def add_new_item(self):
feature = QgsFeature()
attribute_form = QgsAttributeForm(self.layer, parent=self)
attribute_form.setMode(QgsAttributeEditorContext.AddFeatureMode)
attribute_form.show()
class NTSelectByFormDialog(QDialog):
def __init__(self, layer, iface):
super().__init__(None)
self.setWindowModality(Qt.WindowModal)
layout = QVBoxLayout()
layout.setMargin(0)
layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(layout)
dlgContext = QgsAttributeEditorContext()
dlgContext.setFormMode(QgsAttributeEditorContext.StandaloneDialog)
dlgContext.setAllowCustomUi(False)
self.form = QgsAttributeForm(layer, context=dlgContext, parent=self)
self.form.setMode(3)
self.configureForm()
layout.addWidget(self.form)
self.form.zoomToFeatures.connect(self.zoomToFeatures)
self.form.closed.connect(self.close)
self.setWindowTitle(self.tr('Filter NavTable Features by Form'))
self.expression = ''
def configureForm(self):
'''
Hack to modify QgsAttributeForm
'''
self.form.findChild(QWidget, 'searchButtonBox').hide()
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok)
self.buttonBox.setObjectName("buttonBox")
self.buttonBox.accepted.connect(self.form.searchZoomTo)
self.buttonBox.rejected.connect(self.reject)
self.form.layout().addWidget(self.buttonBox)
def zoomToFeatures(self, filter):
self.expression = filter
super().accept()
def test_on_update(self):
"""Test live update"""
layer = QgsVectorLayer("Point?field=age:int", "vl", "memory")
# set default value for numbers to [1, {age}], it will depend on the field age and should update
field = QgsField('numbers', QVariant.List, 'array')
field.setEditorWidgetSetup(QgsEditorWidgetSetup('List', {}))
layer.dataProvider().addAttributes([field])
layer.updateFields()
layer.setDefaultValueDefinition(1,
QgsDefaultValue('array(1, age)', True))
layer.setEditorWidgetSetup(1, QgsEditorWidgetSetup('List', {}))
layer.startEditing()
form = QgsAttributeForm(layer)
feature = QgsFeature(layer.fields())
form.setFeature(feature)
form.setMode(QgsAttributeEditorContext.AddFeatureMode)
form.changeAttribute('numbers', [12])
form.changeAttribute('age', 1)
self.assertEqual(form.currentFormFeature()['numbers'], [1, 1])
form.changeAttribute('age', 7)
self.assertEqual(form.currentFormFeature()['numbers'], [1, 7])
# coding: utf-8 from qgis.gui import QgsAttributeForm from qgis.utils import iface layer = iface.activeLayer() attribute_form = QgsAttributeForm(layer, layer.getFeatures().next()) attribute_form.setMode(QgsAttributeForm.SingleEditMode) # SingleEditMode, AddFeatureMode, MultiEditMode, SearchMode attribute_form.show()
