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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 SVX_FORMCONTROLLING_HXX
21 : #define SVX_FORMCONTROLLING_HXX
22 :
23 : #include <com/sun/star/form/runtime/XFormController.hpp>
24 : #include <com/sun/star/form/XForm.hpp>
25 : #include <com/sun/star/form/runtime/FeatureState.hpp>
26 : #include <com/sun/star/form/runtime/XFormOperations.hpp>
27 : #include <com/sun/star/sdb/XSQLErrorListener.hpp>
28 :
29 : #include <cppuhelper/implbase2.hxx>
30 :
31 : #include <vector>
32 :
33 : //........................................................................
34 : namespace svx
35 : {
36 : //........................................................................
37 :
38 : //====================================================================
39 : //= FeatureSlotTranslation
40 : //====================================================================
41 : class FeatureSlotTranslation
42 : {
43 : public:
44 : /// retrieves the feature id for a given feature URL
45 : static sal_Int32 getControllerFeatureSlotIdForURL( const OUString& _rMainURL );
46 :
47 : /// retrieves the css.form.runtime.FormFeature ID for a given slot ID
48 : static sal_Int16 getFormFeatureForSlotId( sal_Int32 _nSlotId );
49 :
50 : /// retrieves the slot id for a given css.form.runtime.FormFeature ID
51 : static sal_Int32 getSlotIdForFormFeature( sal_Int16 _nFormFeature );
52 : };
53 :
54 : //====================================================================
55 : //= IControllerFeatureInvalidation
56 : //====================================================================
57 1055 : class IControllerFeatureInvalidation
58 : {
59 : public:
60 : /** invalidates the given features
61 :
62 : Invalidation means that any user interface representation (such as toolbox buttons), or
63 : any dispatches associated with the features in question are potentially out-of-date, and
64 : need to be updated
65 :
66 : @param _rFeatures
67 : Ids of the features to be invalidated.
68 : */
69 : virtual void invalidateFeatures( const ::std::vector< sal_Int32 >& _rFeatures ) = 0;
70 :
71 : protected:
72 1052 : ~IControllerFeatureInvalidation() {}
73 : };
74 :
75 : //====================================================================
76 : //= ControllerFeatures
77 : //====================================================================
78 : class FormControllerHelper;
79 : /** easier access to an FormControllerHelper instance
80 : */
81 : class ControllerFeatures
82 : {
83 : protected:
84 : IControllerFeatureInvalidation* m_pInvalidationCallback; // necessary as long as m_pImpl is not yet constructed
85 : FormControllerHelper* m_pImpl;
86 :
87 : public:
88 : /** standard ctor
89 :
90 : The instance is not functional until <method>assign</method> is used.
91 :
92 : @param _pInvalidationCallback
93 : the callback for invalidating feature states
94 : */
95 : ControllerFeatures(
96 : IControllerFeatureInvalidation* _pInvalidationCallback
97 : );
98 :
99 : /** constructs the instance from a <type scope="com::sun::star::form::runtime">XFormController<type> instance
100 :
101 : @param _rxController
102 : The form controller which the helper should be responsible for. Must not
103 : be <NULL/>, and must have a valid model (form).
104 :
105 : @param _pInvalidationCallback
106 : the callback for invalidating feature states
107 : */
108 : ControllerFeatures(
109 : const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >& _rxController,
110 : IControllerFeatureInvalidation* _pInvalidationCallback
111 : );
112 :
113 : /// dtor
114 : ~ControllerFeatures();
115 :
116 : /// checks whether the instance is properly assigned to a form and/or controller
117 0 : inline bool isAssigned( ) const { return m_pImpl != NULL; }
118 :
119 : /** assign to a controller
120 : */
121 : void assign(
122 : const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >& _rxController
123 : );
124 :
125 : /// clears the instance so that it cannot be used afterwards
126 : void dispose();
127 :
128 : // access to the instance which implements the functionality. Not to be used when not assigned
129 6 : inline const FormControllerHelper* operator->() const { return m_pImpl; }
130 0 : inline FormControllerHelper* operator->() { return m_pImpl; }
131 : inline const FormControllerHelper& operator*() const { return *m_pImpl; }
132 : inline FormControllerHelper& operator*() { return *m_pImpl; }
133 : };
134 :
135 : //====================================================================
136 : //= FormControllerHelper
137 : //====================================================================
138 : typedef ::cppu::WeakImplHelper2 < ::com::sun::star::form::runtime::XFeatureInvalidation
139 : , ::com::sun::star::sdb::XSQLErrorListener
140 : > FormControllerHelper_Base;
141 : /** is a helper class which manages form controller functionality (such as moveNext etc.).
142 :
143 : <p>The class helps implementing form controller functionality, by providing
144 : methods to determine the state of, and execute, various common form features.<br/>
145 : A <em>feature</em> is for instance moving the form associated with the controller
146 : to a certain position, or reloading the form, and so on.</p>
147 : */
148 : class FormControllerHelper : public FormControllerHelper_Base
149 : {
150 : protected:
151 : IControllerFeatureInvalidation* m_pInvalidationCallback;
152 : ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormOperations >
153 : m_xFormOperations;
154 :
155 : ::com::sun::star::uno::Any m_aOperationError;
156 :
157 : public:
158 : /** constructs the helper from a <type scope="com::sun::star::form::runtime">XFormController<type> instance
159 :
160 : @param _rxController
161 : The form controller which the helper should be responsible for. Must not
162 : be <NULL/>, and must have a valid model (form).
163 : @param _pInvalidationCallback
164 : the callback for invalidating feature states
165 : */
166 : FormControllerHelper(
167 : const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >& _rxController,
168 : IControllerFeatureInvalidation* _pInvalidationCallback
169 : );
170 :
171 : // forwards to the XFormOperations implementation
172 : ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet >
173 : getCursor() const;
174 : void getState(
175 : sal_Int32 _nSlotId,
176 : ::com::sun::star::form::runtime::FeatureState& _out_rState
177 : ) const;
178 : sal_Bool isEnabled( sal_Int32 _nSlotId ) const;
179 : void execute( sal_Int32 _nSlotId ) const;
180 : void execute( sal_Int32 _nSlotId, const OUString& _rParamName, const ::com::sun::star::uno::Any& _rParamValue ) const;
181 : sal_Bool commitCurrentRecord() const;
182 : sal_Bool commitCurrentControl( ) const;
183 : sal_Bool isInsertionRow() const;
184 : sal_Bool isModifiedRow() const;
185 :
186 : bool canDoFormFilter() const;
187 :
188 : /** disposes this instance.
189 :
190 : After this method has been called, the instance is not functional anymore
191 : */
192 : void dispose();
193 :
194 : const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormOperations >&
195 : getFormOperations() const { return m_xFormOperations; }
196 : protected:
197 : /// dtor
198 : ~FormControllerHelper();
199 :
200 : // XFeatureInvalidation
201 : virtual void SAL_CALL invalidateFeatures( const ::com::sun::star::uno::Sequence< ::sal_Int16 >& Features ) throw (::com::sun::star::uno::RuntimeException);
202 : virtual void SAL_CALL invalidateAllFeatures() throw (::com::sun::star::uno::RuntimeException);
203 :
204 : // XSQLErrorListener
205 : virtual void SAL_CALL errorOccured( const ::com::sun::star::sdb::SQLErrorEvent& _Event ) throw (::com::sun::star::uno::RuntimeException);
206 :
207 : // XEventListener
208 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);
209 :
210 : private:
211 : enum FormOperation { EXECUTE, EXECUTE_ARGS, COMMIT_CONTROL, COMMIT_RECORD };
212 :
213 : bool impl_operateForm_nothrow(
214 : const FormOperation _eWhat,
215 : const sal_Int16 _nFeature, /* ignore for COMMIT_* */
216 : const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue >& _rArguments /* ignore except for EXECUTE_ARGS */
217 : ) const;
218 3 : bool impl_operateForm_nothrow( const FormOperation _eWhat ) const
219 : {
220 3 : return impl_operateForm_nothrow( _eWhat, 0, ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue >() );
221 : }
222 : bool impl_operateForm_nothrow( const sal_Int16 _nFeature ) const
223 : {
224 : return impl_operateForm_nothrow( EXECUTE, _nFeature, ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue >() );
225 : }
226 :
227 : private:
228 : FormControllerHelper(); // never implemented
229 : FormControllerHelper( const FormControllerHelper& ); // never implemented
230 : FormControllerHelper& operator=( const FormControllerHelper& ); // never implemented
231 : };
232 :
233 : //........................................................................
234 : } // namespace svx
235 : //........................................................................
236 :
237 : #endif // SVX_FORMCONTROLLING_HXX
238 :
239 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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