PreferencesDialog.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.dlect.ui.prefs;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Window;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import org.dlect.controller.MainController;

/**
 *
 * @author lee
 */
public abstract class PreferencesDialog extends javax.swing.JDialog {

    private final MainController c;
    private PreferencePanel[] panels;

    public PreferencesDialog(Window parent, MainController controller) {
        super(parent, ModalityType.APPLICATION_MODAL);
        this.c = controller;
        initComponents();
    }

    /**
     * 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() {
        java.awt.GridBagConstraints gridBagConstraints;

        prefsTabs = new javax.swing.JTabbedPane();
        jSeparator1 = new javax.swing.JSeparator();
        jPanel1 = new javax.swing.JPanel();
        cancelButton = new javax.swing.JButton();
        okButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE);
        setTitle("Preferences");
        setLocationByPlatform(true);
        setMinimumSize(new java.awt.Dimension(500, 400));
        setModalExclusionType(java.awt.Dialog.ModalExclusionType.APPLICATION_EXCLUDE);
        setModalityType(java.awt.Dialog.ModalityType.APPLICATION_MODAL);
        setName("preferences"); // NOI18N
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowOpened(java.awt.event.WindowEvent evt) {
                formWindowOpened(evt);
            }
            public void windowClosing(java.awt.event.WindowEvent evt) {
                formWindowClosing(evt);
            }
        });
        getContentPane().setLayout(new java.awt.GridBagLayout());
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        getContentPane().add(prefsTabs, gridBagConstraints);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        getContentPane().add(jSeparator1, gridBagConstraints);

        jPanel1.setLayout(new java.awt.GridLayout(1, 0));

        cancelButton.setMnemonic('c');
        cancelButton.setText("Cancel");
        cancelButton.setToolTipText("Discard all changes and return to the home screen");
        cancelButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cancelButtonActionPerformed(evt);
            }
        });
        jPanel1.add(cancelButton);

        okButton.setMnemonic('o');
        okButton.setText("OK");
        okButton.setToolTipText("Confirm the changes made and return to the home screen");
        okButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                okButtonActionPerformed(evt);
            }
        });
        jPanel1.add(okButton);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.VERTICAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
        gridBagConstraints.weightx = 1.0;
        getContentPane().add(jPanel1, gridBagConstraints);

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void formWindowOpened(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowOpened
        initPreferencePanels();
        doPreShow();
    }//GEN-LAST:event_formWindowOpened

    private void formWindowClosing(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowClosing
        if (isModified()) {
            int dialoge = JOptionPane.showConfirmDialog(this, "<html>Do you wish to save the changes you made", "Save Changes", JOptionPane.YES_NO_CANCEL_OPTION);
            if (dialoge != JOptionPane.CANCEL_OPTION) {
                if (dialoge == JOptionPane.YES_OPTION) {
                    doSave();
                }
                this.setVisible(false);
            }
        } else {
            this.setVisible(false);
        }
    }//GEN-LAST:event_formWindowClosing

    private void okButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okButtonActionPerformed
        doSave();
        this.setVisible(false);
    }//GEN-LAST:event_okButtonActionPerformed

    private void cancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelButtonActionPerformed
        doCancel();
        this.setVisible(false);
    }//GEN-LAST:event_cancelButtonActionPerformed
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton cancelButton;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JSeparator jSeparator1;
    private javax.swing.JButton okButton;
    private javax.swing.JTabbedPane prefsTabs;
    // End of variables declaration//GEN-END:variables

    private void initPreferencePanels() {
        panels = getPreferencePanels();
        prefsTabs.removeAll();
        for (PreferencePanel preferencePanel : panels) {
            String tabName = preferencePanel.getTabName();
            String tabToolTip = preferencePanel.getTabTooltip();
            JPanel p = new JPanel(new GridBagLayout());
            GridBagConstraints gbc = new GridBagConstraints();
            gbc.weightx = 1;
            gbc.weighty = 1;
            gbc.anchor = GridBagConstraints.NORTH;
            gbc.fill = GridBagConstraints.HORIZONTAL;
            p.add(preferencePanel, gbc);
            JScrollPane scrollPane = new JScrollPane(p);
            prefsTabs.addTab(tabName, null, scrollPane, tabToolTip);
        }
    }

    private boolean isModified() {
        for (PreferencePanel preferencePanel : panels) {
            if (preferencePanel.isModified()) {
                return true;
            }
        }
        return false;
    }

    private void doCancel() {
        for (PreferencePanel pp : panels) {
            pp.doCancel();
        }
    }

    private void doSave() {
        for (PreferencePanel preferencePanel : panels) {
            preferencePanel.doSave();
        }
    }

    private void doPreShow() {
        for (PreferencePanel preferencePanel : panels) {
            preferencePanel.doPreShow();
        }
        prefsTabs.invalidate();
    }

    public void removeCancelButton() {
        jPanel1.remove(cancelButton);
    }

    public void addCancelButton() {
        jPanel1.add(cancelButton, 0);
    }

    public abstract PreferencePanel[] getPreferencePanels();
}