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| -rw-r--r-- | extensions/source/propctrlr/eformshelper.hxx | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/extensions/source/propctrlr/eformshelper.hxx b/extensions/source/propctrlr/eformshelper.hxx new file mode 100644 index 000000000..e88cb7491 --- /dev/null +++ b/extensions/source/propctrlr/eformshelper.hxx @@ -0,0 +1,255 @@ +/* -*- 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 "pcrcommon.hxx" + +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/xforms/XModel.hpp> +#include <com/sun/star/xforms/XFormsSupplier.hpp> +#include <com/sun/star/form/binding/XBindableValue.hpp> +#include <com/sun/star/form/binding/XListEntrySource.hpp> +#include <osl/mutex.hxx> +#include <rtl/ustring.hxx> + +#include <vector> +#include <set> +#include <map> + + +namespace pcr +{ + + + typedef std::map< OUString, css::uno::Reference< css::beans::XPropertySet >, std::less< OUString > > + MapStringToPropertySet; + + + //= EFormsHelper + + class EFormsHelper + { + protected: + css::uno::Reference< css::beans::XPropertySet > + m_xControlModel; + css::uno::Reference< css::form::binding::XBindableValue > + m_xBindableControl; + css::uno::Reference< css::xforms::XFormsSupplier > + m_xDocument; + PropertyChangeListeners + m_aPropertyListeners; + MapStringToPropertySet + m_aSubmissionUINames; // only filled upon request + MapStringToPropertySet + m_aBindingUINames; // only filled upon request + + public: + EFormsHelper( + ::osl::Mutex& _rMutex, + const css::uno::Reference< css::beans::XPropertySet >& _rxControlModel, + const css::uno::Reference< css::frame::XModel >& _rxContextDocument + ); + + /** determines whether the given document is an eForm + + If this method returns <FALSE/>, you cannot instantiate an EFormsHelper with + this document, since none of its functionality will be available then. + */ + static bool + isEForm( + const css::uno::Reference< css::frame::XModel >& _rxContextDocument + ); + + /** registers a listener to be notified when any aspect of the binding changes. + + The listener will be registered at the current binding of the control model. If the binding + changes (see <method>setBinding</method>), the listener will be revoked from the old binding, + registered at the new binding, and for all properties which differ between both bindings, + the listener will be notified. + @see revokeBindingListener + */ + void registerBindingListener( + const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxBindingListener + ); + + /** revokes the binding listener which has previously been registered + @see registerBindingListener + */ + void revokeBindingListener( + const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxBindingListener + ); + + /** checks whether it's possible to bind the control model to a given XSD data type + + @param _nDataType + the data type which should be bound. If this is -1, <TRUE/> is returned if the control model + can be bound to <em>any</em> data type. + */ + bool canBindToDataType( sal_Int32 _nDataType = -1 ) const; + + /** checks whether the control model can be bound to any XSD data type + */ + bool canBindToAnyDataType() const { return canBindToDataType(); } + + /** checks whether the control model is a source for list entries, as supplied by XML data bindings + */ + bool isListEntrySink() const; + + /** retrieves the names of all XForms models in the document the control lives in + */ + void getFormModelNames( std::vector< OUString >& /* [out] */ _rModelNames ) const; + + /** retrieves the names of all bindings for a given model + @see getFormModelNames + */ + void getBindingNames( const OUString& _rModelName, std::vector< OUString >& /* [out] */ _rBindingNames ) const; + + /// retrieves the XForms model (within the control model's document) with the given name + css::uno::Reference< css::xforms::XModel > + getFormModelByName( const OUString& _rModelName ) const; + + /** retrieves the model which the active binding of the control model belongs to + */ + css::uno::Reference< css::xforms::XModel > + getCurrentFormModel() const; + + /** retrieves the name of the model which the active binding of the control model belongs to + */ + OUString + getCurrentFormModelName() const; + + /** retrieves the binding instance which is currently attached to the control model + */ + css::uno::Reference< css::beans::XPropertySet > + getCurrentBinding() const; + + /** retrieves the name of the binding instance which is currently attached to the control model + */ + OUString + getCurrentBindingName() const; + + /** sets a new binding at the control model + */ + void setBinding( const css::uno::Reference< css::beans::XPropertySet >& _rxBinding ); + + /** retrieves the binding instance which is currently used as list source for the control model + @see isListEntrySink + */ + css::uno::Reference< css::form::binding::XListEntrySource > + getCurrentListSourceBinding() const; + + /** sets a new list source at the control model + @see isListEntrySink + */ + void setListSourceBinding( const css::uno::Reference< css::form::binding::XListEntrySource >& _rxListSource ); + + /** retrieves a given binding for a given model, or creates a new one + + @param _rTargetModel + the name of the model to create a binding for. Must not be empty + @param _rBindingName + the name of the binding to retrieve. If the model denoted by <arg>_rTargetModel</arg> does not + have a binding with this name, a new binding is created and returned. + */ + css::uno::Reference< css::beans::XPropertySet > + getOrCreateBindingForModel( const OUString& _rTargetModel, const OUString& _rBindingName ) const; + + /** types of sub-elements of a model + */ + enum ModelElementType + { + Submission, + Binding + }; + + /** retrieves the name of a model's sub-element, as to be shown in the UI + @see getModelElementFromUIName + @see getAllElementUINames + */ + static OUString + getModelElementUIName( + const ModelElementType _eType, + const css::uno::Reference< css::beans::XPropertySet >& _rxElement + ); + + /** retrieves the submission object for an UI name + + Note that <member>getAllElementUINames</member> must have been called before, for the given element type + + @see getModelElementUIName + @see getAllElementUINames + */ + css::uno::Reference< css::beans::XPropertySet > + getModelElementFromUIName( + const ModelElementType _eType, + const OUString& _rUIName + ) const; + + /** retrieves the UI names of all elements of all models in our document + @param _eType + the type of elements for which the names should be retrieved + @param _rElementNames + the array of element names + @see getModelElementUIName + @see getModelElementFromUIName + */ + void getAllElementUINames( + const ModelElementType _eType, + std::vector< OUString >& /* [out] */ _rElementNames, + bool _bPrepentEmptyEntry + ); + + protected: + void firePropertyChanges( + const css::uno::Reference< css::beans::XPropertySet >& _rxOldProps, + const css::uno::Reference< css::beans::XPropertySet >& _rxNewProps, + std::set< OUString >& _rFilter + ) const; + + /** fires a change in a single property, if the property value changed, and if we have a listener + interested in property changes + */ + void firePropertyChange( + const OUString& _rName, + const css::uno::Any& _rOldValue, + const css::uno::Any& _rNewValue + ) const; + + private: + void impl_switchBindingListening_throw( bool _bDoListening, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener ); + + /// implementation for both <member>getOrCreateBindingForModel</member> + css::uno::Reference< css::beans::XPropertySet > + implGetOrCreateBinding( const OUString& _rTargetModel, const OUString& _rBindingName ) const; + + void + impl_toggleBindingPropertyListening_throw( bool _bDoListen, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxConcreteListenerOrNull ); + + private: + EFormsHelper( const EFormsHelper& ) = delete; + EFormsHelper& operator=( const EFormsHelper& ) = delete; + }; + + +} // namespace pcr + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |