private void DrawLine(MDF_ConnectItemModel from, MDF_ConnectItemModel to)
{
if (from == null || to == null)
{
return;
}
MDF_Line line = CreateLine(new MDF_ConnectLineModel()
{
From = from.Key, To = to.Key
});
if (line == null)
{
return;
}
ComputeLineInfo(line);
if (LineSource == null)
{
LineSource = new ObservableCollection <MDF_ConnectLineModel>();
}
LineSource.Add(line.DataContext as MDF_ConnectLineModel);
SelectedItem = null;
this.UpdateLayout();
}
private void ChangeSelectedDraw(MDF_ConnectItemModel to, MDF_ConnectItemModel from)
{
if (AllowDraw)
{
DrawLine(from, to);
}
}
/// <summary>
/// 根据下标添加Grid
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
private Grid CreateGrid(MDF_ConnectItemModel item)
{
if (!m_dicgrid.ContainsKey(item.RealColumnIndex))
{
gridMain.ColumnDefinitions.Add(new ColumnDefinition());
Grid grd = new Grid();
grd.SetBinding(Grid.ColumnProperty, new Binding()
{
Source = item, Path = new PropertyPath("RealColumnIndex")
});
m_dicgrid.Add(item.RealColumnIndex, grd);
gridMain.Children.Add(grd);
}
return(m_dicgrid[item.RealColumnIndex]);
}
private void AddItem(MDF_ConnectItemModel item)
{
if (item == null)
{
return;
}
if (m_dicitem.ContainsKey(item.Key))
{
return;
}
Grid grd = CreateGrid(item);
grd.RowDefinitions.Add(new RowDefinition());
ConnectItem citem = new ConnectItem();
citem.SetBinding(ConnectItem.StyleProperty, new Binding()
{
Source = this, Path = new PropertyPath("ConnectItemStyle")
});
citem.SetBinding(Grid.RowProperty, new Binding()
{
Source = item, Path = new PropertyPath("RealRowIndex")
});
citem.DataContext = item;
if (citem.Height < 20 || double.IsNaN(citem.Height))
{
citem.Height = 20;
}
if (citem.Width < 20 || double.IsNaN(citem.Width))
{
citem.Width = 20;
}
m_dicitem.Add(item.Key, citem);
grd.Children.Add(citem);
citem.ItemChecked += citem_ItemChecked;
}
private void SetItemSelected(MDF_ConnectItemModel model, MDF_ConnectItemModel oldmodel)
{
if (oldmodel != null)
{
if (m_dicitem.ContainsKey(oldmodel.Key))
{
m_dicitem[oldmodel.Key].Checked = false;
}
}
if (model == null)
{
return;
}
if (!m_dicitem.ContainsKey(model.Key))
{
return;
}
m_dicitem[model.Key].Checked = true;
}
