xref: /trunk/main/xmloff/source/forms/layerexport.hxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 #ifndef _XMLOFF_FORMS_LAYEREXPORT_HXX_
29 #define _XMLOFF_FORMS_LAYEREXPORT_HXX_
30 
31 #include <com/sun/star/container/XIndexAccess.hpp>
32 #include <com/sun/star/script/ScriptEventDescriptor.hpp>
33 #include <com/sun/star/util/XNumberFormats.hpp>
34 #include <com/sun/star/awt/XControlModel.hpp>
35 #include "callbacks.hxx"
36 #include "ifacecompare.hxx"
37 #include <vos/ref.hxx>
38 
39 class SvXMLExport;
40 class SvXMLNumFmtExport;
41 class XMLPropertyHandlerFactory;
42 class SvXMLExportPropertyMapper;
43 
44 //.........................................................................
45 namespace xmloff
46 {
47 //.........................................................................
48 
49     typedef ::std::set  <   ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
50                         ,   OPropertySetCompare
51                         >   PropertySetBag;
52 
53     // maps objects (property sets) to strings, e.g. control ids.
54     typedef ::std::map  <   ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
55                         ,   ::rtl::OUString
56                         ,   OPropertySetCompare
57                         >   MapPropertySet2String;
58 
59     // map pages to maps (of property sets to strings)
60     typedef ::std::map  <   ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >
61                         ,   MapPropertySet2String
62                         ,   ODrawPageCompare
63                         >   MapPropertySet2Map;
64 
65     //=====================================================================
66     //= OFormLayerXMLExport_Impl
67     //=====================================================================
68     /** the implementation class for OFormLayerXMLExport
69     */
70     class OFormLayerXMLExport_Impl
71                 :public IFormsExportContext
72     {
73         friend class OFormLayerXMLExport;
74 
75     protected:
76         SvXMLExport&        m_rContext;
77         SvXMLNumFmtExport*  m_pControlNumberStyles;
78 
79         // ignore list for control models
80         PropertySetBag      m_aIgnoreList;
81 
82         // style handling
83         ::vos::ORef< XMLPropertyHandlerFactory >    m_xPropertyHandlerFactory;
84         ::vos::ORef< SvXMLExportPropertyMapper >    m_xStyleExportMapper;
85 
86         // we need our own number formats supplier:
87         // Controls which have a number formats do not work with the formats supplier of the document they reside
88         // in, instead they use the formats of the data source their form is associated with. If there is no
89         // such form or no such data source, they work with an own formatter.
90         // Even more, time and date fields do not work with a central formatter at all, they have their own one
91         // (which is shared internally, but this is a (hidden) implementation detail.)
92         //
93         // To not contaminate the global (document) number formats supplier (which could be obtained from the context),
94         // we have an own one.
95         // (Contaminate means: If a user adds a user-defined format to a formatted field, this format is stored in
96         // in the data source's formats supplier. To export this _and_ reuse existing structures, we would need to
97         // add this format to the global (document) formats supplier.
98         // In case of an export we could do some cleanup afterwards, but in case of an import, there is no such
99         // chance, as (if other user-defined formats exist in the document as well) we can't distinguish
100         // between user-defined formats really needed for the doc (i.e. in a calc cell) and formats only added
101         // to the supplier because the controls needed it.
102         ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormats >
103                                                     m_xControlNumberFormats;
104 
105         MapPropertySet2Map  m_aControlIds;
106             // the control ids of all controls on all pages we ever examined
107 
108         MapPropertySet2Map  m_aReferringControls;
109             // for a given page (iter->first), and a given control (iter->second->first), this is the comma-separated
110             // lists of ids of the controls refering to the control given.
111 
112         MapPropertySet2Map::iterator
113                             m_aCurrentPageIds;
114             // the iterator for the control id map for the page beeing handled
115         MapPropertySet2Map::iterator
116                             m_aCurrentPageReferring;
117             // the same for the map of referring controls
118 
119         // TODO: To avoid this construct above, and to have a cleaner implementation, an class encapsulating the
120         // export of a single page should be introduced.
121 
122         DECLARE_STL_MAP( ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >, sal_Int32, OPropertySetCompare, MapPropertySet2Int);
123         MapPropertySet2Int  m_aControlNumberFormats;
124             // maps controls to format keys, which are relative to our own formats supplier
125 
126         MapPropertySet2String   m_aGridColumnStyles;
127             // style names of grid columns
128 
129     public:
130         OFormLayerXMLExport_Impl(SvXMLExport& _rContext);
131         virtual ~OFormLayerXMLExport_Impl();
132 
133     protected:
134         /** exports one single grid column
135         */
136         void    exportGridColumn(
137             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxColumn,
138             const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rEvents
139             );
140 
141         /** exports one single control
142         */
143         void    exportControl(
144             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl,
145             const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rEvents
146             );
147 
148         /** exports one single form
149         */
150         void    exportForm(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxProps,
151             const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rEvents
152             );
153 
154         /** seek to the page given.
155 
156             <p>This must be called before you can retrieve any ids for controls on the page.</p>
157 
158             @see
159                 getControlId
160         */
161         sal_Bool    seekPage(
162             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage);
163 
164         /** get the id of the given control.
165 
166             <p>You must have sought to the page of the control before calling this.</p>
167         */
168         ::rtl::OUString
169                 getControlId(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl);
170 
171         /** retrieves the style name for the control's number style.
172 
173             <p>For performance reasons, this method is allowed to be called for any controls, even those which
174             do not have a number style. In this case, an empty string is returned.</p>
175         */
176         ::rtl::OUString
177                 getControlNumberStyle( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl );
178 
179         // IFormsExportContext
180         virtual void                                        exportCollectionElements(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& _rxCollection);
181         virtual SvXMLExport&                                getGlobalContext();
182         virtual ::rtl::OUString                             getObjectStyleName(
183             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject );
184         virtual ::vos::ORef< SvXMLExportPropertyMapper >    getStylePropertyMapper();
185 
186         /** clear any structures which have been build in the recent <method>examine</method> calls.
187         */
188         void clear();
189 
190         /** examine a forms collection.
191 
192             <p>The method will collect control ids and add styles to the export context as necessary.</p>
193 
194             <p>Every control in the object hierarchy given will be assigned to a unique id, which is stored for later
195             use.</p>
196 
197             <p>In addition, any references the controls may have between each other, are collected and stored for
198             later use.</p>
199 
200             <p>Upon calling this method, the id map will be cleared before collecting the new ids, so any ids
201             you collected previously will be lost</p>
202 
203             @param _rxDrawPage
204                 the draw page which's forms collection should be examined
205 
206             @see getControlId
207             @see exportControl
208             @see exportForms
209         */
210         void examineForms(
211             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage);
212 
213         /** export a forms collection of a draw page
214 
215             <p>The method will obtain the forms collection of the page and call
216             <method>exportCollectionElements</method>.</p>
217         */
218         void exportForms(
219             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage);
220 
221         /** exports the XForms model data
222         */
223         void exportXForms() const;
224 
225         /** determines whether the given page contains logical forms
226         */
227         bool pageContainsForms( const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage ) const;
228 
229         /** determines whether the given page contains XForm instances
230         */
231         bool documentContainsXForms() const;
232 
233         /** exports the controls number styles
234         */
235         void    exportControlNumberStyles();
236 
237         /** exports the automatic control number styles
238         */
239         void    exportAutoControlNumberStyles();
240 
241         /** exports the auto-styles collected during the examineForms calls
242         */
243         void exportAutoStyles();
244 
245     protected:
246         sal_Bool impl_isFormPageContainingForms(
247             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage,
248             ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& _rxForms);
249 
250         /** moves the m_aCurrentPage* members to the positions specifying the given page.
251 
252             @return <TRUE/> if there already were structures for the given page
253         */
254         sal_Bool implMoveIterators(
255             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& _rxDrawPage,
256             sal_Bool _bClear);
257 
258         /** check the object given if it's a control, if so, examine it.
259             @return <TRUE/> if the object has been handled
260         */
261         sal_Bool checkExamineControl(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject);
262 
263         /** examines the control's number format, so later the format style can be referred
264 
265             <p>remembers the format key for the control, so it can later be asked for in getControlNumberStyle</p>
266         */
267         void examineControlNumberFormat(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl);
268 
269         /** examines the control's number format, so later the format style can be referred
270 
271             <p>does not remember the information returned in any way</p>
272         */
273         sal_Int32 implExamineControlNumberFormat( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject );
274 
275         /** collects AutoStyles for grid columns
276         */
277         void collectGridColumnStylesAndIds( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl );
278 
279         /** ensures that the number format of the given control exist in our own formats supplier.
280 
281             <p>The given control is examined for it's format (i.e. it's FormatKey/FormatsSupplier properties),
282             and the format is added (if necessary) to m_xControlNumberFormats</p>.
283 
284             @return
285                 the format key of the control's format relative to our own formats supplier
286 
287         */
288         sal_Int32   ensureTranslateFormat(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxFormattedControl);
289 
290         /// returns the instance exporting our control's number styles
291         SvXMLNumFmtExport*  getControlNumberStyleExport();
292 
293         /// ensures that the instance exporting our control's number styles exists
294         void                ensureControlNumberStyleExport();
295 
296         /** determines the number format style for the given object without remembering it
297         */
298         ::rtl::OUString
299                 getImmediateNumberStyle( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject );
300 
301         /** returns the prefix to be used for control number styles
302         */
303         static const ::rtl::OUString& getControlNumberStyleNamePrefix();
304 
305         /** exclude the given control (model) from export.
306 
307             <p>If your document contains form controls which are not to be exported for whatever reason,
308             you need to announce the models of these controls (can be retrieved from XControlShape::getControl)
309             to the form layer exporter.<br/>
310             Of course you have to do this before calling <member>exportForms</member></p>
311         */
312         void excludeFromExport( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > _rxControl );
313     };
314 
315 //.........................................................................
316 }   // namespace xmloff
317 //.........................................................................
318 
319 #endif // _XMLOFF_FORMS_LAYEREXPORT_HXX_
320 
321