mirror of
https://github.com/jdegenstein/jmwright-CQ-Editor.git
synced 2025-12-19 14:14:13 +01:00
390 lines
13 KiB
Python
390 lines
13 KiB
Python
from PyQt5.QtWidgets import QTreeWidget, QTreeWidgetItem, QAction, QMenu, QWidget, QAbstractItemView
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from PyQt5.QtCore import Qt, pyqtSlot, pyqtSignal
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from pyqtgraph.parametertree import Parameter, ParameterTree
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from OCP.AIS import AIS_Line
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from OCP.Geom import Geom_Line
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from OCP.gp import gp_Dir, gp_Pnt, gp_Ax1
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from ..mixins import ComponentMixin
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from ..icons import icon
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from ..cq_utils import make_AIS, export, to_occ_color, is_obj_empty, get_occ_color
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from ..utils import splitter, layout, get_save_filename
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class TopTreeItem(QTreeWidgetItem):
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def __init__(self,*args,**kwargs):
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super(TopTreeItem,self).__init__(*args,**kwargs)
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class ObjectTreeItem(QTreeWidgetItem):
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props = [{'name': 'Name', 'type': 'str', 'value': ''},
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{'name': 'Color', 'type': 'color', 'value': "f4a824"},
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{'name': 'Alpha', 'type': 'float', 'value': 0, 'limits': (0,1), 'step': 1e-1},
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{'name': 'Visible', 'type': 'bool','value': True}]
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def __init__(self,
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name,
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ais=None,
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shape=None,
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shape_display=None,
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sig=None,
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alpha=0.,
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color='f4a824',
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**kwargs):
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super(ObjectTreeItem,self).__init__([name],**kwargs)
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self.setFlags( self.flags() | Qt.ItemIsUserCheckable)
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self.setCheckState(0,Qt.Checked)
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self.ais = ais
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self.shape = shape
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self.shape_display = shape_display
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self.sig = sig
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self.properties = Parameter.create(name='Properties',
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children=self.props)
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self.properties['Name'] = name
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self.properties['Alpha'] = ais.Transparency()
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self.properties['Color'] = get_occ_color(ais) if ais else color
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self.properties.sigTreeStateChanged.connect(self.propertiesChanged)
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def propertiesChanged(self,*args):
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self.setData(0,0,self.properties['Name'])
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self.ais.SetTransparency(self.properties['Alpha'])
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self.ais.SetColor(to_occ_color(self.properties['Color']))
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self.ais.Redisplay()
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if self.properties['Visible']:
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self.setCheckState(0,Qt.Checked)
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else:
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self.setCheckState(0,Qt.Unchecked)
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if self.sig:
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self.sig.emit()
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class CQRootItem(TopTreeItem):
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def __init__(self,*args,**kwargs):
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super(CQRootItem,self).__init__(['CQ models'],*args,**kwargs)
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class HelpersRootItem(TopTreeItem):
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def __init__(self,*args,**kwargs):
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super(HelpersRootItem,self).__init__(['Helpers'],*args,**kwargs)
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class ObjectTree(QWidget,ComponentMixin):
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name = 'Object Tree'
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_stash = []
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preferences = Parameter.create(name='Preferences',children=[
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{'name': 'Preserve properties on reload', 'type': 'bool', 'value': False},
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{'name': 'Clear all before each run', 'type': 'bool', 'value': True},
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{'name': 'STL precision','type': 'float', 'value': .1}])
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sigObjectsAdded = pyqtSignal([list],[list,bool])
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sigObjectsRemoved = pyqtSignal(list)
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sigCQObjectSelected = pyqtSignal(object)
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sigAISObjectsSelected = pyqtSignal(list)
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sigItemChanged = pyqtSignal(QTreeWidgetItem,int)
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sigObjectPropertiesChanged = pyqtSignal()
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def __init__(self,parent):
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super(ObjectTree,self).__init__(parent)
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self.tree = tree = QTreeWidget(self,
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selectionMode=QAbstractItemView.ExtendedSelection)
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self.properties_editor = ParameterTree(self)
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tree.setHeaderHidden(True)
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tree.setItemsExpandable(False)
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tree.setRootIsDecorated(False)
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tree.setContextMenuPolicy(Qt.ActionsContextMenu)
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#forward itemChanged singal
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tree.itemChanged.connect(\
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lambda item,col: self.sigItemChanged.emit(item,col))
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#handle visibility changes form tree
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tree.itemChanged.connect(self.handleChecked)
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self.CQ = CQRootItem()
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self.Helpers = HelpersRootItem()
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root = tree.invisibleRootItem()
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root.addChild(self.CQ)
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root.addChild(self.Helpers)
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tree.expandToDepth(1)
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self._export_STL_action = \
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QAction('Export as STL',
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self,
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enabled=False,
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triggered=lambda: \
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self.export('stl',
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self.preferences['STL precision']))
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self._export_STEP_action = \
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QAction('Export as STEP',
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self,
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enabled=False,
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triggered=lambda: \
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self.export('step'))
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self._clear_current_action = QAction(icon('delete'),
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'Clear current',
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self,
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enabled=False,
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triggered=self.removeSelected)
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self._toolbar_actions = \
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[QAction(icon('delete-many'),'Clear all',self,triggered=self.removeObjects),
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self._clear_current_action,]
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self.prepareMenu()
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tree.itemSelectionChanged.connect(self.handleSelection)
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tree.customContextMenuRequested.connect(self.showMenu)
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self.prepareLayout()
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def prepareMenu(self):
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self.tree.setContextMenuPolicy(Qt.CustomContextMenu)
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self._context_menu = QMenu(self)
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self._context_menu.addActions(self._toolbar_actions)
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self._context_menu.addActions((self._export_STL_action,
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self._export_STEP_action))
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def prepareLayout(self):
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self._splitter = splitter((self.tree,self.properties_editor),
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stretch_factors = (2,1),
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orientation=Qt.Vertical)
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layout(self,(self._splitter,),top_widget=self)
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self._splitter.show()
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def showMenu(self,position):
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self._context_menu.exec_(self.tree.viewport().mapToGlobal(position))
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def menuActions(self):
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return {'Tools' : [self._export_STL_action,
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self._export_STEP_action]}
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def toolbarActions(self):
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return self._toolbar_actions
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def addLines(self):
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origin = (0,0,0)
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ais_list = []
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for name,color,direction in zip(('X','Y','Z'),
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('red','lawngreen','blue'),
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((1,0,0),(0,1,0),(0,0,1))):
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line_placement = Geom_Line(gp_Ax1(gp_Pnt(*origin),
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gp_Dir(*direction)))
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line = AIS_Line(line_placement)
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line.SetColor(to_occ_color(color))
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self.Helpers.addChild(ObjectTreeItem(name,
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ais=line))
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ais_list.append(line)
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self.sigObjectsAdded.emit(ais_list)
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def _current_properties(self):
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current_params = {}
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for i in range(self.CQ.childCount()):
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child = self.CQ.child(i)
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current_params[child.properties['Name']] = child.properties
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return current_params
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def _restore_properties(self,obj,properties):
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for p in properties[obj.properties['Name']]:
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obj.properties[p.name()] = p.value()
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@pyqtSlot(dict,bool)
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@pyqtSlot(dict)
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def addObjects(self,objects,clean=False,root=None):
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if root is None:
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root = self.CQ
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request_fit_view = True if root.childCount() == 0 else False
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preserve_props = self.preferences['Preserve properties on reload']
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if preserve_props:
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current_props = self._current_properties()
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if clean or self.preferences['Clear all before each run']:
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self.removeObjects()
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ais_list = []
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#remove empty objects
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objects_f = {k:v for k,v in objects.items() if not is_obj_empty(v.shape)}
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for name,obj in objects_f.items():
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ais,shape_display = make_AIS(obj.shape,obj.options)
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child = ObjectTreeItem(name,
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shape=obj.shape,
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shape_display=shape_display,
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ais=ais,
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sig=self.sigObjectPropertiesChanged)
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if preserve_props and name in current_props:
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self._restore_properties(child,current_props)
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if child.properties['Visible']:
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ais_list.append(ais)
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root.addChild(child)
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if request_fit_view:
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self.sigObjectsAdded[list,bool].emit(ais_list,True)
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else:
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self.sigObjectsAdded[list].emit(ais_list)
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@pyqtSlot(object,str,object)
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def addObject(self,obj,name='',options={}):
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root = self.CQ
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ais,shape_display = make_AIS(obj, options)
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root.addChild(ObjectTreeItem(name,
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shape=obj,
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shape_display=shape_display,
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ais=ais,
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sig=self.sigObjectPropertiesChanged))
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self.sigObjectsAdded.emit([ais])
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@pyqtSlot(list)
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@pyqtSlot()
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def removeObjects(self,objects=None):
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if objects:
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removed_items_ais = [self.CQ.takeChild(i).ais for i in objects]
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else:
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removed_items_ais = [ch.ais for ch in self.CQ.takeChildren()]
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self.sigObjectsRemoved.emit(removed_items_ais)
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@pyqtSlot(bool)
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def stashObjects(self,action : bool):
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if action:
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self._stash = self.CQ.takeChildren()
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removed_items_ais = [ch.ais for ch in self._stash]
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self.sigObjectsRemoved.emit(removed_items_ais)
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else:
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self.removeObjects()
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self.CQ.addChildren(self._stash)
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ais_list = [el.ais for el in self._stash]
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self.sigObjectsAdded.emit(ais_list)
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@pyqtSlot()
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def removeSelected(self):
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ixs = self.tree.selectedIndexes()
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rows = [ix.row() for ix in ixs]
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self.removeObjects(rows)
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def export(self,export_type,precision=None):
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items = self.tree.selectedItems()
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# if CQ models is selected get all children
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if [item for item in items if item is self.CQ]:
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CQ = self.CQ
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shapes = [CQ.child(i).shape for i in range(CQ.childCount())]
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# otherwise collect all selected children of CQ
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else:
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shapes = [item.shape for item in items if item.parent() is self.CQ]
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fname = get_save_filename(export_type)
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if fname != '':
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export(shapes,export_type,fname,precision)
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@pyqtSlot()
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def handleSelection(self):
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items =self.tree.selectedItems()
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if len(items) == 0:
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self._export_STL_action.setEnabled(False)
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self._export_STEP_action.setEnabled(False)
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return
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# emit list of all selected ais objects (might be empty)
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ais_objects = [item.ais for item in items if item.parent() is self.CQ]
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self.sigAISObjectsSelected.emit(ais_objects)
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# handle context menu and emit last selected CQ object (if present)
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item = items[-1]
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if item.parent() is self.CQ:
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self._export_STL_action.setEnabled(True)
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self._export_STEP_action.setEnabled(True)
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self._clear_current_action.setEnabled(True)
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self.sigCQObjectSelected.emit(item.shape)
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self.properties_editor.setParameters(item.properties,
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showTop=False)
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self.properties_editor.setEnabled(True)
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elif item is self.CQ and item.childCount()>0:
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self._export_STL_action.setEnabled(True)
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self._export_STEP_action.setEnabled(True)
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else:
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self._export_STL_action.setEnabled(False)
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self._export_STEP_action.setEnabled(False)
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self._clear_current_action.setEnabled(False)
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self.properties_editor.setEnabled(False)
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self.properties_editor.clear()
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@pyqtSlot(list)
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def handleGraphicalSelection(self,shapes):
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self.tree.clearSelection()
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CQ = self.CQ
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for i in range(CQ.childCount()):
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item = CQ.child(i)
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for shape in shapes:
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if item.ais.Shape().IsEqual(shape):
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item.setSelected(True)
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@pyqtSlot(QTreeWidgetItem,int)
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def handleChecked(self,item,col):
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if type(item) is ObjectTreeItem:
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if item.checkState(0):
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item.properties['Visible'] = True
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else:
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item.properties['Visible'] = False
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