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import traceback
from ConfigNode import *
from Configuration import Configuration
class ConfigSet(ConfigNode):
'''
After reading the configuration set items,
the ConfigSet checks this field.
If it is true, it will remove any nulls from
the vector.
subclasses can change this field in the constructor
to avoid this "deletion" of nulls.
'''
def __init__(self, childType):
self.childClass = childType
self.childrenMap = {}
self.childrenList = []
self.noNulls = False
def add(self, name, o):
self.childrenMap[name] = o
if isinstance(name, int):
i = name
self.childrenList.insert(i, o)
else:
try:
i = o.cp_Index
oldSize = self.getSize()
if oldSize <= i:
newSize = i - oldSize
self.childrenList += [None] * newSize
self.noNulls = True
else:
self.noNulls = False
self.childrenList.insert(i, o);
if oldSize > i:
oldSize = i
except Exception:
self.childrenList.append(o)
def writeConfiguration(self, configView, param):
names = self.childrenMap.keys()
if isinstance(self.childClass, ConfigNode):
#first I remove all the children from the configuration.
children = configView.ElementNames
if children:
for i in children:
try:
Configuration.removeNode(configView, i)
except Exception:
traceback.print_exc()
# and add them new.
for i in names:
try:
child = self.getElement(i)
childView = configView.getByName(i)
child.writeConfiguration(childView, param)
except Exception:
traceback.print_exc()
else:
raise AttributeError (
"Unable to write primitive sets to configuration (not implemented)")
def readConfiguration(self, configurationView, param):
names = configurationView.ElementNames
if isinstance(self.childClass, ConfigNode):
if names:
for i in names:
try:
child = type(self.childClass)()
child.readConfiguration(
configurationView.getByName(i), param)
self.add(i, child)
except Exception, ex:
traceback.print_exc()
#remove any nulls from the list
if self.noNulls:
i = 0
while i < len(self.childrenList):
if self.childrenList[i] is None:
del self.childrenList[i]
i -= 1
i += 1
else:
for i in names:
try:
child = configurationView.getByName(i)
self.add(i, child)
except Exception, ex:
traceback.print_exc()
def remove(self, obj):
key = getKey(obj)
self.childrenMap.remove(key)
i = self.childrenList.indexOf(obj)
self.childrenList.remove(obj)
fireListDataListenerIntervalRemoved(i, i)
def remove(self, i):
o = getElementAt(i)
remove(o)
def clear(self):
self.childrenMap.clear()
del self.childrenList[:]
def createDOM(self, parent):
items = items()
i = 0
while i < items.length:
item = items[i]
if item.instanceof.XMLProvider:
item.createDOM(parent)
i += 1
return parent
def getKey(self, object):
i = self.childrenMap.entrySet().iterator()
while i.hasNext():
me = i.next()
if me.getValue() == object:
return me.getKey()
return None
def getKey(self, i):
c = 0
while i > -1:
if getElementAt(c) != None:
i -= 1
c += 1
if c == 0:
return None
else:
return getKey(getElementAt(c - 1))
def getElementAt(self, i):
return self.childrenList[i]
def getElement(self, o):
return self.childrenMap[o]
def getSize(self):
return len(self.childrenList)
def keys(self):
return self.childrenMap.keySet()
def getIndexOf(self, item):
return self.childrenList.index(item)
'''
Set members might include a property
which orders them.
This method reindexes the given member to be
the index number 0
Do not forget to call commit() after calling this method.
@param confView
@param memebrName
'''
def reindexSet(self, confView, memberName, indexPropertyName):
'''
First I read all memebrs of the set,
except the one that should be number 0
to a vector, ordered by there index property
'''
names = Configuration.getChildrenNames(confView)
v = Vector.Vector_unknown(names.length)
member = None
index = 0
i = 0
while i < names.length:
if not names[i].equals(memberName):
member = Configuration.getConfigurationNode(names[i], confView)
index = Configuration.getInt(indexPropertyName, member)
while index >= v.size():
v.add(None)
v.setElementAt(member, index)
'''
Now I reindex them
'''
i += 1
index = 1
i = 0
while i < v.size():
member = v.get(i)
if member != None:
Configuration.set((index + 1), indexPropertyName, member)
i += 1
def sort(self, comparator):
self.childrenList.sort(comparator)
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