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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: layerexport.hxx,v $
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#ifndef _XMLOFF_FORMS_LAYEREXPORT_HXX_
#define _XMLOFF_FORMS_LAYEREXPORT_HXX_

#ifndef _COM_SUN_STAR_UTIL_XNUMBERFORMATS_HPP_ 
#include <com/sun/star/util/XNumberFormats.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_XCONTROLMODEL_HPP_
#include <com/sun/star/awt/XControlModel.hpp>
#endif
#ifndef _XMLOFF_FORMS_CALLBACKS_HXX_
#include "callbacks.hxx"
#endif
#ifndef _XMLOFF_FORMS_IFACECOMPARE_HXX_
#include "ifacecompare.hxx"
#endif
namespace binfilter {

class SvXMLExport;
class SvXMLNumFmtExport;
class XMLPropertyHandlerFactory;
class SvXMLExportPropertyMapper;

//.........................................................................
namespace xmloff
{
//.........................................................................

	typedef ::std::set< ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >, ::comphelper::OInterfaceCompare< ::com::sun::star::beans::XPropertySet > >
			PropertySetBag;
	//=====================================================================
	//= OFormLayerXMLExport_Impl
	//=====================================================================
	/** the implementation class for OFormLayerXMLExport
	*/
	class OFormLayerXMLExport_Impl
				:public IFormsExportContext
	{
		friend class OFormLayerXMLExport;

	protected:
		SvXMLExport&		m_rContext;
		SvXMLNumFmtExport*	m_pControlNumberStyles;

		// ignore list for control models
		PropertySetBag		m_aIgnoreList;

		// style handling
		::vos::ORef< XMLPropertyHandlerFactory >	m_xPropertyHandlerFactory;
		::vos::ORef< SvXMLExportPropertyMapper >	m_xExportMapper;

		// we need our own number formats supplier:
		// Controls which have a number formats do not work with the formats supplier of the document they reside
		// in, instead they use the formats of the data source their form is associated with. If there is no
		// such form or no such data source, they work with an own formatter.
		// Even more, time and date fields do not work with a central formatter at all, they have their own one
		// (which is shared internally, but this is a (hidden) implementation detail.)
		//
		// To not contaminate the global (document) number formats supplier (which could be obtained from the context),
		// we have an own one.
		// (Contaminate means: If a user adds a user-defined format to a formatted field, this format is stored in
		// in the data source's formats supplier. To export this _and_ reuse existing structures, we would need to
		// add this format to the global (document) formats supplier.
		// In case of an export we could do some cleanup afterwards, but in case of an import, there is no such
		// chance, as (if other user-defined formats exist in the document as well) we can't distinguish
		// between user-defined formats really beeded for the doc (i.e. in a calc cell) and formats only added
		// to the supplier because the controls needed it.
		::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormats >
													m_xControlNumberFormats;

		DECLARE_STL_MAP( ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >, ::rtl::OUString, OPropertySetCompare, MapPropertySet2String);
			// maps objects (property sets) to strings, e.g. control ids.
		DECLARE_STL_MAP( ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >, MapPropertySet2String, ODrawPageCompare, MapPropertySet2Map);
			// map pages to maps (of property sets to strings)

		MapPropertySet2Map	m_aControlIds;
			// the control ids of all control on all pages we ever examined

		MapPropertySet2Map	m_aReferringControls;
			// for a given page (iter->first), and a given control (iter->second->first), this is the comma-separated
			// lists of ids of the controls refering to the control given.

		MapPropertySet2MapIterator
							m_aCurrentPageIds;
			// the iterator for the control id map for the page beeing handled
		MapPropertySet2MapIterator
							m_aCurrentPageReferring;
			// the same for the map of referring controls

		// TODO: To avoid this construct above, and to have a cleaner implementation, an class encapsulating the
		// export of a single page should be introduced.

		DECLARE_STL_MAP( ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >, sal_Int32, OPropertySetCompare, MapPropertySet2Int);
		MapPropertySet2Int	m_aControlNumberFormats;
			// maps controls to format keys, which are relative to our own formats supplier

		MapPropertySet2String	m_aGridColumnStyles;
			// style names of grid columns

	public:
		OFormLayerXMLExport_Impl(SvXMLExport& _rContext);

	protected:
		/** exports one single grid column
		*/
		void	exportGridColumn(
			const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxColumn,
			const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rEvents
			);

		/** exports one single control
		*/
		void	exportControl(
			const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl,
			const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rEvents
			);

		/** exports one single form
		*/
		void	exportForm(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxProps,
			const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rEvents
			);

		/** seek to the page given.

			<p>This must be called before you can retrieve any ids for controls on the page.</p>

			@see
				getControlId
		*/
		sal_Bool	seekPage(
			const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage);

		/** get the id of the given control.

			<p>You must have sought to the page of the control before calling this.</p>
		*/
		::rtl::OUString
				getControlId(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl);

		/** retrieves the style name for the control's number style.

			<p>For performance reasons, this method is allowed to be called for any controls, even those which
			do not have a number style. In this case, an empty string is returned.</p>
		*/
		::rtl::OUString
				getControlNumberStyle( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl );

		// IFormsExportContext
		virtual void										exportCollectionElements(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& _rxCollection);
		virtual SvXMLExport&								getGlobalContext();
		virtual ::rtl::OUString								getObjectStyleName(
			const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject );
		virtual ::vos::ORef< SvXMLExportPropertyMapper >	getStylePropertyMapper();

		/** clear any structures which have been build in the recent <method>examine</method> calls.
		*/
		void clear();

		/** examine a forms collection.

			<p>The method will collect control ids and add styles to the export context as necessary.</p>

			<p>Every control in the object hierarchy given will be assigned to a unique id, which is stored for later
			use.</p>

			<p>In addition, any references the controls may have between each other, are collected and stored for
			later use.</p>

			<p>Upon calling this method, the id map will be cleared before collecting the new ids, so any ids
			you collected previously will be lost</p>

			@param _rxDrawPage
				the draw page which's forms collection should be examined

			@see getControlId
			@see exportControl
			@see exportForms
		*/
		void examineForms(
			const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage);

		/** export a forms collection of a draw page

			<p>The method will obtain the forms collection of the page and call
			<method>exportCollectionElements</method>.</p>
		*/
		void exportForms(
			const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage);

		/** exports the automatic control number styles
		*/
		void	exportAutoControlNumberStyles();

		/** exports the auto-styles collected during the examineForms calls
		*/
		void exportAutoStyles();

	protected:
		sal_Bool implCheckPage(
			const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage,
			::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& _rxForms);

		/** moves the m_aCurrentPage* members to the positions specifying the given page.

			@return <TRUE/> if there already were structures for the given page
		*/
		sal_Bool implMoveIterators(
			const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage,
			sal_Bool _bClear);

		/** check the object given if it's a control, if so, examine it.
			@return <TRUE/> if the object has been handled
		*/
		sal_Bool checkExamineControl(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject);

		/** examines the control's number format, so later the format style can be referred

			<p>remembers the format key for the control, so it can later be asked for in getControlNumberStyle</p>
		*/
		void examineControlNumberFormat(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl);

		/** examines the control's number format, so later the format style can be referred

			<p>does not remember the information returned in any way</p>
		*/
		sal_Int32 implExamineControlNumberFormat( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject );

		/** collects AutoStyles for grid columns
		*/
		void collectGridAutoStyles( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl );

		/** ensures that the number format of the given control exist in our own formats supplier.

			<p>The given control is examined for it's format (i.e. it's FormatKey/FormatsSupplier properties),
			and the format is added (if necessary) to m_xControlNumberFormats</p>.

			@return
				the format key of the control's format relative to our own formats supplier

		*/
		sal_Int32	ensureTranslateFormat(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxFormattedControl);

		/// returns the instance exporting our control's number styles
		SvXMLNumFmtExport*	getControlNumberStyleExport();

		/// ensures that the instance exporting our control's number styles exists
		void				ensureControlNumberStyleExport();

		/** determines the number format style for the given object without remembering it
		*/
		::rtl::OUString
				getImmediateNumberStyle( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject );

		/** returns the prefix to be used for control number styles
		*/
		static const ::rtl::OUString& getControlNumberStyleNamePrefix();

		/** exclude the given control (model) from export.

			<p>If your document contains form controls which are not to be exported for whatever reason,
			you need to announce the models of these controls (can be retrieved from XControlShape::getControl)
			to the form layer exporter.<br/>
			Of course you have to do this before calling <member>exportForms</member></p>
		*/
		void excludeFromExport( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > _rxControl );
	};

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

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


