xref: /trunk/main/toolkit/src2xml/source/boxer.py (revision 7d9fa7c3) 
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 x in self.rows[y]:
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 = sorted(self.rows.keys())
42        for y in ys:
43            xs = sorted(self.rows[y].keys())
44
45            if len(xs) == 1:
46                root.appendChild(self.rows[y][xs[0]])
47                continue
48
49            hbox = Element('hbox')
50            root.appendChild(hbox)
51            for x in xs:
52                elem = self.rows[y][x]
53                hbox.appendChild(elem)
54
55        return root
56
57
58class Boxer(object):
59    def __init__ (self, root):
60        self.root = root
61
62    def layout (self):
63
64        newroot = RootNode()
65        for dlgnode in self.root.children:
66            newdlgnode = self.__walkDlgNode(dlgnode)
67            newroot.children.append(newdlgnode)
68
69        return newroot
70
71    def __walkDlgNode (self, dlgnode):
72
73        newnode = Element(dlgnode.name)
74        newnode.clone(dlgnode)
75        if dlgnode.name == 'string':
76            return newnode
77        newnode.setAttr("xmlns", "http://openoffice.org/2007/layout")
78        newnode.setAttr("xmlns:cnt", "http://openoffice.org/2007/layout/container")
79        mx = DlgLayoutBuilder(newnode)
80
81        # Each dialog node is expected to have a flat list of widgets.
82        for widget in dlgnode.children:
83            if widget.hasAttr('x') and widget.hasAttr('y'):
84                mx.addWidget(widget)
85            else:
86                newnode.appendChild(widget)
87
88        vbox = mx.build()
89        if len(vbox.children) > 0:
90            newnode.appendChild(vbox)
91
92        return newnode
93