039e90ec01
Change-Id: I1a5ed69da20cef4428f5f61db5fb9411cff61dc7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112048 Tested-by: Jenkins Reviewed-by: John Turpish <jbt@gmx.us> Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>
255 lines
10 KiB
C++
255 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include "pcrcommon.hxx"
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#include <com/sun/star/frame/XModel.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/xforms/XModel.hpp>
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#include <com/sun/star/xforms/XFormsSupplier.hpp>
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#include <com/sun/star/form/binding/XBindableValue.hpp>
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#include <com/sun/star/form/binding/XListEntrySource.hpp>
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#include <osl/mutex.hxx>
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#include <rtl/ustring.hxx>
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#include <vector>
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#include <set>
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#include <map>
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namespace pcr
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{
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typedef std::map< OUString, css::uno::Reference< css::beans::XPropertySet >, std::less< OUString > >
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MapStringToPropertySet;
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//= EFormsHelper
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class EFormsHelper
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{
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protected:
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css::uno::Reference< css::beans::XPropertySet >
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m_xControlModel;
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css::uno::Reference< css::form::binding::XBindableValue >
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m_xBindableControl;
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css::uno::Reference< css::xforms::XFormsSupplier >
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m_xDocument;
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PropertyChangeListeners
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m_aPropertyListeners;
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MapStringToPropertySet
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m_aSubmissionUINames; // only filled upon request
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MapStringToPropertySet
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m_aBindingUINames; // only filled upon request
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public:
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EFormsHelper(
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::osl::Mutex& _rMutex,
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const css::uno::Reference< css::beans::XPropertySet >& _rxControlModel,
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const css::uno::Reference< css::frame::XModel >& _rxContextDocument
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);
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/** determines whether the given document is an eForm
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If this method returns <FALSE/>, you cannot instantiate an EFormsHelper with
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this document, since none of its functionality will be available then.
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*/
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static bool
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isEForm(
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const css::uno::Reference< css::frame::XModel >& _rxContextDocument
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);
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/** registers a listener to be notified when any aspect of the binding changes.
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The listener will be registered at the current binding of the control model. If the binding
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changes (see <method>setBinding</method>), the listener will be revoked from the old binding,
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registered at the new binding, and for all properties which differ between both bindings,
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the listener will be notified.
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@see revokeBindingListener
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*/
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void registerBindingListener(
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const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxBindingListener
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);
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/** revokes the binding listener which has previously been registered
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@see registerBindingListener
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*/
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void revokeBindingListener(
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const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxBindingListener
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);
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/** checks whether it's possible to bind the control model to a given XSD data type
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@param _nDataType
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the data type which should be bound. If this is -1, <TRUE/> is returned if the control model
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can be bound to <em>any</em> data type.
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*/
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bool canBindToDataType( sal_Int32 _nDataType = -1 ) const;
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/** checks whether the control model can be bound to any XSD data type
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*/
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bool canBindToAnyDataType() const { return canBindToDataType(); }
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/** checks whether the control model is a source for list entries, as supplied by XML data bindings
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*/
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bool isListEntrySink() const;
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/** retrieves the names of all XForms models in the document the control lives in
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*/
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void getFormModelNames( std::vector< OUString >& /* [out] */ _rModelNames ) const;
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/** retrieves the names of all bindings for a given model
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@see getFormModelNames
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*/
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void getBindingNames( const OUString& _rModelName, std::vector< OUString >& /* [out] */ _rBindingNames ) const;
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/// retrieves the XForms model (within the control model's document) with the given name
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css::uno::Reference< css::xforms::XModel >
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getFormModelByName( const OUString& _rModelName ) const;
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/** retrieves the model which the active binding of the control model belongs to
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*/
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css::uno::Reference< css::xforms::XModel >
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getCurrentFormModel() const;
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/** retrieves the name of the model which the active binding of the control model belongs to
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*/
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OUString
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getCurrentFormModelName() const;
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/** retrieves the binding instance which is currently attached to the control model
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*/
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css::uno::Reference< css::beans::XPropertySet >
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getCurrentBinding() const;
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/** retrieves the name of the binding instance which is currently attached to the control model
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*/
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OUString
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getCurrentBindingName() const;
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/** sets a new binding at the control model
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*/
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void setBinding( const css::uno::Reference< css::beans::XPropertySet >& _rxBinding );
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/** retrieves the binding instance which is currently used as list source for the control model
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@see isListEntrySink
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*/
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css::uno::Reference< css::form::binding::XListEntrySource >
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getCurrentListSourceBinding() const;
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/** sets a new list source at the control model
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@see isListEntrySink
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*/
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void setListSourceBinding( const css::uno::Reference< css::form::binding::XListEntrySource >& _rxListSource );
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/** retrieves a given binding for a given model, or creates a new one
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@param _rTargetModel
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the name of the model to create a binding for. Must not be empty
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@param _rBindingName
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the name of the binding to retrieve. If the model denoted by <arg>_rTargetModel</arg> does not
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have a binding with this name, a new binding is created and returned.
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*/
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css::uno::Reference< css::beans::XPropertySet >
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getOrCreateBindingForModel( const OUString& _rTargetModel, const OUString& _rBindingName ) const;
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/** types of sub-elements of a model
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*/
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enum ModelElementType
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{
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Submission,
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Binding
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};
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/** retrieves the name of a model's sub-element, as to be shown in the UI
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@see getModelElementFromUIName
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@see getAllElementUINames
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*/
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static OUString
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getModelElementUIName(
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const ModelElementType _eType,
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const css::uno::Reference< css::beans::XPropertySet >& _rxElement
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);
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/** retrieves the submission object for an UI name
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Note that <member>getAllElementUINames</member> must have been called before, for the given element type
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@see getModelElementUIName
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@see getAllElementUINames
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*/
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css::uno::Reference< css::beans::XPropertySet >
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getModelElementFromUIName(
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const ModelElementType _eType,
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const OUString& _rUIName
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) const;
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/** retrieves the UI names of all elements of all models in our document
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@param _eType
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the type of elements for which the names should be retrieved
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@param _rElementNames
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the array of element names
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@see getModelElementUIName
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@see getModelElementFromUIName
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*/
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void getAllElementUINames(
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const ModelElementType _eType,
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std::vector< OUString >& /* [out] */ _rElementNames,
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bool _bPrepentEmptyEntry
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);
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protected:
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void firePropertyChanges(
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const css::uno::Reference< css::beans::XPropertySet >& _rxOldProps,
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const css::uno::Reference< css::beans::XPropertySet >& _rxNewProps,
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std::set< OUString >& _rFilter
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) const;
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/** fires a change in a single property, if the property value changed, and if we have a listener
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interested in property changes
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*/
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void firePropertyChange(
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const OUString& _rName,
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const css::uno::Any& _rOldValue,
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const css::uno::Any& _rNewValue
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) const;
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private:
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void impl_switchBindingListening_throw( bool _bDoListening, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener );
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/// implementation for both <member>getOrCreateBindingForModel</member>
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css::uno::Reference< css::beans::XPropertySet >
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implGetOrCreateBinding( const OUString& _rTargetModel, const OUString& _rBindingName ) const;
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void
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impl_toggleBindingPropertyListening_throw( bool _bDoListen, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxConcreteListenerOrNull );
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private:
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EFormsHelper( const EFormsHelper& ) = delete;
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EFormsHelper& operator=( const EFormsHelper& ) = delete;
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};
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} // namespace pcr
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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