class DialogWithImage(QDialog):
def __init__(self):
QDialog.__init__(self)
self.main_widget = QWidget(self)
self.main_widget.setMinimumSize(QSize(100, 100))
self.label = QLabel()
self.buttonBox = QDialogButtonBox(self.main_widget)
self.buttonBox.setStandardButtons(QDialogButtonBox.Ok)
self.buttonBox.accepted.connect(self.Apply)
# Access the layout of the MessageBox to add the checkbox
self.container = QVBoxLayout(self.main_widget)
self.container.addWidget(self.label)
self.container.addWidget(self.buttonBox)
self.container.setAlignment(Qt.AlignCenter)
self.container.setSizeConstraint(QLayout.SetFixedSize)
self.setLayout(self.container)
def Apply(self):
self.close()
class DialogWithImage(QDialog):
def __init__(self, interface):
QDialog.__init__(self, interface.mainWindow())
self.iface = interface
self.main_widget = QWidget(self)
self.main_widget.setMinimumSize(QSize(100, 100))
self.label = QLabel()
self.buttonBox = QDialogButtonBox(self.main_widget)
self.buttonBox.setStandardButtons(QDialogButtonBox.Ok)
self.buttonBox.accepted.connect(self.Apply)
# Access the layout of the MessageBox to add the checkbox
self.container = QVBoxLayout(self.main_widget)
self.container.addWidget(self.label)
self.container.addWidget(self.buttonBox)
self.container.setAlignment(Qt.AlignCenter)
self.container.setSizeConstraint(QLayout.SetFixedSize)
self.setLayout(self.container)
def Apply(self):
self.close()
def getWidgetFromParameter(self, param):
# TODO Create Parameter widget class that holds the logic
# for creating a widget that belongs to the parameter.
if isinstance(param, ParameterRaster):
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterVector):
if self.somethingDependsOnThisParameter(param) or self.alg.allowOnlyOpenedLayers:
item = QComboBox()
layers = dataobjects.getVectorLayers(param.shapetype)
layers.sort(key=lambda lay: lay.name())
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.getExtendedLayerName(layer), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getVectorLayers(param.shapetype)
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
# if already set, put first in list
for i, (name, layer) in enumerate(items):
if layer and layer.source() == param.value:
items.insert(0, items.pop(i))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterTable):
if self.somethingDependsOnThisParameter(param):
item = QComboBox()
layers = dataobjects.getTables()
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(layer.name(), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getTables()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((layer.name(), layer))
# if already set, put first in list
for i, (name, layer) in enumerate(items):
if layer and layer.source() == param.value:
items.insert(0, items.pop(i))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterBoolean):
item = QCheckBox()
if param.default:
item.setChecked(True)
else:
item.setChecked(False)
elif isinstance(param, ParameterTableField) or isinstance(param, ParameterTableMultipleField):
if isinstance(param, ParameterTableMultipleField):
item = ListMultiSelectWidget()
else:
item = QComboBox()
if param.parent in self.dependentItems:
items = self.dependentItems[param.parent]
else:
items = []
self.dependentItems[param.parent] = items
items.append(param)
parent = self.alg.getParameterFromName(param.parent)
if isinstance(parent, ParameterVector):
layers = dataobjects.getVectorLayers(parent.shapetype)
else:
layers = dataobjects.getTables()
if len(layers) > 0:
if param.optional and isinstance(param, ParameterTableField):
item.addItem(self.tr('[not set]'))
item.addItems(self.getFields(layers[0], param.datatype))
elif isinstance(param, ParameterSelection):
item = QComboBox()
item.addItems(param.options)
if param.default:
item.setCurrentIndex(param.default)
elif isinstance(param, ParameterFixedTable):
item = FixedTablePanel(param)
elif isinstance(param, ParameterRange):
item = RangePanel(param)
elif isinstance(param, ParameterFile):
item = FileSelectionPanel(param.isFolder, param.ext)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_FILE:
item = MultipleInputPanel(datatype=ParameterMultipleInput.TYPE_FILE)
else:
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([param.datatype], sorting=False)
opts = [self.getExtendedLayerName(opt) for opt in options]
item = MultipleInputPanel(opts)
elif isinstance(param, ParameterNumber):
item = NumberInputPanel(param.default, param.min, param.max,
param.isInteger)
elif isinstance(param, ParameterExtent):
item = ExtentSelectionPanel(self.parent, self.alg, param.default)
elif isinstance(param, ParameterPoint):
item = PointSelectionPanel(self.parent, param.default)
elif isinstance(param, ParameterCrs):
item = CrsSelectionPanel(param.default)
elif isinstance(param, ParameterString):
if param.multiline:
verticalLayout = QVBoxLayout()
verticalLayout.setSizeConstraint(
QLayout.SetDefaultConstraint)
textEdit = QPlainTextEdit()
if param.default:
textEdit.setPlainText(param.default)
verticalLayout.addWidget(textEdit)
item = textEdit
else:
item = QLineEdit()
if param.default:
item.setText(unicode(param.default))
elif isinstance(param, ParameterGeometryPredicate):
item = GeometryPredicateSelectionPanel(param.enabledPredicates)
if param.left:
widget = self.valueItems[param.left]
if isinstance(widget, InputLayerSelectorPanel):
widget = widget.cmbText
widget.currentIndexChanged.connect(item.onLeftLayerChange)
item.leftLayer = widget.itemData(widget.currentIndex())
if param.right:
widget = self.valueItems[param.right]
if isinstance(widget, InputLayerSelectorPanel):
widget = widget.cmbText
widget.currentIndexChanged.connect(item.onRightLayerChange)
item.rightLayer = widget.itemData(widget.currentIndex())
item.updatePredicates()
if param.default:
item.setValue(param.default)
else:
item = QLineEdit()
if param.default:
item.setText(unicode(param.default))
return item
class FieldMappingTab(QWidget, object):
"""Widget class for field mapping."""
def __init__(self, field_group=None, parent=None, iface=None):
"""Constructor."""
# Init from parent class
QWidget.__init__(self, parent)
# Attributes
self.layer = None
self.metadata = {}
self.parent = parent
self.iface = iface
self.field_group = field_group
self.setting = QSettings() # TODO(IS): Make dynamic
# Main container
self.main_layout = QVBoxLayout()
# Inner layout
self.header_layout = QHBoxLayout()
self.content_layout = QHBoxLayout()
self.footer_layout = QHBoxLayout()
# Header
self.header_label = QLabel()
self.header_label.setWordWrap(True)
# Content
self.field_layout = QVBoxLayout()
self.parameter_layout = QHBoxLayout()
self.field_description = QLabel(tr('List of fields'))
self.field_list = QListWidget()
self.field_list.setSelectionMode(QAbstractItemView.ExtendedSelection)
self.field_list.setDragDropMode(QAbstractItemView.DragDrop)
self.field_list.setDefaultDropAction(Qt.MoveAction)
self.field_list.setSizePolicy(QSizePolicy.Maximum,
QSizePolicy.Expanding)
# noinspection PyUnresolvedReferences
self.field_list.itemSelectionChanged.connect(self.update_footer)
# Footer
self.footer_label = QLabel()
self.footer_label.setWordWrap(True)
# Parameters
self.extra_parameters = [(GroupSelectParameter,
GroupSelectParameterWidget)]
self.parameters = []
self.parameter_container = None
# Adding to layout
self.header_layout.addWidget(self.header_label)
self.field_layout.addWidget(self.field_description)
self.field_layout.addWidget(self.field_list)
self.field_layout.setSizeConstraint(QLayout.SetMaximumSize)
self.content_layout.addLayout(self.field_layout)
self.content_layout.addLayout(self.parameter_layout)
self.footer_layout.addWidget(self.footer_label)
self.main_layout.addLayout(self.header_layout)
self.main_layout.addLayout(self.content_layout)
self.main_layout.addLayout(self.footer_layout)
self.setLayout(self.main_layout)
def set_layer(self, layer, keywords=None):
"""Set layer and update UI accordingly.
:param layer: A vector layer that has been already patched with
metadata.
:type layer: QgsVectorLayer
:param keywords: Custom keyword for the layer.
:type keywords: dict, None
"""
self.layer = layer
if keywords is not None:
self.metadata = keywords
else:
# Check if it has keywords
if not hasattr(layer, 'keywords'):
message = 'Layer {layer_name} does not have keywords.'.format(
layer_name=layer.name())
raise KeywordNotFoundError(message)
self.metadata = layer.keywords
self.populate_parameter()
def populate_field_list(self, excluded_fields=None):
"""Helper to add field of the layer to the list.
:param excluded_fields: List of field that want to be excluded.
:type excluded_fields: list
"""
# Populate fields list
if excluded_fields is None:
excluded_fields = []
self.field_list.clear()
for field in self.layer.fields():
# Skip if it's excluded
if field.name() in excluded_fields:
continue
# Skip if it's not number (float, int, etc)
if field.type() not in qvariant_numbers:
continue
field_item = QListWidgetItem(self.field_list)
field_item.setFlags(Qt.ItemIsEnabled
| Qt.ItemIsSelectable
| Qt.ItemIsDragEnabled)
field_item.setData(Qt.UserRole, field.name())
field_item.setText(field.name())
self.field_list.addItem(field_item)
def populate_parameter(self):
"""Helper to setup the parameter widget."""
used_fields = []
self.parameters = []
for field in self.field_group.get('fields', []):
selected_option = DO_NOT_REPORT
options = OrderedDict([
(DO_NOT_REPORT, {
'label': tr('Do not report'),
'value': None,
'type': STATIC,
'constraint': {}
}),
])
# Example: count
if field['absolute']:
# Used in field options
field_label = tr('Count fields')
else: # Example: ratio
# Used in field options
field_label = tr('Ratio fields')
global_default_value = get_inasafe_default_value_qsetting(
self.setting, GLOBAL, field['key'])
options[GLOBAL_DEFAULT] = {
'label': tr('Global default'),
'value': global_default_value,
'type': STATIC,
'constraint': {}
}
default_custom_value = get_inasafe_default_value_qsetting(
self.setting, RECENT, field['key'])
custom_value = self.metadata.get('inasafe_default_values',
{}).get(
field['key'],
default_custom_value)
if field['key'] in self.metadata.get('inasafe_default_values',
{}):
if custom_value == global_default_value:
selected_option = GLOBAL_DEFAULT
else:
selected_option = CUSTOM_VALUE
min_value = field['default_value'].get('min_value', 0)
max_value = field['default_value'].get('max_value', 100)
default_step = (max_value - min_value) / 100.0
step = field['default_value'].get('increment', default_step)
options[CUSTOM_VALUE] = {
'label': tr('Custom'),
'value': custom_value,
'type': SINGLE_DYNAMIC,
'constraint': {
'min': min_value,
'max': max_value,
'step': step
}
}
custom_fields = self.metadata.get('inasafe_fields',
{}).get(field['key'], [])
if field['key'] in self.metadata.get('inasafe_fields', {}):
selected_option = FIELDS
if isinstance(custom_fields, str):
custom_fields = [custom_fields]
options[FIELDS] = {
'label': field_label,
'value': custom_fields,
'type': MULTIPLE_DYNAMIC,
'constraint': {}
}
used_fields.extend(custom_fields)
parameter = GroupSelectParameter()
parameter.guid = field['key']
parameter.name = field['name']
parameter.options = options
parameter.selected = selected_option
parameter.help_text = field['help_text']
parameter.description = field['description']
self.parameters.append(parameter)
self.parameter_container = ParameterContainer(
parameters=self.parameters,
extra_parameters=self.extra_parameters,
vertical=False)
self.parameter_container.setup_ui()
constraints = self.field_group.get('constraints', {})
for key, value in list(constraints.items()):
self.parameter_container.add_validator(
validators[key],
kwargs=value['kwargs'],
validation_message=value['message'])
self.parameter_layout.addWidget(self.parameter_container)
default_ratio_help_text = tr(
'By default, InaSAFE will calculate the default ratio '
'however users have the option to include this in the '
'analysis report. If you do not want to see the default '
'results in the report choose "do not report".')
# Set move or copy
if self.field_group.get('exclusive', False):
# If exclusive, do not add used field.
self.populate_field_list(excluded_fields=used_fields)
# Use move action since it's exclusive
self.field_list.setDefaultDropAction(Qt.MoveAction)
# Just make sure that the signal is disconnected
try:
# noinspection PyUnresolvedReferences
self.field_list.itemChanged.disconnect(self.drop_remove)
except TypeError:
pass
# Set header
header_text = self.field_group['description']
header_text += '\n\n' + default_ratio_help_text
header_text += '\n\n' + tr(
'You can only map one field to one concept.')
else:
# If not exclusive, add all field.
self.populate_field_list()
# Use copy action since it's not exclusive
self.field_list.setDefaultDropAction(Qt.CopyAction)
# noinspection PyUnresolvedReferences
self.field_list.itemChanged.connect(
partial(self.drop_remove, field_list=self.field_list))
self.connect_drop_remove_parameter()
# Set header
header_text = self.field_group['description']
header_text += '\n\n' + default_ratio_help_text
header_text += '\n\n' + tr(
'You can map one field to more than one concepts.')
self.header_label.setText(header_text)
def get_parameter_value(self):
"""Get parameter of the tab.
:returns: Dictionary of parameters by type in this format:
{'fields': {}, 'values': {}}.
:rtype: dict
"""
parameters = self.parameter_container.get_parameters(True)
field_parameters = {}
value_parameters = {}
for parameter in parameters:
if parameter.selected_option_type() in [SINGLE_DYNAMIC, STATIC]:
value_parameters[parameter.guid] = parameter.value
elif parameter.selected_option_type() == MULTIPLE_DYNAMIC:
field_parameters[parameter.guid] = parameter.value
return {'fields': field_parameters, 'values': value_parameters}
def update_footer(self):
"""Update footer when the field list change."""
field_item = self.field_list.currentItem()
if not field_item:
self.footer_label.setText('')
return
field_name = field_item.data(Qt.UserRole)
field = self.layer.fields().field(field_name)
index = self.layer.fields().lookupField(field_name)
unique_values = list(self.layer.uniqueValues(index))
pretty_unique_values = ', '.join([str(v) for v in unique_values[:10]])
footer_text = tr('Field type: {0}\n').format(field.typeName())
footer_text += tr('Unique values: {0}').format(pretty_unique_values)
self.footer_label.setText(footer_text)
def connect_drop_remove_parameter(self):
parameter_widgets = self.parameter_container.get_parameter_widgets()
for parameter_widget in parameter_widgets:
field_list = parameter_widget.widget().list_widget
field_list.itemChanged.connect(
partial(self.drop_remove, field_list=field_list))
@staticmethod
def drop_remove(*args, **kwargs):
"""Action when we need to remove dropped item.
:param *args: Position arguments.
:type *args: list
:param kwargs: Keywords arguments.
:type kwargs: dict
"""
dropped_item = args[0]
field_list = kwargs['field_list']
num_duplicate = 0
for i in range(field_list.count()):
if dropped_item.text() == field_list.item(i).text():
num_duplicate += 1
if num_duplicate > 1:
# Notes(IS): For some reason, removeItemWidget is not working.
field_list.takeItem(field_list.row(dropped_item))
class ProgressDialog(QDialog):
""" Progress dialog shows progress bar for algorithm.
"""
def __init__(self, iface):
QDialog.__init__(self, iface.mainWindow())
self.workerThread = None
self.state = False
self.outputLoc = None
self.resultStatus = None
self.reRun = False
self.savedProj = None
# Build GUI Elements
self.setWindowTitle("SEILAPLAN wird ausgeführt")
self.resize(500, 100)
self.container = QVBoxLayout()
self.progressBar = QProgressBar(self)
self.progressBar.setMinimumWidth(500)
self.statusLabel = QLabel(self)
self.hbox = QHBoxLayout()
self.cancelButton = QDialogButtonBox()
self.closeButton = QDialogButtonBox()
self.resultLabel = ClickLabel(self)
self.resultLabel.setMaximumWidth(500)
self.resultLabel.setSizePolicy(
QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding))
self.resultLabel.setWordWrap(True)
self.rerunButton = QPushButton("Berechnungen wiederholen")
self.rerunButton.setVisible(False)
spacer = QSpacerItem(40, 20, QSizePolicy.Expanding,
QSizePolicy.Minimum)
self.cancelButton.setStandardButtons(QDialogButtonBox.Cancel)
self.cancelButton.clicked.connect(self.onAbort)
self.closeButton.setStandardButtons(QDialogButtonBox.Close)
self.closeButton.clicked.connect(self.onClose)
self.hbox.addWidget(self.rerunButton)
self.hbox.addItem(spacer)
self.hbox.addWidget(self.cancelButton)
self.hbox.setAlignment(self.cancelButton, Qt.AlignHCenter)
self.hbox.addWidget(self.closeButton)
self.hbox.setAlignment(self.closeButton, Qt.AlignHCenter)
self.closeButton.hide()
self.container.addWidget(self.progressBar)
self.container.addWidget(self.statusLabel)
self.container.addWidget(self.resultLabel)
self.container.addLayout(self.hbox)
self.container.setSizeConstraint(QLayout.SetFixedSize)
self.setLayout(self.container)
def setThread(self, workerThread):
self.workerThread = workerThread
self.connectProgressSignals()
def connectProgressSignals(self):
# Connet signals of thread
self.workerThread.sig_jobEnded.connect(self.jobEnded)
self.workerThread.sig_jobError.connect(self.onError)
self.workerThread.sig_value.connect(self.valueFromThread)
self.workerThread.sig_range.connect(self.rangeFromThread)
self.workerThread.sig_text.connect(self.textFromThread)
self.workerThread.sig_result.connect(self.resultFromThread)
self.rerunButton.clicked.connect(self.onRerun)
def run(self):
# Show modal dialog window (QGIS is still responsive)
self.show()
# start event loop
self.exec_()
def jobEnded(self, success):
self.setWindowTitle("SEILAPLAN")
if success:
self.statusLabel.setText("Berechnungen abgeschlossen.")
self.progressBar.setValue(self.progressBar.maximum())
self.setFinalMessage()
else: # If there was an abort by the user
self.statusLabel.setText("Berechnungen abgebrochen.")
self.progressBar.setValue(self.progressBar.minimum())
self.finallyDo()
self.rerunButton.setVisible(True)
def valueFromThread(self, value):
self.progressBar.setValue(value)
def rangeFromThread(self, range_vals):
self.progressBar.setRange(range_vals[0], range_vals[1])
def maxFromThread(self, max):
self.progressBar.setValue(self.progressBar.maximum())
def textFromThread(self, value):
self.statusLabel.setText(value)
def resultFromThread(self, result):
[self.outputLoc, self.resultStatus] = result
def setFinalMessage(self):
self.resultLabel.clicked.connect(self.onResultClicked)
self.resultLabel.blockSignals(True)
linkToFolder = ('<html><head/><body><p></p><p><a href='
'"file:////{0}"><span style="text-decoration: '
'underline; color:#0000ff;">{0}</span></a></p>'
'</body></html>'.format(self.outputLoc))
# Optimization successful
if self.resultStatus == 1:
self.resultLabel.setText(textOK + linkToFolder)
self.resultLabel.blockSignals(False)
# Cable takes off of support
elif self.resultStatus == 2:
self.resultLabel.setText(textSeil + linkToFolder)
self.resultLabel.blockSignals(False)
# Optimization partially successful
elif self.resultStatus == 3:
self.resultLabel.setText(textHalf + linkToFolder)
self.resultLabel.blockSignals(False)
# Optimization not successful
elif self.resultStatus == 4:
self.resultLabel.setText(textBad)
self.setLayout(self.container)
def onResultClicked(self):
# Open a folder window
if sys.platform == 'darwin': # MAC
subprocess.call(["open", "-R", self.outputLoc])
elif sys.platform.startswith('linux'): # LINUX
subprocess.Popen(["xdg-open", self.outputLoc])
elif 'win32' in sys.platform: # WINDOWS
from subprocess import CalledProcessError
try:
subprocess.check_call(['explorer', self.outputLoc])
except CalledProcessError:
pass
def onAbort(self):
self.setWindowTitle("SEILAPLAN")
self.statusLabel.setText("Laufender Prozess wird abgebrochen...")
self.workerThread.cancel() # Terminates process cleanly
def onError(self, exception_string):
self.setWindowTitle("SEILAPLAN: Berechnung fehlgeschlagen")
self.statusLabel.setText("Ein Fehler ist aufgetreten:")
self.resultLabel.setText(exception_string)
self.progressBar.setValue(self.progressBar.minimum())
self.finallyDo()
def onRerun(self):
self.reRun = True
self.onClose()
def finallyDo(self):
self.cancelButton.hide()
self.closeButton.show()
def onClose(self):
self.close()
def getWidgetFromParameter(self, param):
# TODO Create Parameter widget class that holds the logic
# for creating a widget that belongs to the parameter.
if isinstance(param, ParameterRaster):
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterVector):
if self.somethingDependsOnThisParameter(param) or self.alg.allowOnlyOpenedLayers:
item = QComboBox()
layers = dataobjects.getVectorLayers(param.datatype)
layers.sort(key=lambda lay: lay.name())
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.getExtendedLayerName(layer), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getVectorLayers(param.datatype)
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
# if already set, put first in list
for i, (name, layer) in enumerate(items):
if layer and layer.source() == param.value:
items.insert(0, items.pop(i))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterTable):
if self.somethingDependsOnThisParameter(param):
item = QComboBox()
layers = dataobjects.getTables()
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(layer.name(), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getTables()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((layer.name(), layer))
# if already set, put first in list
for i, (name, layer) in enumerate(items):
if layer and layer.source() == param.value:
items.insert(0, items.pop(i))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterBoolean):
item = QCheckBox()
if param.default:
item.setChecked(True)
else:
item.setChecked(False)
elif isinstance(param, ParameterTableField) or isinstance(param, ParameterTableMultipleField):
if isinstance(param, ParameterTableMultipleField):
item = ListMultiSelectWidget()
else:
item = QComboBox()
if param.parent in self.dependentItems:
items = self.dependentItems[param.parent]
else:
items = []
self.dependentItems[param.parent] = items
items.append(param)
parent = self.alg.getParameterFromName(param.parent)
if isinstance(parent, ParameterVector):
layers = dataobjects.getVectorLayers(parent.datatype)
else:
layers = dataobjects.getTables()
if len(layers) > 0:
if param.optional and isinstance(param, ParameterTableField):
item.addItem(self.tr('[not set]'))
item.addItems(self.getFields(layers[0], param.datatype))
elif isinstance(param, ParameterSelection):
item = QComboBox()
item.addItems(param.options)
if param.default:
item.setCurrentIndex(param.default)
elif isinstance(param, ParameterFixedTable):
item = FixedTablePanel(param)
elif isinstance(param, ParameterRange):
item = RangePanel(param)
elif isinstance(param, ParameterFile):
item = FileSelectionPanel(param.isFolder, param.ext)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == dataobjects.TYPE_FILE:
item = MultipleInputPanel(datatype=dataobjects.TYPE_FILE)
else:
if param.datatype == dataobjects.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif param.datatype == dataobjects.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([param.datatype], sorting=False)
opts = [self.getExtendedLayerName(opt) for opt in options]
item = MultipleInputPanel(opts)
elif isinstance(param, ParameterNumber):
item = NumberInputPanel(param.default, param.min, param.max,
param.isInteger)
elif isinstance(param, ParameterExtent):
item = ExtentSelectionPanel(self.parent, self.alg, param.default)
elif isinstance(param, ParameterPoint):
item = PointSelectionPanel(self.parent, param.default)
elif isinstance(param, ParameterCrs):
item = CrsSelectionPanel(param.default)
elif isinstance(param, ParameterString):
if param.multiline:
verticalLayout = QVBoxLayout()
verticalLayout.setSizeConstraint(
QLayout.SetDefaultConstraint)
textEdit = QPlainTextEdit()
if param.default:
textEdit.setPlainText(param.default)
verticalLayout.addWidget(textEdit)
item = textEdit
else:
item = QLineEdit()
if param.default:
item.setText(unicode(param.default))
elif isinstance(param, ParameterGeometryPredicate):
item = GeometryPredicateSelectionPanel(param.enabledPredicates)
if param.left:
widget = self.valueItems[param.left]
if isinstance(widget, InputLayerSelectorPanel):
widget = widget.cmbText
widget.currentIndexChanged.connect(item.onLeftLayerChange)
item.leftLayer = widget.itemData(widget.currentIndex())
if param.right:
widget = self.valueItems[param.right]
if isinstance(widget, InputLayerSelectorPanel):
widget = widget.cmbText
widget.currentIndexChanged.connect(item.onRightLayerChange)
item.rightLayer = widget.itemData(widget.currentIndex())
item.updatePredicates()
if param.default:
item.setValue(param.default)
else:
item = QLineEdit()
if param.default:
item.setText(unicode(param.default))
return item
class ProgressDialog(QDialog):
""" Progress dialog shows progress bar for algorithm.
"""
def __init__(self, iface):
QDialog.__init__(self, iface.mainWindow())
self.workerThread = None
self.state = False
self.resultStatus = None
self.doReRun = False
self.wasCanceled = False
self.wasSuccessful = False
self.savedProj = None
self.result = None
self.messageTxt = {
'msg_optimierung': self.tr('Berechnung der optimalen Stuetzenpositionen...'),
'msg_seillinie': self.tr('Berechnung der optimale Seillinie...')
}
# Build GUI Elements
self.setWindowTitle(self.tr("SEILAPLAN wird ausgefuehrt"))
self.resize(500, 100)
self.container = QVBoxLayout()
self.progressBar = QProgressBar(self)
self.progressBar.setMinimumWidth(500)
self.statusLabel = QLabel(self)
self.hbox = QHBoxLayout()
self.cancelButton = QDialogButtonBox()
self.closeButton = QDialogButtonBox()
self.resultLabel = QLabel(self)
self.resultLabel.setMaximumWidth(500)
self.resultLabel.setSizePolicy(
QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding))
self.resultLabel.setWordWrap(True)
spacer1 = QSpacerItem(20, 20, QSizePolicy.Fixed,
QSizePolicy.Fixed)
self.rerunButton = QPushButton(self.tr("zurueck zum Startfenster"))
self.rerunButton.setVisible(False)
spacer2 = QSpacerItem(40, 20, QSizePolicy.Expanding,
QSizePolicy.Minimum)
self.cancelButton.setStandardButtons(QDialogButtonBox.Cancel)
self.cancelButton.button(QDialogButtonBox.Cancel).setText(self.tr("Abbrechen"))
self.cancelButton.clicked.connect(self.onAbort)
self.closeButton.setStandardButtons(QDialogButtonBox.Close)
self.closeButton.button(QDialogButtonBox.Close).setText(self.tr("Schliessen"))
self.closeButton.clicked.connect(self.onClose)
self.hbox.addWidget(self.rerunButton)
self.hbox.addItem(spacer2)
self.hbox.addWidget(self.cancelButton)
self.hbox.setAlignment(self.cancelButton, Qt.AlignHCenter)
self.hbox.addWidget(self.closeButton)
self.hbox.setAlignment(self.closeButton, Qt.AlignHCenter)
self.closeButton.hide()
self.container.addWidget(self.progressBar)
self.container.addWidget(self.statusLabel)
self.container.addWidget(self.resultLabel)
self.container.addItem(spacer1)
self.container.addLayout(self.hbox)
self.container.setSizeConstraint(QLayout.SetFixedSize)
self.setLayout(self.container)
# noinspection PyMethodMayBeStatic
def tr(self, message, **kwargs):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
Parameters
----------
**kwargs
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate(type(self).__name__, message)
def setThread(self, workerThread):
self.workerThread = workerThread
self.connectThreadSignals()
def connectThreadSignals(self):
# Connect signals of thread
self.workerThread.sig_jobEnded.connect(self.jobEnded)
self.workerThread.sig_jobError.connect(self.onError)
self.workerThread.sig_value.connect(self.valueFromThread)
self.workerThread.sig_range.connect(self.rangeFromThread)
self.workerThread.sig_text.connect(self.textFromThread)
self.workerThread.sig_result.connect(self.resultFromThread)
self.rerunButton.clicked.connect(self.onRerun)
def run(self):
# Show modal dialog window (QGIS is still responsive)
self.show()
# start event loop
self.exec()
def jobEnded(self, success):
self.setWindowTitle("SEILAPLAN")
if success:
self.progressBar.setValue(self.progressBar.maximum())
self.wasSuccessful = True
# Close progress dialog so that adjustment window can be opened
self.close()
else: # If there was an abort by the user
self.statusLabel.setText(self.tr("Berechnungen abgebrochen."))
self.progressBar.setValue(self.progressBar.minimum())
self.finallyDo()
def valueFromThread(self, value):
self.progressBar.setValue(int(value))
def rangeFromThread(self, range_vals):
self.progressBar.setRange(int(round(range_vals[0])), int(round(range_vals[1])))
def maxFromThread(self, max):
self.progressBar.setValue(self.progressBar.maximum())
def textFromThread(self, message):
self.statusLabel.setText(self.messageTxt[message])
def resultFromThread(self, resultStatus):
self.resultStatus = resultStatus
# resultStatus:
# 1 = Optimization successful
# 2 = Cable takes off from support
# 3 = Optimization partially successful
def onAbort(self):
self.setWindowTitle('SEILAPLAN')
self.statusLabel.setText(self.tr(
'Laufender Prozess wird abgebrochen...'))
self.workerThread.cancel() # Terminates process cleanly
self.wasCanceled = True
def onError(self, exception_string):
self.setWindowTitle(self.tr('SEILAPLAN: Berechnung fehlgeschlagen'))
self.statusLabel.setText(self.tr('Ein Fehler ist aufgetreten:'))
self.resultLabel.setText(self.tr(exception_string))
self.resultLabel.setHidden(False)
self.progressBar.setValue(self.progressBar.minimum())
self.setLayout(self.container)
self.finallyDo()
def onRerun(self):
self.doReRun = True
self.onClose()
def finallyDo(self):
self.rerunButton.setVisible(True)
self.cancelButton.hide()
self.closeButton.show()
def onClose(self):
self.close()
class FieldMappingTab(QWidget, object):
"""Widget class for field mapping."""
def __init__(self, field_group=None, parent=None, iface=None):
"""Constructor."""
# Init from parent class
QWidget.__init__(self, parent)
# Attributes
self.layer = None
self.metadata = {}
self.parent = parent
self.iface = iface
self.field_group = field_group
self.setting = QSettings() # TODO(IS): Make dynamic
# Main container
self.main_layout = QVBoxLayout()
# Inner layout
self.header_layout = QHBoxLayout()
self.content_layout = QHBoxLayout()
self.footer_layout = QHBoxLayout()
# Header
self.header_label = QLabel()
self.header_label.setWordWrap(True)
# Content
self.field_layout = QVBoxLayout()
self.parameter_layout = QHBoxLayout()
self.field_description = QLabel(tr('List of fields'))
self.field_list = QListWidget()
self.field_list.setSelectionMode(QAbstractItemView.ExtendedSelection)
self.field_list.setDragDropMode(QAbstractItemView.DragDrop)
self.field_list.setDefaultDropAction(Qt.MoveAction)
self.field_list.setSizePolicy(
QSizePolicy.Maximum, QSizePolicy.Expanding)
# noinspection PyUnresolvedReferences
self.field_list.itemSelectionChanged.connect(self.update_footer)
# Footer
self.footer_label = QLabel()
self.footer_label.setWordWrap(True)
# Parameters
self.extra_parameters = [
(GroupSelectParameter, GroupSelectParameterWidget)
]
self.parameters = []
self.parameter_container = None
# Adding to layout
self.header_layout.addWidget(self.header_label)
self.field_layout.addWidget(self.field_description)
self.field_layout.addWidget(self.field_list)
self.field_layout.setSizeConstraint(QLayout.SetMaximumSize)
self.content_layout.addLayout(self.field_layout)
self.content_layout.addLayout(self.parameter_layout)
self.footer_layout.addWidget(self.footer_label)
self.main_layout.addLayout(self.header_layout)
self.main_layout.addLayout(self.content_layout)
self.main_layout.addLayout(self.footer_layout)
self.setLayout(self.main_layout)
def set_layer(self, layer, keywords=None):
"""Set layer and update UI accordingly.
:param layer: A vector layer that has been already patched with
metadata.
:type layer: QgsVectorLayer
:param keywords: Custom keyword for the layer.
:type keywords: dict, None
"""
self.layer = layer
if keywords is not None:
self.metadata = keywords
else:
# Check if it has keywords
if not hasattr(layer, 'keywords'):
message = 'Layer {layer_name} does not have keywords.'.format(
layer_name=layer.name())
raise KeywordNotFoundError(message)
self.metadata = layer.keywords
self.populate_parameter()
def populate_field_list(self, excluded_fields=None):
"""Helper to add field of the layer to the list.
:param excluded_fields: List of field that want to be excluded.
:type excluded_fields: list
"""
# Populate fields list
if excluded_fields is None:
excluded_fields = []
self.field_list.clear()
for field in self.layer.fields():
# Skip if it's excluded
if field.name() in excluded_fields:
continue
# Skip if it's not number (float, int, etc)
if field.type() not in qvariant_numbers:
continue
field_item = QListWidgetItem(self.field_list)
field_item.setFlags(
Qt.ItemIsEnabled
| Qt.ItemIsSelectable
| Qt.ItemIsDragEnabled)
field_item.setData(Qt.UserRole, field.name())
field_item.setText(field.name())
self.field_list.addItem(field_item)
def populate_parameter(self):
"""Helper to setup the parameter widget."""
used_fields = []
self.parameters = []
for field in self.field_group.get('fields', []):
selected_option = DO_NOT_REPORT
options = OrderedDict([
(DO_NOT_REPORT,
{
'label': tr('Do not report'),
'value': None,
'type': STATIC,
'constraint': {}
}),
])
# Example: count
if field['absolute']:
# Used in field options
field_label = tr('Count fields')
else: # Example: ratio
# Used in field options
field_label = tr('Ratio fields')
global_default_value = get_inasafe_default_value_qsetting(
self.setting, GLOBAL, field['key'])
options[GLOBAL_DEFAULT] = {
'label': tr('Global default'),
'value': global_default_value,
'type': STATIC,
'constraint': {}
}
default_custom_value = get_inasafe_default_value_qsetting(
self.setting, RECENT, field['key'])
custom_value = self.metadata.get(
'inasafe_default_values', {}).get(
field['key'], default_custom_value)
if field['key'] in self.metadata.get(
'inasafe_default_values', {}):
if custom_value == global_default_value:
selected_option = GLOBAL_DEFAULT
else:
selected_option = CUSTOM_VALUE
min_value = field['default_value'].get('min_value', 0)
max_value = field['default_value'].get('max_value', 100)
default_step = (max_value - min_value) / 100.0
step = field['default_value'].get('increment', default_step)
options[CUSTOM_VALUE] = {
'label': tr('Custom'),
'value': custom_value,
'type': SINGLE_DYNAMIC,
'constraint': {
'min': min_value,
'max': max_value,
'step': step
}
}
custom_fields = self.metadata.get('inasafe_fields', {}).get(
field['key'], [])
if field['key'] in self.metadata.get('inasafe_fields', {}):
selected_option = FIELDS
if isinstance(custom_fields, str):
custom_fields = [custom_fields]
options[FIELDS] = {
'label': field_label,
'value': custom_fields,
'type': MULTIPLE_DYNAMIC,
'constraint': {}
}
used_fields.extend(custom_fields)
parameter = GroupSelectParameter()
parameter.guid = field['key']
parameter.name = field['name']
parameter.options = options
parameter.selected = selected_option
parameter.help_text = field['help_text']
parameter.description = field['description']
self.parameters.append(parameter)
self.parameter_container = ParameterContainer(
parameters=self.parameters,
extra_parameters=self.extra_parameters,
vertical=False
)
self.parameter_container.setup_ui()
constraints = self.field_group.get('constraints', {})
for key, value in list(constraints.items()):
self.parameter_container.add_validator(
validators[key],
kwargs=value['kwargs'],
validation_message=value['message'])
self.parameter_layout.addWidget(self.parameter_container)
default_ratio_help_text = tr(
'By default, InaSAFE will calculate the default ratio '
'however users have the option to include this in the '
'analysis report. If you do not want to see the default '
'results in the report choose "do not report".')
# Set move or copy
if self.field_group.get('exclusive', False):
# If exclusive, do not add used field.
self.populate_field_list(excluded_fields=used_fields)
# Use move action since it's exclusive
self.field_list.setDefaultDropAction(Qt.MoveAction)
# Just make sure that the signal is disconnected
try:
# noinspection PyUnresolvedReferences
self.field_list.itemChanged.disconnect(self.drop_remove)
except TypeError:
pass
# Set header
header_text = self.field_group['description']
header_text += '\n\n' + default_ratio_help_text
header_text += '\n\n' + tr(
'You can only map one field to one concept.')
else:
# If not exclusive, add all field.
self.populate_field_list()
# Use copy action since it's not exclusive
self.field_list.setDefaultDropAction(Qt.CopyAction)
# noinspection PyUnresolvedReferences
self.field_list.itemChanged.connect(
partial(self.drop_remove, field_list=self.field_list))
self.connect_drop_remove_parameter()
# Set header
header_text = self.field_group['description']
header_text += '\n\n' + default_ratio_help_text
header_text += '\n\n' + tr(
'You can map one field to more than one concepts.')
self.header_label.setText(header_text)
def get_parameter_value(self):
"""Get parameter of the tab.
:returns: Dictionary of parameters by type in this format:
{'fields': {}, 'values': {}}.
:rtype: dict
"""
parameters = self.parameter_container.get_parameters(True)
field_parameters = {}
value_parameters = {}
for parameter in parameters:
if parameter.selected_option_type() in [SINGLE_DYNAMIC, STATIC]:
value_parameters[parameter.guid] = parameter.value
elif parameter.selected_option_type() == MULTIPLE_DYNAMIC:
field_parameters[parameter.guid] = parameter.value
return {
'fields': field_parameters,
'values': value_parameters
}
def update_footer(self):
"""Update footer when the field list change."""
field_item = self.field_list.currentItem()
if not field_item:
self.footer_label.setText('')
return
field_name = field_item.data(Qt.UserRole)
field = self.layer.fields().field(field_name)
index = self.layer.fields().lookupField(field_name)
unique_values = list(self.layer.uniqueValues(index))
pretty_unique_values = ', '.join([str(v) for v in unique_values[:10]])
footer_text = tr('Field type: {0}\n').format(field.typeName())
footer_text += tr('Unique values: {0}').format(pretty_unique_values)
self.footer_label.setText(footer_text)
def connect_drop_remove_parameter(self):
parameter_widgets = self.parameter_container.get_parameter_widgets()
for parameter_widget in parameter_widgets:
field_list = parameter_widget.widget().list_widget
field_list.itemChanged.connect(
partial(self.drop_remove, field_list=field_list))
@staticmethod
def drop_remove(*args, **kwargs):
"""Action when we need to remove dropped item.
:param *args: Position arguments.
:type *args: list
:param kwargs: Keywords arguments.
:type kwargs: dict
"""
dropped_item = args[0]
field_list = kwargs['field_list']
num_duplicate = 0
for i in range(field_list.count()):
if dropped_item.text() == field_list.item(i).text():
num_duplicate += 1
if num_duplicate > 1:
# Notes(IS): For some reason, removeItemWidget is not working.
field_list.takeItem(field_list.row(dropped_item))
