| 1 | import os |
| 2 | from Tkinter import * |
| 3 | import tkMessageBox |
| 4 | |
| 5 | |
| 6 | class FileList: |
| 7 | |
| 8 | from EditorWindow import EditorWindow # class variable, may be overridden |
| 9 | # e.g. by PyShellFileList |
| 10 | |
| 11 | def __init__(self, root): |
| 12 | self.root = root |
| 13 | self.dict = {} |
| 14 | self.inversedict = {} |
| 15 | self.vars = {} # For EditorWindow.getrawvar (shared Tcl variables) |
| 16 | |
| 17 | def open(self, filename, action=None): |
| 18 | assert filename |
| 19 | filename = self.canonize(filename) |
| 20 | if os.path.isdir(filename): |
| 21 | # This can happen when bad filename is passed on command line: |
| 22 | tkMessageBox.showerror( |
| 23 | "File Error", |
| 24 | "%r is a directory." % (filename,), |
| 25 | master=self.root) |
| 26 | return None |
| 27 | key = os.path.normcase(filename) |
| 28 | if self.dict.has_key(key): |
| 29 | edit = self.dict[key] |
| 30 | edit.top.wakeup() |
| 31 | return edit |
| 32 | if action: |
| 33 | # Don't create window, perform 'action', e.g. open in same window |
| 34 | return action(filename) |
| 35 | else: |
| 36 | return self.EditorWindow(self, filename, key) |
| 37 | |
| 38 | def gotofileline(self, filename, lineno=None): |
| 39 | edit = self.open(filename) |
| 40 | if edit is not None and lineno is not None: |
| 41 | edit.gotoline(lineno) |
| 42 | |
| 43 | def new(self, filename=None): |
| 44 | return self.EditorWindow(self, filename) |
| 45 | |
| 46 | def close_all_callback(self, event): |
| 47 | for edit in self.inversedict.keys(): |
| 48 | reply = edit.close() |
| 49 | if reply == "cancel": |
| 50 | break |
| 51 | return "break" |
| 52 | |
| 53 | def close_edit(self, edit): |
| 54 | try: |
| 55 | key = self.inversedict[edit] |
| 56 | except KeyError: |
| 57 | print "Don't know this EditorWindow object. (close)" |
| 58 | return |
| 59 | if key: |
| 60 | del self.dict[key] |
| 61 | del self.inversedict[edit] |
| 62 | if not self.inversedict: |
| 63 | self.root.quit() |
| 64 | |
| 65 | def filename_changed_edit(self, edit): |
| 66 | edit.saved_change_hook() |
| 67 | try: |
| 68 | key = self.inversedict[edit] |
| 69 | except KeyError: |
| 70 | print "Don't know this EditorWindow object. (rename)" |
| 71 | return |
| 72 | filename = edit.io.filename |
| 73 | if not filename: |
| 74 | if key: |
| 75 | del self.dict[key] |
| 76 | self.inversedict[edit] = None |
| 77 | return |
| 78 | filename = self.canonize(filename) |
| 79 | newkey = os.path.normcase(filename) |
| 80 | if newkey == key: |
| 81 | return |
| 82 | if self.dict.has_key(newkey): |
| 83 | conflict = self.dict[newkey] |
| 84 | self.inversedict[conflict] = None |
| 85 | tkMessageBox.showerror( |
| 86 | "Name Conflict", |
| 87 | "You now have multiple edit windows open for %r" % (filename,), |
| 88 | master=self.root) |
| 89 | self.dict[newkey] = edit |
| 90 | self.inversedict[edit] = newkey |
| 91 | if key: |
| 92 | try: |
| 93 | del self.dict[key] |
| 94 | except KeyError: |
| 95 | pass |
| 96 | |
| 97 | def canonize(self, filename): |
| 98 | if not os.path.isabs(filename): |
| 99 | try: |
| 100 | pwd = os.getcwd() |
| 101 | except os.error: |
| 102 | pass |
| 103 | else: |
| 104 | filename = os.path.join(pwd, filename) |
| 105 | return os.path.normpath(filename) |
| 106 | |
| 107 | |
| 108 | def _test(): |
| 109 | from EditorWindow import fixwordbreaks |
| 110 | import sys |
| 111 | root = Tk() |
| 112 | fixwordbreaks(root) |
| 113 | root.withdraw() |
| 114 | flist = FileList(root) |
| 115 | if sys.argv[1:]: |
| 116 | for filename in sys.argv[1:]: |
| 117 | flist.open(filename) |
| 118 | else: |
| 119 | flist.new() |
| 120 | if flist.inversedict: |
| 121 | root.mainloop() |
| 122 | |
| 123 | if __name__ == '__main__': |
| 124 | _test() |