private void ModelItemChanged(Topic source, TopicChanged.ChangeArt art) {
if(art==TopicChanged.ChangeArt.Add) {
return;
}
try {
DrawingVisual cur;
if(art==TopicChanged.ChangeArt.Value) {
if(source.name=="_width") {
var w=model.Get<long>("_width");
if(w.value==0) {
w.saved=true;
w.value=24;
}
this.Width=w.value*LogramView.CellSize;
} else if(source.name=="_height") {
var h=model.Get<long>("_height");
if(h.value<=0) {
h.saved=true;
h.value=24;
}
this.Height=h.value*LogramView.CellSize;
} else if(source.valueType==typeof(Topic)) {
if(!_visuals.Where(z => z is uiAlias).Cast<uiAlias>().Any(z => z.model==source)) {
cur=new uiAlias(source as DVar<Topic>, this);
}
} else if(source.valueType==typeof(PiStatement)) {
if(!_visuals.Where(z => z is uiStatement).Cast<uiStatement>().Any(z => z.model==source)) {
System.Threading.Thread.Sleep(180); // filling of the fields executed by the broker
cur=new uiStatement(source as DVar<PiStatement>, this);
}
} else if(source.valueType==typeof(PiWire)) {
if(!_visuals.Where(z => z is uiWire).Cast<uiWire>().Any(z => z.GetModel()==source)) {
cur=new uiWire(source as DVar<PiWire>, this);
}
} else if(source.valueType==typeof(PiTracer)) {
if(!_visuals.Where(z => z is uiTracer).Cast<uiTracer>().Any(z => z.GetModel()==source)) {
cur=new uiTracer(source as DVar<PiTracer>, this);
}
}
}
}
catch(Exception ex) {
Log.Error("Schema.ModelItemChanged({0}, {1}) - {2}", art, source.path, ex.Message);
}
}
protected override void OnMouseMove(MouseEventArgs e) {
var cp=e.GetPosition(this);
if(IsMouseCaptured && Keyboard.IsKeyDown(Key.LeftCtrl)) {
var pnt=(IInputElement)this.Parent;
Point p=e.GetPosition(pnt);
double toX=startOffset.X+p.X-ScreenStartPoint.X;
double toY=startOffset.Y+p.Y-ScreenStartPoint.Y;
_translateTransform.X=toX;
_translateTransform.Y=toY;
} else if(e.LeftButton==MouseButtonState.Pressed && (move || (Math.Abs(cp.X-ScreenStartPoint.X)>SystemParameters.MinimumHorizontalDragDistance || Math.Abs(cp.Y-ScreenStartPoint.Y)>SystemParameters.MinimumVerticalDragDistance))) {
move=true;
if(selected!=null) {
SchemaElement el;
uiWire w;
uiPin pin;
if((el=selected as SchemaElement)!=null) {
el.SetLocation(new Vector(el.OriginalLocation.X+(cp.X-ScreenStartPoint.X), el.OriginalLocation.Y+(cp.Y-ScreenStartPoint.Y)), false);
} else if((pin=selected as uiPin)!=null) {
w=new uiWire(selected as uiPin, this);
w.Update(ScreenStartPoint);
selected=w;
} else if((w=selected as uiWire)!=null && w.B==null) {
w.Update(cp);
}
} else if(_mSelected!=null) {
foreach(var el in _mSelected.Where(z=>!(z is uiTracer))) {
el.SetLocation(new Vector(el.OriginalLocation.X+(cp.X-ScreenStartPoint.X), el.OriginalLocation.Y+(cp.Y-ScreenStartPoint.Y)), false);
}
} else {
if(!_multipleSelection) {
_multipleSelection=true;
base.AddVisualChild(_mSelectVisual);
}
using(DrawingContext dc=_mSelectVisual.RenderOpen()) {
dc.DrawRectangle(null, Schema.SelectionPen, new Rect(ScreenStartPoint, cp));
}
}
} else {
base.OnMouseMove(e);
}
}
public void Attach(DVar<PiLogram> model) {
if(this.model!=model) {
this.model=model;
var w=model.Get<long>("_width");
if(w.value==0) {
w.saved=true;
w.value=24;
}
this.Width=w.value*LogramView.CellSize;
var h=model.Get<long>("_height");
if(h.value<=0) {
h.saved=true;
h.value=24;
}
this.Height=h.value*LogramView.CellSize;
_map.Clear();
DrawingVisual cur;
foreach(var p in model.children.Where(z => z.valueType==typeof(Topic)).Cast<DVar<Topic>>()) {
try {
cur=new uiAlias(p, this);
}
catch(Exception ex) {
Log.Error("create uiAlias({0}) - {1}", p.path, ex.ToString());
}
}
foreach(var p in model.children.Where(z => z.valueType==typeof(PiStatement)).Cast<DVar<PiStatement>>()) {
try {
cur=new uiStatement(p, this);
}
catch(Exception ex) {
Log.Error("create uiStatement({0}) - {1}", p.path, ex.ToString());
}
}
foreach(var p in model.children.Where(z => z.valueType==typeof(PiWire)).Cast<DVar<PiWire>>()) {
try {
cur=new uiWire(p, this);
}
catch(Exception ex) {
Log.Error("create uiWire({0}) - {1}", p.path, ex.ToString());
}
}
foreach(var p in model.children.Where(z => z.valueType==typeof(PiTracer)).Cast<DVar<PiTracer>>()) {
try {
cur=new uiTracer(p, this);
}
catch(Exception ex) {
Log.Error("create uiTracer({0}) - {1}", p.path, ex.ToString());
}
}
model.Subscribe("+", ModelChanged);
}
}
