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Diffstat (limited to 'extensions/source/propctrlr/defaulthelpprovider.cxx')
| -rw-r--r-- | extensions/source/propctrlr/defaulthelpprovider.cxx | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/extensions/source/propctrlr/defaulthelpprovider.cxx b/extensions/source/propctrlr/defaulthelpprovider.cxx new file mode 100644 index 000000000..8f1e22b82 --- /dev/null +++ b/extensions/source/propctrlr/defaulthelpprovider.cxx @@ -0,0 +1,184 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include "defaulthelpprovider.hxx" +#include "pcrcommon.hxx" + +#include <com/sun/star/ucb/AlreadyInitializedException.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> + +#include <toolkit/helper/vclunohelper.hxx> +#include <vcl/window.hxx> +#include <tools/diagnose_ex.h> +#include <cppuhelper/supportsservice.hxx> + + +namespace pcr +{ + + + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::XComponentContext; + using ::com::sun::star::inspection::XPropertyControl; + using ::com::sun::star::uno::RuntimeException; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::uno::Any; + using ::com::sun::star::uno::Exception; + using ::com::sun::star::inspection::XObjectInspectorUI; + using ::com::sun::star::uno::XInterface; + using ::com::sun::star::ucb::AlreadyInitializedException; + using ::com::sun::star::lang::IllegalArgumentException; + using ::com::sun::star::uno::UNO_QUERY; + using ::com::sun::star::uno::UNO_QUERY_THROW; + using ::com::sun::star::awt::XWindow; + + DefaultHelpProvider::DefaultHelpProvider() + :m_bConstructed( false ) + { + } + + + DefaultHelpProvider::~DefaultHelpProvider() + { + } + + + Sequence< OUString > SAL_CALL DefaultHelpProvider::getSupportedServiceNames() + { + return { "com.sun.star.inspection.DefaultHelpProvider" }; + } + + OUString SAL_CALL DefaultHelpProvider::getImplementationName() + { + return "org.openoffice.comp.extensions.DefaultHelpProvider"; + } + + sal_Bool SAL_CALL DefaultHelpProvider::supportsService(const OUString& aServiceName) + { + return cppu::supportsService(this, aServiceName); + } + + + void SAL_CALL DefaultHelpProvider::focusGained( const Reference< XPropertyControl >& Control ) + { + if ( !m_xInspectorUI.is() ) + throw RuntimeException( OUString(), *this ); + + try + { + m_xInspectorUI->setHelpSectionText( impl_getHelpText_nothrow( Control ) ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("extensions.propctrlr"); + } + } + + + void SAL_CALL DefaultHelpProvider::valueChanged( const Reference< XPropertyControl >& ) + { + // not interested in + } + + + void SAL_CALL DefaultHelpProvider::initialize( const Sequence< Any >& _arguments ) + { + if ( m_bConstructed ) + throw AlreadyInitializedException(); + + StlSyntaxSequence< Any > arguments( _arguments ); + if ( arguments.size() == 1 ) + { // constructor: "create( XObjectInspectorUI )" + Reference< XObjectInspectorUI > xUI( arguments[0], UNO_QUERY ); + create( xUI ); + return; + } + + throw IllegalArgumentException( OUString(), *this, 0 ); + } + + + void DefaultHelpProvider::create( const Reference< XObjectInspectorUI >& _rxUI ) + { + if ( !_rxUI.is() ) + throw IllegalArgumentException( OUString(), *this, 1 ); + + try + { + m_xInspectorUI = _rxUI; + m_xInspectorUI->registerControlObserver( this ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("extensions.propctrlr"); + } + + m_bConstructed = true; + } + + + vcl::Window* DefaultHelpProvider::impl_getVclControlWindow_nothrow( const Reference< XPropertyControl >& _rxControl ) + { + vcl::Window* pControlWindow = nullptr; + OSL_PRECOND( _rxControl.is(), "DefaultHelpProvider::impl_getVclControlWindow_nothrow: illegal control!" ); + if ( !_rxControl.is() ) + return pControlWindow; + + try + { + Reference< XWindow > xControlWindow( _rxControl->getControlWindow(), css::uno::UNO_SET_THROW ); + pControlWindow = VCLUnoHelper::GetWindow( xControlWindow ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("extensions.propctrlr"); + } + + return pControlWindow; + } + + + OUString DefaultHelpProvider::impl_getHelpText_nothrow( const Reference< XPropertyControl >& _rxControl ) + { + OUString sHelpText; + OSL_PRECOND( _rxControl.is(), "DefaultHelpProvider::impl_getHelpText_nothrow: illegal control!" ); + if ( !_rxControl.is() ) + return sHelpText; + + vcl::Window* pControlWindow( impl_getVclControlWindow_nothrow( _rxControl ) ); + OSL_ENSURE( pControlWindow, "DefaultHelpProvider::impl_getHelpText_nothrow: could not determine the VCL window!" ); + if ( !pControlWindow ) + return sHelpText; + + sHelpText = pControlWindow->GetHelpText(); + return sHelpText; + } + +} // namespace pcr + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +extensions_propctrlr_DefaultHelpProvider_get_implementation( + css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const&) +{ + return cppu::acquire(new pcr::DefaultHelpProvider()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |