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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 .
+ */
+
+#include <com/sun/star/awt/tree/XMutableTreeDataModel.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <cppuhelper/implbase2.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <rtl/ref.hxx>
+#include <toolkit/helper/mutexandbroadcasthelper.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::awt;
+using namespace ::com::sun::star::awt::tree;
+using namespace ::com::sun::star::lang;
+
+namespace {
+
+ enum broadcast_type { nodes_changed, nodes_inserted, nodes_removed, structure_changed };
+
+class MutableTreeNode;
+class MutableTreeDataModel;
+
+typedef rtl::Reference< MutableTreeNode > MutableTreeNodeRef;
+typedef std::vector< MutableTreeNodeRef > TreeNodeVector;
+typedef rtl::Reference< MutableTreeDataModel > MutableTreeDataModelRef;
+
+class MutableTreeDataModel : public ::cppu::WeakAggImplHelper2< XMutableTreeDataModel, XServiceInfo >,
+ public MutexAndBroadcastHelper
+{
+public:
+ MutableTreeDataModel();
+
+ void broadcast( broadcast_type eType, const Reference< XTreeNode >& xParentNode, const Reference< XTreeNode >& rNode );
+
+ // XMutableTreeDataModel
+ virtual css::uno::Reference< css::awt::tree::XMutableTreeNode > SAL_CALL createNode( const css::uno::Any& DisplayValue, sal_Bool ChildrenOnDemand ) override;
+ virtual void SAL_CALL setRoot( const css::uno::Reference< css::awt::tree::XMutableTreeNode >& RootNode ) override;
+
+ // XTreeDataModel
+ virtual css::uno::Reference< css::awt::tree::XTreeNode > SAL_CALL getRoot( ) override;
+ virtual void SAL_CALL addTreeDataModelListener( const css::uno::Reference< css::awt::tree::XTreeDataModelListener >& Listener ) override;
+ virtual void SAL_CALL removeTreeDataModelListener( const css::uno::Reference< css::awt::tree::XTreeDataModelListener >& Listener ) override;
+
+ // XComponent
+ virtual void SAL_CALL dispose( ) override;
+ virtual void SAL_CALL addEventListener( const Reference< XEventListener >& xListener ) override;
+ virtual void SAL_CALL removeEventListener( const Reference< XEventListener >& aListener ) override;
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName( ) override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
+
+private:
+ bool mbDisposed;
+ Reference< XTreeNode > mxRootNode;
+};
+
+class MutableTreeNode: public ::cppu::WeakAggImplHelper2< XMutableTreeNode, XServiceInfo >
+{
+ friend class MutableTreeDataModel;
+
+public:
+ MutableTreeNode( const MutableTreeDataModelRef& xModel, const Any& rValue, bool bChildrenOnDemand );
+ virtual ~MutableTreeNode() override;
+
+ void setParent( MutableTreeNode* pParent );
+ void broadcast_changes();
+ void broadcast_changes(const Reference< XTreeNode >& xNode, bool bNew);
+
+ // XMutableTreeNode
+ virtual css::uno::Any SAL_CALL getDataValue() override;
+ virtual void SAL_CALL setDataValue( const css::uno::Any& _datavalue ) override;
+ virtual void SAL_CALL appendChild( const css::uno::Reference< css::awt::tree::XMutableTreeNode >& ChildNode ) override;
+ virtual void SAL_CALL insertChildByIndex( ::sal_Int32 Index, const css::uno::Reference< css::awt::tree::XMutableTreeNode >& ChildNode ) override;
+ virtual void SAL_CALL removeChildByIndex( ::sal_Int32 Index ) override;
+ virtual void SAL_CALL setHasChildrenOnDemand( sal_Bool ChildrenOnDemand ) override;
+ virtual void SAL_CALL setDisplayValue( const css::uno::Any& Value ) override;
+ virtual void SAL_CALL setNodeGraphicURL( const OUString& URL ) override;
+ virtual void SAL_CALL setExpandedGraphicURL( const OUString& URL ) override;
+ virtual void SAL_CALL setCollapsedGraphicURL( const OUString& URL ) override;
+
+ // XTreeNode
+ virtual css::uno::Reference< css::awt::tree::XTreeNode > SAL_CALL getChildAt( ::sal_Int32 Index ) override;
+ virtual ::sal_Int32 SAL_CALL getChildCount( ) override;
+ virtual css::uno::Reference< css::awt::tree::XTreeNode > SAL_CALL getParent( ) override;
+ virtual ::sal_Int32 SAL_CALL getIndex( const css::uno::Reference< css::awt::tree::XTreeNode >& Node ) override;
+ virtual sal_Bool SAL_CALL hasChildrenOnDemand( ) override;
+ virtual css::uno::Any SAL_CALL getDisplayValue( ) override;
+ virtual OUString SAL_CALL getNodeGraphicURL( ) override;
+ virtual OUString SAL_CALL getExpandedGraphicURL( ) override;
+ virtual OUString SAL_CALL getCollapsedGraphicURL( ) override;
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName( ) override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
+
+ static Reference< XTreeNode > getReference( MutableTreeNode* pNode )
+ {
+ return Reference< XTreeNode >( pNode );
+ }
+
+private:
+ TreeNodeVector maChildren;
+ Any maDisplayValue;
+ Any maDataValue;
+ bool mbHasChildrenOnDemand;
+ ::osl::Mutex maMutex;
+ MutableTreeNode* mpParent;
+ MutableTreeDataModelRef mxModel;
+ OUString maNodeGraphicURL;
+ OUString maExpandedGraphicURL;
+ OUString maCollapsedGraphicURL;
+ bool mbIsInserted;
+};
+
+MutableTreeDataModel::MutableTreeDataModel()
+: mbDisposed( false )
+{
+}
+
+void MutableTreeDataModel::broadcast( broadcast_type eType, const Reference< XTreeNode >& xParentNode, const Reference< XTreeNode >& rNode )
+{
+ ::cppu::OInterfaceContainerHelper* pIter = BrdcstHelper.getContainer( cppu::UnoType<XTreeDataModelListener>::get() );
+ if( pIter )
+ {
+ Reference< XInterface > xSource( static_cast< ::cppu::OWeakObject* >( this ) );
+ const Sequence< Reference< XTreeNode > > aNodes { rNode };
+ TreeDataModelEvent aEvent( xSource, aNodes, xParentNode );
+
+ ::cppu::OInterfaceIteratorHelper aListIter(*pIter);
+ while(aListIter.hasMoreElements())
+ {
+ XTreeDataModelListener* pListener = static_cast<XTreeDataModelListener*>(aListIter.next());
+ switch( eType )
+ {
+ case nodes_changed: pListener->treeNodesChanged(aEvent); break;
+ case nodes_inserted: pListener->treeNodesInserted(aEvent); break;
+ case nodes_removed: pListener->treeNodesRemoved(aEvent); break;
+ case structure_changed: pListener->treeStructureChanged(aEvent); break;
+ }
+ }
+ }
+}
+
+Reference< XMutableTreeNode > SAL_CALL MutableTreeDataModel::createNode( const Any& aValue, sal_Bool bChildrenOnDemand )
+{
+ return new MutableTreeNode( this, aValue, bChildrenOnDemand );
+}
+
+void SAL_CALL MutableTreeDataModel::setRoot( const Reference< XMutableTreeNode >& xNode )
+{
+ if( !xNode.is() )
+ throw IllegalArgumentException();
+
+ ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+ if( xNode != mxRootNode )
+ {
+ if( mxRootNode.is() )
+ {
+ MutableTreeNodeRef xOldImpl( dynamic_cast< MutableTreeNode* >( mxRootNode.get() ) );
+ if( xOldImpl.is() )
+ xOldImpl->mbIsInserted = false;
+ }
+
+ MutableTreeNodeRef xImpl( dynamic_cast< MutableTreeNode* >( xNode.get() ) );
+ if( !xImpl.is() || xImpl->mbIsInserted )
+ throw IllegalArgumentException();
+
+ xImpl->mbIsInserted = true;
+ mxRootNode.set(xImpl.get());
+
+ Reference< XTreeNode > xParentNode;
+ broadcast( structure_changed, xParentNode, mxRootNode );
+ }
+}
+
+Reference< XTreeNode > SAL_CALL MutableTreeDataModel::getRoot( )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+ return mxRootNode;
+}
+
+void SAL_CALL MutableTreeDataModel::addTreeDataModelListener( const Reference< XTreeDataModelListener >& xListener )
+{
+ BrdcstHelper.addListener( cppu::UnoType<XTreeDataModelListener>::get(), xListener );
+}
+
+void SAL_CALL MutableTreeDataModel::removeTreeDataModelListener( const Reference< XTreeDataModelListener >& xListener )
+{
+ BrdcstHelper.removeListener( cppu::UnoType<XTreeDataModelListener>::get(), xListener );
+}
+
+void SAL_CALL MutableTreeDataModel::dispose()
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+ if( !mbDisposed )
+ {
+ mbDisposed = true;
+ css::lang::EventObject aEvent;
+ aEvent.Source.set( static_cast< ::cppu::OWeakObject* >( this ) );
+ BrdcstHelper.aLC.disposeAndClear( aEvent );
+ }
+}
+
+void SAL_CALL MutableTreeDataModel::addEventListener( const Reference< XEventListener >& xListener )
+{
+ BrdcstHelper.addListener( cppu::UnoType<XEventListener>::get(), xListener );
+}
+
+void SAL_CALL MutableTreeDataModel::removeEventListener( const Reference< XEventListener >& xListener )
+{
+ BrdcstHelper.removeListener( cppu::UnoType<XEventListener>::get(), xListener );
+}
+
+OUString SAL_CALL MutableTreeDataModel::getImplementationName( )
+{
+ return "toolkit.MutableTreeDataModel";
+}
+
+sal_Bool SAL_CALL MutableTreeDataModel::supportsService( const OUString& ServiceName )
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+Sequence< OUString > SAL_CALL MutableTreeDataModel::getSupportedServiceNames( )
+{
+ Sequence<OUString> aSeq { "com.sun.star.awt.tree.MutableTreeDataModel" };
+ return aSeq;
+}
+
+MutableTreeNode::MutableTreeNode( const MutableTreeDataModelRef& xModel, const Any& rValue, bool bChildrenOnDemand )
+: maDisplayValue( rValue )
+, mbHasChildrenOnDemand( bChildrenOnDemand )
+, mpParent( nullptr )
+, mxModel( xModel )
+, mbIsInserted( false )
+{
+}
+
+MutableTreeNode::~MutableTreeNode()
+{
+ for( auto& rChild : maChildren )
+ rChild->setParent(nullptr);
+}
+
+void MutableTreeNode::setParent( MutableTreeNode* pParent )
+{
+ mpParent = pParent;
+}
+
+void MutableTreeNode::broadcast_changes()
+{
+ if( mxModel.is() )
+ {
+ Reference< XTreeNode > xParent( getReference( mpParent ) );
+ Reference< XTreeNode > xNode( getReference( this ) );
+ mxModel->broadcast( nodes_changed, xParent, xNode );
+ }
+}
+
+void MutableTreeNode::broadcast_changes(const Reference< XTreeNode >& xNode, bool bNew)
+{
+ if( mxModel.is() )
+ {
+ Reference< XTreeNode > xParent( getReference( this ) );
+ mxModel->broadcast( bNew ? nodes_inserted : nodes_removed, xParent, xNode );
+ }
+}
+
+Any SAL_CALL MutableTreeNode::getDataValue()
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ return maDataValue;
+}
+
+void SAL_CALL MutableTreeNode::setDataValue( const Any& _datavalue )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ maDataValue = _datavalue;
+}
+
+void SAL_CALL MutableTreeNode::appendChild( const Reference< XMutableTreeNode >& xChildNode )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ Reference< XTreeNode > xNode( xChildNode.get() );
+ MutableTreeNodeRef xImpl( dynamic_cast< MutableTreeNode* >( xNode.get() ) );
+
+ if( !xImpl.is() || xImpl->mbIsInserted || (this == xImpl.get()) )
+ throw IllegalArgumentException();
+
+ maChildren.push_back( xImpl );
+ xImpl->setParent(this);
+ xImpl->mbIsInserted = true;
+
+ broadcast_changes( xNode, true );
+}
+
+void SAL_CALL MutableTreeNode::insertChildByIndex( sal_Int32 nChildIndex, const Reference< XMutableTreeNode >& xChildNode )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+
+ if( (nChildIndex < 0) || (nChildIndex > static_cast<sal_Int32>(maChildren.size())) )
+ throw IndexOutOfBoundsException();
+
+ Reference< XTreeNode > xNode( xChildNode.get() );
+ MutableTreeNodeRef xImpl( dynamic_cast< MutableTreeNode* >( xNode.get() ) );
+ if( !xImpl.is() || xImpl->mbIsInserted || (this == xImpl.get()) )
+ throw IllegalArgumentException();
+
+ xImpl->mbIsInserted = true;
+
+ TreeNodeVector::iterator aIter( maChildren.begin() );
+ std::advance(aIter, nChildIndex);
+
+ maChildren.insert( aIter, xImpl );
+ xImpl->setParent( this );
+
+ broadcast_changes( xNode, true );
+}
+
+void SAL_CALL MutableTreeNode::removeChildByIndex( sal_Int32 nChildIndex )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+
+ if( (nChildIndex < 0) || (nChildIndex >= static_cast<sal_Int32>(maChildren.size())) )
+ throw IndexOutOfBoundsException();
+
+ MutableTreeNodeRef xImpl;
+
+ TreeNodeVector::iterator aIter( maChildren.begin() );
+ std::advance(aIter, nChildIndex);
+
+ xImpl = *aIter;
+ maChildren.erase( aIter );
+
+ if( !xImpl.is() )
+ throw IndexOutOfBoundsException();
+
+ xImpl->setParent(nullptr);
+ xImpl->mbIsInserted = false;
+
+ broadcast_changes( getReference( xImpl.get() ), false );
+}
+
+void SAL_CALL MutableTreeNode::setHasChildrenOnDemand( sal_Bool bChildrenOnDemand )
+{
+ bool bChanged;
+
+ {
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ bChanged = mbHasChildrenOnDemand != bool(bChildrenOnDemand);
+ mbHasChildrenOnDemand = bChildrenOnDemand;
+ }
+
+ if( bChanged )
+ broadcast_changes();
+}
+
+void SAL_CALL MutableTreeNode::setDisplayValue( const Any& aValue )
+{
+ {
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ maDisplayValue = aValue;
+ }
+
+ broadcast_changes();
+}
+
+void SAL_CALL MutableTreeNode::setNodeGraphicURL( const OUString& rURL )
+{
+ bool bChanged;
+
+ {
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ bChanged = maNodeGraphicURL != rURL;
+ maNodeGraphicURL = rURL;
+ }
+
+ if( bChanged )
+ broadcast_changes();
+}
+
+void SAL_CALL MutableTreeNode::setExpandedGraphicURL( const OUString& rURL )
+{
+ bool bChanged;
+
+ {
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ bChanged = maExpandedGraphicURL != rURL;
+ maExpandedGraphicURL = rURL;
+ }
+
+ if( bChanged )
+ broadcast_changes();
+}
+
+void SAL_CALL MutableTreeNode::setCollapsedGraphicURL( const OUString& rURL )
+{
+ bool bChanged;
+
+ {
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ bChanged = maCollapsedGraphicURL != rURL;
+ maCollapsedGraphicURL = rURL;
+ }
+
+ if( bChanged )
+ broadcast_changes();
+}
+
+Reference< XTreeNode > SAL_CALL MutableTreeNode::getChildAt( sal_Int32 nChildIndex )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+
+ if( (nChildIndex < 0) || (nChildIndex >= static_cast<sal_Int32>(maChildren.size())) )
+ throw IndexOutOfBoundsException();
+ return getReference( maChildren[nChildIndex].get() );
+}
+
+sal_Int32 SAL_CALL MutableTreeNode::getChildCount( )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ return static_cast<sal_Int32>(maChildren.size());
+}
+
+Reference< XTreeNode > SAL_CALL MutableTreeNode::getParent( )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ return getReference( mpParent );
+}
+
+sal_Int32 SAL_CALL MutableTreeNode::getIndex( const Reference< XTreeNode >& xNode )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+
+ MutableTreeNodeRef xImpl( dynamic_cast< MutableTreeNode* >( xNode.get() ) );
+ if( xImpl.is() )
+ {
+ sal_Int32 nChildCount = maChildren.size();
+ while( nChildCount-- )
+ {
+ if( maChildren[nChildCount] == xImpl )
+ return nChildCount;
+ }
+ }
+
+ return -1;
+}
+
+sal_Bool SAL_CALL MutableTreeNode::hasChildrenOnDemand( )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ return mbHasChildrenOnDemand;
+}
+
+Any SAL_CALL MutableTreeNode::getDisplayValue( )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ return maDisplayValue;
+}
+
+OUString SAL_CALL MutableTreeNode::getNodeGraphicURL( )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ return maNodeGraphicURL;
+}
+
+OUString SAL_CALL MutableTreeNode::getExpandedGraphicURL( )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ return maExpandedGraphicURL;
+}
+
+OUString SAL_CALL MutableTreeNode::getCollapsedGraphicURL( )
+{
+ ::osl::Guard< ::osl::Mutex > aGuard( maMutex );
+ return maCollapsedGraphicURL;
+}
+
+OUString SAL_CALL MutableTreeNode::getImplementationName( )
+{
+ return "toolkit.MutableTreeNode";
+}
+
+sal_Bool SAL_CALL MutableTreeNode::supportsService( const OUString& ServiceName )
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+Sequence< OUString > SAL_CALL MutableTreeNode::getSupportedServiceNames( )
+{
+ Sequence<OUString> aSeq { "com.sun.star.awt.tree.MutableTreeNode" };
+ 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: */