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| -rw-r--r-- | extensions/source/propctrlr/cellbindinghelper.hxx | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/extensions/source/propctrlr/cellbindinghelper.hxx b/extensions/source/propctrlr/cellbindinghelper.hxx new file mode 100644 index 000000000..a2c85cd65 --- /dev/null +++ b/extensions/source/propctrlr/cellbindinghelper.hxx @@ -0,0 +1,272 @@ +/* -*- 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/frame/XModel.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/sheet/XSpreadsheetDocument.hpp> +#include <com/sun/star/table/CellAddress.hpp> +#include <com/sun/star/table/CellRangeAddress.hpp> +#include <com/sun/star/form/binding/XValueBinding.hpp> +#include <com/sun/star/form/binding/XListEntrySource.hpp> +#include <com/sun/star/sheet/XSpreadsheet.hpp> + + +namespace pcr +{ + + /** encapsulates functionality related to binding a form control to a spreadsheet cell + */ + class CellBindingHelper final + { + css::uno::Reference< css::beans::XPropertySet > + m_xControlModel; // the model we work for + css::uno::Reference< css::sheet::XSpreadsheetDocument > + m_xDocument; // the document where the model lives + + public: + /** ctor + @param _rxControlModel + the control model which is or will be bound + */ + CellBindingHelper( + const css::uno::Reference< css::beans::XPropertySet >& _rxControlModel, + const css::uno::Reference< css::frame::XModel >& _rxContextDocument + ); + + /** determines whether the given model is a spreadsheet document model + + <p>If this method returns <FALSE/>, you cannot instantiate a CellBindingHelper with + the document, since then no of its functionality will be available.</p> + */ + static bool isSpreadsheetDocument( + const css::uno::Reference< css::frame::XModel >& _rxContextDocument + ); + + /** gets a cell binding for the given address + @precond + isCellBindingAllowed returns <TRUE/> + */ + css::uno::Reference< css::form::binding::XValueBinding > + createCellBindingFromStringAddress( + const OUString& _rAddress, + bool _bSupportIntegerExchange + ) const; + + /** creates a cell binding (supporting integer exchange, if requested) for + the given address object + */ + css::uno::Reference< css::form::binding::XValueBinding > + createCellBindingFromAddress( + const css::table::CellAddress& _rAddress, + bool _bSupportIntegerExchange + ) const; + + /** gets a cell range list source binding for the given address + */ + css::uno::Reference< css::form::binding::XListEntrySource > + createCellListSourceFromStringAddress( const OUString& _rAddress ) const; + + /** creates a string representation for the given value binding's address + + <p>If the sheet of the bound cell is the same as the sheet which our control belongs + to, then the sheet name is omitted in the resulting string representation.</p> + + @precond + The binding is a valid cell binding, or <NULL/> + @see isCellBinding + */ + OUString getStringAddressFromCellBinding( + const css::uno::Reference< css::form::binding::XValueBinding >& _rxBinding + ) const; + + /** creates an address object for the given value binding's address + + @precond + The binding is a valid cell binding, or <NULL/> + @return + <FALSE/> if and only if an error occurred and no valid address could be obtained + @see isCellBinding + */ + bool getAddressFromCellBinding( + const css::uno::Reference< css::form::binding::XValueBinding >& _rxBinding, + css::table::CellAddress& _rAddress + ) const; + + /** creates a string representation for the given list source's range address + + <p>If the sheet of the cell range which acts as list source is the same as the + sheet which our control belongs to, then the sheet name is omitted in the + resulting string representation.</p> + + @precond + The object is a valid cell range list source, or <NULL/> + @see isCellRangeListSource + */ + OUString getStringAddressFromCellListSource( + const css::uno::Reference< css::form::binding::XListEntrySource >& _rxSource + ) const; + + /** returns the current binding of our control model, if any. + */ + css::uno::Reference< css::form::binding::XValueBinding > + getCurrentBinding( ) const; + + /** returns the current external list source of the control model, if any + */ + css::uno::Reference< css::form::binding::XListEntrySource > + getCurrentListSource( ) const; + + /** sets a new binding for our control model + @precond + the control model is bindable (which is implied by <member>isCellBindingAllowed</member> + returning <TRUE/>) + */ + void setBinding( + const css::uno::Reference< css::form::binding::XValueBinding >& _rxBinding + ); + + /** sets a list source for our control model + @precond + the control model is a list sink (which is implied by <member>isListCellRangeAllowed</member> + returning <TRUE/>) + */ + void setListSource( + const css::uno::Reference< css::form::binding::XListEntrySource >& _rxSource + ); + + /** checks whether it's possible to bind the control model to a spreadsheet cell + */ + bool isCellBindingAllowed( ) const; + + /** checks whether it's possible to bind the control model to a spreadsheet cell, + with exchanging integer values + */ + bool isCellIntegerBindingAllowed( ) const; + + /** checks whether it's possible to bind the control model to range of spreadsheet cells + supplying the list entries + */ + bool isListCellRangeAllowed( ) const; + + /** checks whether a given binding is a spreadsheet cell binding + */ + static bool isCellBinding( + const css::uno::Reference< css::form::binding::XValueBinding >& _rxBinding + ); + + /** checks whether a given binding is a spreadsheet cell binding, exchanging + integer values + */ + static bool isCellIntegerBinding( + const css::uno::Reference< css::form::binding::XValueBinding >& _rxBinding + ); + + /** checks whether a given list source is a spreadsheet cell list source + */ + static bool isCellRangeListSource( + const css::uno::Reference< css::form::binding::XListEntrySource >& _rxSource + ); + + /** retrieves the index of the sheet which our control belongs to + @return the index of the sheet which our control belongs to or -1, if an error occurred + */ + sal_Int16 getControlSheetIndex( + css::uno::Reference< css::sheet::XSpreadsheet >& _out_rxSheet + ) const; + + private: + /** creates an address object from a string representation of a cell address + */ + bool convertStringAddress( + const OUString& _rAddressDescription, + css::table::CellAddress& /* [out] */ _rAddress + ) const; + + /** creates an address range object from a string representation of a cell range address + */ + bool convertStringAddress( + const OUString& _rAddressDescription, + css::table::CellRangeAddress& /* [out] */ _rAddress + ) const; + + /** determines if our document is a spreadsheet document, *and* can supply + the given service + */ + bool isSpreadsheetDocumentWhichSupplies( const OUString& _rService ) const; + + /** checks whether a given component supports a given service + */ + static bool doesComponentSupport( + const css::uno::Reference< css::uno::XInterface >& _rxComponent, + const OUString& _rService + ); + + /** uses the document (it's factory interface, respectively) to create a component instance + @param _rService + the service name + @param _rArgumentName + the name of the single argument to pass during creation. May be empty, in this case + no arguments are passed + @param _rArgumentValue + the value of the instantiation argument. Not evaluated if <arg>_rArgumentName</arg> + is empty. + */ + css::uno::Reference< css::uno::XInterface > + createDocumentDependentInstance( + const OUString& _rService, + const OUString& _rArgumentName, + const css::uno::Any& _rArgumentValue + ) const; + + /** converts an address representation into another one + + @param _rInputProperty + the input property name for the conversion service + @param _rInputValue + the input property value for the conversion service + @param _rOutputProperty + the output property name for the conversion service + @param _rOutputValue + the output property value for the conversion service + @param _bIsRange + if <TRUE/>, the RangeAddressConversion service will be used, else + the AddressConversion service + + @return + <TRUE/> if any only if the conversion was successful + + @see css::table::CellAddressConversion + @see css::table::CellRangeAddressConversion + */ + bool doConvertAddressRepresentations( + const OUString& _rInputProperty, + const css::uno::Any& _rInputValue, + const OUString& _rOutputProperty, + css::uno::Any& _rOutputValue, + bool _bIsRange + ) const; + }; + + +} // namespace pcr + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |