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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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