535 lines
17 KiB
C++
535 lines
17 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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#include <com/sun/star/awt/tree/XMutableTreeDataModel.hpp>
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <cppuhelper/implbase.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <o3tl/safeint.hxx>
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#include <rtl/ref.hxx>
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#include <comphelper/interfacecontainer4.hxx>
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#include <mutex>
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#include <utility>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::awt;
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using namespace ::com::sun::star::awt::tree;
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using namespace ::com::sun::star::lang;
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namespace {
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enum broadcast_type { nodes_changed, nodes_inserted, nodes_removed, structure_changed };
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class MutableTreeNode;
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class MutableTreeDataModel;
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typedef std::vector< rtl::Reference< MutableTreeNode > > TreeNodeVector;
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class MutableTreeDataModel : public ::cppu::WeakImplHelper< XMutableTreeDataModel, XServiceInfo >
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{
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public:
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MutableTreeDataModel();
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void broadcast( broadcast_type eType, const Reference< XTreeNode >& xParentNode, const Reference< XTreeNode >& rNode );
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// XMutableTreeDataModel
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virtual css::uno::Reference< css::awt::tree::XMutableTreeNode > SAL_CALL createNode( const css::uno::Any& DisplayValue, sal_Bool ChildrenOnDemand ) override;
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virtual void SAL_CALL setRoot( const css::uno::Reference< css::awt::tree::XMutableTreeNode >& RootNode ) override;
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// XTreeDataModel
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virtual css::uno::Reference< css::awt::tree::XTreeNode > SAL_CALL getRoot( ) override;
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virtual void SAL_CALL addTreeDataModelListener( const css::uno::Reference< css::awt::tree::XTreeDataModelListener >& Listener ) override;
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virtual void SAL_CALL removeTreeDataModelListener( const css::uno::Reference< css::awt::tree::XTreeDataModelListener >& Listener ) override;
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// XComponent
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virtual void SAL_CALL dispose( ) override;
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virtual void SAL_CALL addEventListener( const Reference< XEventListener >& xListener ) override;
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virtual void SAL_CALL removeEventListener( const Reference< XEventListener >& aListener ) override;
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName( ) override;
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virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
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virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
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private:
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void broadcastImpl( std::unique_lock<std::mutex>& rGuard, broadcast_type eType, const Reference< XTreeNode >& xParentNode, const Reference< XTreeNode >& rNode );
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std::mutex m_aMutex;
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comphelper::OInterfaceContainerHelper4<XTreeDataModelListener> maTreeDataModelListeners;
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comphelper::OInterfaceContainerHelper4<XEventListener> maEventListeners;
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bool mbDisposed;
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rtl::Reference< MutableTreeNode > mxRootNode;
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};
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class MutableTreeNode: public ::cppu::WeakImplHelper< XMutableTreeNode, XServiceInfo >
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{
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friend class MutableTreeDataModel;
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public:
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MutableTreeNode( rtl::Reference< MutableTreeDataModel > xModel, Any aValue, bool bChildrenOnDemand );
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virtual ~MutableTreeNode() override;
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void setParent( MutableTreeNode* pParent );
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void broadcast_changes();
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void broadcast_changes(std::unique_lock<std::mutex> & rLock,
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const Reference< XTreeNode >& xNode, bool bNew);
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// XMutableTreeNode
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virtual css::uno::Any SAL_CALL getDataValue() override;
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virtual void SAL_CALL setDataValue( const css::uno::Any& _datavalue ) override;
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virtual void SAL_CALL appendChild( const css::uno::Reference< css::awt::tree::XMutableTreeNode >& ChildNode ) override;
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virtual void SAL_CALL insertChildByIndex( ::sal_Int32 Index, const css::uno::Reference< css::awt::tree::XMutableTreeNode >& ChildNode ) override;
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virtual void SAL_CALL removeChildByIndex( ::sal_Int32 Index ) override;
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virtual void SAL_CALL setHasChildrenOnDemand( sal_Bool ChildrenOnDemand ) override;
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virtual void SAL_CALL setDisplayValue( const css::uno::Any& Value ) override;
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virtual void SAL_CALL setNodeGraphicURL( const OUString& URL ) override;
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virtual void SAL_CALL setExpandedGraphicURL( const OUString& URL ) override;
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virtual void SAL_CALL setCollapsedGraphicURL( const OUString& URL ) override;
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// XTreeNode
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virtual css::uno::Reference< css::awt::tree::XTreeNode > SAL_CALL getChildAt( ::sal_Int32 Index ) override;
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virtual ::sal_Int32 SAL_CALL getChildCount( ) override;
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virtual css::uno::Reference< css::awt::tree::XTreeNode > SAL_CALL getParent( ) override;
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virtual ::sal_Int32 SAL_CALL getIndex( const css::uno::Reference< css::awt::tree::XTreeNode >& Node ) override;
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virtual sal_Bool SAL_CALL hasChildrenOnDemand( ) override;
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virtual css::uno::Any SAL_CALL getDisplayValue( ) override;
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virtual OUString SAL_CALL getNodeGraphicURL( ) override;
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virtual OUString SAL_CALL getExpandedGraphicURL( ) override;
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virtual OUString SAL_CALL getCollapsedGraphicURL( ) override;
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName( ) override;
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virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
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virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
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private:
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TreeNodeVector maChildren;
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Any maDisplayValue;
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Any maDataValue;
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bool mbHasChildrenOnDemand;
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std::mutex maMutex;
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MutableTreeNode* mpParent;
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rtl::Reference< MutableTreeDataModel > mxModel;
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OUString maNodeGraphicURL;
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OUString maExpandedGraphicURL;
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OUString maCollapsedGraphicURL;
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bool mbIsInserted;
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};
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MutableTreeDataModel::MutableTreeDataModel()
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: mbDisposed( false )
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{
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}
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void MutableTreeDataModel::broadcast( broadcast_type eType, const Reference< XTreeNode >& xParentNode, const Reference< XTreeNode >& rNode )
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{
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std::unique_lock aGuard(m_aMutex);
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broadcastImpl(aGuard, eType, xParentNode, rNode);
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}
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void MutableTreeDataModel::broadcastImpl( std::unique_lock<std::mutex>& rGuard, broadcast_type eType, const Reference< XTreeNode >& xParentNode, const Reference< XTreeNode >& rNode )
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{
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if( !maTreeDataModelListeners.getLength(rGuard) )
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return;
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Reference< XInterface > xSource( getXWeak() );
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const Sequence< Reference< XTreeNode > > aNodes { rNode };
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TreeDataModelEvent aEvent( xSource, aNodes, xParentNode );
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comphelper::OInterfaceIteratorHelper4 aListIter(rGuard, maTreeDataModelListeners);
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rGuard.unlock();
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while(aListIter.hasMoreElements())
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{
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XTreeDataModelListener* pListener = aListIter.next().get();
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switch( eType )
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{
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case nodes_changed: pListener->treeNodesChanged(aEvent); break;
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case nodes_inserted: pListener->treeNodesInserted(aEvent); break;
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case nodes_removed: pListener->treeNodesRemoved(aEvent); break;
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case structure_changed: pListener->treeStructureChanged(aEvent); break;
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}
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}
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}
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Reference< XMutableTreeNode > SAL_CALL MutableTreeDataModel::createNode( const Any& aValue, sal_Bool bChildrenOnDemand )
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{
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return new MutableTreeNode( this, aValue, bChildrenOnDemand );
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}
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void SAL_CALL MutableTreeDataModel::setRoot( const Reference< XMutableTreeNode >& xNode )
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{
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if( !xNode.is() )
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throw IllegalArgumentException();
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std::unique_lock aGuard( m_aMutex );
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if( xNode.get() == mxRootNode.get() )
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return;
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if( mxRootNode.is() )
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mxRootNode->mbIsInserted = false;
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rtl::Reference< MutableTreeNode > xImpl( dynamic_cast< MutableTreeNode* >( xNode.get() ) );
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if( !xImpl.is() || xImpl->mbIsInserted )
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throw IllegalArgumentException();
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xImpl->mbIsInserted = true;
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mxRootNode = std::move(xImpl);
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Reference< XTreeNode > xParentNode;
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broadcastImpl( aGuard, structure_changed, xParentNode, mxRootNode );
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}
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Reference< XTreeNode > SAL_CALL MutableTreeDataModel::getRoot( )
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{
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std::unique_lock aGuard( m_aMutex );
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return mxRootNode;
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}
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void SAL_CALL MutableTreeDataModel::addTreeDataModelListener( const Reference< XTreeDataModelListener >& xListener )
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{
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std::unique_lock aGuard( m_aMutex );
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maTreeDataModelListeners.addInterface( aGuard, xListener );
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}
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void SAL_CALL MutableTreeDataModel::removeTreeDataModelListener( const Reference< XTreeDataModelListener >& xListener )
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{
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std::unique_lock aGuard( m_aMutex );
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maTreeDataModelListeners.removeInterface( aGuard, xListener );
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}
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void SAL_CALL MutableTreeDataModel::dispose()
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{
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std::unique_lock aGuard( m_aMutex );
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if( !mbDisposed )
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{
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mbDisposed = true;
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css::lang::EventObject aEvent;
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aEvent.Source.set( getXWeak() );
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maTreeDataModelListeners.disposeAndClear( aGuard, aEvent );
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maEventListeners.disposeAndClear( aGuard, aEvent );
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}
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}
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void SAL_CALL MutableTreeDataModel::addEventListener( const Reference< XEventListener >& xListener )
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{
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std::unique_lock aGuard( m_aMutex );
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maEventListeners.addInterface( aGuard, xListener );
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}
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void SAL_CALL MutableTreeDataModel::removeEventListener( const Reference< XEventListener >& xListener )
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{
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std::unique_lock aGuard( m_aMutex );
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maEventListeners.removeInterface( aGuard, xListener );
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}
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OUString SAL_CALL MutableTreeDataModel::getImplementationName( )
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{
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return u"toolkit.MutableTreeDataModel"_ustr;
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}
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sal_Bool SAL_CALL MutableTreeDataModel::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService(this, ServiceName);
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}
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Sequence< OUString > SAL_CALL MutableTreeDataModel::getSupportedServiceNames( )
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{
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Sequence<OUString> aSeq { u"com.sun.star.awt.tree.MutableTreeDataModel"_ustr };
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return aSeq;
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}
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MutableTreeNode::MutableTreeNode( rtl::Reference< MutableTreeDataModel > xModel, Any aValue, bool bChildrenOnDemand )
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: maDisplayValue(std::move( aValue ))
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, mbHasChildrenOnDemand( bChildrenOnDemand )
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, mpParent( nullptr )
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, mxModel(std::move( xModel ))
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, mbIsInserted( false )
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{
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}
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MutableTreeNode::~MutableTreeNode()
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{
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for( auto& rChild : maChildren )
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rChild->setParent(nullptr);
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}
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void MutableTreeNode::setParent( MutableTreeNode* pParent )
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{
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mpParent = pParent;
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}
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void MutableTreeNode::broadcast_changes()
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{
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if( mxModel.is() )
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{
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mxModel->broadcast( nodes_changed, mpParent, this );
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}
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}
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void MutableTreeNode::broadcast_changes(std::unique_lock<std::mutex> & rLock,
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const Reference< XTreeNode >& xNode, bool const bNew)
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{
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auto const xModel(mxModel);
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rLock.unlock();
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if (xModel.is())
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{
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xModel->broadcast(bNew ? nodes_inserted : nodes_removed, this, xNode);
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}
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}
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Any SAL_CALL MutableTreeNode::getDataValue()
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{
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std::scoped_lock aGuard( maMutex );
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return maDataValue;
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}
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void SAL_CALL MutableTreeNode::setDataValue( const Any& _datavalue )
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{
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std::scoped_lock aGuard( maMutex );
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maDataValue = _datavalue;
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}
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void SAL_CALL MutableTreeNode::appendChild( const Reference< XMutableTreeNode >& xChildNode )
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{
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std::unique_lock aGuard( maMutex );
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rtl::Reference< MutableTreeNode > xImpl( dynamic_cast< MutableTreeNode* >( xChildNode.get() ) );
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if( !xImpl.is() || xImpl->mbIsInserted || (this == xImpl.get()) )
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throw IllegalArgumentException();
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maChildren.push_back( xImpl );
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xImpl->setParent(this);
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xImpl->mbIsInserted = true;
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broadcast_changes(aGuard, xChildNode, true);
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}
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void SAL_CALL MutableTreeNode::insertChildByIndex( sal_Int32 nChildIndex, const Reference< XMutableTreeNode >& xChildNode )
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{
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std::unique_lock aGuard( maMutex );
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if( (nChildIndex < 0) || (o3tl::make_unsigned(nChildIndex) > maChildren.size()) )
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throw IndexOutOfBoundsException();
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rtl::Reference< MutableTreeNode > xImpl( dynamic_cast< MutableTreeNode* >( xChildNode.get() ) );
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if( !xImpl.is() || xImpl->mbIsInserted || (this == xImpl.get()) )
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throw IllegalArgumentException();
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xImpl->mbIsInserted = true;
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TreeNodeVector::iterator aIter( maChildren.begin() );
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std::advance(aIter, nChildIndex);
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maChildren.insert( aIter, xImpl );
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xImpl->setParent( this );
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broadcast_changes(aGuard, xChildNode, true);
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}
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void SAL_CALL MutableTreeNode::removeChildByIndex( sal_Int32 nChildIndex )
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{
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std::unique_lock aGuard( maMutex );
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if( (nChildIndex < 0) || (o3tl::make_unsigned(nChildIndex) >= maChildren.size()) )
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throw IndexOutOfBoundsException();
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rtl::Reference< MutableTreeNode > xImpl;
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TreeNodeVector::iterator aIter( maChildren.begin() );
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std::advance(aIter, nChildIndex);
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xImpl = *aIter;
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maChildren.erase( aIter );
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if( !xImpl.is() )
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throw IndexOutOfBoundsException();
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xImpl->setParent(nullptr);
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xImpl->mbIsInserted = false;
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broadcast_changes(aGuard, xImpl, false);
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}
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void SAL_CALL MutableTreeNode::setHasChildrenOnDemand( sal_Bool bChildrenOnDemand )
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{
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bool bChanged;
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{
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std::scoped_lock aGuard( maMutex );
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bChanged = mbHasChildrenOnDemand != bool(bChildrenOnDemand);
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mbHasChildrenOnDemand = bChildrenOnDemand;
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}
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if( bChanged )
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broadcast_changes();
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}
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void SAL_CALL MutableTreeNode::setDisplayValue( const Any& aValue )
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{
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{
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std::scoped_lock aGuard( maMutex );
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maDisplayValue = aValue;
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}
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broadcast_changes();
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}
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void SAL_CALL MutableTreeNode::setNodeGraphicURL( const OUString& rURL )
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{
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bool bChanged;
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{
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std::scoped_lock aGuard( maMutex );
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bChanged = maNodeGraphicURL != rURL;
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maNodeGraphicURL = rURL;
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}
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if( bChanged )
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broadcast_changes();
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}
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void SAL_CALL MutableTreeNode::setExpandedGraphicURL( const OUString& rURL )
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{
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bool bChanged;
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{
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std::scoped_lock aGuard( maMutex );
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bChanged = maExpandedGraphicURL != rURL;
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maExpandedGraphicURL = rURL;
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}
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if( bChanged )
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broadcast_changes();
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}
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void SAL_CALL MutableTreeNode::setCollapsedGraphicURL( const OUString& rURL )
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{
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bool bChanged;
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{
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std::scoped_lock aGuard( maMutex );
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bChanged = maCollapsedGraphicURL != rURL;
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maCollapsedGraphicURL = rURL;
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}
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if( bChanged )
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broadcast_changes();
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}
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Reference< XTreeNode > SAL_CALL MutableTreeNode::getChildAt( sal_Int32 nChildIndex )
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{
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std::scoped_lock aGuard( maMutex );
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if( (nChildIndex < 0) || (o3tl::make_unsigned(nChildIndex) >= maChildren.size()) )
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throw IndexOutOfBoundsException();
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return maChildren[nChildIndex];
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}
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sal_Int32 SAL_CALL MutableTreeNode::getChildCount( )
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{
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std::scoped_lock aGuard( maMutex );
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return static_cast<sal_Int32>(maChildren.size());
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}
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Reference< XTreeNode > SAL_CALL MutableTreeNode::getParent( )
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{
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std::scoped_lock aGuard( maMutex );
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return mpParent;
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}
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sal_Int32 SAL_CALL MutableTreeNode::getIndex( const Reference< XTreeNode >& xNode )
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{
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std::scoped_lock aGuard( maMutex );
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rtl::Reference< MutableTreeNode > xImpl( dynamic_cast< MutableTreeNode* >( xNode.get() ) );
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if( xImpl.is() )
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{
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sal_Int32 nChildCount = maChildren.size();
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while( nChildCount-- )
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{
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if( maChildren[nChildCount] == xImpl )
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return nChildCount;
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}
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}
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return -1;
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}
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sal_Bool SAL_CALL MutableTreeNode::hasChildrenOnDemand( )
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{
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std::scoped_lock aGuard( maMutex );
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return mbHasChildrenOnDemand;
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}
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Any SAL_CALL MutableTreeNode::getDisplayValue( )
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{
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std::scoped_lock aGuard( maMutex );
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return maDisplayValue;
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}
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OUString SAL_CALL MutableTreeNode::getNodeGraphicURL( )
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{
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std::scoped_lock aGuard( maMutex );
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return maNodeGraphicURL;
|
|
}
|
|
|
|
OUString SAL_CALL MutableTreeNode::getExpandedGraphicURL( )
|
|
{
|
|
std::scoped_lock aGuard( maMutex );
|
|
return maExpandedGraphicURL;
|
|
}
|
|
|
|
OUString SAL_CALL MutableTreeNode::getCollapsedGraphicURL( )
|
|
{
|
|
std::scoped_lock aGuard( maMutex );
|
|
return maCollapsedGraphicURL;
|
|
}
|
|
|
|
OUString SAL_CALL MutableTreeNode::getImplementationName( )
|
|
{
|
|
return u"toolkit.MutableTreeNode"_ustr;
|
|
}
|
|
|
|
sal_Bool SAL_CALL MutableTreeNode::supportsService( const OUString& ServiceName )
|
|
{
|
|
return cppu::supportsService(this, ServiceName);
|
|
}
|
|
|
|
Sequence< OUString > SAL_CALL MutableTreeNode::getSupportedServiceNames( )
|
|
{
|
|
Sequence<OUString> aSeq { u"com.sun.star.awt.tree.MutableTreeNode"_ustr };
|
|
return aSeq;
|
|
}
|
|
|
|
}
|
|
|
|
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
|
|
stardiv_Toolkit_MutableTreeDataModel_get_implementation(
|
|
css::uno::XComponentContext *,
|
|
css::uno::Sequence<css::uno::Any> const &)
|
|
{
|
|
return cppu::acquire(new MutableTreeDataModel());
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|