mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-29 06:32:40 -06:00
528 lines
20 KiB
Python
528 lines
20 KiB
Python
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"""Undocumented Module"""
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__all__ = ['DirectScrolledListItem', 'DirectScrolledList']
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from pandac.PandaModules import *
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import DirectGuiGlobals as DGG
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from direct.directnotify import DirectNotifyGlobal
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from direct.task.Task import Task
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from DirectFrame import *
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from DirectButton import *
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import string, types
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class DirectScrolledListItem(DirectButton):
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"""
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While you are not required to use a DirectScrolledListItem for a
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DirectScrolledList, doing so takes care of the highlighting and
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unhighlighting of the list items.
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"""
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notify = DirectNotifyGlobal.directNotify.newCategory("DirectScrolledListItem")
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def __init__(self, parent=None, **kw):
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assert self.notify.debugStateCall(self)
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self.parent = parent
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if "command" in kw:
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self.nextCommand = kw.get("command")
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del kw["command"]
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if "extraArgs" in kw:
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self.nextCommandExtraArgs = kw.get("extraArgs")
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del kw["extraArgs"]
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optiondefs = (
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('parent', self.parent, None),
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('command', self.select, None),
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)
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# Merge keyword options with default options
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self.defineoptions(kw, optiondefs)
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DirectButton.__init__(self)
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self.initialiseoptions(DirectScrolledListItem)
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def select(self):
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assert self.notify.debugStateCall(self)
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apply(self.nextCommand, self.nextCommandExtraArgs)
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self.parent.selectListItem(self)
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class DirectScrolledList(DirectFrame):
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notify = DirectNotifyGlobal.directNotify.newCategory("DirectScrolledList")
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def __init__(self, parent = None, **kw):
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assert self.notify.debugStateCall(self)
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self.index = 0
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self.forceHeight = None
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""" If one were to want a scrolledList that makes and adds its items
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as needed, simply pass in an items list of strings (type 'str')
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and when that item is needed, itemMakeFunction will be called
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with the text, the index, and itemMakeExtraArgs. If itemMakeFunction
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is not specified, it will create a DirectFrame with the text."""
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# if 'items' is a list of strings, make a copy for our use
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# so we can modify it without mangling the user's list
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if 'items' in kw:
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for item in kw['items']:
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if type(item) != type(''):
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break
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else:
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# we get here if every item in 'items' is a string
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# make a copy
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kw['items'] = kw['items'][:]
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self.nextItemID = 10
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# Inherits from DirectFrame
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optiondefs = (
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# Define type of DirectGuiWidget
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('items', [], None),
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('itemsAlign', TextNode.ACenter, DGG.INITOPT),
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('itemsWordwrap', None, DGG.INITOPT),
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('command', None, None),
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('extraArgs', [], None),
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('itemMakeFunction', None, None),
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('itemMakeExtraArgs', [], None),
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('numItemsVisible', 1, self.setNumItemsVisible),
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('scrollSpeed', 8, self.setScrollSpeed),
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('forceHeight', None, self.setForceHeight),
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('incButtonCallback', None, self.setIncButtonCallback),
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('decButtonCallback', None, self.setDecButtonCallback),
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)
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# Merge keyword options with default options
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self.defineoptions(kw, optiondefs)
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# Initialize superclasses
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DirectFrame.__init__(self, parent)
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self.incButton = self.createcomponent("incButton", (), None,
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DirectButton, (self,),
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)
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self.incButton.bind(DGG.B1PRESS, self.__incButtonDown)
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self.incButton.bind(DGG.B1RELEASE, self.__buttonUp)
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self.decButton = self.createcomponent("decButton", (), None,
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DirectButton, (self,),
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)
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self.decButton.bind(DGG.B1PRESS, self.__decButtonDown)
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self.decButton.bind(DGG.B1RELEASE, self.__buttonUp)
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self.itemFrame = self.createcomponent("itemFrame", (), None,
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DirectFrame, (self,),
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)
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for item in self["items"]:
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if item.__class__.__name__ != 'str':
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item.reparentTo(self.itemFrame)
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self.initialiseoptions(DirectScrolledList)
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self.recordMaxHeight()
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self.scrollTo(0)
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def setForceHeight(self):
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assert self.notify.debugStateCall(self)
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self.forceHeight = self["forceHeight"]
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def recordMaxHeight(self):
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assert self.notify.debugStateCall(self)
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if self.forceHeight is not None:
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self.maxHeight = self.forceHeight
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else:
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self.maxHeight = 0.0
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for item in self["items"]:
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if item.__class__.__name__ != 'str':
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self.maxHeight = max(self.maxHeight, item.getHeight())
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def setScrollSpeed(self):
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assert self.notify.debugStateCall(self)
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# Items per second to move
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self.scrollSpeed = self["scrollSpeed"]
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if self.scrollSpeed <= 0:
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self.scrollSpeed = 1
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def setNumItemsVisible(self):
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assert self.notify.debugStateCall(self)
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# Items per second to move
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self.numItemsVisible = self["numItemsVisible"]
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def destroy(self):
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assert self.notify.debugStateCall(self)
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taskMgr.remove(self.taskName("scroll"))
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if hasattr(self, "currentSelected"):
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del self.currentSelected
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if self.incButtonCallback:
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self.incButtonCallback = None
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if self.decButtonCallback:
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self.decButtonCallback = None
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self.incButton.destroy()
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self.decButton.destroy()
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DirectFrame.destroy(self)
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def selectListItem(self, item):
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assert self.notify.debugStateCall(self)
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if hasattr(self, "currentSelected"):
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self.currentSelected['state']=DGG.NORMAL
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item['state']=DGG.DISABLED
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self.currentSelected=item
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def scrollBy(self, delta):
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assert self.notify.debugStateCall(self)
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#print "scrollBy[", delta,"]"
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return self.scrollTo(self.index + delta)
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def getItemIndexForItemID(self, itemID):
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assert self.notify.debugStateCall(self)
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#for i in range(len(self["items"])):
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# print "buttontext[", i,"]", self["items"][i]["text"]
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if(len(self["items"])==0):
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return 0
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if(type(self["items"][0])!=types.InstanceType):
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self.notify.warning("getItemIndexForItemID: cant find itemID for non-class list items!")
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return 0
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for i in range(len(self["items"])):
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if(self["items"][i].itemID == itemID):
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return i
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self.notify.warning("getItemIndexForItemID: item not found!")
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return 0
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def scrollToItemID(self, itemID, centered=0):
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assert self.notify.debugStateCall(self)
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self.scrollTo(self.getItemIndexForItemID(itemID), centered)
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def scrollTo(self, index, centered=0):
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""" scrolls list so selected index is at top, or centered in box"""
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assert self.notify.debugStateCall(self)
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#print "scrollTo[", index,"] called, len(self[items])=", len(self["items"])," self[numItemsVisible]=", self["numItemsVisible"]
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try:
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self["numItemsVisible"]
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except:
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# RAU hack to kill 27633
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self.notify.info('crash 27633 fixed!')
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return
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numItemsVisible = self["numItemsVisible"]
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numItemsTotal = len(self["items"])
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if(centered):
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self.index = index - (numItemsVisible/2)
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else:
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self.index = index
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# Not enough items to even worry about scrolling,
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# just disable the buttons and do nothing
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if (len(self["items"]) <= numItemsVisible):
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self.incButton['state'] = DGG.DISABLED
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self.decButton['state'] = DGG.DISABLED
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# Hmm.. just reset self.index to 0 and bail out
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self.index = 0
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ret = 0
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else:
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if (self.index <= 0):
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self.index = 0
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#print "at list start, ", len(self["items"])," ", self["numItemsVisible"]
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self.decButton['state'] = DGG.DISABLED
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self.incButton['state'] = DGG.NORMAL
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ret = 0
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elif (self.index >= (numItemsTotal - numItemsVisible)):
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self.index = numItemsTotal - numItemsVisible
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#print "at list end, ", len(self["items"])," ", self["numItemsVisible"]
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self.incButton['state'] = DGG.DISABLED
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self.decButton['state'] = DGG.NORMAL
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ret = 0
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else:
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# deal with an edge condition - make sure any tasks are removed from the disabled arrows.
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if (self.incButton['state'] == DGG.DISABLED) or (self.decButton['state'] == DGG.DISABLED):
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#print "leaving list start/end, ", len(self["items"])," ", self["numItemsVisible"]
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self.__buttonUp(0)
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self.incButton['state'] = DGG.NORMAL
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self.decButton['state'] = DGG.NORMAL
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ret = 1
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#print "self.index set to ", self.index
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# Hide them all
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for item in self["items"]:
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if item.__class__.__name__ != 'str':
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item.hide()
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# Then show the ones in range, and stack their positions
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upperRange = min(numItemsTotal, numItemsVisible)
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for i in range(self.index, self.index + upperRange):
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item = self["items"][i]
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#print "stacking buttontext[", i,"]", self["items"][i]["text"]
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# If the item is a 'str', then it has not been created (scrolled list is 'as needed')
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# Therefore, use the the function given to make it or just make it a frame
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if item.__class__.__name__ == 'str':
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if self['itemMakeFunction']:
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# If there is a function to create the item
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item = apply(self['itemMakeFunction'], (item, i, self['itemMakeExtraArgs']))
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else:
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item = DirectFrame(text = item,
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text_align = self['itemsAlign'],
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text_wordwrap = self['itemsWordwrap'],
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relief = None)
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#print "str stacking buttontext[", i,"]", self["items"][i]["text"]
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# Then add the newly formed item back into the normal item list
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self["items"][i] = item
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item.reparentTo(self.itemFrame)
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self.recordMaxHeight()
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item.show()
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item.setPos(0, 0, -(i-self.index) * self.maxHeight)
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#print 'height bug tracker: i-%s idx-%s h-%s' % (i, self.index, self.maxHeight)
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if self['command']:
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# Pass any extra args to command
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apply(self['command'], self['extraArgs'])
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return ret
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def makeAllItems(self):
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assert self.notify.debugStateCall(self)
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for i in range(len(self['items'])):
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item = self["items"][i]
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# If the item is a 'str', then it has not been created
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# Therefore, use the the function given to make it or
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# just make it a frame
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#print "Making " + str(item)
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if item.__class__.__name__ == 'str':
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if self['itemMakeFunction']:
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# If there is a function to create the item
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item = apply(self['itemMakeFunction'],
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(item, i, self['itemMakeExtraArgs']))
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else:
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item = DirectFrame(text = item,
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text_align = self['itemsAlign'],
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text_wordwrap = self['itemsWordwrap'],
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relief = None)
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# Then add the newly formed item back into the normal item list
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self["items"][i] = item
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item.reparentTo(self.itemFrame)
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self.recordMaxHeight()
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def __scrollByTask(self, task):
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assert self.notify.debugStateCall(self)
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if ((task.time - task.prevTime) < task.delayTime):
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return Task.cont
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else:
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ret = self.scrollBy(task.delta)
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task.prevTime = task.time
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if ret:
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return Task.cont
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else:
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return Task.done
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def __incButtonDown(self, event):
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assert self.notify.debugStateCall(self)
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task = Task(self.__scrollByTask)
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task.setDelay(1.0 / self.scrollSpeed)
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task.prevTime = 0.0
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task.delta = 1
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taskName = self.taskName("scroll")
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#print "incButtonDown: adding ", taskName
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taskMgr.add(task, taskName)
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self.scrollBy(task.delta)
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messenger.send('wakeup')
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if self.incButtonCallback:
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self.incButtonCallback()
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def __decButtonDown(self, event):
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assert self.notify.debugStateCall(self)
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task = Task(self.__scrollByTask)
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task.setDelay(1.0 / self.scrollSpeed)
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task.prevTime = 0.0
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task.delta = -1
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taskName = self.taskName("scroll")
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#print "decButtonDown: adding ", taskName
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taskMgr.add(task, taskName)
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self.scrollBy(task.delta)
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messenger.send('wakeup')
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if self.decButtonCallback:
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self.decButtonCallback()
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def __buttonUp(self, event):
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assert self.notify.debugStateCall(self)
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taskName = self.taskName("scroll")
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#print "buttonUp: removing ", taskName
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taskMgr.remove(taskName)
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def addItem(self, item, refresh=1):
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"""
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Add this string and extraArg to the list
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"""
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assert self.notify.debugStateCall(self)
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if(type(item) == types.InstanceType):
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# cant add attribs to non-classes (like strings & ints)
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item.itemID = self.nextItemID
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self.nextItemID += 1
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self['items'].append(item)
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if type(item) != type(''):
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item.reparentTo(self.itemFrame)
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if refresh:
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self.refresh()
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if(type(item) == types.InstanceType):
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return item.itemID # to pass to scrollToItemID
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def removeItem(self, item, refresh=1):
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"""
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Remove this item from the panel
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"""
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assert self.notify.debugStateCall(self)
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#print "remove item called", item
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#print "items list", self['items']
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if item in self["items"]:
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#print "removing item", item
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if hasattr(self, "currentSelected") and self.currentSelected is item:
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del self.currentSelected
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self["items"].remove(item)
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if type(item) != type(''):
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item.reparentTo(hidden)
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self.refresh()
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return 1
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else:
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return 0
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def removeAndDestroyItem(self, item, refresh = 1):
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"""
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Remove and destroy this item from the panel.
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"""
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assert self.notify.debugStateCall(self)
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if item in self["items"]:
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if hasattr(self, "currentSelected") and self.currentSelected is item:
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del self.currentSelected
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if (hasattr(item, 'destroy') and hasattr(item.destroy, '__call__')):
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item.destroy()
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self["items"].remove(item)
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if type(item) != type(''):
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item.reparentTo(hidden)
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self.refresh()
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return 1
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else:
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return 0
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def removeAllItems(self, refresh=1):
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"""
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Remove this item from the panel
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Warning 2006_10_19 tested only in the trolley metagame
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"""
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assert self.notify.debugStateCall(self)
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retval = 0
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#print "remove item called", item
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#print "items list", self['items']
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while len (self["items"]):
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item = self['items'][0]
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#print "removing item", item
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if hasattr(self, "currentSelected") and self.currentSelected is item:
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del self.currentSelected
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self["items"].remove(item)
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if type(item) != type(''):
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#RAU possible leak here, let's try to do the right thing
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#item.reparentTo(hidden)
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item.removeNode()
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retval = 1
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if (refresh):
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self.refresh()
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return retval
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|
||
|
def removeAndDestroyAllItems(self, refresh = 1):
|
||
|
"""
|
||
|
Remove and destroy all items from the panel.
|
||
|
Warning 2006_10_19 tested only in the trolley metagame
|
||
|
"""
|
||
|
assert self.notify.debugStateCall(self)
|
||
|
retval = 0
|
||
|
while len (self["items"]):
|
||
|
item = self['items'][0]
|
||
|
if hasattr(self, "currentSelected") and self.currentSelected is item:
|
||
|
del self.currentSelected
|
||
|
if (hasattr(item, 'destroy') and hasattr(item.destroy, '__call__')):
|
||
|
item.destroy()
|
||
|
self["items"].remove(item)
|
||
|
if type(item) != type(''):
|
||
|
#RAU possible leak here, let's try to do the right thing
|
||
|
#item.reparentTo(hidden)
|
||
|
item.removeNode()
|
||
|
retval = 1
|
||
|
if (refresh):
|
||
|
self.refresh()
|
||
|
return retval
|
||
|
|
||
|
def refresh(self):
|
||
|
"""
|
||
|
Update the list - useful when adding or deleting items
|
||
|
or changing properties that would affect the scrolling
|
||
|
"""
|
||
|
assert self.notify.debugStateCall(self)
|
||
|
self.recordMaxHeight()
|
||
|
#print "refresh called"
|
||
|
self.scrollTo(self.index)
|
||
|
|
||
|
def getSelectedIndex(self):
|
||
|
assert self.notify.debugStateCall(self)
|
||
|
return self.index
|
||
|
|
||
|
def getSelectedText(self):
|
||
|
assert self.notify.debugStateCall(self)
|
||
|
if self['items'][self.index].__class__.__name__ == 'str':
|
||
|
return self['items'][self.index]
|
||
|
else:
|
||
|
return self['items'][self.index]['text']
|
||
|
|
||
|
def setIncButtonCallback(self):
|
||
|
assert self.notify.debugStateCall(self)
|
||
|
self.incButtonCallback = self["incButtonCallback"]
|
||
|
|
||
|
def setDecButtonCallback(self):
|
||
|
assert self.notify.debugStateCall(self)
|
||
|
self.decButtonCallback = self["decButtonCallback"]
|
||
|
|
||
|
|
||
|
"""
|
||
|
from DirectGui import *
|
||
|
|
||
|
def makeButton(itemName, itemNum, *extraArgs):
|
||
|
def buttonCommand():
|
||
|
print itemName, itemNum
|
||
|
return DirectButton(text = itemName,
|
||
|
relief = DGG.RAISED,
|
||
|
frameSize = (-3.5, 3.5, -0.2, 0.8),
|
||
|
scale = 0.85,
|
||
|
command = buttonCommand)
|
||
|
|
||
|
s = scrollList = DirectScrolledList(
|
||
|
parent = aspect2d,
|
||
|
relief = None,
|
||
|
# Use the default dialog box image as the background
|
||
|
image = DGG.getDefaultDialogGeom(),
|
||
|
# Scale it to fit around everyting
|
||
|
image_scale = (0.7, 1, .8),
|
||
|
# Give it a label
|
||
|
text = "Scrolled List Example",
|
||
|
text_scale = 0.06,
|
||
|
text_align = TextNode.ACenter,
|
||
|
text_pos = (0, 0.3),
|
||
|
text_fg = (0, 0, 0, 1),
|
||
|
# inc and dec are DirectButtons
|
||
|
# They can contain a combination of text, geometry and images
|
||
|
# Just a simple text one for now
|
||
|
incButton_text = 'Increment',
|
||
|
incButton_relief = DGG.RAISED,
|
||
|
incButton_pos = (0.0, 0.0, -0.36),
|
||
|
incButton_scale = 0.1,
|
||
|
# Same for the decrement button
|
||
|
decButton_text = 'Decrement',
|
||
|
decButton_relief = DGG.RAISED,
|
||
|
decButton_pos = (0.0, 0.0, 0.175),
|
||
|
decButton_scale = 0.1,
|
||
|
# each item is a button with text on it
|
||
|
numItemsVisible = 4,
|
||
|
itemMakeFunction = makeButton,
|
||
|
items = ['Able', 'Baker', 'Charlie', 'Delta', 'Echo', 'Foxtrot',
|
||
|
'Golf', 'Hotel', 'India', 'Juliet', 'Kilo', 'Lima'],
|
||
|
# itemFrame is a DirectFrame
|
||
|
# Use it to scale up or down the items and to place it relative
|
||
|
# to eveything else
|
||
|
itemFrame_pos = (0, 0, 0.06),
|
||
|
itemFrame_scale = 0.1,
|
||
|
itemFrame_frameSize = (-3.1, 3.1, -3.3, 0.8),
|
||
|
itemFrame_relief = DGG.GROOVE,
|
||
|
)
|
||
|
"""
|