def OnAddFilter(self, ft, event = None):
"""
Add given filter to current filter bank.
Parameters:
ft - filter (Filter)
event - wx.Event
"""
# add filter selected in menu
modules = GetModules(self.dim)
idx = modules.index(ft.__class__)
if ft.set_filter(self):
# if filter 'set' procedure succeeded, add filter to list in adequate position
itm = self.list.HitTest(self.menuPosition)
if itm[0]==-1: # test if click didn't occur above an item
pos = self.list.GetItemCount()
if self.list.GetFirstSelected()>-1: # if not, test if one list item is selected
pos = self.list.GetFirstSelected()
else: # otherwise, insert before clicked item
pos = itm[0]
self.list.InsertImageStringItem(pos,ft.__extname__,idx)
self.bank.InsertFilter(pos, ft)
# update reference plot if necessary, update display
self.UpdateFilterDisplay()
self.OnFilterUpdate()
def RefreshFilters(self, inst=None):
"""
Refresh displayed filter list.
Parameters:
inst - pubsub event data (FilterBank)
"""
if inst!=None:
if inst!=self.bank: return
# store currently selected items
sels = []
itm = self.list.GetFirstSelected()
while itm>-1:
sels.append(itm)
itm = self.list.GetNextSelected(itm)
# rebuild filter list
modules = GetModules(self.dim)
self.list.DeleteAllItems()
if not(isinstance(self.bank,FilterBank)): return
for ft in self.bank.filters:
if modules.count(ft.__class__)>0:
n = modules.index(ft.__class__)
self.list.InsertImageStringItem(self.list.GetItemCount(),ft.name,n)
f = self.list.GetItemFont(self.list.GetItemCount()-1)
f.SetPointSize(10)
if ft.is_active:
f.SetStyle(wx.FONTSTYLE_NORMAL)
else:
f.SetStyle(wx.FONTSTYLE_ITALIC)
self.list.SetItemFont(self.list.GetItemCount()-1,f)
# select previously selected items
for x in sels:
self.list.Select(x, True)
