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Diffstat (limited to 'svx/inc/DescriptionGenerator.hxx')
-rw-r--r-- | svx/inc/DescriptionGenerator.hxx | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/svx/inc/DescriptionGenerator.hxx b/svx/inc/DescriptionGenerator.hxx new file mode 100644 index 000000000..b696cc33e --- /dev/null +++ b/svx/inc/DescriptionGenerator.hxx @@ -0,0 +1,140 @@ +/* -*- 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 <sal/config.h> + +#include <string_view> + +#include <com/sun/star/uno/Reference.hxx> +#include <rtl/ustrbuf.hxx> +#include <unotools/resmgr.hxx> + +namespace com::sun::star::beans +{ +class XPropertySet; +} +namespace com::sun::star::drawing +{ +class XShape; +} + +namespace accessibility +{ +/** This class creates description strings for shapes. + <p>Initialized with a given shape additional calls to the + <member>addProperty</member> method will build a descriptive string that + starts with a general shape description and the shapes style. Appended + are all the specified property names and values that differ from the + default values in the style.</p> +*/ +class DescriptionGenerator +{ +public: + enum class PropertyType + { + Color, + Integer + }; + + /** Creates a new description generator with an empty description + string. Usually you will want to call initialize next to specify + a general description of the shape. + @param xShape + The shape from which properties will be extracted by later calls + to <member>addProperty</member>. + */ + DescriptionGenerator(const css::uno::Reference<css::drawing::XShape>& xShape); + + ~DescriptionGenerator(); + + /** Initialize the description with the given prefix followed by the + shape style in parentheses and a colon. + @param sPrefix + An introductory description of the shape that is made more + specific by later calls to <member>addProperty</member>. + */ + void Initialize(std::u16string_view sPrefix); + + /** Initialize the description with the specified string from the + resource followed by the shape style in parentheses and a colon. + @param pResourceId + A resource id the specifies the introductory description of the + shape that is made more specific by later calls to + <member>addProperty</member>. + */ + void Initialize(TranslateId pResourceId); + + /** Returns the description string and then resets it. Usually called + as last method before destroying the object. + @return + The description string in its current form. + */ + OUString operator()(void); + + /** Add the given property name and its associated value to the + description string. If the property value does not differ from the + default value of the shape's style then the description string is + not modified. + @param sPropertyName + The Name of the property to append. + @param aType + Type of the property's value. It controls the transformation + into the value's string representation. + @param sLocalizedName + Localized name of the property. An empty string tells the + method to use the property name instead. + */ + void AddProperty(const OUString& sPropertyName, PropertyType aType); + + /** Append the given string as is to the current description. + @param sString + String to append to the current description. It is not modified + in any way. + */ + void AppendString(std::u16string_view sString); + +private: + /// Reference to the shape from which the properties are extracted. + css::uno::Reference<css::drawing::XShape> mxShape; + + /// Reference to the shape's property set. + css::uno::Reference<css::beans::XPropertySet> mxSet; + + /// The description string that is build. + OUStringBuffer msDescription; + + /** This flag is used to determine whether to insert a separator e.g. a + comma before the next property. + */ + bool mbIsFirstProperty; + + /** Add a property value formatted as color to the description string. + */ + void AddColor(const OUString& sPropertyName); + + /** Add a property value formatted as integer to the description string. + */ + void AddInteger(const OUString& sPropertyName); +}; + +} // end of namespace accessibility + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |