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| -rw-r--r-- | extensions/source/propctrlr/sqlcommanddesign.hxx | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/extensions/source/propctrlr/sqlcommanddesign.hxx b/extensions/source/propctrlr/sqlcommanddesign.hxx new file mode 100644 index 000000000..a72ba11b0 --- /dev/null +++ b/extensions/source/propctrlr/sqlcommanddesign.hxx @@ -0,0 +1,193 @@ +/* -*- 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 . + */ + +#pragma once + +#include <com/sun/star/lang/XMultiComponentFactory.hpp> +#include <com/sun/star/beans/XPropertyChangeListener.hpp> +#include <com/sun/star/frame/XController.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> + +#include <connectivity/dbtools.hxx> +#include <tools/link.hxx> +#include <cppuhelper/implbase.hxx> +#include <rtl/ref.hxx> +#include <salhelper/simplereferenceobject.hxx> + + +namespace pcr +{ + + + class ISQLCommandAdapter; + + //= SQLCommandDesigner + + typedef ::cppu::WeakImplHelper < css::beans::XPropertyChangeListener + > SQLCommandDesigner_Base; + /** encapsulates the code for calling and managing a query design frame, used + for interactively designing the Command property of a ->RowSet + */ + class SQLCommandDesigner final : public SQLCommandDesigner_Base + { + private: + css::uno::Reference< css::uno::XComponentContext > m_xContext; + css::uno::Reference< css::lang::XMultiComponentFactory > m_xORB; + ::dbtools::SharedConnection m_xConnection; + css::uno::Reference< css::frame::XController > m_xDesigner; + ::rtl::Reference< ISQLCommandAdapter > m_xObjectAdapter; + Link<SQLCommandDesigner&,void> m_aCloseLink; + + public: + /** creates the instance, and immediately opens the SQL command design frame + + @param _rxContext + our component context. Must not be <NULL/>, and must provide a non-<NULL/> XMultiComponentFactory + @param _rxPropertyAdapter + an adapter to the object's SQL command related properties + @param _rConnection + the current connection of ->_rxRowSet. Must not be <NULL/>. + @param _rCloseLink + link to call when the component has been closed + @throws css::lang::NullPointerException + if any of the arguments (except ->_rCloseLink) is <NULL/>, or if the component context + does not provide a valid component factory. + */ + SQLCommandDesigner( + const css::uno::Reference< css::uno::XComponentContext >& _rxContext, + const ::rtl::Reference< ISQLCommandAdapter >& _rxPropertyAdapter, + const ::dbtools::SharedConnection& _rConnection, + const Link<SQLCommandDesigner&,void>& _rCloseLink + ); + + /** determines whether the SQL Command designer is currently active, i.e. + if there currently exists a frame which allows the user entering the SQL command + */ + bool isActive() const { return m_xDesigner.is(); } + + /** returns the property adapter used by the instance + */ + const ::rtl::Reference< ISQLCommandAdapter >& getPropertyAdapter() const { return m_xObjectAdapter; } + + /** raises the designer window to top + @precond + the designer is active (->isActive) + @precond + the instance is not disposed + */ + void raise() const; + + /** suspends the designer + @precond + the designer is active (->isActive) + @precond + the instance is not disposed + */ + bool suspend() const; + + /** disposes the instance so that it becomes non-functional + */ + void dispose(); + + private: + // XPropertyChangeListener + virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& evt ) override; + + // XEventListener + virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override; + + virtual ~SQLCommandDesigner() override; + + /** opens a new frame for interactively designing an SQL command + @precond + the designer is not currently active (see ->isActive) + @precond + ->m_xConnection is not <NULL/> + */ + void impl_doOpenDesignerFrame_nothrow(); + + /** impl-version of ->raise + */ + void impl_raise_nothrow() const; + + /** determines whether we are already disposed + */ + bool impl_isDisposed() const + { + return !m_xContext.is(); + } + /** checks whether we are already disposed + @throws css::lang::DisposedException + if we in fact are disposed + */ + void impl_checkDisposed_throw() const; + + /** create an empty top-level frame, which does not belong to the desktop's frame list + @precond + ->m_xORB is not <NULL/> + */ + css::uno::Reference< css::frame::XFrame > + impl_createEmptyParentlessTask_nothrow() const; + + /** closes the component denoted by m_xDesigner + @precond + our designer component is actually active (->isActive) + @precond + we're not disposed already + */ + void impl_closeDesigner_nothrow(); + + /** suspends our designer component + @precond + the designer component is actually active (->isActive) + @return + <TRUE/> if the suspension was successful, <FALSE/> if it was vetoed + */ + bool impl_trySuspendDesigner_nothrow() const; + + SQLCommandDesigner( const SQLCommandDesigner& ) = delete; + SQLCommandDesigner& operator=( const SQLCommandDesigner& ) = delete; + }; + + + //= ISQLCommandAdapter + + /** an adapter to forward changed SQL command property values to a component + */ + class ISQLCommandAdapter : public salhelper::SimpleReferenceObject + { + public: + /// retrieves the current SQL command of the component + virtual OUString getSQLCommand() const = 0; + /// retrieves the current value of the EscapeProcessing property of the component + virtual bool getEscapeProcessing() const = 0; + + /// sets a new SQL command + virtual void setSQLCommand( const OUString& _rCommand ) const = 0; + /// sets a new EscapeProcessing property value + virtual void setEscapeProcessing( const bool _bEscapeProcessing ) const = 0; + + virtual ~ISQLCommandAdapter() override; + }; + + +} // namespace pcr + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |