def treeStateChanged(self, param, changes):
## catch changes to 'sequence' so we can hide/show other params.
## Note: it would be easier to just catch self.sequence.sigValueChanged,
## but this approach allows us to block tree change events so they are all
## released as a single update.
with self.treeChangeBlocker():
## queue up change
SimpleParameter.treeStateChanged(self, param, changes)
## if needed, add some more changes before releasing the signal
for param, change, data in changes:
## if the sequence value changes, hide/show other parameters
if param is self.param('sequence') and change == 'value':
vis = self.visibleParams[self['sequence']]
for ch in self:
if ch.name() in vis:
ch.show()
else:
ch.hide()
def treeStateChanged(self, param, changes):
## catch changes to 'sequence' so we can hide/show other params.
## Note: it would be easier to just catch self.sequence.sigValueChanged,
## but this approach allows us to block tree change events so they are all
## released as a single update.
with self.treeChangeBlocker():
## queue up change
SimpleParameter.treeStateChanged(self, param, changes)
## if needed, add some more changes before releasing the signal
for param, change, data in changes:
## if the sequence value changes, hide/show other parameters
if param is self.param('sequence') and change == 'value':
vis = self.visibleParams[self['sequence']]
for ch in self:
if ch.name() in vis:
ch.show()
else:
ch.hide()