package com.robonobo.gui.components;

import static com.robonobo.gui.GuiUtil.*;
import static com.robonobo.gui.RoboColor.*;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.*;

import com.robonobo.gui.RoboFont;
import com.robonobo.gui.components.base.*;
import com.robonobo.gui.frames.RobonoboFrame;
import com.robonobo.gui.panels.LeftSidebar;

/**
 * A simple label in the left sidebar that can be selected
 * @author macavity
 *
 */
public abstract class LeftSidebarSelector extends JPanel implements LeftSidebarComponent {
	public boolean selected;
	protected LeftSidebar sideBar;
	protected RobonoboFrame frame;
	protected String cpName;
	protected RLabel lbl;
	private static final Dimension SIZE = new Dimension(188, 20);

	public LeftSidebarSelector(LeftSidebar sideBar, RobonoboFrame frame, String label, boolean lblBold, Icon icon, String contentPanelName) {
		this.sideBar = sideBar;
		this.frame = frame;
		this.cpName = contentPanelName;
		setOpaque(true);
		setAlignmentX(0f);
		setBorder(BorderFactory.createEmptyBorder(0, 8, 0, 1));
		setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
		setPreferredSize(SIZE);
		setMinimumSize(SIZE);
		setMaximumSize(SIZE);
		lbl = (lblBold) ? new RLabel12B(label, icon, JLabel.LEFT) : new RLabel12(label, icon, JLabel.LEFT);
		lbl.setOpaque(false);
		add(lbl);
		addMouseListener(new MouseListener());
	}

	public void relinquishSelection() {
		setSelected(false);
	}
	
	public void setSelected(boolean isSelected) {
		if (isSelected) {
			frame.mainPanel.selectContentPanel(cpName);
			sideBar.clearSelectionExcept(this);
		}
		this.selected = isSelected;
		updateColors();
	}

	protected void updateColors() {
		setForeground(fgColor(selected));
		setBackground(bgColor(selected));
		markAsDirty(this);
	}

	protected Color fgColor(boolean isSel) {
		if(isSel)
			return BLUE_GRAY;
		else 
			return DARK_GRAY;
	}
	
	protected Color bgColor(boolean isSel) {
		if(isSel)
			return LIGHT_GRAY;
		else
			return MID_GRAY;
	}
	
	public void setIcon(Icon icon) {
		lbl.setIcon(icon);
	}
	
	public void setBold(boolean bold) {
		lbl.setFont(RoboFont.getFont(12, bold));
	}
	
	public void setText(String text) {
		lbl.setText(text);
	}
	
	protected JPopupMenu getPopupMenu() {
		return null;
	}
	
	class MouseListener extends MouseAdapter {
		@Override
		public void mousePressed(MouseEvent e) {
			setSelected(true);
			maybeShowPopup(e);
			e.consume();
		}
		
		public void mouseReleased(MouseEvent e) {
			maybeShowPopup(e);
		}

		private void maybeShowPopup(MouseEvent e) {
			if (!e.isPopupTrigger())
				return;
			JPopupMenu popup = getPopupMenu();
			if(popup != null)
				popup.show(e.getComponent(), e.getX(), e.getY());
		}

	}
}