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/* -*- 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: */
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