xref: /aoo4110/main/oox/source/drawingml/diagram/layoutnodecontext.cxx (revision b1cdbd2c)

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 *
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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#include "layoutnodecontext.hxx"

#include "oox/helper/attributelist.hxx"
#include "oox/drawingml/diagram/diagram.hxx"
#include "oox/drawingml/shapecontext.hxx"
#include "diagramdefinitioncontext.hxx"

using namespace ::oox::core;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
using ::rtl::OUString;

namespace oox { namespace drawingml {

class IfContext
	: public LayoutNodeContext
{
public:
    IfContext( ContextHandler& rParent,
			   const Reference< XFastAttributeList >& xAttribs,
			   const LayoutAtomPtr & pNode )
        : LayoutNodeContext( rParent, xAttribs, pNode )
		{
			ConditionAtomPtr pAtom( boost::dynamic_pointer_cast< ConditionAtom >(pNode) );
			OSL_ENSURE( pAtom, "Must pass a ConditionAtom" );

			pAtom->iterator().loadFromXAttr( xAttribs );
			pAtom->cond().loadFromXAttr( xAttribs );
		}
};



class AlgorithmContext
    : public ContextHandler
{
public:
    AlgorithmContext( ContextHandler& rParent, const Reference< XFastAttributeList >& xAttribs, const LayoutAtomPtr & pNode )
        : ContextHandler( rParent )
		, mnRevision( 0 )
		, mnType( 0 )
		, mpNode( pNode )
		{
			AttributeList aAttribs( xAttribs );
			mnRevision = aAttribs.getInteger( XML_rev, 0 );
			mnType = xAttribs->getOptionalValueToken( XML_type, 0 );
		}

private:
	sal_Int32     mnRevision;
	sal_Int32     mnType;
	LayoutAtomPtr mpNode;
};


class ChooseContext
    : public ContextHandler
{
public:
    ChooseContext( ContextHandler& rParent, const Reference< XFastAttributeList >& xAttribs, const LayoutAtomPtr & pNode )
        : ContextHandler( rParent )
		, mbHasElse( false )
		, mpNode( pNode )
		{
			msName = xAttribs->getOptionalValue( XML_name );
		}

	virtual Reference< XFastContextHandler > SAL_CALL
	createFastChildContext( ::sal_Int32 aElement,
							const Reference< XFastAttributeList >& xAttribs )
		throw (SAXException, RuntimeException)
		{
			Reference< XFastContextHandler > xRet;

			switch( aElement )
			{
			case XML_if:
			{
				// CT_When
				LayoutAtomPtr pAtom( new ConditionAtom( false ) );
				mpNode->addChild( pAtom );
                xRet.set( new IfContext( *this, xAttribs, pAtom ) );
				break;
			}
			case XML_else:
				// CT_Otherwise
				if( !mbHasElse )
				{
					LayoutAtomPtr pAtom( new ConditionAtom( true ) );
					mpNode->addChild( pAtom );
                    xRet.set( new IfContext( *this, xAttribs, pAtom ) );
					mbHasElse = true;
				}
				else
				{
					OSL_TRACE( "ignoring second else clause" );
				}
				break;
			default:
				break;
			}

			if( !xRet.is() )
				xRet.set(this);

			return xRet;
		}
private:
	bool     mbHasElse;
	OUString msName;
	LayoutAtomPtr mpNode;
};




class ForEachContext
	: public LayoutNodeContext
{
public:
    ForEachContext( ContextHandler& rParent, const Reference< XFastAttributeList >& xAttribs, const LayoutAtomPtr & pNode )
        : LayoutNodeContext( rParent, xAttribs, pNode )
		{
			ForEachAtomPtr pAtom( boost::dynamic_pointer_cast< ForEachAtom >(pNode) );
			OSL_ENSURE( pAtom, "Must pass a ForEachAtom" );
			xAttribs->getOptionalValue( XML_ref );

			pAtom->iterator().loadFromXAttr( xAttribs );
		}
};


// CT_LayoutVariablePropertySet
class LayoutVariablePropertySetContext
    : public ContextHandler
{
public:
    LayoutVariablePropertySetContext( ContextHandler& rParent, LayoutNode::VarMap & aVar )
        : ContextHandler( rParent )
		, mVariables( aVar )
		{
		}

	virtual ~LayoutVariablePropertySetContext()
		{
		}

	virtual Reference< XFastContextHandler > SAL_CALL createFastChildContext( ::sal_Int32 aElement, const Reference< XFastAttributeList >& xAttribs )
		throw (SAXException, RuntimeException)
		{
			Reference< XFastContextHandler > xRet;

            sal_Int32 nIdx =  LayoutNodeContext::tagToVarIdx( getBaseToken( aElement ) );
			if( nIdx != -1 )
			{
				mVariables[ nIdx ] = makeAny( xAttribs->getOptionalValue( XML_val ) );
			}
			if( !xRet.is() )
				xRet.set(this);

			return xRet;
		}
private:
	LayoutNode::VarMap & mVariables;
};


// CT_LayoutNode
LayoutNodeContext::LayoutNodeContext( ContextHandler& rParent,
									  const Reference< XFastAttributeList >& xAttribs,
									  const LayoutAtomPtr &pNode )
    : ContextHandler( rParent )
	, mpNode( pNode )
{
	OSL_ENSURE( pNode, "Node must NOT be NULL" );
	mpNode->setName( xAttribs->getOptionalValue( XML_name ) );
	// TODO shall we even bother?
	// b or t
//	sal_Int32 nChOrder = xAttributes->getOptionalValueToken( XML_chOrder, XML_b );
//	OUString sMoveWith = xAttributes->getOptionalValue( XML_moveWith );
//	OUString sStyleLbl = xAttributes->getOptionalValue( XML_styleLbl );
}


LayoutNodeContext::~LayoutNodeContext()
{
}

void SAL_CALL LayoutNodeContext::endFastElement( ::sal_Int32 )
	throw (SAXException, RuntimeException)
{

}

/** convert the XML tag to a variable index in the array
 * @param aTag the tag, wihout namespace
 * @return the variable index. -1 is an error
 */
sal_Int32 LayoutNodeContext::tagToVarIdx( sal_Int32 aTag )
{
	sal_Int32 nIdx = -1;
	switch( aTag )
	{
	case DGM_TOKEN( animLvl ):
		nIdx = LayoutNode::VAR_animLvl;
		break;
	case DGM_TOKEN( animOne ):
		nIdx = LayoutNode::VAR_animOne;
		break;
	case DGM_TOKEN( bulletEnabled ):
		nIdx = LayoutNode::VAR_bulletEnabled;
		break;
	case DGM_TOKEN( chMax ):
		nIdx = LayoutNode::VAR_chMax;
		break;
	case DGM_TOKEN( chPref ):
		nIdx = LayoutNode::VAR_chPref;
		break;
	case DGM_TOKEN( dir ):
		nIdx = LayoutNode::VAR_dir;
		break;
	case DGM_TOKEN( hierBranch ):
		nIdx = LayoutNode::VAR_hierBranch;
		break;
	case DGM_TOKEN( orgChart ):
		nIdx = LayoutNode::VAR_orgChart;
		break;
	case DGM_TOKEN( resizeHandles ):
		nIdx = LayoutNode::VAR_resizeHandles;
		break;
	default:
		break;
	}
	return nIdx;
}


Reference< XFastContextHandler > SAL_CALL
LayoutNodeContext::createFastChildContext( ::sal_Int32 aElement,
												  const Reference< XFastAttributeList >& xAttribs )
	throw (SAXException, RuntimeException)
{
	Reference< XFastContextHandler > xRet;

	switch( aElement )
	{
	case DGM_TOKEN( layoutNode ):
	{
		LayoutNodePtr pNode( new LayoutNode() );
		mpNode->addChild( pNode );
        xRet.set( new LayoutNodeContext( *this, xAttribs, pNode ) );
		break;
	}
	case DGM_TOKEN( shape ):
	{
		ShapePtr pShape( new Shape() );
        xRet.set( new ShapeContext( *this, ShapePtr(), pShape ) );
		break;
	}
	case DGM_TOKEN( extLst ):
        return xRet;
	case DGM_TOKEN( alg ):
	{
		// CT_Algorithm
		LayoutAtomPtr pAtom( new AlgAtom );
		mpNode->addChild( pAtom );
        xRet.set( new AlgorithmContext( *this, xAttribs, pAtom ) );
		break;
	}
	case DGM_TOKEN( choose ):
	{
		// CT_Choose
		LayoutAtomPtr pAtom( new ChooseAtom );
		mpNode->addChild( pAtom );
        xRet.set( new ChooseContext( *this, xAttribs, pAtom ) );
 		break;
	}
	case DGM_TOKEN( forEach ):
	{
		// CT_ForEach
		LayoutAtomPtr pAtom( new ForEachAtom );
		mpNode->addChild( pAtom );
        xRet.set( new ForEachContext( *this, xAttribs, pAtom ) );
		break;
	}
	case DGM_TOKEN( constrLst ):
		// CT_Constraints
		// TODO
		break;
	case DGM_TOKEN( presOf ):
	{
		// CT_PresentationOf
		// TODO
		xAttribs->getOptionalValue( XML_axis );
		xAttribs->getOptionalValue( XML_cnt );
		xAttribs->getOptionalValue( XML_hideLastTrans );
		xAttribs->getOptionalValue( XML_ptType );
		xAttribs->getOptionalValue( XML_st );
		xAttribs->getOptionalValue( XML_step );
		break;
	}
	case DGM_TOKEN( ruleLst ):
		// CT_Rules
		// TODO
		break;
	case DGM_TOKEN( varLst ):
	{
		LayoutNodePtr pNode( boost::dynamic_pointer_cast< LayoutNode >( mpNode ) );
		if( pNode )
		{
            xRet.set( new LayoutVariablePropertySetContext( *this, pNode->variables() ) );
		}
		else
		{
			OSL_TRACE( "OOX: encountered a varLst in a non layoutNode context" );
		}
		break;
	}
	default:
		break;
	}
	if( !xRet.is() )
		xRet.set(this);

	return xRet;
}


} }