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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
#if !defined(VCL_DLLIMPLEMENTATION) && !defined(TOOLKIT_DLLIMPLEMENTATION) && !defined(VCL_INTERNALS)
#error "don't use this in new code"
#endif
#include <vcl/dllapi.h>
#include <vcl/toolkit/treelistentries.hxx>
#include <tools/link.hxx>
#include <tools/contnr.hxx>
#include <memory>
enum class SvListAction
{
INSERTED = 1,
REMOVING = 2,
REMOVED = 3,
MOVING = 4,
MOVED = 5,
CLEARING = 6,
INSERTED_TREE = 7,
INVALIDATE_ENTRY = 8,
RESORTING = 9,
RESORTED = 10,
CLEARED = 11
};
class SvTreeListEntry;
class SvListView;
class SvViewDataEntry;
enum class SvSortMode { Ascending, Descending, None };
// For the return values of Sortlink:
// See International::Compare( pLeft, pRight )
// ( Compare(a,b) ==> b.Compare(a) ==> strcmp(a,b) )
struct SvSortData
{
const SvTreeListEntry* pLeft;
const SvTreeListEntry* pRight;
};
class VCL_DLLPUBLIC SvTreeList final
{
friend class SvListView;
SvListView& mrOwnerListView;
sal_uInt32 nEntryCount;
Link<SvTreeListEntry*, SvTreeListEntry*> aCloneLink;
Link<const SvSortData&, sal_Int32> aCompareLink;
SvSortMode eSortMode;
bool bAbsPositionsValid;
bool mbEnableInvalidate;
SvTreeListEntry* FirstVisible() const { return First(); }
SvTreeListEntry* NextVisible( const SvListView*,SvTreeListEntry* pEntry, sal_uInt16* pDepth=nullptr ) const;
SvTreeListEntry* PrevVisible( const SvListView*,SvTreeListEntry* pEntry ) const;
SvTreeListEntry* LastVisible( const SvListView* ) const;
SvTreeListEntry* NextVisible( const SvListView*,SvTreeListEntry* pEntry, sal_uInt16& rDelta ) const;
SvTreeListEntry* PrevVisible( const SvListView*,SvTreeListEntry* pEntry, sal_uInt16& rDelta ) const;
bool IsEntryVisible( const SvListView*,SvTreeListEntry* pEntry ) const;
SvTreeListEntry* GetEntryAtVisPos( const SvListView*, sal_uInt32 nVisPos ) const;
sal_uInt32 GetVisiblePos( const SvListView*,SvTreeListEntry const * pEntry ) const;
sal_uInt32 GetVisibleCount( SvListView* ) const;
sal_uInt32 GetVisibleChildCount( const SvListView*,SvTreeListEntry* pParent ) const;
SvTreeListEntry* FirstSelected( const SvListView*) const;
SvTreeListEntry* NextSelected( const SvListView*,SvTreeListEntry* pEntry ) const;
sal_uInt32 GetChildSelectionCount( const SvListView*,SvTreeListEntry* pParent ) const;
VCL_DLLPRIVATE void SetAbsolutePositions();
VCL_DLLPRIVATE void CloneChildren(
SvTreeListEntries& rDst, sal_uInt32& rCloneCount, SvTreeListEntries& rSrc, SvTreeListEntry& rNewParent) const;
/**
* Invalidate the cached position data to have them re-generated before
* the next access.
*/
VCL_DLLPRIVATE static void SetListPositions( SvTreeListEntries& rEntries );
// rPos is not changed for SortModeNone
VCL_DLLPRIVATE void GetInsertionPos(
SvTreeListEntry const * pEntry,
SvTreeListEntry* pParent,
sal_uInt32& rPos
);
VCL_DLLPRIVATE void ResortChildren( SvTreeListEntry* pParent );
SvTreeList(const SvTreeList&) = delete;
SvTreeList& operator= (const SvTreeList&) = delete;
std::unique_ptr<SvTreeListEntry> pRootItem;
public:
SvTreeList() = delete;
SvTreeList(SvListView&);
~SvTreeList();
void Broadcast(
SvListAction nActionId,
SvTreeListEntry* pEntry1=nullptr,
SvTreeListEntry* pEntry2=nullptr,
sal_uInt32 nPos=0
);
void EnableInvalidate( bool bEnable );
bool IsEnableInvalidate() const { return mbEnableInvalidate; }
// Notify all Listeners
void InvalidateEntry( SvTreeListEntry* );
sal_uInt32 GetEntryCount() const { return nEntryCount; }
SvTreeListEntry* First() const;
SvTreeListEntry* Next( SvTreeListEntry* pEntry, sal_uInt16* pDepth=nullptr ) const;
SvTreeListEntry* Prev( SvTreeListEntry* pEntry ) const;
SvTreeListEntry* Last() const;
SvTreeListEntry* FirstChild( SvTreeListEntry* pParent ) const;
sal_uInt32 Insert( SvTreeListEntry* pEntry,SvTreeListEntry* pPar,sal_uInt32 nPos = TREELIST_APPEND);
sal_uInt32 Insert( SvTreeListEntry* pEntry,sal_uInt32 nRootPos = TREELIST_APPEND )
{ return Insert(pEntry, pRootItem.get(), nRootPos ); }
void InsertTree( SvTreeListEntry* pTree, SvTreeListEntry* pTargetParent, sal_uInt32 nListPos );
// Entries need to be in the same Model!
void Move( SvTreeListEntry* pSource, SvTreeListEntry* pTarget );
// Creates ChildList if needed
sal_uInt32 Move( SvTreeListEntry* pSource, SvTreeListEntry* pTargetParent, sal_uInt32 nListPos);
sal_uInt32 Copy( SvTreeListEntry* pSource, SvTreeListEntry* pTargetParent, sal_uInt32 nListPos);
bool Remove( const SvTreeListEntry* pEntry );
void Clear();
bool IsChild(const SvTreeListEntry* pParent, const SvTreeListEntry* pChild) const;
SvTreeListEntry* GetEntry( SvTreeListEntry* pParent, sal_uInt32 nPos ) const;
SvTreeListEntry* GetEntry( sal_uInt32 nRootPos ) const;
SvTreeListEntry* GetEntryAtAbsPos( sal_uInt32 nAbsPos ) const;
const SvTreeListEntry* GetParent( const SvTreeListEntry* pEntry ) const;
SvTreeListEntry* GetParent( SvTreeListEntry* pEntry );
SvTreeListEntry* GetRootLevelParent( SvTreeListEntry* pEntry ) const;
const SvTreeListEntries& GetChildList( SvTreeListEntry* pParent ) const;
SvTreeListEntries& GetChildList( SvTreeListEntry* pParent );
sal_uInt32 GetAbsPos( const SvTreeListEntry* pEntry ) const;
static sal_uInt32 GetRelPos( const SvTreeListEntry* pChild );
sal_uInt32 GetChildCount( const SvTreeListEntry* pParent ) const;
sal_uInt16 GetDepth( const SvTreeListEntry* pEntry ) const;
bool IsAtRootDepth( const SvTreeListEntry* pEntry ) const;
// The Model calls the Clone Link to clone Entries.
// Thus we do not need to derive from the Model if we derive from SvTreeListEntry.
// The Handler needs to return a SvTreeListEntry*
SvTreeListEntry* Clone( SvTreeListEntry* pEntry, sal_uInt32& nCloneCount ) const;
void SetCloneLink( const Link<SvTreeListEntry*,SvTreeListEntry*>& rLink )
{ aCloneLink=rLink; }
const Link<SvTreeListEntry*,SvTreeListEntry*>& GetCloneLink() const
{ return aCloneLink; }
SvTreeListEntry* CloneEntry( SvTreeListEntry* pSource ) const; // Calls the Clone Link
void SetSortMode( SvSortMode eMode ) { eSortMode = eMode; }
SvSortMode GetSortMode() const { return eSortMode; }
sal_Int32 Compare(const SvTreeListEntry* pLeft, const SvTreeListEntry* pRight) const;
void SetCompareHdl( const Link<const SvSortData&, sal_Int32>& rLink ) { aCompareLink = rLink; }
void Resort();
};
class VCL_DLLPUBLIC SvListView
{
friend class SvTreeList;
struct SAL_DLLPRIVATE Impl;
std::unique_ptr<Impl> m_pImpl;
protected:
std::unique_ptr<SvTreeList> pModel;
void ExpandListEntry( SvTreeListEntry* pParent );
void CollapseListEntry( SvTreeListEntry* pParent );
bool SelectListEntry( SvTreeListEntry* pEntry, bool bSelect );
public:
SvListView(); // Sets the Model to 0
void dispose();
virtual ~SvListView();
void Clear();
virtual void ModelNotification(
SvListAction nActionId,
SvTreeListEntry* pEntry1,
SvTreeListEntry* pEntry2,
sal_uInt32 nPos
);
sal_uInt32 GetVisibleCount() const
{ return pModel->GetVisibleCount( const_cast<SvListView*>(this) ); }
SvTreeListEntry* FirstVisible() const
{ return pModel->FirstVisible(); }
SvTreeListEntry* NextVisible( SvTreeListEntry* pEntry ) const
{ return pModel->NextVisible(this,pEntry); }
SvTreeListEntry* PrevVisible( SvTreeListEntry* pEntry ) const
{ return pModel->PrevVisible(this,pEntry); }
SvTreeListEntry* LastVisible() const
{ return pModel->LastVisible(this); }
SvTreeListEntry* NextVisible( SvTreeListEntry* pEntry, sal_uInt16& rDelta ) const
{ return pModel->NextVisible(this,pEntry,rDelta); }
SvTreeListEntry* PrevVisible( SvTreeListEntry* pEntry, sal_uInt16& rDelta ) const
{ return pModel->PrevVisible(this,pEntry,rDelta); }
sal_uInt32 GetSelectionCount() const;
SvTreeListEntry* FirstSelected() const
{ return pModel->FirstSelected(this); }
SvTreeListEntry* NextSelected( SvTreeListEntry* pEntry ) const
{ return pModel->NextSelected(this,pEntry); }
SvTreeListEntry* GetEntryAtAbsPos( sal_uInt32 nAbsPos ) const
{ return pModel->GetEntryAtAbsPos(nAbsPos); }
SvTreeListEntry* GetEntryAtVisPos( sal_uInt32 nVisPos ) const
{ return pModel->GetEntryAtVisPos(this,nVisPos); }
sal_uInt32 GetAbsPos( SvTreeListEntry const * pEntry ) const
{ return pModel->GetAbsPos(pEntry); }
sal_uInt32 GetVisiblePos( SvTreeListEntry const * pEntry ) const
{ return pModel->GetVisiblePos(this,pEntry); }
sal_uInt32 GetVisibleChildCount(SvTreeListEntry* pParent ) const
{ return pModel->GetVisibleChildCount(this,pParent); }
bool IsEntryVisible( SvTreeListEntry* pEntry ) const
{ return pModel->IsEntryVisible(this,pEntry); }
bool IsExpanded( SvTreeListEntry* pEntry ) const;
bool IsAllExpanded( SvTreeListEntry* pEntry) const;
bool IsSelected(const SvTreeListEntry* pEntry) const;
void SetEntryFocus( SvTreeListEntry* pEntry, bool bFocus );
const SvViewDataEntry* GetViewData( const SvTreeListEntry* pEntry ) const;
SvViewDataEntry* GetViewData( SvTreeListEntry* pEntry );
bool HasViewData() const;
virtual void InitViewData( SvViewDataEntry*, SvTreeListEntry* pEntry );
virtual void ModelHasCleared();
virtual void ModelHasInserted( SvTreeListEntry* pEntry );
virtual void ModelHasInsertedTree( SvTreeListEntry* pEntry );
virtual void ModelIsMoving( SvTreeListEntry* pSource );
virtual void ModelHasMoved( SvTreeListEntry* pSource );
virtual void ModelIsRemoving( SvTreeListEntry* pEntry );
virtual void ModelHasRemoved( SvTreeListEntry* pEntry );
virtual void ModelHasEntryInvalidated( SvTreeListEntry* pEntry );
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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