Mercurial > libervia-web
annotate browser_side/nativedom.py @ 225:9b93a21dc5e2
browser_side: display widget title in the debug info (LiberviaWidget method "getDebugName")
- better PEP8 compliance
author | souliane <souliane@mailoo.org> |
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date | Thu, 26 Sep 2013 11:39:54 +0200 |
parents | 9763dec220ed |
children | 43881c3dda9d |
rev | line source |
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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 """ |
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5 Libervia: a Salut à Toi frontend |
165 | 6 Copyright (C) 2011, 2012, 2013 Jérôme Poisson <goffi@goffi.org> |
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7 |
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8 This program is free software: you can redistribute it and/or modify |
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9 it under the terms of the GNU Affero General Public License as published by |
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10 the Free Software Foundation, either version 3 of the License, or |
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11 (at your option) any later version. |
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12 |
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13 This program is distributed in the hope that it will be useful, |
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU Affero General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU Affero General Public License |
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19 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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20 """ |
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21 |
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22 """ |
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23 This class provide basic DOM parsing based on native javascript parser |
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24 __init__ code comes from Tim Down at http://stackoverflow.com/a/8412989 |
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25 """ |
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26 |
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27 from __pyjamas__ import JS |
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28 |
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29 |
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30 class Node(): |
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31 |
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32 def __init__(self, js_node): |
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33 self._node = js_node |
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34 |
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35 def _jsNodesList2List(self, js_nodes_list): |
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36 ret=[] |
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37 for i in range(len(js_nodes_list)): |
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38 #ret.append(Element(js_nodes_list.item(i))) |
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39 ret.append(self.__class__(js_nodes_list.item(i))) # XXX: Ugly, but used to word around a Pyjamas's bug |
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40 return ret |
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41 |
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42 @property |
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43 def nodeName(self): |
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44 return self._node.nodeName |
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45 |
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46 @property |
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47 def childNodes(self): |
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48 return self._jsNodesList2List(self._node.childNodes) |
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49 |
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50 def getAttribute(self, attr): |
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51 return self._node.getAttribute(attr) |
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52 |
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53 def hasAttribute(self, attr): |
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54 return self._node.hasAttribute(attr) |
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55 |
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56 |
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57 class Element(Node): |
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58 |
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59 def __init__(self, js_node): |
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60 Node.__init__(self, js_node) |
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61 |
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62 def getElementsByTagName(self, tagName): |
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63 return self._jsNodesList2List(self._node.getElementsByTagName(tagName)) |
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64 |
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65 class Document(Node): |
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66 |
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67 def __init__(self, js_document): |
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68 Node.__init__(self, js_document) |
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69 |
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70 @property |
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71 def documentElement(self): |
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72 return Element(self._node.documentElement) |
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73 |
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74 class NativeDOM: |
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75 |
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76 def __init__(self): |
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77 JS(""" |
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78 |
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79 if (typeof window.DOMParser != "undefined") { |
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80 this.parseXml = function(xmlStr) { |
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81 return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml"); |
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82 }; |
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83 } else if (typeof window.ActiveXObject != "undefined" && |
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84 new window.ActiveXObject("Microsoft.XMLDOM")) { |
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85 this.parseXml = function(xmlStr) { |
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86 var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM"); |
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87 xmlDoc.async = "false"; |
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88 xmlDoc.loadXML(xmlStr); |
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89 return xmlDoc; |
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90 }; |
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91 } else { |
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92 throw new Error("No XML parser found"); |
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93 } |
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94 """) |
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95 |
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96 def parseString(self, xml): |
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97 return Document(self.parseXml(xml)) |
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98 |