156 lines
3.5 KiB
Python
156 lines
3.5 KiB
Python
"""StandardFile compatability module: implement macfs StandardFile
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API calls with Navigation Services"""
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import macfs
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import struct
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from Carbon import Res
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try:
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import Nav
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except ImportError:
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Nav = None
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_curfolder = None
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_movablemodal = 1
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def _mktypelist(typelist):
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if not typelist:
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return None
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data = 'Pyth' + struct.pack("hh", 0, len(typelist))
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for type in typelist:
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data = data+type
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return Res.Handle(data)
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def _StandardGetFile(*typelist):
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return apply(_PromptGetFile, (None,)+typelist)
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def _PromptGetFile(prompt, *typelist):
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args = {}
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flags = 0x56
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typehandle = _mktypelist(typelist)
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if typehandle:
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args['typeList'] = typehandle
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else:
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flags = flags | 0x01
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if prompt:
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args['message'] = prompt
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args['preferenceKey'] = 'PyMC'
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if _movablemodal:
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args['eventProc'] = None
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args['dialogOptionFlags'] = flags
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_handleSetFolder(args)
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try:
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rr = Nav.NavChooseFile(args)
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good = 1
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except Nav.error, arg:
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if arg[0] != -128: # userCancelledErr
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raise Nav.error, arg
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good = 0
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fss = macfs.FSSpec(':cancelled')
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else:
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fss = rr.selection[0]
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## if typehandle:
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## typehandle.DisposeHandle()
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return fss, good
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def _StandardPutFile(prompt, default=None):
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args = {}
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flags = 0x07
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if prompt:
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args['message'] = prompt
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args['preferenceKey'] = 'PyMC'
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if _movablemodal:
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args['eventProc'] = None
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if default:
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args['savedFileName'] = default
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args['dialogOptionFlags'] = flags
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_handleSetFolder(args)
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try:
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rr = Nav.NavPutFile(args)
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good = 1
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except Nav.error, arg:
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if arg[0] != -128: # userCancelledErr
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raise Nav.error, arg
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good = 0
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fss = macfs.FSSpec(':cancelled')
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else:
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fss = rr.selection[0]
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return fss, good
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def _SetFolder(folder):
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global _curfolder
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if _curfolder:
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rv = _curfolder
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else:
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rv = None
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_curfolder = macfs.FSSpec(folder)
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return rv
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def _handleSetFolder(args):
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global _curfolder
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if not _curfolder:
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return
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import aepack
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fss = macfs.FSSpec(_curfolder)
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aedesc = aepack.pack(fss)
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args['defaultLocation'] = aedesc
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_curfolder = None
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def _GetDirectory(prompt=None):
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args = {}
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flags = 0x17
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if prompt:
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args['message'] = prompt
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args['preferenceKey'] = 'PyMC'
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if _movablemodal:
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args['eventProc'] = None
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args['dialogOptionFlags'] = flags
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_handleSetFolder(args)
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try:
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rr = Nav.NavChooseFolder(args)
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good = 1
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except Nav.error, arg:
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if arg[0] != -128: # userCancelledErr
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raise Nav.error, arg
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good = 0
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fss = macfs.FSSpec(':cancelled')
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else:
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fss = rr.selection[0]
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return fss, good
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def _install():
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macfs.StandardGetFile = StandardGetFile
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macfs.PromptGetFile = PromptGetFile
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macfs.StandardPutFile = StandardPutFile
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macfs.SetFolder = SetFolder
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macfs.GetDirectory = GetDirectory
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if Nav and Nav.NavServicesAvailable():
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StandardGetFile = _StandardGetFile
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PromptGetFile = _PromptGetFile
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StandardPutFile = _StandardPutFile
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SetFolder = _SetFolder
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GetDirectory = _GetDirectory
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_install()
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else:
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from macfs import StandardGetFile, PromptGetFile, StandardPutFile, SetFolder, GetDirectory
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if __name__ == '__main__':
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print 'Testing StandardGetFile'
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fss, ok = StandardGetFile()
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print '->', fss, ok
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print 'Testing StandardGetFile("TEXT")'
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fss, ok = StandardGetFile("TEXT")
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print '->', fss, ok
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print 'Testing PromptGetFile'
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fss, ok = PromptGetFile("prompt")
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print '->', fss, ok
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print 'Testing StandardPutFile("the prompt", "default")'
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fss, ok = StandardPutFile("the prompt", "default")
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print '->', fss, ok
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print 'Testing GetDirectory("another prompt")'
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fss, ok = GetDirectory("Another prompt")
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print '->', fss, ok
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import sys
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sys.exit(1)
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