package bluej.debugmgr.inspector;

import javafx.beans.value.ObservableDoubleValue;
import javafx.beans.value.ObservableValue;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.LinearGradient;
import javafx.scene.paint.Paint;
import javafx.scene.paint.Stop;
import javafx.scene.shape.Rectangle;

import bluej.utility.javafx.JavaFXUtil;
import bluej.utility.javafx.ResizableCanvas;
import threadchecker.OnThread;
import threadchecker.Tag;




| Created by neil on 29/09/2016.
|
@OnThread(Tag.FXPlatform)
public class ObjectBackground
extends ResizableCanvas{    
   private final double cornerSize;
   
   private final ObservableDoubleValue lineWidth;

   
   public ObjectBackground(double cornerSize, ObservableDoubleValue lineWidth)
   {        
      this.cornerSize = cornerSize;
       
      this.lineWidth = lineWidth;
      JavaFXUtil.addChangeListenerPlatform(widthProperty(), w -> redrawContent());
      JavaFXUtil.addChangeListenerPlatform(heightProperty(), h -> redrawContent());
      JavaFXUtil.addChangeListenerPlatform(lineWidth, d -> redrawContent());

       
      Rectangle clip = new Rectangle();
      clip.widthProperty().bind(widthProperty());
      clip.heightProperty().bind(heightProperty());
      clip.setArcWidth(10.0);
      clip.setArcHeight(10.0);
      setClip(clip);     
      }

   
   private void redrawContent()
   {
      GraphicsContext gc = getGraphicsContext2D();
      double w = getWidth();
      double h = getHeight();

       
      final Paint fill = new javafx.scene.paint.Color(227.0 / 255.0, 71.0 / 255.0, 71.0 / 255.0, 1.0);
      gc.setFill(fill);
      gc.fillRect(0, 0, w, h);

      gc.setStroke(Color.BLACK);
      gc.setLineWidth(lineWidth.get());
      gc.strokeRoundRect(0, 0, w, h, cornerSize, cornerSize);     
      } 
   }