FreeCAD/src/Mod/Ship/shipOutlineDraw/TaskPanel.py

517 lines
19 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 FreeCAD as App
from FreeCAD import Base, Vector
import FreeCADGui as Gui
import Part
from PySide import QtGui, QtCore
import Preview
import Instance
from shipUtils import Paths
class TaskPanel:
def __init__(self):
self.ui = Paths.modulePath() + "/shipOutlineDraw/TaskPanel.ui"
self.ship = None
self.skip = False
self.LSections = []
self.BSections = []
self.TSections = []
self.obj = None
self.preview = Preview.Preview()
def accept(self):
self.saveSections()
# Add ship edges to the object
edges = self.getEdges([self.ship.Shape])
border = edges[0]
for i in range(len(edges)):
border = border.oldFuse(edges[i])
border = border.oldFuse(edges[i].mirror(Vector(0.0, 0.0, 0.0),
Vector(0.0, 1.0, 0.0)))
obj = border.oldFuse(self.obj.Shape)
# Send the generated object to the scene
Part.show(obj)
objs = App.ActiveDocument.Objects
self.obj = objs[len(objs) - 1]
self.preview.clean()
self.obj.Label = 'OutlineDraw'
return True
def getEdges(self, objs):
"""Return object edges (as a list)
"""
edges = []
if not objs:
return None
for i in range(len(objs)):
obj = objs[i]
if obj.isDerivedFrom('Part::Feature'):
# get shape
shape = obj.Shape
if not shape:
return None
obj = shape
if not obj.isDerivedFrom('Part::TopoShape'):
return None
objEdges = obj.Edges
if not objEdges:
continue
for j in range(0, len(objEdges)):
edges.append(objEdges[j])
return edges
def reject(self):
self.preview.clean()
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.sections = self.widget(QtGui.QTableWidget, "Sections")
try:
form.sections.setInputMethodHints(
QtCore.Qt.ImhFormattedNumbersOnly)
hasImhFormattedNumbersOnly = True
except:
hasImhFormattedNumbersOnly = False
form.sectionType = self.widget(QtGui.QComboBox, "SectionType")
form.deleteButton = self.widget(QtGui.QPushButton, "DeleteButton")
form.nSections = self.widget(QtGui.QSpinBox, "NSections")
form.createButton = self.widget(QtGui.QPushButton, "CreateButton")
self.form = form
# Initial values
if self.initValues():
return True
self.retranslateUi()
self.obj = self.preview.update(self.ship.Length.getValueAs('m').Value,
self.ship.Breadth.getValueAs('m').Value,
self.ship.Draft.getValueAs('m').Value,
self.LSections,
self.BSections,
self.TSections,
self.ship.Shape)
# Connect Signals and Slots
QtCore.QObject.connect(
form.sectionType,
QtCore.SIGNAL("activated(QString)"),
self.onSectionType)
QtCore.QObject.connect(
form.sections,
QtCore.SIGNAL("cellChanged(int,int)"),
self.onTableItem)
QtCore.QObject.connect(
form.deleteButton,
QtCore.SIGNAL("pressed()"),
self.onDeleteButton)
QtCore.QObject.connect(
form.createButton,
QtCore.SIGNAL("pressed()"),
self.onCreateButton)
def getMainWindow(self):
toplevel = QtGui.qApp.topLevelWidgets()
for i in toplevel:
if i.metaObject().className() == "Gui::MainWindow":
return i
raise Exception("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
"""
# Get selected objects
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before use this tool (no"
" objects selected)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
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 = QtGui.QApplication.translate(
"ship_console",
"More than one ship has been selected (just the first"
" one will be used)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintWarning(msg + '\n')
break
self.ship = obj
# Test if any valid ship was selected
if not self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before use this tool (no"
"valid ships found in the selected objects)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Load sections (if exist)
self.loadSections()
return False
def retranslateUi(self):
"""Set the user interface locale strings."""
self.form.setWindowTitle(QtGui.QApplication.translate(
"ship_outline",
"Outline draw",
None,
QtGui.QApplication.UnicodeUTF8))
self.widget(QtGui.QGroupBox, "AutoCreateBox").setTitle(
QtGui.QApplication.translate(
"ship_outline",
"Auto create",
None,
QtGui.QApplication.UnicodeUTF8))
self.widget(QtGui.QPushButton, "DeleteButton").setText(
QtGui.QApplication.translate(
"ship_outline",
"Delete all sections",
None,
QtGui.QApplication.UnicodeUTF8))
self.widget(QtGui.QPushButton, "CreateButton").setText(
QtGui.QApplication.translate(
"ship_outline",
"Create sections",
None,
QtGui.QApplication.UnicodeUTF8))
self.widget(QtGui.QComboBox, "SectionType").setItemText(
0,
QtGui.QApplication.translate(
"ship_outline",
"Transversal",
None,
QtGui.QApplication.UnicodeUTF8))
self.widget(QtGui.QComboBox, "SectionType").setItemText(
1,
QtGui.QApplication.translate(
"ship_outline",
"Longitudinal",
None,
QtGui.QApplication.UnicodeUTF8))
self.widget(QtGui.QComboBox, "SectionType").setItemText(
2,
QtGui.QApplication.translate(
"ship_outline",
"Water lines",
None,
QtGui.QApplication.UnicodeUTF8))
def onSectionType(self):
""" Function called when the section type is changed.
"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.sectionType = self.widget(QtGui.QComboBox, "SectionType")
ID = form.sectionType.currentIndex()
self.setSectionType(ID)
def setSectionType(self, ID):
""" Set the table depending on the selected section type.
@param ID Id of the section type to set:
- 0 = Transversal sections
- 1 = Longitudinal sections
- 2 = Water lines
"""
SectionList = []
if ID == 0:
SectionList = self.LSections[:]
elif ID == 1:
SectionList = self.BSections[:]
elif ID == 2:
SectionList = self.TSections[:]
nRow = len(SectionList)
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.sections = self.widget(QtGui.QTableWidget, "Sections")
form.sections.clearContents()
form.sections.setRowCount(nRow + 1)
self.skip = True
for i in range(0, nRow):
string = '{0}'.format(SectionList[i])
item = QtGui.QTableWidgetItem(string)
form.sections.setItem(i, 0, item)
self.skip = False
self.obj = self.preview.update(self.ship.Length.getValueAs('m').Value,
self.ship.Breadth.getValueAs('m').Value,
self.ship.Draft.getValueAs('m').Value,
self.LSections,
self.BSections,
self.TSections,
self.ship.Shape)
def onTableItem(self, row, column):
""" Function called when an item of the table is touched.
@param row Changed item row
@param column Changed item column
"""
if self.skip:
return
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.sections = self.widget(QtGui.QTableWidget, "Sections")
form.sectionType = self.widget(QtGui.QComboBox, "SectionType")
nRow = form.sections.rowCount()
item = form.sections.item(nRow - 1, 0)
if item:
if(item.text() != ''):
form.sections.setRowCount(nRow + 1)
# Ensure that the new introduced item is a number
ID = form.sectionType.currentIndex()
if ID == 0:
SectionList = self.LSections[:]
elif ID == 1:
SectionList = self.BSections[:]
elif ID == 2:
SectionList = self.TSections[:]
item = form.sections.item(row, column)
try:
if 'toFloat' in dir(item.text()):
(number, flag) = item.text().toFloat()
if not flag:
raise ValueError('The string cannot be converted into a'
' number')
else:
number = float(item.text())
except:
number = 0.0
string = '{}'.format(number)
item.setText(string)
# Regenerate the list
SectionList = []
for i in range(0, nRow):
item = form.sections.item(i, 0)
try:
if 'toFloat' in dir(item.text()):
(number, flag) = item.text().toFloat()
if not flag:
raise ValueError('The string cannot be converted into a'
' number')
else:
number = float(item.text())
except:
continue
SectionList.append(number)
# Paste it into the section type list
ID = form.sectionType.currentIndex()
if ID == 0:
self.LSections = SectionList[:]
elif ID == 1:
self.BSections = SectionList[:]
elif ID == 2:
self.TSections = SectionList[:]
self.obj = self.preview.update(self.ship.Length.getValueAs('m').Value,
self.ship.Breadth.getValueAs('m').Value,
self.ship.Draft.getValueAs('m').Value,
self.LSections,
self.BSections,
self.TSections,
self.ship.Shape)
def onDeleteButton(self):
""" Function called when the delete button is pressed.
All the sections of the active type must be erased therefore.
"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.sections = self.widget(QtGui.QTableWidget, "Sections")
form.sectionType = self.widget(QtGui.QComboBox, "SectionType")
form.sections.clearContents()
form.sections.setRowCount(1)
ID = form.sectionType.currentIndex()
if ID == 0:
self.LSections = []
elif ID == 1:
self.BSections = []
elif ID == 2:
self.TSections = []
self.setSectionType(ID)
def onCreateButton(self):
""" Function called when automatic creating button is pressed.
Several sections must be added to the active sections list
"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.sectionType = self.widget(QtGui.QComboBox, "SectionType")
form.nSections = self.widget(QtGui.QSpinBox, "NSections")
# Recolect data
nSections = form.nSections.value()
SectionList = []
L = 0.0
ID = form.sectionType.currentIndex()
if ID == 0:
L = self.ship.Length.getValueAs('m').Value
d = L / (nSections - 1)
start = - L / 2.0
elif ID == 1:
L = -0.5 * self.ship.Breadth.getValueAs('m').Value
d = L / (nSections + 1)
start = d
elif ID == 2:
L = self.ship.Draft.getValueAs('m').Value
d = L / (nSections)
start = d
# Compute the sections positions
for i in range(0, nSections):
sec = i * d + start
SectionList.append(sec)
# Paste it into the corresponding section list
if ID == 0:
self.LSections = SectionList[:]
elif ID == 1:
self.BSections = SectionList[:]
elif ID == 2:
self.TSections = SectionList[:]
self.setSectionType(ID)
def loadSections(self):
""" Loads from the ship object all the previously selected sections.
"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.sectionType = self.widget(QtGui.QComboBox, "SectionType")
# Load sections
props = self.ship.PropertiesList
flag = True
try:
props.index("LSections")
except ValueError:
flag = False
if flag:
self.LSections = self.ship.LSections[:]
self.BSections = self.ship.BSections[:]
self.TSections = self.ship.TSections[:]
# Set UI
self.setSectionType(form.sectionType.currentIndex())
def saveSections(self):
""" Save the selected sections into ship object.
"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
props = self.ship.PropertiesList
try:
props.index("LSections")
except ValueError:
tooltip = str(QtGui.QApplication.translate(
"ship_outline",
"Transversal section positions [m]",
None,
QtGui.QApplication.UnicodeUTF8))
self.ship.addProperty("App::PropertyFloatList",
"LSections",
"Ship",
tooltip).LSections = []
tooltip = str(QtGui.QApplication.translate(
"ship_outline",
"Longitudinal section positions [m]",
None,
QtGui.QApplication.UnicodeUTF8))
self.ship.addProperty("App::PropertyFloatList",
"BSections",
"Ship",
tooltip).BSections = []
tooltip = str(QtGui.QApplication.translate(
"ship_outline",
"Water line positions [m]",
None,
QtGui.QApplication.UnicodeUTF8))
self.ship.addProperty("App::PropertyFloatList",
"TSections",
"Ship",
tooltip).TSections = []
# Save the sections
self.ship.LSections = self.LSections[:]
self.ship.BSections = self.BSections[:]
self.ship.TSections = self.TSections[:]
def createTask():
panel = TaskPanel()
Gui.Control.showDialog(panel)
if panel.setupUi():
Gui.Control.closeDialog(panel)
return None
return panel