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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 EXTENSIONS_SOURCE_PROPCTRLR_SQLCOMMANDDESIGN_HXX
21 : #define EXTENSIONS_SOURCE_PROPCTRLR_SQLCOMMANDDESIGN_HXX
22 :
23 : #include <com/sun/star/lang/XMultiComponentFactory.hpp>
24 : #include <com/sun/star/beans/XPropertyChangeListener.hpp>
25 : #include <com/sun/star/frame/XController.hpp>
26 : #include <com/sun/star/beans/XPropertySet.hpp>
27 : #include <com/sun/star/uno/XComponentContext.hpp>
28 : #include <com/sun/star/inspection/XObjectInspectorUI.hpp>
29 :
30 : #include <connectivity/dbtools.hxx>
31 : #include <tools/link.hxx>
32 : #include <cppuhelper/implbase1.hxx>
33 : #include <rtl/ref.hxx>
34 :
35 : //........................................................................
36 : namespace pcr
37 : {
38 : //........................................................................
39 :
40 : class ISQLCommandAdapter;
41 : //====================================================================
42 : //= SQLCommandDesigner
43 : //====================================================================
44 : typedef ::cppu::WeakImplHelper1 < ::com::sun::star::beans::XPropertyChangeListener
45 : > SQLCommandDesigner_Base;
46 : /** encapsulates the code for calling and managing a query design frame, used
47 : for interactively designing the Command property of a ->RowSet
48 : */
49 : class SQLCommandDesigner : public SQLCommandDesigner_Base
50 : {
51 : private:
52 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
53 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiComponentFactory > m_xORB;
54 : ::dbtools::SharedConnection m_xConnection;
55 : ::com::sun::star::uno::Reference< ::com::sun::star::frame::XController > m_xDesigner;
56 : ::rtl::Reference< ISQLCommandAdapter > m_xObjectAdapter;
57 : Link m_aCloseLink;
58 :
59 : public:
60 : /** creates the instance, and immediately opens the SQL command design frame
61 :
62 : @param _rxContext
63 : our component context. Must not be <NULL/>, and must provide a non-<NULL/> XMultiComponentFactory
64 : @param _rxPropertyAdapter
65 : an adapter to the object's SQL command related properties
66 : @param _rConnection
67 : the current connection of ->_rxRowSet. Must not be <NULL/>.
68 : @param _rCloseLink
69 : link to call when the component has been closed
70 : @throws ::com::sun::star::lang::NullPointerException
71 : if any of the arguments (except ->_rCloseLink) is <NULL/>, or if the component context
72 : does not provide a valid component factory.
73 : */
74 : SQLCommandDesigner(
75 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext,
76 : const ::rtl::Reference< ISQLCommandAdapter >& _rxPropertyAdapter,
77 : const ::dbtools::SharedConnection& _rConnection,
78 : const Link& _rCloseLink
79 : );
80 :
81 : /** determines whether the SQL Command designer is currently active, i.e.
82 : if there currently exists a frame which allows the user entering the SQL command
83 : */
84 0 : inline bool isActive() const { return m_xDesigner.is(); }
85 :
86 : /** returns the property adapter used by the instance
87 : */
88 0 : inline const ::rtl::Reference< ISQLCommandAdapter >& getPropertyAdapter() const { return m_xObjectAdapter; }
89 :
90 : /** raises the designer window to top
91 : @precond
92 : the designer is active (->isActive)
93 : @precond
94 : the instance is not disposed
95 : */
96 : void raise() const;
97 :
98 : /** suspends the designer
99 : @precond
100 : the designer is active (->isActive)
101 : @precond
102 : the instance is not disposed
103 : */
104 : bool suspend() const;
105 :
106 : /** disposes the instance so that it becomes non-functional
107 : */
108 : void dispose();
109 :
110 : protected:
111 : // XPropertyChangeListener
112 : virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw (::com::sun::star::uno::RuntimeException);
113 :
114 : // XEventListener
115 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);
116 :
117 : protected:
118 : ~SQLCommandDesigner();
119 :
120 : /** opens a new frame for interactively designing an SQL command
121 : @precond
122 : the designer is not currently active (see ->isActive)
123 : @precond
124 : ->m_xConnection is not <NULL/>
125 : */
126 : void impl_doOpenDesignerFrame_nothrow();
127 :
128 : /** impl-version of ->raise
129 : */
130 : void impl_raise_nothrow() const;
131 :
132 : /** determines whether we are already disposed
133 : */
134 0 : bool impl_isDisposed() const
135 : {
136 0 : return !m_xContext.is();
137 : }
138 : /** checks whether we are already disposed
139 : @throws ::com::sun::star::lang::DisposedException
140 : if we in fact are disposed
141 : */
142 : void impl_checkDisposed_throw() const;
143 :
144 : /** create an empty top-level frame, which does not belong to the desktop's frame list
145 : @precond
146 : ->m_xORB is not <NULL/>
147 : */
148 : ::com::sun::star::uno::Reference< ::com::sun::star::frame::XFrame >
149 : impl_createEmptyParentlessTask_nothrow() const;
150 :
151 : /** called whenever the component denoted by m_xDesigner has been closed
152 : <em>by an external instance</em>
153 : */
154 : void impl_designerClosed_nothrow();
155 :
156 : /** closes the component denoted by m_xDesigner
157 : @precond
158 : our designer component is actually active (->isActive)
159 : @precond
160 : we're not disposed already
161 : */
162 : void impl_closeDesigner_nothrow();
163 :
164 : /** suspends our designer component
165 : @precond
166 : the designer component is actually active (->isActive)
167 : @return
168 : <TRUE/> if the suspension was successful, <FALSE/> if it was vetoed
169 : */
170 : bool impl_trySuspendDesigner_nothrow() const;
171 :
172 : /** gets the current value of the command property
173 : */
174 : ::rtl::OUString
175 : impl_getCommandPropertyValue_nothrow();
176 :
177 : /** sets anew value for the command property
178 : */
179 : void impl_setCommandPropertyValue_nothrow( const ::rtl::OUString& _rCommand ) const;
180 :
181 : private:
182 : SQLCommandDesigner(); // never implemented
183 : SQLCommandDesigner( const SQLCommandDesigner& ); // never implemented
184 : SQLCommandDesigner& operator=( const SQLCommandDesigner& ); // never implemented
185 : };
186 :
187 : //====================================================================
188 : //= ISQLCommandAdapter
189 : //====================================================================
190 : /** an adapter to forward changed SQL command property values to a component
191 : */
192 0 : class ISQLCommandAdapter : public ::rtl::IReference
193 : {
194 : public:
195 : /// retrieves the current SQL command of the component
196 : virtual ::rtl::OUString getSQLCommand() const = 0;
197 : /// retrieves the current value of the EscapeProcessing property of the component
198 : virtual sal_Bool getEscapeProcessing() const = 0;
199 :
200 : /// sets a new SQL command
201 : virtual void setSQLCommand( const ::rtl::OUString& _rCommand ) const = 0;
202 : /// sets a new EscapeProcessing property value
203 : virtual void setEscapeProcessing( const sal_Bool _bEscapeProcessing ) const = 0;
204 :
205 : virtual ~ISQLCommandAdapter();
206 : };
207 :
208 : //........................................................................
209 : } // namespace pcr
210 : //........................................................................
211 :
212 : #endif // EXTENSIONS_SOURCE_PROPCTRLR_SQLCOMMANDDESIGN_HXX
213 :
214 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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