void OnLoad(object sender, RoutedEventArgs e)
{
if (!isLoaded)
{
isLoaded = true;
try
{
if (this.Children.Count > 0)
{
Label nameLabel = new Label();
nameLabel.Content = this.DiagramName;
nameLabel.Height = 25;
Canvas.SetTop(nameLabel, 0);
Canvas.SetLeft(nameLabel, 0);
this.Children.Add(nameLabel);
Canvas clsCanvas = null;
foreach (UIElement u in this.Children)
if (u is Canvas)
{
clsCanvas = u as Canvas;
break;
}
//positioning
if (clsCanvas != null)
{
//MessageBox.Show("in class canvas");
//position classes
foreach (UIElement uClass in clsCanvas.Children)
if (uClass is VisualElement)
if ((uClass as VisualElement).Content is UMLClass)//double check
{
Canvas.SetTop(uClass, 25 + (clsCanvas.Children.IndexOf(uClass) % 2) * 200);
Canvas.SetLeft(uClass, 5 + (clsCanvas.Children.IndexOf(uClass) / 2) * 350);
Canvas.SetZIndex(uClass, 9);
Canvas.SetZIndex(((uClass as VisualElement).Content as UMLClass), 9);
}
//reposition associations
foreach (UIElement uClass in clsCanvas.Children)
if (uClass is VisualElement)
if ((uClass as VisualElement).Content is UMLClass)//double check
if (((uClass as VisualElement).Content as UMLClass).getAssociations().Count > 0)
{
System.Collections.ObjectModel.Collection<UIElement> ass = new System.Collections.ObjectModel.Collection<UIElement>();
ass = ((uClass as VisualElement).Content as UMLClass).getAssociations();
foreach (UIElement assoc in ass)
if ((assoc as VisualElement).Content is UMLAssociation)
{
//UIElement start = uClass;
UIElement end = findClass(clsCanvas, ((assoc as VisualElement).Content as UMLAssociation).EndClass);
if ((end != null))//found end class
{
//int sindex = clsCanvas.Children.IndexOf(start);
int eindex = clsCanvas.Children.IndexOf(end);
//MessageBox.Show("found end class");
if (eindex >= 0)
{
Point sp = new Point(5, 30);
Point ep = new Point(5 + (eindex / 2) * 350, 30 + (eindex % 2) * 200);
//Point ep = new Point(Canvas.GetLeft((end as VisualElement).Content as UMLClass), Canvas.GetTop((end as VisualElement).Content as UMLClass));
//not a good approach
((assoc as VisualElement).Content as UMLAssociation).clearArrow();
((assoc as VisualElement).Parent as Canvas).Children.Remove(assoc as VisualElement);
this.Children.Add(assoc);
if (ep.X == 5)
{
Canvas.SetLeft(assoc, ep.X);
Canvas.SetTop(assoc, ep.Y - 60);
}
else if (ep.Y == 30)
{
Canvas.SetLeft(assoc, ep.X - 80);
Canvas.SetTop(assoc, ep.Y);
}
ArrowLine aline1 = new ArrowLine();
aline1.Stroke = System.Windows.Media.Brushes.Black;
aline1.StrokeThickness = 1;
aline1.IsArrowClosed = false;
aline1.X1 = sp.X;
aline1.Y1 = sp.Y;
aline1.X2 = ep.X;
aline1.Y2 = ep.Y;
this.Children.Add(aline1);
Canvas.SetZIndex(aline1, 1);
}
}
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
private void ItemElement_Drop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent("TreeNodeViewModel"))//Visualiser
{
TreeNodeViewModel sourceNode = e.Data.GetData("TreeNodeViewModel") as TreeNodeViewModel;
if (templateVM.HeaderNode != null && sourceLatticeNodeToMatch != null)
{
//string source = "";
//if (sourceNode.Name.Equals(templateVM.HeaderNode.Name))
// source = ".";
// else
string source = sourceNode.getRelativeAddress(templateVM.HeaderNode);
string target = ((sender as ListBoxItem).DataContext as Element).Address;//was t
//string target = t.Substring(t.IndexOf('/') + 1);
//MessageBox.Show("in element\n\nDragged\nSource: " + source + "\nTarget: " + target);
//MessageBox.Show("in element: "+ sourceNode.ToXML().OuterXml);
//============
processElement_TreeNodeDrop(source, target, sourceNode);
//============
//log event
(ParentWindow as Visualiser).logger.log("\"" + sourceNode.getRelativeAddress(templateVM.HeaderNode) + "\" was dropped on \"" + target + "\" attribute of Visual Element \"" + this.VEName + "\".", ReportIcon.OK);
}
else
ShowStatus("Please set the header node first!", ReportIcon.Error);
e.Handled = true;
AdornerLayer myAdornerLayer = AdornerLayer.GetAdornerLayer(this);
myAdornerLayer.Remove(visualDragAdorner);
}
else if ((e.Data.GetDataPresent("Element")) && (ParentWindow is Mapper))//Mapper
{
Element sourceElement = e.Data.GetData("Element") as Element;
Element targetElement = (sender as ListBoxItem).DataContext as Element;
//string rule = (sourceElement.Name + " : " + sourceElement.Address + " -> " + targetElement.Name + " : " + targetElement.Address);
string targetMatch = targetElement.Address.Substring(targetElement.Address.IndexOf('/') + 1);
string sourceMatch = sourceElement.Address.Substring(sourceElement.Address.IndexOf('/') + 1);
if ((ParentWindow as Mapper).NewTemplate != null)
(ParentWindow as Mapper).NewTemplate.updateXmlNodeByExactValue(targetMatch, sourceMatch, targetElement.Value);
//for reverse
if ((ParentWindow as Mapper).NewTemplateR != null)
(ParentWindow as Mapper).NewTemplateR.updateXmlNodeByExactValue(sourceMatch, targetMatch, sourceElement.Value);
//log event
(ParentWindow as Mapper).logger.log("Element \"" + sourceElement.Address + "\" was dropped on Element \"" + targetElement.Address + "\".", ReportIcon.OK);
e.Handled = true;
AdornerLayer myAdornerLayer = AdornerLayer.GetAdornerLayer(this);
myAdornerLayer.Remove(visualDragAdorner);
}
else if (e.Data.GetDataPresent("VisualElement"))//scheduling
{
VisualElement v = e.Data.GetData("VisualElement") as VisualElement;
string targetBase = ((sender as ListBoxItem).DataContext as Element).Address;
//what to replace
string target = targetBase.Substring(targetBase.IndexOf('/') + 1);
bool replaceElement = false;
string forwardTemplateCallName = "";
//get metamodel of source model example to find template element restructure
if (!target.ToLower().Equals("start"))//not start element of the scheduling
{
//update abstractions
AbstractTreeLatticeNode reference = this.abstractTree.getAbstractNodeAtAddress(targetBase);
reference.Children.Add(v.abstractTree.Root);
//update metamodel(create a partial model example)
v.abstractTree.Root.parent = reference;
if (ParentWindow != null)
{
if (ParentWindow is Visualiser)
{
try
{
string test = (ParentWindow as Visualiser).sourceASTL.RelativeAddressByName(this.templateVM.TemplateName, v.templateVM.TemplateName);
if (!String.IsNullOrEmpty(test))
forwardTemplateCallName = test;
//show new abstraction rendered in sample popup - commented due to error
//debugger
/*(this.ParentWindow as Visualiser).samplePopup.Child = rend.renderPartialVisualisation(this);
(this.ParentWindow as Visualiser).showSamplePopup(e.GetPosition(this.ParentWindow as Visualiser));*/
}
catch (Exception ex)
{
MessageBox.Show("Exception occured in ItemElement_Drop -> " + ex.ToString(), "Exception", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else if (ParentWindow is Mapper)//!! will not get trigered, mapper does not have start!
{
string test = (ParentWindow as Mapper).sourceASTL.RelativeAddressByName(this.templateVM.TemplateName, v.templateVM.TemplateName);
if (!String.IsNullOrEmpty(test))
forwardTemplateCallName = test;
}
}
else
forwardTemplateCallName = v.templateVM.TemplateName;
if (target.Equals(v.Data.Name))
{
ShowStatus("VisualElement-ItemElementDrop: setting replacement to true -> target = " + target + " v.Data.Name = " + v.Data.Name, ReportIcon.Warning);
replaceElement = true;
}
else
replaceElement = false;
}
else
{
forwardTemplateCallName = v.templateVM.TemplateName;
replaceElement = false;
}
templateVM.updateXmlNodeByTempalte(target, forwardTemplateCallName, replaceElement);
//log event
(ParentWindow as Visualiser).logger.log("\"" + v.VEName + "\" is set to be placed in \"" + target + "\" of Visual Element \"" + this.VEName + "\".", ReportIcon.OK);
//******for reverse*******
//************************
if (!target.ToLower().Equals("start"))//not start element of the scheduling
{
string reverseTemplateCallName = "";
string test = this.abstractTree.RelativeAddressByName(this.templateVMR.TemplateName, v.templateVMR.TemplateName);
if (!String.IsNullOrEmpty(test))
reverseTemplateCallName = test;
if (string.IsNullOrEmpty(reverseTemplateCallName))
reverseTemplateCallName = v.templateVMR.TemplateName;
if (v.templateVM.TemplateName.Equals(v.ReverseData.Name))
replaceElement = true;
else
replaceElement = false;
AbstractLattice tempReverseASTL = new AbstractLattice(this.ReverseData);
string toReplace = tempReverseASTL.RelativeAddressByName(this.templateVM.TemplateName, v.templateVM.TemplateName);
if (string.IsNullOrEmpty(toReplace))
toReplace = v.templateVM.TemplateName;
this.templateVMR.updateXmlNodeByTempalte(toReplace, reverseTemplateCallName, replaceElement);
}
else //we were at the start of scheduling
{
//create start for reverse template
this.templateVMR.updateXmlNodeByTempalte("start", v.templateVMR.TemplateName, false);
}
//generate arrow
if ((ParentWindow != null) && (ParentWindow is Visualiser))
{
//create Arrow
ArrowLine aline1 = new ArrowLine();
aline1.Stroke = Brushes.Black;
aline1.StrokeThickness = 2;
aline1.IsArrowClosed = true;
//get visual element center point
Point vePos = v.TransformToVisual((ParentWindow as Visualiser).schedulingCanvas).Transform(new Point(0, 0));
if (v.ActualWidth > 180)
aline1.X1 = vePos.X + 180 / 2;
else
aline1.X1 = vePos.X + v.ActualWidth / 2;
if (v.ActualHeight > 180)
aline1.Y1 = vePos.Y + 180 / 2;
else
aline1.Y1 = vePos.Y + v.ActualHeight / 2;
//Point lePos = (sender as ListBoxItem).TransformToVisual((current as Visualiser).schedulingCanvas).Transform(new Point(0, 0));
aline1.X2 = e.GetPosition((ParentWindow as Visualiser).schedulingCanvas).X + (sender as ListBoxItem).ActualWidth / 2;
aline1.Y2 = e.GetPosition((ParentWindow as Visualiser).schedulingCanvas).Y;
Canvas.SetZIndex(aline1, 2);
(ParentWindow as Visualiser).schedulingCanvas.Children.Add(aline1);
}
e.Handled = true;
AdornerLayer myAdornerLayer = AdornerLayer.GetAdornerLayer(this);
myAdornerLayer.Remove(visualDragAdorner);
}
else if (e.Data.GetDataPresent("VisualFunctionElementDragObject"))//Visualiser functions
{
VisualFunctionElementDragObject eleDrag = e.Data.GetData("VisualFunctionElementDragObject") as VisualFunctionElementDragObject;
if (ParentWindow is Visualiser)
{
string t = ((sender as ListBoxItem).DataContext as Element).Address;
string target = t.Substring(t.IndexOf('/') + 1);//target is where the output goes
templateVM.updateXmlNodeByVariableName(target, "$" + eleDrag.element.Value);
//for reverse generation
eleDrag.function.updateOutput(eleDrag.element.Value, target);
//draw the line conecting both elements
//for reverse
//needs to first check if all args of the input have been matched before dragging the output
//get elements participating in function
XmlNode functionData = eleDrag.function.Data;
XmlNode forwardInputs = functionData.SelectSingleNode("inputs");
foreach (XmlNode x in forwardInputs.ChildNodes)
{
//look for output variable name
string outputString = "output" + x.Name.Substring(3);//x.Name is like arg1
templateVMR.updateXmlNodeByVariableName(x.InnerText, "$" + outputString);
}
//log event
(ParentWindow as Visualiser).logger.log("Function element \"" + eleDrag.element.Address + "\" was dropped on \"" + target + "\" of Visual Element \"" + this.VEName + "\".", ReportIcon.OK);
e.Handled = true;
}
else if (ParentWindow is Mapper)
{
string t = ((sender as ListBoxItem).DataContext as Element).Address;
string target = t.Substring(t.IndexOf('/') + 1);//target is where the output goes
(ParentWindow as Mapper).NewTemplate.updateXmlNodeByVariableName(target, "$" + eleDrag.element.Value);
//for reverse generation
eleDrag.function.updateOutput(eleDrag.element.Value, target);
//draw the line conecting both elements
//for reverse
//needs to first check if alll args of the input have been matched before dragging the output
//get elements participating in function
XmlNode functionData = eleDrag.function.Data;
XmlNode forwardInputs = functionData.SelectSingleNode("inputs");
foreach (XmlNode x in forwardInputs.ChildNodes)
{
//look for output variable name
string outputString = "output" + x.Name.Substring(3);//x.Name is like arg1
//if X is constant value, then it has come from nowhere! (from th pannel of constant values)
//therefore it will not be considered for puttin back to its place becouse it is considered
//as lossy data -> for futur processing
//so:
double Num;
bool isNum = double.TryParse(x.InnerText, out Num);
if (!(isNum) && !(x.InnerText.StartsWith("'"))) //is not a constant number or string
(ParentWindow as Mapper).NewTemplateR.updateXmlNodeByVariableName(x.InnerText, "$" + outputString);
}
//log event
(ParentWindow as Mapper).logger.log("Function element \"" + eleDrag.element.Address + "\" was dropped on \"" + target + "\" of Visual Element \"" + this.VEName + "\".", ReportIcon.OK);
e.Handled = true;
}
AdornerLayer myAdornerLayer = AdornerLayer.GetAdornerLayer(this);
myAdornerLayer.Remove(visualDragAdorner);
}
else if (e.Data.GetDataPresent("VisualCondition"))//Visualiser Conditions
{
VisualCondition cond = (e.Data.GetData("VisualCondition") as VisualCondition);
string t = ((sender as ListBoxItem).DataContext as Element).Address;
string target = t.Substring(t.IndexOf('/') + 1);//target is where the output goes
if (ParentWindow is Visualiser)
{
templateVM.updateNodeByCondition(target, cond.getConditionCode());
//log event
(ParentWindow as Visualiser).logger.log("Condition \"" + cond.Name + "\" was dropped on \"" + target + "\" of Visual Element \"" + this.VEName + "\".", ReportIcon.OK);
}
else if (ParentWindow is Mapper)
{
(ParentWindow as Mapper).NewTemplate.updateNodeByCondition(target, cond.getConditionCode());
//log event
(ParentWindow as Mapper).logger.log("Condition \"" + cond.Name + "\" was dropped on \"" + target + "\" of Visual Element \"" + this.VEName + "\".", ReportIcon.OK);
}
//no reverse for conditions yet
e.Handled = true;
AdornerLayer myAdornerLayer = AdornerLayer.GetAdornerLayer(this);
myAdornerLayer.Remove(visualDragAdorner);
}
else
ShowStatus("Unrecognised drag element -> " + e.Data.GetType().ToString(), ReportIcon.Error);
}
private void generateChartArea(int h, int w , int barcount)
{
int width = w;
this.Width = width;
this.Height = h;
int barLabelGap = (barcount == 0 ? 5 : 25);
//create axes
//X
ArrowLine xaxis = new ArrowLine();
xaxis.Stroke = Brushes.Black;
xaxis.StrokeThickness = 2;
xaxis.IsArrowClosed = true;
xaxis.ArrowLength = 4;
xaxis.X1 = 5;
xaxis.Y1 = Height - barLabelGap - 5;
xaxis.X2 = width - 5;
xaxis.Y2 = xaxis.Y1;
Canvas.SetLeft(xaxis, 0);
Canvas.SetTop(xaxis, 0);
this.Children.Add(xaxis);
//Y
ArrowLine yaxis = new ArrowLine();
yaxis.Stroke = Brushes.Black;
yaxis.StrokeThickness = 2;
yaxis.IsArrowClosed = true;
yaxis.ArrowLength = 4;
yaxis.X1 = 10;
yaxis.Y1 = h - barLabelGap;
yaxis.X2 = yaxis.X1;
yaxis.Y2 = 5;
Canvas.SetLeft(yaxis, 0);
Canvas.SetTop(yaxis, 0);
this.Children.Add(yaxis);
}
public void drawArrow(Point start, Point end)
{
clearArrow();
double CentreX = Canvas.GetLeft(this);
double CentreY = Canvas.GetTop(this);
//Canvas.SetTop(this, 0);
//Canvas.SetLeft(this, 0);
ArrowLine aline1 = getArrow();
if (aline1 == null)
aline1 = new ArrowLine();
aline1.Stroke = Brushes.Black;
aline1.StrokeThickness = 1;
aline1.IsArrowClosed = false;
aline1.X1 = start.X;
aline1.Y1 = start.Y;
aline1.X2 = end.X;
aline1.Y2 = end.Y;
Canvas.SetLeft(aline1, 0);
Canvas.SetTop(aline1, 0);
//Canvas.SetZIndex(aline1, 2);
this.Children.Add(aline1);
}
