Files
create/src/Mod/Ship/shipHydrostatics/TaskPanel.py
2012-09-07 11:25:05 +02:00

230 lines
9.1 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 *
#* *
#***************************************************************************
import math
# FreeCAD modules
import FreeCAD as App
import FreeCADGui as Gui
# Qt library
from PyQt4 import QtGui,QtCore
# Module
import Plot
import Instance
from shipUtils import Paths, Translator
import Tools
class TaskPanel:
def __init__(self):
self.ui = Paths.modulePath() + "/shipHydrostatics/TaskPanel.ui"
self.ship = None
def accept(self):
if not self.ship:
return False
self.save()
draft = self.form.minDraft.value()
drafts = [draft]
dDraft = (self.form.maxDraft.value() - self.form.minDraft.value())/(self.form.nDraft.value()-1)
for i in range(1,self.form.nDraft.value()):
draft = draft + dDraft
drafts.append(draft)
Plot.Plot(self.ship, self.form.trim.value(), drafts)
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.trim = form.findChild(QtGui.QDoubleSpinBox, "Trim")
form.minDraft = form.findChild(QtGui.QDoubleSpinBox, "MinDraft")
form.maxDraft = form.findChild(QtGui.QDoubleSpinBox, "MaxDraft")
form.nDraft = form.findChild(QtGui.QSpinBox, "NDraft")
self.form = form
# Initial values
if self.initValues():
return True
self.retranslateUi()
# Connect Signals and Slots
QtCore.QObject.connect(form.trim, QtCore.SIGNAL("valueChanged(double)"), self.onData)
QtCore.QObject.connect(form.minDraft, QtCore.SIGNAL("valueChanged(double)"), self.onData)
QtCore.QObject.connect(form.maxDraft, QtCore.SIGNAL("valueChanged(double)"), self.onData)
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):
""" Set initial values for fields
"""
# Get objects
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = Translator.translate("Ship instance must be selected (no object selected)\n")
App.Console.PrintError(msg)
return True
for i in range(0,len(selObjs)):
obj = selObjs[i]
# Test if is a ship instance
props = obj.PropertiesList
try:
props.index("IsShip")
except ValueError:
continue
if obj.IsShip:
# Test if another ship already selected
if self.ship:
msg = Translator.translate("More than one ship selected (extra ship will be neglected)\n")
App.Console.PrintWarning(msg)
break
self.ship = obj
# Test if any valid ship was selected
if not self.ship:
msg = Translator.translate("Ship instance must be selected (no valid ship found at selected objects)\n")
App.Console.PrintError(msg)
return True
# Get bounds
bbox = self.ship.Shape.BoundBox
# Set trim
flag = True
try:
props.index("HydrostaticsTrim")
except ValueError:
flag = False
if flag:
self.form.trim.setValue(self.ship.HydrostaticsTrim)
# Set drafts
self.form.maxDraft.setValue(1.1*self.ship.Draft)
self.form.minDraft.setValue(0.9*self.ship.Draft)
# Try to use saved values
props = self.ship.PropertiesList
flag = True
try:
props.index("HydrostaticsMinDraft")
except ValueError:
flag = False
if flag:
self.form.minDraft.setValue(self.ship.HydrostaticsMinDraft)
flag = True
try:
props.index("HydrostaticsMaxDraft")
except ValueError:
flag = False
if flag:
self.form.maxDraft.setValue(self.ship.HydrostaticsMaxDraft)
self.form.maxDraft.setMaximum(bbox.ZMax)
self.form.minDraft.setMinimum(bbox.ZMin)
self.form.maxDraft.setMinimum(self.form.minDraft.value())
self.form.minDraft.setMaximum(self.form.maxDraft.value())
flag = True
try:
props.index("HydrostaticsNDraft")
except ValueError:
flag = False
if flag:
self.form.nDraft.setValue(self.ship.HydrostaticsNDraft)
# Update GUI
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("Plot hydrostatics"))
self.form.findChild(QtGui.QLabel, "TrimLabel").setText(Translator.translate("Trim"))
self.form.findChild(QtGui.QLabel, "MinDraftLabel").setText(Translator.translate("Minimum draft"))
self.form.findChild(QtGui.QLabel, "MaxDraftLabel").setText(Translator.translate("Maximum draft"))
self.form.findChild(QtGui.QLabel, "NDraftLabel").setText(Translator.translate("Number of points"))
def onData(self, value):
""" Method called when input data is changed.
@param value Changed value.
"""
if not self.ship:
return
self.form.maxDraft.setMinimum(self.form.minDraft.value())
self.form.minDraft.setMaximum(self.form.maxDraft.value())
def save(self):
""" Saves data into ship instance.
"""
props = self.ship.PropertiesList
try:
props.index("HydrostaticsTrim")
except ValueError:
self.ship.addProperty("App::PropertyFloat","HydrostaticsTrim","Ship", str(Translator.translate("Hydrostatics trim selected [m]")))
self.ship.HydrostaticsTrim = self.form.trim.value()
try:
props.index("HydrostaticsMinDraft")
except ValueError:
self.ship.addProperty("App::PropertyFloat","HydrostaticsMinDraft","Ship", str(Translator.translate("Hydrostatics minimum draft selected [m]")))
self.ship.HydrostaticsMinDraft = self.form.minDraft.value()
try:
props.index("HydrostaticsMaxDraft")
except ValueError:
self.ship.addProperty("App::PropertyFloat","HydrostaticsMaxDraft","Ship", str(Translator.translate("Hydrostatics maximum draft selected [m]")))
self.ship.HydrostaticsMaxDraft = self.form.maxDraft.value()
try:
props.index("HydrostaticsNDraft")
except ValueError:
self.ship.addProperty("App::PropertyInteger","HydrostaticsNDraft","Ship", str(Translator.translate("Hydrostatics number of points selected [m]")))
self.ship.HydrostaticsNDraft = self.form.nDraft.value()
def createTask():
panel = TaskPanel()
Gui.Control.showDialog(panel)
if panel.setupUi():
Gui.Control.closeDialog(panel)
return None
return panel