/* -*- 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 <memory>
#include <com/sun/star/graphic/GraphicProvider.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/view/SelectionType.hpp>
#include <o3tl/any.hxx>
#include <toolkit/helper/property.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <com/sun/star/awt/tree/XMutableTreeNode.hpp>
#include "treecontrolpeer.hxx"
#include <comphelper/processfactory.hxx>
#include <cppuhelper/implbase.hxx>
#include <rtl/ref.hxx>
#include <vcl/graph.hxx>
#include <vcl/svapp.hxx>
#include <svtools/treelistbox.hxx>
#include <svtools/treelistentry.hxx>
#include <svtools/viewdataentry.hxx>
#include <svtools/svlbitm.hxx>
#include <map>
#include <o3tl/make_unique.hxx>
using namespace ::com::sun::star;
using namespace css::uno;
using namespace css::lang;
using namespace css::awt::tree;
using namespace css::beans;
using namespace css::view;
using namespace css::container;
using namespace css::util;
using namespace css::graphic;
struct LockGuard
{
public:
explicit LockGuard( sal_Int32& rLock )
: mrLock( rLock )
{
rLock++;
}
~LockGuard()
{
mrLock--;
}
sal_Int32& mrLock;
};
class ImplContextGraphicItem : public SvLBoxContextBmp
{
public:
ImplContextGraphicItem( Image const & rI1, Image const & rI2, bool bExpanded)
: SvLBoxContextBmp(rI1, rI2, bExpanded) {}
OUString msExpandedGraphicURL;
OUString msCollapsedGraphicURL;
};
class UnoTreeListBoxImpl : public SvTreeListBox
{
public:
UnoTreeListBoxImpl( TreeControlPeer* pPeer, vcl::Window* pParent, WinBits nWinStyle );
virtual ~UnoTreeListBoxImpl() override;
virtual void dispose() override;
void insert( SvTreeListEntry* pEntry, SvTreeListEntry* pParent, sal_uLong nPos );
virtual void RequestingChildren( SvTreeListEntry* pParent ) override;
virtual bool EditingEntry( SvTreeListEntry* pEntry, Selection& ) override;
virtual bool EditedEntry( SvTreeListEntry* pEntry, const OUString& rNewText ) override;
DECL_LINK(OnSelectionChangeHdl, SvTreeListBox*, void);
DECL_LINK(OnExpandingHdl, SvTreeListBox*, bool);
DECL_LINK(OnExpandedHdl, SvTreeListBox*, void);
private:
rtl::Reference< TreeControlPeer > mxPeer;
};
class UnoTreeListItem : public SvLBoxString
{
public:
UnoTreeListItem();
void InitViewData( SvTreeListBox*,SvTreeListEntry*,SvViewDataItem * = nullptr ) override;
void SetImage( const Image& rImage );
const OUString& GetGraphicURL() const { return maGraphicURL;}
void SetGraphicURL( const OUString& rGraphicURL );
virtual void Paint(const Point& rPos, SvTreeListBox& rOutDev, vcl::RenderContext& rRenderContext,
const SvViewDataEntry* pView, const SvTreeListEntry& rEntry) override;
std::unique_ptr<SvLBoxItem> Clone( SvLBoxItem const * pSource ) const override;
private:
OUString maGraphicURL;
Image maImage;
};
class UnoTreeListEntry : public SvTreeListEntry
{
public:
UnoTreeListEntry( const Reference< XTreeNode >& xNode, TreeControlPeer* pPeer );
virtual ~UnoTreeListEntry() override;
Reference< XTreeNode > mxNode;
TreeControlPeer* mpPeer;
};
TreeControlPeer::TreeControlPeer()
: maSelectionListeners( *this )
, maTreeExpansionListeners( *this )
, maTreeEditListeners( *this )
, mbIsRootDisplayed(false)
, mpTreeImpl( nullptr )
, mnEditLock( 0 )
{
}
TreeControlPeer::~TreeControlPeer()
{
if( mpTreeImpl )
mpTreeImpl->Clear();
}
void TreeControlPeer::addEntry( UnoTreeListEntry* pEntry )
{
if( pEntry && pEntry->mxNode.is() )
{
if( !mpTreeNodeMap )
{
mpTreeNodeMap.reset( new TreeNodeMap );
}
(*mpTreeNodeMap)[ pEntry->mxNode ] = pEntry;
}
}
void TreeControlPeer::removeEntry( UnoTreeListEntry const * pEntry )
{
if( mpTreeNodeMap && pEntry && pEntry->mxNode.is() )
{
TreeNodeMap::iterator aIter( mpTreeNodeMap->find( pEntry->mxNode ) );
if( aIter != mpTreeNodeMap->end() )
{
mpTreeNodeMap->erase( aIter );
}
}
}
UnoTreeListEntry* TreeControlPeer::getEntry( const Reference< XTreeNode >& xNode, bool bThrow /* = true */ )
{
if( mpTreeNodeMap )
{
TreeNodeMap::iterator aIter( mpTreeNodeMap->find( xNode ) );
if( aIter != mpTreeNodeMap->end() )
return (*aIter).second;
}
if( bThrow )
throw IllegalArgumentException();
return nullptr;
}
vcl::Window* TreeControlPeer::createVclControl( vcl::Window* pParent, sal_Int64 nWinStyle )
{
mpTreeImpl = VclPtr<UnoTreeListBoxImpl>::Create( this, pParent, nWinStyle );
return mpTreeImpl;
}
/** called from the UnoTreeListBoxImpl when it gets deleted */
void TreeControlPeer::disposeControl()
{
mpTreeNodeMap.reset();
mpTreeImpl = nullptr;
}
UnoTreeListEntry* TreeControlPeer::createEntry( const Reference< XTreeNode >& xNode, UnoTreeListEntry* pParent, sal_uLong nPos /* = TREELIST_APPEND */ )
{
UnoTreeListEntry* pEntry = nullptr;
if( mpTreeImpl )
{
Image aImage;
pEntry = new UnoTreeListEntry( xNode, this );
pEntry->AddItem(o3tl::make_unique<ImplContextGraphicItem>(aImage, aImage, true));
std::unique_ptr<UnoTreeListItem> pUnoItem(new UnoTreeListItem);
if( !xNode->getNodeGraphicURL().isEmpty() )
{
pUnoItem->SetGraphicURL( xNode->getNodeGraphicURL() );
Image aNodeImage;
loadImage( xNode->getNodeGraphicURL(), aNodeImage );
pUnoItem->SetImage( aNodeImage );
mpTreeImpl->AdjustEntryHeight( aNodeImage );
}
pEntry->AddItem(std::move(pUnoItem));
mpTreeImpl->insert( pEntry, pParent, nPos );
if( !msDefaultExpandedGraphicURL.isEmpty() )
mpTreeImpl->SetExpandedEntryBmp( pEntry, maDefaultExpandedImage );
if( !msDefaultCollapsedGraphicURL.isEmpty() )
mpTreeImpl->SetCollapsedEntryBmp( pEntry, maDefaultCollapsedImage );
updateEntry( pEntry );
}
return pEntry;
}
void TreeControlPeer::updateEntry( UnoTreeListEntry* pEntry )
{
bool bChanged = false;
if( !(pEntry && pEntry->mxNode.is() && mpTreeImpl) )
return;
const OUString aValue( getEntryString( pEntry->mxNode->getDisplayValue() ) );
UnoTreeListItem* pUnoItem = dynamic_cast< UnoTreeListItem* >( &pEntry->GetItem( 1 ) );
if( pUnoItem )
{
if( aValue != pUnoItem->GetText() )
{
pUnoItem->SetText( aValue );
bChanged = true;
}
if( pUnoItem->GetGraphicURL() != pEntry->mxNode->getNodeGraphicURL() )
{
Image aImage;
if( loadImage( pEntry->mxNode->getNodeGraphicURL(), aImage ) )
{
pUnoItem->SetGraphicURL( pEntry->mxNode->getNodeGraphicURL() );
pUnoItem->SetImage( aImage );
mpTreeImpl->AdjustEntryHeight( aImage );
bChanged = true;
}
}
}
if( bool(pEntry->mxNode->hasChildrenOnDemand()) != pEntry->HasChildrenOnDemand() )
{
pEntry->EnableChildrenOnDemand( pEntry->mxNode->hasChildrenOnDemand() );
bChanged = true;
}
ImplContextGraphicItem* pContextGraphicItem = dynamic_cast< ImplContextGraphicItem* >( &pEntry->GetItem( 0 ) );
if( pContextGraphicItem )
{
if( pContextGraphicItem->msExpandedGraphicURL != pEntry->mxNode->getExpandedGraphicURL() )
{
Image aImage;
if( loadImage( pEntry->mxNode->getExpandedGraphicURL(), aImage ) )
{
pContextGraphicItem->msExpandedGraphicURL = pEntry->mxNode->getExpandedGraphicURL();
mpTreeImpl->SetExpandedEntryBmp( pEntry, aImage );
bChanged = true;
}
}
if( pContextGraphicItem->msCollapsedGraphicURL != pEntry->mxNode->getCollapsedGraphicURL() )
{
Image aImage;
if( loadImage( pEntry->mxNode->getCollapsedGraphicURL(), aImage ) )
{
pContextGraphicItem->msCollapsedGraphicURL = pEntry->mxNode->getCollapsedGraphicURL();
mpTreeImpl->SetCollapsedEntryBmp( pEntry, aImage );
bChanged = true;
}
}
}
if( bChanged )
mpTreeImpl->GetModel()->InvalidateEntry( pEntry );
}
void TreeControlPeer::onSelectionChanged()
{
Reference< XInterface > xSource( static_cast< ::cppu::OWeakObject* >( this ) );
EventObject aEvent( xSource );
maSelectionListeners.selectionChanged( aEvent );
}
void TreeControlPeer::onRequestChildNodes( const Reference< XTreeNode >& xNode )
{
try
{
Reference< XInterface > xSource( static_cast< ::cppu::OWeakObject* >( this ) );
TreeExpansionEvent aEvent( xSource, xNode );
maTreeExpansionListeners.requestChildNodes( aEvent );
}
catch( Exception& )
{
}
}
bool TreeControlPeer::onExpanding( const Reference< XTreeNode >& xNode, bool bExpanding )
{
try
{
Reference< XInterface > xSource( static_cast< ::cppu::OWeakObject* >( this ) );
TreeExpansionEvent aEvent( xSource, xNode );
if( bExpanding )
{
maTreeExpansionListeners.treeExpanding( aEvent );
}
else
{
maTreeExpansionListeners.treeCollapsing( aEvent );
}
}
catch( Exception& )
{
return false;
}
return true;
}
void TreeControlPeer::onExpanded( const Reference< XTreeNode >& xNode, bool bExpanding )
{
try
{
Reference< XInterface > xSource( static_cast< ::cppu::OWeakObject* >( this ) );
TreeExpansionEvent aEvent( xSource, xNode );
if( bExpanding )
{
maTreeExpansionListeners.treeExpanded( aEvent );
}
else
{
maTreeExpansionListeners.treeCollapsed( aEvent );
}
}
catch( Exception& )
{
}
}
void TreeControlPeer::fillTree( UnoTreeListBoxImpl& rTree, const Reference< XTreeDataModel >& xDataModel )
{
rTree.Clear();
if( !xDataModel.is() )
return;
Reference< XTreeNode > xRootNode( xDataModel->getRoot() );
if( !xRootNode.is() )
return;
if( mbIsRootDisplayed )
{
addNode( rTree, xRootNode, nullptr );
}
else
{
const sal_Int32 nChildCount = xRootNode->getChildCount();
for( sal_Int32 nChild = 0; nChild < nChildCount; nChild++ )
addNode( rTree, xRootNode->getChildAt( nChild ), nullptr );
}
}
void TreeControlPeer::addNode( UnoTreeListBoxImpl& rTree, const Reference< XTreeNode >& xNode, UnoTreeListEntry* pParentEntry )
{
if( xNode.is() )
{
UnoTreeListEntry* pEntry = createEntry( xNode, pParentEntry, TREELIST_APPEND );
const sal_Int32 nChildCount = xNode->getChildCount();
for( sal_Int32 nChild = 0; nChild < nChildCount; nChild++ )
addNode( rTree, xNode->getChildAt( nChild ), pEntry );
}
}
UnoTreeListBoxImpl& TreeControlPeer::getTreeListBoxOrThrow() const
{
if( !mpTreeImpl )
throw DisposedException();
return *mpTreeImpl;
}
void TreeControlPeer::ChangeNodesSelection( const Any& rSelection, bool bSelect, bool bSetSelection )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
Reference< XTreeNode > xTempNode;
Sequence<Reference<XTreeNode>> pNodes;
sal_Int32 nCount = 0;
if( rSelection.hasValue() )
{
switch( rSelection.getValueTypeClass() )
{
case TypeClass_INTERFACE:
{
rSelection >>= xTempNode;
if( xTempNode.is() )
{
nCount = 1;
pNodes = {xTempNode};
}
break;
}
case TypeClass_SEQUENCE:
{
if( auto rSeq = o3tl::tryAccess<Sequence<Reference<XTreeNode>>>(
rSelection) )
{
nCount = rSeq->getLength();
pNodes = *rSeq;
}
break;
}
default:
break;
}
if( nCount == 0 )
throw IllegalArgumentException();
}
if( bSetSelection )
rTree.SelectAll( false );
for( sal_Int32 i = 0; i != nCount; ++i )
{
UnoTreeListEntry* pEntry = getEntry( pNodes[i] );
rTree.Select( pEntry, bSelect );
}
}
// css::view::XSelectionSupplier
sal_Bool SAL_CALL TreeControlPeer::select( const Any& rSelection )
{
SolarMutexGuard aGuard;
ChangeNodesSelection( rSelection, true, true );
return true;
}
Any SAL_CALL TreeControlPeer::getSelection()
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
Any aRet;
sal_uLong nSelectionCount = rTree.GetSelectionCount();
if( nSelectionCount == 1 )
{
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.FirstSelected() );
if( pEntry && pEntry->mxNode.is() )
aRet <<= pEntry->mxNode;
}
else if( nSelectionCount > 1 )
{
Sequence< Reference< XTreeNode > > aSelection( nSelectionCount );
Reference< XTreeNode >* pNodes = aSelection.getArray();
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.FirstSelected() );
while( pEntry && nSelectionCount )
{
*pNodes++ = pEntry->mxNode;
pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.NextSelected( pEntry ) );
--nSelectionCount;
}
OSL_ASSERT( (pEntry == nullptr) && (nSelectionCount == 0) );
aRet <<= aSelection;
}
return aRet;
}
void SAL_CALL TreeControlPeer::addSelectionChangeListener( const Reference< XSelectionChangeListener >& xListener )
{
maSelectionListeners.addInterface( xListener );
}
void SAL_CALL TreeControlPeer::removeSelectionChangeListener( const Reference< XSelectionChangeListener >& xListener )
{
maSelectionListeners.addInterface( xListener );
}
// css::view::XMultiSelectionSupplier
sal_Bool SAL_CALL TreeControlPeer::addSelection( const Any& rSelection )
{
ChangeNodesSelection( rSelection, true, false );
return true;
}
void SAL_CALL TreeControlPeer::removeSelection( const Any& rSelection )
{
ChangeNodesSelection( rSelection, false, false );
}
void SAL_CALL TreeControlPeer::clearSelection()
{
SolarMutexGuard aGuard;
getTreeListBoxOrThrow().SelectAll( false );
}
sal_Int32 SAL_CALL TreeControlPeer::getSelectionCount()
{
SolarMutexGuard aGuard;
return getTreeListBoxOrThrow().GetSelectionCount();
}
class TreeSelectionEnumeration : public ::cppu::WeakImplHelper< XEnumeration >
{
public:
explicit TreeSelectionEnumeration( std::list< Any >& rSelection );
virtual sal_Bool SAL_CALL hasMoreElements() override;
virtual Any SAL_CALL nextElement() override;
std::list< Any > maSelection;
std::list< Any >::iterator maIter;
};
TreeSelectionEnumeration::TreeSelectionEnumeration( std::list< Any >& rSelection )
{
maSelection.swap( rSelection );
maIter = maSelection.begin();
}
sal_Bool SAL_CALL TreeSelectionEnumeration::hasMoreElements()
{
return maIter != maSelection.end();
}
Any SAL_CALL TreeSelectionEnumeration::nextElement()
{
if( maIter == maSelection.end() )
throw NoSuchElementException();
return (*maIter++);
}
Reference< XEnumeration > SAL_CALL TreeControlPeer::createSelectionEnumeration()
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
sal_uInt32 nSelectionCount = rTree.GetSelectionCount();
std::list< Any > aSelection( nSelectionCount );
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.FirstSelected() );
while( pEntry && nSelectionCount )
{
aSelection.emplace_back( pEntry->mxNode );
pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.NextSelected( pEntry ) );
--nSelectionCount;
}
OSL_ASSERT( (pEntry == nullptr) && (nSelectionCount == 0) );
return Reference< XEnumeration >( new TreeSelectionEnumeration( aSelection ) );
}
Reference< XEnumeration > SAL_CALL TreeControlPeer::createReverseSelectionEnumeration()
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
sal_uInt32 nSelectionCount = rTree.GetSelectionCount();
std::list< Any > aSelection;
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.FirstSelected() );
while( pEntry && nSelectionCount )
{
aSelection.push_front( Any( pEntry->mxNode ) );
pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.NextSelected( pEntry ) );
--nSelectionCount;
}
OSL_ASSERT( (pEntry == nullptr) && (nSelectionCount == 0) );
return Reference< XEnumeration >( new TreeSelectionEnumeration( aSelection ) );
}
// css::awt::XTreeControl
OUString SAL_CALL TreeControlPeer::getDefaultExpandedGraphicURL()
{
SolarMutexGuard aGuard;
return msDefaultExpandedGraphicURL;
}
void SAL_CALL TreeControlPeer::setDefaultExpandedGraphicURL( const OUString& sDefaultExpandedGraphicURL )
{
SolarMutexGuard aGuard;
if( msDefaultExpandedGraphicURL == sDefaultExpandedGraphicURL )
return;
if( !sDefaultExpandedGraphicURL.isEmpty() )
loadImage( sDefaultExpandedGraphicURL, maDefaultExpandedImage );
else
maDefaultExpandedImage = Image();
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
SvTreeListEntry* pEntry = rTree.First();
while( pEntry )
{
ImplContextGraphicItem* pContextGraphicItem = dynamic_cast< ImplContextGraphicItem* >( &pEntry->GetItem( 0 ) );
if( pContextGraphicItem )
{
if( pContextGraphicItem->msExpandedGraphicURL.isEmpty() )
rTree.SetExpandedEntryBmp( pEntry, maDefaultExpandedImage );
}
pEntry = rTree.Next( pEntry );
}
msDefaultExpandedGraphicURL = sDefaultExpandedGraphicURL;
}
OUString SAL_CALL TreeControlPeer::getDefaultCollapsedGraphicURL()
{
SolarMutexGuard aGuard;
return msDefaultCollapsedGraphicURL;
}
void SAL_CALL TreeControlPeer::setDefaultCollapsedGraphicURL( const OUString& sDefaultCollapsedGraphicURL )
{
SolarMutexGuard aGuard;
if( msDefaultCollapsedGraphicURL == sDefaultCollapsedGraphicURL )
return;
if( !sDefaultCollapsedGraphicURL.isEmpty() )
loadImage( sDefaultCollapsedGraphicURL, maDefaultCollapsedImage );
else
maDefaultCollapsedImage = Image();
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
SvTreeListEntry* pEntry = rTree.First();
while( pEntry )
{
ImplContextGraphicItem* pContextGraphicItem = dynamic_cast< ImplContextGraphicItem* >( &pEntry->GetItem( 0 ) );
if( pContextGraphicItem )
{
if( pContextGraphicItem->msCollapsedGraphicURL.isEmpty() )
rTree.SetCollapsedEntryBmp( pEntry, maDefaultCollapsedImage );
}
pEntry = rTree.Next( pEntry );
}
msDefaultCollapsedGraphicURL = sDefaultCollapsedGraphicURL;
}
sal_Bool SAL_CALL TreeControlPeer::isNodeExpanded( const Reference< XTreeNode >& xNode )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
UnoTreeListEntry* pEntry = getEntry( xNode );
return pEntry && rTree.IsExpanded( pEntry );
}
sal_Bool SAL_CALL TreeControlPeer::isNodeCollapsed( const Reference< XTreeNode >& xNode )
{
SolarMutexGuard aGuard;
return !isNodeExpanded( xNode );
}
void SAL_CALL TreeControlPeer::makeNodeVisible( const Reference< XTreeNode >& xNode )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
UnoTreeListEntry* pEntry = getEntry( xNode );
if( pEntry )
rTree.MakeVisible( pEntry );
}
sal_Bool SAL_CALL TreeControlPeer::isNodeVisible( const Reference< XTreeNode >& xNode )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
UnoTreeListEntry* pEntry = getEntry( xNode );
return pEntry && rTree.IsEntryVisible( pEntry );
}
void SAL_CALL TreeControlPeer::expandNode( const Reference< XTreeNode >& xNode )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
UnoTreeListEntry* pEntry = getEntry( xNode );
if( pEntry )
rTree.Expand( pEntry );
}
void SAL_CALL TreeControlPeer::collapseNode( const Reference< XTreeNode >& xNode )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
UnoTreeListEntry* pEntry = getEntry( xNode );
if( pEntry )
rTree.Collapse( pEntry );
}
void SAL_CALL TreeControlPeer::addTreeExpansionListener( const Reference< XTreeExpansionListener >& xListener )
{
maTreeExpansionListeners.addInterface( xListener );
}
void SAL_CALL TreeControlPeer::removeTreeExpansionListener( const Reference< XTreeExpansionListener >& xListener )
{
maTreeExpansionListeners.removeInterface( xListener );
}
Reference< XTreeNode > SAL_CALL TreeControlPeer::getNodeForLocation( sal_Int32 x, sal_Int32 y )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
Reference< XTreeNode > xNode;
const Point aPos( x, y );
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.GetEntry( aPos, true ) );
if( pEntry )
xNode = pEntry->mxNode;
return xNode;
}
Reference< XTreeNode > SAL_CALL TreeControlPeer::getClosestNodeForLocation( sal_Int32 x, sal_Int32 y )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
Reference< XTreeNode > xNode;
const Point aPos( x, y );
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( rTree.GetEntry( aPos, true ) );
if( pEntry )
xNode = pEntry->mxNode;
return xNode;
}
awt::Rectangle SAL_CALL TreeControlPeer::getNodeRect( const Reference< XTreeNode >& i_Node )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
UnoTreeListEntry* pEntry = getEntry( i_Node );
::tools::Rectangle aEntryRect( rTree.GetFocusRect( pEntry, rTree.GetEntryPosition( pEntry ).Y() ) );
return VCLUnoHelper::ConvertToAWTRect( aEntryRect );
}
sal_Bool SAL_CALL TreeControlPeer::isEditing( )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
return rTree.IsEditingActive();
}
sal_Bool SAL_CALL TreeControlPeer::stopEditing()
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
if( rTree.IsEditingActive() )
{
rTree.EndEditing();
return true;
}
else
{
return false;
}
}
void SAL_CALL TreeControlPeer::cancelEditing( )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
rTree.EndEditing();
}
void SAL_CALL TreeControlPeer::startEditingAtNode( const Reference< XTreeNode >& xNode )
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
UnoTreeListEntry* pEntry = getEntry( xNode );
rTree.EditEntry( pEntry );
}
void SAL_CALL TreeControlPeer::addTreeEditListener( const Reference< XTreeEditListener >& xListener )
{
maTreeEditListeners.addInterface( xListener );
}
void SAL_CALL TreeControlPeer::removeTreeEditListener( const Reference< XTreeEditListener >& xListener )
{
maTreeEditListeners.removeInterface( xListener );
}
bool TreeControlPeer::onEditingEntry( UnoTreeListEntry const * pEntry )
{
if( mpTreeImpl && pEntry && pEntry->mxNode.is() && (maTreeEditListeners.getLength() > 0) )
{
try
{
maTreeEditListeners.nodeEditing( pEntry->mxNode );
}
catch( VetoException& )
{
return false;
}
catch( Exception& )
{
}
}
return true;
}
bool TreeControlPeer::onEditedEntry( UnoTreeListEntry const * pEntry, const OUString& rNewText )
{
if( mpTreeImpl && pEntry && pEntry->mxNode.is() ) try
{
LockGuard aLockGuard( mnEditLock );
if( maTreeEditListeners.getLength() > 0 )
{
maTreeEditListeners.nodeEdited( pEntry->mxNode, rNewText );
return false;
}
else
{
Reference< XMutableTreeNode > xMutableNode( pEntry->mxNode, UNO_QUERY );
if( xMutableNode.is() )
xMutableNode->setDisplayValue( Any( rNewText ) );
else
return false;
}
}
catch( Exception& )
{
}
return true;
}
// css::awt::tree::TreeDataModelListener
void SAL_CALL TreeControlPeer::treeNodesChanged( const css::awt::tree::TreeDataModelEvent& rEvent )
{
SolarMutexGuard aGuard;
if( mnEditLock != 0 )
return;
updateTree( rEvent );
}
void SAL_CALL TreeControlPeer::treeNodesInserted( const css::awt::tree::TreeDataModelEvent& rEvent )
{
SolarMutexGuard aGuard;
if( mnEditLock != 0 )
return;
updateTree( rEvent );
}
void SAL_CALL TreeControlPeer::treeNodesRemoved( const css::awt::tree::TreeDataModelEvent& rEvent )
{
SolarMutexGuard aGuard;
if( mnEditLock != 0 )
return;
updateTree( rEvent );
}
void SAL_CALL TreeControlPeer::treeStructureChanged( const css::awt::tree::TreeDataModelEvent& rEvent )
{
SolarMutexGuard aGuard;
if( mnEditLock != 0 )
return;
updateTree( rEvent );
}
void TreeControlPeer::updateTree( const css::awt::tree::TreeDataModelEvent& rEvent )
{
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
Sequence< Reference< XTreeNode > > Nodes;
Reference< XTreeNode > xNode( rEvent.ParentNode );
if( !xNode.is() && Nodes.getLength() )
{
xNode = Nodes[0];
}
if( xNode.is() )
updateNode( rTree, xNode );
}
void TreeControlPeer::updateNode( UnoTreeListBoxImpl const & rTree, const Reference< XTreeNode >& xNode )
{
if( !xNode.is() )
return;
UnoTreeListEntry* pNodeEntry = getEntry( xNode, false );
if( !pNodeEntry )
{
Reference< XTreeNode > xParentNode( xNode->getParent() );
UnoTreeListEntry* pParentEntry = nullptr;
sal_uLong nChild = TREELIST_APPEND;
if( xParentNode.is() )
{
pParentEntry = getEntry( xParentNode );
nChild = xParentNode->getIndex( xNode );
}
pNodeEntry = createEntry( xNode, pParentEntry, nChild );
}
updateChildNodes( rTree, xNode, pNodeEntry );
}
void TreeControlPeer::updateChildNodes( UnoTreeListBoxImpl const & rTree, const Reference< XTreeNode >& xParentNode, UnoTreeListEntry* pParentEntry )
{
if( !(xParentNode.is() && pParentEntry) )
return;
UnoTreeListEntry* pCurrentChild = dynamic_cast< UnoTreeListEntry* >( rTree.FirstChild( pParentEntry ) );
const sal_Int32 nChildCount = xParentNode->getChildCount();
for( sal_Int32 nChild = 0; nChild < nChildCount; nChild++ )
{
Reference< XTreeNode > xNode( xParentNode->getChildAt( nChild ) );
if( !pCurrentChild || ( pCurrentChild->mxNode != xNode ) )
{
UnoTreeListEntry* pNodeEntry = getEntry( xNode, false );
if( pNodeEntry == nullptr )
{
// child node is not yet part of the tree, add it
pCurrentChild = createEntry( xNode, pParentEntry, nChild );
}
else if( pNodeEntry != pCurrentChild )
{
// node is already part of the tree, but not on the correct position
rTree.GetModel()->Move( pNodeEntry, pParentEntry, nChild );
pCurrentChild = pNodeEntry;
updateEntry( pCurrentChild );
}
}
else
{
// child node has entry and entry is equal to current entry,
// so no structural changes happened
updateEntry( pCurrentChild );
}
pCurrentChild = dynamic_cast< UnoTreeListEntry* >( pCurrentChild->NextSibling() );
}
// check if we have entries without nodes left, we need to remove them
while( pCurrentChild )
{
UnoTreeListEntry* pNextChild = dynamic_cast< UnoTreeListEntry* >( pCurrentChild->NextSibling() );
rTree.GetModel()->Remove( pCurrentChild );
pCurrentChild = pNextChild;
}
}
OUString TreeControlPeer::getEntryString( const Any& rValue )
{
OUString sValue;
if( rValue.hasValue() )
{
switch( rValue.getValueTypeClass() )
{
case TypeClass_SHORT:
case TypeClass_LONG:
{
sal_Int32 nValue = 0;
if( rValue >>= nValue )
sValue = OUString::number( nValue );
break;
}
case TypeClass_BYTE:
case TypeClass_UNSIGNED_SHORT:
case TypeClass_UNSIGNED_LONG:
{
sal_uInt32 nValue = 0;
if( rValue >>= nValue )
sValue = OUString::number( nValue );
break;
}
case TypeClass_HYPER:
{
sal_Int64 nValue = 0;
if( rValue >>= nValue )
sValue = OUString::number( nValue );
break;
}
case TypeClass_UNSIGNED_HYPER:
{
sal_uInt64 nValue = 0;
if( rValue >>= nValue )
sValue = OUString::number( nValue );
break;
}
case TypeClass_FLOAT:
case TypeClass_DOUBLE:
{
double fValue = 0.0;
if( rValue >>= fValue )
sValue = OUString::number( fValue );
break;
}
case TypeClass_STRING:
rValue >>= sValue;
break;
/*
case TypeClass_INTERFACE:
// @todo
break;
case TypeClass_SEQUENCE:
{
Sequence< Any > aValues;
if( aValue >>= aValues )
{
updateEntry( SvTreeListEntry& rEntry, aValues );
return;
}
}
break;
*/
default:
break;
}
}
return sValue;
}
// XEventListener
void SAL_CALL TreeControlPeer::disposing( const css::lang::EventObject& )
{
// model is disposed, so we clear our tree
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
rTree.Clear();
mxDataModel.clear();
}
void TreeControlPeer::onChangeDataModel( UnoTreeListBoxImpl& rTree, const Reference< XTreeDataModel >& xDataModel )
{
if( xDataModel.is() && (mxDataModel == xDataModel) )
return; // do nothing
Reference< XTreeDataModelListener > xListener( this );
if( mxDataModel.is() )
mxDataModel->removeTreeDataModelListener( xListener );
mxDataModel = xDataModel;
fillTree( rTree, mxDataModel );
if( mxDataModel.is() )
mxDataModel->addTreeDataModelListener( xListener );
}
// css::awt::XLayoutConstrains
css::awt::Size TreeControlPeer::getMinimumSize()
{
SolarMutexGuard aGuard;
css::awt::Size aSz;
/* todo
MultiLineEdit* pEdit = (MultiLineEdit*) GetWindow();
if ( pEdit )
aSz = AWTSize(pEdit->CalcMinimumSize());
*/
return aSz;
}
css::awt::Size TreeControlPeer::getPreferredSize()
{
return getMinimumSize();
}
css::awt::Size TreeControlPeer::calcAdjustedSize( const css::awt::Size& rNewSize )
{
SolarMutexGuard aGuard;
css::awt::Size aSz = rNewSize;
/* todo
MultiLineEdit* pEdit = (MultiLineEdit*) GetWindow();
if ( pEdit )
aSz = AWTSize(pEdit->CalcAdjustedSize( VCLSize(rNewSize )));
*/
return aSz;
}
// css::awt::XVclWindowPeer
void TreeControlPeer::setProperty( const OUString& PropertyName, const Any& aValue)
{
SolarMutexGuard aGuard;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
switch( GetPropertyId( PropertyName ) )
{
case BASEPROPERTY_HIDEINACTIVESELECTION:
{
bool bEnabled = false;
if ( aValue >>= bEnabled )
{
WinBits nStyle = rTree.GetStyle();
if ( bEnabled )
nStyle |= WB_HIDESELECTION;
else
nStyle &= ~WB_HIDESELECTION;
rTree.SetStyle( nStyle );
}
}
break;
case BASEPROPERTY_TREE_SELECTIONTYPE:
{
SelectionType eSelectionType;
if( aValue >>= eSelectionType )
{
SelectionMode eSelMode;
switch( eSelectionType )
{
case SelectionType_SINGLE: eSelMode = SelectionMode::Single; break;
case SelectionType_RANGE: eSelMode = SelectionMode::Range; break;
case SelectionType_MULTI: eSelMode = SelectionMode::Multiple; break;
// case SelectionType_NONE:
default: eSelMode = SelectionMode::NONE; break;
}
if( rTree.GetSelectionMode() != eSelMode )
rTree.SetSelectionMode( eSelMode );
}
break;
}
case BASEPROPERTY_TREE_DATAMODEL:
onChangeDataModel( rTree, Reference< XTreeDataModel >( aValue, UNO_QUERY ) );
break;
case BASEPROPERTY_ROW_HEIGHT:
{
sal_Int32 nHeight = 0;
if( aValue >>= nHeight )
rTree.SetEntryHeight( static_cast<short>(nHeight) );
break;
}
case BASEPROPERTY_TREE_EDITABLE:
{
bool bEnabled = false;
if( aValue >>= bEnabled )
rTree.EnableInplaceEditing( bEnabled );
break;
}
case BASEPROPERTY_TREE_INVOKESSTOPNODEEDITING:
break; // @todo
case BASEPROPERTY_TREE_ROOTDISPLAYED:
{
bool bDisplayed = false;
if( (aValue >>= bDisplayed) && ( bDisplayed != mbIsRootDisplayed) )
{
onChangeRootDisplayed(bDisplayed);
}
break;
}
case BASEPROPERTY_TREE_SHOWSHANDLES:
{
bool bEnabled = false;
if( aValue >>= bEnabled )
{
WinBits nBits = rTree.GetStyle() & (~WB_HASLINES);
if( bEnabled )
nBits |= WB_HASLINES;
if( nBits != rTree.GetStyle() )
rTree.SetStyle( nBits );
}
break;
}
case BASEPROPERTY_TREE_SHOWSROOTHANDLES:
{
bool bEnabled = false;
if( aValue >>= bEnabled )
{
WinBits nBits = rTree.GetStyle() & (~WB_HASLINESATROOT);
if( bEnabled )
nBits |= WB_HASLINESATROOT;
if( nBits != rTree.GetStyle() )
rTree.SetStyle( nBits );
}
break;
}
default:
VCLXWindow::setProperty( PropertyName, aValue );
break;
}
}
Any TreeControlPeer::getProperty( const OUString& PropertyName )
{
SolarMutexGuard aGuard;
const sal_uInt16 nPropId = GetPropertyId( PropertyName );
if( (nPropId >= BASEPROPERTY_TREE_START) && (nPropId <= BASEPROPERTY_TREE_END) )
{
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
switch(nPropId)
{
case BASEPROPERTY_TREE_SELECTIONTYPE:
{
SelectionType eSelectionType;
SelectionMode eSelMode = rTree.GetSelectionMode();
switch( eSelMode )
{
case SelectionMode::Single: eSelectionType = SelectionType_SINGLE; break;
case SelectionMode::Range: eSelectionType = SelectionType_RANGE; break;
case SelectionMode::Multiple:eSelectionType = SelectionType_MULTI; break;
// case SelectionMode::NONE:
default: eSelectionType = SelectionType_NONE; break;
}
return Any( eSelectionType );
}
case BASEPROPERTY_ROW_HEIGHT:
return Any( static_cast<sal_Int32>(rTree.GetEntryHeight()) );
case BASEPROPERTY_TREE_DATAMODEL:
return Any( mxDataModel );
case BASEPROPERTY_TREE_EDITABLE:
return Any( rTree.IsInplaceEditingEnabled() );
case BASEPROPERTY_TREE_INVOKESSTOPNODEEDITING:
return Any( true ); // @todo
case BASEPROPERTY_TREE_ROOTDISPLAYED:
return Any( mbIsRootDisplayed );
case BASEPROPERTY_TREE_SHOWSHANDLES:
return Any( (rTree.GetStyle() & WB_HASLINES) != 0 );
case BASEPROPERTY_TREE_SHOWSROOTHANDLES:
return Any( (rTree.GetStyle() & WB_HASLINESATROOT) != 0 );
}
}
return VCLXWindow::getProperty( PropertyName );
}
void TreeControlPeer::onChangeRootDisplayed( bool bIsRootDisplayed )
{
if( mbIsRootDisplayed == bIsRootDisplayed )
return;
mbIsRootDisplayed = bIsRootDisplayed;
UnoTreeListBoxImpl& rTree = getTreeListBoxOrThrow();
if( rTree.GetEntryCount() == 0 )
return;
// todo
fillTree( rTree, mxDataModel );
}
bool TreeControlPeer::loadImage( const OUString& rURL, Image& rImage )
{
if( !mxGraphicProvider.is() )
{
mxGraphicProvider = graphic::GraphicProvider::create(
comphelper::getProcessComponentContext());
}
try
{
css::beans::PropertyValues aProps( 1 );
aProps[0].Name = "URL";
aProps[0].Value <<= rURL;
Reference< XGraphic > xGraphic( mxGraphicProvider->queryGraphic( aProps ) );
Graphic aGraphic( xGraphic );
rImage = Image(aGraphic.GetBitmapEx());
return true;
}
catch( Exception& )
{
}
return false;
}
// class UnoTreeListBoxImpl
UnoTreeListBoxImpl::UnoTreeListBoxImpl( TreeControlPeer* pPeer, vcl::Window* pParent, WinBits nWinStyle )
: SvTreeListBox( pParent, nWinStyle )
, mxPeer( pPeer )
{
SetStyle( WB_BORDER | WB_HASLINES |WB_HASBUTTONS | WB_HASLINESATROOT | WB_HASBUTTONSATROOT | WB_HSCROLL );
SetNodeDefaultImages();
SetSelectHdl( LINK(this, UnoTreeListBoxImpl, OnSelectionChangeHdl) );
SetDeselectHdl( LINK(this, UnoTreeListBoxImpl, OnSelectionChangeHdl) );
SetExpandingHdl( LINK(this, UnoTreeListBoxImpl, OnExpandingHdl) );
SetExpandedHdl( LINK(this, UnoTreeListBoxImpl, OnExpandedHdl) );
}
UnoTreeListBoxImpl::~UnoTreeListBoxImpl()
{
disposeOnce();
}
void UnoTreeListBoxImpl::dispose()
{
if( mxPeer.is() )
mxPeer->disposeControl();
SvTreeListBox::dispose();
}
IMPL_LINK_NOARG(UnoTreeListBoxImpl, OnSelectionChangeHdl, SvTreeListBox*, void)
{
if( mxPeer.is() )
mxPeer->onSelectionChanged();
}
IMPL_LINK_NOARG(UnoTreeListBoxImpl, OnExpandingHdl, SvTreeListBox*, bool)
{
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( GetHdlEntry() );
if( pEntry && mxPeer.is() )
{
return mxPeer->onExpanding( pEntry->mxNode, !IsExpanded( pEntry ) );
}
return false;
}
IMPL_LINK_NOARG(UnoTreeListBoxImpl, OnExpandedHdl, SvTreeListBox*, void)
{
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( GetHdlEntry() );
if( pEntry && mxPeer.is() )
{
mxPeer->onExpanded( pEntry->mxNode, IsExpanded( pEntry ) );
}
}
void UnoTreeListBoxImpl::insert( SvTreeListEntry* pEntry,SvTreeListEntry* pParent,sal_uLong nPos )
{
if( pParent )
SvTreeListBox::Insert( pEntry, pParent, nPos );
else
SvTreeListBox::Insert( pEntry, nPos );
}
void UnoTreeListBoxImpl::RequestingChildren( SvTreeListEntry* pParent )
{
UnoTreeListEntry* pEntry = dynamic_cast< UnoTreeListEntry* >( pParent );
if( pEntry && pEntry->mxNode.is() && mxPeer.is() )
mxPeer->onRequestChildNodes( pEntry->mxNode );
}
bool UnoTreeListBoxImpl::EditingEntry( SvTreeListEntry* pEntry, Selection& )
{
return mxPeer.is() && mxPeer->onEditingEntry( dynamic_cast< UnoTreeListEntry* >( pEntry ) );
}
bool UnoTreeListBoxImpl::EditedEntry( SvTreeListEntry* pEntry, const OUString& rNewText )
{
return mxPeer.is() && mxPeer->onEditedEntry( dynamic_cast< UnoTreeListEntry* >( pEntry ), rNewText );
}
// class UnoTreeListItem
UnoTreeListItem::UnoTreeListItem()
: SvLBoxString(OUString())
{
}
void UnoTreeListItem::Paint(
const Point& rPos, SvTreeListBox& rDev, vcl::RenderContext& rRenderContext, const SvViewDataEntry* /*pView*/, const SvTreeListEntry& rEntry)
{
Point aPos(rPos);
Size aSize(GetSize(&rDev, &rEntry));
if (!!maImage)
{
rRenderContext.DrawImage(aPos, maImage, rDev.IsEnabled() ? DrawImageFlags::NONE : DrawImageFlags::Disable);
int nWidth = maImage.GetSizePixel().Width() + 6;
aPos.AdjustX(nWidth );
aSize.AdjustWidth( -nWidth );
}
rRenderContext.DrawText(tools::Rectangle(aPos,aSize),maText, rDev.IsEnabled() ? DrawTextFlags::NONE : DrawTextFlags::Disable);
}
std::unique_ptr<SvLBoxItem> UnoTreeListItem::Clone(SvLBoxItem const * pSource) const
{
std::unique_ptr<UnoTreeListItem> pNew(new UnoTreeListItem);
UnoTreeListItem const * pSourceItem = static_cast< UnoTreeListItem const * >( pSource );
pNew->maText = pSourceItem->maText;
pNew->maImage = pSourceItem->maImage;
return std::unique_ptr<SvLBoxItem>(pNew.release());
}
void UnoTreeListItem::SetImage( const Image& rImage )
{
maImage = rImage;
}
void UnoTreeListItem::SetGraphicURL( const OUString& rGraphicURL )
{
maGraphicURL = rGraphicURL;
}
void UnoTreeListItem::InitViewData( SvTreeListBox* pView,SvTreeListEntry* pEntry, SvViewDataItem* pViewData)
{
if( !pViewData )
pViewData = pView->GetViewDataItem( pEntry, this );
pViewData->maSize = maImage.GetSizePixel();
const Size aTextSize(pView->GetTextWidth( maText ), pView->GetTextHeight());
if( pViewData->maSize.Width() )
{
pViewData->maSize.AdjustWidth(6 + aTextSize.Width() );
if( pViewData->maSize.Height() < aTextSize.Height() )
pViewData->maSize.setHeight( aTextSize.Height() );
}
else
{
pViewData->maSize = aTextSize;
}
}
UnoTreeListEntry::UnoTreeListEntry( const Reference< XTreeNode >& xNode, TreeControlPeer* pPeer )
: SvTreeListEntry()
, mxNode( xNode )
, mpPeer( pPeer )
{
if( mpPeer )
mpPeer->addEntry( this );
}
UnoTreeListEntry::~UnoTreeListEntry()
{
if( mpPeer )
mpPeer->removeEntry( this );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V524 It is odd that the body of 'removeSelectionChangeListener' function is fully equivalent to the body of 'addSelectionChangeListener' function.