187 lines
6.6 KiB
Python
187 lines
6.6 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2011, 2012 *
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#* Jose Luis Cercos Pita <jlcercos@gmail.com> *
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#* *
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#* This program is free software; you can redistribute it and/or modify *
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#* it under the terms of the GNU Lesser General Public License (LGPL) *
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#* as published by the Free Software Foundation; either version 2 of *
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#* the License, or (at your option) any later version. *
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#* for detail see the LICENCE text file. *
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#* *
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#* This program is distributed in the hope that it will be useful, *
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#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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#* GNU Library General Public License for more details. *
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#* *
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#* You should have received a copy of the GNU Library General Public *
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#* License along with this program; if not, write to the Free Software *
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#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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#* USA *
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#* *
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#***************************************************************************
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import math
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import FreeCAD as App
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import FreeCADGui as Gui
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import Units
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from PySide import QtGui, QtCore
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import PlotAux
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import TankInstance as Instance
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from shipUtils import Paths
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import shipUtils.Units as USys
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class TaskPanel:
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def __init__(self):
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self.ui = Paths.modulePath() + "/shipCapacityCurve/TaskPanel.ui"
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self.tank = None
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def accept(self):
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if self.tank is None:
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return False
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# Plot data
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l, z, v = self.compute()
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PlotAux.Plot(l, z, v, self.tank)
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return True
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def reject(self):
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return True
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def clicked(self, index):
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pass
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def open(self):
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pass
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def needsFullSpace(self):
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return True
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def isAllowedAlterSelection(self):
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return False
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def isAllowedAlterView(self):
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return True
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def isAllowedAlterDocument(self):
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return False
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def helpRequested(self):
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pass
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def setupUi(self):
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mw = self.getMainWindow()
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form = mw.findChild(QtGui.QWidget, "TaskPanel")
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form.points = self.widget(QtGui.QSpinBox, "Points")
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self.form = form
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if self.initValues():
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return True
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self.retranslateUi()
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def getMainWindow(self):
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toplevel = QtGui.qApp.topLevelWidgets()
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for i in toplevel:
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if i.metaObject().className() == "Gui::MainWindow":
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return i
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raise Exception("No main window found")
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def widget(self, class_id, name):
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"""Return the selected widget.
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Keyword arguments:
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class_id -- Class identifier
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name -- Name of the widget
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"""
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mw = self.getMainWindow()
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form = mw.findChild(QtGui.QWidget, "TaskPanel")
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return form.findChild(class_id, name)
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def initValues(self):
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""" Set initial values for fields
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"""
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selObjs = Gui.Selection.getSelection()
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if not selObjs:
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msg = QtGui.QApplication.translate(
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"ship_console",
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"A tank instance must be selected before using this tool (no"
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" objects selected)",
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None,
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QtGui.QApplication.UnicodeUTF8)
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App.Console.PrintError(msg + '\n')
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return True
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for i in range(0, len(selObjs)):
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obj = selObjs[i]
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props = obj.PropertiesList
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try:
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props.index("IsTank")
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except ValueError:
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continue
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if obj.IsTank:
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if self.tank:
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msg = QtGui.QApplication.translate(
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"ship_console",
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"More than one tank have been selected (the extra"
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" tanks will be ignored)",
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None,
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QtGui.QApplication.UnicodeUTF8)
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App.Console.PrintWarning(msg + '\n')
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break
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self.tank = obj
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if not self.tank:
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msg = QtGui.QApplication.translate(
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"ship_console",
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"A tank instance must be selected before using this tool (no"
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" valid tank found at the selected objects)",
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None,
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QtGui.QApplication.UnicodeUTF8)
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App.Console.PrintError(msg + '\n')
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return True
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return False
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def retranslateUi(self):
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""" Set user interface locale strings. """
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mw = self.getMainWindow()
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form = mw.findChild(QtGui.QWidget, "TaskPanel")
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form.setWindowTitle(QtGui.QApplication.translate(
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"ship_capacity",
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"Plot the tank capacity curve",
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None,
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QtGui.QApplication.UnicodeUTF8))
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self.widget(QtGui.QLabel, "PointsLabel").setText(
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QtGui.QApplication.translate(
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"ship_capacity",
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"Number of points",
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None,
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QtGui.QApplication.UnicodeUTF8))
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def compute(self):
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mw = self.getMainWindow()
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form = mw.findChild(QtGui.QWidget, "TaskPanel")
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form.points = self.widget(QtGui.QSpinBox, "Points")
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bbox = self.tank.Shape.BoundBox
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dz = Units.Quantity(bbox.ZMax - bbox.ZMin, Units.Length)
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n = form.points.value()
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dlevel = 100.0 / (n - 1)
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l = [0.0]
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v = [0.0]
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z = [0.0]
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for i in range(1, n):
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level = i * dlevel
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vol = self.tank.Proxy.setFillingLevel(self.tank, level)
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l.append(level)
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z.append(level / 100.0 * dz.getValueAs("m").Value)
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v.append(vol.getValueAs("m^3").Value)
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return (l, z, v)
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def createTask():
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panel = TaskPanel()
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Gui.Control.showDialog(panel)
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if panel.setupUi():
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Gui.Control.closeDialog(panel)
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return None
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return panel
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