bzr branch
http://gegoxaren.bato24.eu/bzr/b-gtk/fix-viz
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256.2.29
by Gary van der Merwe
Implement a TreeModel that loads revisions incrementaly. |
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# -*- coding: UTF-8 -*-
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"""Tree model.
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"""
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__copyright__ = "Copyright © 2005 Canonical Ltd." |
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__author__ = "Gary van der Merwe <garyvdm@gmail.com>" |
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import gtk |
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import gobject |
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import pango |
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from bzrlib.osutils import format_date |
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REVID = 0 |
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NODE = 1 |
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LINES = 2 |
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LAST_LINES = 3 |
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REVNO = 4 |
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MESSAGE = 5 |
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COMMITER = 6 |
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TIMESTAMP = 7 |
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REVISION = 8 |
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PARENTS = 9 |
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CHILDREN = 10 |
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class TreeModel(gtk.GenericTreeModel): |
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def __init__ (self, branch, line_graph_data): |
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gtk.GenericTreeModel.__init__(self) |
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self.revisions = {} |
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self.branch = branch |
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self.line_graph_data = line_graph_data |
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def on_get_flags(self): |
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return gtk.TREE_MODEL_LIST_ONLY |
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def on_get_n_columns(self): |
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return 11 |
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def on_get_column_type(self, index): |
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if index == REVID: return gobject.TYPE_STRING |
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if index == NODE: return gobject.TYPE_PYOBJECT |
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if index == LINES: return gobject.TYPE_PYOBJECT |
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if index == LAST_LINES: return gobject.TYPE_PYOBJECT |
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if index == REVNO: return gobject.TYPE_STRING |
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if index == MESSAGE: return gobject.TYPE_STRING |
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if index == COMMITER: return gobject.TYPE_STRING |
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if index == TIMESTAMP: return gobject.TYPE_STRING |
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if index == REVISION: return gobject.TYPE_PYOBJECT |
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if index == PARENTS: return gobject.TYPE_PYOBJECT |
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if index == CHILDREN: return gobject.TYPE_PYOBJECT |
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def on_get_iter(self, path): |
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return path[0] |
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def on_get_path(self, rowref): |
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return rowref |
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def on_get_value(self, rowref, column): |
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(revid, node, lines, parents, |
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children, revno_sequence) = self.line_graph_data[rowref] |
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if column == REVID: return revid |
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if column == NODE: return node |
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if column == LINES: return lines |
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if column == PARENTS: return parents |
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if column == CHILDREN: return children |
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if column == LAST_LINES: |
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if rowref>0: |
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return self.line_graph_data[rowref-1][2] |
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return [] |
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if column == REVNO: return ".".join(["%d" % (revno) |
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for revno in revno_sequence]) |
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if revid not in self.revisions: |
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revision = self.branch.repository.get_revisions([revid])[0] |
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self.revisions[revid] = revision |
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else: |
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revision = self.revisions[revid] |
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if column == REVISION: return revision |
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if column == MESSAGE: return revision.message.split("\n")[0] |
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if column == COMMITER: return revision.committer |
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if column == TIMESTAMP: return format_date(revision.timestamp, |
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revision.timezone) |
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def on_iter_next(self, rowref): |
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if rowref < len(self.line_graph_data): |
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return rowref+1 |
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return None |
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def on_iter_children(self, parent): |
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if parent is None: return 0 |
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return None |
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def on_iter_has_child(self, rowref): |
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return False |
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def on_iter_n_children(self, rowref): |
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if rowref is None: return len(self.line_graph_data) |
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return 0 |
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def on_iter_nth_child(self, parent, n): |
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if parent is None: return n |
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return None |
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def on_iter_parent(self, child): |
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return None |