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# XXX TO DO:

# - popup menu

# - support partial or total redisplay

# - more doc strings

# - tooltips

# object browser

# XXX TO DO:

# - for classes/modules, add "open source" to object browser

from idlelib.TreeWidget import TreeItem, TreeNode, ScrolledCanvas

from reprlib import Repr

myrepr = Repr()

myrepr.maxstring = 100

myrepr.maxother = 100

class ObjectTreeItem(TreeItem):

def __init__(self, labeltext, object, setfunction=None):

self.labeltext = labeltext

self.object = object

self.setfunction = setfunction

def GetLabelText(self):

return self.labeltext

def GetText(self):

return myrepr.repr(self.object)

def GetIconName(self):

if not self.IsExpandable():

return "python"

def IsEditable(self):

return self.setfunction is not None

def SetText(self, text):

try:

value = eval(text)

self.setfunction(value)

except:

pass

else:

self.object = value

def IsExpandable(self):

return not not dir(self.object)

def GetSubList(self):

keys = dir(self.object)

sublist = []

for key in keys:

try:

value = getattr(self.object, key)

except AttributeError:

continue

item = make_objecttreeitem(

str(key) + " =",

value,

lambda value, key=key, object=self.object:

setattr(object, key, value))

sublist.append(item)

return sublist

class ClassTreeItem(ObjectTreeItem):

def IsExpandable(self):

return True

def GetSubList(self):

sublist = ObjectTreeItem.GetSubList(self)

if len(self.object.__bases__) == 1:

item = make_objecttreeitem("__bases__[0] =",

self.object.__bases__[0])

else:

item = make_objecttreeitem("__bases__ =", self.object.__bases__)

sublist.insert(0, item)

return sublist

class AtomicObjectTreeItem(ObjectTreeItem):

def IsExpandable(self):

return 0

class SequenceTreeItem(ObjectTreeItem):

def IsExpandable(self):

return len(self.object) > 0

def keys(self):

return range(len(self.object))

def GetSubList(self):

sublist = []

for key in self.keys():

try:

value = self.object[key]

except KeyError:

continue

def setfunction(value, key=key, object=self.object):

object[key] = value

item = make_objecttreeitem("%r:" % (key,), value, setfunction)

sublist.append(item)

return sublist

class DictTreeItem(SequenceTreeItem):

def keys(self):

keys = list(self.object.keys())

try:

keys.sort()

except:

pass

return keys

dispatch = {

int: AtomicObjectTreeItem,

float: AtomicObjectTreeItem,

str: AtomicObjectTreeItem,

tuple: SequenceTreeItem,

list: SequenceTreeItem,

dict: DictTreeItem,

type: ClassTreeItem,

}

def make_objecttreeitem(labeltext, object, setfunction=None):

t = type(object)

if t in dispatch:

c = dispatch[t]

else:

c = ObjectTreeItem

return c(labeltext, object, setfunction)

# Test script

def _test():

import sys

from tkinter import Tk

root = Tk()

root.configure(bd=0, bg="yellow")

root.focus_set()

sc = ScrolledCanvas(root, bg="white", highlightthickness=0, takefocus=1)

sc.frame.pack(expand=1, fill="both")

item = make_objecttreeitem("sys", sys)

node = TreeNode(sc.canvas, None, item)

node.update()

root.mainloop()

if __name__ == '__main__':

_test()

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