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#
# Copyright (c) 2002-2004 Art Haas
#
# This file is part of PythonCAD.
#
# PythonCAD is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PythonCAD 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with PythonCAD; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Subclass of NSOutlineView, used to diplay layers in image
#
from PythonCAD.Interface.Cocoa import Globals
import PythonCAD.Generic.layer
from AppKit import NSOutlineView, NSMenu, NSMenuItem
class LayerOutlineView(NSOutlineView):
""" Subclass of NSOutlineView, used to display layers
The purpose of the subclass is primarily to allow custom
context menus for the layer items.
"""
def menuForEvent_(self, event):
_point = self.convertPoint_fromView_(event.locationInWindow(), None)
_index = self.rowAtPoint_(_point)
if -1 == _index:
return None
if not self.isRowSelected_(_index):
self.selectRow_byExtendingSelection_(_index, False)
_item = self.itemAtRow_(_index)
_layer = Globals.unwrap(_item)
if not isinstance(_layer, PythonCAD.Generic.layer.Layer):
raise TypeError, "Invalid Layer: " + `_layer`
_menu = NSMenu.alloc().initWithTitle_("Context")
_menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_("Rename", "EditLayerName:", "")
_menu.addItem_(_menuItem)
if _layer.isVisible():
_menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_("Hide", "HideLayer:", "")
else:
_menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_("Show", "ShowLayer:", "")
_menuItem.setRepresentedObject_(_item)
_menu.addItem_(_menuItem)
_menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_("Add Child Layer", "AddChildLayer:", "")
_menuItem.setRepresentedObject_(_item)
_menu.addItem_(_menuItem)
_menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_("Clear", "ClearLayer:", "")
_menuItem.setRepresentedObject_(_item)
_menu.addItem_(_menuItem)
if _layer.hasChildren():
_menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_("Hide Children", "HideChildLayers:", "")
_menuItem.setRepresentedObject_(_item)
_menu.insertItem_atIndex_(_menuItem, 3)
_menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_("Show Children", "ShowChildLayers:", "")
_menuItem.setRepresentedObject_(_item)
_menu.insertItem_atIndex_(_menuItem, 4)
elif _layer.getParentLayer() is not None:
_menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_("Delete", "DeleteLayer:", "")
_menuItem.setRepresentedObject_(_item)
_menu.addItem_(_menuItem)
return _menu
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