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()
Exemple #3
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    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
Exemple #4
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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))
Exemple #5
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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()
Exemple #6
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    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
Exemple #7
0
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()
Exemple #8
0
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))