/*
 * Copyright (C) 2005 - 2008 JasperSoft Corporation.  All rights reserved. 
 * http://www.jaspersoft.com.
 *
 * Unless you have purchased a commercial license agreement from JasperSoft,
 * the following license terms apply:
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed WITHOUT ANY WARRANTY; and without 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 this program; if not, see http://www.gnu.org/licenses/gpl.txt
 * or write to:
 *
 * Free Software Foundation, Inc.,
 * 59 Temple Place - Suite 330,
 * Boston, MA  USA  02111-1307
 *
 *
 *
 *
 * ColorSelectorPanel.java
 * 
 * Created on 5 ottobre 2004, 23.31
 *
 */

package it.businesslogic.ireport.gui.sheet;
import java.awt.*;
import java.util.*;
import javax.swing.*;
import javax.swing.border.LineBorder;
import it.businesslogic.ireport.util.I18n;
/**
 *
 * @author  Administrator
 */
public class ColorSelectorPanel extends javax.swing.JPanel {
    
    private Color color = Color.BLACK;
    private String value = "#000000";
    private ImageIcon noColorIcon = new javax.swing.ImageIcon(getClass().getResource("/it/businesslogic/ireport/icons/nocolor.png"));
    
    private boolean init = false;
    
    
    /** Creates new form ColorSelectorPanel */
    public ColorSelectorPanel() {
        initComponents();
        applyI18n();
        setColor(null);
    }

    public String getValue() {
        return value;
    }

    public void setValue(Object newValue) {
        
        if (newValue == null){
            this.setColor(null);
            return;
        }
        
        Color newColor = null;
        if (newValue instanceof Color) newColor = (Color)newValue;
        else newColor = parseColorString(""+newValue);
        
        if (newColor == null) return;
        this.setColor(newColor);
    }

    public Color getColor() {
        return color;
    }

    public void setColor(Color color) {
        this.color = color;
        
        jLabelNoColor.setIcon(color == null ? noColorIcon : null);
        
        if (color == null){
            this.value=null;
            jTextFieldColorValue.setText("");
            this.jPanelColor.setBackground(Color.WHITE);
            this.jPanelColor.setBorder(new LineBorder(Color.LIGHT_GRAY));
            this.jPanelColor.invalidate();
            this.jPanelColor.updateUI();
        }
        else
        {
            this.jPanelColor.setBorder(new LineBorder(Color.BLACK));
            this.value = HexColorChooserPanel.getEncodedColor( color );
            this.jPanelColor.setBackground(color );
            this.jPanelColor.invalidate();
            this.jPanelColor.updateUI();
            jTextFieldColorValue.setText( HexColorChooserPanel.getEncodedColor( color ) );
        }
        
        
        fireActionListenerActionPerformed(new java.awt.event.ActionEvent(this,0,""));
    }
    
    public static Color parseColorString(String newValue)
    {
        if (newValue == null) return null;
        
        
        newValue = newValue.trim();
        //System.out.println("Evaluating: " + newValue);
        
        if (!newValue.startsWith("[") || !newValue.endsWith("]"))
        {
            // Try to create the color from a string...
            java.awt.Color c = java.awt.Color.getColor(newValue);
            if (c != null) return c;
            if (c == null && newValue.matches( MaskedPlainDocument.COLOR_MASK))
            {
                if (newValue.startsWith("#"))
                {
                    newValue = newValue.substring(1);
                }
                if (newValue.length() >=6)
                {
                    try {
                        int hr = Integer.parseInt( newValue.substring(0,2), 16);
                        int hg = Integer.parseInt( newValue.substring(2,4), 16);
                        int hb = Integer.parseInt( newValue.substring(4,6), 16);
                        c = new Color(hr,hg,hb);
                    } catch (Exception ex)
                    {
                    }
                }
            }
            return c;
        }
        
        int r = 0;
        int g = 0;
        int b = 0;
        String rgbValues = newValue.substring(1,newValue.length()-1);  
        try {
        
            StringTokenizer st = new StringTokenizer(rgbValues, ",",false);
            r = Integer.parseInt( st.nextToken() );
            g = Integer.parseInt( st.nextToken() );
            b = Integer.parseInt( st.nextToken() );
        } catch (Exception ex) { return null; }
        
        Color c = new Color(r,g,b);
        return c;
        
    }
    
    
    /** 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.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        jPanelColor = new javax.swing.JPanel();
        jLabelNoColor = new javax.swing.JLabel();
        jTextFieldColorValue = new javax.swing.JTextField();
        jButtonSelect = new javax.swing.JButton();

        setBackground(new java.awt.Color(255, 255, 255));
        setMinimumSize(new java.awt.Dimension(45, 10));
        setPreferredSize(new java.awt.Dimension(75, 22));
        setLayout(new java.awt.GridBagLayout());

        jPanelColor.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
        jPanelColor.setMaximumSize(new java.awt.Dimension(18, 18));
        jPanelColor.setMinimumSize(new java.awt.Dimension(18, 8));
        jPanelColor.setPreferredSize(new java.awt.Dimension(18, 18));
        jPanelColor.setLayout(new java.awt.BorderLayout());

        jLabelNoColor.setIcon(new javax.swing.ImageIcon(getClass().getResource("/it/businesslogic/ireport/icons/nocolor.png"))); // NOI18N
        jPanelColor.add(jLabelNoColor, java.awt.BorderLayout.CENTER);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(4, 0, 4, 4);
        add(jPanelColor, gridBagConstraints);

        jTextFieldColorValue.setText("[0,0,0]");
        jTextFieldColorValue.setBorder(null);
        jTextFieldColorValue.setPreferredSize(new java.awt.Dimension(100, 14));
        jTextFieldColorValue.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextFieldColorValueActionPerformed(evt);
            }
        });
        jTextFieldColorValue.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusLost(java.awt.event.FocusEvent evt) {
                jTextFieldColorValueFocusLost(evt);
            }
        });
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        add(jTextFieldColorValue, gridBagConstraints);

        jButtonSelect.setText("...");
        jButtonSelect.setMargin(new java.awt.Insets(0, 0, 0, 0));
        jButtonSelect.setMaximumSize(new java.awt.Dimension(19, 19));
        jButtonSelect.setMinimumSize(new java.awt.Dimension(19, 10));
        jButtonSelect.setPreferredSize(new java.awt.Dimension(19, 22));
        jButtonSelect.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonSelectActionPerformed(evt);
            }
        });
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 4, 0, 0);
        add(jButtonSelect, gridBagConstraints);
    }// </editor-fold>//GEN-END:initComponents

    private void jTextFieldColorValueFocusLost(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_jTextFieldColorValueFocusLost
        jTextFieldColorValueActionPerformed(null);
    }//GEN-LAST:event_jTextFieldColorValueFocusLost

    private void jButtonSelectActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonSelectActionPerformed

        
        Color c =HexColorChooserPanel.showDialog(this,"Pick a color!...",this.getColor());
        if (c != null) setColor(c);
        
    }//GEN-LAST:event_jButtonSelectActionPerformed

    private void jTextFieldColorValueActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextFieldColorValueActionPerformed
       
        Color newColor = parseColorString(jTextFieldColorValue.getText());
        if (newColor == null)
        {
            this.jTextFieldColorValue.setText(getValue());
        }
        if (newColor != null) setColor(newColor);
        
    }//GEN-LAST:event_jTextFieldColorValueActionPerformed

    /**
     * Registers ActionListener to receive events.
     * @param listener The listener to register.
     */
    public synchronized void addActionListener(java.awt.event.ActionListener listener) {

        if (listenerList == null ) {
            listenerList = new javax.swing.event.EventListenerList();
        }
        listenerList.add (java.awt.event.ActionListener.class, listener);
    }

    /**
     * Removes ActionListener from the list of listeners.
     * @param listener The listener to remove.
     */
    public synchronized void removeActionListener(java.awt.event.ActionListener listener) {

        listenerList.remove (java.awt.event.ActionListener.class, listener);
    }

    /**
     * Notifies all registered listeners about the event.
     * 
     * @param event The event to be fired
     */
    private void fireActionListenerActionPerformed(java.awt.event.ActionEvent event) {

        if (listenerList == null) return;
        Object[] listeners = listenerList.getListenerList ();
        for (int i = listeners.length-2; i>=0; i-=2) {
            if (listeners[i]==java.awt.event.ActionListener.class) {
                ((java.awt.event.ActionListener)listeners[i+1]).actionPerformed (event);
            }
        }
    }
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButtonSelect;
    private javax.swing.JLabel jLabelNoColor;
    private javax.swing.JPanel jPanelColor;
    private javax.swing.JTextField jTextFieldColorValue;
    // End of variables declaration//GEN-END:variables
    
    public void applyI18n(){
                // Start autogenerated code ----------------------
                jButtonSelect.setText(I18n.getString("colorSelectorPanel.buttonSelect","..."));
                // End autogenerated code ----------------------
    }

    public boolean isInit() {
        return init;
    }

    public void setInit(boolean init) {
        this.init = init;
    }
}
