package frame;

//Import section
import java.awt.Cursor;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.util.ArrayList;

import javax.swing.event.MouseInputAdapter;

//TODO legacy support checker in a different class
/**
 * Mouse Listener customized for SlideBrowserPanel user interaction
 * 
 * MouseAdapter okay for j2se 1.6+
 * Use MouseInputAdapter for j2se 1.5-
 * 
 * @param Panel that made/added the adapter
 * @return
 */
public class mouseAction extends MouseInputAdapter{
	//Class variables
	private SlideBrowserPanel sbp;
	int doubleClickSpeed = 300;
	long mouseDownTime;
	Point lastClickPos;
	
	//Constructor
	public mouseAction(SlideBrowserPanel r)
	{
		//Separates mouse actions to associate
		//with given panel
		sbp = r;
		mouseDownTime = 0;
		lastClickPos = new Point(0,0);
	}

	//Mouse Listener methods
	
	public void mouseClicked(MouseEvent e) {
		// TODO Whatever we need to do
		
		//Double Click checker
		lastClickPos = e.getPoint();
		Rectangle box = new Rectangle(e.getPoint());
		box.grow(3, 3);
		long currentTime = System.currentTimeMillis();
		if(box.contains(lastClickPos) && ((currentTime - mouseDownTime) < doubleClickSpeed))
		{
			//Do double click action at point
			sbp.checkNodeDoubleClick(e.getPoint());
		}
		else
		{
			//Do single click action at point
			sbp.checkNodeClick(e.getPoint());
			mouseDownTime = currentTime;
			lastClickPos = e.getPoint();
		}
		sbp.repaint();
	}

	public void mouseEntered(MouseEvent e) {}

	public void mouseExited(MouseEvent e) {}

	public void mousePressed(MouseEvent e) {
		sbp.checkNodeClick(e.getPoint());
		if(e.isPopupTrigger()) {
			showPopUp(e);
			sbp.repaint();
		}
	}

	public void mouseReleased(MouseEvent e) {
		sbp.checkNodeClick(e.getPoint());
		if(e.isPopupTrigger()) {
			showPopUp(e);
			sbp.repaint();
		}
	}
	
	//Mouse Motion Listener methods
	
	public void mouseDragged(MouseEvent e) {
		//Update mouse x and y and icons
		sbp.updatePosition(e.getPoint());
		sbp.repaint();
		//TODO icon resizing
	}

	public void mouseMoved(MouseEvent e) {
		//Animate when over stuff for emphasis?
		
		// If cursor is not over edge of hit box reset it to the default.
		Point p = e.getPoint();
		ArrayList<NodeItem> nodeList = sbp.getNodeList();
		for(int i = 0; i < nodeList.size(); i++)
		{
			if(!nodeList.get(i).onDragEdge(p)) {
				if(sbp.getCursor() != Cursor.getDefaultCursor()) {
					sbp.setCursor(Cursor.getDefaultCursor());
					//sbp.repaint();
				}
			}
		}
	}
	
	/**
	 * Show Popup menu when right button is clicked @ pointer
	 * 
	 * @param MouseEvent, PopupTrigger
	 */
	private void showPopUp(MouseEvent e)
	{
		sbp.showPopUp(e.getComponent(), e.getPoint());
		sbp.repaint();
	}
}