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| -rw-r--r-- | include/unotools/configitem.hxx | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/include/unotools/configitem.hxx b/include/unotools/configitem.hxx new file mode 100644 index 000000000..e14aaf0f2 --- /dev/null +++ b/include/unotools/configitem.hxx @@ -0,0 +1,185 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_UNOTOOLS_CONFIGITEM_HXX +#define INCLUDED_UNOTOOLS_CONFIGITEM_HXX + +#include <sal/types.h> +#include <rtl/ustring.hxx> +#include <com/sun/star/uno/Sequence.h> +#include <com/sun/star/uno/Reference.h> +#include <unotools/unotoolsdllapi.h> +#include <unotools/options.hxx> +#include <o3tl/typed_flags_set.hxx> + +namespace com::sun::star { + namespace uno{ + class Any; + } + namespace beans{ + struct PropertyValue; + } + namespace container{ + class XHierarchicalNameAccess; + } + namespace util{ + class XChangesListener; + } +} + +enum class ConfigItemMode +{ + NONE = 0x00, + AllLocales = 0x02, + ReleaseTree = 0x04, +}; + +namespace o3tl +{ + template<> struct typed_flags<ConfigItemMode> : is_typed_flags<ConfigItemMode, 0x06> {}; +} + +namespace utl +{ + + enum class ConfigNameFormat + { + LocalNode, // local node name, for use in XNameAccess etc. ("Item", "Q & A") + LocalPath, // one-level relative path, for use when building paths etc. ("Item", "Typ['Q & A']") + }; + + class UNOTOOLS_DLLPUBLIC ConfigItem : public ConfigurationBroadcaster + { + friend class ConfigChangeListener_Impl; + friend class ConfigManager; + + const OUString sSubTree; + css::uno::Reference< css::container::XHierarchicalNameAccess> + m_xHierarchyAccess; + css::uno::Reference< css::util::XChangesListener > + xChangeLstnr; + ConfigItemMode m_nMode; + bool m_bIsModified; + bool m_bEnableInternalNotification; + sal_Int16 m_nInValueChange; + + void RemoveChangesListener(); + void CallNotify( + const css::uno::Sequence<OUString>& aPropertyNames); + + // In special mode ALL_LOCALES we must support reading/writing of localized cfg entries as Sequence< PropertyValue >. + // These methods are helper to convert given lists of names and Any-values. + // format: PropertyValue.Name = <locale as ISO string> + // PropertyValue.Value = <value; type depends from cfg entry!> + // e.g. + // LOCALIZED NODE + // "UIName" + // LOCALE VALUE + // "de" "Mein Name" + // "en-US" "my name" + void impl_packLocalizedProperties ( const css::uno::Sequence< OUString >& lInNames , + const css::uno::Sequence< css::uno::Any >& lInValues , + css::uno::Sequence< css::uno::Any >& lOutValues ); + void impl_unpackLocalizedProperties ( const css::uno::Sequence< OUString >& lInNames , + const css::uno::Sequence< css::uno::Any >& lInValues , + css::uno::Sequence< OUString >& lOutNames , + css::uno::Sequence< css::uno::Any >& lOutValues ); + + css::uno::Reference< css::container::XHierarchicalNameAccess> + GetTree(); + /** writes the changed values into the sub tree. + Private and only called from non-virtual public Commit(). */ + virtual void ImplCommit() = 0; + + protected: + explicit ConfigItem(const OUString &rSubTree, + ConfigItemMode nMode = ConfigItemMode::NONE); + + void SetModified (); // mark item as modified + void ClearModified(); // reset state after commit! + + css::uno::Sequence< css::uno::Any> + GetProperties(const css::uno::Sequence< OUString >& rNames); + + css::uno::Sequence< sal_Bool > + GetReadOnlyStates(const css::uno::Sequence< OUString >& rNames); + + bool PutProperties( + const css::uno::Sequence< OUString >& rNames, + const css::uno::Sequence< css::uno::Any>& rValues); + + /** enables notifications about changes on selected sub nodes/values + + Before calling this method a second time for a possibly changed node/value set, + you must disable the current notifications by calling DisableNotification. + + @see Notify + @see DisableNotification + */ + bool EnableNotification(const css::uno::Sequence< OUString >& rNames, + bool bEnableInternalNotification = false); + /** disables notifications about changes on sub nodes/values, which previously had + been enabled with EnableNotification + @see Notify + @see EnableNotification + */ + void DisableNotification(); + + //returns all members of a node in a specific format + css::uno::Sequence< OUString > + GetNodeNames(const OUString& rNode); + //returns all members of a node in a specific format + css::uno::Sequence< OUString > + GetNodeNames(const OUString& rNode, ConfigNameFormat eFormat); + // remove all members of a set + bool ClearNodeSet(const OUString& rNode); + // remove selected members of a set + bool ClearNodeElements(const OUString& rNode, + css::uno::Sequence< OUString > const & rElements); + // change or add members to a set + bool SetSetProperties(const OUString& rNode, const css::uno::Sequence< css::beans::PropertyValue >& rValues); + // remove, change or add members of a set + bool ReplaceSetProperties(const OUString& rNode, const css::uno::Sequence< css::beans::PropertyValue >& rValues); + // add a new node without setting any properties + bool AddNode(const OUString& rNode, const OUString& rNewNode); + + public: + virtual ~ConfigItem() override; + + ConfigItem(ConfigItem const &) = default; + ConfigItem(ConfigItem &&) = default; + ConfigItem & operator =(ConfigItem const &) = delete; // due to const sSubTree + ConfigItem & operator =(ConfigItem &&) = delete; // due to const sSubTree + + /** is called from the ConfigManager before application ends of from the + PropertyChangeListener if the sub tree broadcasts changes. */ + virtual void Notify( const css::uno::Sequence<OUString>& aPropertyNames)=0; + + const OUString& GetSubTreeName() const {return sSubTree;} + + bool IsModified() const { return m_bIsModified;} + + void Commit(); + + ConfigItemMode GetMode() const { return m_nMode;} + }; +}//namespace utl +#endif // INCLUDED_UNOTOOLS_CONFIGITEM_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |