QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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qgsnewauxiliaryfielddialog.cpp
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1/***************************************************************************
2 qgsnewauxiliaryfielddialog.cpp - description
3 -------------------
4 begin : Sept 05, 2017
5 copyright : (C) 2017 by Paul Blottiere
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
19#include "qgsauxiliarystorage.h"
20#include "qgsgui.h"
21#include "qgsapplication.h"
22#include "qgsvariantutils.h"
23
24#include <QMessageBox>
25
27 : QDialog( parent )
28 , mLayer( layer )
29 , mNameOnly( nameOnly )
30 , mPropertyDefinition( def )
31{
32 setupUi( this );
34
35 mType->addItem( QgsFields::iconForFieldType( QMetaType::Type::QString ), QgsVariantUtils::typeToDisplayString( QMetaType::Type::QString ), QgsPropertyDefinition::DataTypeString );
36 mType->addItem( QgsFields::iconForFieldType( QMetaType::Type::Double ), QgsVariantUtils::typeToDisplayString( QMetaType::Type::Double ), QgsPropertyDefinition::DataTypeNumeric );
37 mType->addItem( QgsFields::iconForFieldType( QMetaType::Type::Int ), tr( "Integer" ), QgsPropertyDefinition::DataTypeBoolean );
38
39 mType->setCurrentIndex( mType->findData( def.dataType() ) );
40
41 if ( mNameOnly )
42 mType->setEnabled( false );
43 else
44 mType->setEnabled( true );
45}
46
48{
50 def.setComment( mName->text() );
51
52 if ( !mNameOnly )
53 {
54 def.setDataType( static_cast< QgsPropertyDefinition::DataType >( mType->currentData().toInt() ) );
55
56 def.setOrigin( "user" );
57 def.setName( "custom" );
58 }
59
60 const QString fieldName = QgsAuxiliaryLayer::nameFromProperty( def, true );
61 const int idx = mLayer->fields().lookupField( fieldName );
62 if ( idx >= 0 )
63 {
64 const QString title = tr( "New Auxiliary Field" );
65 const QString msg = tr( "Invalid name. Auxiliary field '%1' already exists." ).arg( fieldName );
66 QMessageBox::critical( this, title, msg, QMessageBox::Ok );
67 }
68 else if ( def.comment().isEmpty() )
69 {
70 const QString title = tr( "New Auxiliary Field" );
71 const QString msg = tr( "Name is a mandatory parameter." );
72 QMessageBox::critical( this, title, msg, QMessageBox::Ok );
73 }
74 else
75 {
78 QDialog::accept();
79 }
80}
81
static QString nameFromProperty(const QgsPropertyDefinition &def, bool joined=false)
Returns the name of the auxiliary field for a property definition.
bool addAuxiliaryField(const QgsPropertyDefinition &definition)
Adds an auxiliary field for the given property.
static QIcon iconForFieldType(QMetaType::Type type, QMetaType::Type subType=QMetaType::Type::UnknownType, const QString &typeString=QString())
Returns an icon corresponding to a field type.
Q_INVOKABLE int lookupField(const QString &fieldName) const
Looks up field's index from the field name.
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
QgsPropertyDefinition mPropertyDefinition
QgsPropertyDefinition propertyDefinition() const
Returns the underlying property definition.
QgsNewAuxiliaryFieldDialog(const QgsPropertyDefinition &definition, QgsVectorLayer *layer, bool nameOnly=true, QWidget *parent=nullptr)
Constructor.
Definition for a property.
Definition qgsproperty.h:45
QString comment() const
Returns the comment of the property.
DataType dataType() const
Returns the allowable field/value data type for the property.
void setOrigin(const QString &origin)
Sets the origin of the property.
void setDataType(DataType type)
Sets the data type.
void setName(const QString &name)
Sets the name of the property.
void setComment(const QString &comment)
Sets comment of the property.
DataType
Valid data types required by property.
Definition qgsproperty.h:83
@ DataTypeString
Property requires a string value.
Definition qgsproperty.h:90
@ DataTypeBoolean
Property requires a boolean value.
@ DataTypeNumeric
Property requires a numeric value.
Definition qgsproperty.h:97
static QString typeToDisplayString(QMetaType::Type type, QMetaType::Type subType=QMetaType::Type::UnknownType)
Returns a user-friendly translated string representing a QVariant type.
Represents a vector layer which manages a vector based data sets.
QgsAuxiliaryLayer * auxiliaryLayer()
Returns the current auxiliary layer.