package Classes.css.user;

import Classes.css.core.Context;
import Classes.css.core.Ruleset;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Bounds;
import javafx.scene.Node;
import javafx.scene.control.ScrollPane;
import javafx.scene.layout.FlowPane;

public class ContainerScrollStyleSheet{
	
	/* Builds all necessary CSS/layout rules */
	public ContainerScrollStyleSheet(Node target) throws Exception{
		
		/* (1) Set rules */
		Ruleset.load(target)
			.add("top", Context.getInt("header-height") )
			.add("left", Context.getInt("submenu-width") + Context.getInt("menu-width") - 3)
			.add("right", 0)
//			.add("pref-height", )
			.apply();
		
		/* (2) Manage dynamic 1st children bounds to it */
		ScrollPane spane = (ScrollPane) target;
		
		spane.layoutBoundsProperty().addListener(new ChangeListener(){
			
			@Override
			public void changed(ObservableValue observable, Object oldValue, Object newValue) {
				FlowPane child = (FlowPane) spane.getContent();
				child.setPrefWidth(  spane.getLayoutBounds().getWidth() );
				child.setPrefHeight( spane.getLayoutBounds().getHeight() );
				
			}
		});
		
	}

}