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/*

 * TaskPropertiesDialog.java - task properties dialog

 *

 * Copyright (c) 2008 Lukas Jelinek, http://www.aiken.cz

 *

 * ==========================================================================

 *

 * 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 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 this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * ==========================================================================

 */

package cz.aiken.util.lwtt;

import javax.swing.JOptionPane;

/**

 * Task properties dialog class.

 *

 * This class allows to set various properties of a task. Currently only

 * price per hour can be set.

 *

 * @author  luk

 */

public class TaskPropetiesDialog extends javax.swing.JDialog {

    /** A return status code - returned if Cancel button has been pressed */

    public static final int RET_CANCEL = 0;

    /** A return status code - returned if OK button has been pressed */

    public static final int RET_OK = 1;

    private double price = 1;

    /** Creates a new TaskPropetiesDialog.

     * @param parent parent object for this dialog

     * @param modal modal dialog yes/no

     */

    public TaskPropetiesDialog(java.awt.Frame parent, boolean modal) {

        super(parent, modal);

        initComponents();

        priceText.setText(Double.toString(price));

    }

    /**

     * Returns the "return status" of this dialog - one of RET_OK or RET_CANCEL.

     *

     * @return return status

     */

    public int getReturnStatus() {

        return returnStatus;

    }

    /**

     * Sets the price per hour.

     *

     * @param price new price per hour

     */

    public void setPrice(double price) {

        this.price = price;

        priceText.setText(Double.toString(price));

    }

    /**

     * Returns the price per hour.

     *

     * @return price per hour

     */

    public double getPrice() {

        return price;

    }

    /** 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.

     */

    @SuppressWarnings("unchecked")

    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents

    private void initComponents() {

        okButton = new javax.swing.JButton();

        cancelButton = new javax.swing.JButton();

        priceLabel = new javax.swing.JLabel();

        priceText = new javax.swing.JTextField();

        setTitle("Properties");

        setLocationByPlatform(true);

        setResizable(false);

        addWindowListener(new java.awt.event.WindowAdapter() {

            public void windowClosing(java.awt.event.WindowEvent evt) {

                closeDialog(evt);

            }

        });

        okButton.setText("OK");

        okButton.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                okButtonActionPerformed(evt);

            }

        });

        cancelButton.setText("Cancel");

        cancelButton.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                cancelButtonActionPerformed(evt);

            }

        });

        priceLabel.setText("Price per hour");

        priceText.setHorizontalAlignment(javax.swing.JTextField.RIGHT);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

        getContentPane().setLayout(layout);

        layout.setHorizontalGroup(

            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

            .addGroup(layout.createSequentialGroup()

                .addContainerGap()

                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()

                        .addComponent(okButton, javax.swing.GroupLayout.PREFERRED_SIZE, 67, javax.swing.GroupLayout.PREFERRED_SIZE)

                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

                        .addComponent(cancelButton))

                    .addGroup(layout.createSequentialGroup()

                        .addComponent(priceLabel)

                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

                        .addComponent(priceText, javax.swing.GroupLayout.DEFAULT_SIZE, 69, Short.MAX_VALUE)))

                .addContainerGap())

        );

        layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {cancelButton, okButton});

        layout.setVerticalGroup(

            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()

                .addContainerGap()

                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

                    .addComponent(priceLabel)

                    .addComponent(priceText, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 22, Short.MAX_VALUE)

                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

                    .addComponent(cancelButton)

                    .addComponent(okButton))

                .addContainerGap())

        );

        pack();

    }// </editor-fold>//GEN-END:initComponents

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

        try {

            double p = Double.parseDouble(priceText.getText());

            if (p < 0)

                throw new NumberFormatException("price value must not be negative");

            price = p;

            doClose(RET_OK);

        } catch (NumberFormatException ex) {

            JOptionPane.showMessageDialog(this, "Price per hour has invalid format.\nPlease use a non-negative number.", "Invalid format", JOptionPane.ERROR_MESSAGE);

        }        

    }//GEN-LAST:event_okButtonActionPerformed

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

        doClose(RET_CANCEL);

    }//GEN-LAST:event_cancelButtonActionPerformed

    /** Closes the dialog */

    private void closeDialog(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closeDialog

        doClose(RET_CANCEL);

    }//GEN-LAST:event_closeDialog

    private void doClose(int retStatus) {

        returnStatus = retStatus;

        setVisible(false);

        dispose();

    }

    /**

     * This method is only for testing purposes.

     *

     * @param args the command line arguments

     */

    public static void main(String args[]) {

        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {

                TaskPropetiesDialog dialog = new TaskPropetiesDialog(new javax.swing.JFrame(), true);

                dialog.addWindowListener(new java.awt.event.WindowAdapter() {

                    @Override

                    public void windowClosing(java.awt.event.WindowEvent e) {

                        System.exit(0);

                    }

                });

                dialog.setVisible(true);

            }

        });

    }

    // Variables declaration - do not modify//GEN-BEGIN:variables

    private javax.swing.JButton cancelButton;

    private javax.swing.JButton okButton;

    private javax.swing.JLabel priceLabel;

    private javax.swing.JTextField priceText;

    // End of variables declaration//GEN-END:variables

    private int returnStatus = RET_CANCEL;

}