Mercurial > libervia-web

comparison src/browser/sat_browser/nativedom.py @ 467:97c72fe4a5f2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
browser_side: import fixes: - moved browser modules in a sat_browser packages, to avoid import conflicts with std lib (e.g. logging), and let pyjsbuild work normaly - refactored bad import practices: classes are most of time not imported directly, module is imported instead.
author Goffi <goffi@goffi.org>
date Mon, 09 Jun 2014 22:15:26 +0200
parents src/browser/nativedom.py@1a0cec9b0f1e
children 747eaa662353
comparison
equal deleted inserted replaced
466:01880aa8ea2d 467:97c72fe4a5f2
1 #!/usr/bin/python
2 # -*- coding: utf-8 -*-
3
4 # Libervia: a Salut à Toi frontend
5 # Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org>
6
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
11
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details.
16
17 # You should have received a copy of the GNU Affero General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 """
21 This class provide basic DOM parsing based on native javascript parser
22 __init__ code comes from Tim Down at http://stackoverflow.com/a/8412989
23 """
24
25 from __pyjamas__ import JS
26
27
28 class Node():
29
30 def __init__(self, js_node):
31 self._node = js_node
32
33 def _jsNodesList2List(self, js_nodes_list):
34 ret = []
35 for i in range(len(js_nodes_list)):
36 #ret.append(Element(js_nodes_list.item(i)))
37 ret.append(self.__class__(js_nodes_list.item(i))) # XXX: Ugly, but used to word around a Pyjamas's bug
38 return ret
39
40 @property
41 def nodeName(self):
42 return self._node.nodeName
43
44 @property
45 def wholeText(self):
46 return self._node.wholeText
47
48 @property
49 def childNodes(self):
50 return self._jsNodesList2List(self._node.childNodes)
51
52 def getAttribute(self, attr):
53 return self._node.getAttribute(attr)
54
55 def setAttribute(self, attr, value):
56 return self._node.setAttribute(attr, value)
57
58 def hasAttribute(self, attr):
59 return self._node.hasAttribute(attr)
60
61 def toxml(self):
62 return JS("""this._node.outerHTML || new XMLSerializer().serializeToString(this._node);""")
63
64
65 class Element(Node):
66
67 def __init__(self, js_node):
68 Node.__init__(self, js_node)
69
70 def getElementsByTagName(self, tagName):
71 return self._jsNodesList2List(self._node.getElementsByTagName(tagName))
72
73
74 class Document(Node):
75
76 def __init__(self, js_document):
77 Node.__init__(self, js_document)
78
79 @property
80 def documentElement(self):
81 return Element(self._node.documentElement)
82
83
84 class NativeDOM:
85
86 def __init__(self):
87 JS("""
88
89 if (typeof window.DOMParser != "undefined") {
90 this.parseXml = function(xmlStr) {
91 return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
92 };
93 } else if (typeof window.ActiveXObject != "undefined" &&
94 new window.ActiveXObject("Microsoft.XMLDOM")) {
95 this.parseXml = function(xmlStr) {
96 var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
97 xmlDoc.async = "false";
98 xmlDoc.loadXML(xmlStr);
99 return xmlDoc;
100 };
101 } else {
102 throw new Error("No XML parser found");
103 }
104 """)
105
106 def parseString(self, xml):
107 return Document(self.parseXml(xml))