194 lines
7.6 KiB
C++
194 lines
7.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <com/sun/star/awt/XControlModel.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/beans/XPropertyChangeListener.hpp>
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#include <com/sun/star/container/XContainerListener.hpp>
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#include <com/sun/star/container/XContainer.hpp>
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#include <cppuhelper/implbase.hxx>
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#include <map>
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#include <memory>
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#include <vector>
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/*
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* The GroupManager listens at the StarForm for FormComponent insertion and removal as well as
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* its properties "Name" and "TabIndex" and updates its Group using this information.
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*
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* The GroupManager manages a Group in which all Controls are sorted by TabIndex.
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* It also manages an array of Groups, in which each FormComponent is assigned a
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* Group according to its name.
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* Each Group is activated using a Map, if they contain more than one element.
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*
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* The Groups manage the FormComponents internally using two arrays.
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* In the GroupCompArray the Components are sorted by TabIndex and insertion position.
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* Because this array is accessed via the FormComponent, we also have the GroupCompAccessArray
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* in which the FormComponents are sorted by their storage address.
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* Every element of the GroupCompArray has a pointer to the GroupCompArray.
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*/
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namespace frm
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{
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template <class ELEMENT, class LESS_COMPARE>
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sal_Int32 insert_sorted(::std::vector<ELEMENT>& _rArray, const ELEMENT& _rNewElement, const LESS_COMPARE& _rCompareOp)
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{
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typename ::std::vector<ELEMENT>::iterator aInsertPos = ::std::lower_bound(
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_rArray.begin(),
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_rArray.end(),
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_rNewElement,
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_rCompareOp
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);
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aInsertPos = _rArray.insert(aInsertPos, _rNewElement);
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return aInsertPos - _rArray.begin();
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}
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template <class ELEMENT, class LESS_COMPARE>
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bool seek_entry(const ::std::vector<ELEMENT>& _rArray, const ELEMENT& _rNewElement, sal_Int32& nPos, const LESS_COMPARE& _rCompareOp)
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{
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typename ::std::vector<ELEMENT>::const_iterator aExistentPos = ::std::lower_bound(
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_rArray.begin(),
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_rArray.end(),
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_rNewElement,
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_rCompareOp
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);
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if ((aExistentPos != _rArray.end()) && (*aExistentPos == _rNewElement))
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{ // we have a valid "lower or equal" element and it's really "equal"
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nPos = aExistentPos - _rArray.begin();
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return true;
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}
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nPos = -1;
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return false;
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}
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class OGroupComp
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{
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css::uno::Reference< css::beans::XPropertySet> m_xComponent;
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css::uno::Reference< css::awt::XControlModel> m_xControlModel;
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sal_Int32 m_nPos;
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sal_Int16 m_nTabIndex;
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friend class OGroupCompLess;
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public:
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OGroupComp(const css::uno::Reference< css::beans::XPropertySet>& rxElement, sal_Int32 nInsertPos );
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OGroupComp();
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bool operator==( const OGroupComp& rComp ) const;
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const css::uno::Reference< css::beans::XPropertySet>& GetComponent() const { return m_xComponent; }
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const css::uno::Reference< css::awt::XControlModel>& GetControlModel() const { return m_xControlModel; }
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sal_Int32 GetPos() const { return m_nPos; }
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sal_Int16 GetTabIndex() const { return m_nTabIndex; }
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};
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class OGroupComp;
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class OGroupCompAcc
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{
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css::uno::Reference< css::beans::XPropertySet> m_xComponent;
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OGroupComp m_aGroupComp;
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friend class OGroupCompAccLess;
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public:
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OGroupCompAcc(const css::uno::Reference< css::beans::XPropertySet>& rxElement, OGroupComp _aGroupComp );
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bool operator==( const OGroupCompAcc& rCompAcc ) const;
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const OGroupComp& GetGroupComponent() const { return m_aGroupComp; }
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};
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class OGroup final
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{
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std::vector<OGroupComp> m_aCompArray;
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std::vector<OGroupCompAcc> m_aCompAccArray;
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OUString m_aGroupName;
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sal_uInt16 m_nInsertPos; // The insertion position of the GroupComps is determined by the Group
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friend class OGroupLess;
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public:
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explicit OGroup(OUString sGroupName);
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const OUString& GetGroupName() const { return m_aGroupName; }
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css::uno::Sequence< css::uno::Reference< css::awt::XControlModel> > GetControlModels() const;
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void InsertComponent( const css::uno::Reference< css::beans::XPropertySet>& rxElement );
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void RemoveComponent( const css::uno::Reference< css::beans::XPropertySet>& rxElement );
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sal_uInt16 Count() const { return sal::static_int_cast< sal_uInt16 >(m_aCompArray.size()); }
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const css::uno::Reference< css::beans::XPropertySet>& GetObject( sal_uInt16 nP ) const
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{ return m_aCompArray[nP].GetComponent(); }
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};
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typedef std::map<OUString, OGroup> OGroupArr;
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typedef std::vector<OGroupArr::iterator> OActiveGroups;
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class OGroupManager : public ::cppu::WeakImplHelper< css::beans::XPropertyChangeListener, css::container::XContainerListener>
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{
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std::unique_ptr<OGroup>
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m_pCompGroup; // Sort all Components by TabIndices
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OGroupArr m_aGroupArr; // Sort all Components by group
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OActiveGroups m_aActiveGroupMap; // This map contains all indices of all groups with more than 1 element
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css::uno::Reference< css::container::XContainer >
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m_xContainer;
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// Helper functions
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void InsertElement( const css::uno::Reference< css::beans::XPropertySet>& rxElement );
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void RemoveElement( const css::uno::Reference< css::beans::XPropertySet>& rxElement );
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void removeFromGroupMap(const OUString& _sGroupName,const css::uno::Reference< css::beans::XPropertySet>& _xSet);
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public:
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explicit OGroupManager(const css::uno::Reference< css::container::XContainer >& _rxContainer);
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virtual ~OGroupManager() override;
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// css::lang::XEventListener
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virtual void SAL_CALL disposing(const css::lang::EventObject& _rSource) override;
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// css::beans::XPropertyChangeListener
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virtual void SAL_CALL propertyChange(const css::beans::PropertyChangeEvent& evt) override;
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// css::container::XContainerListener
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virtual void SAL_CALL elementInserted(const css::container::ContainerEvent& _rEvent) override;
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virtual void SAL_CALL elementRemoved(const css::container::ContainerEvent& _rEvent) override;
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virtual void SAL_CALL elementReplaced(const css::container::ContainerEvent& _rEvent) override;
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// Other functions
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sal_Int32 getGroupCount() const;
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void getGroup(sal_Int32 nGroup, css::uno::Sequence< css::uno::Reference< css::awt::XControlModel> >& _rGroup, OUString& Name);
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void getGroupByName(const OUString& Name, css::uno::Sequence< css::uno::Reference< css::awt::XControlModel> >& _rGroup);
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css::uno::Sequence< css::uno::Reference< css::awt::XControlModel> > getControlModels() const;
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static OUString GetGroupName( const css::uno::Reference< css::beans::XPropertySet>& xComponent );
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};
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} // namespace frm
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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