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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 : #ifndef FORMS_FORMOPERATIONS_HXX
21 : #define FORMS_FORMOPERATIONS_HXX
22 :
23 : #include <com/sun/star/form/runtime/XFormOperations.hpp>
24 : #include <com/sun/star/lang/XServiceInfo.hpp>
25 : #include <com/sun/star/form/XForm.hpp>
26 : #include <com/sun/star/beans/XPropertySet.hpp>
27 : #include <com/sun/star/form/XLoadable.hpp>
28 : #include <com/sun/star/sdb/XSingleSelectQueryComposer.hpp>
29 : #include <com/sun/star/util/XModifyListener.hpp>
30 : #include <com/sun/star/container/XIndexAccess.hpp>
31 : #include <com/sun/star/lang/XInitialization.hpp>
32 : #include <com/sun/star/sdb/SQLFilterOperator.hpp>
33 : #include <com/sun/star/uno/XComponentContext.hpp>
34 :
35 : #include <cppuhelper/basemutex.hxx>
36 : #include <cppuhelper/compbase6.hxx>
37 :
38 : //........................................................................
39 : namespace frm
40 : {
41 : //........................................................................
42 :
43 : //====================================================================
44 : //= FormOperations
45 : //====================================================================
46 : typedef ::cppu::WeakComponentImplHelper6 < ::com::sun::star::form::runtime::XFormOperations
47 : , ::com::sun::star::lang::XInitialization
48 : , ::com::sun::star::lang::XServiceInfo
49 : , ::com::sun::star::beans::XPropertyChangeListener
50 : , ::com::sun::star::util::XModifyListener
51 : , ::com::sun::star::sdbc::XRowSetListener
52 : > FormOperations_Base;
53 :
54 : class FormOperations :public ::cppu::BaseMutex
55 : ,public FormOperations_Base
56 : {
57 : public:
58 : class MethodGuard;
59 :
60 : private:
61 : css::uno::Reference<css::uno::XComponentContext> m_xContext;
62 : ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > m_xController;
63 : ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet > m_xCursor;
64 : ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetUpdate > m_xUpdateCursor;
65 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > m_xCursorProperties;
66 : ::com::sun::star::uno::Reference< ::com::sun::star::form::XLoadable > m_xLoadableForm;
67 : ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFeatureInvalidation >
68 : m_xFeatureInvalidation;
69 : mutable ::com::sun::star::uno::Reference< ::com::sun::star::sdb::XSingleSelectQueryComposer >
70 : m_xParser;
71 :
72 : bool m_bInitializedParser;
73 : bool m_bActiveControlModified;
74 : bool m_bConstructed;
75 : #ifdef DBG_UTIL
76 : mutable long
77 : m_nMethodNestingLevel;
78 : #endif
79 :
80 : public:
81 : FormOperations( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext );
82 :
83 : // XServiceInfo - static versions
84 : static OUString getImplementationName_Static( ) throw(::com::sun::star::uno::RuntimeException);
85 : static ::com::sun::star::uno::Sequence< OUString > getSupportedServiceNames_Static( ) throw(::com::sun::star::uno::RuntimeException);
86 : static ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL
87 : Create(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >&);
88 :
89 150 : struct MethodAccess { friend class MethodGuard; private: MethodAccess() { } };
90 :
91 75 : inline void enterMethod( MethodAccess ) const
92 : {
93 75 : m_aMutex.acquire();
94 75 : impl_checkDisposed_throw();
95 : #ifdef DBG_UTIL
96 : ++m_nMethodNestingLevel;
97 : #endif
98 75 : }
99 :
100 75 : inline void leaveMethod( MethodAccess ) const
101 : {
102 75 : m_aMutex.release();
103 : #ifdef DBG_UTIL
104 : --m_nMethodNestingLevel;
105 : #endif
106 75 : }
107 :
108 : protected:
109 : virtual ~FormOperations();
110 :
111 : // XInitialization
112 : virtual void SAL_CALL initialize( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments ) throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);
113 :
114 : // XServiceInfo
115 : virtual OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException);
116 : virtual ::sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
117 : virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) throw (::com::sun::star::uno::RuntimeException);
118 :
119 : // XFormOperations
120 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet > SAL_CALL getCursor() throw (::com::sun::star::uno::RuntimeException);
121 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetUpdate > SAL_CALL getUpdateCursor() throw (::com::sun::star::uno::RuntimeException);
122 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > SAL_CALL getController() throw (::com::sun::star::uno::RuntimeException);
123 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFeatureInvalidation > SAL_CALL getFeatureInvalidation() throw (::com::sun::star::uno::RuntimeException);
124 : virtual void SAL_CALL setFeatureInvalidation(const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFeatureInvalidation > & the_value) throw (::com::sun::star::uno::RuntimeException);
125 : virtual ::com::sun::star::form::runtime::FeatureState SAL_CALL getState(::sal_Int16 Feature) throw (::com::sun::star::uno::RuntimeException);
126 : virtual ::sal_Bool SAL_CALL isEnabled(::sal_Int16 Feature) throw (::com::sun::star::uno::RuntimeException);
127 : virtual void SAL_CALL execute(::sal_Int16 Feature) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::sdbc::SQLException, ::com::sun::star::lang::WrappedTargetException);
128 : virtual void SAL_CALL executeWithArguments(::sal_Int16 Feature, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue >& Arguments) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::sdbc::SQLException, ::com::sun::star::lang::WrappedTargetException);
129 : virtual ::sal_Bool SAL_CALL commitCurrentRecord(::sal_Bool & RecordInserted) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::sdbc::SQLException);
130 : virtual ::sal_Bool SAL_CALL commitCurrentControl() throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::sdbc::SQLException);
131 : virtual ::sal_Bool SAL_CALL isInsertionRow() throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::WrappedTargetException);
132 : virtual ::sal_Bool SAL_CALL isModifiedRow() throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::WrappedTargetException);
133 :
134 : // XRowSetListener
135 : virtual void SAL_CALL cursorMoved( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
136 : virtual void SAL_CALL rowChanged( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
137 : virtual void SAL_CALL rowSetChanged( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
138 :
139 : // XModifyListener
140 : virtual void SAL_CALL modified( const ::com::sun::star::lang::EventObject& _rSource ) throw( ::com::sun::star::uno::RuntimeException );
141 :
142 : // XPropertyChangeListener
143 : virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw (::com::sun::star::uno::RuntimeException);
144 :
145 : // XEventListener
146 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);
147 :
148 : // XComponent/OComponentHelper
149 : virtual void SAL_CALL disposing();
150 :
151 : private:
152 : // service constructors
153 : void createWithFormController( const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >& _rxController );
154 : void createWithForm( const ::com::sun::star::uno::Reference< ::com::sun::star::form::XForm >& _rxForm );
155 :
156 : /** determines whether or not we're already disposed
157 : */
158 75 : inline bool impl_isDisposed_nothrow() const { return !m_xCursor.is(); }
159 :
160 : /** checks whether the instance is already disposed, and throws an exception if so
161 : */
162 : void impl_checkDisposed_throw() const;
163 :
164 : /** initializes the instance after m_xController has been set
165 : @precond
166 : m_xController is not <NULL/>
167 : */
168 : void impl_initFromController_throw();
169 :
170 : /** initializes the instance after m_xCursor has been set
171 : @precond
172 : m_xCursor is not <NULL/>
173 : */
174 : void impl_initFromForm_throw();
175 :
176 : /// invalidate the full palette of features which we know
177 : void impl_invalidateAllSupportedFeatures_nothrow( MethodGuard& _rClearForCallback ) const;
178 :
179 : /** invalidate the features which depend on the "modified" state of the current control
180 : of our controller
181 : */
182 : void impl_invalidateModifyDependentFeatures_nothrow( MethodGuard& _rClearForCallback ) const;
183 :
184 : /** ensures that our parse is initialized, or at least that we attempted to do so
185 : @precond
186 : we're not disposed
187 : */
188 : void impl_ensureInitializedParser_nothrow();
189 :
190 : /// disposes our parser, if we have one
191 : void impl_disposeParser_nothrow();
192 :
193 : /** determines whether our cursor can be moved left
194 : @precond hasCursor()
195 : */
196 : bool impl_canMoveLeft_throw() const;
197 :
198 : /** determines whether our cursor can be moved right
199 : @precond hasCursor()
200 : */
201 : bool impl_canMoveRight_throw() const;
202 :
203 : /// determines whether we're positioned on the insertion row
204 : bool impl_isInsertionRow_throw() const;
205 :
206 : /// retrieves the RowCount property of the form
207 : sal_Int32 impl_getRowCount_throw() const;
208 :
209 : /// retrieves the RowCountFinal property of the form
210 : bool impl_isRowCountFinal_throw() const;
211 :
212 : /// retrieves the IsModified property of the form
213 : bool impl_isModifiedRow_throw() const;
214 :
215 : /// determines whether we can parse the query of our form
216 : bool impl_isParseable_throw() const;
217 :
218 : /// determines if we have an active filter or order condition
219 : bool impl_hasFilterOrOrder_throw() const;
220 :
221 : /// determines whether our form is in "insert-only" mode
222 : bool impl_isInsertOnlyForm_throw() const;
223 :
224 : /** retrieces the column to which the current control of our controller is bound
225 : @precond
226 : m_xController.is()
227 : */
228 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
229 : impl_getCurrentBoundField_nothrow( ) const;
230 :
231 : /** returns the control model of the current control
232 :
233 : If the current control is a grid control, then the returned model is the
234 : model of the current <em>column</em> in the grid.
235 :
236 : @precond
237 : m_xController.is()
238 : */
239 : ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel >
240 : impl_getCurrentControlModel_throw() const;
241 :
242 : /// determines if we have a valid cursor
243 0 : inline bool impl_hasCursor_nothrow() const { return m_xCursorProperties.is(); }
244 :
245 : /** determines the model position from a grid control column's view position
246 :
247 : A grid control can have columns which are currently hidden, so the index of a
248 : column in the view is not necessarily the same as its index in the model.
249 : */
250 : sal_Int16 impl_gridView2ModelPos_nothrow( const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& _rxColumns, sal_Int16 _nViewPos ) const;
251 :
252 : /** moves our cursor one position to the left, caring for different possible
253 : cursor states.
254 :
255 : Before the movement is done, the current row is saved, if necessary.
256 :
257 : @precond
258 : canMoveLeft()
259 : */
260 : bool impl_moveLeft_throw() const;
261 :
262 : /** moves our cursor one position to the right, caring for different possible
263 : cursor states.
264 :
265 : Before the movement is done, the current row is saved, if necessary.
266 :
267 : @precond
268 : canMoveRight()
269 : */
270 : bool impl_moveRight_throw( ) const;
271 :
272 : /** impl-version of commitCurrentRecord, which can be called without caring for
273 : an output parameter, and within const-contexts
274 :
275 : @precond
276 : our mutex is locked
277 : */
278 : bool impl_commitCurrentRecord_throw( sal_Bool* _pRecordInserted = NULL ) const;
279 :
280 : /** impl-version of commitCurrentControl, which can be called in const-contexts
281 :
282 : @precond
283 : our mutex is locked
284 : */
285 : bool impl_commitCurrentControl_throw() const;
286 :
287 : /// resets all control models in our own form
288 : void impl_resetAllControls_nothrow() const;
289 :
290 : /// executes the "auto sort ascending" and "auto sort descending" features
291 : void impl_executeAutoSort_throw( bool _bUp ) const;
292 :
293 : /// executes the "auto filter" feature
294 : void impl_executeAutoFilter_throw( ) const;
295 :
296 : /// executes the interactive sort resp. filter feature
297 : void impl_executeFilterOrSort_throw( bool _bFilter ) const;
298 :
299 : private:
300 : /** calls a (member) function, catches SQLExceptions, extends them with additional context information,
301 : and rethrows them
302 :
303 : @param f
304 : a fuctionoid with no arguments to do the work
305 : @param _nErrorResourceId
306 : the id of the resources string to use as error message
307 : */
308 : template < typename FunctObj >
309 : void impl_doActionInSQLContext_throw( FunctObj f, sal_uInt16 _nErrorResourceId ) const;
310 :
311 : // functionoid to call appendOrderByColumn
312 0 : class impl_appendOrderByColumn_throw
313 : {
314 : public:
315 0 : impl_appendOrderByColumn_throw(const FormOperations *pFO,
316 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > xField,
317 : bool bUp)
318 : : m_pFO(pFO)
319 : , m_xField(xField)
320 0 : , m_bUp(bUp)
321 0 : {};
322 :
323 0 : void operator()() { m_pFO->m_xParser->appendOrderByColumn(m_xField, m_bUp); }
324 : private:
325 : const FormOperations *m_pFO;
326 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > m_xField;
327 : bool m_bUp;
328 : };
329 :
330 : // functionoid to call appendFilterByColumn
331 0 : class impl_appendFilterByColumn_throw
332 : {
333 : public:
334 0 : impl_appendFilterByColumn_throw(const FormOperations *pFO,
335 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > xField)
336 : : m_pFO(pFO)
337 0 : , m_xField(xField)
338 0 : {};
339 :
340 0 : void operator()() { m_pFO->m_xParser->appendFilterByColumn( m_xField, sal_True, ::com::sun::star::sdb::SQLFilterOperator::EQUAL ); }
341 : private:
342 : const FormOperations *m_pFO;
343 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > m_xField;
344 : };
345 :
346 : private:
347 : FormOperations(); // never implemented
348 : FormOperations( const FormOperations& ); // never implemented
349 : FormOperations& operator=( const FormOperations& ); // never implemented
350 :
351 : public:
352 : class MethodGuard
353 : {
354 : FormOperations& m_rOwner;
355 : bool m_bCleared;
356 :
357 : public:
358 75 : inline MethodGuard( FormOperations& _rOwner )
359 : :m_rOwner( _rOwner )
360 75 : ,m_bCleared( false )
361 : {
362 75 : m_rOwner.enterMethod( FormOperations::MethodAccess() );
363 75 : }
364 :
365 75 : inline ~MethodGuard()
366 : {
367 75 : clear();
368 75 : }
369 :
370 75 : inline void clear()
371 : {
372 75 : if ( !m_bCleared )
373 75 : m_rOwner.leaveMethod( FormOperations::MethodAccess() );
374 75 : m_bCleared = true;
375 75 : }
376 : };
377 : };
378 :
379 : //........................................................................
380 : } // namespace frm
381 : //........................................................................
382 :
383 : #endif // FORMS_FORMOPERATIONS_HXX
384 :
385 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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