def __init__(self, parent = None, nodePath = render, **kw):
# Define the megawidget options.
optiondefs = (
('menuItems', [], Pmw.INITOPT),
)
self.defineoptions(kw, optiondefs)
# Initialise superclass
Pmw.MegaWidget.__init__(self, parent)
# Initialize some class variables
self.nodePath = nodePath
# Create the components.
# Setup up container
interior = self.interior()
interior.configure(relief = Tkinter.GROOVE, borderwidth = 2)
# Create a label and an entry
self._scrolledCanvas = self.createcomponent(
'scrolledCanvas',
(), None,
Pmw.ScrolledCanvas, (interior,),
hull_width = 200, hull_height = 300,
usehullsize = 1)
self._canvas = self._scrolledCanvas.component('canvas')
self._canvas['scrollregion'] = ('0i', '0i', '2i', '4i')
self._scrolledCanvas.resizescrollregion()
self._scrolledCanvas.pack(padx = 3, pady = 3, expand=1, fill = Tkinter.BOTH)
self._canvas.bind('<ButtonPress-2>', self.mouse2Down)
self._canvas.bind('<B2-Motion>', self.mouse2Motion)
self._canvas.bind('<Configure>',
lambda e, sc = self._scrolledCanvas:
sc.resizescrollregion())
self.interior().bind('<Destroy>', self.onDestroy)
# Create the contents
self._treeItem = SceneGraphExplorerItem(self.nodePath)
self._node = TreeNode(self._canvas, None, self._treeItem,
DEFAULT_MENU_ITEMS + self['menuItems'])
self._node.expand()
self._parentFrame = Frame(interior)
self._label = self.createcomponent(
'parentLabel',
(), None,
Label, (interior,),
text = 'Active Reparent Target: ',
anchor = Tkinter.W, justify = Tkinter.LEFT)
self._label.pack(fill = Tkinter.X)
# Add update parent label
def updateLabel(nodePath = None, s = self):
s._label['text'] = 'Active Reparent Target: ' + nodePath.getName()
self.accept('DIRECT_activeParent', updateLabel)
# Add update hook
self.accept('SGE_Update Explorer',
lambda np, s = self: s.update())
# Check keywords and initialise options based on input values.
self.initialiseoptions(seSceneGraphExplorer)
class seSceneGraphExplorer(Pmw.MegaWidget, DirectObject):
"Graphical display of a scene graph"
def __init__(self, parent = None, nodePath = render, **kw):
# Define the megawidget options.
optiondefs = (
('menuItems', [], Pmw.INITOPT),
)
self.defineoptions(kw, optiondefs)
# Initialise superclass
Pmw.MegaWidget.__init__(self, parent)
# Initialize some class variables
self.nodePath = nodePath
# Create the components.
# Setup up container
interior = self.interior()
interior.configure(relief = Tkinter.GROOVE, borderwidth = 2)
# Create a label and an entry
self._scrolledCanvas = self.createcomponent(
'scrolledCanvas',
(), None,
Pmw.ScrolledCanvas, (interior,),
hull_width = 200, hull_height = 300,
usehullsize = 1)
self._canvas = self._scrolledCanvas.component('canvas')
self._canvas['scrollregion'] = ('0i', '0i', '2i', '4i')
self._scrolledCanvas.resizescrollregion()
self._scrolledCanvas.pack(padx = 3, pady = 3, expand=1, fill = Tkinter.BOTH)
self._canvas.bind('<ButtonPress-2>', self.mouse2Down)
self._canvas.bind('<B2-Motion>', self.mouse2Motion)
self._canvas.bind('<Configure>',
lambda e, sc = self._scrolledCanvas:
sc.resizescrollregion())
self.interior().bind('<Destroy>', self.onDestroy)
# Create the contents
self._treeItem = SceneGraphExplorerItem(self.nodePath)
self._node = TreeNode(self._canvas, None, self._treeItem,
DEFAULT_MENU_ITEMS + self['menuItems'])
self._node.expand()
self._parentFrame = Frame(interior)
self._label = self.createcomponent(
'parentLabel',
(), None,
Label, (interior,),
text = 'Active Reparent Target: ',
anchor = Tkinter.W, justify = Tkinter.LEFT)
self._label.pack(fill = Tkinter.X)
# Add update parent label
def updateLabel(nodePath = None, s = self):
s._label['text'] = 'Active Reparent Target: ' + nodePath.getName()
self.accept('DIRECT_activeParent', updateLabel)
# Add update hook
self.accept('SGE_Update Explorer',
lambda np, s = self: s.update())
# Check keywords and initialise options based on input values.
self.initialiseoptions(seSceneGraphExplorer)
def update(self):
""" Refresh scene graph explorer """
self._node.update()
def mouse2Down(self, event):
self._width = 1.0 * self._canvas.winfo_width()
self._height = 1.0 * self._canvas.winfo_height()
xview = self._canvas.xview()
yview = self._canvas.yview()
self._left = xview[0]
self._top = yview[0]
self._dxview = xview[1] - xview[0]
self._dyview = yview[1] - yview[0]
self._2lx = event.x
self._2ly = event.y
def mouse2Motion(self,event):
newx = self._left - ((event.x - self._2lx)/self._width) * self._dxview
self._canvas.xview_moveto(newx)
newy = self._top - ((event.y - self._2ly)/self._height) * self._dyview
self._canvas.yview_moveto(newy)
self._2lx = event.x
self._2ly = event.y
self._left = self._canvas.xview()[0]
self._top = self._canvas.yview()[0]
def onDestroy(self, event):
# Remove hooks
self.ignore('DIRECT_activeParent')
self.ignore('SGE_Update Explorer')
def deSelectTree(self):
self._node.deselecttree()
def selectNodePath(self,nodePath, callBack=True):
item = self._node.find(nodePath.id())
if item!= None:
item.select(callBack)
else:
print '----SGE: Error Selection'
