indexingwizard.java

基于MPEG 7 标准,符合未来语义网架构,很值得参考

/*
 * This file is part of Caliph & Emir.
 *
 * Caliph & Emir 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 2 of the License, or
 * (at your option) any later version.
 *
 * Caliph & Emir 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 Caliph & Emir; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Copyright statement:
 * --------------------
 * (c) 2002-2005 by Mathias Lux ([e-mail])
 * http://www.juggle.at, http://caliph-emir.sourceforge.net
 */


package at.lux.fotoretrieval.dialogs;

import javax.swing.*;
import java.io.IOException;

public class IndexingWizard extends javax.swing.JPanel {
    javax.swing.JDialog parent = null;
    /** Creates new form IndexingWizard */
    public IndexingWizard(javax.swing.JDialog parent) {
        initComponents();
        this.parent = parent;
    }
    
    /** 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
        java.awt.GridBagConstraints gridBagConstraints;

        okButton = new javax.swing.JButton();
        cancelButton = new javax.swing.JButton();
        indexingProgress = new javax.swing.JProgressBar();
        pathTextField = new javax.swing.JTextField();
        browseButton = new javax.swing.JButton();
        selectPathLabel = new javax.swing.JLabel();

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

        setBorder(new javax.swing.border.EmptyBorder(new java.awt.Insets(2, 2, 2, 2)));
        okButton.setText("OK");
        okButton.setPreferredSize(new java.awt.Dimension(80, 23));
        okButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                okButtonActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
        gridBagConstraints.insets = new java.awt.Insets(7, 2, 2, 2);
        add(okButton, gridBagConstraints);

        cancelButton.setText("Cancel");
        cancelButton.setPreferredSize(new java.awt.Dimension(80, 23));
        cancelButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cancelButtonActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
        gridBagConstraints.insets = new java.awt.Insets(7, 2, 2, 2);
        add(cancelButton, gridBagConstraints);

        indexingProgress.setBorderPainted(false);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.insets = new java.awt.Insets(7, 2, 2, 2);
        add(indexingProgress, gridBagConstraints);

        pathTextField.setColumns(30);
        pathTextField.setEditable(false);
        pathTextField.setText(".");
        pathTextField.setBorder(new javax.swing.border.EtchedBorder());
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);
        add(pathTextField, gridBagConstraints);

        browseButton.setText("Open ...");
        browseButton.setPreferredSize(new java.awt.Dimension(80, 20));
        browseButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                browseButtonActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);
        add(browseButton, gridBagConstraints);

        selectPathLabel.setText("Select the directory where the images are stored (e.g. the testdata directory):");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = 3;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);
        add(selectPathLabel, gridBagConstraints);

    }//GEN-END:initComponents

    private void okButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okButtonActionPerformed
        // start indexing ...
        ((IndexingWizardDialog) parent).startIndexing(pathTextField.getText());
    }//GEN-LAST:event_okButtonActionPerformed

    private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseButtonActionPerformed
        // Open the browse dialog ...
        JFileChooser jfc = new JFileChooser(pathTextField.getText());
        jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        jfc.setMultiSelectionEnabled(false);
        if (jfc.showOpenDialog(parent)== JFileChooser.APPROVE_OPTION) {
            try {
                pathTextField.setText(jfc.getSelectedFile().getCanonicalPath());
            } catch (IOException e) {
                JOptionPane.showMessageDialog(this, "Error resolving path for selected directory: " + e.toString());
            }
        }
    }//GEN-LAST:event_browseButtonActionPerformed

    private void cancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelButtonActionPerformed
        parent.setVisible(false);
    }//GEN-LAST:event_cancelButtonActionPerformed
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton browseButton;
    private javax.swing.JButton cancelButton;
    private javax.swing.JProgressBar indexingProgress;
    private javax.swing.JButton okButton;
    private javax.swing.JTextField pathTextField;
    private javax.swing.JLabel selectPathLabel;
    // End of variables declaration//GEN-END:variables
    
}