def copy(self):
field_expression_widget = QgsFieldExpressionWidget()
field_expression_widget.setLayer(
self._qgsfieldexpressionwidget.layer())
field_expression_widget.setField(
self._qgsfieldexpressionwidget.currentText())
color_btn_widget = QgsColorButton()
color_btn_widget.setColor(self._qgscolorbutton.color())
spinbox = QtGui.QSpinBox()
spinbox.setValue(self._qspinbox.value())
return PresetRow(field_expression_widget, color_btn_widget, spinbox)
class PresetRow():
def __init__(self,
qgsfieldexpressionwidget=None,
qgscolorbutton=None,
qspinbox=None):
self._qgsfieldexpressionwidget = qgsfieldexpressionwidget
if qgsfieldexpressionwidget is None:
self._qgsfieldexpressionwidget = QgsFieldExpressionWidget()
self._qgscolorbutton = qgscolorbutton
if qgscolorbutton is None:
self._qgscolorbutton = QgsColorButton()
self._qspinbox = qspinbox
if qspinbox is None:
self._qspinbox = QtGui.QSpinBox()
self._last_feature = None
def set_layer(self, layer_id):
self._qgsfieldexpressionwidget.setLayer(layer_id)
def __del__(self):
self._qgsfieldexpressionwidget.deleteLater()
self._qgsfieldexpressionwidget = None
self._qgscolorbutton.deleteLater()
self._qgscolorbutton = None
self._qspinbox.deleteLater()
self._qspinbox = None
def __str__(self):
return "{}-{}-{}".format(str(self._qgsfieldexpressionwidget),
str(self._qgscolorbutton),
str(self._qspinbox))
def __repr__(self):
return self.__str__()
def asLst(self):
return self._qgscolorbutton, self._qgsfieldexpressionwidget, self._qspinbox
@property
def qgsfieldexp(self):
return self._qgsfieldexpressionwidget
@property
def exp_txt(self):
return self._qgsfieldexpressionwidget.currentText()
@property
def qgscolorbutton(self):
return self._qgscolorbutton
@property
def qspinbox(self):
return self._qspinbox
@property
def lvl(self):
return self._qspinbox.value()
def copy(self):
field_expression_widget = QgsFieldExpressionWidget()
field_expression_widget.setLayer(
self._qgsfieldexpressionwidget.layer())
field_expression_widget.setField(
self._qgsfieldexpressionwidget.currentText())
color_btn_widget = QgsColorButton()
color_btn_widget.setColor(self._qgscolorbutton.color())
spinbox = QtGui.QSpinBox()
spinbox.setValue(self._qspinbox.value())
return PresetRow(field_expression_widget, color_btn_widget, spinbox)
#===========================================================================
#
#===========================================================================
def dump(self):
exp = self._qgsfieldexpressionwidget.currentText()
#color=self._qgscolorbutton.color().name()
color = self._qgscolorbutton.color().rgba()
idx = self._qspinbox.value()
res = {"exp": exp, "color": color, "idx": idx}
return json.dumps(res)
#=======================================================================
#
#=======================================================================
def load(self, str_dump):
res = json.loads(str_dump)
self._qgsfieldexpressionwidget.setField(res["exp"])
#self._qgscolorbutton.color().setNamedColor(res["color"])
qcolor = self._qgscolorbutton.color()
qcolor.setRgba(res["color"])
self._qgscolorbutton.setColor(qcolor)
self._qspinbox.setValue(res["idx"])
@property
def exp(self):
return QgsExpression(self._qgsfieldexpressionwidget.asExpression())
@property
def qcolor(self):
return self._qgscolorbutton.color()
@property
def color_rgba(self):
return self._qgscolorbutton.color().rgba()
@property
def color_hex(self):
return self._qgscolorbutton.color().name()
def setFeature(self, feature):
self._last_feature = feature
def execute(self, feature=None):
if feature is not None:
self.setFeature(feature)
if self._last_feature is None: return None
else: return self.exp.evaluate(self._last_feature)