-
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
qgsfeatureaction.cpp
325 lines (264 loc) · 10.4 KB
/
qgsfeatureaction.cpp
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
324
/***************************************************************************
qgsfeatureaction.cpp - description
-------------------
begin : 2010-09-20
copyright : (C) 2010 by Juergen E. Fischer
email : jef at norbit dot de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgisapp.h"
#include "qgsattributedialog.h"
#include "qgsdistancearea.h"
#include "qgsfeatureaction.h"
#include "qgsguivectorlayertools.h"
#include "qgsidentifyresultsdialog.h"
#include "qgslogger.h"
#include "qgshighlight.h"
#include "qgsmapcanvas.h"
#include "qgsproject.h"
#include "qgsvectordataprovider.h"
#include "qgsvectorlayer.h"
#include "qgsactionmanager.h"
#include "qgsaction.h"
#include "qgsvectorlayerutils.h"
#include "qgssettings.h"
#include <QPushButton>
typedef QHash<QgsVectorLayer *, QgsAttributeMap> CachedAttributesHash;
Q_GLOBAL_STATIC( CachedAttributesHash, sLastUsedValues )
QgsFeatureAction::QgsFeatureAction( const QString &name, QgsFeature &f, QgsVectorLayer *layer, QUuid actionId, int defaultAttr, QObject *parent )
: QAction( name, parent )
, mLayer( layer )
, mFeature( &f )
, mActionId( actionId )
, mIdx( defaultAttr )
, mFeatureSaved( false )
{
}
void QgsFeatureAction::execute()
{
mLayer->actions()->doAction( mActionId, *mFeature, mIdx );
}
QgsAttributeDialog *QgsFeatureAction::newDialog( bool cloneFeature )
{
QgsFeature *f = cloneFeature ? new QgsFeature( *mFeature ) : mFeature;
QgsAttributeEditorContext context( QgisApp::instance()->createAttributeEditorContext() );
QgsDistanceArea myDa;
myDa.setSourceCrs( mLayer->crs(), QgsProject::instance()->transformContext() );
myDa.setEllipsoid( QgsProject::instance()->ellipsoid() );
context.setDistanceArea( myDa );
context.setFormMode( QgsAttributeEditorContext::StandaloneDialog );
QgsAttributeDialog *dialog = new QgsAttributeDialog( mLayer, f, cloneFeature, parentWidget(), true, context );
dialog->setWindowFlags( dialog->windowFlags() | Qt::Tool );
dialog->setObjectName( QStringLiteral( "featureactiondlg:%1:%2" ).arg( mLayer->id() ).arg( f->id() ) );
QList<QgsAction> actions = mLayer->actions()->actions( QStringLiteral( "Feature" ) );
if ( !actions.isEmpty() )
{
dialog->setContextMenuPolicy( Qt::ActionsContextMenu );
QAction *a = new QAction( tr( "Run Actions" ), dialog );
a->setEnabled( false );
dialog->addAction( a );
const auto constActions = actions;
for ( const QgsAction &action : constActions )
{
if ( !action.runable() )
continue;
if ( !mLayer->isEditable() && action.isEnabledOnlyWhenEditable() )
continue;
QgsFeature &feat = const_cast<QgsFeature &>( *dialog->feature() );
QgsFeatureAction *a = new QgsFeatureAction( action.name(), feat, mLayer, action.id(), -1, dialog );
dialog->addAction( a );
connect( a, &QAction::triggered, a, &QgsFeatureAction::execute );
QAbstractButton *pb = dialog->findChild<QAbstractButton *>( action.name() );
if ( pb )
connect( pb, &QAbstractButton::clicked, a, &QgsFeatureAction::execute );
}
}
return dialog;
}
bool QgsFeatureAction::viewFeatureForm( QgsHighlight *h )
{
if ( !mLayer || !mFeature )
return false;
QString name( QStringLiteral( "featureactiondlg:%1:%2" ).arg( mLayer->id() ).arg( mFeature->id() ) );
QgsAttributeDialog *dialog = QgisApp::instance()->findChild<QgsAttributeDialog *>( name );
if ( dialog )
{
delete h;
dialog->raise();
dialog->activateWindow();
return true;
}
dialog = newDialog( true );
dialog->setHighlight( h );
// delete the dialog when it is closed
dialog->setAttribute( Qt::WA_DeleteOnClose );
dialog->show();
return true;
}
bool QgsFeatureAction::editFeature( bool showModal )
{
if ( !mLayer )
return false;
if ( showModal )
{
std::unique_ptr<QgsAttributeDialog> dialog( newDialog( false ) );
if ( !mFeature->isValid() )
dialog->setMode( QgsAttributeEditorContext::AddFeatureMode );
int rv = dialog->exec();
mFeature->setAttributes( dialog->feature()->attributes() );
return rv;
}
else
{
QString name( QStringLiteral( "featureactiondlg:%1:%2" ).arg( mLayer->id() ).arg( mFeature->id() ) );
QgsAttributeDialog *dialog = QgisApp::instance()->findChild<QgsAttributeDialog *>( name );
if ( dialog )
{
dialog->raise();
return true;
}
dialog = newDialog( false );
if ( !mFeature->isValid() )
dialog->setMode( QgsAttributeEditorContext::AddFeatureMode );
// delete the dialog when it is closed
dialog->setAttribute( Qt::WA_DeleteOnClose );
dialog->show();
}
return true;
}
bool QgsFeatureAction::addFeature( const QgsAttributeMap &defaultAttributes, bool showModal, QgsExpressionContextScope *scope SIP_TRANSFER )
{
if ( !mLayer || !mLayer->isEditable() )
return false;
QgsSettings settings;
bool reuseLastValues = settings.value( QStringLiteral( "qgis/digitizing/reuseLastValues" ), false ).toBool();
QgsDebugMsg( QStringLiteral( "reuseLastValues: %1" ).arg( reuseLastValues ) );
QgsFields fields = mLayer->fields();
QgsAttributeMap initialAttributeValues;
for ( int idx = 0; idx < fields.count(); ++idx )
{
if ( defaultAttributes.contains( idx ) )
{
initialAttributeValues.insert( idx, defaultAttributes.value( idx ) );
}
else if ( reuseLastValues && sLastUsedValues()->contains( mLayer ) && ( *sLastUsedValues() )[ mLayer ].contains( idx ) )
{
initialAttributeValues.insert( idx, ( *sLastUsedValues() )[ mLayer ][idx] );
}
}
// create new feature template - this will initialize the attributes to valid values, handling default
// values and field constraints
QgsExpressionContext context = mLayer->createExpressionContext();
if ( scope )
context.appendScope( scope );
QgsFeature newFeature = QgsVectorLayerUtils::createFeature( mLayer, mFeature->geometry(), initialAttributeValues,
&context );
*mFeature = newFeature;
//show the dialog to enter attribute values
//only show if enabled in settings
bool isDisabledAttributeValuesDlg = settings.value( QStringLiteral( "qgis/digitizing/disable_enter_attribute_values_dialog" ), false ).toBool();
// override application-wide setting if layer is non-spatial -- BECAUSE it's bad UX if
// it appears that nothing happens when you click the add row button for a non-spatial layer. Unlike
// spatial layers, where you can SEE the newly created spatial object on the map, creating a new
// feature in a non-spatial layer otherwise seems to have no result.
if ( !mLayer->isSpatial() )
isDisabledAttributeValuesDlg = false;
// override application-wide setting if layer has no fields
if ( fields.count() == 0 )
isDisabledAttributeValuesDlg = true;
// override application-wide setting with any layer setting
switch ( mLayer->editFormConfig().suppress() )
{
case QgsEditFormConfig::SuppressOn:
isDisabledAttributeValuesDlg = true;
break;
case QgsEditFormConfig::SuppressOff:
isDisabledAttributeValuesDlg = false;
break;
case QgsEditFormConfig::SuppressDefault:
break;
}
// finally, if this action has specifically forced suppression of the form, that overrides everything
if ( mForceSuppressFormPopup )
isDisabledAttributeValuesDlg = true;
if ( isDisabledAttributeValuesDlg )
{
mLayer->beginEditCommand( text() );
mFeatureSaved = mLayer->addFeature( *mFeature );
if ( mFeatureSaved )
{
mLayer->endEditCommand();
mLayer->triggerRepaint();
}
else
{
mLayer->destroyEditCommand();
}
emit addFeatureFinished();
}
else
{
QgsAttributeDialog *dialog = newDialog( false );
// delete the dialog when it is closed
dialog->setAttribute( Qt::WA_DeleteOnClose );
dialog->setMode( QgsAttributeEditorContext::AddFeatureMode );
dialog->setEditCommandMessage( text() );
if ( scope )
dialog->setExtraContextScope( new QgsExpressionContextScope( *scope ) );
connect( dialog->attributeForm(), &QgsAttributeForm::featureSaved, this, &QgsFeatureAction::onFeatureSaved );
if ( !showModal )
{
setParent( dialog ); // keep dialog until the dialog is closed and destructed
connect( dialog, &QgsAttributeDialog::finished, this, &QgsFeatureAction::addFeatureFinished );
dialog->show();
mFeature = nullptr;
return true;
}
dialog->exec();
emit addFeatureFinished();
}
// Will be set in the onFeatureSaved SLOT
return mFeatureSaved;
}
void QgsFeatureAction::setForceSuppressFormPopup( bool force )
{
mForceSuppressFormPopup = force;
}
void QgsFeatureAction::onFeatureSaved( const QgsFeature &feature )
{
QgsAttributeForm *form = qobject_cast<QgsAttributeForm *>( sender() );
Q_UNUSED( form ) // only used for Q_ASSERT
Q_ASSERT( form );
// Assign provider generated values
if ( mFeature )
*mFeature = feature;
mFeatureSaved = true;
QgsSettings settings;
bool reuseLastValues = settings.value( QStringLiteral( "qgis/digitizing/reuseLastValues" ), false ).toBool();
QgsDebugMsg( QStringLiteral( "reuseLastValues: %1" ).arg( reuseLastValues ) );
if ( reuseLastValues )
{
QgsFields fields = mLayer->fields();
for ( int idx = 0; idx < fields.count(); ++idx )
{
QgsAttributes newValues = feature.attributes();
QgsAttributeMap origValues = ( *sLastUsedValues() )[ mLayer ];
if ( origValues[idx] != newValues.at( idx ) )
{
QgsDebugMsg( QStringLiteral( "saving %1 for %2" ).arg( ( *sLastUsedValues() )[ mLayer ][idx].toString() ).arg( idx ) );
( *sLastUsedValues() )[ mLayer ][idx] = newValues.at( idx );
}
}
}
}
QgsFeature QgsFeatureAction::feature() const
{
return mFeature ? *mFeature : QgsFeature();
}