xref: /trunk/main/toolkit/src2xml/source/boxer.py (revision 9f22d7c2) 
1# *************************************************************
2#
3#  Licensed to the Apache Software Foundation (ASF) under one
4#  or more contributor license agreements.  See the NOTICE file
5#  distributed with this work for additional information
6#  regarding copyright ownership.  The ASF licenses this file
7#  to you under the Apache License, Version 2.0 (the
8#  "License"); you may not use this file except in compliance
9#  with the License.  You may obtain a copy of the License at
10#
11#    http://www.apache.org/licenses/LICENSE-2.0
12#
13#  Unless required by applicable law or agreed to in writing,
14#  software distributed under the License is distributed on an
15#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16#  KIND, either express or implied.  See the License for the
17#  specific language governing permissions and limitations
18#  under the License.
19#
20# *************************************************************
21
22
23from globals import *
24
25
26class DlgLayoutBuilder(object):
27    def __init__ (self, dlgnode):
28        self.dlgnode = dlgnode
29        self.rows = {}
30
31    def addWidget (self, elem):
32        x, y = int(elem.getAttr('x')), int(elem.getAttr('y'))
33        self.rows[y] = self.rows.get (y, {})
34        while self.rows[y].has_key(x):
35            y += 1
36            self.rows[y] = self.rows.get (y, {})
37        self.rows[y][x] = elem
38
39    def build (self):
40        root = Element('vbox')
41        ys = self.rows.keys()
42        ys.sort()
43        for y in ys:
44            xs = self.rows[y].keys()
45            xs.sort()
46
47            if len(xs) == 1:
48                root.appendChild(self.rows[y][xs[0]])
49                continue
50
51            hbox = Element('hbox')
52            root.appendChild(hbox)
53            for x in xs:
54                elem = self.rows[y][x]
55                hbox.appendChild(elem)
56
57        return root
58
59
60class Boxer(object):
61    def __init__ (self, root):
62        self.root = root
63
64    def layout (self):
65
66        newroot = RootNode()
67        for dlgnode in self.root.children:
68            newdlgnode = self.__walkDlgNode(dlgnode)
69            newroot.children.append(newdlgnode)
70
71        return newroot
72
73    def __walkDlgNode (self, dlgnode):
74
75        newnode = Element(dlgnode.name)
76        newnode.clone(dlgnode)
77        if dlgnode.name == 'string':
78            return newnode
79        newnode.setAttr("xmlns", "http://openoffice.org/2007/layout")
80        newnode.setAttr("xmlns:cnt", "http://openoffice.org/2007/layout/container")
81        mx = DlgLayoutBuilder(newnode)
82
83        # Each dialog node is expected to have a flat list of widgets.
84        for widget in dlgnode.children:
85            if widget.hasAttr('x') and widget.hasAttr('y'):
86                mx.addWidget(widget)
87            else:
88                newnode.appendChild(widget)
89
90        vbox = mx.build()
91        if len(vbox.children) > 0:
92            newnode.appendChild(vbox)
93
94        return newnode
95