| 1 |
bh |
74 |
# Copyright (c) 2001, 2002 by Intevation GmbH |
| 2 |
bh |
6 |
# Authors: |
| 3 |
|
|
# Jan-Oliver Wagner <[email protected]> |
| 4 |
|
|
# Bernhard Herzog <[email protected]> |
| 5 |
|
|
# |
| 6 |
|
|
# This program is free software under the GPL (>=v2) |
| 7 |
|
|
# Read the file COPYING coming with Thuban for details. |
| 8 |
|
|
|
| 9 |
|
|
""" |
| 10 |
|
|
Functions to save a session to a file |
| 11 |
|
|
""" |
| 12 |
|
|
|
| 13 |
|
|
__version__ = "$Revision$" |
| 14 |
|
|
|
| 15 |
|
|
import os |
| 16 |
|
|
import string |
| 17 |
|
|
|
| 18 |
bh |
201 |
import Thuban.Lib.fileutil |
| 19 |
bh |
6 |
|
| 20 |
bh |
201 |
def relative_filename(dir, filename): |
| 21 |
|
|
"""Return a filename relative to dir for the absolute file name absname. |
| 22 |
|
|
|
| 23 |
|
|
This is almost the same as the function in fileutil, except that dir |
| 24 |
|
|
can be an empty string in which case filename will be returned |
| 25 |
|
|
unchanged. |
| 26 |
|
|
""" |
| 27 |
|
|
if dir: |
| 28 |
|
|
return Thuban.Lib.fileutil.relative_filename(dir, filename) |
| 29 |
|
|
else: |
| 30 |
|
|
return filename |
| 31 |
|
|
|
| 32 |
bh |
6 |
def escape(data): |
| 33 |
|
|
"""Escape &, \", ', <, and > in a string of data. |
| 34 |
|
|
""" |
| 35 |
|
|
data = string.replace(data, "&", "&") |
| 36 |
|
|
data = string.replace(data, "<", "<") |
| 37 |
|
|
data = string.replace(data, ">", ">") |
| 38 |
|
|
data = string.replace(data, '"', """) |
| 39 |
|
|
data = string.replace(data, "'", "'") |
| 40 |
|
|
return data |
| 41 |
|
|
|
| 42 |
|
|
def save_session(session, filename): |
| 43 |
|
|
"""Save the session session to the file given by filename""" |
| 44 |
|
|
dir = os.path.dirname(filename) |
| 45 |
|
|
file = open(filename, 'w') |
| 46 |
|
|
write = file.write |
| 47 |
|
|
write('<?xml version="1.0" encoding="UTF-8"?>\n') |
| 48 |
|
|
write('<!DOCTYPE session SYSTEM "thuban.dtd">\n') |
| 49 |
|
|
write('<session title="%s">\n' % escape(session.title)) |
| 50 |
|
|
for map in session.Maps(): |
| 51 |
|
|
write('\t<map title="%s">\n' % escape(map.title)) |
| 52 |
|
|
if map.projection and len(map.projection.params) > 0: |
| 53 |
|
|
write('\t\t<projection>\n') |
| 54 |
|
|
for param in map.projection.params: |
| 55 |
|
|
write('\t\t\t<parameter value="%s"/>\n' % escape(param)) |
| 56 |
|
|
write('\t\t</projection>\n') |
| 57 |
|
|
|
| 58 |
|
|
for layer in map.Layers(): |
| 59 |
|
|
fill = layer.fill |
| 60 |
|
|
if fill is None: |
| 61 |
|
|
fill = "None" |
| 62 |
|
|
else: |
| 63 |
|
|
fill = fill.hex() |
| 64 |
|
|
stroke = layer.stroke |
| 65 |
|
|
if stroke is None: |
| 66 |
|
|
stroke = "None" |
| 67 |
|
|
else: |
| 68 |
|
|
stroke = stroke.hex() |
| 69 |
|
|
write(('\t\t<layer title="%s" filename="%s"' |
| 70 |
bh |
74 |
' fill="%s" stroke="%s" stroke_width="%d"/>\n') % |
| 71 |
bh |
6 |
(escape(layer.title), |
| 72 |
|
|
escape(relative_filename(dir, layer.filename)), |
| 73 |
bh |
74 |
fill, stroke, layer.stroke_width)) |
| 74 |
bh |
6 |
labels = map.LabelLayer().Labels() |
| 75 |
|
|
if labels: |
| 76 |
|
|
write('\t\t<labellayer>\n') |
| 77 |
|
|
for label in labels: |
| 78 |
|
|
write(('\t\t\t<label x="%g" y="%g" text="%s"' |
| 79 |
|
|
' halign="%s" valign="%s"/>\n') |
| 80 |
|
|
% (label.x, label.y, label.text, label.halign, |
| 81 |
|
|
label.valign)) |
| 82 |
|
|
write('\t\t</labellayer>\n') |
| 83 |
|
|
write('\t</map>\n') |
| 84 |
|
|
write('</session>\n') |
| 85 |
|
|
|
| 86 |
|
|
# after a successful save consider the session unmodified. |
| 87 |
|
|
session.UnsetModified() |
Parent Directory
| 
Revision Log