/*
    * $HeadURL: $
    * $Date: $
    * $Revision: $
    * $Author: $
    * 
    * Copyright (c) 2005 MindTree Consulting Ltd. 
    * 
    * This file is part of Insight.
   * 
   * Insight is free software: you can redistribute it and/or modify it under the 
   * terms of the GNU General Public License as published by the Free Software 
   * Foundation, either version 3 of the License, or (at your option) any later 
   * version.
   * 
   * Insight is distributed in the hope that it will be useful, but 
   * WITHOUT ANY WARRANTY; without even the implied warranty of 
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General 
   * Public License for more details.
   * 
   * You should have received a copy of the GNU General Public License along with 
   * Insight.  If not, see <http://www.gnu.org/licenses/>.
   */
  package com.mindtree.techworks.insight.gui.util;
  
  import java.awt.Color;
  import java.awt.Component;
  import java.awt.Dimension;
  import java.awt.GridBagConstraints;
  import java.awt.GridBagLayout;
  import java.awt.Insets;
  import java.awt.event.ActionEvent;
  import java.awt.event.ActionListener;
  import java.util.Iterator;
  
  import javax.swing.BorderFactory;
  import javax.swing.JButton;
  import javax.swing.JDialog;
  import javax.swing.JOptionPane;
  import javax.swing.JScrollPane;
  import javax.swing.JTextPane;
  
  import com.mindtree.techworks.insight.InsightConstants;
  import com.mindtree.techworks.insight.gui.Insight;
  import com.mindtree.techworks.insight.model.ReceiverFormat;
  import com.mindtree.techworks.insight.receiver.RuntimeNamespaceContainer;
  import com.mindtree.techworks.insight.spi.LogNamespace;
  
  /**
  *
  * The <code>LoadedNamespacesFrame</code> class displays details about 
  * files that have been loaded and their namespace details
  *
  * @author  Regunath B
  * @version 1.0, 05/03/18
  */
  
  public class LoadedNamespacesFrame extends JDialog {
  	
  	/**
  	 * Used for object serialization
  	 */
  	private static final long serialVersionUID = -248346217650292459L;
  	
  	/*
  	 * Useful constants for the preferred size of the text field 
  	 */
  	private static final int WIDTH = 600;
  	private static final int HEIGHT = 300;
  	
  	/*
  	 * Layout definition.
  	 */
  	private GridBagLayout gl;
  	private GridBagConstraints gc;
  	
  	/*
  	 * The JEditorPane instance used to render the details
  	 */
  	private JTextPane detailsPane;	
  	
  	/*
  	 * Buttons in the display
  	 */
  	private JButton closeButton;
  	
  	/*
  	 * The Insight instance that created this frame
  	 */
  	private Insight insight;
  	
  	/**
  	 * Constructor for this class
  	 * @param insight the Insight instance for this class
  	 */
  	public LoadedNamespacesFrame(Insight insight) {
  		super(JOptionPane.getFrameForComponent(insight),InsightConstants.getLiteral("LOADED_NAMESPACES"),true);
  		this.setResizable(false);
  		this.insight = insight;
 		gl = new GridBagLayout();
 		gc = new GridBagConstraints();
 		getContentPane().setLayout(gl);
 
         detailsPane = new JTextPane();
         detailsPane.setEditable(false);
         detailsPane.setContentType("text/html");        
         addStylesAndContentToPane(detailsPane);
         
         JScrollPane scrollPane = new JScrollPane(detailsPane);
         scrollPane.setBorder(BorderFactory.createTitledBorder(InsightConstants.getLiteral("NAMESPACE_DETAILS")));
         
         detailsPane.setPreferredSize(new Dimension(WIDTH, HEIGHT));
 		addComponent(scrollPane,0,0,1,1,2,1);
 		
 		closeButton = new JButton(InsightConstants.getLiteral("OK"));
 		addComponent(closeButton,0,1,0,0,1,1);
 
 		ButtionActionProcessor actionProcessor = new ButtionActionProcessor();
 		closeButton.addActionListener(actionProcessor);
 		
 		// display this frame
 		this.pack();
 		// Center this window in Insight
 		int insightX = insight.getX();
 		int insightY = insight.getY();
 		int thisX = insightX + ((this.insight.getWidth() - this.getWidth())/ 2);
 		int thisY = insightY + ((this.insight.getHeight() - this.getHeight())/ 2);
 		this.setLocation(thisX, thisY);
 		this.show();	
 	}
 	
 	/**
 	 * Adds the specified component to this panel using the specified constraints.
 	 **/
 	private final void addComponent(Component c, int gridx, int gridy, int weightx,
 		int weighty, int width, int height) {
 		gc.fill = GridBagConstraints.BOTH;
 		gc.anchor = GridBagConstraints.NORTHWEST;
 		gc.insets = new Insets(5,5,5,5);		
 		gc.gridx = gridx;
 		gc.gridy = gridy;
 		gc.weightx = weightx;
 		gc.weighty = weighty;
 		gc.gridwidth = width;
 		gc.gridheight = height;		
 		gl.setConstraints( c, gc);
 		getContentPane().add(c);
 	}
 	
 	/**
 	 * Helper method to add namepsace contents and the respective styles to the
 	 * specified JtextPane
 	 * @param detailsPane the JTextPane instance to add the styles and contents
 	 */
 	private final void addStylesAndContentToPane(JTextPane detailsPane) {
 		Iterator iterator = RuntimeNamespaceContainer.getLoadedNamespaces().iterator();
 		StringBuffer buffer = new StringBuffer("<table width='100%' border='0'>");			
 		while (iterator.hasNext()) {
 			LogNamespace namespace = (LogNamespace)iterator.next();
 			buffer.append("<tr><td bgColor='#");
 			Color color = RuntimeNamespaceContainer.getNamespaceColor(namespace);
 			buffer.append(Integer.toHexString(color.getRed()));
 			buffer.append(Integer.toHexString(color.getGreen()));
 			buffer.append(Integer.toHexString(color.getBlue()));
 			buffer.append("' ><font face='" + InsightConstants.DEFAULT_FONT.getFamily()+ "' size=-1>");
 			buffer.append(InsightConstants.getLiteral("NAMESPACE") + " : " + namespace.getSourceString());
 			buffer.append("<br>");
 			ReceiverFormat[] receiverFormat = namespace.getReceiverFormat();
 			String loadedPatterns = new String("");
 			for(int i=0; i<receiverFormat.length; i++){
 				loadedPatterns += "<br>" + receiverFormat[i].getRawPattern();
 			}
 			buffer.append(InsightConstants.getLiteral("LOG4J_PATTERNS") + " : " + loadedPatterns);
 			buffer.append("<br>");
 			buffer.append(InsightConstants.getLiteral("NODE") + " : " + namespace.getNodeId());
 			buffer.append("</font></td></tr>");
 		}
 		buffer.append("</table>");
 		detailsPane.setText(buffer.toString());
 		detailsPane.setCaretPosition(0);				
 	}
 
 	/**
 	 * Helper class to handle action events 
 	 */
 	private final class ButtionActionProcessor implements ActionListener {
 		/** 
 		 * Interface method implementation
 		 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
 		 */
 		public void actionPerformed(ActionEvent e) {
 			Object source = e.getSource();
 			if (source == closeButton) {
 				hide();
 				dispose();
 			}
 		}
 
 	}
 
 }