1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323 | /* -*- 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 .
*/
#include "entrylisthelper.hxx"
#include <FormComponent.hxx>
#include <osl/diagnose.h>
#include <comphelper/sequence.hxx>
#include <comphelper/property.hxx>
#include <com/sun/star/form/binding/XListEntryTypedSource.hpp>
#include <algorithm>
namespace frm
{
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::form::binding;
OEntryListHelper::OEntryListHelper( OControlModel& _rControlModel )
:m_rControlModel( _rControlModel )
,m_aRefreshListeners( _rControlModel.getInstanceMutex() )
{
}
OEntryListHelper::OEntryListHelper( const OEntryListHelper& _rSource, OControlModel& _rControlModel )
:m_rControlModel( _rControlModel )
,m_xListSource ( _rSource.m_xListSource )
,m_aStringItems( _rSource.m_aStringItems )
,m_aRefreshListeners( _rControlModel.getInstanceMutex() )
{
}
OEntryListHelper::~OEntryListHelper( )
{
}
void SAL_CALL OEntryListHelper::setListEntrySource( const Reference< XListEntrySource >& _rxSource )
{
ControlModelLock aLock( m_rControlModel );
// disconnect from the current external list source
disconnectExternalListSource();
// and connect to the new one
if ( _rxSource.is() )
connectExternalListSource( _rxSource, aLock );
}
Reference< XListEntrySource > SAL_CALL OEntryListHelper::getListEntrySource( )
{
return m_xListSource;
}
void SAL_CALL OEntryListHelper::entryChanged( const ListEntryEvent& _rEvent )
{
ControlModelLock aLock( m_rControlModel );
OSL_ENSURE( _rEvent.Source == m_xListSource,
"OEntryListHelper::entryChanged: where did this come from?" );
OSL_ENSURE( ( _rEvent.Position >= 0 ) && ( _rEvent.Position < static_cast<sal_Int32>(m_aStringItems.size()) ),
"OEntryListHelper::entryChanged: invalid index!" );
OSL_ENSURE( _rEvent.Entries.getLength() == 1,
"OEntryListHelper::entryChanged: invalid string list!" );
if ( ( _rEvent.Position >= 0 )
&& ( _rEvent.Position < static_cast<sal_Int32>(m_aStringItems.size()) )
&& _rEvent.Entries.hasElements()
)
{
m_aStringItems[ _rEvent.Position ] = _rEvent.Entries[ 0 ];
if (m_aTypedItems.hasElements())
m_aTypedItems = Sequence<Any>(); // doesn't match anymore
stringItemListChanged( aLock );
}
}
void SAL_CALL OEntryListHelper::entryRangeInserted( const ListEntryEvent& _rEvent )
{
ControlModelLock aLock( m_rControlModel );
OSL_ENSURE( _rEvent.Source == m_xListSource,
"OEntryListHelper::entryRangeInserted: where did this come from?" );
OSL_ENSURE( ( _rEvent.Position > 0 ) && ( _rEvent.Position < static_cast<sal_Int32>(m_aStringItems.size()) ) && _rEvent.Entries.hasElements(),
"OEntryListHelper::entryRangeRemoved: invalid count and/or position!" );
if ( ( _rEvent.Position > 0 )
&& ( _rEvent.Position < static_cast<sal_Int32>(m_aStringItems.size()) )
&& _rEvent.Entries.hasElements()
)
{
m_aStringItems.insert(m_aStringItems.begin() + _rEvent.Position, _rEvent.Entries.begin(), _rEvent.Entries.end());
if (m_aTypedItems.hasElements())
m_aTypedItems = Sequence<Any>(); // doesn't match anymore
stringItemListChanged( aLock );
}
}
void SAL_CALL OEntryListHelper::entryRangeRemoved( const ListEntryEvent& _rEvent )
{
ControlModelLock aLock( m_rControlModel );
OSL_ENSURE( _rEvent.Source == m_xListSource,
"OEntryListHelper::entryRangeRemoved: where did this come from?" );
OSL_ENSURE( ( _rEvent.Position > 0 ) && ( _rEvent.Count > 0 ) && ( _rEvent.Position + _rEvent.Count <= static_cast<sal_Int32>(m_aStringItems.size()) ),
"OEntryListHelper::entryRangeRemoved: invalid count and/or position!" );
if ( !(( _rEvent.Position > 0 )
&& ( _rEvent.Count > 0 )
&& ( _rEvent.Position + _rEvent.Count <= static_cast<sal_Int32>(m_aStringItems.size()) ))
)
return;
m_aStringItems.erase(m_aStringItems.begin() + _rEvent.Position,
m_aStringItems.begin() + _rEvent.Position + _rEvent.Count );
if (_rEvent.Position + _rEvent.Count <= m_aTypedItems.getLength())
{
Sequence<Any> aTmp( m_aTypedItems.getLength() - _rEvent.Count );
sal_Int32 nStop = _rEvent.Position;
sal_Int32 i = 0;
for ( ; i < nStop; ++i)
{
aTmp[i] = m_aTypedItems[i];
}
nStop = aTmp.getLength();
for (sal_Int32 j = _rEvent.Position + _rEvent.Count; i < nStop; ++i, ++j)
{
aTmp[i] = m_aTypedItems[j];
}
m_aTypedItems = aTmp;
}
else if (m_aTypedItems.hasElements())
{
m_aTypedItems = Sequence<Any>(); // doesn't match anymore
}
stringItemListChanged( aLock );
}
void SAL_CALL OEntryListHelper::allEntriesChanged( const EventObject& _rEvent )
{
ControlModelLock aLock( m_rControlModel );
OSL_ENSURE( _rEvent.Source == m_xListSource,
"OEntryListHelper::allEntriesChanged: where did this come from?" );
if ( _rEvent.Source == m_xListSource )
{
impl_lock_refreshList( aLock );
}
}
// XRefreshable
void SAL_CALL OEntryListHelper::addRefreshListener(const Reference<XRefreshListener>& _rxListener)
{
if ( _rxListener.is() )
m_aRefreshListeners.addInterface( _rxListener );
}
void SAL_CALL OEntryListHelper::removeRefreshListener(const Reference<XRefreshListener>& _rxListener)
{
if ( _rxListener.is() )
m_aRefreshListeners.removeInterface( _rxListener );
}
void SAL_CALL OEntryListHelper::refresh()
{
{
ControlModelLock aLock( m_rControlModel );
impl_lock_refreshList( aLock );
}
EventObject aEvt( static_cast< XRefreshable* >( this ) );
m_aRefreshListeners.notifyEach( &XRefreshListener::refreshed, aEvt );
}
void OEntryListHelper::impl_lock_refreshList( ControlModelLock& _rInstanceLock )
{
if ( hasExternalListSource() )
obtainListSourceEntries( _rInstanceLock );
else
refreshInternalEntryList();
}
bool OEntryListHelper::handleDisposing( const EventObject& _rEvent )
{
if ( m_xListSource .is() && ( _rEvent.Source == m_xListSource ) )
{
disconnectExternalListSource( );
return true;
}
return false;
}
void OEntryListHelper::disposing( )
{
EventObject aEvt( static_cast< XRefreshable* >( this ) );
m_aRefreshListeners.disposeAndClear(aEvt);
if ( hasExternalListSource( ) )
disconnectExternalListSource( );
}
void OEntryListHelper::disconnectExternalListSource( )
{
if ( m_xListSource.is() )
m_xListSource->removeListEntryListener( this );
m_xListSource.clear();
}
void OEntryListHelper::connectExternalListSource( const Reference< XListEntrySource >& _rxSource, ControlModelLock& _rInstanceLock )
{
OSL_ENSURE( !hasExternalListSource(), "OEntryListHelper::connectExternalListSource: only to be called if no external source is active!" );
OSL_ENSURE( _rxSource.is(), "OEntryListHelper::connectExternalListSource: invalid list source!" );
// remember it
m_xListSource = _rxSource;
// initially fill our item list
if ( m_xListSource.is() )
{
// be notified when the list changes ...
m_xListSource->addListEntryListener( this );
obtainListSourceEntries( _rInstanceLock );
}
}
void OEntryListHelper::obtainListSourceEntries( ControlModelLock& _rInstanceLock )
{
Reference< XListEntryTypedSource > xTyped;
xTyped.set( m_xListSource, UNO_QUERY);
if (xTyped.is())
{
comphelper::sequenceToContainer( m_aStringItems, xTyped->getAllListEntriesTyped( m_aTypedItems));
}
else
{
comphelper::sequenceToContainer( m_aStringItems, m_xListSource->getAllListEntries());
if (m_aTypedItems.hasElements())
m_aTypedItems = Sequence<Any>();
}
stringItemListChanged( _rInstanceLock );
}
bool OEntryListHelper::convertNewListSourceProperty( Any& _rConvertedValue,
Any& _rOldValue, const Any& _rValue )
{
if ( hasExternalListSource() )
throw IllegalArgumentException( );
// TODO: error message
return ::comphelper::tryPropertyValue( _rConvertedValue, _rOldValue, _rValue, comphelper::containerToSequence(m_aStringItems) );
}
void OEntryListHelper::setNewStringItemList( const css::uno::Any& _rValue, ControlModelLock& _rInstanceLock )<--- The function 'setNewStringItemList' is never used.
{
OSL_PRECOND( !hasExternalListSource(), "OEntryListHelper::setNewStringItemList: this should never have survived convertNewListSourceProperty!" );
css::uno::Sequence<OUString> aTmp;
OSL_VERIFY( _rValue >>= aTmp );
comphelper::sequenceToContainer(m_aStringItems, aTmp);
if (m_aTypedItems.hasElements())
m_aTypedItems = Sequence<Any>(); // doesn't match anymore
stringItemListChanged( _rInstanceLock );
}
void OEntryListHelper::setNewTypedItemList( const css::uno::Any& _rValue, ControlModelLock& _rInstanceLock )<--- The function 'setNewTypedItemList' is never used.
{
OSL_PRECOND( !hasExternalListSource(), "OEntryListHelper::setNewTypedItemList: this should never have survived convertNewListSourceProperty!" );
if (!(_rValue >>= m_aTypedItems ))
{
OSL_VERIFY(false);
if (m_aTypedItems.hasElements())
m_aTypedItems = Sequence<Any>(); // doesn't match anymore
}
// Sets both properties, assuming that TypedItemList belongs to StringItemList.
stringItemListChanged( _rInstanceLock );
}
} // namespace frm
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|