1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include "FormattedFieldWrapper.hxx"
#include "Edit.hxx"
#include "FormattedField.hxx"
#include "EditBase.hxx"
#include <services.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <connectivity/dbtools.hxx>
#include <tools/debug.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>

using namespace frm;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::form;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;

OFormattedFieldWrapper::OFormattedFieldWrapper(const Reference<XComponentContext>& _rxFactory)
    :m_xContext(_rxFactory)
{
}

css::uno::Reference<css::uno::XInterface> OFormattedFieldWrapper::createFormattedFieldWrapper(const css::uno::Reference< css::uno::XComponentContext>& _rxFactory, bool bActAsFormatted)
{
    OFormattedFieldWrapper *pRef = new OFormattedFieldWrapper(_rxFactory);

    if (bActAsFormatted)
    {
        // instantiate an FormattedModel
        // (instantiate it directly ..., as the OFormattedModel isn't
        // registered for any service names anymore)
        OFormattedModel* pModel = new OFormattedModel(pRef->m_xContext);
        css::uno::Reference<css::uno::XInterface> xFormattedModel(
            static_cast<XWeak*>(pModel), css::uno::UNO_QUERY);

        pRef->m_xAggregate.set(xFormattedModel, UNO_QUERY);
        OSL_ENSURE(pRef->m_xAggregate.is(), "the OFormattedModel didn't have an XAggregation interface !");

        // _before_ setting the delegator, give it to the member references
        pRef->m_xFormattedPart.set(xFormattedModel, css::uno::UNO_QUERY);
        pRef->m_pEditPart.set(new OEditModel(pRef->m_xContext));
    }

    osl_atomic_increment(&pRef->m_refCount);

    if (pRef->m_xAggregate.is())
    {   // has to be in its own block because of the temporary variable created by *this
        pRef->m_xAggregate->setDelegator(static_cast<XWeak*>(pRef));
    }

    css::uno::Reference<css::uno::XInterface> xRef(*pRef);
    osl_atomic_decrement(&pRef->m_refCount);

    return xRef;
}

Reference< XCloneable > SAL_CALL OFormattedFieldWrapper::createClone()
{
    ensureAggregate();

    rtl::Reference< OFormattedFieldWrapper > xRef(new OFormattedFieldWrapper(m_xContext));

    Reference< XCloneable > xCloneAccess;
    query_aggregation( m_xAggregate, xCloneAccess );

    // clone the aggregate
    if ( xCloneAccess.is() )
    {
        Reference< XCloneable > xClone = xCloneAccess->createClone();
        xRef->m_xAggregate.set(xClone, UNO_QUERY);
        OSL_ENSURE(xRef->m_xAggregate.is(), "invalid aggregate cloned !");

        xRef->m_xFormattedPart.set(
            Reference< XInterface >(xClone.get()), css::uno::UNO_QUERY);

        if ( m_pEditPart.is() )
        {
            xRef->m_pEditPart.set( new OEditModel(m_pEditPart.get(), m_xContext) );
        }
    }
    else
    {   // the clone source does not yet have an aggregate -> we don't yet need one, too
    }

    if ( xRef->m_xAggregate.is() )
    {   // has to be in its own block because of the temporary variable created by *this
        xRef->m_xAggregate->setDelegator(static_cast< XWeak* >(xRef.get()));
    }

    return xRef.get();
}

OFormattedFieldWrapper::~OFormattedFieldWrapper()
{
    // release the aggregated object (if any)
    if (m_xAggregate.is())
        m_xAggregate->setDelegator(css::uno::Reference<css::uno::XInterface> ());

}

Any SAL_CALL OFormattedFieldWrapper::queryAggregation(const Type& _rType)
{
    Any aReturn;

    if (_rType.equals( cppu::UnoType<XTypeProvider>::get() ) )
    {   // a XTypeProvider interface needs a working aggregate - we don't want to give the type provider
        // of our base class (OFormattedFieldWrapper_Base) to the caller as it supplies nearly nothing
        ensureAggregate();
        if (m_xAggregate.is())
            aReturn = m_xAggregate->queryAggregation(_rType);
    }

    if (!aReturn.hasValue())
    {
        aReturn = OFormattedFieldWrapper_Base::queryAggregation(_rType);

        if ((_rType.equals( cppu::UnoType<XServiceInfo>::get() ) ) && aReturn.hasValue())
        {   // somebody requested an XServiceInfo interface and our base class provided it
            // check our aggregate if it has one, too
            ensureAggregate();
        }

        if (!aReturn.hasValue())
        {
            aReturn = ::cppu::queryInterface( _rType,
                static_cast< XPersistObject* >( this ),
                static_cast< XCloneable* >( this )
            );

            if (!aReturn.hasValue())
            {
                // somebody requests an interface other than the basics (XInterface) and other than
                // the two we can supply without an aggregate. So ensure
                // the aggregate exists.
                ensureAggregate();
                if (m_xAggregate.is())
                    aReturn = m_xAggregate->queryAggregation(_rType);
            }
        }
    }

    return aReturn;
}

OUString SAL_CALL OFormattedFieldWrapper::getServiceName()
{
    // return the old compatibility name for an EditModel
    return OUString(FRM_COMPONENT_EDIT);
}

OUString SAL_CALL OFormattedFieldWrapper::getImplementationName(  )
{
    return OUString("com.sun.star.comp.forms.OFormattedFieldWrapper_ForcedFormatted");
}

sal_Bool SAL_CALL OFormattedFieldWrapper::supportsService( const OUString& _rServiceName )
{
    return cppu::supportsService(this, _rServiceName);
}

Sequence< OUString > SAL_CALL OFormattedFieldWrapper::getSupportedServiceNames(  )
{
    DBG_ASSERT(m_xAggregate.is(), "OFormattedFieldWrapper::getSupportedServiceNames: should never have made it 'til here without an aggregate!");
    Reference< XServiceInfo > xSI;
    m_xAggregate->queryAggregation(cppu::UnoType<XServiceInfo>::get()) >>= xSI;
    return xSI->getSupportedServiceNames();
}

void SAL_CALL OFormattedFieldWrapper::write(const Reference<XObjectOutputStream>& _rxOutStream)
{
    // can't write myself
    ensureAggregate();

    // if we act as real edit field, we can simple forward this write request
    if (!m_xFormattedPart.is())
    {
        Reference<XPersistObject>  xAggregatePersistence;
        query_aggregation(m_xAggregate, xAggregatePersistence);
        DBG_ASSERT(xAggregatePersistence.is(), "OFormattedFieldWrapper::write : don't know how to handle this : can't write !");
            // oops ... We gave an XPersistObject interface to the caller but now we aren't an XPersistObject ...
        if (xAggregatePersistence.is())
            xAggregatePersistence->write(_rxOutStream);
        return;
    }

    // else we have to write an edit part first
    OSL_ENSURE(m_pEditPart.is(), "OFormattedFieldWrapper::write : formatted part without edit part ?");
    if ( !m_pEditPart.is() )
        throw RuntimeException( OUString(), *this );

    // for this we transfer the current props of the formatted part to the edit part
    Reference<XPropertySet>  xFormatProps(m_xFormattedPart, UNO_QUERY);
    Reference<XPropertySet> xEditProps(
        static_cast<XWeak*>(m_pEditPart.get()), css::uno::UNO_QUERY);

    Locale aAppLanguage = Application::GetSettings().GetUILanguageTag().getLocale();
    dbtools::TransferFormComponentProperties(xFormatProps, xEditProps, aAppLanguage);

    // then write the edit part, after switching to "fake mode"
    m_pEditPart->enableFormattedWriteFake();
    m_pEditPart->write(_rxOutStream);
    m_pEditPart->disableFormattedWriteFake();

    // and finally write the formatted part we're really interested in
    m_xFormattedPart->write(_rxOutStream);
}

void SAL_CALL OFormattedFieldWrapper::read(const Reference<XObjectInputStream>& _rxInStream)
{
    SolarMutexGuard g;
    if (m_xAggregate.is())
    {   //  we already did a decision if we're an EditModel or a FormattedModel

        // if we act as formatted, we have to read the edit part first
        if (m_xFormattedPart.is())
        {
            // two possible cases:
            // a) the stuff was written by a version which didn't work with an Edit header (all intermediate
            //      versions >5.1 && <=568)
            // b) it was written by a version using edit headers
            // as we can distinguish a) from b) only after we have read the edit part, we need to remember the
            // position
            Reference<XMarkableStream>  xInMarkable(_rxInStream, UNO_QUERY);
            DBG_ASSERT(xInMarkable.is(), "OFormattedFieldWrapper::read : can only work with markable streams !");
            sal_Int32 nBeforeEditPart = xInMarkable->createMark();

            m_pEditPart->read(_rxInStream);
            // this only works because an edit model can read the stuff written by a formatted model
            // (maybe with some assertions) , but not vice versa
            if (!m_pEditPart->lastReadWasFormattedFake())
            {   // case a), written with a version without the edit part fake, so seek to the start position, again
                xInMarkable->jumpToMark(nBeforeEditPart);
            }
            xInMarkable->deleteMark(nBeforeEditPart);
        }

        Reference<XPersistObject>  xAggregatePersistence;
        query_aggregation(m_xAggregate, xAggregatePersistence);
        DBG_ASSERT(xAggregatePersistence.is(), "OFormattedFieldWrapper::read : don't know how to handle this : can't read !");
            // oops ... We gave an XPersistObject interface to the caller but now we aren't an XPersistObject ...

        if (xAggregatePersistence.is())
            xAggregatePersistence->read(_rxInStream);
        return;
    }

    // we have to decide from the data within the stream whether we should
    // be an EditModel or a FormattedModel

    {
        // let an OEditModel do the reading
        rtl::Reference< OEditModel > pBasicReader(new OEditModel(m_xContext));
        pBasicReader->read(_rxInStream);

        // was it really an edit model ?
        if (!pBasicReader->lastReadWasFormattedFake())
        {
            // yes -> all fine
            m_xAggregate.set( pBasicReader.get() );
        }
        else
        {   // no -> substitute it with a formatted model
            // let the formatted model do the reading
            m_xFormattedPart.set(new OFormattedModel(m_xContext));
            m_xFormattedPart->read(_rxInStream);
            m_pEditPart = pBasicReader;
            m_xAggregate.set( m_xFormattedPart, UNO_QUERY );
        }
    }

    // do the aggregation
    osl_atomic_increment(&m_refCount);
    if (m_xAggregate.is())
    {   // has to be in its own block because of the temporary variable created by *this
        m_xAggregate->setDelegator(static_cast<XWeak*>(this));
    }
    osl_atomic_decrement(&m_refCount);
}

void OFormattedFieldWrapper::ensureAggregate()
{
    if (m_xAggregate.is())
        return;

    {
        // instantiate an EditModel (the only place where we are allowed to decide that we're an FormattedModel
        // is in ::read)
        css::uno::Reference<css::uno::XInterface>  xEditModel = m_xContext->getServiceManager()->createInstanceWithContext(FRM_SUN_COMPONENT_TEXTFIELD, m_xContext);
        if (!xEditModel.is())
        {
            // arghhh... instantiate it directly... it's dirty, but we really need this aggregate
            OEditModel* pModel = new OEditModel(m_xContext);
            xEditModel.set(static_cast<XWeak*>(pModel), css::uno::UNO_QUERY);
        }

        m_xAggregate.set(xEditModel, UNO_QUERY);
        DBG_ASSERT(m_xAggregate.is(), "OFormattedFieldWrapper::ensureAggregate : the OEditModel didn't have an XAggregation interface !");

        {
            Reference< XServiceInfo > xSI(m_xAggregate, UNO_QUERY);
            if (!xSI.is())
            {
                OSL_FAIL("OFormattedFieldWrapper::ensureAggregate: the aggregate has no XServiceInfo!");
                m_xAggregate.clear();
            }
        }
    }

    osl_atomic_increment(&m_refCount);
    if (m_xAggregate.is())
    {   // has to be in its own block because of the temporary variable created by *this
        m_xAggregate->setDelegator(static_cast<XWeak*>(this));
    }
    osl_atomic_decrement(&m_refCount);
}

extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
com_sun_star_form_OFormattedFieldWrapper_get_implementation(css::uno::XComponentContext* component,<--- The function 'com_sun_star_form_OFormattedFieldWrapper_get_implementation' is never used.
        css::uno::Sequence<css::uno::Any> const &)
{
    css::uno::Reference<css::uno::XInterface> inst(
        OFormattedFieldWrapper::createFormattedFieldWrapper(component, false));
    inst->acquire();
    return inst.get();
}

extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
com_sun_star_comp_forms_OFormattedFieldWrapper_ForcedFormatted_get_implementation(css::uno::XComponentContext* component,<--- The function 'com_sun_star_comp_forms_OFormattedFieldWrapper_ForcedFormatted_get_implementation' is never used.
        css::uno::Sequence<css::uno::Any> const &)
{
    css::uno::Reference<css::uno::XInterface> inst(
        OFormattedFieldWrapper::createFormattedFieldWrapper(component, true));
    inst->acquire();
    return inst.get();
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */