QGIS API Documentation  3.13.0-Master (740be229cb)
qgsnewauxiliaryfielddialog.cpp
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1 /***************************************************************************
2  qgsnewauxiliaryfielddialog.cpp - description
3  -------------------
4  begin : Sept 05, 2017
5  copyright : (C) 2017 by Paul Blottiere
6  email : [email protected]
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 
23 #include <QMessageBox>
24 
26  : QDialog( parent )
27  , mLayer( layer )
28  , mNameOnly( nameOnly )
29  , mPropertyDefinition( def )
30 {
31  setupUi( this );
33 
34  mType->addItem( QgsApplication::getThemeIcon( "/mIconFieldText.svg" ), tr( "String" ), QgsPropertyDefinition::DataTypeString );
35  mType->addItem( QgsApplication::getThemeIcon( "/mIconFieldFloat.svg" ), tr( "Real" ), QgsPropertyDefinition::DataTypeNumeric );
36  mType->addItem( QgsApplication::getThemeIcon( "/mIconFieldInteger.svg" ), tr( "Integer" ), QgsPropertyDefinition::DataTypeBoolean );
37 
38  mType->setCurrentIndex( mType->findData( def.dataType() ) );
39 
40  if ( mNameOnly )
41  mType->setEnabled( false );
42  else
43  mType->setEnabled( true );
44 }
45 
47 {
49  def.setComment( mName->text() );
50 
51  if ( !mNameOnly )
52  {
53  def.setDataType( static_cast< QgsPropertyDefinition::DataType >( mType->currentData().toInt() ) );
54 
55  def.setOrigin( "user" );
56  def.setName( "custom" );
57  }
58 
59  QString fieldName = QgsAuxiliaryLayer::nameFromProperty( def, true );
60  const int idx = mLayer->fields().lookupField( fieldName );
61  if ( idx >= 0 )
62  {
63  const QString title = tr( "New Auxiliary Field" );
64  const QString msg = tr( "Invalid name. Auxiliary field '%1' already exists." ).arg( fieldName );
65  QMessageBox::critical( this, title, msg, QMessageBox::Ok );
66  }
67  else if ( def.comment().isEmpty() )
68  {
69  const QString title = tr( "New Auxiliary Field" );
70  const QString msg = tr( "Name is a mandatory parameter." );
71  QMessageBox::critical( this, title, msg, QMessageBox::Ok );
72  }
73  else
74  {
75  if ( mLayer->auxiliaryLayer()->addAuxiliaryField( def ) )
76  mPropertyDefinition = def;
77  QDialog::accept();
78  }
79 }
80 
82 {
83  return mPropertyDefinition;
84 }
int lookupField(const QString &fieldName) const
Looks up field&#39;s index from the field name.
Definition: qgsfields.cpp:324
QgsPropertyDefinition mPropertyDefinition
QgsNewAuxiliaryFieldDialog(const QgsPropertyDefinition &definition, QgsVectorLayer *layer, bool nameOnly=true, QWidget *parent=nullptr)
Constructor.
static QIcon getThemeIcon(const QString &name)
Helper to get a theme icon.
static QgsGui * instance()
Returns a pointer to the singleton instance.
Definition: qgsgui.cpp:62
void setName(const QString &name)
Sets the name of the property.
Definition: qgsproperty.h:143
DataType dataType() const
Returns the allowable field/value data type for the property.
Definition: qgsproperty.h:187
QgsFields fields() const FINAL
Returns the list of fields of this layer.
Property requires a boolean value.
Definition: qgsproperty.h:105
Property requires a numeric value.
Definition: qgsproperty.h:98
QgsAuxiliaryLayer * auxiliaryLayer()
Returns the current auxiliary layer.
void setDataType(DataType type)
Sets the data type.
Definition: qgsproperty.h:182
Definition for a property.
Definition: qgsproperty.h:46
QString comment() const
Returns the comment of the property.
Definition: qgsproperty.h:167
Property requires a string value.
Definition: qgsproperty.h:91
void setOrigin(const QString &origin)
Sets the origin of the property.
Definition: qgsproperty.h:157
static QString nameFromProperty(const QgsPropertyDefinition &def, bool joined=false)
Returns the name of the auxiliary field for a property definition.
void setComment(const QString &comment)
Sets comment of the property.
Definition: qgsproperty.h:172
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:133
bool addAuxiliaryField(const QgsPropertyDefinition &definition)
Adds an auxiliary field for the given property.
Represents a vector layer which manages a vector based data sets.
QgsPropertyDefinition propertyDefinition() const
Returns the underlying property definition.