/
qgssearchwidgettoolbutton.cpp
253 lines (221 loc) · 6.93 KB
/
qgssearchwidgettoolbutton.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
/***************************************************************************
qgssearchwidgettoolbutton.cpp
-----------------------------
Date : May 2016
Copyright : (C) 2016 Nyall Dawson
Email : nyall dot dawson at gmail.com
***************************************************************************
* *
* 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 "qgssearchwidgettoolbutton.h"
#include "qgsapplication.h"
#include <QMenu>
QgsSearchWidgetToolButton::QgsSearchWidgetToolButton( QWidget *parent )
: QToolButton( parent )
, mAvailableFilterFlags( QgsSearchWidgetWrapper::EqualTo | QgsSearchWidgetWrapper::NotEqualTo | QgsSearchWidgetWrapper::CaseInsensitive )
, mDefaultFilterFlags( QgsSearchWidgetWrapper::EqualTo )
, mFilterFlags( QgsSearchWidgetWrapper::EqualTo )
{
setFocusPolicy( Qt::StrongFocus );
setPopupMode( QToolButton::InstantPopup );
mMenu = new QMenu( this );
connect( mMenu, &QMenu::aboutToShow, this, &QgsSearchWidgetToolButton::aboutToShowMenu );
setMenu( mMenu );
// sets initial appearance
updateState();
}
void QgsSearchWidgetToolButton::setAvailableFlags( QgsSearchWidgetWrapper::FilterFlags flags )
{
mFilterFlags &= flags;
mAvailableFilterFlags = flags;
mDefaultFilterFlags = mDefaultFilterFlags & flags;
updateState();
}
void QgsSearchWidgetToolButton::setDefaultFlags( QgsSearchWidgetWrapper::FilterFlags flags )
{
mDefaultFilterFlags = flags & mAvailableFilterFlags;
}
void QgsSearchWidgetToolButton::setActiveFlags( QgsSearchWidgetWrapper::FilterFlags flags )
{
// sanitize list
QgsSearchWidgetWrapper::FilterFlags newFlags;
// only accept a single exclusive flag
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::exclusiveFilterFlags() )
{
if ( !( mAvailableFilterFlags & flag ) )
{
//unsupported
continue;
}
if ( flags & flag )
{
newFlags |= flag;
break;
}
}
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::nonExclusiveFilterFlags() )
{
if ( !( mAvailableFilterFlags & flag ) )
{
//unsupported
continue;
}
if ( flags & flag )
newFlags |= flag;
}
mFilterFlags = newFlags;
updateState();
}
void QgsSearchWidgetToolButton::toggleFlag( QgsSearchWidgetWrapper::FilterFlag flag )
{
if ( !( flag & mAvailableFilterFlags ) )
return;
if ( QgsSearchWidgetWrapper::nonExclusiveFilterFlags().contains( flag ) )
{
if ( flag & mFilterFlags )
mFilterFlags &= ~flag;
else
mFilterFlags |= flag;
}
else
{
// clear other exclusive flags
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag exclusiveFlag, QgsSearchWidgetWrapper::exclusiveFilterFlags() )
{
mFilterFlags &= ~exclusiveFlag;
}
// and set new exclusive flag
mFilterFlags |= flag;
}
updateState();
}
bool QgsSearchWidgetToolButton::isActive() const
{
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::exclusiveFilterFlags() )
{
if ( mFilterFlags & flag )
return true;
}
return false;
}
void QgsSearchWidgetToolButton::aboutToShowMenu()
{
mMenu->clear();
bool fieldActive = false;
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::exclusiveFilterFlags() )
{
if ( !( mAvailableFilterFlags & flag ) )
{
//unsupported
continue;
}
QAction *action = mMenu->addAction( QgsSearchWidgetWrapper::toString( flag ) );
connect( action, &QAction::triggered, this, &QgsSearchWidgetToolButton::actionSelected );
action->setData( flag );
action->setCheckable( true );
if ( mFilterFlags & flag )
{
fieldActive = true;
action->setChecked( true );
}
}
QAction *clearAction = mMenu->addAction( tr( "Exclude Field" ) );
connect( clearAction, &QAction::triggered, this, &QgsSearchWidgetToolButton::setInactive );
clearAction->setCheckable( true );
clearAction->setChecked( !fieldActive );
if ( mMenu->actions().count() > 0 )
{
mMenu->insertAction( mMenu->actions().at( 0 ), clearAction );
mMenu->insertSeparator( mMenu->actions().at( 1 ) );
}
else
mMenu->addAction( clearAction );
mMenu->addSeparator();
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::nonExclusiveFilterFlags() )
{
if ( !( mAvailableFilterFlags & flag ) )
{
//unsupported
continue;
}
QAction *action = mMenu->addAction( QgsSearchWidgetWrapper::toString( flag ) );
connect( action, &QAction::triggered, this, &QgsSearchWidgetToolButton::actionSelected );
action->setData( flag );
action->setCheckable( true );
if ( mFilterFlags & flag )
action->setChecked( true );
}
}
void QgsSearchWidgetToolButton::actionSelected()
{
QgsSearchWidgetWrapper::FilterFlag flag = static_cast< QgsSearchWidgetWrapper::FilterFlag >( qobject_cast< QAction * >( sender() )->data().toInt() );
toggleFlag( flag );
}
void QgsSearchWidgetToolButton::searchWidgetValueChanged()
{
setActive();
}
void QgsSearchWidgetToolButton::setInactive()
{
if ( !isActive() )
return;
QgsSearchWidgetWrapper::FilterFlags newFlags;
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::nonExclusiveFilterFlags() )
{
if ( !( mAvailableFilterFlags & flag ) || !( mFilterFlags & flag ) )
continue;
newFlags |= flag;
}
mFilterFlags = newFlags;
updateState();
}
void QgsSearchWidgetToolButton::setActive()
{
if ( isActive() )
return;
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::exclusiveFilterFlags() )
{
if ( mDefaultFilterFlags & flag )
{
toggleFlag( flag );
return;
}
}
}
void QgsSearchWidgetToolButton::updateState()
{
bool active = false;
QStringList toolTips;
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::exclusiveFilterFlags() )
{
if ( mFilterFlags & flag )
{
toolTips << QgsSearchWidgetWrapper::toString( flag );
active = true;
}
}
Q_FOREACH ( QgsSearchWidgetWrapper::FilterFlag flag, QgsSearchWidgetWrapper::nonExclusiveFilterFlags() )
{
if ( mFilterFlags & flag )
{
toolTips << QgsSearchWidgetWrapper::toString( flag ).toLower();
}
}
if ( active )
{
QString text = toolTips.join( QStringLiteral( ", " ) );
setText( text );
setToolTip( text );
}
else
{
setText( tr( "Exclude field" ) );
setToolTip( QString() );
}
emit activeFlagsChanged( mFilterFlags );
}