Mercurial > libervia-web
annotate src/browser/sat_browser/nativedom.py @ 533:19fc2ebc02dd
browser_side: management of new "info" newMessage type
author | Goffi <goffi@goffi.org> |
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date | Fri, 05 Sep 2014 19:29:35 +0200 |
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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 |
340 | 5 # Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org> |
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6 |
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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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11 |
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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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16 |
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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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26 |
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27 |
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28 class Node(object): |
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29 |
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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): |
451 | 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))) |
451 | 37 ret.append(self.__class__(js_nodes_list.item(i))) # XXX: Ugly, but used to word around a Pyjamas's bug |
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38 return ret |
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39 |
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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) |
337 | 44 |
45 @property | |
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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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51 |
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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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57 |
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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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60 |
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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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69 |
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70 |
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71 class Document(Node): |
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72 |
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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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79 |
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80 |
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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)) |