Mercurial > libervia-web

annotate src/browser/sat_browser/nativedom.py @ 957:67bf14c91d5c

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server (pages): added a confirm flag on successful post: A new set is used in SATSession to keep flags. First flag is "confirm": it is set when some data have been posted (so a confirmation message can be displayed in template). If seen in session, the template "confirm" variable is set to True, and the flag is removed from session (a refresh of the page will not display the confirm message anymore).
author Goffi <goffi@goffi.org>
date Tue, 11 Jul 2017 07:46:20 +0200
parents f8a7a046ff9c
children fd4eae654182
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2011-2016 Jérôme Poisson <goffi@goffi.org>
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """
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21 This class provide basic DOM parsing based on native javascript parser
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22 __init__ code comes from Tim Down at http://stackoverflow.com/a/8412989
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23 """
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24
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25 from __pyjamas__ import JS
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28 class Node(object):
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30 def __init__(self, js_node):
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31 self._node = js_node
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32
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33 def _jsNodesList2List(self, js_nodes_list):
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34 ret = []
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35 for i in range(len(js_nodes_list)):
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36 #ret.append(Element(js_nodes_list.item(i)))
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37 ret.append(self.__class__(js_nodes_list.item(i))) # XXX: Ugly, but used to work around a Pyjamas's bug
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38 return ret
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40 def __getattr__(self, name):
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41 if name in ('TEXT_NODE', 'ELEMENT_NODE', 'ATTRIBUTE_NODE', 'COMMENT_NODE', 'nodeName', 'nodeType', 'wholeText'):
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42 return getattr(self._node, name)
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43 return object.__getattribute__(self, name)
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45 @property # XXX: doesn't work in --strict mode in pyjs
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46 def childNodes(self):
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47 return self._jsNodesList2List(self._node.childNodes)
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48
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49 def getAttribute(self, attr):
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50 return self._node.getAttribute(attr)
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52 def setAttribute(self, attr, value):
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53 return self._node.setAttribute(attr, value)
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54
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55 def hasAttribute(self, attr):
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56 return self._node.hasAttribute(attr)
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58 def toxml(self):
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59 return JS("""this._node.outerHTML || new XMLSerializer().serializeToString(this._node);""")
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61
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62 class Element(Node):
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63
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64 def __init__(self, js_node):
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65 Node.__init__(self, js_node)
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66
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67 def getElementsByTagName(self, tagName):
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68 return self._jsNodesList2List(self._node.getElementsByTagName(tagName))
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71 class Document(Node):
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73 def __init__(self, js_document):
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74 Node.__init__(self, js_document)
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75
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76 @property
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77 def documentElement(self):
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78 return Element(self._node.documentElement)
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81 class NativeDOM:
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82
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83 def __init__(self):
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84 JS("""
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85
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86 if (typeof window.DOMParser != "undefined") {
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87 this.parseXml = function(xmlStr) {
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88 return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
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89 };
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90 } else if (typeof window.ActiveXObject != "undefined" &&
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91 new window.ActiveXObject("Microsoft.XMLDOM")) {
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92 this.parseXml = function(xmlStr) {
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93 var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
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94 xmlDoc.async = "false";
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95 xmlDoc.loadXML(xmlStr);
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96 return xmlDoc;
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97 };
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98 } else {
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99 throw new Error("No XML parser found");
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100 }
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101 """)
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102
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103 def parseString(self, xml):
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104 return Document(self.parseXml(xml))