableTreeListBox::implEmphasize(const weld::TreeIter& rEntry, bool _bChecked, bool _bUpdateDescendants, bool _bUpdateAncestors) +{ + // special emphasizing handling for the "all objects" entry + bool bAllObjectsEntryAffected = haveVirtualRoot() && (getAllObjectsEntry()->equal(rEntry)); + if ( m_xTreeView->iter_has_child(rEntry) // the entry has children + || bAllObjectsEntryAffected // or it is the "all objects" entry + ) + { + m_xTreeView->set_text_emphasis(rEntry, _bChecked, 0); + } + + if (_bUpdateDescendants) + { + std::unique_ptr<weld::TreeIter> xChild(m_xTreeView->make_iterator(&rEntry)); + // remove the mark for all children of the checked entry + bool bChildLoop = m_xTreeView->iter_children(*xChild); + while (bChildLoop) + { + if (m_xTreeView->iter_has_child(*xChild)) + implEmphasize(*xChild, false, true, false); + bChildLoop = m_xTreeView->iter_next_sibling(*xChild); + } + } + + if (_bUpdateAncestors) + { + std::unique_ptr<weld::TreeIter> xParent(m_xTreeView->make_iterator(&rEntry)); + // remove the mark for all ancestors of the entry + if (m_xTreeView->iter_parent(*xParent)) + implEmphasize(*xParent, false, false); + } +} + +std::unique_ptr<weld::TreeIter> OTableTreeListBox::implAddEntry( + const Reference< XDatabaseMetaData >& _rxMeta, + const OUString& _rTableName, + bool _bCheckName + ) +{ + OSL_PRECOND( _rxMeta.is(), "OTableTreeListBox::implAddEntry: invalid meta data!" ); + if ( !_rxMeta.is() ) + return nullptr; + + // split the complete name into its components + OUString sCatalog, sSchema, sName; + qualifiedNameComponents( _rxMeta, _rTableName, sCatalog, sSchema, sName, ::dbtools::EComposeRule::InDataManipulation ); + + std::unique_ptr<weld::TreeIter> xParentEntry(getAllObjectsEntry()); + + // if the DB uses catalog at the start of identifiers, then our hierarchy is + // catalog + // +- schema + // +- table + // else it is + // schema + // +- catalog + // +- table + bool bCatalogAtStart = _rxMeta->isCatalogAtStart(); + const OUString& rFirstName = bCatalogAtStart ? sCatalog : sSchema; + const sal_Int32 nFirstFolderType = bCatalogAtStart ? DatabaseObjectContainer::CATALOG : DatabaseObjectContainer::SCHEMA; + const OUString& rSecondName = bCatalogAtStart ? sSchema : sCatalog; + const sal_Int32 nSecondFolderType = bCatalogAtStart ? DatabaseObjectContainer::SCHEMA : DatabaseObjectContainer::CATALOG; + + if ( !rFirstName.isEmpty() ) + { + std::unique_ptr<weld::TreeIter> xFolder(GetEntryPosByName(rFirstName, xParentEntry.get())); + if (!xFolder) + { + xFolder = m_xTreeView->make_iterator(); + OUString sId(OUString::number(nFirstFolderType)); + OUString sImageId = ImageProvider::getFolderImageId(DatabaseObject::TABLE); + m_xTreeView->insert(xParentEntry.get(), -1, nullptr, &sId, nullptr, nullptr, false, xFolder.get()); + m_xTreeView->set_image(*xFolder, sImageId, -1); + if (m_bShowToggles) + m_xTreeView->set_toggle(*xFolder, TRISTATE_FALSE); + m_xTreeView->set_text(*xFolder, rFirstName, 0); + m_xTreeView->set_text_emphasis(*xFolder, false, 0); + } + xParentEntry = std::move(xFolder); + } + + if ( !rSecondName.isEmpty() ) + { + std::unique_ptr<weld::TreeIter> xFolder(GetEntryPosByName(rSecondName, xParentEntry.get())); + if (!xFolder) + { + xFolder = m_xTreeView->make_iterator(); + OUString sId(OUString::number(nSecondFolderType)); + OUString sImageId = ImageProvider::getFolderImageId(DatabaseObject::TABLE); + m_xTreeView->insert(xParentEntry.get(), -1, nullptr, &sId, nullptr, nullptr, false, xFolder.get()); + m_xTreeView->set_image(*xFolder, sImageId, -1); + if (m_bShowToggles) + m_xTreeView->set_toggle(*xFolder, TRISTATE_FALSE); + m_xTreeView->set_text(*xFolder, rSecondName, 0); + m_xTreeView->set_text_emphasis(*xFolder, false, 0); + } + xParentEntry = std::move(xFolder); + } + + if (!_bCheckName || !GetEntryPosByName(sName, xParentEntry.get())) + { + std::unique_ptr<weld::TreeIter> xEntry = m_xTreeView->make_iterator(); + m_xTreeView->insert(xParentEntry.get(), -1, nullptr, nullptr, nullptr, nullptr, false, xEntry.get()); + + auto xGraphic = m_xImageProvider->getXGraphic(_rTableName, DatabaseObject::TABLE); + if (xGraphic.is()) + m_xTreeView->set_image(*xEntry, xGraphic, -1); + else + { + OUString sImageId(m_xImageProvider->getImageId(_rTableName, DatabaseObject::TABLE)); + m_xTreeView->set_image(*xEntry, sImageId, -1); + } + if (m_bShowToggles) + m_xTreeView->set_toggle(*xEntry, TRISTATE_FALSE); + m_xTreeView->set_text(*xEntry, sName, 0); + m_xTreeView->set_text_emphasis(*xEntry, false, 0); + + return xEntry; + } + + return nullptr; +} + +NamedDatabaseObject OTableTreeListBox::describeObject(const weld::TreeIter& rEntry) +{ + NamedDatabaseObject aObject; + + sal_Int32 nEntryType = m_xTreeView->get_id(rEntry).toInt32(); + + if ( nEntryType == DatabaseObjectContainer::TABLES ) + { + aObject.Type = DatabaseObjectContainer::TABLES; + } + else if ( ( nEntryType == DatabaseObjectContainer::CATALOG ) + || ( nEntryType == DatabaseObjectContainer::SCHEMA ) + ) + { + // nothing useful to be done + } + else + { + aObject.Type = DatabaseObject::TABLE; + aObject.Name = getQualifiedTableName(rEntry); + } + + return aObject; +} + +std::unique_ptr<weld::TreeIter> OTableTreeListBox::addedTable(const OUString& rName) +{ + try + { + Reference< XDatabaseMetaData > xMeta; + if ( impl_getAndAssertMetaData( xMeta ) ) + return implAddEntry( xMeta, rName ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + return nullptr; +} + +bool OTableTreeListBox::impl_getAndAssertMetaData( Reference< XDatabaseMetaData >& _out_rMetaData ) const +{ + if ( m_xConnection.is() ) + _out_rMetaData = m_xConnection->getMetaData(); + OSL_PRECOND( _out_rMetaData.is(), "OTableTreeListBox::impl_getAndAssertMetaData: invalid current connection!" ); + return _out_rMetaData.is(); +} + +OUString OTableTreeListBox::getQualifiedTableName(const weld::TreeIter& rEntry) const +{ + OSL_PRECOND( !isFolderEntry(rEntry), "OTableTreeListBox::getQualifiedTableName: folder entries not allowed here!" ); + + try + { + Reference< XDatabaseMetaData > xMeta; + if ( !impl_getAndAssertMetaData( xMeta ) ) + return OUString(); + + OUString sCatalog; + OUString sSchema; + OUString sTable; + + std::unique_ptr<weld::TreeIter> xSchema(m_xTreeView->make_iterator(&rEntry)); + bool bSchema = m_xTreeView->iter_parent(*xSchema); + if (bSchema) + { + std::unique_ptr<weld::TreeIter> xCatalog(m_xTreeView->make_iterator(xSchema.get())); + bool bCatalog = m_xTreeView->iter_parent(*xCatalog); + if ( bCatalog + || ( xMeta->supportsCatalogsInDataManipulation() + && !xMeta->supportsSchemasInDataManipulation() + ) // here we support catalog but no schema + ) + { + if (!bCatalog) + { + xCatalog = std::move(xSchema); + bSchema = false; + } + sCatalog = m_xTreeView->get_text(*xCatalog); + } + if (bSchema) + sSchema = m_xTreeView->get_text(*xSchema); + } + sTable = m_xTreeView->get_text(rEntry); + + return ::dbtools::composeTableName( xMeta, sCatalog, sSchema, sTable, false, ::dbtools::EComposeRule::InDataManipulation ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + return OUString(); +} + +std::unique_ptr<weld::TreeIter> OTableTreeListBox::getEntryByQualifiedName(const OUString& rName) +{ + try + { + Reference< XDatabaseMetaData > xMeta; + if ( !impl_getAndAssertMetaData( xMeta ) ) + return nullptr; + + // split the complete name into its components + OUString sCatalog, sSchema, sName; + qualifiedNameComponents(xMeta, rName, sCatalog, sSchema, sName,::dbtools::EComposeRule::InDataManipulation); + + std::unique_ptr<weld::TreeIter> xParent(getAllObjectsEntry()); + std::unique_ptr<weld::TreeIter> xCat; + std::unique_ptr<weld::TreeIter> xSchema; + if (!sCatalog.isEmpty()) + { + xCat = GetEntryPosByName(sCatalog); + if (xCat) + xParent = std::move(xCat); + } + + if (!sSchema.isEmpty()) + { + xSchema = GetEntryPosByName(sSchema, xParent.get()); + if (xSchema) + xParent = std::move(xSchema); + } + + return GetEntryPosByName(sName, xParent.get()); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + return nullptr; +} + +void OTableTreeListBox::removedTable(const OUString& rName) +{ + try + { + std::unique_ptr<weld::TreeIter> xEntry = getEntryByQualifiedName(rName); + if (xEntry) + m_xTreeView->remove(*xEntry); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } +} + +void OTableTreeListBox::CheckButtons() +{ + if (!m_bShowToggles) + return; + + auto xEntry(m_xTreeView->make_iterator()); + if (!m_xTreeView->get_iter_first(*xEntry)) + return; + + do + { + implDetermineState(*xEntry); + } while (m_xTreeView->iter_next_sibling(*xEntry)); +} + +TriState OTableTreeListBox::implDetermineState(const weld::TreeIter& rEntry) +{ + if (!m_bShowToggles) + return TRISTATE_FALSE; + + TriState eState = m_xTreeView->get_toggle(rEntry); + if (!m_xTreeView->iter_has_child(rEntry)) + // nothing to do in this bottom-up routine if there are no children ... + return eState; + + // loop through the children and check their states + sal_uInt16 nCheckedChildren = 0; + sal_uInt16 nChildrenOverall = 0; + + std::unique_ptr<weld::TreeIter> xChild(m_xTreeView->make_iterator(&rEntry)); + bool bChildLoop = m_xTreeView->iter_children(*xChild); + while (bChildLoop) + { + TriState eChildState = implDetermineState(*xChild); + if (eChildState == TRISTATE_INDET) + break; + if (eChildState == TRISTATE_TRUE) + ++nCheckedChildren; + ++nChildrenOverall; + bChildLoop = m_xTreeView->iter_next_sibling(*xChild); + } + + if (bChildLoop) + { + // we did not finish the loop because at least one of the children is in tristate + eState = TRISTATE_INDET; + + // but this means that we did not finish all the siblings of pChildLoop, + // so their checking may be incorrect at the moment + // -> correct this + while (bChildLoop) + { + implDetermineState(*xChild); + bChildLoop = m_xTreeView->iter_next_sibling(*xChild); + } + } + else + { + // none if the children are in tristate + if (nCheckedChildren) + { + // we have at least one child checked + if (nCheckedChildren != nChildrenOverall) + { + // not all children are checked + eState = TRISTATE_INDET; + } + else + { + // all children are checked + eState = TRISTATE_TRUE; + } + } + else + { + // no children are checked + eState = TRISTATE_FALSE; + } + } + + // finally set the entry to the state we just determined + m_xTreeView->set_toggle(rEntry, eState); + + return eState; +} + +DBTableTreeView::DBTableTreeView(weld::Container* pContainer) + : DBTreeViewBase(pContainer) +{ + m_xTreeListBox.reset(new OTableTreeListBox(m_xBuilder->weld_tree_view("treeview"), /*bShowToggles*/false)); +} + +} // namespace dbaui + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |