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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "FormattedFieldWrapper.hxx"
21 : #include "Edit.hxx"
22 : #include "FormattedField.hxx"
23 : #include "EditBase.hxx"
24 : #include "services.hxx"
25 : #include <comphelper/processfactory.hxx>
26 : #include <cppuhelper/supportsservice.hxx>
27 : #include <connectivity/dbtools.hxx>
28 : #include <tools/debug.hxx>
29 : #include <vcl/svapp.hxx>
30 : #include <vcl/settings.hxx>
31 :
32 : namespace frm
33 : {
34 : using namespace ::com::sun::star::uno;
35 : using namespace ::com::sun::star::sdb;
36 : using namespace ::com::sun::star::sdbc;
37 : using namespace ::com::sun::star::sdbcx;
38 : using namespace ::com::sun::star::beans;
39 : using namespace ::com::sun::star::container;
40 : using namespace ::com::sun::star::form;
41 : using namespace ::com::sun::star::awt;
42 : using namespace ::com::sun::star::io;
43 : using namespace ::com::sun::star::lang;
44 : using namespace ::com::sun::star::util;
45 :
46 :
47 0 : Reference<XInterface> SAL_CALL OFormattedFieldWrapper_CreateInstance_ForceFormatted(const Reference<XMultiServiceFactory>& _rxFactory)
48 : {
49 0 : return OFormattedFieldWrapper::createFormattedFieldWrapper( comphelper::getComponentContext(_rxFactory), true);
50 : }
51 :
52 0 : InterfaceRef SAL_CALL OFormattedFieldWrapper_CreateInstance(const Reference<XMultiServiceFactory>& _rxFactory)
53 : {
54 0 : return OFormattedFieldWrapper::createFormattedFieldWrapper( comphelper::getComponentContext(_rxFactory), false);
55 : }
56 :
57 0 : OFormattedFieldWrapper::OFormattedFieldWrapper(const Reference<XComponentContext>& _rxFactory)
58 0 : :m_xContext(_rxFactory)
59 : {
60 0 : }
61 :
62 0 : InterfaceRef OFormattedFieldWrapper::createFormattedFieldWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext>& _rxFactory, bool bActAsFormatted)
63 : {
64 0 : OFormattedFieldWrapper *pRef = new OFormattedFieldWrapper(_rxFactory);
65 :
66 0 : if (bActAsFormatted)
67 : {
68 : // instantiate an FormattedModel
69 0 : InterfaceRef xFormattedModel;
70 : // (instantiate it directly ..., as the OFormattedModel isn't
71 : // registered for any service names anymore)
72 0 : OFormattedModel* pModel = new OFormattedModel(pRef->m_xContext);
73 0 : query_interface(static_cast<XWeak*>(pModel), xFormattedModel);
74 :
75 0 : pRef->m_xAggregate = Reference<XAggregation> (xFormattedModel, UNO_QUERY);
76 : OSL_ENSURE(pRef->m_xAggregate.is(), "the OFormattedModel didn't have an XAggregation interface !");
77 :
78 : // _before_ setting the delegator, give it to the member references
79 0 : query_interface(xFormattedModel, pRef->m_xFormattedPart);
80 0 : pRef->m_pEditPart = rtl::Reference< OEditModel >(new OEditModel(pRef->m_xContext));
81 : }
82 :
83 0 : increment(pRef->m_refCount);
84 :
85 0 : if (pRef->m_xAggregate.is())
86 : { // has to be in it's own block because of the temporary variable created by *this
87 0 : pRef->m_xAggregate->setDelegator(static_cast<XWeak*>(pRef));
88 : }
89 :
90 0 : InterfaceRef xRef(*pRef);
91 0 : decrement(pRef->m_refCount);
92 :
93 0 : return xRef;
94 : }
95 :
96 0 : Reference< XCloneable > SAL_CALL OFormattedFieldWrapper::createClone() throw (RuntimeException, std::exception)
97 : {
98 0 : ensureAggregate();
99 :
100 0 : rtl::Reference< OFormattedFieldWrapper > xRef(new OFormattedFieldWrapper(m_xContext));
101 :
102 0 : Reference< XCloneable > xCloneAccess;
103 0 : query_aggregation( m_xAggregate, xCloneAccess );
104 :
105 : // clone the aggregate
106 0 : if ( xCloneAccess.is() )
107 : {
108 0 : Reference< XCloneable > xClone = xCloneAccess->createClone();
109 0 : xRef->m_xAggregate = Reference< XAggregation >(xClone, UNO_QUERY);
110 : OSL_ENSURE(xRef->m_xAggregate.is(), "invalid aggregate cloned !");
111 :
112 0 : query_interface( Reference< XInterface >(xClone.get() ), xRef->m_xFormattedPart);
113 :
114 0 : if ( m_pEditPart.is() )
115 : {
116 0 : xRef->m_pEditPart = rtl::Reference< OEditModel >( new OEditModel(m_pEditPart.get(), m_xContext));
117 0 : }
118 : }
119 : else
120 : { // the clone source does not yet have an aggregate -> we don't yet need one, too
121 : }
122 :
123 0 : if ( xRef->m_xAggregate.is() )
124 : { // has to be in it's own block because of the temporary variable created by *this
125 0 : xRef->m_xAggregate->setDelegator(static_cast< XWeak* >(xRef.get()));
126 : }
127 :
128 0 : return xRef.get();
129 : }
130 :
131 0 : OFormattedFieldWrapper::~OFormattedFieldWrapper()
132 : {
133 : // release the aggregated object (if any)
134 0 : if (m_xAggregate.is())
135 0 : m_xAggregate->setDelegator(InterfaceRef ());
136 :
137 0 : }
138 :
139 0 : Any SAL_CALL OFormattedFieldWrapper::queryAggregation(const Type& _rType) throw (RuntimeException, std::exception)
140 : {
141 0 : Any aReturn;
142 :
143 0 : if (_rType.equals( ::getCppuType( static_cast< Reference< XTypeProvider >* >(NULL) ) ) )
144 : { // a XTypeProvider interface needs a working aggregate - we don't want to give the type provider
145 : // of our base class (OFormattedFieldWrapper_Base) to the caller as it supplies nearly nothing
146 0 : ensureAggregate();
147 0 : if (m_xAggregate.is())
148 0 : aReturn = m_xAggregate->queryAggregation(_rType);
149 : }
150 :
151 0 : if (!aReturn.hasValue())
152 : {
153 0 : aReturn = OFormattedFieldWrapper_Base::queryAggregation(_rType);
154 :
155 0 : if ((_rType.equals( ::getCppuType( static_cast< Reference< XServiceInfo >* >(NULL) ) ) ) && aReturn.hasValue())
156 : { // somebody requested an XServiceInfo interface and our base class provided it
157 : // check our aggregate if it has one, too
158 0 : ensureAggregate();
159 : }
160 :
161 0 : if (!aReturn.hasValue())
162 : {
163 0 : aReturn = ::cppu::queryInterface( _rType,
164 : static_cast< XPersistObject* >( this ),
165 : static_cast< XCloneable* >( this )
166 0 : );
167 :
168 0 : if (!aReturn.hasValue())
169 : {
170 : // somebody requests an interface other than the basics (XInterface) and other than
171 : // the two we can supply without an aggregate. So ensure
172 : // the aggregate exists.
173 0 : ensureAggregate();
174 0 : if (m_xAggregate.is())
175 0 : aReturn = m_xAggregate->queryAggregation(_rType);
176 : }
177 : }
178 : }
179 :
180 0 : return aReturn;
181 : }
182 :
183 0 : OUString SAL_CALL OFormattedFieldWrapper::getServiceName() throw(RuntimeException, std::exception)
184 : {
185 : // return the old compatibility name for an EditModel
186 0 : return OUString(FRM_COMPONENT_EDIT);
187 : }
188 :
189 0 : OUString SAL_CALL OFormattedFieldWrapper::getImplementationName( ) throw (RuntimeException, std::exception)
190 : {
191 0 : return OUString("com.sun.star.comp.forms.OFormattedFieldWrapper");
192 : }
193 :
194 0 : sal_Bool SAL_CALL OFormattedFieldWrapper::supportsService( const OUString& _rServiceName ) throw (RuntimeException, std::exception)
195 : {
196 0 : return cppu::supportsService(this, _rServiceName);
197 : }
198 :
199 0 : Sequence< OUString > SAL_CALL OFormattedFieldWrapper::getSupportedServiceNames( ) throw (RuntimeException, std::exception)
200 : {
201 : DBG_ASSERT(m_xAggregate.is(), "OFormattedFieldWrapper::getSupportedServiceNames: should never have made it 'til here without an aggregate!");
202 0 : Reference< XServiceInfo > xSI;
203 0 : m_xAggregate->queryAggregation(::getCppuType(static_cast< Reference< XServiceInfo >* >(NULL))) >>= xSI;
204 0 : return xSI->getSupportedServiceNames();
205 : }
206 :
207 0 : void SAL_CALL OFormattedFieldWrapper::write(const Reference<XObjectOutputStream>& _rxOutStream) throw( IOException, RuntimeException, std::exception )
208 : {
209 : // can't write myself
210 0 : ensureAggregate();
211 :
212 : // if we act as real edit field, we can simple forward this write request
213 0 : if (!m_xFormattedPart.is())
214 : {
215 0 : Reference<XPersistObject> xAggregatePersistence;
216 0 : query_aggregation(m_xAggregate, xAggregatePersistence);
217 : DBG_ASSERT(xAggregatePersistence.is(), "OFormattedFieldWrapper::write : don't know how to handle this : can't write !");
218 : // oops ... We gave an XPersistObject interface to the caller but now we aren't an XPersistObject ...
219 0 : if (xAggregatePersistence.is())
220 0 : xAggregatePersistence->write(_rxOutStream);
221 0 : return;
222 : }
223 :
224 : // else we have to write an edit part first
225 : OSL_ENSURE(m_pEditPart.is(), "OFormattedFieldWrapper::write : formatted part without edit part ?");
226 0 : if ( !m_pEditPart.is() )
227 0 : throw RuntimeException( OUString(), *this );
228 :
229 : // for this we transfer the current props of the formatted part to the edit part
230 0 : Reference<XPropertySet> xFormatProps(m_xFormattedPart, UNO_QUERY);
231 0 : Reference<XPropertySet> xEditProps;
232 0 : query_interface(static_cast<XWeak*>(m_pEditPart.get()), xEditProps);
233 :
234 0 : Locale aAppLanguage = Application::GetSettings().GetUILanguageTag().getLocale();
235 0 : dbtools::TransferFormComponentProperties(xFormatProps, xEditProps, aAppLanguage);
236 :
237 : // then write the edit part, after switching to "fake mode"
238 0 : m_pEditPart->enableFormattedWriteFake();
239 0 : m_pEditPart->write(_rxOutStream);
240 0 : m_pEditPart->disableFormattedWriteFake();
241 :
242 : // and finally write the formatted part we're really interested in
243 0 : m_xFormattedPart->write(_rxOutStream);
244 : }
245 :
246 0 : void SAL_CALL OFormattedFieldWrapper::read(const Reference<XObjectInputStream>& _rxInStream) throw( IOException, RuntimeException, std::exception )
247 : {
248 0 : SolarMutexGuard g;
249 0 : if (m_xAggregate.is())
250 : { // we alread did a decision if we're an EditModel or a FormattedModel
251 :
252 : // if we act as formatted, we have to read the edit part first
253 0 : if (m_xFormattedPart.is())
254 : {
255 : // two possible cases:
256 : // a) the stuff was written by a version which didn't work with an Edit header (all intermediate
257 : // versions >5.1 && <=568)
258 : // b) it was written by a version using edit headers
259 : // as we can distinguish a) from b) only after we have read the edit part, we need to remember the
260 : // position
261 0 : Reference<XMarkableStream> xInMarkable(_rxInStream, UNO_QUERY);
262 : DBG_ASSERT(xInMarkable.is(), "OFormattedFieldWrapper::read : can only work with markable streams !");
263 0 : sal_Int32 nBeforeEditPart = xInMarkable->createMark();
264 :
265 0 : m_pEditPart->read(_rxInStream);
266 : // this only works because an edit model can read the stuff written by a formatted model
267 : // (maybe with some assertions) , but not vice versa
268 0 : if (!m_pEditPart->lastReadWasFormattedFake())
269 : { // case a), written with a version without the edit part fake, so seek to the start position, again
270 0 : xInMarkable->jumpToMark(nBeforeEditPart);
271 : }
272 0 : xInMarkable->deleteMark(nBeforeEditPart);
273 : }
274 :
275 0 : Reference<XPersistObject> xAggregatePersistence;
276 0 : query_aggregation(m_xAggregate, xAggregatePersistence);
277 : DBG_ASSERT(xAggregatePersistence.is(), "OFormattedFieldWrapper::read : don't know how to handle this : can't read !");
278 : // oops ... We gave an XPersistObject interface to the caller but now we aren't an XPersistObject ...
279 :
280 0 : if (xAggregatePersistence.is())
281 0 : xAggregatePersistence->read(_rxInStream);
282 0 : return;
283 : }
284 :
285 : // we have to decide from the data within the stream whether we should
286 : // be an EditModel or a FormattedModel
287 :
288 : {
289 : // let an OEditModel do the reading
290 0 : rtl::Reference< OEditModel > pBasicReader(new OEditModel(m_xContext));
291 0 : pBasicReader->read(_rxInStream);
292 :
293 : // was it really an edit model ?
294 0 : if (!pBasicReader->lastReadWasFormattedFake())
295 : {
296 : // yes -> all fine
297 0 : m_xAggregate = Reference< XAggregation >( pBasicReader.get() );
298 : }
299 : else
300 : { // no -> substitute it with a formatted model
301 : // let the formmatted model do the reading
302 0 : m_xFormattedPart = Reference< XPersistObject >(new OFormattedModel(m_xContext));
303 0 : m_xFormattedPart->read(_rxInStream);
304 0 : m_pEditPart = pBasicReader;
305 0 : m_xAggregate = Reference< XAggregation >( m_xFormattedPart, UNO_QUERY );
306 0 : }
307 : }
308 :
309 : // do the aggregation
310 0 : increment(m_refCount);
311 0 : if (m_xAggregate.is())
312 : { // has to be in it's own block because of the temporary variable created by *this
313 0 : m_xAggregate->setDelegator(static_cast<XWeak*>(this));
314 : }
315 0 : decrement(m_refCount);
316 : }
317 :
318 0 : void OFormattedFieldWrapper::ensureAggregate()
319 : {
320 0 : if (m_xAggregate.is())
321 0 : return;
322 :
323 : {
324 : // instantiate an EditModel (the only place where we are allowed to decide that we're an FormattedModel
325 : // is in ::read)
326 0 : InterfaceRef xEditModel = m_xContext->getServiceManager()->createInstanceWithContext(FRM_SUN_COMPONENT_TEXTFIELD, m_xContext);
327 0 : if (!xEditModel.is())
328 : {
329 : // arghhh ... instantiate it directly ... it's dirty, but we really need this aggregate
330 0 : OEditModel* pModel = new OEditModel(m_xContext);
331 0 : query_interface(static_cast<XWeak*>(pModel), xEditModel);
332 : }
333 :
334 0 : m_xAggregate = Reference<XAggregation> (xEditModel, UNO_QUERY);
335 : DBG_ASSERT(m_xAggregate.is(), "OFormattedFieldWrapper::ensureAggregate : the OEditModel didn't have an XAggregation interface !");
336 :
337 : {
338 0 : Reference< XServiceInfo > xSI(m_xAggregate, UNO_QUERY);
339 0 : if (!xSI.is())
340 : {
341 : OSL_FAIL("OFormattedFieldWrapper::ensureAggregate: the aggregate has no XServiceInfo!");
342 0 : m_xAggregate.clear();
343 0 : }
344 0 : }
345 : }
346 :
347 0 : increment(m_refCount);
348 0 : if (m_xAggregate.is())
349 : { // has to be in it's own block because of the temporary variable created by *this
350 0 : m_xAggregate->setDelegator(static_cast<XWeak*>(this));
351 : }
352 0 : decrement(m_refCount);
353 : }
354 :
355 : }
356 :
357 :
358 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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