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 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: elementexport.hxx,v $
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#ifndef _XMLOFF_ELEMENTEXPORT_HXX_
#define _XMLOFF_ELEMENTEXPORT_HXX_

#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
#include <com/sun/star/beans/XPropertySet.hpp>
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XINDEXACCESS_HPP_
#include <com/sun/star/container/XIndexAccess.hpp>
#endif
#ifndef _COM_SUN_STAR_SCRIPT_SCRIPTEVENTDESCRIPTOR_HPP_
#include <com/sun/star/script/ScriptEventDescriptor.hpp>
#endif
#ifndef _XMLOFF_FORMS_PROPERTYEXPORT_HXX_
#include "propertyexport.hxx"
#endif
#ifndef _XMLOFF_FORMS_CALLBACKS_HXX_
#include "callbacks.hxx"
#endif
#ifndef _XMLOFF_FORMS_CONTROLELEMENT_HXX_
#include "controlelement.hxx"
#endif
#ifndef _XMLOFF_FORMS_VALUEPROPERTIES_HXX_
#include "valueproperties.hxx"
#endif
namespace binfilter {

class SvXMLElementExport;
//.........................................................................
namespace xmloff
{
//.........................................................................

	//=====================================================================
	//= OElementExport
	//=====================================================================
	class OElementExport : public OPropertyExport
	{
	protected:
		::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >
								m_aEvents;

		SvXMLElementExport*		m_pXMLElement;			// XML element doing the concrete startElement etc.

	public:
		OElementExport(IFormsExportContext& _rContext,
			const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxProps,
			const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rEvents);
		~OElementExport();

		void doExport();

	protected:
		/// get the name of the XML element
		virtual const sal_Char* getXMLElementName() const = 0;
		/// examine the element we're exporting
		virtual void examine();
		/// export the attributes
		virtual void exportAttributes();
		/// export any sub tags
		virtual void exportSubTags();

		/** exports the events (as script:events tag)
		*/
		void exportEvents();

		/** add the service-name attribute to the export context
		*/
		virtual void exportServiceNameAttribute();

		/// start the XML element
		virtual void implStartElement(const sal_Char* _pName);

		/// ends the XML element
		virtual void implEndElement();
	};

	//=====================================================================
	//= OControlExport
	//=====================================================================
	/** Helper class for handling xml elements representing a form control
	*/
	class OControlExport
				:public OControlElement
				,public OValuePropertiesMetaData
				,public OElementExport
	{
	protected:
		DECLARE_STL_STDKEY_SET(sal_Int16, Int16Set);
			// used below

		::rtl::OUString			m_sControlId;			// the control id to use when exporting
		::rtl::OUString			m_sReferringControls;	// list of referring controls (i.e. their id's)
		sal_Int16				m_nClassId;				// class id of the control we're representing
		ElementType				m_eType;				// (XML) type of the control we're representing
		sal_Int32				m_nIncludeCommon;		// common control attributes to include
		sal_Int32				m_nIncludeDatabase;		// common database attributes to include
		sal_Int32				m_nIncludeSpecial;		// special attributes to include
		sal_Int32				m_nIncludeEvents;		// events to include
		sal_Int32               m_nIncludeBindings;	    // binding attributes to include

		SvXMLElementExport*		m_pOuterElement;		// XML element doing the concrete startElement etc. for the outer element

	public:
		/** constructs an object capable of exporting controls

			<p>You need at least two pre-requisites from outside: The control to be exported needs to have a class id
			assigned, and you need the list control-ids of all the controls referring to this one as LabelControl.<br/>
			This information can't be collected when known only the control itself and not it's complete context.</p>

			@param _rControlId
				the control id to use when exporting the control
			@param _rReferringControls
				the comma-separated list of control-ids of all the controls referring to this one as LabelControl
		*/
		OControlExport(IFormsExportContext& _rContext,
			const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl,
			const ::rtl::OUString& _rControlId,
			const ::rtl::OUString& _rReferringControls,
			const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rxEvents);
		~OControlExport();

	protected:
		/// start the XML element
		virtual void implStartElement(const sal_Char* _pName);

		/// ends the XML element
		virtual void implEndElement();

		/// get the name of the outer XML element
		virtual const sal_Char* getOuterXMLElementName() const;

		// get the name of the XML element
		virtual const sal_Char* getXMLElementName() const;

		/** examine the control. Some kind of CtorImpl.
		*/
		virtual void examine();

		/// exports the attributes for the outer element
		void exportOuterAttributes();

		/// exports the attributes for the inner element
		void exportInnerAttributes();

		/// export the attributes
		virtual void exportAttributes();

		/** writes everything which needs to be represented as sub tag
		*/
		void exportSubTags() throw (::com::sun::star::uno::Exception);

		/**	adds common control attributes to the XMLExport context given

			<p>The attribute list of the context is not cleared initially, this is the responsibility of the caller.</p>
		*/
		void exportCommonControlAttributes();

		/**	adds database attributes to the XMLExport context given

			<p>The attribute list of the context is not cleared initially, this is the responsibility of the caller.</p>
		*/
		void exportDatabaseAttributes();

		/**	adds the XML attributes which are related to binding controls to
            external values and/or list sources
		*/
		void exportBindingAtributes();

		/** adds attributes which are special to a control type to the export context's attribute list
		*/
		void exportSpecialAttributes();

		/** exports the ListSource property of a control as attribute

			<p>The ListSource property may be exported in different ways: For a ComboBox, it is an attribute
			of the form:combobox element.</p>

			<p>For a ListBox, it's an attribute if the ListSourceType states that the ListBox does <em>not</em>
			display a value list. In case of a value list, the ListSource is not exported, and the pairs of
			StringItem/ValueItem are exported as sub-elements.<br/>
			(For a value list ListBox, As every setting of the ListSource immediately sets the ValueList to the
			same value, so nothing is lost when exporting this).</p>

			<p>It's really strange, isn't it? Don't know why we have this behaviour in our controls ...</p>

			<p>This method does the attribute part: It exports the ListSource property as attribute, not caring
			about whether the object is a ComboBox or a ListBox.</p>
		*/
		void exportListSourceAsAttribute();

		/** exports the ListSource property of a control as XML elements

			@see exportListSourceAsAttribute
		*/
		void exportListSourceAsElements();

		/** get's a Sequence&lt; sal_Int16 &gt; property value as set of sal_Int16's
			@param _rPropertyName
				the property name to use
			@param _rOut
				out parameter. The set of integers.
		*/
		void getSequenceInt16PropertyAsSet(const ::rtl::OUString& _rPropertyName, Int16Set& _rOut);

        /** exports the attribute which descrives a cell value binding of a control
            in a spreadsheet document
        */
        void exportCellBindingAttributes( bool _bIncludeListLinkageType );

        /** exports the attribute which descrives a cell range which acts as list source for
            a list-like control
        */
        void exportCellListSourceRange( );
	};

	//=====================================================================
	//= OColumnExport
	//=====================================================================
	/** Helper class for exporting a grid column
	*/
	class OColumnExport : public OControlExport
	{
	public:
		/** ctor
			@see OColumnExport::OColumnExport
		*/
		OColumnExport(IFormsExportContext& _rContext, 
			const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl,
			const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rxEvents);

		~OColumnExport();

	protected:
		// OControlExport overridables
		virtual const sal_Char* getOuterXMLElementName() const;
		virtual void exportServiceNameAttribute();
		virtual void exportAttributes();

		// OElementExport overridables
		virtual void examine();
	};

	//=====================================================================
	//= OFormExport
	//=====================================================================
	/** Helper class for handling xml elements representing a form

		<p>In opposite to the class <type>OControlExport</type>, OFormExport is unable to export a <em>complete</em>
		form. Instead the client has to care for sub elements of the form itself.</p>
	*/
	class OFormExport
				:public OControlElement
				,public OElementExport
	{
	public:
		/** constructs an object capable of exporting controls
		*/
		OFormExport(IFormsExportContext& _rContext,
			const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxForm,
			const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rxEvents
			);

	protected:
		virtual const sal_Char* getXMLElementName() const;
		virtual void exportSubTags();
		virtual void exportAttributes();
	};

//.........................................................................
}	// namespace xmloff
//.........................................................................

}//end of namespace binfilter
#endif // _XMLOFF_ELEMENTEXPORT_HXX_

