FreeCAD/src/Mod/Ship/tankCreateTank/TaskPanel.py
2012-08-01 19:32:43 -03:00

169 lines
6.8 KiB
Python

#***************************************************************************
#* *
#* Copyright (c) 2011, 2012 *
#* Jose Luis Cercos Pita <jlcercos@gmail.com> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
# FreeCAD modules
import FreeCAD as App
import FreeCADGui as Gui
import Part
# Qt library
from PyQt4 import QtGui,QtCore
# Module
from TankInstance import *
from shipUtils import Paths, Translator
class TaskPanel:
def __init__(self):
self.ui = Paths.modulePath() + "/tankCreateTank/TaskPanel.ui"
def accept(self):
# Create new ship instance
obj = App.ActiveDocument.addObject("Part::FeaturePython","Tank")
ShipTank(obj, self.solid, self.form.level.value(), self.form.dens.value())
if not obj.IsShipTank:
msg = Translator.translate("Tank has not been created.\n")
App.Console.PrintError(msg)
ViewProviderShipTank(obj.ViewObject)
App.ActiveDocument.recompute()
return True
def reject(self):
return True
def clicked(self, index):
pass
def open(self):
pass
def needsFullSpace(self):
return True
def isAllowedAlterSelection(self):
return False
def isAllowedAlterView(self):
return True
def isAllowedAlterDocument(self):
return False
def helpRequested(self):
pass
def setupUi(self):
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.level = form.findChild(QtGui.QDoubleSpinBox, "Level")
form.dens = form.findChild(QtGui.QDoubleSpinBox, "Density")
self.form = form
# Initial values
if self.initValues():
return True
self.retranslateUi()
# Connect Signals and Slots
QtCore.QObject.connect(form.level, QtCore.SIGNAL("valueChanged(double)"), self.onLevel)
QtCore.QObject.connect(form.dens , QtCore.SIGNAL("valueChanged(double)"), self.onDens)
def getMainWindow(self):
"returns the main window"
# using QtGui.qApp.activeWindow() isn't very reliable because if another
# widget than the mainwindow is active (e.g. a dialog) the wrong widget is
# returned
toplevel = QtGui.qApp.topLevelWidgets()
for i in toplevel:
if i.metaObject().className() == "Gui::MainWindow":
return i
raise Exception("No main window found")
def initValues(self):
""" Get selected geometry.
@return False if sucessfully find valid geometry.
"""
self.solid = None
solids = []
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = Translator.translate("Tank objects can only be created on top of structure geometry (no object selected).\n")
App.Console.PrintError(msg)
msg = Translator.translate("Please create a tank geometry before using this tool.\n")
App.Console.PrintError(msg)
return True
for i in range(0, len(selObjs)):
solid = selObjs[i]
if solid.isDerivedFrom('Part::Feature'):
# Get shape
shape = solid.Shape
if not shape:
continue
solid = shape
if not solid.isDerivedFrom('Part::TopoShape'):
return None
# Get shells
shells = solid.Shells
if not shells:
continue
# Build solids
for s in shells:
solids.append(Part.Solid(s))
if not solids:
msg = Translator.translate("Ship objects can only be created on top of structure geometry (no solids can't be computed).\n")
App.Console.PrintError(msg)
msg = Translator.translate("Please create or download a tank geometry before using this tool\n")
App.Console.PrintError(msg)
return True
self.solid = Part.CompSolid(solids)
msg = Translator.translate("Ready to work\n")
App.Console.PrintMessage(msg)
return False
def retranslateUi(self):
""" Set user interface locale strings.
"""
self.form.setWindowTitle(Translator.translate("Create a new tank"))
name = Translator.translate("Filling level") + " (%)"
self.form.findChild(QtGui.QLabel, "LevelLabel").setText(name)
name = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd">\n<html><body>'
name = name + Translator.translate("Density")
name = name + '(kg/m<span style=" vertical-align:super;">3</span>)</body></html>'
self.form.findChild(QtGui.QLabel, "DensityLabel").setText(name)
def onLevel(self, value):
""" Method called when tank filling level has been modified.
@param value Changed value.
"""
pass
def onDens(self, value):
""" Method called when fluid density has been modified.
@param value Changed value.
"""
pass
def createTask():
panel = TaskPanel()
Gui.Control.showDialog(panel)
if panel.setupUi():
Gui.Control.closeDialog(panel)
return None
return panel