class DisplayAequilibraEFormatsDialog(QtGui.QDialog, FORM_CLASS):
def __init__(self, iface):
QDialog.__init__(self)
self.iface = iface
self.setupUi(self)
self.error = None
self.error = None
self.data_path, self.data_type = GetOutputFileName(
self, 'AequilibraE custom formats',
["Aequilibrae dataset(*.aed)", "Aequilibrae matrix(*.aem)"],
'.aed', standard_path())
self.data_type = self.data_type.upper()
if self.data_path is None:
self.error = 'Path provided is not a valid dataset'
self.exit_with_error()
if self.data_type == 'AED':
self.data_to_show = AequilibraEData()
elif self.data_type == 'AEM':
self.data_to_show = AequilibraeMatrix()
try:
self.data_to_show.load(self.data_path)
except:
self.error = 'Could not load dataset'
self.exit_with_error()
# Elements that will be used during the displaying
self._layout = QVBoxLayout()
self.table = QTableView()
self._layout.addWidget(self.table)
# Settings for displaying
self.show_layout = QHBoxLayout()
# Thousand separator
self.thousand_separator = QCheckBox()
self.thousand_separator.setChecked(True)
self.thousand_separator.setText('Thousands separator')
self.thousand_separator.toggled.connect(self.format_showing)
self.show_layout.addWidget(self.thousand_separator)
self.spacer = QSpacerItem(5, 0, QSizePolicy.Expanding,
QSizePolicy.Minimum)
self.show_layout.addItem(self.spacer)
# Decimals
txt = QLabel()
txt.setText('Decimal places')
self.show_layout.addWidget(txt)
self.decimals = QSpinBox()
self.decimals.valueChanged.connect(self.format_showing)
self.decimals.setMinimum(0)
self.decimals.setValue(4)
self.decimals.setMaximum(10)
self.show_layout.addWidget(self.decimals)
self._layout.addItem(self.show_layout)
# differentiates between matrix and dataset
if self.data_type == 'AEM':
self.data_to_show.computational_view([self.data_to_show.names[0]])
# Matrices need cores and indices to be set as well
self.mat_layout = QHBoxLayout()
self.mat_list = QComboBox()
for n in self.data_to_show.names:
self.mat_list.addItem(n)
self.mat_list.currentIndexChanged.connect(self.change_matrix_cores)
self.mat_layout.addWidget(self.mat_list)
self.idx_list = QComboBox()
for i in self.data_to_show.index_names:
self.idx_list.addItem(i)
self.idx_list.currentIndexChanged.connect(self.change_matrix_cores)
self.mat_layout.addWidget(self.idx_list)
self._layout.addItem(self.mat_layout)
self.change_matrix_cores()
self.but_export = QPushButton()
self.but_export.setText('Export')
self.but_export.clicked.connect(self.export)
self.but_close = QPushButton()
self.but_close.clicked.connect(self.exit_procedure)
self.but_close.setText('Close')
self.but_layout = QHBoxLayout()
self.but_layout.addWidget(self.but_export)
self.but_layout.addWidget(self.but_close)
self._layout.addItem(self.but_layout)
# We chose to use QTableView. However, if we want to allow the user to edit the dataset
# The we need to allow them to switch to the slower QTableWidget
# Code below
# self.table = QTableWidget(self.data_to_show.entries, self.data_to_show.num_fields)
# self.table.setHorizontalHeaderLabels(self.data_to_show.fields)
# self.table.setObjectName('data_viewer')
#
# self.table.setVerticalHeaderLabels([str(x) for x in self.data_to_show.index[:]])
# self.table.clearContents()
#
# for i in range(self.data_to_show.entries):
# for j, f in enumerate(self.data_to_show.fields):
# item1 = QTableWidgetItem(str(self.data_to_show.data[f][i]))
# item1.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable)
# self.table.setItem(i, j, item1)
self.resize(700, 500)
self.setLayout(self._layout)
self.format_showing()
def format_showing(self):
decimals = self.decimals.value()
separator = self.thousand_separator.isChecked()
if isinstance(self.data_to_show, AequilibraeMatrix):
m = NumpyModel(self.data_to_show, separator, decimals)
else:
m = DatabaseModel(self.data_to_show, separator, decimals)
self.table.clearSpans()
self.table.setModel(m)
def change_matrix_cores(self):
self.data_to_show.computational_view([self.mat_list.currentText()])
self.data_to_show.set_index(0)
self.format_showing()
def export(self):
new_name, file_type = GetOutputFileName(
self, self.data_type, ["Comma-separated file(*.csv)"], ".csv",
self.data_path)
if new_name is not None:
self.data_to_show.export(new_name)
def exit_with_error(self):
qgis.utils.iface.messageBar().pushMessage("Error:",
self.error,
level=1)
self.exit_procedure()
def exit_procedure(self):
self.close()
