def __init__(self, attribute='', min_values=[], max_values=[]):
""" constructor """
super(DialogAttrRanges, self).__init__()
self.ui = Ui_attrRangesDialog()
self.ui.setupUi(self)
self.setFixedSize(self.size())
# additional table UI adjustment
self.ui.table_ranges.verticalHeader().hide()
self.ui.table_ranges.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.ui.table_ranges.horizontalHeader().resizeSection(0, self.ui.table_ranges.width() * 0.5)
self.ui.table_ranges.horizontalHeader().resizeSection(1, self.ui.table_ranges.width() * 0.5)
self.ui.table_ranges.itemChanged.connect(self.verifyData)
self.set_values(attribute, min_values, max_values)
# connect slot (ui event)
self.ui.buttons.accepted.connect(self.accept)
self.ui.buttons.rejected.connect(self.reject)
self.ui.btn_add.clicked.connect(self.add_range)
self.ui.btn_delete.clicked.connect(self.remove_range)
class DialogAttrRanges(Ui_attrRangesDialog, QDialog):
"""
dialog specifying options for creating mapping scheme
"""
BUILD_EMPTY, BUILD_FROM_SURVEY=range(2)
def __init__(self, attribute='', min_values=[], max_values=[]):
""" constructor """
super(DialogAttrRanges, self).__init__()
self.ui = Ui_attrRangesDialog()
self.ui.setupUi(self)
self.setFixedSize(self.size())
# additional table UI adjustment
self.ui.table_ranges.verticalHeader().hide()
self.ui.table_ranges.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.ui.table_ranges.horizontalHeader().resizeSection(0, self.ui.table_ranges.width() * 0.5)
self.ui.table_ranges.horizontalHeader().resizeSection(1, self.ui.table_ranges.width() * 0.5)
self.ui.table_ranges.itemChanged.connect(self.verifyData)
self.set_values(attribute, min_values, max_values)
# connect slot (ui event)
self.ui.buttons.accepted.connect(self.accept)
self.ui.buttons.rejected.connect(self.reject)
self.ui.btn_add.clicked.connect(self.add_range)
self.ui.btn_delete.clicked.connect(self.remove_range)
@property
def min_values(self):
return self.range_values[0]
@property
def max_values(self):
return self.range_values[1]
@logUICall
@pyqtSlot()
def add_range(self):
self.ui.table_ranges.insertRow(self.ui.table_ranges.rowCount())
self.range_values[0].append(None)
self.range_values[1].append(None)
@logUICall
@pyqtSlot()
def remove_range(self):
self.ui.table_ranges.removeRow(self.ui.table_ranges.rowCount()-1)
self.range_values[0].pop()
self.range_values[1].pop()
@logUICall
@pyqtSlot(QObject)
def verifyData(self, item):
"""
callback at each table value update. two checks
- value is integer
- range is valid with new value
"""
item_val = item.data(Qt.DisplayRole)
if item_val == QVariant('None'):
return
int_val = item_val.toInt()
row, col = item.row(), item.column()
if int_val[1]: # is integer
# set value
self.range_values[col][row] = int_val[0]
# allow set range only if is valid
range_is_valid = False
try:
range_is_valid = self.is_range_valid()
except SIDDRangeGroupException as err:
# error means not valid
self.ui.lb_notes.setText(err.message)
except Exception as err:
# error means not valid
self.ui.lb_notes.setText(err.message)
self.ui.buttons.button(QDialogButtonBox.Ok).setEnabled(range_is_valid)
else:
# not integer
# restore
logUICall.log(get_ui_string('dlg.attr.value.error'), logUICall.WARNING)
self.ui.table_ranges.setItem(row, col, QTableWidgetItem('%s'%self.range_values[col][row]))
# public method
###############################
def set_values(self, attribute, min_values, max_values):
""" set data for the table """
self.ui.lb_attribute.setText(attribute)
self.range_values = [min_values, max_values]
table = self.ui.table_ranges
table.clearContents()
table.setRowCount(0)
for i, min_val, max_val in map(None, range(len(min_values)), min_values, max_values):
table.insertRow(i)
table.setItem(i, 0, QTableWidgetItem('%s'%min_val))
table.setItem(i, 1, QTableWidgetItem('%s'%max_val))
# internal helper methods
###############################
def is_range_valid(self):
is_valid = True
self.ui.lb_notes.setText("")
for i in range(len(self.range_values[0])):
# minimum must be less than maximum in same row
max_val = self.range_values[1][i]
min_val = self.range_values[0][i]
is_valid = (min_val <= max_val)
if not is_valid:
# use exception to stop additional checks
raise SIDDRangeGroupException(get_ui_string("dlg.attr.error.max", (max_val, min_val)))
# and minimum must be exactly 1 larger than maximum from previous row
if i > 0: # first row does not have previous
max_last = self.range_values[1][i-1]
is_valid = (min_val == max_last+1)
if not is_valid:
# use exception to stop additional checks
raise SIDDRangeGroupException(get_ui_string("dlg.attr.error.range", (max_last, min_val)))
return is_valid
