package greenfoot.guifx.classes;

import bluej.utility.javafx.JavaFXUtil;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.control.Label;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.MouseButton;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Paint;
import threadchecker.OnThread;
import threadchecker.Tag;




| The display of a single class in Greenfoot's class diagram.
|
| Note that due to anticipated re-use of this item in the right-hand class diagram,
| and the import-class dialog and maybe other places too, this class itself only
| handles display and selection.  All other functionality (e.g. context menus)
| is done externally as it is not used in all instances of ClassDisplay.
|
@OnThread(Tag.FXPlatform)
public class ClassDisplay
extends StackPane{    
   private final String fullyQualifiedName;
   
   
   
   private final BorderPane stripePane;
   
   private final Label contentLabel;

   
   


| @param displayName The class name to display (without package)
| @param image The image, if any (can be null)
| @param selectionManager The selection manager.  The constructor will add this
|                         class to the selection manager.
|
public ClassDisplay(String displayName, String fullyQualifiedName, Image image, ClassDisplaySelectionManager selectionManager)
   {        
      this.fullyQualifiedName = fullyQualifiedName;
      getStyleClass().add("class-display");
      setSnapToPixel(true);
       
      contentLabel = new Label(displayName);
       
      BorderPane content = new BorderPane(contentLabel);
      setImage(image);
      JavaFXUtil.addStyleClass(content, "class-display-content");
       
      stripePane = new BorderPane();
      getChildren().addAll(stripePane, content);
        
      selectionManager.addClassDisplay(this);
        
       
      
      
      addEventHandler(MouseEvent.MOUSE_CLICKED, e -> {
           
      
      if (e.getButton() == MouseButton.PRIMARY && e.getClickCount() == 1)
           {                
         
         
         selectionManager.select(this);
         e.consume();             
         }         
      });
   }

   



| Sets the graphical selected state of this class display
|
public void setSelected(boolean selected)
   {
   JavaFXUtil.setPseudoclass("gf-selected", selected, this);     
   }

   



| Gets the qualified name of the class
|
public String getQualifiedName()
   {        
   return fullyQualifiedName;     
   }

   



| Sets the image to the left of the class name
|
public void setImage(Image image)
   {
   if (image == null)
       {
      contentLabel.setGraphic(null);         
      }
       

   else
       {            
      ImageView imageView = new ImageView(image);
           
      
      imageView.setFitHeight(Math.min(image.getHeight(), 16));
      imageView.setFitWidth(Math.min(image.getWidth(), 16));
      imageView.setPreserveRatio(true);
      contentLabel.setGraphic(imageView);         
      }     
   }

   



| Sets the stripe pattern of this class (use Color.TRANSPARENT to mean none)
|
public void setStripePattern(Paint stripeFill)
   {        
   stripePane.setBackground(new Background(new BackgroundFill(stripeFill, null, null)));     
   } 
}