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			438 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			438 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import W
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| import Wkeys
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| import struct
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| import string
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| import types
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| import regex
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| 
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| nullid = '\0\0'
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| closedid = struct.pack('h', 468)
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| openid = struct.pack('h', 469)
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| closedsolidid = struct.pack('h', 470)
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| opensolidid = struct.pack('h', 471)
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| 
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| arrows = (nullid, closedid, openid, closedsolidid, opensolidid)
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| 
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| has_ctlcharsRE = regex.compile('[\000-\037\177-\377]')
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| 
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| def double_repr(key, value, truncvalue = 0, 
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| 			type = type, StringType = types.StringType,
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| 			has_ctlchars = has_ctlcharsRE.search, _repr = repr, str = str):
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| 	if type(key) == StringType and has_ctlchars(key) < 0:
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| 		key = str(key)
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| 	else:
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| 		key = _repr(key)
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| 	if key == '__builtins__':
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| 		value = "<" + type(value).__name__ + " '__builtin__'>"
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| 	elif key == '__return__':
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| 		# bleh, when returning from a class codeblock we get infinite recursion in repr. 
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| 		# Use safe repr instead.
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| 		import repr
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| 		value = repr.repr(value)
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| 	else:
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| 		try:
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| 			value = _repr(value)
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| 			'' + value	# test to see if it is a string, in case a __repr__ method is buggy
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| 		except:
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| 			value = '€€€ exception in repr()'
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| 	if truncvalue:
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| 		return key + '\t' + value[:255]
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| 	return key + '\t' + value
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| 
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| 
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| class BrowserWidget(W.List):
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| 	
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| 	LDEF_ID = 471
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| 	
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| 	def __init__(self, possize, object = None, col = 100, closechildren = 0):
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| 		W.List.__init__(self, possize, callback = self.listhit)
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| 		self.object = (None,)
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| 		self.indent = 16
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| 		self.lastmaxindent = 0
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| 		self.closechildren = closechildren
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| 		self.children = []
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| 		self.mincol = 64
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| 		self.setcolumn(col)
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| 		self.bind('return', self.openselection)
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| 		self.bind('enter', self.openselection)
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| 		if object is not None:
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| 			self.set(object)
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| 	
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| 	def set(self, object):
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| 		if self.object[0] is not object:
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| 			self.object = object,
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| 			self[:] = self.unpack(object, 0)
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| 		elif self._parentwindow is not None and self._parentwindow.wid:
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| 			self.update()
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| 	
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| 	def unpack(self, object, indent):
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| 		return unpack_object(object, indent)
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| 	
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| 	def update(self):
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| 		# for now...
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| 		W.SetCursor('watch')
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| 		self.setdrawingmode(0)
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| 		sel = self.getselectedobjects()
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| 		fold = self.getunfoldedobjects()
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| 		topcell = self.gettopcell()
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| 		self[:] = self.unpack(self.object[0], 0)
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| 		self.unfoldobjects(fold)
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| 		self.setselectedobjects(sel)
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| 		self.settopcell(topcell)
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| 		self.setdrawingmode(1)
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| 	
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| 	def setcolumn(self, col):
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| 		self.col = col
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| 		self.colstr = struct.pack('h', col)
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| 		if self._list:
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| 			sel = self.getselection()
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| 			self.setitems(self.items)
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| 			self.setselection(sel)
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| 	
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| 	def key(self, char, event):
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| 		if char in (Wkeys.leftarrowkey, Wkeys.rightarrowkey):
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| 			sel = self.getselection()
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| 			sel.reverse()
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| 			self.setdrawingmode(0)
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| 			for index in sel:
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| 				self.fold(index, char == Wkeys.rightarrowkey)
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| 			self.setdrawingmode(1)
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| 		else:
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| 			W.List.key(self, char, event)
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| 	
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| 	def rollover(self, (x, y), onoff):
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| 		if onoff:
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| 			if self.incolumn((x, y)):
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| 				W.SetCursor('hmover')
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| 			else:
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| 				W.SetCursor('arrow')
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| 	
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| 	def inarrow(self, (x, y)):
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| 		cl, ct, cr, cb = self._list.LRect((0, 0))
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| 		l, t, r, b = self._bounds
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| 		if (x - cl) < 16:
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| 			cellheight = cb - ct
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| 			index = (y - ct) / cellheight
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| 			if index < len(self.items):
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| 				return 1, index
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| 		return None, None
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| 	
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| 	def incolumn(self, (x, y)):
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| 		l, t, r, b = self._list.LRect((0, 0))
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| 		abscol = l + self.col
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| 		return abs(abscol - x) < 3
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| 	
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| 	def trackcolumn(self, (x, y)):
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| 		import Qd, QuickDraw, Evt
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| 		self.SetPort()
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| 		l, t, r, b = self._bounds
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| 		bounds = l, t, r, b = l + 1, t + 1, r - 16, b - 1
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| 		abscol = l + self.col
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| 		mincol = l + self.mincol
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| 		maxcol = r - 10
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| 		diff = abscol - x
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| 		Qd.PenPat('\000\377\000\377\000\377\000\377')
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| 		Qd.PenMode(QuickDraw.srcXor)
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| 		rect = abscol - 1, t, abscol, b
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| 		Qd.PaintRect(rect)
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| 		lastpoint = (x, y)
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| 		newcol = -1
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| 		#W.SetCursor('fist')
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| 		while Evt.Button():
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| 			(x, y) = Evt.GetMouse()
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| 			if (x, y) <> lastpoint:
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| 				newcol = x + diff
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| 				newcol = max(newcol, mincol)
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| 				newcol = min(newcol, maxcol)
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| 				Qd.PaintRect(rect)
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| 				rect = newcol - 1, t, newcol, b
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| 				Qd.PaintRect(rect)
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| 				lastpoint = (x, y)
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| 		Qd.PaintRect(rect)
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| 		Qd.PenPat(Qd.qd.black)
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| 		Qd.PenNormal()
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| 		if newcol > 0 and newcol <> abscol:
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| 			self.setcolumn(newcol - l)
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| 	
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| 	def click(self, point, modifiers):
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| 		if point == (-1, -1):	# gross.
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| 			W.List.click(self, point ,modifiers)
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| 			return
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| 		hit, index = self.inarrow(point)
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| 		if hit:
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| 			(key, value, arrow, indent) = self.items[index]
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| 			self.fold(index, arrow == 1)
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| 		elif self.incolumn(point):
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| 			self.trackcolumn(point)
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| 		else:
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| 			W.List.click(self, point, modifiers)
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| 	
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| 	# for W.List.key
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| 	def findmatch(self, tag):
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| 		lower = string.lower
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| 		items = self.items
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| 		taglen = len(tag)
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| 		match = '\377' * 100
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| 		match_i = -1
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| 		for i in range(len(items)):
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| 			item = lower(str(items[i][0]))
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| 			if tag <= item < match:
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| 				match = item
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| 				match_i = i
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| 		if match_i >= 0:
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| 			return match_i
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| 		else:
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| 			return len(items) - 1
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| 	
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| 	def close(self):
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| 		if self.closechildren:
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| 			for window in self.children:
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| 				window.close()
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| 		self.children = []
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| 		W.List.close(self)
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| 	
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| 	def fold(self, index, onoff):
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| 		(key, value, arrow, indent) = self.items[index]
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| 		if arrow == 0 or (onoff and arrow == 2) or (not onoff and arrow == 1):
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| 			return
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| 		W.SetCursor('watch')
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| 		topcell = self.gettopcell()
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| 		if onoff:
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| 			self[index] = (key, value, 4, indent)
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| 			self.setdrawingmode(0)
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| 			self[index+1:index+1] = self.unpack(value, indent + 1)
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| 			self[index] = (key, value, 2, indent)
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| 		else:
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| 			self[index] = (key, value, 3, indent)
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| 			self.setdrawingmode(0)
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| 			count = 0
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| 			for i in range(index + 1, len(self.items)):
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| 				(dummy, dummy, dummy, subindent) = self.items[i]
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| 				if subindent <= indent:
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| 					break
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| 				count = count + 1
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| 			self[index+1:index+1+count] = []
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| 			self[index] = (key, value, 1, indent)
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| 		maxindent = self.getmaxindent()
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| 		if maxindent <> self.lastmaxindent:
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| 			newabsindent = self.col + (maxindent - self.lastmaxindent) * self.indent
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| 			if newabsindent >= self.mincol:
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| 				self.setcolumn(newabsindent)
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| 			self.lastmaxindent = maxindent
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| 		self.settopcell(topcell)
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| 		self.setdrawingmode(1)
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| 	
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| 	def unfoldobjects(self, objects):
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| 		for obj in objects:
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| 			try:
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| 				index = self.items.index(obj)
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| 			except ValueError:
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| 				pass
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| 			else:
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| 				self.fold(index, 1)
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| 	
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| 	def getunfoldedobjects(self):
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| 		curindent = 0
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| 		objects = []
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| 		for index in range(len(self.items)):
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| 			(key, value, arrow, indent) = self.items[index]
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| 			if indent > curindent:
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| 				(k, v, a, i) = self.items[index - 1]
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| 				objects.append((k, v, 1, i))
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| 				curindent = indent
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| 			elif indent < curindent:
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| 				curindent = indent
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| 		return objects
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| 	
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| 	def listhit(self, isdbl):
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| 		if isdbl:
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| 			self.openselection()
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| 	
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| 	def openselection(self):
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| 		import os
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| 		sel = self.getselection()
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| 		for index in sel:
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| 			(key, value, arrow, indent) = self[index]
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| 			if arrow:
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| 				self.children.append(Browser(value))
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| 			elif type(value) == types.StringType and '\0' not in value:
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| 				editor = self._parentwindow.parent.getscript(value)
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| 				if editor:
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| 					editor.select()
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| 					return
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| 				elif os.path.exists(value) and os.path.isfile(value):
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| 					import macfs
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| 					fss = macfs.FSSpec(value)
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| 					if fss.GetCreatorType()[1] == 'TEXT':
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| 						W.getapplication().openscript(value)
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| 	
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| 	def itemrepr(self, (key, value, arrow, indent), str = str, double_repr = double_repr, 
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| 			arrows = arrows, pack = struct.pack):
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| 		arrow = arrows[arrow]
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| 		return arrow + pack('h', self.indent * indent) + self.colstr + \
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| 				double_repr(key, value, 1)
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| 	
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| 	def getmaxindent(self, max = max):
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| 		maxindent = 0
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| 		for item in self.items:
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| 			maxindent = max(maxindent, item[3])
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| 		return maxindent
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| 	
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| 	def domenu_copy(self, *args):
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| 		sel = self.getselectedobjects()
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| 		selitems = []
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| 		for key, value, dummy, dummy in sel:
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| 			selitems.append(double_repr(key, value))
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| 		text = string.join(selitems, '\r')
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| 		if text:
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| 			import Scrap
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| 			Scrap.ZeroScrap()
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| 			Scrap.PutScrap('TEXT', text)
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| 
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| 
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| class Browser:
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| 	
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| 	def __init__(self, object = None, title = None, closechildren = 0):
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| 		if hasattr(object, '__name__'):
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| 			name = object.__name__
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| 		else:
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| 			name = ''
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| 		if title is None:
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| 			title = 'Object browser'
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| 			if name:
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| 				title = title + ': ' + name
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| 		self.w = w = W.Window((300, 400), title, minsize = (100, 100))
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| 		w.info = W.TextBox((18, 8, -70, 15))
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| 		w.updatebutton = W.Button((-64, 4, 50, 16), 'Update', self.update)
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| 		w.browser = BrowserWidget((-1, 24, 1, -14), None)
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| 		w.bind('cmdu', w.updatebutton.push)
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| 		w.open()
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| 		self.set(object, name)
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| 	
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| 	def close(self):
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| 		if self.w.wid:
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| 			self.w.close()
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| 	
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| 	def set(self, object, name = ''):
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| 		W.SetCursor('watch')
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| 		tp = type(object).__name__
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| 		try:
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| 			length = len(object)
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| 		except:
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| 			length = -1
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| 		if not name and hasattr(object, '__name__'):
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| 			name = object.__name__
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| 		if name:
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| 			info = name + ': ' + tp
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| 		else:
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| 			info = tp
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| 		if length >= 0:
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| 			if length == 1:
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| 				info = info + ' (%d element)' % length
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| 			else:
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| 				info = info + ' (%d elements)' % length
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| 		self.w.info.set(info)
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| 		self.w.browser.set(object)
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| 	
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| 	def update(self):
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| 		self.w.browser.update()
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| 
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| 
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| SIMPLE_TYPES = (
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| 	types.NoneType,
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| 	types.IntType,
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| 	types.LongType,
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| 	types.FloatType,
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| 	types.ComplexType,
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| 	types.StringType
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| )
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| 
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| INDEXING_TYPES = (
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| 	types.TupleType,
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| 	types.ListType,
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| 	types.DictionaryType
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| )
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| 
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| def unpack_object(object, indent = 0):
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| 	tp = type(object)
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| 	if tp in SIMPLE_TYPES and tp is not types.NoneType:
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| 		raise TypeError, 'can¹t browse simple type: %s' % tp.__name__
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| 	elif tp == types.DictionaryType:
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| 		return unpack_dict(object, indent)
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| 	elif tp in (types.TupleType, types.ListType):
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| 		return unpack_sequence(object, indent)
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| 	elif tp == types.InstanceType:
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| 		return unpack_instance(object, indent)
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| 	elif tp == types.ClassType:
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| 		return unpack_class(object, indent)
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| 	elif tp == types.ModuleType:
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| 		return unpack_dict(object.__dict__, indent)
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| 	else:
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| 		return unpack_other(object, indent)
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| 
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| def unpack_sequence(seq, indent = 0):
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| 	items = map(None, range(len(seq)), seq)
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| 	items = map(lambda (k, v), type = type, simp = SIMPLE_TYPES, indent = indent: 
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| 				(k, v, not type(v) in simp, indent), items)
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| 	return items
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| 
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| def unpack_dict(dict, indent = 0):
 | |
| 	items = dict.items()
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| 	return pack_items(items, indent)
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| 
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| def unpack_instance(inst, indent = 0):
 | |
| 	if hasattr(inst, '__pybrowse_unpack__'):
 | |
| 		return unpack_object(inst.__pybrowse_unpack__(), indent)
 | |
| 	else:
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| 		items = [('__class__', inst.__class__)] + inst.__dict__.items()
 | |
| 		return pack_items(items, indent)
 | |
| 
 | |
| def unpack_class(clss, indent = 0):
 | |
| 	items = [('__bases__', clss.__bases__), ('__name__', clss.__name__)] + clss.__dict__.items()
 | |
| 	return pack_items(items, indent)
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| 
 | |
| def unpack_other(object, indent = 0):
 | |
| 	attrs = []
 | |
| 	if hasattr(object, '__members__'):
 | |
| 		attrs = attrs + object.__members__
 | |
| 	if hasattr(object, '__methods__'):
 | |
| 		attrs = attrs + object.__methods__
 | |
| 	items = []
 | |
| 	for attr in attrs:
 | |
| 		items.append((attr, getattr(object, attr)))
 | |
| 	return pack_items(items, indent)
 | |
| 
 | |
| def pack_items(items, indent = 0):
 | |
| 	items = map(lambda (k, v), type = type, simp = SIMPLE_TYPES, indent = indent: 
 | |
| 				(k, v, not type(v) in simp, indent), 
 | |
| 			items)
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| 	return tuple_caselesssort(items)
 | |
| 
 | |
| def caselesssort(alist):
 | |
| 	"""Return a sorted copy of a list. If there are only strings in the list, 
 | |
| 	it will not consider case"""
 | |
| 	
 | |
| 	try:
 | |
| 		# turn ['FOO',  'aaBc', 'ABcD'] into [('foo', 'FOO'), ('aabc', 'aaBc'), ('abcd', 'ABcD')], if possible
 | |
| 		tupledlist = map(lambda item, lower = string.lower: (lower(item), item), alist)
 | |
| 	except TypeError:
 | |
| 		# at least one element in alist is not a string, proceed the normal way...
 | |
| 		alist = alist[:]
 | |
| 		alist.sort()
 | |
| 		return alist
 | |
| 	else:
 | |
| 		tupledlist.sort()
 | |
| 		# turn [('aabc', 'aaBc'), ('abcd', 'ABcD'), ('foo', 'FOO')] into ['aaBc', 'ABcD', 'FOO']
 | |
| 		return map(lambda x: x[1], tupledlist)
 | |
| 
 | |
| def tuple_caselesssort(items):
 | |
| 	try:
 | |
| 		tupledlist = map(lambda tuple, lower = string.lower: (lower(tuple[0]), tuple), items)
 | |
| 	except TypeError:
 | |
| 		items = items[:]
 | |
| 		items.sort()
 | |
| 		return items
 | |
| 	else:
 | |
| 		tupledlist.sort()
 | |
| 		return map(lambda (low, tuple): tuple, tupledlist)
 | |
| 
 | 
