/**

  * Copyright 2009 Timothy Johnston Licensed under the Apache License, Version 2.0 (the "License"); you may not use this

  * file except in compliance with the License. You may obtain a copy of the License at

  * 

  * http://www.apache.org/licenses/LICENSE-2.0

  * 

  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on

  * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the

  * specific language governing permissions and limitations under the License.

  */

 package com.timjohnstondev.unitconverter.view;

 import java.awt.Color;

 import java.awt.Dimension;

 import java.awt.Image;

 import java.awt.event.MouseEvent;

 import java.awt.event.MouseMotionListener;

 import java.net.URL;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.ResourceBundle;

 import java.util.logging.Logger;

 import java.util.prefs.Preferences;

 import javax.swing.BoxLayout;

 import javax.swing.ImageIcon;

 import javax.swing.JFrame;

 import com.timjohnstondev.unitconverter.Launcher;

 import com.timjohnstondev.unitconverter.controller.LogicController;

 import com.timjohnstondev.unitconverter.controller.ModelController;

 import com.timjohnstondev.unitconverter.view.listener.FactorChangeEvent;

 import com.timjohnstondev.unitconverter.view.listener.FactorChangeListener;

 /**

  * This is the main class for this application. It sets the initial configuration for all panels. All configuration

  * changes come to the {@code UnitConverter} and get distributed to the other panels.

  */

 public class UnitConverter extends JFrame implements MouseMotionListener, FactorChangeListener, Configuration

 {

   private static Logger logger = Logger.getLogger(UnitConverter.class.getName());

   private LogicController logicController;

   private ModelController modelController;

   private TopPanel topPanel;

   private UnitLabelPanel unitLabelPanel;

   private UnitPanel unitPanel;

   private String prefKeyBackground;

   private String prefKeyForeground;

   private ResourceBundle resources;

   /**

    * Constructs a {@code UnitConverter}. Sets the initial configuration for all panels.

    */

   public UnitConverter()

   {

     setSize(new Dimension(500, 650));

     setLocationRelativeTo(null);

     setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

     setLayout(new BoxLayout(getContentPane(), BoxLayout.PAGE_AXIS));

     setResizable(false);

     loadResources();

     logicController = new LogicController();

     modelController = new ModelController();

     topPanel = new TopPanel(this, modelController);

     unitLabelPanel = new UnitLabelPanel();

     unitPanel = new UnitPanel(modelController);

     unitPanel.addFactorChangeListener(this);

     add(topPanel);

     add(unitLabelPanel);

     add(unitPanel);

     setColors();

     setFontSize();

     setIconImage(getImage());

   }

   private void loadResources()

   {

     resources = ResourceBundle.getBundle("com.timjohnstondev.unitconverter.view.View");

     setTitle(resources.getString("UnitConverter.title"));

     prefKeyBackground = resources.getString("UnitConverter.prefKeyBackground");

     prefKeyForeground = resources.getString("UnitConverter.prefKeyForeground");

   }

   private void setFontSize()

   {

     setFontSize(logicController.getFontSizePreference(getContentPane().getFont().getSize()));

   }

   private void setColors()

   {

     setBackgroundColor(getColorPreference(prefKeyBackground));

     setForegroundColor(getColorPreference(prefKeyForeground));

   }

   @Override

   public final void setForegroundColor(final Color color)

   {

     topPanel.setForegroundColor(color);

     unitLabelPanel.setForegroundColor(color);

     unitPanel.setForegroundColor(color);

     getContentPane().setForeground(color);

     setColorPreference(color, prefKeyForeground);

   }

   @Override

   public final void setBackgroundColor(final Color color)

   {

     topPanel.setBackgroundColor(color);

     unitLabelPanel.setBackgroundColor(color);

     unitPanel.setBackgroundColor(color);

     getContentPane().setBackground(color);

     setColorPreference(color, prefKeyBackground);

   }

   private void setColorPreference(final Color color, final String colorPref)

   {

     final Preferences userPref = Preferences.userNodeForPackage(Launcher.class);

     userPref.put(colorPref, String.valueOf(color.getRed()) + "," + String.valueOf(color.getGreen()) + ","

         + String.valueOf(color.getBlue()));

   }

   private Color getColorPreference(final String colorPref)

   {

     final Preferences userPref = Preferences.userNodeForPackage(Launcher.class);

     final String[] defaultColors = new String[3];

     String[] colors = userPref.get(colorPref, "").split(",");

     if (colors.length < 3)

     {

       colors = defaultColors;

     }

     return getColor(colorPref, colors[0], colors[1], colors[2]);

   }

   private Color getColor(final String colorPref, final String redStr, final String greenStr, final String blueStr)

   {

     Color color = getContentPane().getBackground();

     if (colorPref.equals(prefKeyForeground))

     {

       color = getContentPane().getForeground();

     }

     try

     {

       final int red = Integer.parseInt(redStr);

       final int green = Integer.parseInt(greenStr);

       final int blue = Integer.parseInt(blueStr);

       color = new Color(red, green, blue);

     }

     catch (NumberFormatException e)

     {

       logger.info("No colors stored in preferences, using default colors.");

     }

     return color;

   }

   private Image getImage()

   {

     final List <Image> images = new ArrayList <Image>();

     URL imgURL = getClass().getResource(resources.getString("UnitConverter.iconFileName16x16"));

     images.add(new ImageIcon(imgURL).getImage());

     imgURL = getClass().getResource(resources.getString("UnitConverter.iconFileName32x32"));

     images.add(new ImageIcon(imgURL).getImage());

     imgURL = getClass().getResource(resources.getString("UnitConverter.iconFileName48x48"));

     images.add(new ImageIcon(imgURL).getImage());

     imgURL = getClass().getResource(resources.getString("UnitConverter.iconFileName64x64"));

     images.add(new ImageIcon(imgURL).getImage());

     imgURL = getClass().getResource(resources.getString("UnitConverter.iconFileName96x96"));

     images.add(new ImageIcon(imgURL).getImage());

     setIconImages(images);

     return getIconImages().get(4);

   }

   @Override

   public final void mouseDragged(final MouseEvent event)

   {}

   @Override

   public final void mouseMoved(final MouseEvent event)

   {}

   @Override

   public final void factorChanged(final FactorChangeEvent event)

   {

     if (event.getAction() == FactorChangeEvent.CLEAR_FACTOR_ACTION)

     {

       topPanel.getCalculationPanel().clearFactor();

     }

     else

     {

       topPanel.getCalculationPanel().setConversion(event.getCoversion());

       topPanel.getCalculationPanel().updateCalculations(event.getMolecularWeight());

     }

   }

   @Override

   public final void setFontSize(final float fontSize)

   {

     topPanel.setFontSize(fontSize);

     unitLabelPanel.setFontSize(fontSize);

     unitPanel.setFontSize(fontSize);

     getContentPane().setFont(getContentPane().getFont().deriveFont(fontSize));

     logicController.setFontSizePreference((int) fontSize);

   }

 }