Mercurial > libervia-web
diff src/browser/sat_browser/nativedom.py @ 467:97c72fe4a5f2
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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/browser/sat_browser/nativedom.py Mon Jun 09 22:15:26 2014 +0200 @@ -0,0 +1,107 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +# Libervia: a Salut à Toi frontend +# Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org> + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. + +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +""" +This class provide basic DOM parsing based on native javascript parser +__init__ code comes from Tim Down at http://stackoverflow.com/a/8412989 +""" + +from __pyjamas__ import JS + + +class Node(): + + def __init__(self, js_node): + self._node = js_node + + def _jsNodesList2List(self, js_nodes_list): + ret = [] + for i in range(len(js_nodes_list)): + #ret.append(Element(js_nodes_list.item(i))) + ret.append(self.__class__(js_nodes_list.item(i))) # XXX: Ugly, but used to word around a Pyjamas's bug + return ret + + @property + def nodeName(self): + return self._node.nodeName + + @property + def wholeText(self): + return self._node.wholeText + + @property + def childNodes(self): + return self._jsNodesList2List(self._node.childNodes) + + def getAttribute(self, attr): + return self._node.getAttribute(attr) + + def setAttribute(self, attr, value): + return self._node.setAttribute(attr, value) + + def hasAttribute(self, attr): + return self._node.hasAttribute(attr) + + def toxml(self): + return JS("""this._node.outerHTML || new XMLSerializer().serializeToString(this._node);""") + + +class Element(Node): + + def __init__(self, js_node): + Node.__init__(self, js_node) + + def getElementsByTagName(self, tagName): + return self._jsNodesList2List(self._node.getElementsByTagName(tagName)) + + +class Document(Node): + + def __init__(self, js_document): + Node.__init__(self, js_document) + + @property + def documentElement(self): + return Element(self._node.documentElement) + + +class NativeDOM: + + def __init__(self): + JS(""" + + if (typeof window.DOMParser != "undefined") { + this.parseXml = function(xmlStr) { + return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml"); + }; + } else if (typeof window.ActiveXObject != "undefined" && + new window.ActiveXObject("Microsoft.XMLDOM")) { + this.parseXml = function(xmlStr) { + var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM"); + xmlDoc.async = "false"; + xmlDoc.loadXML(xmlStr); + return xmlDoc; + }; + } else { + throw new Error("No XML parser found"); + } + """) + + def parseString(self, xml): + return Document(self.parseXml(xml))