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Current view: top level - extensions/source/propctrlr - eformshelper.hxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 0 2 0.0 %
Date: 2015-06-13 12:38:46 Functions: 0 2 0.0 %
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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_EXTENSIONS_SOURCE_PROPCTRLR_EFORMSHELPER_HXX
      21             : #define INCLUDED_EXTENSIONS_SOURCE_PROPCTRLR_EFORMSHELPER_HXX
      22             : 
      23             : #include "pcrcommon.hxx"
      24             : 
      25             : #include <com/sun/star/frame/XModel.hpp>
      26             : #include <com/sun/star/beans/XPropertySet.hpp>
      27             : #include <com/sun/star/xforms/XModel.hpp>
      28             : #include <com/sun/star/xforms/XFormsSupplier.hpp>
      29             : #include <com/sun/star/form/binding/XBindableValue.hpp>
      30             : #include <com/sun/star/form/binding/XListEntrySource.hpp>
      31             : #include <osl/mutex.hxx>
      32             : #include <rtl/ustring.hxx>
      33             : #include <comphelper/listenernotification.hxx>
      34             : 
      35             : #include <vector>
      36             : #include <set>
      37             : #include <map>
      38             : 
      39             : 
      40             : namespace pcr
      41             : {
      42             : 
      43             : 
      44             :     typedef ::std::map< OUString, ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >, ::std::less< OUString > >
      45             :             MapStringToPropertySet;
      46             : 
      47             : 
      48             :     //= EFormsHelper
      49             : 
      50           0 :     class EFormsHelper
      51             :     {
      52             :     protected:
      53             :         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
      54             :                         m_xControlModel;
      55             :         ::com::sun::star::uno::Reference< ::com::sun::star::form::binding::XBindableValue >
      56             :                         m_xBindableControl;
      57             :         ::com::sun::star::uno::Reference< ::com::sun::star::xforms::XFormsSupplier >
      58             :                         m_xDocument;
      59             :         PropertyChangeListeners
      60             :                         m_aPropertyListeners;
      61             :         MapStringToPropertySet
      62             :                         m_aSubmissionUINames;   // only filled upon request
      63             :         MapStringToPropertySet
      64             :                         m_aBindingUINames;      // only filled upon request
      65             : 
      66             :     public:
      67             :         EFormsHelper(
      68             :             ::osl::Mutex& _rMutex,
      69             :             const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxControlModel,
      70             :             const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >& _rxContextDocument
      71             :         );
      72             : 
      73             :         /** determines whether the given document is an eForm
      74             : 
      75             :             If this method returns <FALSE/>, you cannot instantiate a EFormsHelper with
      76             :             this document, since then no of it's functionality will be available.
      77             :         */
      78             :         static  bool
      79             :                 isEForm(
      80             :                     const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >& _rxContextDocument
      81             :                 );
      82             : 
      83             :         /** registers a listener to be notified when any aspect of the binding changes.
      84             : 
      85             :             The listener will be registered at the current binding of the control model. If the binding
      86             :             changes (see <method>setBinding</method>), the listener will be revoked from the old binding,
      87             :             registered at the new binding, and for all properties which differ between both bindings,
      88             :             the listener will be notified.
      89             :             @see revokeBindingListener
      90             :         */
      91             :         void    registerBindingListener(
      92             :                     const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxBindingListener
      93             :                 );
      94             : 
      95             :         /** revokes the binding listener which has previously been registered
      96             :             @see registerBindingListener
      97             :         */
      98             :         void    revokeBindingListener(
      99             :                     const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxBindingListener
     100             :                 );
     101             : 
     102             :         /** checks whether it's possible to bind the control model to a given XSD data type
     103             : 
     104             :             @param _nDataType
     105             :                 the data type which should be bound. If this is -1, <TRUE/> is returned if the control model
     106             :                 can be bound to <em>any</em> data type.
     107             :         */
     108             :         bool    canBindToDataType( sal_Int32 _nDataType = -1 ) const;
     109             : 
     110             :         /** checks whether the control model can be bound to any XSD data type
     111             :         */
     112           0 :         bool    canBindToAnyDataType() const { return canBindToDataType( -1 ); }
     113             : 
     114             :         /** checks whether the control model is a source for list entries, as supplied by XML data bindings
     115             :         */
     116             :         bool    isListEntrySink() const;
     117             : 
     118             :         /** retrieves the names of all XForms models in the document the control lives in
     119             :         */
     120             :         void    getFormModelNames( ::std::vector< OUString >& /* [out] */ _rModelNames ) const;
     121             : 
     122             :         /** retrieves the names of all bindings for a given model
     123             :             @see getFormModelNames
     124             :         */
     125             :         void    getBindingNames( const OUString& _rModelName, ::std::vector< OUString >& /* [out] */ _rBindingNames ) const;
     126             : 
     127             :         /// retrieves the XForms model (within the control model's document) with the given name
     128             :         ::com::sun::star::uno::Reference< ::com::sun::star::xforms::XModel >
     129             :                 getFormModelByName( const OUString& _rModelName ) const;
     130             : 
     131             :         /** retrieves the model which the active binding of the control model belongs to
     132             :         */
     133             :         ::com::sun::star::uno::Reference< ::com::sun::star::xforms::XModel >
     134             :                 getCurrentFormModel() const;
     135             : 
     136             :         /** retrieves the name of the model which the active binding of the control model belongs to
     137             :         */
     138             :         OUString
     139             :                 getCurrentFormModelName() const;
     140             : 
     141             :         /** retrieves the binding instance which is currently attached to the control model
     142             :         */
     143             :         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
     144             :                 getCurrentBinding() const;
     145             : 
     146             :         /** retrieves the name of the binding instance which is currently attached to the control model
     147             :         */
     148             :         OUString
     149             :                 getCurrentBindingName() const;
     150             : 
     151             :         /** sets a new binding at the control model
     152             :         */
     153             :         void    setBinding( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxBinding );
     154             : 
     155             :         /** retrieves the binding instance which is currently used as list source for the control model
     156             :             @see isListEntrySink
     157             :         */
     158             :         ::com::sun::star::uno::Reference< ::com::sun::star::form::binding::XListEntrySource >
     159             :                 getCurrentListSourceBinding() const;
     160             : 
     161             :         /** sets a new list source at the control model
     162             :             @see isListEntrySink
     163             :         */
     164             :         void    setListSourceBinding( const ::com::sun::star::uno::Reference< ::com::sun::star::form::binding::XListEntrySource >& _rxListSource );
     165             : 
     166             :         /** retrieves a given binding for a given model, or creates a new one
     167             : 
     168             :             @param _rTargetModel
     169             :                 the name of the model to create a binding for. Must not be empty
     170             :             @param _rBindingName
     171             :                 the name of the binding to retrieve. If the model denoted by <arg>_rTargetModel</arg> does not
     172             :                 have a binding with this name, a new binding is created and returned.
     173             :         */
     174             :         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
     175             :             getOrCreateBindingForModel( const OUString& _rTargetModel, const OUString& _rBindingName ) const;
     176             : 
     177             :         /** types of sub-elements of a model
     178             :         */
     179             :         enum ModelElementType
     180             :         {
     181             :             Submission,
     182             :             Binding
     183             :         };
     184             : 
     185             :         /** retrieves the name of a model's sub-element, as to be shown in the UI
     186             :             @see getModelElementFromUIName
     187             :             @see getAllElementUINames
     188             :         */
     189             :         static OUString
     190             :                 getModelElementUIName(
     191             :                     const ModelElementType _eType,
     192             :                     const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxElement
     193             :                 );
     194             : 
     195             :         /** retrieves the submission object for an UI name
     196             : 
     197             :             Note that <member>getAllElementUINames</member> must have been called before, for the given element type
     198             : 
     199             :             @see getModelElementUIName
     200             :             @see getAllElementUINames
     201             :         */
     202             :         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
     203             :                 getModelElementFromUIName(
     204             :                     const ModelElementType _eType,
     205             :                     const OUString& _rUIName
     206             :                 ) const;
     207             : 
     208             :         /** retrieves the UI names of all elements of all models in our document
     209             :             @param _eType
     210             :                 the type of elements for which the names should be retrieved
     211             :             @param _rElementNames
     212             :                 the array of element names
     213             :             @see getModelElementUIName
     214             :             @see getModelElementFromUIName
     215             :         */
     216             :         void    getAllElementUINames(
     217             :                     const ModelElementType _eType,
     218             :                     ::std::vector< OUString >& /* [out] */ _rElementNames,
     219             :                     bool _bPrepentEmptyEntry
     220             :                 );
     221             : 
     222             :     protected:
     223             :         void    firePropertyChanges(
     224             :                     const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxOldProps,
     225             :                     const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxNewProps,
     226             :                     ::std::set< OUString >& _rFilter
     227             :                 ) const;
     228             : 
     229             :         /** fires a change in a single property, if the property value changed, and if we have a listener
     230             :             interested in property changes
     231             :         */
     232             :         void    firePropertyChange(
     233             :                     const OUString& _rName,
     234             :                     const ::com::sun::star::uno::Any& _rOldValue,
     235             :                     const ::com::sun::star::uno::Any& _rNewValue
     236             :                 ) const;
     237             : 
     238             :     private:
     239             :         void impl_switchBindingListening_throw( bool _bDoListening, const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener );
     240             : 
     241             :         /// implementation for both <member>getOrCreateBindingForModel</member>
     242             :         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
     243             :             implGetOrCreateBinding( const OUString& _rTargetModel, const OUString& _rBindingName ) const;
     244             : 
     245             :         void
     246             :             impl_toggleBindingPropertyListening_throw( bool _bDoListen, const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxConcreteListenerOrNull );
     247             : 
     248             :     private:
     249             :         EFormsHelper( const EFormsHelper& ) SAL_DELETED_FUNCTION;
     250             :         EFormsHelper& operator=( const EFormsHelper& ) SAL_DELETED_FUNCTION;
     251             :     };
     252             : 
     253             : 
     254             : } // namespace pcr
     255             : 
     256             : 
     257             : #endif // INCLUDED_EXTENSIONS_SOURCE_PROPCTRLR_EFORMSHELPER_HXX
     258             : 
     259             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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