/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.refactoring.ui;

import java.awt.Component;
import java.util.Vector;
import javax.swing.DefaultListCellRenderer;
import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.SwingConstants;
import org.netbeans.modules.refactoring.api.Problem;

/**
 *
 * @author  Jan Becicka
 */
public class ErrorPanel extends javax.swing.JPanel {
    
    private DefaultListModel errors = new DefaultListModel();
    private static ImageIcon fatalImage = null, nonFatalImage = null;
    
    /** Creates new form ErrorPanel */
    public ErrorPanel() {
        initComponents();
        errorList.setCellRenderer(new DefaultListCellRenderer() {
        public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
            super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
	    if (value instanceof JLabel) {
                setIcon(((JLabel)value).getIcon());
                setText(((JLabel)value).getText());
            }
            return this;
        }});
    }
    
    public ErrorPanel(Problem problem) {
        this();
        setProblems(problem);
    }
    
    public void setProblems(Problem problem) {
        errors.clear();
        while (problem != null) {
            errors.addElement(new JLabel(
              problem.getMessage(),
              problem.isFatal()?getFatalErrorIcon():getNonfatalErrorIcon(),
              SwingConstants.LEFT
            ));
        problem = problem.getNext();
        }
    }
    
    private static ImageIcon getFatalErrorIcon() {
        if (fatalImage == null) {
            fatalImage = new ImageIcon(ErrorPanel.class.getResource("/org/netbeans/modules/refactoring/resources/fatalerror.gif")); //NOI18N
        }
        return fatalImage;
    }
    
    private static ImageIcon getNonfatalErrorIcon() {
        if (nonFatalImage == null) {
            nonFatalImage = new ImageIcon(ErrorPanel.class.getResource("/org/netbeans/modules/refactoring/resources/nonfatalerror.gif")); //NOI18N
        }
        return nonFatalImage;
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        headLine = new javax.swing.JLabel();
        listPanel = new javax.swing.JPanel();
        errorLabel = new javax.swing.JLabel();
        listScrollPane = new javax.swing.JScrollPane();
        errorList = new javax.swing.JList(errors);
        explanationPanel = new javax.swing.JPanel();
        fatalError = new javax.swing.JLabel();
        nonFatalError = new javax.swing.JLabel();

        setLayout(new java.awt.BorderLayout());

        org.openide.awt.Mnemonics.setLocalizedText(headLine, org.openide.util.NbBundle.getMessage(ErrorPanel.class, "LBL_ErrorPanelDescription"));
        headLine.setBorder(new javax.swing.border.EmptyBorder(new java.awt.Insets(1, 1, 10, 1)));
        add(headLine, java.awt.BorderLayout.NORTH);

        listPanel.setLayout(new java.awt.BorderLayout());

        org.openide.awt.Mnemonics.setLocalizedText(errorLabel, org.openide.util.NbBundle.getMessage(ErrorPanel.class, "LBL_ErrorsList"));
        errorLabel.setLabelFor(errorList);
        listPanel.add(errorLabel, java.awt.BorderLayout.NORTH);

        errorList.setName("");
        listScrollPane.setViewportView(errorList);

        listPanel.add(listScrollPane, java.awt.BorderLayout.CENTER);

        add(listPanel, java.awt.BorderLayout.CENTER);

        explanationPanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));

        org.openide.awt.Mnemonics.setLocalizedText(fatalError, org.openide.util.NbBundle.getMessage(ErrorPanel.class, "LBL_FatalError"));
        fatalError.setIcon(new javax.swing.ImageIcon(getClass().getResource("/org/netbeans/modules/refactoring/resources/fatalerror.gif")));
        fatalError.setBorder(new javax.swing.border.EmptyBorder(new java.awt.Insets(1, 1, 1, 20)));
        explanationPanel.add(fatalError);

        org.openide.awt.Mnemonics.setLocalizedText(nonFatalError, org.openide.util.NbBundle.getMessage(ErrorPanel.class, "LBL_NonFatalError"));
        nonFatalError.setIcon(new javax.swing.ImageIcon(getClass().getResource("/org/netbeans/modules/refactoring/resources/nonfatalerror.gif")));
        explanationPanel.add(nonFatalError);

        add(explanationPanel, java.awt.BorderLayout.SOUTH);

    }//GEN-END:initComponents
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel errorLabel;
    private javax.swing.JList errorList;
    private javax.swing.JPanel explanationPanel;
    private javax.swing.JLabel fatalError;
    private javax.swing.JLabel headLine;
    private javax.swing.JPanel listPanel;
    private javax.swing.JScrollPane listScrollPane;
    private javax.swing.JLabel nonFatalError;
    // End of variables declaration//GEN-END:variables
    
}