Mercurial > MadButterfly

annotate pyink/unlink_clone.py @ 1516:7d6d77992aba

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix the bug of deactivating moving state mode. - It fault to deactivate moving state mode when user is selecting a transition. - Since _on_deactivate stack was not handled correctly.
author Thinker K.F. Li <thinker@codemud.net>
date Wed, 11 May 2011 01:13:19 +0800
parents 0b5ee9c90af7
children
rev   line source
1299
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
1 import dom_event
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
2 from data_monitor import data_monitor
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
3
1300
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
4 ## \brief Tracking relation-ship btween copy nodes and source nodes.
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
5 #
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
6 # To trace the relation-ship between source node and copy node, we add
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
7 # 'ns0:duplicate-src' attribute to copy nodes. But after unlink a
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
8 # clone node, inkscape does not copy attributes of 'svg:use' node to
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
9 # new nodes inserted after unlinking. So, we can not just putting
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
10 # 'ns0:duplicate-src' on 'svg:use' and hoping it is still working for
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
11 # us after unlinking.
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
12 #
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
13 # The solution is to duplicate value of 'id' attribute to 'saved_id'
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
14 # attribute for every node. Whenever Inkscape copying nodes for a
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
15 # copy & paste or an unlinking, the value of 'saved_id' attribute
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
16 # would be copied to copy nodes from source nodes. We copy the value
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
17 # of 'saved_id' attribute to 'ns0:duplicate-src', for copy node, to
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
18 # preserve the relation-ship of copy node and source node. After copy
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
19 # 'saved_id' to 'ns0:duplicate-src', 'saved_id' is re-assigned to the
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
20 # value of ID of copy node. A copy node is the new node of a copying.
2a35a1cb6cdf Add comment for unlink_clone.py
Thinker K.F. Li <thinker@codemud.net>
parents: 1299
diff changeset
21 #
1299
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
22 class unlink_clone_checker(object):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
23 __metaclass__ = data_monitor
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
24
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
25 _no_change_attrs = ('ns0:duplicate-src', 'saved_id')
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
26
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
27 def __init__(self, domview_ui):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
28 self._domviewui = domview_ui
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
29 self._locker = domview_ui
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
30 self._doc = None
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
31 self._root = None
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
32 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
33
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
34 def _start_check(self):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
35 doc = self._doc
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
36 dom_event.addEventListener(doc, 'DOMNodeInserted',
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
37 self.do_insert_node, None)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
38 dom_event.addEventListener(doc, 'DOMAttrModified',
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
39 self.do_attr_modified, None)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
40 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
41
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
42 def handle_doc_root(self, doc, root):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
43 self._doc = doc
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
44 self._root = root
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
45
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
46 self._start_check()
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
47 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
48
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
49 def _handle_unlinked_or_copied_nodes(self, node, child):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
50 try:
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
51 saved_id = child.getAttribute('saved_id')
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
52 except: # Skip it for losting saved_id
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
53 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
54 else:
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
55 child.setAttribute('ns0:duplicate-src', saved_id)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
56 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
57
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
58 try:
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
59 child_id = child.getAttribute('id')
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
60 except: # still have no ID.
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
61 pass # Assign saved_id later with attr
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
62 # modified event.
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
63 else:
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
64 child.setAttribute('saved_id', child_id)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
65 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
66 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
67
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
68 def _handle_new_nodes(self, node, child):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
69 if child.name() == 'svg:use':
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
70 return
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
71
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
72 try:
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
73 child_id = child.getAttribute('id')
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
74 except KeyError:
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
75 return
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
76 child.setAttribute('saved_id', child_id)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
77 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
78
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
79 ## \brief Check inserted node recurisvely.
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
80 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
81 # Travel the tree in post-order.
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
82 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
83 def _handle_insert_node_recursive(self, node, child):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
84 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
85 # Traveling forest of children.
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
86 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
87 for cchild in child.childList():
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
88 self._handle_insert_node_recursive(child, cchild)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
89 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
90
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
91 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
92 # Visit the node
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
93 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
94 try:
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
95 child_id = child.getAttribute('saved_id')
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
96 except KeyError: # have no saved_id
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
97 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
98 else:
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
99 self._handle_unlinked_or_copied_nodes(node, child)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
100 return
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
101
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
102 # have no saved_id
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
103 self._handle_new_nodes(node, child)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
104 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
105
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
106 def do_insert_node(self, node, child):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
107 self._handle_insert_node_recursive(node, child)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
108 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
109
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
110 def do_attr_modified(self, node, name, old_value, new_value):
1336
0b5ee9c90af7 Update components and timelines list for async changes on DOM
Thinker K.F. Li <thinker@codemud.net>
parents: 1300
diff changeset
111 if name == 'id' and node.name() != 'svg:use' and new_value:
1299
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
112 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
113 # The ID of a node may not be assigned when it being
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
114 # inserted, and be assigned later. So, we checking
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
115 # attribute modification event to assign value of
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
116 # saved_id.
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
117 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
118 node.setAttribute('saved_id', new_value)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
119 elif old_value and (name in self._no_change_attrs):
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
120 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
121 # Restore to old value for attributes that is not allowed
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
122 # to be changed by the user.
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
123 #
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
124 node.setAttribute(name, old_value)
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
125 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
126 pass
6949e2b6cae2 Add unlink clone checker.
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
127 pass