QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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qgssmartgroupeditordialog.cpp
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1/***************************************************************************
2 qgssmartgroupeditordialog.cpp
3 -----------------------------
4 begin : July 2012
5 copyright : (C) 2012 by Arunmozhi
6 email : aruntheguy at gmail.com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
17
18#include "qgsstyle.h"
19#include "qgsapplication.h"
20#include "qgsgui.h"
21
22#include <QVariant>
23#include <QMessageBox>
24
25// -------------------------- //
26// Condition Widget functions //
27// -------------------------- //
28QgsSmartGroupCondition::QgsSmartGroupCondition( int id, QWidget *parent ) : QWidget( parent )
29{
30 setupUi( this );
31
32 mConditionId = id;
33
34 mCondCombo->addItem( tr( "has the tag" ), QVariant( "tag" ) );
35 mCondCombo->addItem( tr( "has a part of name matching" ), QVariant( "name" ) );
36 mCondCombo->addItem( tr( "does NOT have the tag" ), QVariant( "!tag" ) );
37 mCondCombo->addItem( tr( "has NO part of name matching" ), QVariant( "!name" ) );
38
39 mRemoveBtn->setIcon( QIcon( QgsApplication::iconPath( "symbologyRemove.svg" ) ) );
40
41 connect( mRemoveBtn, &QAbstractButton::clicked, this, &QgsSmartGroupCondition::destruct );
42}
43
48
50{
51 return mCondCombo->currentData().toString();
52}
53
55{
56 return mCondLineEdit->text();
57}
58
59void QgsSmartGroupCondition::setConstraint( const QString &constraint )
60{
61 mCondCombo->setCurrentIndex( mCondCombo->findData( QVariant( constraint ) ) );
62}
63
64void QgsSmartGroupCondition::setParameter( const QString &param )
65{
66 mCondLineEdit->setText( param );
67}
68
70{
71 mRemoveBtn->setVisible( !hide );
72}
73
74
75// ------------------------ //
76// Editor Dialog Functions //
77// ------------------------ //
79 : QDialog( parent )
80 , mStyle( style )
81{
82 setupUi( this );
84
85 connect( buttonBox, &QDialogButtonBox::accepted, this, &QgsSmartGroupEditorDialog::buttonBox_accepted );
86
87 mCondCount = 0;
88
89 mAndOrCombo->addItem( tr( "ALL the constraints" ), QVariant( "AND" ) );
90 mAndOrCombo->addItem( tr( "any ONE of the constraints" ), QVariant( "OR" ) );
91
92 mLayout = new QGridLayout( mConditionsBox );
94
95 connect( mAddConditionBtn, &QAbstractButton::clicked, this, &QgsSmartGroupEditorDialog::addCondition );
96}
97
99{
100 return mNameLineEdit->text();
101}
102
104{
105 // enable the remove buttons when 2nd condition is added
106 if ( mConditionMap.count() == 1 )
107 {
108 const auto constMConditionMap = mConditionMap;
109 for ( QgsSmartGroupCondition *condition : constMConditionMap )
110 {
111 condition->hideRemoveButton( false );
112 }
113 }
115 mLayout->addWidget( cond, mCondCount, 0, 1, 1 );
116
118 if ( mConditionMap.isEmpty() )
119 {
120 cond->hideRemoveButton( true );
121 }
122 mConditionMap.insert( mCondCount, cond );
123 ++mCondCount;
124}
125
127{
128 // hide the remove button of the last condition when 2nd last is removed
129 if ( mConditionMap.count() == 2 )
130 {
131 const auto constMConditionMap = mConditionMap;
132 for ( QgsSmartGroupCondition *condition : constMConditionMap )
133 {
134 condition->hideRemoveButton( true );
135 }
136 }
137
138 QgsSmartGroupCondition *cond = mConditionMap.take( id );
139 delete cond;
140}
141
143{
144 QgsSmartConditionMap conditions;
145
146 const auto constMConditionMap = mConditionMap;
147 for ( QgsSmartGroupCondition *condition : constMConditionMap )
148 {
149 conditions.insert( condition->constraint(), condition->parameter() );
150 }
151
152 return conditions;
153}
154
156{
157 return mAndOrCombo->currentData().toString();
158}
159
161{
162 QStringList constraints;
163 constraints << QStringLiteral( "tag" ) << QStringLiteral( "name" ) << QStringLiteral( "!tag" ) << QStringLiteral( "!name" );
164
165 // clear any defaults
166 qDeleteAll( mConditionMap );
167 mConditionMap.clear();
168
169 //set the constraints
170 const auto constConstraints = constraints;
171 for ( const QString &constr : constConstraints )
172 {
173 const QStringList params = map.values( constr );
174 const auto constParams = params;
175 for ( const QString &param : constParams )
176 {
178 mLayout->addWidget( cond, mCondCount, 0, 1, 1 );
179
180 cond->setConstraint( constr );
181 cond->setParameter( param );
182
184
185 mConditionMap.insert( mCondCount, cond );
186 ++mCondCount;
187 }
188 }
189}
190
192{
193 mAndOrCombo->setCurrentIndex( mAndOrCombo->findData( QVariant( op ) ) );
194}
195
197{
198 mNameLineEdit->setText( name );
199}
200
201void QgsSmartGroupEditorDialog::buttonBox_accepted()
202{
203 if ( mNameLineEdit->text().isEmpty() )
204 {
205 QMessageBox::critical( this, tr( "Edit Smart Group" ), tr( "The smart group name field is empty. Kindly provide a name." ) );
206 return;
207 }
208 accept();
209}
static QString iconPath(const QString &iconFile)
Returns path to the desired icon file.
static void enableAutoGeometryRestore(QWidget *widget, const QString &key=QString())
Register the widget to allow its position to be automatically saved and restored when open and closed...
Definition qgsgui.cpp:208
void setConstraint(const QString &constraint)
sets the given constraint
QgsSmartGroupCondition(int id, QWidget *parent=nullptr)
QString parameter()
returns the parameter
void setParameter(const QString &param)
sets the given param
void removed(int id)
Emitted when the group with the specified id is removed.
void hideRemoveButton(bool hide)
sets the remove button hidden state to 'hide'
QString constraint()
returns the constraint key
void setConditionMap(const QgsSmartConditionMap &)
sets up the GUI for the given conditionmap
QMap< int, QgsSmartGroupCondition * > mConditionMap
QgsSmartConditionMap conditionMap()
returns the condition map
QString smartgroupName()
returns the value from mNameLineEdit
QgsSmartGroupEditorDialog(QgsStyle *style, QWidget *parent=nullptr)
void addCondition()
function to create a new ConditionBox and update UI
void removeCondition(int)
slot to remove the condition with id int
void setSmartgroupName(const QString &)
sets the smart group Name
void setOperator(const QString &)
sets the operator AND/OR
QString conditionOperator()
returns the AND/OR condition
QMultiMap< QString, QString > QgsSmartConditionMap
A multimap to hold the smart group conditions as constraint and parameter pairs.
Definition qgsstyle.h:79