The code:
s = nuke.selectedNodes()
all_class = set([ n.Class() for n in nuke.selectedNodes() ]) #I
use a set to remove duplicate
menu = nuke.thisNode()['menu']
menu.setValues(list(all_class))
Then , to drive another pulldown, you would need to drive it with
a knobchanged callback. The knobchanged will trigger an action
everytime the specified knob is changed. So for exemple, if you
want to show a message box everytime "Blur" is selected in the
menu, just run this script while the noop is selected:
s = nuke.selectedNode()
s['knobChanged'].setValue('''
if nuke.thisNode()['menu'].value() == "Blur" and
nuke.thisKnob().name() == "menu":
nuke.message("Blur is selected!")
''')
The node:
set cut_paste_input [stack 0]
version 6.3 v4
push $cut_paste_input
NoOp {
name NoOp1
knobChanged "\n\nif nuke.thisNode()\['menu'].value() == \"Blur\"
and nuke.thisKnob().name() == \"menu\":\n nuke.message(\"Blur
is selected!\")\n\n"
selected true
xpos -103
ypos -106
addUserKnob {20 User}
addUserKnob {22 Go T "s = nuke.selectedNodes()\nall_class =
set(\[ n.Class() for n in nuke.selectedNodes() ])\nmenu =
nuke.thisNode()\['menu']\nmenu.setValues(list(all_class))"
+STARTLINE}
addUserKnob {4 menu M {Grade NoOp ColorCorrect Transform Blur}}
menu Blur
}
Hope this helps
On Thu, Jul 26, 2012, at 14:57, ae.branton wrote:
Hey me again... sorry, trying to learn.
i was wondering if there is a way to drive a pull down choice
menu with python. For instance lets say i add a pulldown choice
box to a noop, and leave it blank.
Then i have a python script button that looks at the selected
nodes, gets their class, then lists the node class as an option
in the pulldown menu.
Then when you select a node class another pulldown menu lists all
available knobs on that node.
and so on. Is this possible?
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--
Hugo Léveillé
TD Compositing, Vision Globale
[email protected]
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