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qgsfieldsproperties.cpp
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qgsfieldsproperties.cpp
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/***************************************************************************
qgsfieldsproperties.cpp
---------------------
begin : September 2012
copyright : (C) 2012 by Matthias Kuhn
email : matthias at opengis dot ch
***************************************************************************
* *
* 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 "qgseditorwidgetfactory.h"
#include "qgseditorwidgetregistry.h"
#include "qgsaddattrdialog.h"
#include "qgsaddtaborgroup.h"
#include "qgsapplication.h"
#include "qgsattributetypedialog.h"
#include "qgsfieldcalculator.h"
#include "qgsexpressionbuilderdialog.h"
#include "qgsfieldsproperties.h"
#include "qgslogger.h"
#include "qgsmaplayerregistry.h"
#include "qgsproject.h"
#include "qgsrelationmanager.h"
#include "qgsvectordataprovider.h"
#include "qgsvectorlayer.h"
#include <QTreeWidgetItem>
#include <QWidget>
#include <QMimeData>
#include <QDropEvent>
#include <QPushButton>
#include <QTableWidgetItem>
#include <QMessageBox>
#include <QSettings>
#include <QFileDialog>
#include <QHBoxLayout>
#include <QFormLayout>
QgsFieldsProperties::QgsFieldsProperties( QgsVectorLayer *layer, QWidget* parent )
: QWidget( parent )
, mLayer( layer )
, mDesignerTree( nullptr )
, mFieldsList( nullptr )
, mRelationsList( nullptr )
{
if ( !layer )
return;
setupUi( this );
mSplitter->restoreState( QSettings().value( "/Windows/VectorLayerProperties/FieldsProperties/SplitState" ).toByteArray() );
// Init as hidden by default, it will be enabled if project is set to
mAttributeEditorOptionsWidget->setVisible( false );
mAddAttributeButton->setIcon( QgsApplication::getThemeIcon( "/mActionNewAttribute.svg" ) );
mDeleteAttributeButton->setIcon( QgsApplication::getThemeIcon( "/mActionDeleteAttribute.svg" ) );
mToggleEditingButton->setIcon( QgsApplication::getThemeIcon( "/mActionToggleEditing.svg" ) );
mCalculateFieldButton->setIcon( QgsApplication::getThemeIcon( "/mActionCalculateField.svg" ) );
connect( mToggleEditingButton, SIGNAL( clicked() ), this, SIGNAL( toggleEditing() ) );
connect( mLayer, SIGNAL( editingStarted() ), this, SLOT( editingToggled() ) );
connect( mLayer, SIGNAL( editingStopped() ), this, SLOT( editingToggled() ) );
connect( mLayer, SIGNAL( attributeAdded( int ) ), this, SLOT( attributeAdded( int ) ) );
connect( mLayer, SIGNAL( attributeDeleted( int ) ), this, SLOT( attributeDeleted( int ) ) );
// tab and group display
mAddItemButton->setEnabled( false );
mDesignerTree = new DesignerTree( mAttributesTreeFrame );
mDesignerListLayout->addWidget( mDesignerTree );
mDesignerTree->setHeaderLabels( QStringList() << tr( "Label" ) );
mFieldsList = new DragList( mAttributesListFrame );
mAttributesListLayout->addWidget( mFieldsList );
mFieldsList->setColumnCount( attrColCount );
mFieldsList->setSelectionBehavior( QAbstractItemView::SelectRows );
mFieldsList->setDragDropMode( QAbstractItemView::DragOnly );
mFieldsList->setHorizontalHeaderItem( attrIdCol, new QTableWidgetItem( tr( "Id" ) ) );
mFieldsList->setHorizontalHeaderItem( attrNameCol, new QTableWidgetItem( tr( "Name" ) ) );
mFieldsList->setHorizontalHeaderItem( attrTypeCol, new QTableWidgetItem( tr( "Type" ) ) );
mFieldsList->setHorizontalHeaderItem( attrTypeNameCol, new QTableWidgetItem( tr( "Type name" ) ) );
mFieldsList->setHorizontalHeaderItem( attrLengthCol, new QTableWidgetItem( tr( "Length" ) ) );
mFieldsList->setHorizontalHeaderItem( attrPrecCol, new QTableWidgetItem( tr( "Precision" ) ) );
mFieldsList->setHorizontalHeaderItem( attrCommentCol, new QTableWidgetItem( tr( "Comment" ) ) );
mFieldsList->setHorizontalHeaderItem( attrEditTypeCol, new QTableWidgetItem( tr( "Edit widget" ) ) );
mFieldsList->setHorizontalHeaderItem( attrWMSCol, new QTableWidgetItem( "WMS" ) );
mFieldsList->setHorizontalHeaderItem( attrWFSCol, new QTableWidgetItem( "WFS" ) );
mFieldsList->setHorizontalHeaderItem( attrAliasCol, new QTableWidgetItem( tr( "Alias" ) ) );
mFieldsList->setSortingEnabled( true );
mFieldsList->sortByColumn( 0, Qt::AscendingOrder );
mFieldsList->setSelectionBehavior( QAbstractItemView::SelectRows );
mFieldsList->setSelectionMode( QAbstractItemView::ExtendedSelection );
mFieldsList->verticalHeader()->hide();
connect( mDesignerTree, SIGNAL( itemSelectionChanged() ), this, SLOT( onAttributeSelectionChanged() ) );
connect( mFieldsList, SIGNAL( itemSelectionChanged() ), this, SLOT( onAttributeSelectionChanged() ) );
mRelationsList = new DragList( mRelationsFrame );
mRelationsFrameLayout->addWidget( mRelationsList );
mRelationsList->setColumnCount( RelColCount );
mRelationsList->setDragDropMode( QAbstractItemView::DragOnly );
mRelationsList->setSelectionMode( QAbstractItemView::SingleSelection );
mRelationsList->setSelectionBehavior( QAbstractItemView::SelectRows );
mRelationsList->setHorizontalHeaderItem( RelIdCol, new QTableWidgetItem( tr( "Id" ) ) );
mRelationsList->setHorizontalHeaderItem( RelNameCol, new QTableWidgetItem( tr( "Name" ) ) );
mRelationsList->setHorizontalHeaderItem( RelLayerCol, new QTableWidgetItem( tr( "Layer" ) ) );
mRelationsList->setHorizontalHeaderItem( RelFieldCol, new QTableWidgetItem( tr( "Field" ) ) );
mRelationsList->setHorizontalHeaderItem( RelNmCol, new QTableWidgetItem( tr( "Cardinality" ) ) );
mRelationsList->verticalHeader()->hide();
mRelationsList->horizontalHeader()->setStretchLastSection( true );
// Init function stuff
mInitCodeSourceComboBox->addItem( tr( "" ) );
mInitCodeSourceComboBox->addItem( tr( "Load from external file" ) );
mInitCodeSourceComboBox->addItem( tr( "Provide code in this dialog" ) );
mInitCodeSourceComboBox->addItem( tr( "Load from the environment" ) );
loadRelations();
updateButtons();
}
QgsFieldsProperties::~QgsFieldsProperties()
{
QSettings().setValue( "/Windows/VectorLayerProperties/FieldsProperties/SplitState", mSplitter->saveState() );
}
void QgsFieldsProperties::init()
{
loadRows();
mEditorLayoutComboBox->setCurrentIndex( mLayer->editFormConfig().layout() );
mFormSuppressCmbBx->setCurrentIndex( mLayer->editFormConfig().suppress() );
loadAttributeEditorTree();
}
void QgsFieldsProperties::onAttributeSelectionChanged()
{
bool isAddPossible = false;
if ( mDesignerTree->selectedItems().count() == 1 && !mFieldsList->selectedItems().isEmpty() )
if ( mDesignerTree->selectedItems()[0]->data( 0, DesignerTreeRole ).value<DesignerTreeItemData>().type() == DesignerTreeItemData::Container )
isAddPossible = true;
mAddItemButton->setEnabled( isAddPossible );
updateButtons();
}
QTreeWidgetItem *QgsFieldsProperties::loadAttributeEditorTreeItem( QgsAttributeEditorElement* const widgetDef, QTreeWidgetItem* parent )
{
QTreeWidgetItem* newWidget = nullptr;
switch ( widgetDef->type() )
{
case QgsAttributeEditorElement::AeTypeField:
{
DesignerTreeItemData itemData = DesignerTreeItemData( DesignerTreeItemData::Field, widgetDef->name() );
itemData.setShowLabel( widgetDef->showLabel() );
newWidget = mDesignerTree->addItem( parent, itemData );
break;
}
case QgsAttributeEditorElement::AeTypeRelation:
{
DesignerTreeItemData itemData = DesignerTreeItemData( DesignerTreeItemData::Relation, widgetDef->name() );
itemData.setShowLabel( widgetDef->showLabel() );
newWidget = mDesignerTree->addItem( parent, itemData );
break;
}
case QgsAttributeEditorElement::AeTypeContainer:
{
DesignerTreeItemData itemData( DesignerTreeItemData::Container, widgetDef->name() );
itemData.setShowLabel( widgetDef->showLabel() );
const QgsAttributeEditorContainer* container = dynamic_cast<const QgsAttributeEditorContainer*>( widgetDef );
if ( !container )
break;
itemData.setColumnCount( container->columnCount() );
itemData.setShowAsGroupBox( container->isGroupBox() );
newWidget = mDesignerTree->addItem( parent, itemData );
Q_FOREACH ( QgsAttributeEditorElement* wdg, container->children() )
{
loadAttributeEditorTreeItem( wdg, newWidget );
}
}
break;
default:
QgsDebugMsg( "Unknown attribute editor widget type encountered..." );
break;
}
return newWidget;
}
void QgsFieldsProperties::setEditFormInit( const QString &editForm,
const QString &initFunction,
const QString &initCode,
const QString &initFilePath,
QgsEditFormConfig::PythonInitCodeSource codeSource )
{
// Python init function and code
QString code( initCode );
if ( code.isEmpty() )
{
code.append( tr( "# -*- coding: utf-8 -*-\n\"\"\"\n"
"QGIS forms can have a Python function that is called when the form is\n"
"opened.\n"
"\n"
"Use this function to add extra logic to your forms.\n"
"\n"
"Enter the name of the function in the \"Python Init function\"\n"
"field.\n"
"An example follows:\n"
"\"\"\"\n"
"from qgis.PyQt.QtWidgets import QWidget\n\n"
"def my_form_open(dialog, layer, feature):\n"
"\tgeom = feature.geometry()\n"
"\tcontrol = dialog.findChild(QWidget, \"MyLineEdit\")\n" ) );
}
mEditFormLineEdit->setText( editForm );
mInitFilePathLineEdit->setText( initFilePath );
mInitCodeEditorPython->setText( code );
mInitFunctionLineEdit->setText( initFunction );
mInitCodeSourceComboBox->setCurrentIndex( codeSource );
}
void QgsFieldsProperties::loadAttributeEditorTree()
{
// tabs and groups info
mDesignerTree->clear();
mDesignerTree->setSortingEnabled( false );
mDesignerTree->setSelectionBehavior( QAbstractItemView::SelectRows );
mDesignerTree->setDragDropMode( QAbstractItemView::InternalMove );
mDesignerTree->setAcceptDrops( true );
mDesignerTree->setDragDropMode( QAbstractItemView::DragDrop );
Q_FOREACH ( QgsAttributeEditorElement* wdg, mLayer->editFormConfig().tabs() )
{
loadAttributeEditorTreeItem( wdg, mDesignerTree->invisibleRootItem() );
}
}
void QgsFieldsProperties::loadRows()
{
disconnect( mFieldsList, SIGNAL( cellChanged( int, int ) ), this, SLOT( attributesListCellChanged( int, int ) ) );
const QgsFields &fields = mLayer->fields();
mIndexedWidgets.clear();
mFieldsList->setRowCount( 0 );
for ( int i = 0; i < fields.count(); ++i )
attributeAdded( i );
mFieldsList->resizeColumnsToContents();
connect( mFieldsList, SIGNAL( cellChanged( int, int ) ), this, SLOT( attributesListCellChanged( int, int ) ) );
updateFieldRenamingStatus();
}
void QgsFieldsProperties::setRow( int row, int idx, const QgsField& field )
{
QTableWidgetItem* dataItem = new QTableWidgetItem();
dataItem->setData( Qt::DisplayRole, idx );
DesignerTreeItemData itemData( DesignerTreeItemData::Field, field.name() );
dataItem->setData( DesignerTreeRole, itemData.asQVariant() );
switch ( mLayer->fields().fieldOrigin( idx ) )
{
case QgsFields::OriginExpression:
dataItem->setIcon( QgsApplication::getThemeIcon( "/mIconExpression.svg" ) );
break;
case QgsFields::OriginJoin:
dataItem->setIcon( QgsApplication::getThemeIcon( "/propertyicons/join.png" ) );
break;
default:
dataItem->setIcon( mLayer->fields().iconForField( idx ) );
break;
}
mFieldsList->setItem( row, attrIdCol, dataItem );
mIndexedWidgets.insert( idx, mFieldsList->item( row, 0 ) );
mFieldsList->setItem( row, attrNameCol, new QTableWidgetItem( field.name() ) );
mFieldsList->setItem( row, attrTypeCol, new QTableWidgetItem( QVariant::typeToName( field.type() ) ) );
mFieldsList->setItem( row, attrTypeNameCol, new QTableWidgetItem( field.typeName() ) );
mFieldsList->setItem( row, attrLengthCol, new QTableWidgetItem( QString::number( field.length() ) ) );
mFieldsList->setItem( row, attrPrecCol, new QTableWidgetItem( QString::number( field.precision() ) ) );
if ( mLayer->fields().fieldOrigin( idx ) == QgsFields::OriginExpression )
{
QWidget* expressionWidget = new QWidget;
expressionWidget->setLayout( new QHBoxLayout );
QToolButton* editExpressionButton = new QToolButton;
editExpressionButton->setProperty( "Index", idx );
editExpressionButton->setIcon( QgsApplication::getThemeIcon( "/mIconExpression.svg" ) );
connect( editExpressionButton, SIGNAL( clicked() ), this, SLOT( updateExpression() ) );
expressionWidget->layout()->setContentsMargins( 0, 0, 0, 0 );
expressionWidget->layout()->addWidget( editExpressionButton );
expressionWidget->layout()->addWidget( new QLabel( mLayer->expressionField( idx ) ) );
mFieldsList->setCellWidget( row, attrCommentCol, expressionWidget );
}
else
{
mFieldsList->setItem( row, attrCommentCol, new QTableWidgetItem( field.comment() ) );
}
QList<int> notEditableCols = QList<int>()
<< attrIdCol
<< attrNameCol
<< attrTypeCol
<< attrTypeNameCol
<< attrLengthCol
<< attrPrecCol;
Q_FOREACH ( int i, notEditableCols )
mFieldsList->item( row, i )->setFlags( mFieldsList->item( row, i )->flags() & ~Qt::ItemIsEditable );
bool canRenameFields = mLayer->isEditable() && ( mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::RenameAttributes ) && !mLayer->readOnly();
if ( canRenameFields )
mFieldsList->item( row, attrNameCol )->setFlags( mFieldsList->item( row, attrNameCol )->flags() | Qt::ItemIsEditable );
else
mFieldsList->item( row, attrNameCol )->setFlags( mFieldsList->item( row, attrNameCol )->flags() & ~Qt::ItemIsEditable );
FieldConfig cfg( mLayer, idx );
QPushButton *pb;
pb = new QPushButton( QgsEditorWidgetRegistry::instance()->name( cfg.mEditorWidgetType ) );
cfg.mButton = pb;
mFieldsList->setCellWidget( row, attrEditTypeCol, pb );
connect( pb, SIGNAL( pressed() ), this, SLOT( attributeTypeDialog() ) );
setConfigForRow( row, cfg );
//set the alias for the attribute
mFieldsList->setItem( row, attrAliasCol, new QTableWidgetItem( field.alias() ) );
//published WMS/WFS attributes
QTableWidgetItem* wmsAttrItem = new QTableWidgetItem();
wmsAttrItem->setCheckState( mLayer->excludeAttributesWms().contains( field.name() ) ? Qt::Unchecked : Qt::Checked );
wmsAttrItem->setFlags( Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable );
mFieldsList->setItem( row, attrWMSCol, wmsAttrItem );
QTableWidgetItem* wfsAttrItem = new QTableWidgetItem();
wfsAttrItem->setCheckState( mLayer->excludeAttributesWfs().contains( field.name() ) ? Qt::Unchecked : Qt::Checked );
wfsAttrItem->setFlags( Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable );
mFieldsList->setItem( row, attrWFSCol, wfsAttrItem );
}
void QgsFieldsProperties::loadRelations()
{
mRelationsList->setRowCount( 0 );
mRelations = QgsProject::instance()->relationManager()->referencedRelations( mLayer );
int idx = 0;
Q_FOREACH ( const QgsRelation& relation, mRelations )
{
mRelationsList->insertRow( idx );
QTableWidgetItem* item = new QTableWidgetItem( relation.name() );
item->setFlags( Qt::ItemIsDragEnabled | Qt::ItemIsEnabled | Qt::ItemIsSelectable );
DesignerTreeItemData itemData( DesignerTreeItemData::Relation, QString( "%1" ).arg( relation.id() ) );
item->setData( DesignerTreeRole, itemData.asQVariant() );
mRelationsList->setItem( idx, RelNameCol, item );
item = new QTableWidgetItem( relation.referencingLayer()->name() );
item->setFlags( Qt::ItemIsDragEnabled | Qt::ItemIsEnabled | Qt::ItemIsSelectable );
mRelationsList->setItem( idx, RelLayerCol, item );
item = new QTableWidgetItem( relation.fieldPairs().at( 0 ).referencingField() );
item->setFlags( Qt::ItemIsDragEnabled | Qt::ItemIsEnabled | Qt::ItemIsSelectable );
mRelationsList->setItem( idx, RelFieldCol, item );
item = new QTableWidgetItem( relation.id() );
item->setFlags( Qt::ItemIsDragEnabled | Qt::ItemIsEnabled | Qt::ItemIsSelectable );
mRelationsList->setItem( idx, RelIdCol, item );
QComboBox* nmCombo = new QComboBox( mRelationsList );
nmCombo->addItem( tr( "Many to one relation" ) );
Q_FOREACH ( const QgsRelation& nmrel, QgsProject::instance()->relationManager()->referencingRelations( relation.referencingLayer() ) )
{
if ( nmrel.fieldPairs().at( 0 ).referencingField() != relation.fieldPairs().at( 0 ).referencingField() )
nmCombo->addItem( QString( "%1 (%2)" ).arg( nmrel.referencedLayer()->name(), nmrel.fieldPairs().at( 0 ).referencedField() ), nmrel.id() );
QgsEditorWidgetConfig cfg = mLayer->editFormConfig().widgetConfig( relation.id() );
QVariant nmrelcfg = cfg.value( "nm-rel" );
int idx = nmCombo->findData( nmrelcfg.toString() );
if ( idx != -1 )
nmCombo->setCurrentIndex( idx );
}
if ( nmCombo->count() == 1 )
{
nmCombo->setEnabled( false );
}
mRelationsList->setCellWidget( idx, RelNmCol, nmCombo );
++idx;
}
}
void QgsFieldsProperties::on_mAddItemButton_clicked()
{
QList<QTableWidgetItem*> listItems = mFieldsList->selectedItems();
QList<QTreeWidgetItem*> treeItems = mDesignerTree->selectedItems();
if ( treeItems.count() != 1 && listItems.isEmpty() )
return;
QTreeWidgetItem *parent = treeItems[0];
if ( parent->data( 0, DesignerTreeRole ).value<DesignerTreeItemData>().type() != DesignerTreeItemData::Container )
return;
Q_FOREACH ( QTableWidgetItem* item, listItems )
{
if ( item->column() == 0 ) // Information is in the first column
mDesignerTree->addItem( parent, item->data( DesignerTreeRole ).value<DesignerTreeItemData>() );
}
}
void QgsFieldsProperties::on_mAddTabOrGroupButton_clicked()
{
QList<QgsAddTabOrGroup::TabPair> tabList;
for ( QTreeWidgetItemIterator it( mDesignerTree ); *it; ++it )
{
DesignerTreeItemData itemData = ( *it )->data( 0, DesignerTreeRole ).value<DesignerTreeItemData>();
if ( itemData.type() == DesignerTreeItemData::Container )
{
tabList.append( QgsAddTabOrGroup::TabPair( itemData.name(), *it ) );
}
}
QgsAddTabOrGroup addTabOrGroup( mLayer, tabList, this );
if ( !addTabOrGroup.exec() )
return;
QString name = addTabOrGroup.name();
if ( addTabOrGroup.tabButtonIsChecked() )
{
mDesignerTree->addContainer( mDesignerTree->invisibleRootItem(), name, addTabOrGroup.columnCount() );
}
else
{
QTreeWidgetItem* tabItem = addTabOrGroup.tab();
mDesignerTree->addContainer( tabItem, name, addTabOrGroup.columnCount() );
}
}
void QgsFieldsProperties::on_mRemoveTabGroupItemButton_clicked()
{
qDeleteAll( mDesignerTree->selectedItems() );
}
void QgsFieldsProperties::on_mMoveDownItem_clicked()
{
QList<QTreeWidgetItem*> itemList = mDesignerTree->selectedItems();
if ( itemList.count() != 1 )
return;
QTreeWidgetItem* itemToMoveDown = itemList.first();
QTreeWidgetItem* parent = itemToMoveDown->parent();
if ( !parent )
{
parent = mDesignerTree->invisibleRootItem();
}
int itemIndex = parent->indexOfChild( itemToMoveDown );
if ( itemIndex < parent->childCount() - 1 )
{
parent->takeChild( itemIndex );
parent->insertChild( itemIndex + 1, itemToMoveDown );
itemToMoveDown->setSelected( true );
parent->child( itemIndex )->setSelected( false );
}
}
void QgsFieldsProperties::on_mMoveUpItem_clicked()
{
QList<QTreeWidgetItem*> itemList = mDesignerTree->selectedItems();
if ( itemList.count() != 1 )
return;
QTreeWidgetItem* itemToMoveUp = itemList.first();
QTreeWidgetItem* parent = itemToMoveUp->parent();
if ( !parent )
{
parent = mDesignerTree->invisibleRootItem();
}
int itemIndex = parent->indexOfChild( itemToMoveUp );
if ( itemIndex > 0 )
{
parent->takeChild( itemIndex );
parent->insertChild( itemIndex - 1, itemToMoveUp );
itemToMoveUp->setSelected( true );
parent->child( itemIndex )->setSelected( false );
}
}
void QgsFieldsProperties::on_mInitCodeSourceComboBox_currentIndexChanged( int codeSource )
{
// Show or hide ui elements as needed
mInitFunctionContainer->setVisible( codeSource != QgsEditFormConfig::CodeSourceNone );
mPythonInitCodeGroupBox->setVisible( codeSource == QgsEditFormConfig::CodeSourceDialog );
mInitFilePathLineEdit->setVisible( codeSource == QgsEditFormConfig::CodeSourceFile );
mInitFilePathLabel->setVisible( codeSource == QgsEditFormConfig::CodeSourceFile );
pbtnSelectInitFilePath->setVisible( codeSource == QgsEditFormConfig::CodeSourceFile );
}
void QgsFieldsProperties::attributeTypeDialog()
{
QPushButton *pb = qobject_cast<QPushButton *>( sender() );
if ( !pb )
return;
FieldConfig cfg;
int index = -1;
int row = -1;
Q_FOREACH ( QTableWidgetItem* wdg, mIndexedWidgets )
{
cfg = wdg->data( FieldConfigRole ).value<FieldConfig>();
if ( cfg.mButton == pb )
{
index = mIndexedWidgets.indexOf( wdg );
row = wdg->row();
break;
}
}
if ( index == -1 )
return;
QgsAttributeTypeDialog attributeTypeDialog( mLayer, index );
attributeTypeDialog.setFieldEditable( cfg.mEditable );
attributeTypeDialog.setLabelOnTop( cfg.mLabelOnTop );
attributeTypeDialog.setNotNull( cfg.mNotNull );
attributeTypeDialog.setConstraintExpression( cfg.mConstraint );
attributeTypeDialog.setConstraintExpressionDescription( cfg.mConstraintDescription );
attributeTypeDialog.setDefaultValueExpression( mLayer->defaultValueExpression( index ) );
attributeTypeDialog.setWidgetConfig( cfg.mEditorWidgetConfig );
attributeTypeDialog.setWidgetType( cfg.mEditorWidgetType );
if ( !attributeTypeDialog.exec() )
return;
cfg.mEditable = attributeTypeDialog.fieldEditable();
cfg.mLabelOnTop = attributeTypeDialog.labelOnTop();
cfg.mNotNull = attributeTypeDialog.notNull();
cfg.mConstraintDescription = attributeTypeDialog.constraintExpressionDescription();
cfg.mConstraint = attributeTypeDialog.constraintExpression();
mLayer->setDefaultValueExpression( index, attributeTypeDialog.defaultValueExpression() );
cfg.mEditorWidgetType = attributeTypeDialog.editorWidgetType();
cfg.mEditorWidgetConfig = attributeTypeDialog.editorWidgetConfig();
pb->setText( attributeTypeDialog.editorWidgetText() );
setConfigForRow( row, cfg );
}
void QgsFieldsProperties::attributeAdded( int idx )
{
bool sorted = mFieldsList->isSortingEnabled();
if ( sorted )
mFieldsList->setSortingEnabled( false );
const QgsFields &fields = mLayer->fields();
int row = mFieldsList->rowCount();
mFieldsList->insertRow( row );
setRow( row, idx, fields.at( idx ) );
mFieldsList->setCurrentCell( row, idx );
for ( int i = idx + 1; i < mIndexedWidgets.count(); i++ )
mIndexedWidgets.at( i )->setData( Qt::DisplayRole, i );
if ( sorted )
mFieldsList->setSortingEnabled( true );
}
void QgsFieldsProperties::attributeDeleted( int idx )
{
mFieldsList->removeRow( mIndexedWidgets.at( idx )->row() );
mIndexedWidgets.removeAt( idx );
for ( int i = idx; i < mIndexedWidgets.count(); i++ )
{
mIndexedWidgets.at( i )->setData( Qt::DisplayRole, i );
}
}
bool QgsFieldsProperties::addAttribute( const QgsField &field )
{
QgsDebugMsg( "inserting attribute " + field.name() + " of type " + field.typeName() );
mLayer->beginEditCommand( tr( "Added attribute" ) );
if ( mLayer->addAttribute( field ) )
{
mLayer->endEditCommand();
return true;
}
else
{
mLayer->destroyEditCommand();
QMessageBox::critical( this, tr( "Failed to add field" ), tr( "Failed to add field '%1' of type '%2'. Is the field name unique?" ).arg( field.name(), field.typeName() ) );
return false;
}
}
void QgsFieldsProperties::editingToggled()
{
updateButtons();
updateFieldRenamingStatus();
}
QgsFieldsProperties::FieldConfig QgsFieldsProperties::configForRow( int row )
{
Q_FOREACH ( QTableWidgetItem* wdg, mIndexedWidgets )
{
if ( wdg->row() == row )
{
return wdg->data( FieldConfigRole ).value<FieldConfig>();
}
}
// Should never get here
Q_ASSERT( false );
return FieldConfig();
}
void QgsFieldsProperties::setConfigForRow( int row, const QgsFieldsProperties::FieldConfig& cfg )
{
Q_FOREACH ( QTableWidgetItem* wdg, mIndexedWidgets )
{
if ( wdg->row() == row )
{
wdg->setData( FieldConfigRole, QVariant::fromValue<FieldConfig>( cfg ) );
return;
}
}
// Should never get here
Q_ASSERT( false );
}
void QgsFieldsProperties::on_mAddAttributeButton_clicked()
{
QgsAddAttrDialog dialog( mLayer, this );
if ( dialog.exec() == QDialog::Accepted )
{
addAttribute( dialog.field() );
}
}
void QgsFieldsProperties::on_mDeleteAttributeButton_clicked()
{
QSet<int> providerFields;
QSet<int> expressionFields;
Q_FOREACH ( QTableWidgetItem* item, mFieldsList->selectedItems() )
{
if ( item->column() == 0 )
{
int idx = mIndexedWidgets.indexOf( item );
if ( idx < 0 )
continue;
if ( mLayer->fields().fieldOrigin( idx ) == QgsFields::OriginExpression )
expressionFields << idx;
else
providerFields << idx;
}
}
if ( !expressionFields.isEmpty() )
mLayer->deleteAttributes( expressionFields.toList() );
if ( !providerFields.isEmpty() )
{
mLayer->beginEditCommand( tr( "Deleted attributes" ) );
if ( mLayer->deleteAttributes( providerFields.toList() ) )
mLayer->endEditCommand();
else
mLayer->destroyEditCommand();
}
}
void QgsFieldsProperties::updateButtons()
{
int cap = mLayer->dataProvider()->capabilities();
mToggleEditingButton->setEnabled(( cap & QgsVectorDataProvider::ChangeAttributeValues ) && !mLayer->readOnly() );
if ( mLayer->isEditable() )
{
mDeleteAttributeButton->setEnabled( cap & QgsVectorDataProvider::DeleteAttributes );
mAddAttributeButton->setEnabled( cap & QgsVectorDataProvider::AddAttributes );
mToggleEditingButton->setChecked( true );
}
else
{
mToggleEditingButton->setChecked( false );
mAddAttributeButton->setEnabled( false );
// Enable delete button if items are selected
mDeleteAttributeButton->setEnabled( !mFieldsList->selectedItems().isEmpty() );
// and only if all selected items have their origin in an expression
Q_FOREACH ( QTableWidgetItem* item, mFieldsList->selectedItems() )
{
if ( item->column() == 0 )
{
int idx = mIndexedWidgets.indexOf( item );
if ( mLayer->fields().fieldOrigin( idx ) != QgsFields::OriginExpression )
{
mDeleteAttributeButton->setEnabled( false );
break;
}
}
}
}
}
void QgsFieldsProperties::attributesListCellChanged( int row, int column )
{
if ( column == attrAliasCol && mLayer )
{
int idx = mFieldsList->item( row, attrIdCol )->text().toInt();
const QgsFields &fields = mLayer->fields();
if ( idx >= fields.count() )
{
return; // index must be wrong
}
QTableWidgetItem *aliasItem = mFieldsList->item( row, column );
if ( aliasItem )
{
if ( !aliasItem->text().trimmed().isEmpty() )
{
mLayer->addAttributeAlias( idx, aliasItem->text() );
}
else
{
mLayer->remAttributeAlias( idx );
}
}
}
else if ( column == attrNameCol && mLayer && mLayer->isEditable() )
{
QTableWidgetItem *nameItem = mFieldsList->item( row, column );
if ( !nameItem ||
nameItem->text().isEmpty() ||
!mLayer->fields().exists( row ) ||
mLayer->fields().at( row ).name() == nameItem->text() )
return;
mLayer->beginEditCommand( tr( "Rename attribute" ) );
if ( mLayer->renameAttribute( row, nameItem->text() ) )
{
mLayer->endEditCommand();
}
else
{
mLayer->destroyEditCommand();
QMessageBox::critical( this, tr( "Failed to rename field" ), tr( "Failed to rename field to '%1'. Is the field name unique?" ).arg( nameItem->text() ) );
}
}
}
void QgsFieldsProperties::updateExpression()
{
QToolButton* btn = qobject_cast<QToolButton*>( sender() );
Q_ASSERT( btn );
int index = btn->property( "Index" ).toInt();
const QString exp = mLayer->expressionField( index );
QgsExpressionContext context;
context << QgsExpressionContextUtils::globalScope()
<< QgsExpressionContextUtils::projectScope();
QgsExpressionBuilderDialog dlg( mLayer, exp, nullptr, "generic", context );
if ( dlg.exec() )
{
mLayer->updateExpressionField( index, dlg.expressionText() );
loadRows();
}
}
void QgsFieldsProperties::on_mCalculateFieldButton_clicked()
{
if ( !mLayer )
{
return;
}
QgsFieldCalculator calc( mLayer, this );
calc.exec();
}
//
// methods reimplemented from qt designer base class
//
void QgsFieldsProperties::updateFieldRenamingStatus()
{
bool canRenameFields = mLayer->isEditable() && ( mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::RenameAttributes ) && !mLayer->readOnly();
for ( int row = 0; row < mFieldsList->rowCount(); ++row )
{
if ( canRenameFields )
mFieldsList->item( row, attrNameCol )->setFlags( mFieldsList->item( row, attrNameCol )->flags() | Qt::ItemIsEditable );
else
mFieldsList->item( row, attrNameCol )->setFlags( mFieldsList->item( row, attrNameCol )->flags() & ~Qt::ItemIsEditable );
}
}
QgsAttributeEditorElement* QgsFieldsProperties::createAttributeEditorWidget( QTreeWidgetItem* item, QgsAttributeEditorElement* parent , bool forceGroup )
{
QgsAttributeEditorElement *widgetDef = nullptr;
DesignerTreeItemData itemData = item->data( 0, DesignerTreeRole ).value<DesignerTreeItemData>();
switch ( itemData.type() )
{
case DesignerTreeItemData::Field:
{
int idx = mLayer->fieldNameIndex( itemData.name() );
widgetDef = new QgsAttributeEditorField( itemData.name(), idx, parent );
break;
}
case DesignerTreeItemData::Relation:
{
QgsRelation relation = QgsProject::instance()->relationManager()->relation( itemData.name() );
widgetDef = new QgsAttributeEditorRelation( itemData.name(), relation, parent );
break;
}
case DesignerTreeItemData::Container:
{
QgsAttributeEditorContainer* container = new QgsAttributeEditorContainer( item->text( 0 ), parent );
container->setColumnCount( itemData.columnCount() );
container->setIsGroupBox( forceGroup ? true : itemData.showAsGroupBox() );
for ( int t = 0; t < item->childCount(); t++ )
{
container->addChildElement( createAttributeEditorWidget( item->child( t ), container ) );
}
widgetDef = container;
break;
}
}
widgetDef->setShowLabel( itemData.showLabel() );
return widgetDef;
}
void QgsFieldsProperties::on_pbtnSelectInitFilePath_clicked()
{
QSettings myQSettings;
QString lastUsedDir = myQSettings.value( "style/lastInitFilePathDir", "." ).toString();
QString pyfilename = QFileDialog::getOpenFileName( this, tr( "Select Python file" ), lastUsedDir, tr( "Python file" ) + " (*.py)" );
if ( pyfilename.isNull() )
return;
QFileInfo fi( pyfilename );
myQSettings.setValue( "style/lastInitFilePathDir", fi.path() );
mInitFilePathLineEdit->setText( pyfilename );
}
void QgsFieldsProperties::on_pbnSelectEditForm_clicked()
{
QSettings myQSettings;
QString lastUsedDir = myQSettings.value( "style/lastUIDir", QDir::homePath() ).toString();
QString uifilename = QFileDialog::getOpenFileName( this, tr( "Select edit form" ), lastUsedDir, tr( "UI file" ) + " (*.ui)" );
if ( uifilename.isNull() )
return;
QFileInfo fi( uifilename );
myQSettings.setValue( "style/lastUIDir", fi.path() );
mEditFormLineEdit->setText( uifilename );
}
void QgsFieldsProperties::on_mEditorLayoutComboBox_currentIndexChanged( int index )
{
switch ( index )
{
case 0:
mAttributeEditorOptionsWidget->setVisible( false );
break;
case 1:
mAttributeEditorOptionsWidget->setVisible( true );
mAttributeEditorOptionsWidget->setCurrentIndex( 1 );
break;
case 2:
mAttributeEditorOptionsWidget->setVisible( true );
mAttributeEditorOptionsWidget->setCurrentIndex( 0 );
break;
}
}
void QgsFieldsProperties::apply()
{
QSet<QString> excludeAttributesWMS, excludeAttributesWFS;
for ( int i = 0; i < mFieldsList->rowCount(); i++ )
{
int idx = mFieldsList->item( i, attrIdCol )->text().toInt();
FieldConfig cfg = configForRow( i );
mLayer->editFormConfig().setReadOnly( i, !cfg.mEditable );
mLayer->editFormConfig().setLabelOnTop( i, cfg.mLabelOnTop );
mLayer->editFormConfig().setNotNull( i, cfg.mNotNull );
mLayer->editFormConfig().setExpressionDescription( i, cfg.mConstraintDescription );
mLayer->editFormConfig().setExpression( i, cfg.mConstraint );
mLayer->editFormConfig().setWidgetType( idx, cfg.mEditorWidgetType );
mLayer->editFormConfig().setWidgetConfig( idx, cfg.mEditorWidgetConfig );
if ( mFieldsList->item( i, attrWMSCol )->checkState() == Qt::Unchecked )
{
excludeAttributesWMS.insert( mFieldsList->item( i, attrNameCol )->text() );
}
if ( mFieldsList->item( i, attrWFSCol )->checkState() == Qt::Unchecked )
{
excludeAttributesWFS.insert( mFieldsList->item( i, attrNameCol )->text() );
}
}
// tabs and groups
QgsEditFormConfig editFormConfig = mLayer->editFormConfig();
editFormConfig.clearTabs();
for ( int t = 0; t < mDesignerTree->invisibleRootItem()->childCount(); t++ )
{
QTreeWidgetItem* tabItem = mDesignerTree->invisibleRootItem()->child( t );
editFormConfig.addTab( createAttributeEditorWidget( tabItem, nullptr, false ) );
}
editFormConfig.setLayout(( QgsEditFormConfig::EditorLayout ) mEditorLayoutComboBox->currentIndex() );
if ( mEditorLayoutComboBox->currentIndex() == QgsEditFormConfig::UiFileLayout )
editFormConfig.setUiForm( mEditFormLineEdit->text() );
// Init function configuration
editFormConfig.setInitFunction( mInitFunctionLineEdit->text() );
editFormConfig.setInitCode( mInitCodeEditorPython->text() );
editFormConfig.setInitFilePath( mInitFilePathLineEdit->text() );
editFormConfig.setInitCodeSource(( QgsEditFormConfig::PythonInitCodeSource )mInitCodeSourceComboBox->currentIndex() );
editFormConfig.setSuppress(( QgsEditFormConfig::FeatureFormSuppress )mFormSuppressCmbBx->currentIndex() );
mLayer->setExcludeAttributesWms( excludeAttributesWMS );
mLayer->setExcludeAttributesWfs( excludeAttributesWFS );
// relations
for ( int i = 0; i < mRelationsList->rowCount(); ++i )
{
QgsEditorWidgetConfig cfg;
QComboBox* cb = qobject_cast<QComboBox*>( mRelationsList->cellWidget( i, RelNmCol ) );
QVariant otherRelation = cb->itemData( cb->currentIndex() );
if ( otherRelation.isValid() )
{
cfg["nm-rel"] = otherRelation.toString();
}
DesignerTreeItemData itemData = mRelationsList->item( i, RelNameCol )->data( DesignerTreeRole ).value<DesignerTreeItemData>();