Fixed up parametertree.saveState() and restoreState() methods
This commit is contained in:
parent
0f97ac77e2
commit
0ee255acfb
@ -81,7 +81,6 @@ class TextParameterItem(pTypes.WidgetParameterItem):
|
||||
return self.textBox
|
||||
|
||||
class TextParameter(Parameter):
|
||||
type = 'text'
|
||||
itemClass = TextParameterItem
|
||||
|
||||
registerParameterType('text', TextParameter)
|
||||
@ -151,7 +150,9 @@ t2.setParameters(p, showTop=False)
|
||||
t2.show()
|
||||
t2.resize(400,600)
|
||||
|
||||
|
||||
## test save/restore
|
||||
s = p.saveState()
|
||||
p.restoreState(s)
|
||||
|
||||
|
||||
## Start Qt event loop unless running in interactive mode or using pyside.
|
||||
|
@ -70,6 +70,7 @@ class Parameter(QtCore.QObject):
|
||||
QtCore.QObject.__init__(self)
|
||||
|
||||
self.opts = {
|
||||
'type': None,
|
||||
'readonly': False,
|
||||
'visible': True,
|
||||
'enabled': True,
|
||||
@ -130,6 +131,9 @@ class Parameter(QtCore.QObject):
|
||||
self.sigNameChanged.emit(self, name)
|
||||
return name
|
||||
|
||||
def type(self):
|
||||
return self.opts['type']
|
||||
|
||||
def childPath(self, child):
|
||||
"""
|
||||
Return the path of parameter names from self to child.
|
||||
@ -171,15 +175,80 @@ class Parameter(QtCore.QObject):
|
||||
return vals
|
||||
|
||||
def saveState(self):
|
||||
"""Return a structure representing the entire state of the parameter tree."""
|
||||
"""
|
||||
Return a structure representing the entire state of the parameter tree.
|
||||
The tree state may be restored from this structure using restoreState()
|
||||
"""
|
||||
state = self.opts.copy()
|
||||
state['children'] = {ch.name(): ch.saveState() for ch in self}
|
||||
state['children'] = [ch.saveState() for ch in self]
|
||||
return state
|
||||
|
||||
def restoreState(self, state, recursive=True, addChildren=True, removeChildren=True):
|
||||
"""
|
||||
Restore the state of this parameter and its children from a structure generated using saveState()
|
||||
If recursive is True, then attempt to restore the state of child parameters as well.
|
||||
If addChildren is True, then any children which are referenced in the state object will be
|
||||
created if they do not already exist.
|
||||
If removeChildren is True, then any children which are not referenced in the state object will
|
||||
be removed.
|
||||
"""
|
||||
childState = state.get('children', [])
|
||||
self.setOpts(**state)
|
||||
|
||||
if not recursive:
|
||||
return
|
||||
|
||||
ptr = 0 ## pointer to first child that has not been restored yet
|
||||
foundChilds = set()
|
||||
#print "==============", self.name()
|
||||
for ch in childState:
|
||||
name = ch['name']
|
||||
typ = ch['type']
|
||||
#print('child: %s, %s' % (self.name()+'.'+name, typ))
|
||||
|
||||
## First, see if there is already a child with this name and type
|
||||
gotChild = False
|
||||
for i, ch2 in enumerate(self.childs[ptr:]):
|
||||
#print ch2, ch2.name, ch2.type
|
||||
if ch2.name() != name or ch2.type() != typ:
|
||||
continue
|
||||
gotChild = True
|
||||
#print " found it"
|
||||
if i != 0: ## move parameter to next position
|
||||
self.removeChild(ch2)
|
||||
self.insertChild(ptr, ch2)
|
||||
#print " moved to position", ptr
|
||||
ch2.restoreState(ch, recursive=recursive, addChildren=addChildren, removeChildren=removeChildren)
|
||||
foundChilds.add(ch2)
|
||||
|
||||
break
|
||||
|
||||
if not gotChild:
|
||||
if not addChildren:
|
||||
#print " ignored child"
|
||||
continue
|
||||
#print " created new"
|
||||
ch2 = Parameter.create(**ch)
|
||||
self.insertChild(ptr, ch2)
|
||||
foundChilds.add(ch2)
|
||||
|
||||
ptr += 1
|
||||
|
||||
if removeChildren:
|
||||
for ch in self:
|
||||
if ch not in foundChilds:
|
||||
#print " remove:", ch
|
||||
self.removeChild(ch)
|
||||
|
||||
|
||||
|
||||
|
||||
def defaultValue(self):
|
||||
return self.opts['default']
|
||||
|
||||
def setDefault(self, val):
|
||||
if self.opts['default'] == val:
|
||||
return
|
||||
self.opts['default'] = val
|
||||
self.sigDefaultChanged.emit(self, val)
|
||||
|
||||
|
@ -366,7 +366,6 @@ class GroupParameter(Parameter):
|
||||
of child parameters. It also provides a simple mechanism for displaying a button or combo
|
||||
that can be used to add new parameters to the group.
|
||||
"""
|
||||
type = 'group'
|
||||
itemClass = GroupParameterItem
|
||||
|
||||
def addNew(self, typ=None):
|
||||
@ -457,7 +456,6 @@ class ListParameterItem(WidgetParameterItem):
|
||||
|
||||
|
||||
class ListParameter(Parameter):
|
||||
type = 'list'
|
||||
itemClass = ListParameterItem
|
||||
|
||||
def __init__(self, **opts):
|
||||
|
Loading…
Reference in New Issue
Block a user