def __init__(self, name):
Node.__init__(self, name, terminals={'In': {'io': 'in'}})
self.root = None
self.files = set()
self.lastInput = None
self.fileList = DirTreeWidget(checkState=False, allowMove=False, allowRename=False)
#QtCore.QObject.connect(self.fileList, QtCore.SIGNAL('itemChanged(QTreeWidgetItem*, int)'), self.itemChanged)
self.fileList.itemChanged.connect(self.itemChanged)
class SubtreeNode(Node):
"""Select files from within a directory. Input must be a DirHandle."""
nodeName = "Subtree"
def __init__(self, name):
Node.__init__(self, name, terminals={'In': {'io': 'in'}})
self.root = None
self.files = set()
self.lastInput = None
self.fileList = DirTreeWidget(checkState=False, allowMove=False, allowRename=False)
#QtCore.QObject.connect(self.fileList, QtCore.SIGNAL('itemChanged(QTreeWidgetItem*, int)'), self.itemChanged)
self.fileList.itemChanged.connect(self.itemChanged)
def process(self, In, display=True):
#print "subtree process", In
self.lastInput = In
if display:
if In is not self.root:
#self.removeAll()
self.fileList.blockSignals(True)
self.fileList.setBaseDirHandle(In)
self.root = In
for f in self.files:
if In.exists(f):
fh = In[f]
item = self.fileList.item(fh)
item.setChecked(True)
else:
self.files.remove(f)
self.fileList.blockSignals(False)
out = {}
for f in self.files:
f2 = In[f]
if f2.isFile():
out[f] = f2.read()
else:
out[f] = f2
return out
def ctrlWidget(self):
return self.fileList
def removeAll(self):
for f in self.files:
self.removeTerminal(f)
self.files = set()
def itemChanged(self, item):
fname = item.handle.name(relativeTo=self.root)
if item.checkState(0) == QtCore.Qt.Checked:
if fname not in self.files:
self.files.add(fname)
self.addOutput(fname)
else:
if fname in self.files:
self.files.remove(fname)
self.removeTerminal(fname)
self.update()
def saveState(self):
state = Node.saveState(self)
state['selected'] = list(self.files)
return state
def restoreState(self, state):
Node.restoreState(self, state)
self.files = set(state.get('selected', []))
for f in self.files:
self.addOutput(f)
