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Add ability to flush cached children to support dynamic trees

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This commit is contained in:
Mark Mine 2003-11-11 01:57:00 +00:00
parent 80862fe41a
commit 03e8cbc717
2 changed files with 8 additions and 8 deletions
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4
direct/src/tkwidgets/SceneGraphExplorer.py
View File

@ -85,9 +85,9 @@ class SceneGraphExplorer(Pmw.MegaWidget, PandaObject):
# Check keywords and initialise options based on input values.
self.initialiseoptions(SceneGraphExplorer)
def update(self):
def update(self, fUseCachedChildren = 1):
""" Refresh scene graph explorer """
self._node.update()
self._node.update(fUseCachedChildren)
def mouse2Down(self, event):
self._width = 1.0 * self._canvas.winfo_width()

12
direct/src/tkwidgets/Tree.py
View File

@ -181,20 +181,20 @@ class TreeNode:
else:
return self
def update(self):
def update(self, fUseCachedChildren = 1):
if self.parent:
self.parent.update()
self.parent.update(fUseCachedChildren)
else:
oldcursor = self.canvas['cursor']
self.canvas['cursor'] = "watch"
self.canvas.update()
self.canvas.delete(ALL) # XXX could be more subtle
self.draw(7, 2)
self.draw(7, 2, fUseCachedChildren)
x0, y0, x1, y1 = self.canvas.bbox(ALL)
self.canvas.configure(scrollregion=(0, 0, x1, y1))
self.canvas['cursor'] = oldcursor
def draw(self, x, y):
def draw(self, x, y, fUseCachedChildren = 1):
# XXX This hard-codes too many geometry constants!
self.x, self.y = x, y
self.drawicon()
@ -209,7 +209,7 @@ class TreeNode:
self.kidKeys = []
for item in sublist:
key = item.GetKey()
if self.children.has_key(key):
if fUseCachedChildren and self.children.has_key(key):
child = self.children[key]
else:
child = TreeNode(self.canvas, self, item, self.menuList)
@ -226,7 +226,7 @@ class TreeNode:
child = self.children[key]
cylast = cy
self.canvas.create_line(x+9, cy+7, cx, cy+7, fill="gray50")
cy = child.draw(cx, cy)
cy = child.draw(cx, cy, fUseCachedChildren)
if child.item.IsExpandable():
if child.state == 'expanded':
iconname = "minusnode"