xref: /AOO41X/main/xmloff/source/forms/propertyexport.hxx (revision ecfe53c5d1886e1e0d215b0d140d05282ab1c477) !
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21 
22 
23 
24 #ifndef _XMLOFF_FORMS_PROPERTYEXPORT_HXX_
25 #define _XMLOFF_FORMS_PROPERTYEXPORT_HXX_
26 
27 #include "formattributes.hxx"
28 #include <comphelper/stl_types.hxx>
29 #include <com/sun/star/beans/XPropertySet.hpp>
30 #include <com/sun/star/beans/XPropertyState.hpp>
31 #include <callbacks.hxx>
32 #include <xmloff/xmlexp.hxx>
33 #include "callbacks.hxx"
34 #include "strings.hxx"
35 
36 //.........................................................................
37 namespace xmloff
38 {
39 //.........................................................................
40 
41 #define BOOLATTR_DEFAULT_FALSE          0x00
42 #define BOOLATTR_DEFAULT_TRUE           0x01
43 #define BOOLATTR_DEFAULT_VOID           0x02
44 #define BOOLATTR_DEFAULT_MASK           0x03
45 
46 #define BOOLATTR_INVERSE_SEMANTICS      0x04
47     // if sal_True, indicates that the semantic of the property refered by <arg>_pPropertyName</arg>
48     // is inverse to the semantic of the XML attribute.<br/>
49     // I.e. if the property value is <TRUE/>, <FALSE/> has to be written and vice versa.
50     // <p>Be careful with <arg>_bDefault</arg> and <arg>_bInverseSemantics</arg>: if <arg>_bInverseSemantics</arg>
51     // is <TRUE/>, the current property value is inverted <em>before</em> comparing it to the default.</p>
52 
53     class IFormsExportContext;
54     //=====================================================================
55     //= OPropertyExport
56     //=====================================================================
57     /** provides export related tools for attribute handling
58 
59         <p>(The name is somewhat misleading. It's not only a PropertyExport, but in real a ElementExport.
60         Anyway.)</p>
61     */
62     class OPropertyExport
63     {
64     private:
65         DECLARE_STL_STDKEY_SET(::rtl::OUString, StringSet);
66         StringSet       m_aRemainingProps;
67             // see examinePersistence
68 
69         void exportRelativeTargetLocation(const ConstAsciiString& _sPropertyName,sal_Int32 _nProperty,bool _bAddType);
70 
71     protected:
72         IFormsExportContext&    m_rContext;
73 
74         const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
75                                 m_xProps;
76         const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySetInfo >
77                                 m_xPropertyInfo;
78         const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyState >
79                                 m_xPropertyState;
80 
81         // caching
82         ::rtl::OUString     m_sValueTrue;
83         ::rtl::OUString     m_sValueFalse;
84 
85     public:
86         /** constructs an object capable of handling attributes for export
87             @param  _rContext
88                 the export context to which's attribute list the property translation should be added
89             @param  m_xControl
90                 the property set to be exported
91         */
92         OPropertyExport(IFormsExportContext& _rContext,
93             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxProps);
94 
95     protected:
96         /** examines a property set given for all properties which's value are to made persistent
97 
98             <p>upon return the <method>m_aRemainingProps</method> will be filled with the names of all properties
99             which need to be stored</p>
100         */
101         void examinePersistence();
102 
103         /**
104         */
105         void exportRemainingProperties();
106 
107         /** indicates that a property has been handled by a derived class, without using the helper methods of this
108             class.
109 
110             <p>Calling this method is necessary in case you use the suggested mechanism for the generic export of
111             properties. This means that you want to use <method>exportRemainingProperties</method>, which exports
112             all properties which need to ('cause they haven't been exported with one of the other type-specific
113             methods).</p>
114 
115             <p>In this case you should call exportedProperty for every property you export yourself, so the property
116             will be flagged as <em>already handled</em></p>
117         */
exportedProperty(const::rtl::OUString & _rPropertyName)118         void exportedProperty(const ::rtl::OUString& _rPropertyName)
119             { m_aRemainingProps.erase(_rPropertyName); }
120 
121         /** add an attribute which is represented by a string property to the export context
122 
123             @param _nNamespaceKey
124                 the key of the namespace to use for the attribute name. Is used with the namespace map
125                 provided by the export context.
126             @param _pAttributeName
127                 the name of the attribute to add. Must not contain any namespace
128             @param _pPropertyName
129                 the name of the property to ask the control for
130         */
131         void exportStringPropertyAttribute(
132             const sal_uInt16 _nNamespaceKey,
133             const sal_Char* _pAttributeName,
134             const ::rtl::OUString& _rPropertyName
135         );
136 
137         /** add an attribute which is represented by a boolean property to the export context
138 
139             @param _nNamespaceKey
140                 the key of the namespace to use for the attribute name. Is used with the namespace map
141                 provided by the export context.
142             @param _pAttributeName
143                 the name of the attribute to add. Must not contain any namespace (it's added automatically)
144             @param _pPropertyName
145                 the name of the property to ask the control for
146             @param _nBooleanAttributeFlags
147                 specifies the default and the "alignment" (inverse semantics) of the boolean property
148         */
149         void exportBooleanPropertyAttribute(
150             const sal_uInt16 _nNamespaceKey,
151             const sal_Char* _pAttributeName,
152             const ::rtl::OUString& _rPropertyName,
153             const sal_Int8 _nBooleanAttributeFlags);
154 
155         /** add an attribute which is represented by a sal_Int16 property to the export context
156 
157             @param _nNamespaceKey
158                 the key of the namespace to use for the attribute name. Is used with the namespace map
159                 provided by the export context.
160             @param _pAttributeName
161                 the name of the attribute to add. Must not contain any namespace (it's added automatically)
162             @param _pPropertyName
163                 the name of the property to ask the control for
164             @param _nDefault
165                 the default of the attribute. If the current property value equals this default, no
166                 attribute is added.
167         */
168         void exportInt16PropertyAttribute(
169             const sal_uInt16 _nNamespaceKey,
170             const sal_Char* _pAttributeName,
171             const ::rtl::OUString& _rPropertyName,
172             const sal_Int16 _nDefault);
173 
174         /** add an attribute which is represented by a sal_Int32 property to the export context
175 
176             @param _nNamespaceKey
177                 the key of the namespace to use for the attribute name. Is used with the namespace map
178                 provided by the export context.
179             @param _pAttributeName
180                 the name of the attribute to add. Must not contain any namespace (it's added automatically)
181             @param _pPropertyName
182                 the name of the property to ask the control for
183             @param _nDefault
184                 the default of the attribute. If the current property value equals this default, no
185                 attribute is added.
186         */
187         void exportInt32PropertyAttribute(
188             const sal_uInt16 _nNamespaceKey,
189             const sal_Char* _pAttributeName,
190             const ::rtl::OUString& _rPropertyName,
191             const sal_Int32 _nDefault);
192 
193         /** add an attribute which is represented by a enum property to the export context
194 
195             @param _nNamespaceKey
196                 the key of the namespace to use for the attribute name. Is used with the namespace map
197                 provided by the export context.
198             @param _pAttributeName
199                 the name of the attribute to add. Must not contain any namespace (it's added automatically)
200             @param _pPropertyName
201                 the name of the property to ask the control for
202             @param _pValueMap
203                 the map to use when converting the property value to an attribute value
204             @param _nDefault
205                 the default of the attribute. If the current property value equals this default, no
206                 attribute is added.
207         */
208         void exportEnumPropertyAttribute(
209             const sal_uInt16 _nNamespaceKey,
210             const sal_Char* _pAttributeName,
211             const sal_Char* _pPropertyName,
212             const SvXMLEnumMapEntry* _pValueMap,
213             const sal_Int32 _nDefault,
214             const sal_Bool _bVoidDefault = sal_False);
215 
216         // some very special methods for some very special attribute/property pairs
217 
218         /** add the hlink:target-frame attribute to the export context.
219 
220             <p>The value of this attribute is extracted from the TargetFrame property of the object given.</p>
221 
222             <p>The property needs a special handling because conflicts between the default values for the attribute
223             and the property.</p>
224         */
225         void exportTargetFrameAttribute();
226 
227         /** add the form:href attribute to the export context.
228 
229             <p>The value of this attribute is extracted from the TargetURL property of the object given.</p>
230 
231             <p>The property needs a special handling because the URL's need to be made relative</p>
232 
233             <p>If _bAddType is set, an additional xlink:type="simple" attribute is also added.</p>
234         */
exportTargetLocationAttribute(bool _bAddType)235         inline void exportTargetLocationAttribute(bool _bAddType) { exportRelativeTargetLocation(PROPERTY_TARGETURL,CCA_TARGET_LOCATION,_bAddType); }
236 
237         /** add the form:image attribute to the export context.
238 
239             <p>The value of this attribute is extracted from the ImageURL property of the object given.</p>
240 
241             <p>The property needs a special handling because the URL's need to be made relative</p>
242         */
exportImageDataAttribute()243         inline void exportImageDataAttribute() { exportRelativeTargetLocation(PROPERTY_IMAGEURL,CCA_IMAGE_DATA,false); }
244 
245         /** flag the style properties as 'already exported'
246 
247             <p>We don't have style support right now, so the only thing the method does is removing the style-relevant
248             properties from the list of yet-to-be-exported properties (<member>m_aRemainingProps</member>)</p>
249         */
250         void flagStyleProperties();
251 
252         /** add an arbitrary attribute extracted from an arbitrary property to the export context
253 
254             <p>The current value of the property specified wiht <arg>_pPropertyName</arg> is taken and converted
255             into a string, no matter what type it has. (Okay, there are the usual limitations: We know Date, Datetime,
256             double, integer ... to name just a few).</p>
257 
258             <p>In case the property value is <NULL/> (void), no attribute is added</p>
259 
260             <p>In case the property value is an empty string, and the property is a not allowed to be <NULL/> (void),
261             no attribute is added</p>
262 
263             <p>In case the property value is a sequence of any type, no attribute is added, 'cause sequences can't be
264             transported as attribute. In the debug version, an additional assertion will occur if you nonetheless try
265             to do this.</p>
266 
267             @param _nNamespaceKey
268                 the key of the namespace to use for the attribute name. Is used with the namespace map
269                 provided by the export context.
270             @param _pAttributeName
271                 the name of the attribute to add. Must not contain any namespace (it's added automatically)
272             @param _pPropertyName
273                 the name of the property to ask the object for
274         */
275         void exportGenericPropertyAttribute(
276             const sal_uInt16 _nAttributeNamespaceKey,
277             const sal_Char* _pAttributeName,
278             const sal_Char* _pPropertyName);
279 
280         /** exports a property value, which is a string sequence, as attribute
281 
282             <p>The elements of the string sequence given are quoted and concatenated, with the characters used for
283             this to be choosen by the caller</p>
284 
285             <p>If you use the quote character, no check (except assertions) is made if one of the list items
286             containes the quote character</p>
287 
288             <p>If you don't use the quote character, no check (except assertions) is made if one of the list items
289             containes the separator character (which would be deadly when reimporting the string)</p>
290 
291             @param _nNamespaceKey
292                 the key of the namespace to use for the attribute name. Is used with the namespace map
293                 provided by the export context.
294             @param _pAttributeName
295                 the name of the attribute to add. Must not contain any namespace (it's added automatically)
296             @param _pPropertyName
297                 the name of the property to ask the object for
298             @param _aQuoteCharacter
299                 the character to use to quote the sequence elements with. May be 0, in this case no quoting happens
300             @param _aListSeparator
301                 the character to use to separate the list entries
302         */
303         void exportStringSequenceAttribute(
304             const sal_uInt16 _nAttributeNamespaceKey,
305             const sal_Char* _pAttributeName,
306             const ::rtl::OUString& _rPropertyName,
307             const sal_Unicode _aQuoteCharacter = '"',
308             const sal_Unicode _aListSeparator = ',');
309 
310         /** determines whether the given property is to be exported
311 
312             <p>Currently, the method simply checks whether the property's state is <em>not</em> PropertyState.DEFAULT,
313             or whether the property is a dynamic property (i.e. added via an <code>XPropertyContainer</code>).
314             So, take care when using the method - the heuristics is not applicable for all properties.</p>
315         */
316         bool shouldExportProperty( const ::rtl::OUString& i_propertyName ) const;
317 
318         /** tries to convert an arbitrary <type scope="com.sun:star.uno">Any</type> into an string
319 
320             <p>If the type contained in the Any is not supported, the returned string will be empty. In the
321             debug version, an additional assertion occurs.</p>
322 
323             @param  _rValue
324                 the value to convert
325         */
326         ::rtl::OUString implConvertAny(
327             const ::com::sun::star::uno::Any& _rValue);
328 
329         /**
330             @return
331                 token which can be used in the <code>form:property</code> element's <code>type</code> attribute
332                 to describe the type of a value.<br/>
333                 Possible types returned are
334                 <ul>
335                     <li><b>boolean</b>: <arg>_rValue</arg> was interpreted as boolean value before converting
336                         it into a string</li>
337                     <li><b>float</b>: <arg>_rValue</arg> was interpreted as 64 bit floating point 16bit integer, 32bit integer or 64 bit integer value before
338                         converting it into a string</li>
339                     <li><b>string</b>: <arg>_rValue</arg> did not need any conversion as it already was a string</li>
340                 </ul>
341                 If the type is not convertable, float is returned
342         */
343         ::xmloff::token::XMLTokenEnum implGetPropertyXMLType(const ::com::sun::star::uno::Type& _rType);
344 
345 #ifdef DBG_UTIL
346                 void AddAttribute(sal_uInt16 _nPrefix, const sal_Char* _pName, const ::rtl::OUString& _rValue);
347                 void AddAttribute( sal_uInt16 _nPrefix, const ::rtl::OUString& _rName, const ::rtl::OUString& _rValue );
348                 void AddAttributeASCII( sal_uInt16 nPrefix, const sal_Char *pName, const sal_Char *pValue );
349                 void AddAttribute(sal_uInt16 _nPrefix, ::xmloff::token::XMLTokenEnum _eName, const ::rtl::OUString& _rValue);
350                 void AddAttribute(sal_uInt16 _nPrefix, ::xmloff::token::XMLTokenEnum _eName, ::xmloff::token::XMLTokenEnum _eValue );
351 #else
352         //  in the product version, inline this, so it does not cost us extra time calling into our method
AddAttribute(sal_uInt16 _nPrefix,const sal_Char * _pName,const::rtl::OUString & _rValue)353         inline  void AddAttribute(sal_uInt16 _nPrefix, const sal_Char* _pName, const ::rtl::OUString& _rValue)
354             { m_rContext.getGlobalContext().AddAttribute(_nPrefix, _pName, _rValue); }
AddAttribute(sal_uInt16 _nPrefix,const::rtl::OUString & _rName,const::rtl::OUString & _rValue)355         inline void AddAttribute( sal_uInt16 _nPrefix, const ::rtl::OUString& _rName, const ::rtl::OUString& _rValue )
356             { m_rContext.getGlobalContext().AddAttribute( _nPrefix, _rName, _rValue ); }
AddAttributeASCII(sal_uInt16 _nPrefix,const sal_Char * _pName,const sal_Char * pValue)357         inline  void AddAttributeASCII( sal_uInt16 _nPrefix, const sal_Char* _pName, const sal_Char *pValue )
358             { m_rContext.getGlobalContext().AddAttributeASCII(_nPrefix, _pName, pValue); }
AddAttribute(sal_uInt16 _nPrefix,::xmloff::token::XMLTokenEnum _eName,const::rtl::OUString & _rValue)359         inline void AddAttribute(sal_uInt16 _nPrefix, ::xmloff::token::XMLTokenEnum _eName, const ::rtl::OUString& _rValue)
360             { m_rContext.getGlobalContext().AddAttribute(_nPrefix, _eName, _rValue); }
AddAttribute(sal_uInt16 _nPrefix,::xmloff::token::XMLTokenEnum _eName,::xmloff::token::XMLTokenEnum _eValue)361         inline void AddAttribute(sal_uInt16 _nPrefix, ::xmloff::token::XMLTokenEnum _eName, ::xmloff::token::XMLTokenEnum _eValue )
362             { m_rContext.getGlobalContext().AddAttribute(_nPrefix, _eName, _eValue); }
363 #endif
364 
365 #ifdef DBG_UTIL
366     protected:
367         /** check a given property set for the existence and type correctness of a given property
368 
369             <p>This method is available in the non-product version only.</p>
370 
371             @param _rPropertyName
372                 the name of the property to ask the control model for
373             @param _pType
374                 the expected type of the property. May be NULL, in this case no type check is made.
375             @return sal_True, if the property exists and is of the correct type
376         */
377         void dbg_implCheckProperty(
378             const ::rtl::OUString& _rPropertyName,
379             const ::com::sun::star::uno::Type* _pType);
380 
381 //      void dbg_implCheckProperty(
382 //          const sal_Char* _rPropertyName,
383 //          const ::com::sun::star::uno::Type* _pType)
384 //      {
385 //          dbg_implCheckProperty(::rtl::OUString::createFromAscii(_rPropertyName), _pType);
386 //      }
387 #endif
388     };
389 
390     //=====================================================================
391     //= helper
392     //=====================================================================
393 #ifdef DBG_UTIL
394     #define DBG_CHECK_PROPERTY(name, type)  \
395         dbg_implCheckProperty(name, &::getCppuType(static_cast< type* >(NULL)))
396 
397     #define DBG_CHECK_PROPERTY_NO_TYPE(name)    \
398         dbg_implCheckProperty(name, NULL)
399 
400     #define DBG_CHECK_PROPERTY_ASCII( name, type ) \
401         dbg_implCheckProperty( ::rtl::OUString::createFromAscii( name ), &::getCppuType(static_cast< type* >(NULL)))
402 
403     #define DBG_CHECK_PROPERTY_ASCII_NO_TYPE( name ) \
404         dbg_implCheckProperty( ::rtl::OUString::createFromAscii( name ), NULL )
405 #else
406     #define DBG_CHECK_PROPERTY(name, type)
407     #define DBG_CHECK_PROPERTY_NO_TYPE(name)
408     #define DBG_CHECK_PROPERTY_ASCII_NO_TYPE( name )
409 #endif
410 
411 //.........................................................................
412 }   // namespace xmloff
413 //.........................................................................
414 
415 #endif // _XMLOFF_FORMS_PROPERTYEXPORT_HXX_
416 
417 
418