36 layout()->setContentsMargins( 0, 0, 0, 0 );
47 connect( mAddAttributeButton, &QAbstractButton::clicked,
this, &QgsSourceFieldsProperties::addAttributeClicked );
48 connect( mDeleteAttributeButton, &QAbstractButton::clicked,
this, &QgsSourceFieldsProperties::deleteAttributeClicked );
49 connect( mCalculateFieldButton, &QAbstractButton::clicked,
this, &QgsSourceFieldsProperties::calculateFieldClicked );
50 connect( mSaveLayerEditsButton, &QAbstractButton::clicked,
this, &QgsSourceFieldsProperties::saveLayerEditsClicked );
60 mFieldsList->setSelectionBehavior( QAbstractItemView::SelectRows );
61 mFieldsList->setDragDropMode( QAbstractItemView::DragOnly );
62 mFieldsList->setHorizontalHeaderItem(
AttrIdCol,
new QTableWidgetItem( tr(
"Id" ) ) );
63 mFieldsList->setHorizontalHeaderItem(
AttrNameCol,
new QTableWidgetItem( tr(
"Name" ) ) );
64 mFieldsList->setHorizontalHeaderItem(
AttrTypeCol,
new QTableWidgetItem( tr(
"Type" ) ) );
65 mFieldsList->setHorizontalHeaderItem(
AttrTypeNameCol,
new QTableWidgetItem( tr(
"Type name" ) ) );
66 mFieldsList->setHorizontalHeaderItem(
AttrLengthCol,
new QTableWidgetItem( tr(
"Length" ) ) );
67 mFieldsList->setHorizontalHeaderItem(
AttrPrecCol,
new QTableWidgetItem( tr(
"Precision" ) ) );
68 mFieldsList->setHorizontalHeaderItem(
AttrCommentCol,
new QTableWidgetItem( tr(
"Comment" ) ) );
69 const auto configurationFlagsWi =
new QTableWidgetItem( tr(
"Configuration" ) );
70 configurationFlagsWi->setToolTip( tr(
"Configures the field" ) );
72 mFieldsList->setHorizontalHeaderItem(
AttrAliasCol,
new QTableWidgetItem( tr(
"Alias" ) ) );
74 mFieldsList->setSortingEnabled(
true );
75 mFieldsList->sortByColumn( 0, Qt::AscendingOrder );
76 mFieldsList->setSelectionBehavior( QAbstractItemView::SelectRows );
77 mFieldsList->setSelectionMode( QAbstractItemView::ExtendedSelection );
78 mFieldsList->horizontalHeader()->setStretchLastSection(
true );
79 mFieldsList->verticalHeader()->hide();
92 disconnect( mFieldsList, &QTableWidget::cellChanged,
this, &QgsSourceFieldsProperties::attributesListCellChanged );
96 mFieldsList->setRowCount( 0 );
98 for (
int i = 0; i < fields.
count(); ++i )
101 mFieldsList->resizeColumnsToContents();
102 connect( mFieldsList, &QTableWidget::cellChanged,
this, &QgsSourceFieldsProperties::attributesListCellChanged );
104 connect( mFieldsList, &QTableWidget::cellPressed,
this, &QgsSourceFieldsProperties::attributesListCellPressed );
107 updateFieldRenamingStatus();
110void QgsSourceFieldsProperties::updateFieldRenamingStatus()
114 for (
int row = 0; row < mFieldsList->rowCount(); ++row )
116 if ( canRenameFields )
117 mFieldsList->item( row,
AttrNameCol )->setFlags( mFieldsList->item( row,
AttrNameCol )->flags() | Qt::ItemIsEditable );
119 mFieldsList->item( row,
AttrNameCol )->setFlags( mFieldsList->item( row,
AttrNameCol )->flags() & ~Qt::ItemIsEditable );
123void QgsSourceFieldsProperties::updateExpression()
125 QToolButton *btn = qobject_cast<QToolButton *>( sender() );
128 const int index = btn->property(
"Index" ).toInt();
145void QgsSourceFieldsProperties::attributeAdded(
int idx )
147 const bool sorted = mFieldsList->isSortingEnabled();
149 mFieldsList->setSortingEnabled(
false );
152 const int row = mFieldsList->rowCount();
153 mFieldsList->insertRow( row );
154 setRow( row, idx, fields.
at( idx ) );
155 mFieldsList->setCurrentCell( row, idx );
157 const QColor expressionColor = QColor( 103, 0, 243, 44 );
158 const QColor joinColor = QColor( 0, 243, 79, 44 );
159 const QColor defaultColor = QColor( 252, 255, 79, 44 );
161 for (
int i = 0; i < mFieldsList->columnCount(); i++ )
169 if ( i == 7 )
continue;
170 mFieldsList->item( row, i )->setBackground( expressionColor );
174 mFieldsList->item( row, i )->setBackground( joinColor );
178 if ( defaultColor.isValid() )
179 mFieldsList->item( row, i )->setBackground( defaultColor );
185 mFieldsList->setSortingEnabled(
true );
189void QgsSourceFieldsProperties::attributeDeleted(
int idx )
201 QTableWidgetItem *dataItem =
new QTableWidgetItem();
202 dataItem->setData( Qt::DisplayRole, idx );
204 mFieldsList->setItem( row,
AttrIdCol, dataItem );
211 mFieldsList->setItem( row,
AttrNameCol,
new QTableWidgetItem( field.
name() ) );
212 mFieldsList->setItem( row,
AttrAliasCol,
new QTableWidgetItem( field.
alias() ) );
215 mFieldsList->setItem( row,
AttrLengthCol,
new QTableWidgetItem( QString::number( field.
length() ) ) );
216 mFieldsList->setItem( row,
AttrPrecCol,
new QTableWidgetItem( QString::number( field.
precision() ) ) );
220 QWidget *expressionWidget =
new QWidget;
221 expressionWidget->setLayout(
new QHBoxLayout );
222 QToolButton *editExpressionButton =
new QToolButton;
223 editExpressionButton->setProperty(
"Index", idx );
225 connect( editExpressionButton, &QAbstractButton::clicked,
this, &QgsSourceFieldsProperties::updateExpression );
226 expressionWidget->layout()->setContentsMargins( 0, 0, 0, 0 );
227 expressionWidget->layout()->addWidget( editExpressionButton );
229 expressionWidget->setStyleSheet(
"*[class~=\"QWidget\"] { background-color: rgba( 103, 0, 243, 0.12 ); } QToolButton { background-color: rgba( 203, 100, 243, 0.6 ); }" );
230 mFieldsList->setCellWidget( row,
AttrCommentCol, expressionWidget );
237 QList<int> notEditableCols = QList<int>()
247 const auto constNotEditableCols = notEditableCols;
248 for (
const int i : constNotEditableCols )
251 mFieldsList->item( row, i )->setFlags( mFieldsList->item( row, i )->flags() & ~Qt::ItemIsEditable );
253 mFieldsList->item( row, i )->setToolTip( tr(
"Edit alias in the Form config tab" ) );
256 if ( canRenameFields )
257 mFieldsList->item( row,
AttrNameCol )->setFlags( mFieldsList->item( row,
AttrNameCol )->flags() | Qt::ItemIsEditable );
259 mFieldsList->item( row,
AttrNameCol )->setFlags( mFieldsList->item( row,
AttrNameCol )->flags() & ~Qt::ItemIsEditable );
263 const QList<Qgis::FieldConfigurationFlag> flagList = qgsEnumList<Qgis::FieldConfigurationFlag>();
271 QVariant::fromValue( flag ) );
288 QMessageBox::critical(
this, tr(
"Add Field" ), tr(
"Failed to add field '%1' of type '%2'. Is the field name unique?" ).arg( field.
name(), field.
typeName() ) );
295 for (
int i = 0; i < mFieldsList->rowCount(); i++ )
297 const int idx = mFieldsList->item( i,
AttrIdCol )->data( Qt::DisplayRole ).toInt();
304 for (
int r = 0; r < model->rowCount(); ++r )
306 const QModelIndex index = model->index( r, 0 );
308 const bool active = model->
data( index, Qt::CheckStateRole ).value<Qt::CheckState>() == Qt::Checked ?
true :
false;
309 flags.setFlag( flag, active );
318void QgsSourceFieldsProperties::editingToggled()
321 updateFieldRenamingStatus();
324void QgsSourceFieldsProperties::addAttributeClicked()
332 if ( dialog.exec() == QDialog::Accepted )
339void QgsSourceFieldsProperties::deleteAttributeClicked()
341 QSet<int> providerFields;
342 QSet<int> expressionFields;
343 const auto constSelectedItems = mFieldsList->selectedItems();
344 for ( QTableWidgetItem *item : constSelectedItems )
346 if ( item->column() == 0 )
353 expressionFields << idx;
355 providerFields << idx;
359 if ( !expressionFields.isEmpty() )
362 if ( !providerFields.isEmpty() )
372void QgsSourceFieldsProperties::calculateFieldClicked()
380 if ( calc.exec() == QDialog::Accepted )
386void QgsSourceFieldsProperties::saveLayerEditsClicked()
391void QgsSourceFieldsProperties::attributesListCellChanged(
int row,
int column )
397 QTableWidgetItem *nameItem = mFieldsList->item( row, column );
400 nameItem->text().isEmpty() ||
414 QMessageBox::critical(
this, tr(
"Rename Field" ), tr(
"Failed to rename field to '%1'. Is the field name unique?" ).arg( nameItem->text() ) );
419void QgsSourceFieldsProperties::attributesListCellPressed(
int ,
int )
438 mToggleEditingButton->setChecked(
true );
439 mSaveLayerEditsButton->setEnabled(
true );
440 mSaveLayerEditsButton->setChecked(
true );
444 mToggleEditingButton->setChecked(
false );
445 mAddAttributeButton->setEnabled(
false );
446 mSaveLayerEditsButton->setEnabled(
false );
449 mDeleteAttributeButton->setEnabled( !mFieldsList->selectedItems().isEmpty() );
451 const auto constSelectedItems = mFieldsList->selectedItems();
452 for ( QTableWidgetItem *item : constSelectedItems )
454 if ( item->column() == 0 )
459 mDeleteAttributeButton->setEnabled(
false );
@ AddAttributes
Allows addition of new attributes (fields)
@ RenameAttributes
Supports renaming attributes (fields)
@ DeleteAttributes
Allows deletion of attributes (fields)
@ ChangeAttributeValues
Allows modification of attribute values.
QFlags< VectorProviderCapability > VectorProviderCapabilities
Vector data provider capabilities.
@ Expression
Field is calculated from an expression.
@ Join
Field originates from a joined layer.
FieldConfigurationFlag
Configuration flags for fields These flags are meant to be user-configurable and are not describing a...
@ NoFlag
No flag is defined.
QFlags< FieldConfigurationFlag > FieldConfigurationFlags
Configuration flags for fields These flags are meant to be user-configurable and are not describing a...
Dialog to add a source field attribute.
static QIcon getThemeIcon(const QString &name, const QColor &fillColor=QColor(), const QColor &strokeColor=QColor())
Helper to get a theme icon.
QComboBox subclass which allows selecting multiple items.
QgsCheckableItemModel * model() const
Returns the custom item model which handles checking the items.
void addItemWithCheckState(const QString &text, Qt::CheckState state, const QVariant &userData=QVariant())
Adds an item to the combobox with the given text, check state (stored in the Qt::CheckStateRole) and ...
QStandardItemModel subclass which makes all items checkable by default.
QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const override
Returns the data stored under the given role for the item referred to by the index.
A generic dialog for building expression strings.
static QgsExpressionContextScope * projectScope(const QgsProject *project)
Creates a new scope which contains variables and functions relating to a QGIS project.
static QgsExpressionContextScope * globalScope()
Creates a new scope which contains variables and functions relating to the global QGIS context.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
A dialog class that provides calculation of new fields using existing fields, values and a set of ope...
Encapsulate a field in an attribute table or data source.
QString typeName() const
Gets the field type.
QString friendlyTypeString() const
Returns a user friendly, translated representation of the field type.
static QString readableConfigurationFlag(Qgis::FieldConfigurationFlag flag)
Returns the readable and translated value of the configuration flag.
Container of fields for a vector layer.
Qgis::FieldOrigin fieldOrigin(int fieldIdx) const
Returns the field's origin (value from an enumeration).
Q_INVOKABLE bool exists(int i) const
Returns if a field index is valid.
void clear()
Removes all fields.
QgsField at(int i) const
Returns the field at particular index (must be in range 0..N-1).
QIcon iconForField(int fieldIdx, bool considerOrigin=false) const
Returns an icon corresponding to a field index, based on the field's type and source.
void editingStopped()
Emitted when edited changes have been successfully written to the data provider.
void editingStarted()
Emitted when editing on this layer has started.
static QgsProject * instance()
Returns the QgsProject singleton instance.
@ AttrConfigurationFlagsCol
QList< QTableWidgetItem * > mIndexedWidgets
QgsSourceFieldsProperties(QgsVectorLayer *layer, QWidget *parent=nullptr)
bool addAttribute(const QgsField &field)
Adds an attribute to the table (but does not commit it yet)
void setRow(int row, int idx, const QgsField &field)
This is the base class for vector data providers.
virtual Q_INVOKABLE Qgis::VectorProviderCapabilities capabilities() const
Returns flags containing the supported capabilities.
Represents a vector layer which manages a vector based data sets.
void setFieldConfigurationFlags(int index, Qgis::FieldConfigurationFlags flags)
Sets the configuration flags of the field at given index.
bool addAttribute(const QgsField &field)
Add an attribute field (but does not commit it) returns true if the field was added.
void attributeAdded(int idx)
Will be emitted, when a new attribute has been added to this vector layer.
QString expressionField(int index) const
Returns the expression used for a given expression field.
void updateExpressionField(int index, const QString &exp)
Changes the expression used to define an expression based (virtual) field.
void endEditCommand()
Finish edit command and add it to undo/redo stack.
void destroyEditCommand()
Destroy active command and reverts all changes in it.
bool isEditable() const FINAL
Returns true if the provider is in editing mode.
void attributeDeleted(int idx)
Will be emitted, when an attribute has been deleted from this vector layer.
Qgis::FieldConfigurationFlags fieldConfigurationFlags(int index) const
Returns the configuration flags of the field at given index.
Q_INVOKABLE bool commitChanges(bool stopEditing=true)
Attempts to commit to the underlying data provider any buffered changes made since the last to call t...
QgsVectorDataProvider * dataProvider() FINAL
Returns the layer's data provider, it may be nullptr.
bool deleteAttributes(const QList< int > &attrs)
Deletes a list of attribute fields (but does not commit it)
bool renameAttribute(int index, const QString &newName)
Renames an attribute field (but does not commit it).
void beginEditCommand(const QString &text)
Create edit command for undo/redo operations.
#define QgsDebugMsgLevel(str, level)