#*************************************************************************** #* * #* Copyright (c) 2011, 2012 * #* Jose Luis Cercos Pita * #* * #* 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 import FreeCAD as App import FreeCADGui as Gui import Units from PySide import QtGui, QtCore import PlotAux import Tools from shipUtils import Paths import shipUtils.Units as USys import shipUtils.Locale as Locale class TaskPanel: def __init__(self): self.ui = Paths.modulePath() + "/shipGZ/TaskPanel.ui" def accept(self): if self.lc is None: return False self.save() mw = self.getMainWindow() form = mw.findChild(QtGui.QWidget, "TaskPanel") form.angle = self.widget(QtGui.QLineEdit, "Angle") form.n_points = self.widget(QtGui.QSpinBox, "NumPoints") form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim") rolls = [] roll = Units.Quantity(Locale.fromString( form.angle.text())).getValueAs('deg').Value n_points = form.n_points.value() for i in range(n_points): rolls.append(roll * i / float(n_points - 1)) gz = Tools.solve(self.ship, self.weights, self.tanks, rolls, form.var_trim.isChecked()) 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.angle = self.widget(QtGui.QLineEdit, "Angle") form.n_points = self.widget(QtGui.QSpinBox, "NumPoints") form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim") self.form = form if self.initValues(): return True self.retranslateUi() def getMainWindow(self): toplevel = QtGui.qApp.topLevelWidgets() for i in toplevel: if i.metaObject().className() == "Gui::MainWindow": return i raise RuntimeError("No main window found") def widget(self, class_id, name): """Return the selected widget. Keyword arguments: class_id -- Class identifier name -- Name of the widget """ mw = self.getMainWindow() form = mw.findChild(QtGui.QWidget, "TaskPanel") return form.findChild(class_id, name) def initValues(self): """ Set initial values for fields """ # Look for selected loading conditions (Spreadsheets) self.lc = None selObjs = Gui.Selection.getSelection() if not selObjs: msg = QtGui.QApplication.translate( "ship_console", "A loading condition instance must be selected before using" " this tool (no objects selected)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n') return True for i in range(len(selObjs)): obj = selObjs[i] try: if obj.TypeId != 'Spreadsheet::Sheet': continue except ValueError: continue # Check if it is a Loading condition: # B1 cell must be a ship # B2 cell must be the loading condition itself doc = App.ActiveDocument try: if obj not in doc.getObjectsByLabel(obj.get('B2')): continue ships = doc.getObjectsByLabel(obj.get('B1')) if len(ships) != 1: if len(ships) == 0: msg = QtGui.QApplication.translate( "ship_console", "Wrong Ship label! (no instances labeled as" "'{}' found)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n'.format( obj.get('B1'))) else: msg = QtGui.QApplication.translate( "ship_console", "Ambiguous Ship label! ({} instances labeled as" "'{}' found)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n'.format( len(ships), obj.get('B1'))) continue ship = ships[0] if ship is None or not ship.PropertiesList.index("IsShip"): continue except ValueError: continue # Extract the weights and the tanks weights = [] index = 6 while True: try: ws = doc.getObjectsByLabel(obj.get('A{}'.format(index))) except ValueError: break index += 1 if len(ws) != 1: if len(ws) == 0: msg = QtGui.QApplication.translate( "ship_console", "Wrong Weight label! (no instances labeled as" "'{}' found)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n'.format( obj.get('A{}'.format(index - 1)))) else: msg = QtGui.QApplication.translate( "ship_console", "Ambiguous Weight label! ({} instances labeled as" "'{}' found)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n'.format( len(ws), obj.get('A{}'.format(index - 1)))) continue w = ws[0] try: if w is None or not w.PropertiesList.index("IsWeight"): msg = QtGui.QApplication.translate( "ship_console", "Invalid Weight! (the object labeled as" "'{}' is not a weight)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n'.format( len(ws), obj.get('A{}'.format(index - 1)))) continue except ValueError: continue weights.append(w) tanks = [] index = 6 while True: try: ts = doc.getObjectsByLabel(obj.get('C{}'.format(index))) dens = float(obj.get('D{}'.format(index))) level = float(obj.get('E{}'.format(index))) except ValueError: break index += 1 if len(ts) != 1: if len(ts) == 0: msg = QtGui.QApplication.translate( "ship_console", "Wrong Tank label! (no instances labeled as" "'{}' found)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n'.format( obj.get('C{}'.format(index - 1)))) else: msg = QtGui.QApplication.translate( "ship_console", "Ambiguous Tank label! ({} instances labeled as" "'{}' found)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n'.format( len(ts), obj.get('C{}'.format(index - 1)))) continue t = ts[0] try: if t is None or not t.PropertiesList.index("IsTank"): msg = QtGui.QApplication.translate( "ship_console", "Invalid Tank! (the object labeled as" "'{}' is not a tank)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n'.format( len(ws), obj.get('C{}'.format(index - 1)))) continue except ValueError: continue tanks.append((t, dens, level)) # Let's see if several loading conditions have been selected (and # prompt a warning) if self.lc: msg = QtGui.QApplication.translate( "ship_console", "More than one loading condition have been selected (the" " extra loading conditions will be ignored)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintWarning(msg + '\n') break self.lc = obj self.ship = ship self.weights = weights self.tanks = tanks if not self.lc: msg = QtGui.QApplication.translate( "ship_console", "A loading condition instance must be selected before using" " this tool (no valid loading condition found at the selected" " objects)", None, QtGui.QApplication.UnicodeUTF8) App.Console.PrintError(msg + '\n') return True # We have a valid loading condition, let's set the initial field values angle_format = USys.getAngleFormat() mw = self.getMainWindow() form = mw.findChild(QtGui.QWidget, "TaskPanel") form.angle = self.widget(QtGui.QLineEdit, "Angle") form.n_points = self.widget(QtGui.QSpinBox, "NumPoints") form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim") form.angle.setText(Locale.toString(angle_format.format(90.0))) # Try to use saved values props = self.ship.PropertiesList try: props.index("GZAngle") form.angle.setText(Locale.toString(angle_format.format( self.ship.GZAngle.getValueAs( USys.getAngleUnits()).Value))) except: pass try: props.index("GZNumPoints") form.n_points.setValue(self.ship.GZNumPoints) except ValueError: pass try: props.index("GZVariableTrim") if self.ship.GZVariableTrim: form.var_trim.setCheckState(QtCore.Qt.Checked) else: form.var_trim.setCheckState(QtCore.Qt.Unchecked) except ValueError: pass return False def retranslateUi(self): """ Set user interface locale strings. """ mw = self.getMainWindow() form = mw.findChild(QtGui.QWidget, "TaskPanel") form.setWindowTitle(QtGui.QApplication.translate( "ship_gz", "Plot the GZ curve", None, QtGui.QApplication.UnicodeUTF8)) self.widget(QtGui.QLabel, "AngleLabel").setText( QtGui.QApplication.translate( "ship_gz", "Maximum angle", None, QtGui.QApplication.UnicodeUTF8)) self.widget(QtGui.QLabel, "NumPointsLabel").setText( QtGui.QApplication.translate( "ship_gz", "Number of points", None, QtGui.QApplication.UnicodeUTF8)) self.widget(QtGui.QCheckBox, "VariableTrim").setText( QtGui.QApplication.translate( "ship_gz", "Variable trim", None, QtGui.QApplication.UnicodeUTF8)) self.widget(QtGui.QCheckBox, "VariableTrim").setToolTip( QtGui.QApplication.translate( "ship_gz", "The ship will be rotated to the equilibrium trim angle for" + \ " each roll angle. It will significantly increase the" + \ " required computing time", None, QtGui.QApplication.UnicodeUTF8)) def save(self): """ Saves the data into ship instance. """ mw = self.getMainWindow() form = mw.findChild(QtGui.QWidget, "TaskPanel") form.angle = self.widget(QtGui.QLineEdit, "Angle") form.n_points = self.widget(QtGui.QSpinBox, "NumPoints") form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim") angle = Units.Quantity(Locale.fromString( form.angle.text())).getValueAs('deg').Value n_points = form.n_points.value() var_trim = form.var_trim.isChecked() props = self.ship.PropertiesList try: props.index("GZAngle") except ValueError: try: tooltip = str(QtGui.QApplication.translate( "ship_gz", "GZ curve tool angle selected [deg]", None, QtGui.QApplication.UnicodeUTF8)) except: tooltip = "GZ curve tool angle selected [deg]" self.ship.addProperty("App::PropertyAngle", "GZAngle", "Ship", tooltip) self.ship.GZAngle = '{} deg'.format(angle) try: props.index("GZNumPoints") except ValueError: try: tooltip = str(QtGui.QApplication.translate( "ship_areas", "GZ curve tool number of points selected", None, QtGui.QApplication.UnicodeUTF8)) except: tooltip = "GZ curve tool number of points selected" self.ship.addProperty("App::PropertyInteger", "GZNumPoints", "Ship", tooltip) self.ship.GZNumPoints = n_points try: props.index("GZVariableTrim") except ValueError: try: tooltip = str(QtGui.QApplication.translate( "ship_areas", "GZ curve tool variable trim angle selection", None, QtGui.QApplication.UnicodeUTF8)) except: tooltip = "GZ curve tool variable trim angle selection" self.ship.addProperty("App::PropertyBool", "GZVariableTrim", "Ship", tooltip) self.ship.GZVariableTrim = var_trim def createTask(): panel = TaskPanel() Gui.Control.showDialog(panel) if panel.setupUi(): Gui.Control.closeDialog(panel) return None return panel