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Diffstat (limited to 'forms/source/component/GroupManager.hxx')
| -rw-r--r-- | forms/source/component/GroupManager.hxx | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/forms/source/component/GroupManager.hxx b/forms/source/component/GroupManager.hxx new file mode 100644 index 0000000000..4cefd7ac3a --- /dev/null +++ b/forms/source/component/GroupManager.hxx @@ -0,0 +1,194 @@ +/* -*- 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 <com/sun/star/awt/XControlModel.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/beans/XPropertyChangeListener.hpp> +#include <com/sun/star/container/XContainerListener.hpp> +#include <com/sun/star/container/XContainer.hpp> +#include <cppuhelper/implbase.hxx> + +#include <map> +#include <memory> +#include <vector> + +/* + * The GroupManager listens at the StarForm for FormComponent insertion and removal as well as + * its properties "Name" and "TabIndex" and updates its Group using this information. + * + * The GroupManager manages a Group in which all Controls are sorted by TabIndex. + * It also manages an array of Groups, in which each FormComponent is assigned a + * Group according to its name. + * Each Group is activated using a Map, if they contain more than one element. + * + * The Groups manage the FormComponents internally using two arrays. + * In the GroupCompArray the Components are sorted by TabIndex and insertion position. + * Because this array is accessed via the FormComponent, we also have the GroupCompAccessArray + * in which the FormComponents are sorted by their storage address. + * Every element of the GroupCompArray has a pointer to the GroupCompArray. + */ +namespace frm +{ + + + template <class ELEMENT, class LESS_COMPARE> + sal_Int32 insert_sorted(::std::vector<ELEMENT>& _rArray, const ELEMENT& _rNewElement, const LESS_COMPARE& _rCompareOp) + { + typename ::std::vector<ELEMENT>::iterator aInsertPos = ::std::lower_bound( + _rArray.begin(), + _rArray.end(), + _rNewElement, + _rCompareOp + ); + aInsertPos = _rArray.insert(aInsertPos, _rNewElement); + return aInsertPos - _rArray.begin(); + } + + template <class ELEMENT, class LESS_COMPARE> + bool seek_entry(const ::std::vector<ELEMENT>& _rArray, const ELEMENT& _rNewElement, sal_Int32& nPos, const LESS_COMPARE& _rCompareOp) + { + typename ::std::vector<ELEMENT>::const_iterator aExistentPos = ::std::lower_bound( + _rArray.begin(), + _rArray.end(), + _rNewElement, + _rCompareOp + ); + if ((aExistentPos != _rArray.end()) && (*aExistentPos == _rNewElement)) + { // we have a valid "lower or equal" element and it's really "equal" + nPos = aExistentPos - _rArray.begin(); + return true; + } + nPos = -1; + return false; + } + + +class OGroupComp +{ + css::uno::Reference< css::beans::XPropertySet> m_xComponent; + css::uno::Reference< css::awt::XControlModel> m_xControlModel; + sal_Int32 m_nPos; + sal_Int16 m_nTabIndex; + + friend class OGroupCompLess; + +public: + OGroupComp(const css::uno::Reference< css::beans::XPropertySet>& rxElement, sal_Int32 nInsertPos ); + OGroupComp(); + + bool operator==( const OGroupComp& rComp ) const; + + const css::uno::Reference< css::beans::XPropertySet>& GetComponent() const { return m_xComponent; } + const css::uno::Reference< css::awt::XControlModel>& GetControlModel() const { return m_xControlModel; } + + sal_Int32 GetPos() const { return m_nPos; } + sal_Int16 GetTabIndex() const { return m_nTabIndex; } +}; + + +class OGroupComp; +class OGroupCompAcc +{ + css::uno::Reference< css::beans::XPropertySet> m_xComponent; + + OGroupComp m_aGroupComp; + + friend class OGroupCompAccLess; + +public: + OGroupCompAcc(const css::uno::Reference< css::beans::XPropertySet>& rxElement, OGroupComp _aGroupComp ); + + bool operator==( const OGroupCompAcc& rCompAcc ) const; + + const OGroupComp& GetGroupComponent() const { return m_aGroupComp; } +}; + +class OGroup final +{ + std::vector<OGroupComp> m_aCompArray; + std::vector<OGroupCompAcc> m_aCompAccArray; + + OUString m_aGroupName; + sal_uInt16 m_nInsertPos; // The insertion position of the GroupComps is determined by the Group + + friend class OGroupLess; + +public: + explicit OGroup(OUString sGroupName); + + const OUString& GetGroupName() const { return m_aGroupName; } + css::uno::Sequence< css::uno::Reference< css::awt::XControlModel> > GetControlModels() const; + + void InsertComponent( const css::uno::Reference< css::beans::XPropertySet>& rxElement ); + void RemoveComponent( const css::uno::Reference< css::beans::XPropertySet>& rxElement ); + sal_uInt16 Count() const { return sal::static_int_cast< sal_uInt16 >(m_aCompArray.size()); } + const css::uno::Reference< css::beans::XPropertySet>& GetObject( sal_uInt16 nP ) const + { return m_aCompArray[nP].GetComponent(); } +}; + +typedef std::map<OUString, OGroup> OGroupArr; +typedef std::vector<OGroupArr::iterator> OActiveGroups; + + +class OGroupManager : public ::cppu::WeakImplHelper< css::beans::XPropertyChangeListener, css::container::XContainerListener> +{ + std::unique_ptr<OGroup> + m_pCompGroup; // Sort all Components by TabIndices + OGroupArr m_aGroupArr; // Sort all Components by group + OActiveGroups m_aActiveGroupMap; // This map contains all indices of all groups with more than 1 element + + css::uno::Reference< css::container::XContainer > + m_xContainer; + + // Helper functions + void InsertElement( const css::uno::Reference< css::beans::XPropertySet>& rxElement ); + void RemoveElement( const css::uno::Reference< css::beans::XPropertySet>& rxElement ); + void removeFromGroupMap(const OUString& _sGroupName,const css::uno::Reference< css::beans::XPropertySet>& _xSet); + +public: + explicit OGroupManager(const css::uno::Reference< css::container::XContainer >& _rxContainer); + virtual ~OGroupManager() override; + +// css::lang::XEventListener + virtual void SAL_CALL disposing(const css::lang::EventObject& _rSource) override; + +// css::beans::XPropertyChangeListener + virtual void SAL_CALL propertyChange(const css::beans::PropertyChangeEvent& evt) override; + +// css::container::XContainerListener + virtual void SAL_CALL elementInserted(const css::container::ContainerEvent& _rEvent) override; + virtual void SAL_CALL elementRemoved(const css::container::ContainerEvent& _rEvent) override; + virtual void SAL_CALL elementReplaced(const css::container::ContainerEvent& _rEvent) override; + +// Other functions + sal_Int32 getGroupCount() const; + void getGroup(sal_Int32 nGroup, css::uno::Sequence< css::uno::Reference< css::awt::XControlModel> >& _rGroup, OUString& Name); + void getGroupByName(const OUString& Name, css::uno::Sequence< css::uno::Reference< css::awt::XControlModel> >& _rGroup); + css::uno::Sequence< css::uno::Reference< css::awt::XControlModel> > getControlModels() const; + + static OUString GetGroupName( const css::uno::Reference< css::beans::XPropertySet>& xComponent ); +}; + + +} // namespace frm + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |