void myLine_MouseDown(object sender, MouseButtonEventArgs e)
{
if (MessageBox.Show("Delete Relationship?", "", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
Line line = (Line)sender;
mainCanvas.Children.Remove(line);
var query =
from entrys in Mapping
where GetLineName(entrys.Source, entrys.Target) == line.Name
select entrys;
var todelete = query.FirstOrDefault();
if (todelete != null)
{
ListViewItem sourceItem = null;
foreach (ListViewItem sitem in ListBoxSource.Items)
{
if (sitem.Content.ToString() == todelete.Source)
{
sourceItem = sitem;
}
}
sourceItem.Height = ITEMHEIGHT;
sourceItem.Background = Brushes.White;
DataMapping r = new DataMapping()
{
Source = todelete.Source,
Target = todelete.Target
};
Mapping.Remove(todelete);
if (this.MappingRowDeleted != null)
{
MappingRowDeleted(r);
}
}
}
}
public void DrawLine(ListViewItem sourceItem, ListViewItem targetItem, bool isnew)
{
try
{
if (sourceItem != null)
{
DrawingGroup hu = VisualTreeHelper.GetDrawing(sourceItem);
Line drawLine = new Line();
int position = (ListBoxSource.Items.IndexOf(sourceItem));
drawLine.X1 = ListBoxSource.ActualWidth; //X of LineStart
drawLine.Y1 = 9 + (position * ITEMHEIGHT); //Y of LineStart
double test = ListBoxTarget.Margin.Left;
drawLine.X2 = mainCanvas.ActualWidth; //X of LineEnd
drawLine.Y2 = 9; //Y of LineEnd
drawLine.Y2 -= (verticaloffset * 1); //1.0021
drawLine.Y2 += (verticaoffsets * 1);
int post = (ListBoxTarget.Items.IndexOf(targetItem));
drawLine.Y2 += (post * ITEMHEIGHT);
drawLine.Stroke = new SolidColorBrush(Color.FromRgb(58, 162, 230));
sourceItem.Height = ITEMHEIGHT;
sourceItem.Background = new SolidColorBrush(Color.FromRgb(58, 162, 230));
sourceItem.Foreground = Brushes.White;
drawLine.StrokeThickness = 1;
String name = GetLineName(sourceItem.Content.ToString(), targetItem.Content.ToString());
drawLine.Name = name;
if (!isnew)
{
mainCanvas.Children.Add(drawLine);
}
drawLine.MouseDown += new MouseButtonEventHandler(myLine_MouseDown);
if (isnew)
{
Boolean isallredimapped = false;
foreach (DataMapping item in mapping)
{
if (GetLineName(item.Source, item.Target) == name)
{
isallredimapped = true;
}
}
if (!isallredimapped)
{
mainCanvas.Children.Add(drawLine);
DataMapping r = new DataMapping()
{
Target = StoreTooltipInTargetMappingInsteadOfContent == false?targetItem.Content.ToString() : targetItem.ToolTip.ToString(),
Source = StoreTooltipInSourceMappingInsteadOfContent == false?sourceItem.Content.ToString() : sourceItem.ToolTip.ToString()
};
Mapping.Add(r);
if (this.MappingRowAdded != null)
{
MappingRowAdded(r);
}
}
}
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}