Helpviewer/Bookmarks/BookmarkNode.py

Sat, 02 Jan 2010 15:35:20 +0000

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 02 Jan 2010 15:35:20 +0000
changeset 13
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permissions
-rw-r--r--

Changed copyright for 2010.

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1 # -*- coding: utf-8 -*-
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2
13
1af94a91f439 Changed copyright for 2010.
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3 # Copyright (c) 2009 - 2010 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing the bookmark node.
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8 """
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9
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10 from PyQt4.QtCore import *
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11
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12 class BookmarkNode(object):
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13 """
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14 Class implementing the bookmark node type.
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15 """
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16 # possible bookmark node types
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17 Root = 0
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18 Folder = 1
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19 Bookmark = 2
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20 Separator = 3
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21
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22 def __init__(self, type_ = Root, parent = None):
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23 """
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24 Constructor
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25
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26 @param type_ type of the bookmark node (BookmarkNode.Type)
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27 @param parent reference to the parent node (BookmarkNode)
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28 """
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29 self.url = ""
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30 self.title = ""
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31 self.desc = ""
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32 self.expanded = False
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33
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34 self._children = []
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35 self._parent = parent
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36 self._type = type_
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37
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38 if parent is not None:
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39 parent.add(self)
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40
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41 def type(self):
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42 """
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43 Public method to get the bookmark's type.
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44
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45 @return bookmark type (BookmarkNode.Type)
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46 """
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47 return self._type
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48
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49 def setType(self, type_):
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50 """
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51 Public method to set the bookmark's type.
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52
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53 @param type_ type of the bookmark node (BookmarkNode.Type)
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54 """
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55 self._type = type_
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56
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57 def children(self):
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58 """
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59 Public method to get the list of child nodes.
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60
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61 @return list of all child nodes (list of BookmarkNode)
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62 """
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63 return self._children[:]
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64
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65 def parent(self):
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66 """
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67 Public method to get a reference to the parent node.
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68
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69 @return reference to the parent node (BookmarkNode)
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70 """
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71 return self._parent
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72
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73 def add(self, child, offset = -1):
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74 """
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75 Public method to add/insert a child node.
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76
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77 @param child reference to the node to add (BookmarkNode)
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78 @param offset position where to insert child (integer, -1 = append)
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79 """
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80 if child._type == BookmarkNode.Root:
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81 return
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82
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83 if child._parent is not None:
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84 child._parent.remove(child)
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85
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86 child._parent = self
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87 if offset == -1:
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88 self._children.append(child)
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89 else:
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90 self._children.insert(offset, child)
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91
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92 def remove(self, child):
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93 """
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94 Public method to remove a child node.
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95
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96 @param child reference to the child node (BookmarkNode)
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97 """
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98 child._parent = None
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99 if child in self._children:
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100 self._children.remove(child)

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