//public void RedrawGraph()
//{
// //LayoutMode bak = GLayoutMode.mode;
// //GLayoutMode.mode = MyLayoutMode;
// RedrawGraph_();
// //GLayoutMode.mode = bak;
//}
public void RedrawGraph()
{
if (TagDB != null && RootTag != null && oriSize.Height != 0 && oriSize.Width != 0 && !oriSize.IsEmpty)
{
Logger.I("ShowGraph at " + RootTag);
if (allTagBox != null)
{
env.Return(allTagBox);
}
if (allLine != null)
{
env.Return(allLine);
}
//canvasRecentTags.Children.Clear();
//计算有向图布局
ITagLayout tagLayout = TagLayoutFactory.CreateLayout(MyLayoutMode);
tagLayout.Layout(TagDB, RootTag, oriSize, env);
//将有向图中的元素显示在界面上
IEnumerable <UIElement> lines = tagLayout.Lines;
IEnumerable <UIElement> allTxt = tagLayout.TagArea;
allTagBox = allTxt as List <TagBox>;
allLine = lines as List <System.Windows.Shapes.Path>;
AdjustCanvasSize(tagLayout.Size.Width, tagLayout.Size.Height);
//canvas.Width = tagLayout.Size.Width;
//canvas.Height = tagLayout.Size.Height;
//SetHeight();
foreach (UIElement l in lines)
{
if (!l.IsVisible)
{
canvas.Children.Add(l);
}
}
foreach (TagBox t in allTxt)
{
//设置每一个tag的上下文菜单和事件响应钩子
if (t.ContextMenu == null)
{
t.ContextMenu = TagAreaMenu;
t.MouseLeftButtonDown += Tag_MouseLeftButtonDown;
t.MouseDoubleClick += Tag_MouseDoubleClick;
canvas.Children.Add(t);
}
}
//UpdateRecentTags(root);
//SetCurrentTag(root);
SetCurrentTag();
}
}
public void test()
{
ITagDB tagdb = TagDBFactory.CreateTagDB();
tagdb.AddTag("parent", "child");
ITagLayout lay = TagLayoutFactory.CreateLayout();
lay.Layout(tagdb, "parent");
Assert.AreEqual(2, lay.Lines.Count());
Assert.AreEqual(2, lay.TagArea.Count());
}
