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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 :
34 : #include <comphelper/componentcontext.hxx>
35 :
36 : #include <cppuhelper/basemutex.hxx>
37 : #include <cppuhelper/compbase6.hxx>
38 :
39 : //........................................................................
40 : namespace frm
41 : {
42 : //........................................................................
43 :
44 : //====================================================================
45 : //= FormOperations
46 : //====================================================================
47 : typedef ::cppu::WeakComponentImplHelper6 < ::com::sun::star::form::runtime::XFormOperations
48 : , ::com::sun::star::lang::XInitialization
49 : , ::com::sun::star::lang::XServiceInfo
50 : , ::com::sun::star::beans::XPropertyChangeListener
51 : , ::com::sun::star::util::XModifyListener
52 : , ::com::sun::star::sdbc::XRowSetListener
53 : > FormOperations_Base;
54 :
55 : class FormOperations :public ::cppu::BaseMutex
56 : ,public FormOperations_Base
57 : {
58 : public:
59 : class MethodGuard;
60 :
61 : private:
62 : ::comphelper::ComponentContext m_aContext;
63 : ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > m_xController;
64 : ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet > m_xCursor;
65 : ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetUpdate > m_xUpdateCursor;
66 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > m_xCursorProperties;
67 : ::com::sun::star::uno::Reference< ::com::sun::star::form::XLoadable > m_xLoadableForm;
68 : ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFeatureInvalidation >
69 : m_xFeatureInvalidation;
70 : mutable ::com::sun::star::uno::Reference< ::com::sun::star::sdb::XSingleSelectQueryComposer >
71 : m_xParser;
72 :
73 : bool m_bInitializedParser;
74 : bool m_bActiveControlModified;
75 : bool m_bConstructed;
76 : #ifdef DBG_UTIL
77 : mutable long
78 : m_nMethodNestingLevel;
79 : #endif
80 :
81 : public:
82 : FormOperations( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxContext );
83 :
84 : // XServiceInfo - static versions
85 : static ::rtl::OUString getImplementationName_Static( ) throw(::com::sun::star::uno::RuntimeException);
86 : static ::com::sun::star::uno::Sequence< ::rtl::OUString > getSupportedServiceNames_Static( ) throw(::com::sun::star::uno::RuntimeException);
87 : static ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL
88 : Create(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >&);
89 :
90 22 : struct MethodAccess { friend class MethodGuard; private: MethodAccess() { } };
91 :
92 11 : inline void enterMethod( MethodAccess ) const
93 : {
94 11 : m_aMutex.acquire();
95 11 : impl_checkDisposed_throw();
96 : #ifdef DBG_UTIL
97 : ++m_nMethodNestingLevel;
98 : #endif
99 11 : }
100 :
101 11 : inline void leaveMethod( MethodAccess ) const
102 : {
103 11 : m_aMutex.release();
104 : #ifdef DBG_UTIL
105 : --m_nMethodNestingLevel;
106 : #endif
107 11 : }
108 :
109 : protected:
110 : virtual ~FormOperations();
111 :
112 : // XInitialization
113 : 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);
114 :
115 : // XServiceInfo
116 : virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException);
117 : virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
118 : virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw (::com::sun::star::uno::RuntimeException);
119 :
120 : // XFormOperations
121 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet > SAL_CALL getCursor() throw (::com::sun::star::uno::RuntimeException);
122 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetUpdate > SAL_CALL getUpdateCursor() throw (::com::sun::star::uno::RuntimeException);
123 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController > SAL_CALL getController() throw (::com::sun::star::uno::RuntimeException);
124 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFeatureInvalidation > SAL_CALL getFeatureInvalidation() throw (::com::sun::star::uno::RuntimeException);
125 : 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);
126 : virtual ::com::sun::star::form::runtime::FeatureState SAL_CALL getState(::sal_Int16 Feature) throw (::com::sun::star::uno::RuntimeException);
127 : virtual ::sal_Bool SAL_CALL isEnabled(::sal_Int16 Feature) throw (::com::sun::star::uno::RuntimeException);
128 : 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);
129 : 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);
130 : virtual ::sal_Bool SAL_CALL commitCurrentRecord(::sal_Bool & RecordInserted) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::sdbc::SQLException);
131 : virtual ::sal_Bool SAL_CALL commitCurrentControl() throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::sdbc::SQLException);
132 : virtual ::sal_Bool SAL_CALL isInsertionRow() throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::WrappedTargetException);
133 : virtual ::sal_Bool SAL_CALL isModifiedRow() throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::WrappedTargetException);
134 :
135 : // XRowSetListener
136 : virtual void SAL_CALL cursorMoved( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
137 : virtual void SAL_CALL rowChanged( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
138 : virtual void SAL_CALL rowSetChanged( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
139 :
140 : // XModifyListener
141 : virtual void SAL_CALL modified( const ::com::sun::star::lang::EventObject& _rSource ) throw( ::com::sun::star::uno::RuntimeException );
142 :
143 : // XPropertyChangeListener
144 : virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw (::com::sun::star::uno::RuntimeException);
145 :
146 : // XEventListener
147 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);
148 :
149 : // XComponent/OComponentHelper
150 : virtual void SAL_CALL disposing();
151 :
152 : private:
153 : // service constructors
154 : void createWithFormController( const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >& _rxController );
155 : void createWithForm( const ::com::sun::star::uno::Reference< ::com::sun::star::form::XForm >& _rxForm );
156 :
157 : /** determines whether or not we're already disposed
158 : */
159 11 : inline bool impl_isDisposed_nothrow() const { return !m_xCursor.is(); }
160 :
161 : /** checks whether the instance is already disposed, and throws an exception if so
162 : */
163 : void impl_checkDisposed_throw() const;
164 :
165 : /** initializes the instance after m_xController has been set
166 : @precond
167 : m_xController is not <NULL/>
168 : */
169 : void impl_initFromController_throw();
170 :
171 : /** initializes the instance after m_xCursor has been set
172 : @precond
173 : m_xCursor is not <NULL/>
174 : */
175 : void impl_initFromForm_throw();
176 :
177 : /// invalidate the full palette of features which we know
178 : void impl_invalidateAllSupportedFeatures_nothrow( MethodGuard& _rClearForCallback ) const;
179 :
180 : /** invalidate the features which depend on the "modified" state of the current control
181 : of our controller
182 : */
183 : void impl_invalidateModifyDependentFeatures_nothrow( MethodGuard& _rClearForCallback ) const;
184 :
185 : /** ensures that our parse is initialized, or at least that we attempted to do so
186 : @precond
187 : we're not disposed
188 : */
189 : void impl_ensureInitializedParser_nothrow();
190 :
191 : /// disposes our parser, if we have one
192 : void impl_disposeParser_nothrow();
193 :
194 : /** determines whether our cursor can be moved left
195 : @precond hasCursor()
196 : */
197 : bool impl_canMoveLeft_throw() const;
198 :
199 : /** determines whether our cursor can be moved right
200 : @precond hasCursor()
201 : */
202 : bool impl_canMoveRight_throw() const;
203 :
204 : /// determines whether we're positioned on the insertion row
205 : bool impl_isInsertionRow_throw() const;
206 :
207 : /// retrieves the RowCount property of the form
208 : sal_Int32 impl_getRowCount_throw() const;
209 :
210 : /// retrieves the RowCountFinal property of the form
211 : bool impl_isRowCountFinal_throw() const;
212 :
213 : /// retrieves the IsModified property of the form
214 : bool impl_isModifiedRow_throw() const;
215 :
216 : /// determines whether we can parse the query of our form
217 : bool impl_isParseable_throw() const;
218 :
219 : /// determines if we have an active filter or order condition
220 : bool impl_hasFilterOrOrder_throw() const;
221 :
222 : /// determines whether our form is in "insert-only" mode
223 : bool impl_isInsertOnlyForm_throw() const;
224 :
225 : /** retrieces the column to which the current control of our controller is bound
226 : @precond
227 : m_xController.is()
228 : */
229 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
230 : impl_getCurrentBoundField_nothrow( ) const;
231 :
232 : /** returns the control model of the current control
233 :
234 : If the current control is a grid control, then the returned model is the
235 : model of the current <em>column</em> in the grid.
236 :
237 : @precond
238 : m_xController.is()
239 : */
240 : ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel >
241 : impl_getCurrentControlModel_throw() const;
242 :
243 : /// determines if we have a valid cursor
244 0 : inline bool impl_hasCursor_nothrow() const { return m_xCursorProperties.is(); }
245 :
246 : /** determines the model position from a grid control column's view position
247 :
248 : A grid control can have columns which are currently hidden, so the index of a
249 : column in the view is not necessarily the same as its index in the model.
250 : */
251 : sal_Int16 impl_gridView2ModelPos_nothrow( const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& _rxColumns, sal_Int16 _nViewPos ) const;
252 :
253 : /** moves our cursor one position to the left, caring for different possible
254 : cursor states.
255 :
256 : Before the movement is done, the current row is saved, if necessary.
257 :
258 : @precond
259 : canMoveLeft()
260 : */
261 : bool impl_moveLeft_throw() const;
262 :
263 : /** moves our cursor one position to the right, caring for different possible
264 : cursor states.
265 :
266 : Before the movement is done, the current row is saved, if necessary.
267 :
268 : @precond
269 : canMoveRight()
270 : */
271 : bool impl_moveRight_throw( ) const;
272 :
273 : /** impl-version of commitCurrentRecord, which can be called without caring for
274 : an output parameter, and within const-contexts
275 :
276 : @precond
277 : our mutex is locked
278 : */
279 : bool impl_commitCurrentRecord_throw( sal_Bool* _pRecordInserted = NULL ) const;
280 :
281 : /** impl-version of commitCurrentControl, which can be called in const-contexts
282 :
283 : @precond
284 : our mutex is locked
285 : */
286 : bool impl_commitCurrentControl_throw() const;
287 :
288 : /// resets all control models in our own form
289 : void impl_resetAllControls_nothrow() const;
290 :
291 : /// executes the "auto sort ascending" and "auto sort descending" features
292 : void impl_executeAutoSort_throw( bool _bUp ) const;
293 :
294 : /// executes the "auto filter" feature
295 : void impl_executeAutoFilter_throw( ) const;
296 :
297 : /// executes the interactive sort resp. filter feature
298 : void impl_executeFilterOrSort_throw( bool _bFilter ) const;
299 :
300 : private:
301 : /** calls a (member) function, catches SQLExceptions, extends them with additional context information,
302 : and rethrows them
303 :
304 : @param f
305 : a fuctionoid with no arguments to do the work
306 : @param _nErrorResourceId
307 : the id of the resources string to use as error message
308 : */
309 : template < typename FunctObj >
310 : void impl_doActionInSQLContext_throw( FunctObj f, sal_uInt16 _nErrorResourceId ) const;
311 :
312 : // functionoid to call appendOrderByColumn
313 0 : class impl_appendOrderByColumn_throw
314 : {
315 : public:
316 0 : impl_appendOrderByColumn_throw(const FormOperations *pFO,
317 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > xField,
318 : bool bUp)
319 : : m_pFO(pFO)
320 : , m_xField(xField)
321 0 : , m_bUp(bUp)
322 0 : {};
323 :
324 0 : void operator()() { m_pFO->m_xParser->appendOrderByColumn(m_xField, m_bUp); }
325 : private:
326 : const FormOperations *m_pFO;
327 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > m_xField;
328 : bool m_bUp;
329 : };
330 :
331 : // functionoid to call appendFilterByColumn
332 0 : class impl_appendFilterByColumn_throw
333 : {
334 : public:
335 0 : impl_appendFilterByColumn_throw(const FormOperations *pFO,
336 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > xField)
337 : : m_pFO(pFO)
338 0 : , m_xField(xField)
339 0 : {};
340 :
341 0 : void operator()() { m_pFO->m_xParser->appendFilterByColumn( m_xField, sal_True, ::com::sun::star::sdb::SQLFilterOperator::EQUAL ); }
342 : private:
343 : const FormOperations *m_pFO;
344 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > m_xField;
345 : };
346 :
347 : private:
348 : FormOperations(); // never implemented
349 : FormOperations( const FormOperations& ); // never implemented
350 : FormOperations& operator=( const FormOperations& ); // never implemented
351 :
352 : public:
353 : class MethodGuard
354 : {
355 : FormOperations& m_rOwner;
356 : bool m_bCleared;
357 :
358 : public:
359 11 : inline MethodGuard( FormOperations& _rOwner )
360 : :m_rOwner( _rOwner )
361 11 : ,m_bCleared( false )
362 : {
363 11 : m_rOwner.enterMethod( FormOperations::MethodAccess() );
364 11 : }
365 :
366 11 : inline ~MethodGuard()
367 : {
368 11 : clear();
369 11 : }
370 :
371 11 : inline void clear()
372 : {
373 11 : if ( !m_bCleared )
374 11 : m_rOwner.leaveMethod( FormOperations::MethodAccess() );
375 11 : m_bCleared = true;
376 11 : }
377 : };
378 : };
379 :
380 : //........................................................................
381 : } // namespace frm
382 : //........................................................................
383 :
384 : #endif // FORMS_FORMOPERATIONS_HXX
385 :
386 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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