/*

  * $Id: ExceptionDetailsDialog.java,v 1.12 2008/05/19 20:41:08 edankert Exp $

  *

  * The contents of this file are subject to the Mozilla Public License 

  * Version 1.1 (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.mozilla.org/MPL/ 

  *

  * Software distributed under the License is distributed on an "AS IS" basis, 

  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 

  * for the specific language governing rights and limitations under the License.

  *

  * The Original Code is XML Hammer code. (org.xmlhammer.*)

  *

  * The Initial Developer of the Original Code is Edwin Dankert. Portions created 

  * by the Initial Developer are Copyright (C) 2005 - 2006 the Initial Developer. 

  * All Rights Reserved.

  *

  * Contributor(s): Edwin Dankert <edankert@gmail.com>

  */

 package org.xmlhammer.gui.output;

 import java.awt.BorderLayout;

 import java.awt.Color;

 import java.awt.Dimension;

 import java.awt.Font;

 import java.awt.event.ActionEvent;

 import java.awt.event.ActionListener;

 import java.io.BufferedReader;

 import java.io.IOException;

 import java.io.InputStreamReader;

 import java.net.MalformedURLException;

 import java.net.URI;

 import javax.swing.Box;

 import javax.swing.ImageIcon;

 import javax.swing.JButton;

 import javax.swing.JEditorPane;

 import javax.swing.JFrame;

 import javax.swing.JLabel;

 import javax.swing.JPanel;

 import javax.swing.JScrollPane;

 import javax.swing.JTextArea;

 import javax.swing.JTextField;

 import javax.swing.border.EmptyBorder;

 import javax.swing.text.BadLocationException;

 import javax.swing.text.DefaultHighlighter;

 import javax.swing.text.PlainDocument;

 import org.apache.log4j.Logger;

 import org.bounce.FormLayout;

 import org.bounce.com.sun.syndication.io.XmlReader;

 import org.bounce.image.ImageLoader;

 import org.bounce.text.LineNumberMargin;

 import org.bounce.text.ScrollableEditorPanel;

 import org.bounce.text.xml.XMLEditorKit;

 import org.bounce.util.URIUtils;

 import org.xmlhammer.gui.util.ExternalApplicationLauncher;

 import org.xmlhammer.model.project.Exception;

 class ExceptionDetailsDialog extends DetailsDialog {

     private static final long serialVersionUID = 6396657641170177743L;

     private static final Dimension EDITORPANE_SIZE = new Dimension( 100, 80);        

     private static final ImageIcon EDIT_ICON = ImageLoader.get().getImage("/org/xmlhammer/gui/icons/obj16/write_obj.gif");

     private static final int MAX_NO_CHARACTERS = 1000;

     private static final int MAX_NO_LINES = 1000;

     private String title = null;

     private JTextField srcField = null;

     private JTextField classField = null;

     private JTextField lineNumberField = null;

     private JTextField columnNumberField = null;

     private JTextArea messageArea = null;

     private JLabel iconLabel = null;

     private JTextField systemIdField = null;

     private JTextField publicIdField = null;

     private JTextArea messageField = null;

     private JTextArea localizedMessageField = null;

     private JEditorPane contextPane = null;

     private URI uri = null;

     private int line = -1;

     private int column = -1;

     ExceptionDetailsDialog(JFrame parent, String title) {

         super(parent, title);

         this.title = title;

         contextPane = new JEditorPane();

         contextPane.setEditorKit(new XMLEditorKit());

         contextPane.setEditable(false);

         contextPane.setFont(new Font("monospaced", Font.PLAIN, 12));

         contextPane.getDocument().putProperty(PlainDocument.tabSizeAttribute, new Integer(2));

         JPanel panel = new JPanel(new BorderLayout());

         messageArea = new JTextArea();

         messageArea.setEditable(false);

         messageArea.setLineWrap(true);

         messageArea.setWrapStyleWord(true);

         messageArea.setBackground(panel.getBackground());

         messageArea.setMinimumSize(new Dimension(10,10));

         JScrollPane scroller = new JScrollPane(new ScrollableEditorPanel(contextPane));

         scroller.setPreferredSize(AttributeNode.EDITORPANE_SIZE);

         // Add the number margin as a Row Header View

         scroller.setRowHeaderView(new LineNumberMargin(contextPane));

         DetailsPanel context = new DetailsPanel(new BorderLayout(), "context");

         iconLabel = new JLabel();

         iconLabel.setBorder(new EmptyBorder(2, 0, 5, 5));

         iconLabel.setVerticalAlignment(JLabel.TOP);

         JPanel messagePanel = new JPanel(new BorderLayout());

         messagePanel.setBorder(new EmptyBorder(0, 2, 5, 5));

         messagePanel.add(messageArea, BorderLayout.CENTER);

         messagePanel.add(iconLabel, BorderLayout.WEST);

         context.add(messagePanel, BorderLayout.NORTH);

         context.add(scroller, BorderLayout.CENTER);

         DetailsPanel details = new DetailsPanel(new FormLayout(5, 5), "details");

         srcField = new JTextField();

         srcField.setEditable(false);

         details.add(new JLabel("URI:"), LABEL_CONSTRAINTS);

         details.add(srcField, FormLayout.RIGHT_FILL);

         classField = new JTextField();

         classField.setEditable(false);

         details.add(new JLabel("Class:"), LABEL_CONSTRAINTS);

         details.add(classField, FormLayout.RIGHT_FILL);

         details.add(Box.createVerticalStrut(10), FormLayout.FULL);

         messageField = new JTextArea();

         messageField.setEditable(false);

         messageField.setLineWrap(true);

         messageField.setWrapStyleWord(true);

         details.add(new JLabel("Message:"), LABEL_CONSTRAINTS);

         panel = new JPanel(new BorderLayout());

         panel.add(messageField, BorderLayout.CENTER);

         scroller = new JScrollPane( panel);

         scroller.setPreferredSize(EDITORPANE_SIZE);

         details.add(scroller, FormLayout.RIGHT_FILL);

         localizedMessageField = new JTextArea();

         localizedMessageField.setEditable(false);

         localizedMessageField.setLineWrap(true);

         localizedMessageField.setWrapStyleWord(true);

         details.add(new JLabel("Localized:"), LABEL_CONSTRAINTS);

         panel = new JPanel(new BorderLayout());

         panel.add(localizedMessageField, BorderLayout.CENTER);

         scroller = new JScrollPane( panel);

         scroller.setPreferredSize(EDITORPANE_SIZE);

         details.add(scroller, FormLayout.RIGHT_FILL);

         details.add(Box.createVerticalStrut(10), FormLayout.FULL);

         lineNumberField = new JTextField();

         lineNumberField.setEditable(false);

         details.add(new JLabel("Line:"), LABEL_CONSTRAINTS);

         details.add(lineNumberField, FormLayout.RIGHT_FILL);

         columnNumberField = new JTextField();

         columnNumberField.setEditable(false);

         details.add(new JLabel("Column:"), LABEL_CONSTRAINTS);

         details.add(columnNumberField, FormLayout.RIGHT_FILL);

         details.add(Box.createVerticalStrut(10), FormLayout.FULL);

         systemIdField = new JTextField();

         systemIdField.setEditable(false);

         details.add(new JLabel("SystemId:"), LABEL_CONSTRAINTS);

         details.add(systemIdField, FormLayout.RIGHT_FILL);

         publicIdField = new JTextField();

         publicIdField.setEditable(false);

         details.add(new JLabel("PublicId:"), LABEL_CONSTRAINTS);

         details.add(publicIdField, FormLayout.RIGHT_FILL);

         details.add(Box.createVerticalStrut(10), FormLayout.FULL);

         addTab("Context", context);

         addTab("Details", details);

         JButton editButton = new JButton("Edit");

         editButton.setIcon(EDIT_ICON);

         editButton.addActionListener( new ActionListener() { 

             public void actionPerformed( ActionEvent e) {

                 edit();

             }

         });

         addLeftButton(editButton);

         pack();

         setSize(new Dimension(500, getSize().height));

         setLocationRelativeTo(parent);

     }

     private void edit() {

         ExternalApplicationLauncher.getInstance().edit(uri, line, column);

     }

     public void setException(Exception exception, URI baseURI, ImageIcon icon) {

         setTitle(exception.getClazz()+" - " + title);

         srcField.setText(exception.getSrc());

         srcField.setCaretPosition(0);

         classField.setText(exception.getClazz());

         classField.setCaretPosition(0);

         systemIdField.setText( exception.getSystemId());

         systemIdField.setCaretPosition(0);

         publicIdField.setText( exception.getPublicId());

         publicIdField.setCaretPosition(0);

         columnNumberField.setText( ""+exception.getColumn());

         columnNumberField.setCaretPosition(0);

         lineNumberField.setText( ""+exception.getLine());

         lineNumberField.setCaretPosition(0);

         messageField.setText( exception.getMessage());

         messageField.setCaretPosition(0);

         localizedMessageField.setText( exception.getLocalizedMessage());

         localizedMessageField.setCaretPosition(0);

         messageArea.setText( exception.getMessage());

         messageArea.setCaretPosition(0);

         iconLabel.setIcon(icon);

         try {

             line = exception.getLine();

             column = exception.getColumn();

             uri = baseURI;

             if (exception.getSystemId() != null) {

                 uri = URIUtils.createURI(exception.getSystemId());

             }

             BufferedReader reader = null;

             String line = null;

             try {

                 reader = new BufferedReader(new XmlReader(uri.toURL()));

                 line = reader.readLine();

             } catch (java.lang.Exception ex) {

                 ex.printStackTrace();

                 // Assume UTF-8 encoding ...

                 reader = new BufferedReader(new InputStreamReader(uri.toURL().openStream(), "UTF-8"));

                 line = reader.readLine();

             }

             StringBuilder builder = new StringBuilder();

             int index = 1;

             int position = -1;

             while (line != null) {

                 if (exception.getLine() == index) {

                     if (line.length() > MAX_NO_CHARACTERS) {

                         // everything on one line

                         builder = new StringBuilder(line.substring(Math.max(1, exception.getColumn()-(MAX_NO_CHARACTERS/2)), Math.min(line.length(), exception.getColumn()+(MAX_NO_CHARACTERS/2))));

                         if (exception.getColumn() > (MAX_NO_CHARACTERS/2)) {

                             position = (MAX_NO_CHARACTERS/2);

                         } else {

                             position = exception.getColumn();

                         }

                         break;

                     }

                     position = builder.length()+exception.getColumn();

                 }

                 if (index >= Math.max(1, exception.getLine()-(MAX_NO_LINES/2))) {

                     builder.append(line);

                     builder.append("\n");

                 }

                 if (index > Math.max((MAX_NO_LINES/2), exception.getLine()+(MAX_NO_LINES/2))) {

                     break;

                 }

                 line = reader.readLine();

                 index++;

             }

             reader.close();

             contextPane.setText(builder.toString());

             try {

                 if (position > 0) {

                     contextPane.getHighlighter().addHighlight(position-2, position-1, new DefaultHighlighter.DefaultHighlightPainter(new Color(255, 200, 200)));

                     contextPane.getHighlighter().addHighlight(builder.lastIndexOf("<", position-2), position-2, new DefaultHighlighter.DefaultHighlightPainter(new Color(255, 225, 225)));

                 }

             } catch (BadLocationException e) {

                 Logger.getLogger(getClass()).debug(e);

             }

             contextPane.setCaretPosition(Math.max(0, position-1));

         } catch (MalformedURLException e) {

             Logger.getLogger(getClass()).debug(e);

         } catch (IOException e) {

             e.printStackTrace();

             Logger.getLogger(getClass()).debug(e);

         }

     }

     @Override

     protected String getBaseHelpID() {

         return "output.result.error";

     }

 }