333 lines
13 KiB
Python
333 lines
13 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2011, 2016 *
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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 Tools
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from shipUtils import Paths
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import shipUtils.Units as USys
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import shipUtils.Locale as Locale
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class TaskPanel:
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def __init__(self):
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self.ui = Paths.modulePath() + "/shipGZ/TaskPanel.ui"
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def accept(self):
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if self.lc is None:
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return False
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self.save()
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mw = self.getMainWindow()
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form = mw.findChild(QtGui.QWidget, "TaskPanel")
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form.angle = self.widget(QtGui.QLineEdit, "Angle")
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form.n_points = self.widget(QtGui.QSpinBox, "NumPoints")
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form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim")
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roll = Units.Quantity(Locale.fromString(form.angle.text()))
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n_points = form.n_points.value()
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var_trim = form.var_trim.isChecked()
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rolls = []
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for i in range(n_points):
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rolls.append(roll * i / float(n_points - 1))
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points = Tools.gz(self.lc, rolls, var_trim)
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gzs = []
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drafts = []
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trims = []
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for p in points:
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gzs.append(p[0].getValueAs('m').Value)
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drafts.append(p[1].getValueAs('m').Value)
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trims.append(p[2].getValueAs('deg').Value)
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PlotAux.Plot(rolls, gzs, drafts, trims)
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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.angle = self.widget(QtGui.QLineEdit, "Angle")
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form.n_points = self.widget(QtGui.QSpinBox, "NumPoints")
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form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim")
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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 RuntimeError("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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# Look for selected loading conditions (Spreadsheets)
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self.lc = None
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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 loading condition instance must be selected before using"
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" this tool (no objects selected)",
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None)
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App.Console.PrintError(msg + '\n')
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return True
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for i in range(len(selObjs)):
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obj = selObjs[i]
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try:
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if obj.TypeId != 'Spreadsheet::Sheet':
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continue
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except ValueError:
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continue
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# Check if it is a Loading condition:
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# B1 cell must be a ship
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# B2 cell must be the loading condition itself
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doc = App.ActiveDocument
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try:
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if obj not in doc.getObjectsByLabel(obj.get('B2')):
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continue
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ships = doc.getObjectsByLabel(obj.get('B1'))
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if len(ships) != 1:
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if len(ships) == 0:
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msg = QtGui.QApplication.translate(
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"ship_console",
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"Wrong Ship label! (no instances labeled as"
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"'{}' found)",
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None)
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App.Console.PrintError(msg + '\n'.format(
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obj.get('B1')))
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else:
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msg = QtGui.QApplication.translate(
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"ship_console",
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"Ambiguous Ship label! ({} instances labeled as"
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"'{}' found)",
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None)
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App.Console.PrintError(msg + '\n'.format(
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len(ships),
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obj.get('B1')))
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continue
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ship = ships[0]
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if ship is None or not ship.PropertiesList.index("IsShip"):
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continue
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except ValueError:
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continue
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# Let's see if several loading conditions have been selected (and
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# prompt a warning)
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if self.lc:
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msg = QtGui.QApplication.translate(
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"ship_console",
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"More than one loading condition have been selected (the"
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" extra loading conditions will be ignored)",
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None)
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App.Console.PrintWarning(msg + '\n')
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break
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self.lc = obj
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self.ship = ship
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if not self.lc:
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msg = QtGui.QApplication.translate(
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"ship_console",
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"A loading condition instance must be selected before using"
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" this tool (no valid loading condition found at the selected"
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" objects)",
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None)
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App.Console.PrintError(msg + '\n')
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return True
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# We have a valid loading condition, let's set the initial field values
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angle_format = USys.getAngleFormat()
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mw = self.getMainWindow()
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form = mw.findChild(QtGui.QWidget, "TaskPanel")
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form.angle = self.widget(QtGui.QLineEdit, "Angle")
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form.n_points = self.widget(QtGui.QSpinBox, "NumPoints")
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form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim")
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form.angle.setText(Locale.toString(angle_format.format(90.0)))
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# Try to use saved values
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props = self.ship.PropertiesList
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try:
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props.index("GZAngle")
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form.angle.setText(Locale.toString(angle_format.format(
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self.ship.GZAngle.getValueAs(
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USys.getAngleUnits()).Value)))
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except:
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pass
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try:
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props.index("GZNumPoints")
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form.n_points.setValue(self.ship.GZNumPoints)
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except ValueError:
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pass
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try:
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props.index("GZVariableTrim")
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if self.ship.GZVariableTrim:
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form.var_trim.setCheckState(QtCore.Qt.Checked)
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else:
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form.var_trim.setCheckState(QtCore.Qt.Unchecked)
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except ValueError:
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pass
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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_gz",
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"Plot the GZ curve",
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None))
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self.widget(QtGui.QLabel, "AngleLabel").setText(
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QtGui.QApplication.translate(
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"ship_gz",
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"Maximum angle",
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None))
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self.widget(QtGui.QLabel, "NumPointsLabel").setText(
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QtGui.QApplication.translate(
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"ship_gz",
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"Number of points",
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None))
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self.widget(QtGui.QCheckBox, "VariableTrim").setText(
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QtGui.QApplication.translate(
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"ship_gz",
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"Variable trim",
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None))
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self.widget(QtGui.QCheckBox, "VariableTrim").setToolTip(
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QtGui.QApplication.translate(
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"ship_gz",
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"The ship will be rotated to the equilibrium trim angle for" + \
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" each roll angle. It will significantly increase the" + \
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" required computing time",
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None))
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def save(self):
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""" Saves the data into ship instance. """
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mw = self.getMainWindow()
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form = mw.findChild(QtGui.QWidget, "TaskPanel")
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form.angle = self.widget(QtGui.QLineEdit, "Angle")
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form.n_points = self.widget(QtGui.QSpinBox, "NumPoints")
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form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim")
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angle = Units.Quantity(Locale.fromString(
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form.angle.text())).getValueAs('deg').Value
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n_points = form.n_points.value()
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var_trim = form.var_trim.isChecked()
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props = self.ship.PropertiesList
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try:
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props.index("GZAngle")
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except ValueError:
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try:
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tooltip = str(QtGui.QApplication.translate(
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"ship_gz",
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"GZ curve tool angle selected [deg]",
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None))
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except:
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tooltip = "GZ curve tool angle selected [deg]"
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self.ship.addProperty("App::PropertyAngle",
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"GZAngle",
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"Ship",
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tooltip)
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self.ship.GZAngle = '{} deg'.format(angle)
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try:
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props.index("GZNumPoints")
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except ValueError:
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try:
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tooltip = str(QtGui.QApplication.translate(
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"ship_gz",
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"GZ curve tool number of points selected",
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None))
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except:
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tooltip = "GZ curve tool number of points selected"
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self.ship.addProperty("App::PropertyInteger",
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"GZNumPoints",
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"Ship",
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tooltip)
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self.ship.GZNumPoints = n_points
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try:
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props.index("GZVariableTrim")
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except ValueError:
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try:
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tooltip = str(QtGui.QApplication.translate(
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"ship_gz",
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"GZ curve tool variable trim angle selection",
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None))
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except:
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tooltip = "GZ curve tool variable trim angle selection"
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self.ship.addProperty("App::PropertyBool",
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"GZVariableTrim",
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"Ship",
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tooltip)
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self.ship.GZVariableTrim = var_trim
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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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