model_helper.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * 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
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 */
#pragma once
 
 
// some helper definitions that must be available for model.cxx and
// model_ui.cxx
 
 
#include "namedcollection.hxx"
#include "binding.hxx"
#include "submission.hxx"
#include "unohelper.hxx"
 
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <comphelper/servicehelper.hxx>
 
namespace xforms
{
    class Model;
}
 
 
// BindingCollection
 
 
namespace xforms
{
 
class BindingCollection : public NamedCollection<css::uno::Reference<css::beans::XPropertySet> >
{
    Model* mpModel;
 
public:
    explicit BindingCollection( Model* pModel ) : mpModel( pModel ) {}
 
    virtual bool isValid( const T& t ) const override
    {
        return comphelper::getFromUnoTunnel<Binding>( t ) != nullptr;
    }
 
protected:
    virtual void _insert( const T& t ) override
    {
        auto pBinding = comphelper::getFromUnoTunnel<Binding>( t );
        OSL_ENSURE( pBinding != nullptr, "invalid item?" );
        pBinding->_setModel( css::uno::Reference<css::xforms::XModel>( mpModel ) );
    }
 
    virtual void _remove( const T& t ) override
    {
        auto pBinding = comphelper::getFromUnoTunnel<Binding>( t );
        OSL_ENSURE( pBinding != nullptr, "invalid item?" );
        pBinding->_setModel( css::uno::Reference<css::xforms::XModel>() );
    }
};
 
class SubmissionCollection : public NamedCollection<css::uno::Reference<css::beans::XPropertySet> >
{
    Model* mpModel;
 
public:
    explicit SubmissionCollection( Model* pModel ) : mpModel( pModel ) {}
 
    virtual bool isValid( const T& t ) const override
    {
        return dynamic_cast<Submission*>( t.get() ) != nullptr;
    }
 
protected:
    virtual void _insert( const T& t ) override
    {
        auto pSubmission = dynamic_cast<Submission*>( t.get() );
        assert(pSubmission && "invalid item?");
        pSubmission->setModel( mpModel );
    }
 
    virtual void _remove( const T& t ) override
    {
        auto pSubmission = dynamic_cast<Submission*>( t.get() );
        assert(pSubmission && "invalid item?");
        pSubmission->setModel( nullptr );
    }
};
 
class InstanceCollection : public Collection<css::uno::Sequence<css::beans::PropertyValue> >
{
public:
    virtual bool isValid( const T& t ) const override
    {
        for( const css::beans::PropertyValue& rProp : t )
        {
            if (rProp.Name == "Instance" )
                return true;
        }
        return false;
    }
};
 
 
// helper functions
 
 
sal_Int32 lcl_findInstance( const InstanceCollection*,
                            std::u16string_view );
 
 
// get values from Sequence<PropertyValue> describing an Instance
void getInstanceData(
    const css::uno::Sequence<css::beans::PropertyValue>&,
    OUString* pID,
    css::uno::Reference<css::xml::dom::XDocument>*,
    OUString* pURL,
    bool* pURLOnce );
 
// set values on Sequence<PropertyValue> for an Instance
void setInstanceData(
    css::uno::Sequence<css::beans::PropertyValue>&,
    const OUString* pID,
    const css::uno::Reference<css::xml::dom::XDocument>*,
    const OUString* pURL,
    const bool* pURLOnce );
 
} // namespace xforms
 
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