xref: /AOO41X/main/xmloff/source/forms/elementexport.hxx (revision ecfe53c5d1886e1e0d215b0d140d05282ab1c477) !
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21 
22 
23 
24 #ifndef _XMLOFF_ELEMENTEXPORT_HXX_
25 #define _XMLOFF_ELEMENTEXPORT_HXX_
26 
27 #include <com/sun/star/beans/XPropertySet.hpp>
28 #include <com/sun/star/container/XIndexAccess.hpp>
29 #include <com/sun/star/script/ScriptEventDescriptor.hpp>
30 #include "propertyexport.hxx"
31 #include "callbacks.hxx"
32 #include "controlelement.hxx"
33 #include "valueproperties.hxx"
34 
35 class SvXMLElementExport;
36 //.........................................................................
37 namespace xmloff
38 {
39 //.........................................................................
40 
41     //=====================================================================
42     //= OElementExport
43     //=====================================================================
44     class OElementExport : public OPropertyExport
45     {
46     protected:
47         ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >
48                                 m_aEvents;
49 
50         SvXMLElementExport*     m_pXMLElement;          // XML element doing the concrete startElement etc.
51 
52     public:
53         OElementExport(IFormsExportContext& _rContext,
54             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxProps,
55             const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rEvents);
56         virtual ~OElementExport();
57 
58         void doExport();
59 
60     protected:
61         /// get the name of the XML element
62         virtual const sal_Char* getXMLElementName() const = 0;
63         /// examine the element we're exporting
64         virtual void examine();
65         /// export the attributes
66         virtual void exportAttributes();
67         /// export any sub tags
68         virtual void exportSubTags();
69 
70         /** exports the events (as script:events tag)
71         */
72         void exportEvents();
73 
74         /** add the service-name attribute to the export context
75         */
76         virtual void exportServiceNameAttribute();
77 
78         /// start the XML element
79         virtual void implStartElement(const sal_Char* _pName);
80 
81         /// ends the XML element
82         virtual void implEndElement();
83     };
84 
85     //=====================================================================
86     //= OControlExport
87     //=====================================================================
88     /** Helper class for handling xml elements representing a form control
89     */
90     class OControlExport
91                 :public OControlElement
92                 ,public OValuePropertiesMetaData
93                 ,public OElementExport
94     {
95     protected:
96         DECLARE_STL_STDKEY_SET(sal_Int16, Int16Set);
97             // used below
98 
99         ::rtl::OUString         m_sControlId;           // the control id to use when exporting
100         ::rtl::OUString         m_sReferringControls;   // list of referring controls (i.e. their id's)
101         sal_Int16               m_nClassId;             // class id of the control we're representing
102         ElementType             m_eType;                // (XML) type of the control we're representing
103         sal_Int32               m_nIncludeCommon;       // common control attributes to include
104         sal_Int32               m_nIncludeDatabase;     // common database attributes to include
105         sal_Int32               m_nIncludeSpecial;      // special attributes to include
106         sal_Int32               m_nIncludeEvents;       // events to include
107         sal_Int32               m_nIncludeBindings;     // binding attributes to include
108 
109         SvXMLElementExport*     m_pOuterElement;        // XML element doing the concrete startElement etc. for the outer element
110 
111     public:
112         /** constructs an object capable of exporting controls
113 
114             <p>You need at least two pre-requisites from outside: The control to be exported needs to have a class id
115             assigned, and you need the list control-ids of all the controls referring to this one as LabelControl.<br/>
116             This information can't be collected when known only the control itself and not it's complete context.</p>
117 
118             @param _rControlId
119                 the control id to use when exporting the control
120             @param _rReferringControls
121                 the comma-separated list of control-ids of all the controls referring to this one as LabelControl
122         */
123         OControlExport(IFormsExportContext& _rContext,
124             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl,
125             const ::rtl::OUString& _rControlId,
126             const ::rtl::OUString& _rReferringControls,
127             const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rxEvents);
128         ~OControlExport();
129 
130     protected:
131         /// start the XML element
132         virtual void implStartElement(const sal_Char* _pName);
133 
134         /// ends the XML element
135         virtual void implEndElement();
136 
137         /// get the name of the outer XML element
138         virtual const sal_Char* getOuterXMLElementName() const;
139 
140         // get the name of the XML element
141         virtual const sal_Char* getXMLElementName() const;
142 
143         /** examine the control. Some kind of CtorImpl.
144         */
145         virtual void examine();
146 
147         /// exports the attributes for the outer element
148         void exportOuterAttributes();
149 
150         /// exports the attributes for the inner element
151         void exportInnerAttributes();
152 
153         /// export the attributes
154         virtual void exportAttributes();
155 
156         /** writes everything which needs to be represented as sub tag
157         */
158         void exportSubTags() throw (::com::sun::star::uno::Exception);
159 
160         /** adds the attributes which are handled via generic IPropertyHandlers
161 
162             <p>In the future, this really should be *all* attribiutes, instead of this shitload of
163             hand-crafted code we have currently ...</p>
164         */
165         void exportGenericHandlerAttributes();
166 
167         /** adds common control attributes to the XMLExport context given
168 
169             <p>The attribute list of the context is not cleared initially, this is the responsibility of the caller.</p>
170         */
171         void exportCommonControlAttributes();
172 
173         /** adds database attributes to the XMLExport context given
174 
175             <p>The attribute list of the context is not cleared initially, this is the responsibility of the caller.</p>
176         */
177         void exportDatabaseAttributes();
178 
179         /** adds the XML attributes which are related to binding controls to
180             external values and/or list sources
181         */
182         void exportBindingAtributes();
183 
184         /** adds attributes which are special to a control type to the export context's attribute list
185         */
186         void exportSpecialAttributes();
187 
188         /** exports the ListSource property of a control as attribute
189 
190             The ListSource property may be exported in different ways: For a ComboBox, it is an attribute
191             of the form:combobox element.
192 
193             For a ListBox, it's an attribute if the ListSourceType states that the ListBox does <em>not</em>
194             display a value list. In case of a value list, the ListSource is not exported, and the pairs of
195             StringItem/ValueItem are exported as sub-elements.
196 
197             This method does the attribute part: It exports the ListSource property as attribute, not caring
198             about whether the object is a ComboBox or a ListBox.
199         */
200         void exportListSourceAsAttribute();
201 
202         /** exports the ListSource property of a control as XML elements
203 
204             @see exportListSourceAsAttribute
205         */
206         void exportListSourceAsElements();
207 
208         /** get's a Sequence&lt; sal_Int16 &gt; property value as set of sal_Int16's
209             @param _rPropertyName
210                 the property name to use
211             @param _rOut
212                 out parameter. The set of integers.
213         */
214         void getSequenceInt16PropertyAsSet(const ::rtl::OUString& _rPropertyName, Int16Set& _rOut);
215 
216         /** exports the attribute which descrives a cell value binding of a control
217             in a spreadsheet document
218         */
219         void exportCellBindingAttributes( bool _bIncludeListLinkageType );
220 
221         /** exports the attribute(s) which bind this control to XForms */
222         void exportXFormsBindAttributes();
223 
224         /** exports the attribute(s) which bind the list of a list
225             control to XForms */
226         void exportXFormsListAttributes();
227 
228         /** exports the attribute(s) for an XForms submission */
229         void exportXFormsSubmissionAttributes();
230 
231         /** exports the attribute which descrives a cell range which acts as list source for
232             a list-like control
233         */
234         void exportCellListSourceRange( );
235 
236         /** exports the attribut(s) for the ImagePosition property
237         */
238         void exportImagePositionAttributes();
239 
240         /** determines whether the control we're exporting has an active data binding.
241 
242             Bindings which count here are:
243             <ul><li>an established connection to a database field</li>
244                 <li>a binding to an external value supplier (<type scope="com::sun::star::form::binding">XValueBinding</type>)</li>
245             </ul>
246         */
247         bool controlHasActiveDataBinding() const;
248 
249         /** retrieves the string specifying the ListSource of a list or combo box
250         */
251         ::rtl::OUString getScalarListSourceValue() const;
252 
253         /** determines whether the list entries (of a combo or list box) are supplied by the user
254 
255             List entries may be
256             <ul><li>specified by the user</li>
257                 <li>specified by an external list source (<type scope="com::sun::star::form::binding">XListEntrySource</type>)</li>
258                 <li>obtained from a database query (in various ways)</li>
259             </ul>
260 
261             In the latter two cases, this method will return <FALSE/>
262         */
263         bool controlHasUserSuppliedListEntries() const;
264     };
265 
266     //=====================================================================
267     //= OColumnExport
268     //=====================================================================
269     /** Helper class for exporting a grid column
270     */
271     class OColumnExport : public OControlExport
272     {
273     public:
274         /** ctor
275             @see OColumnExport::OColumnExport
276         */
277         OColumnExport(IFormsExportContext& _rContext,
278             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControl,
279             const ::rtl::OUString& _rControlId,
280             const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rxEvents);
281 
282         ~OColumnExport();
283 
284     protected:
285         // OControlExport overridables
286         virtual const sal_Char* getOuterXMLElementName() const;
287         virtual void exportServiceNameAttribute();
288         virtual void exportAttributes();
289 
290         // OElementExport overridables
291         virtual void examine();
292     };
293 
294     //=====================================================================
295     //= OFormExport
296     //=====================================================================
297     /** Helper class for handling xml elements representing a form
298 
299         <p>In opposite to the class <type>OControlExport</type>, OFormExport is unable to export a <em>complete</em>
300         form. Instead the client has to care for sub elements of the form itself.</p>
301     */
302     class OFormExport
303                 :public OControlElement
304                 ,public OElementExport
305     {
306         sal_Bool m_bCreateConnectionResourceElement;
307     public:
308         /** constructs an object capable of exporting controls
309         */
310         OFormExport(IFormsExportContext& _rContext,
311             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxForm,
312             const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& _rxEvents
313             );
314 
315     protected:
316         virtual const sal_Char* getXMLElementName() const;
317         virtual void exportSubTags();
318         virtual void exportAttributes();
319     };
320 //.........................................................................
321 }   // namespace xmloff
322 //.........................................................................
323 
324 #endif // _XMLOFF_ELEMENTEXPORT_HXX_
325 
326