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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 :
21 : #include "defaulthelpprovider.hxx"
22 : #include "pcrcommon.hxx"
23 : #include "modulepcr.hxx"
24 :
25 : #include <com/sun/star/ucb/AlreadyInitializedException.hpp>
26 : #include <com/sun/star/lang/IllegalArgumentException.hpp>
27 : #include <com/sun/star/awt/XVclWindowPeer.hpp>
28 :
29 : #include <toolkit/helper/vclunohelper.hxx>
30 : #include <vcl/window.hxx>
31 : #include <tools/diagnose_ex.h>
32 :
33 : //------------------------------------------------------------------------
34 0 : extern "C" void SAL_CALL createRegistryInfo_DefaultHelpProvider()
35 : {
36 0 : ::pcr::OAutoRegistration< ::pcr::DefaultHelpProvider > aAutoRegistration;
37 0 : }
38 :
39 : //........................................................................
40 : namespace pcr
41 : {
42 : //........................................................................
43 :
44 : /** === begin UNO using === **/
45 : using ::com::sun::star::uno::Reference;
46 : using ::com::sun::star::uno::XComponentContext;
47 : using ::com::sun::star::inspection::XPropertyControl;
48 : using ::com::sun::star::uno::RuntimeException;
49 : using ::com::sun::star::uno::Sequence;
50 : using ::com::sun::star::uno::Any;
51 : using ::com::sun::star::uno::Exception;
52 : using ::com::sun::star::inspection::XObjectInspectorUI;
53 : using ::com::sun::star::uno::XInterface;
54 : using ::com::sun::star::ucb::AlreadyInitializedException;
55 : using ::com::sun::star::lang::IllegalArgumentException;
56 : using ::com::sun::star::uno::UNO_QUERY;
57 : using ::com::sun::star::uno::UNO_QUERY_THROW;
58 : using ::com::sun::star::awt::XWindow;
59 : using ::com::sun::star::awt::XVclWindowPeer;
60 : /** === end UNO using === **/
61 :
62 : //====================================================================
63 : //= DefaultHelpProvider
64 : //====================================================================
65 : //--------------------------------------------------------------------
66 0 : DefaultHelpProvider::DefaultHelpProvider( const Reference< XComponentContext >& _rxContext )
67 : :m_aContext( _rxContext )
68 0 : ,m_bConstructed( false )
69 : {
70 0 : }
71 :
72 : //--------------------------------------------------------------------
73 0 : DefaultHelpProvider::~DefaultHelpProvider()
74 : {
75 0 : }
76 :
77 : //------------------------------------------------------------------------
78 0 : ::rtl::OUString DefaultHelpProvider::getImplementationName_static( ) throw(RuntimeException)
79 : {
80 0 : return ::rtl::OUString("org.openoffice.comp.extensions.DefaultHelpProvider");
81 : }
82 :
83 : //------------------------------------------------------------------------
84 0 : Sequence< ::rtl::OUString > DefaultHelpProvider::getSupportedServiceNames_static( ) throw(RuntimeException)
85 : {
86 0 : Sequence< ::rtl::OUString > aSupported(1);
87 0 : aSupported[0] = ::rtl::OUString("com.sun.star.inspection.DefaultHelpProvider");
88 0 : return aSupported;
89 : }
90 :
91 : //------------------------------------------------------------------------
92 0 : Reference< XInterface > SAL_CALL DefaultHelpProvider::Create( const Reference< XComponentContext >& _rxContext )
93 : {
94 0 : return *new DefaultHelpProvider( _rxContext );
95 : }
96 :
97 : //--------------------------------------------------------------------
98 0 : void SAL_CALL DefaultHelpProvider::focusGained( const Reference< XPropertyControl >& _Control ) throw (RuntimeException)
99 : {
100 0 : if ( !m_xInspectorUI.is() )
101 0 : throw RuntimeException( ::rtl::OUString(), *this );
102 :
103 : try
104 : {
105 0 : m_xInspectorUI->setHelpSectionText( impl_getHelpText_nothrow( _Control ) );
106 : }
107 0 : catch( const Exception& )
108 : {
109 : DBG_UNHANDLED_EXCEPTION();
110 : }
111 0 : }
112 :
113 : //--------------------------------------------------------------------
114 0 : void SAL_CALL DefaultHelpProvider::valueChanged( const Reference< XPropertyControl >& /*_Control*/ ) throw (RuntimeException)
115 : {
116 : // not interested in
117 0 : }
118 :
119 : //--------------------------------------------------------------------
120 0 : void SAL_CALL DefaultHelpProvider::initialize( const Sequence< Any >& _arguments ) throw (Exception, RuntimeException)
121 : {
122 0 : if ( m_bConstructed )
123 0 : throw AlreadyInitializedException();
124 :
125 0 : StlSyntaxSequence< Any > arguments( _arguments );
126 0 : if ( arguments.size() == 1 )
127 : { // constructor: "create( XObjectInspectorUI )"
128 0 : Reference< XObjectInspectorUI > xUI( arguments[0], UNO_QUERY );
129 0 : create( xUI );
130 0 : return;
131 : }
132 :
133 0 : throw IllegalArgumentException( ::rtl::OUString(), *this, 0 );
134 : }
135 :
136 : //--------------------------------------------------------------------
137 0 : void DefaultHelpProvider::create( const Reference< XObjectInspectorUI >& _rxUI )
138 : {
139 0 : if ( !_rxUI.is() )
140 0 : throw IllegalArgumentException( ::rtl::OUString(), *this, 1 );
141 :
142 : try
143 : {
144 0 : m_xInspectorUI = _rxUI;
145 0 : m_xInspectorUI->registerControlObserver( this );
146 : }
147 0 : catch( const Exception& )
148 : {
149 : DBG_UNHANDLED_EXCEPTION();
150 : }
151 :
152 0 : m_bConstructed = true;
153 0 : }
154 :
155 : //--------------------------------------------------------------------
156 0 : Window* DefaultHelpProvider::impl_getVclControlWindow_nothrow( const Reference< XPropertyControl >& _rxControl )
157 : {
158 0 : Window* pControlWindow = NULL;
159 : OSL_PRECOND( _rxControl.is(), "DefaultHelpProvider::impl_getVclControlWindow_nothrow: illegal control!" );
160 0 : if ( !_rxControl.is() )
161 0 : return pControlWindow;
162 :
163 : try
164 : {
165 0 : Reference< XWindow > xControlWindow( _rxControl->getControlWindow(), UNO_QUERY_THROW );
166 0 : pControlWindow = VCLUnoHelper::GetWindow( xControlWindow );
167 : }
168 0 : catch( const Exception& )
169 : {
170 : DBG_UNHANDLED_EXCEPTION();
171 : }
172 :
173 0 : return pControlWindow;
174 : }
175 :
176 : //--------------------------------------------------------------------
177 0 : ::rtl::OUString DefaultHelpProvider::impl_getHelpText_nothrow( const Reference< XPropertyControl >& _rxControl )
178 : {
179 0 : ::rtl::OUString sHelpText;
180 : OSL_PRECOND( _rxControl.is(), "DefaultHelpProvider::impl_getHelpText_nothrow: illegal control!" );
181 0 : if ( !_rxControl.is() )
182 0 : return sHelpText;
183 :
184 0 : Window* pControlWindow( impl_getVclControlWindow_nothrow( _rxControl ) );
185 : OSL_ENSURE( pControlWindow, "DefaultHelpProvider::impl_getHelpText_nothrow: could not determine the VCL window!" );
186 0 : if ( !pControlWindow )
187 0 : return sHelpText;
188 :
189 0 : sHelpText = pControlWindow->GetHelpText();
190 0 : return sHelpText;
191 : }
192 : //........................................................................
193 : } // namespace pcr
194 : //........................................................................
195 :
196 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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