def generate_form_preview(self):
"""
Create the form preview to show to the user.
"""
form = self.form.copy()
form.settings['widgets'] = list(self.widgetmodel.widgets())
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
featureform = FeatureForm.from_form(form, form.settings, None, {})
from roam import defaults
defaultwidgets = form.widgetswithdefaults()
layer = form.QGISLayer
try:
values = {}
feature = next(layer.getFeatures())
defaultvalues = defaults.default_values(defaultwidgets, feature,
layer)
values.update(defaultvalues)
featureform.bindvalues(values)
except StopIteration:
pass
self.frame_2.layout().addWidget(featureform)
def load_feature_form(self,
feature,
form,
editmode,
clear=True,
callback=None):
"""
Opens the form for the given feature.
"""
def _sink(_):
pass
if not callback:
callback = _sink
if clear:
# Clear all the other open widgets that might be open.
self.clear(dontemit=True)
# One capture geometry, even for sub forms?
# HACK Remove me and do something smarter
roam.qgisfunctions.capturegeometry = feature.geometry()
# Hold a reference to the fields because QGIS will let the
# go out of scope and we get crashes. Yay!
layer = form.QGISLayer
self.fields = feature.fields()
attributes = feature.attributes()
fields = [field.name().lower() for field in self.fields]
# Something is strange with default values and spatilite. Just delete them for now.
if layer.dataProvider().name() == 'spatialite':
pkindexes = layer.dataProvider().pkAttributeIndexes()
for index in pkindexes:
del fields[index]
del attributes[index]
values = CaseInsensitiveDict(zip(fields, attributes))
defaultvalues = {}
if not editmode:
defaultwidgets = form.widgetswithdefaults()
defaultvalues = defaults.default_values(defaultwidgets, feature,
layer)
defaultvalues.update(featureform.loadsavedvalues(layer))
values.update(defaultvalues)
initconfig = dict(form=form, canvas=self.canvas, editmode=editmode)
config = dict(editmode=editmode,
layers=QgsMapLayerRegistry.instance().mapLayers(),
feature=feature)
self.add_widget(FeatureFormWidgetEditor,
values,
callback,
config,
initconfig=initconfig)
def default_values(self, feature):
"""
Return the default values for the form using the given feature.
:param feature: The feature that can be used for default values
:return: A dict of default values for the form
"""
defaultwidgets = self.widgetswithdefaults()
defaultvalues = defaults.default_values(defaultwidgets, feature, self.QGISLayer)
return defaultvalues
def default_values(self, feature):
"""
Return the default values for the form using the given feature.
:param feature: The feature that can be used for default values
:return: A dict of default values for the form
"""
defaultwidgets = self.widgetswithdefaults()
defaultvalues = defaults.default_values(defaultwidgets, feature, self.QGISLayer)
return defaultvalues
def load_feature_form(self, feature, form, editmode, clear=True, callback=None):
"""
Opens the form for the given feature.
"""
def _sink(_):
pass
if not callback:
callback = _sink
if clear:
# Clear all the other open widgets that might be open.
self.clear(dontemit=True)
# One capture geometry, even for sub forms?
# HACK Remove me and do something smarter
roam.qgisfunctions.capturegeometry = feature.geometry()
# Hold a reference to the fields because QGIS will let the
# go out of scope and we get crashes. Yay!
layer = form.QGISLayer
self.fields = feature.fields()
attributes = feature.attributes()
fields = [field.name().lower() for field in self.fields]
# Something is strange with default values and spatilite. Just delete them for now.
if layer.dataProvider().name() == 'spatialite':
pkindexes = layer.dataProvider().pkAttributeIndexes()
for index in pkindexes:
del fields[index]
del attributes[index]
values = CaseInsensitiveDict(zip(fields, attributes))
defaultvalues = {}
if not editmode:
defaultwidgets = form.widgetswithdefaults()
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
defaultvalues.update(featureform.loadsavedvalues(layer))
values.update(defaultvalues)
initconfig = dict(form=form,
canvas=self.canvas,
editmode=editmode,
defaults=defaultvalues)
config = dict(editmode=editmode,
layers=QgsMapLayerRegistry.instance().mapLayers(),
feature=feature)
if self.project:
layertools = self.project.layer_tools(layer)
config['tools'] = layertools
self.add_widget(FeatureFormWidgetEditor, values, callback, config, initconfig=initconfig)
def default_values(self, feature):
"""
Return the default values for the form using the given feature.
:param feature: The feature that can be used for default values
:return: A dict of default values for the form
"""
# One capture geometry, even for sub forms?
# HACK Remove me and do something smarter
roam.qgisfunctions.capturegeometry = feature.geometry()
defaultwidgets = self.widgetswithdefaults()
defaultvalues = defaults.default_values(defaultwidgets, feature, self.QGISLayer)
return defaultvalues
def setformpreview(form):
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
featureform = FeatureForm.from_form(form, form.settings, None, {})
from roam import defaults
defaultwidgets = form.widgetswithdefaults()
layer = form.QGISLayer
try:
values = {}
feature = layer.getFeatures().next()
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
values.update(defaultvalues)
featureform.bindvalues(values)
except StopIteration:
pass
self.frame_2.layout().addWidget(featureform)
def setformpreview(form):
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
featureform = FeatureForm.from_form(form, form.settings, None, {})
from roam import defaults
defaultwidgets = form.widgetswithdefaults()
layer = form.QGISLayer
try:
values = {}
feature = layer.getFeatures().next()
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
values.update(defaultvalues)
featureform.bindvalues(values)
except StopIteration:
pass
self.frame_2.layout().addWidget(featureform)
def generate_form_preview(self):
"""
Create the form preview to show to the user.
"""
form = self.form.copy()
form.settings['widgets'] = list(self.widgetmodel.widgets())
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
featureform = FeatureForm.from_form(form, form.settings, None, {})
from roam import defaults
defaultwidgets = form.widgetswithdefaults()
layer = form.QGISLayer
try:
values = {}
feature = layer.getFeatures().next()
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
values.update(defaultvalues)
featureform.bindvalues(values)
except StopIteration:
pass
self.frame_2.layout().addWidget(featureform)
def openform(self, form, feature, project, editmode):
"""
Opens a form for the given feature.
"""
roam.qgisfunctions.capturegeometry = feature.geometry()
defaultvalues = {}
layer = form.QGISLayer
if not editmode:
defaultwidgets = form.widgetswithdefaults()
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
defaultvalues.update(featureform.loadsavedvalues(layer))
self.actionDelete.setVisible(editmode)
for field, value in defaultvalues.iteritems():
feature[field] = value
self.formvalidation(passed=True)
self.feature = feature
# Hold a reference to the fields because QGIS will let the
# go out of scope and we get crashes. Yay!
self.fields = self.feature.fields()
self.featureform = form.create_featureform(feature, defaultvalues, canvas=self.canvas)
self.featureform.editingmode = editmode
self.featureform.rejected.connect(self.formrejected)
self.featureform.enablesave.connect(self.actionSave.setEnabled)
# Call the pre loading events for the form
layers = QgsMapLayerRegistry.instance().mapLayers()
self.project = project
fields = [field.name().lower() for field in self.fields]
attributes = feature.attributes()
if layer.dataProvider().name() == 'spatialite':
pkindexes = layer.dataProvider().pkAttributeIndexes()
for index in pkindexes:
del fields[index]
del attributes[index]
values = CaseInsensitiveDict(zip(fields, attributes))
try:
self.featureform.load(feature, layers, values)
except featureform.RejectedException as rejected:
self.formrejected(rejected.message, rejected.level)
return
self.featureform.formvalidation.connect(self.formvalidation)
self.featureform.helprequest.connect(self.helprequest.emit)
self.featureform.bindvalues(values)
self.featureform.showlargewidget.connect(self.setlargewidget)
self.actionSave.setVisible(True)
self.setwidget(self.featureform)
self.featureform.loaded()
RoamEvents.featureformloaded.emit(form, feature, project, editmode)
def openform(self, form, feature, project, editmode):
"""
Opens a form for the given feature.
"""
roam.qgisfunctions.capturegeometry = feature.geometry()
defaultvalues = {}
layer = form.QGISLayer
if not editmode:
defaultwidgets = form.widgetswithdefaults()
defaultvalues = defaults.default_values(defaultwidgets, feature,
layer)
defaultvalues.update(featureform.loadsavedvalues(layer))
self.actionDelete.setVisible(editmode)
for field, value in defaultvalues.iteritems():
feature[field] = value
self.formvalidation(passed=True)
self.feature = feature
# Hold a reference to the fields because QGIS will let the
# go out of scope and we get crashes. Yay!
self.fields = self.feature.fields()
self.featureform = form.create_featureform(feature,
defaultvalues,
canvas=self.canvas)
self.featureform.editingmode = editmode
self.featureform.rejected.connect(self.formrejected)
self.featureform.enablesave.connect(self.actionSave.setEnabled)
# Call the pre loading events for the form
layers = QgsMapLayerRegistry.instance().mapLayers()
self.project = project
fields = [field.name().lower() for field in self.fields]
attributes = feature.attributes()
if layer.dataProvider().name() == 'spatialite':
pkindexes = layer.dataProvider().pkAttributeIndexes()
for index in pkindexes:
del fields[index]
del attributes[index]
values = CaseInsensitiveDict(zip(fields, attributes))
try:
self.featureform.load(feature, layers, values)
except featureform.RejectedException as rejected:
self.formrejected(rejected.message, rejected.level)
return
self.featureform.formvalidation.connect(self.formvalidation)
self.featureform.helprequest.connect(self.helprequest.emit)
self.featureform.bindvalues(values)
self.featureform.showlargewidget.connect(self.setlargewidget)
self.actionSave.setVisible(True)
self.setwidget(self.featureform)
self.featureform.loaded()
RoamEvents.featureformloaded.emit(form, feature, project, editmode)