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
line wrap: on
line diff
--- /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))