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shard page cleanup

This commit is contained in:
cxgeorge 2002-12-04 05:21:46 +00:00
parent d1b1a356fc
commit c50cb2aa00
1 changed files with 48 additions and 13 deletions
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61
direct/src/gui/DirectScrolledList.py
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@ -8,11 +8,11 @@ class DirectScrolledList(DirectFrame):
self.index = 0
self.forceHeight = None
# If one were to want a scrolledList that makes and adds its items
# as needed, simply pass in an items list of strings (type 'str')
# and when that item is needed, itemMakeFunction will be called
# with the text, the index, and itemMakeExtraArgs. If itemMakeFunction
# is not specified, it will create a DirectFrame with the text.
""" If one were to want a scrolledList that makes and adds its items
as needed, simply pass in an items list of strings (type 'str')
and when that item is needed, itemMakeFunction will be called
with the text, the index, and itemMakeExtraArgs. If itemMakeFunction
is not specified, it will create a DirectFrame with the text."""
# if 'items' is a list of strings, make a copy for our use
# so we can modify it without mangling the user's list
@ -24,6 +24,8 @@ class DirectScrolledList(DirectFrame):
# we get here if every item in 'items' is a string
# make a copy
kw['items'] = kw['items'][:]
self.nextItemID = 10
# Inherits from DirectFrame
optiondefs = (
@ -95,14 +97,36 @@ class DirectScrolledList(DirectFrame):
DirectFrame.destroy(self)
def scrollBy(self, delta):
# print "scrollBy[",delta,"]"
return self.scrollTo(self.index + delta)
def scrollTo(self, index):
self.index = index
def getItemIndexForItemID(self, itemID):
#for i in range(len(self["items"])):
# print "buttontext[",i,"]",self["items"][i]["text"]
for i in range(len(self["items"])):
if(self["items"][i].itemID == itemID):
return i
print "warning: getItemIndexForItemID: item not found!"
return 0
def scrollToItemID(self, itemID, centered=0):
self.scrollTo(self.getItemIndexForItemID(itemID), centered)
""" scrolls list so selected index is at top, or centered in box"""
def scrollTo(self, index, centered=0):
# print "scrollTo[",index,"] called, len(self[items])=",len(self["items"])," self[numItemsVisible]=",self["numItemsVisible"]
numItemsVisible=self["numItemsVisible"]
numItemsTotal = len(self["items"])
if(centered):
self.index = index - (numItemsVisible/2)
else:
self.index = index
# Not enough items to even worry about scrolling,
# just disable the buttons and do nothing
if (len(self["items"]) <= self["numItemsVisible"]):
if (len(self["items"]) <= numItemsVisible):
self.incButton['state'] = DISABLED
self.decButton['state'] = DISABLED
# Hmm.. just reset self.index to 0 and bail out
@ -114,8 +138,9 @@ class DirectScrolledList(DirectFrame):
self.decButton['state'] = DISABLED
self.incButton['state'] = NORMAL
ret = 0
elif (self.index >= ( len(self["items"]) - self["numItemsVisible"])):
self.index = len(self["items"]) - self["numItemsVisible"]
elif (self.index >= (numItemsTotal - numItemsVisible)):
self.index = numItemsTotal - numItemsVisible
# print "at list end, ",len(self["items"])," ",self["numItemsVisible"]
self.incButton['state'] = DISABLED
self.decButton['state'] = NORMAL
ret = 0
@ -124,15 +149,18 @@ class DirectScrolledList(DirectFrame):
self.decButton['state'] = NORMAL
ret = 1
# print "self.index set to ",self.index
# Hide them all
for item in self["items"]:
if item.__class__.__name__ != 'str':
item.hide()
# Then show the ones in range, and stack their positions
upperRange = min(len(self["items"]), self["numItemsVisible"])
upperRange = min(numItemsTotal, numItemsVisible)
for i in range(self.index, self.index + upperRange):
item = self["items"][i]
#print "stacking buttontext[",i,"]",self["items"][i]["text"]
# If the item is a 'str', then it has not been created (scrolled list is 'as needed')
# Therefore, use the the function given to make it or just make it a frame
if item.__class__.__name__ == 'str':
@ -141,13 +169,14 @@ class DirectScrolledList(DirectFrame):
item = apply(self['itemMakeFunction'], (item, i, self['itemMakeExtraArgs']))
else:
item = DirectFrame(text = item, relief = None)
#print "str stacking buttontext[",i,"]",self["items"][i]["text"]
# Then add the newly formed item back into the normal item list
self["items"][i] = item
item.reparentTo(self.itemFrame)
self.recordMaxHeight()
item.show()
item.setPos(0,0, - (i - self.index) * self.maxHeight)
item.setPos(0,0, -(i-self.index) * self.maxHeight)
if self['command']:
# Pass any extra args to command
@ -189,18 +218,23 @@ class DirectScrolledList(DirectFrame):
"""
Add this string and extraArg to the list
"""
item.itemID = self.nextItemID
self.nextItemID += 1
self['items'].append(item)
if type(item) != type(''):
item.reparentTo(self.itemFrame)
if refresh:
self.refresh()
return item.itemID # to pass to scrollToItemID
def removeItem(self, item, refresh=1):
"""
Remove this item from the panel
"""
#print "remove item called", item
#print "items list", self['items']
if item in self["items"]:
#print "removing item", item
self["items"].remove(item)
if type(item) != type(''):
item.reparentTo(hidden)
@ -215,6 +249,7 @@ class DirectScrolledList(DirectFrame):
or changing properties that would effect the scrolling
"""
self.recordMaxHeight()
#print "refresh called"
self.scrollTo(self.index)
def getSelectedIndex(self):