# ***************************************************************************
# *   Copyright (c) 2015 Bernd Hahnebach <bernd@bimstatik.org>              *
# *                                                                         *
# *   This file is part of the FreeCAD CAx development system.              *
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__title__ = "FreeCAD FEM element geometry 1D task panel for the document object"
__author__ = "Bernd Hahnebach"
__url__ = "https://www.freecad.org"

## @package task_element_geometry1D
#  \ingroup FEM
#  \brief task panel for element geometry 1D object

from PySide import QtCore

import FreeCAD
import FreeCADGui

from femguiutils import selection_widgets
from femobjects import element_geometry1D
from . import base_femtaskpanel


class _TaskPanel(base_femtaskpanel._BaseTaskPanel):
    """
    The TaskPanel for editing References property of ElementGeometry1D objects
    """

    def __init__(self, obj):
        super().__init__(obj)

        # parameter widget
        self.parameterWidget = FreeCADGui.PySideUic.loadUi(
            FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/ElementGeometry1D.ui"
        )
        QtCore.QObject.connect(
            self.parameterWidget.cb_crosssectiontype,
            QtCore.SIGNAL("activated(int)"),
            self.sectiontype_changed,
        )
        QtCore.QObject.connect(
            self.parameterWidget.if_rec_height,
            QtCore.SIGNAL("valueChanged(Base::Quantity)"),
            self.rec_height_changed,
        )
        QtCore.QObject.connect(
            self.parameterWidget.if_rec_width,
            QtCore.SIGNAL("valueChanged(Base::Quantity)"),
            self.rec_width_changed,
        )
        QtCore.QObject.connect(
            self.parameterWidget.if_circ_diameter,
            QtCore.SIGNAL("valueChanged(Base::Quantity)"),
            self.circ_diameter_changed,
        )
        QtCore.QObject.connect(
            self.parameterWidget.if_pipe_diameter,
            QtCore.SIGNAL("valueChanged(Base::Quantity)"),
            self.pipe_diameter_changed,
        )
        QtCore.QObject.connect(
            self.parameterWidget.if_pipe_thickness,
            QtCore.SIGNAL("valueChanged(Base::Quantity)"),
            self.pipe_thickness_changed,
        )

        self.parameterWidget.cb_crosssectiontype.addItems(
            element_geometry1D.ElementGeometry1D.known_beam_types
        )
        self.get_beamsection_props()
        self.updateParameterWidget()

        # geometry selection widget
        self.selectionWidget = selection_widgets.GeometryElementsSelection(
            obj.References, ["Edge"], False, True
        )

        # form made from param and selection widget
        self.form = [self.parameterWidget, self.selectionWidget]

    def accept(self):
        self.set_beamsection_props()
        self.obj.References = self.selectionWidget.references
        self.selectionWidget.finish_selection()
        return super().accept()

    def reject(self):
        self.selectionWidget.finish_selection()
        return super().reject()

    def get_beamsection_props(self):
        self.SectionType = self.obj.SectionType
        self.RectHeight = self.obj.RectHeight
        self.RectWidth = self.obj.RectWidth
        self.CircDiameter = self.obj.CircDiameter
        self.PipeDiameter = self.obj.PipeDiameter
        self.PipeThickness = self.obj.PipeThickness

    def set_beamsection_props(self):
        self.obj.SectionType = self.SectionType
        self.obj.RectHeight = self.RectHeight
        self.obj.RectWidth = self.RectWidth
        self.obj.CircDiameter = self.CircDiameter
        self.obj.PipeDiameter = self.PipeDiameter
        self.obj.PipeThickness = self.PipeThickness

    def updateParameterWidget(self):
        "fills the widgets"
        index_crosssectiontype = self.parameterWidget.cb_crosssectiontype.findText(self.SectionType)
        self.parameterWidget.cb_crosssectiontype.setCurrentIndex(index_crosssectiontype)
        self.parameterWidget.if_rec_height.setText(self.RectHeight.UserString)
        self.parameterWidget.if_rec_width.setText(self.RectWidth.UserString)
        self.parameterWidget.if_circ_diameter.setText(self.CircDiameter.UserString)
        self.parameterWidget.if_pipe_diameter.setText(self.PipeDiameter.UserString)
        self.parameterWidget.if_pipe_thickness.setText(self.PipeThickness.UserString)

    def sectiontype_changed(self, index):
        if index < 0:
            return
        self.parameterWidget.cb_crosssectiontype.setCurrentIndex(index)
        # parameterWidget returns unicode
        self.SectionType = str(self.parameterWidget.cb_crosssectiontype.itemText(index))

    def rec_height_changed(self, base_quantity_value):
        self.RectHeight = base_quantity_value

    def rec_width_changed(self, base_quantity_value):
        self.RectWidth = base_quantity_value

    def circ_diameter_changed(self, base_quantity_value):
        self.CircDiameter = base_quantity_value

    def pipe_diameter_changed(self, base_quantity_value):
        self.PipeDiameter = base_quantity_value

    def pipe_thickness_changed(self, base_quantity_value):
        self.PipeThickness = base_quantity_value
