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