net.java.truelicense.swing.UninstallPanel Maven / Gradle / Ivy

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Provides a Swing wizard to manage license keys in consumer applications.
There is a newer version: 2.6.6
/*
 * Copyright (C) 2005-2013 Schlichtherle IT Services.
 * All rights reserved. Use is subject to license terms.
 */
package net.java.truelicense.swing;

import java.security.GeneralSecurityException;
import javax.swing.JPanel;
import net.java.truelicense.core.LicenseValidationException;
import net.java.truelicense.core.util.Objects;
import static net.java.truelicense.swing.Messages.*;
import net.java.truelicense.swing.nexes.WizardPanelDescriptor;

/**
 * @author Christian Schlichtherle
 */
public class UninstallPanel extends JPanel {

    private static final long serialVersionUID = 1L;

    private final ObservableLicenseConsumerManager ocm;

    public UninstallPanel(final ObservableLicenseConsumerManager ocm) {
        this.ocm = Objects.requireNonNull(ocm);
        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.
     */
    // //GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        prompt = new javax.swing.JTextArea();
        uninstallButton = new net.java.truelicense.swing.util.EnhancedButton();

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

        prompt.setEditable(false);
        prompt.setLineWrap(true);
        prompt.setText(message("UninstallPanel.prompt.text").toString()); // NOI18N
        prompt.setWrapStyleWord(true);
        prompt.setBorder(null);
        prompt.setOpaque(false);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.ipady = 5;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTH;
        gridBagConstraints.weightx = 1.0;
        add(prompt, gridBagConstraints);

        uninstallButton.setText(message("UninstallPanel.uninstallButton.text").toString()); // NOI18N
        uninstallButton.setName("uninstall"); // NOI18N
        uninstallButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                uninstallButtonActionPerformed(evt);
            }
        });
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        add(uninstallButton, gridBagConstraints);
    }// //GEN-END:initComponents

    private void uninstallButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_uninstallButtonActionPerformed
        try {
            ocm.uninstall();
            uninstallButton.setEnabled(false);
        } catch (final GeneralSecurityException failure) {
            assert !(failure instanceof LicenseValidationException);
            Dialogs.showMessageDialog(
                    this,
                    failure instanceof LicenseValidationException
                        ? failure.getLocalizedMessage()
                        : message("UninstallPanel.failure.message").toString(), // don't show details!
                    message("UninstallPanel.failure.title").toString(),
                    Dialogs.ERROR_MESSAGE);
        }
    }//GEN-LAST:event_uninstallButtonActionPerformed

    /**
     * Adds the given license consumer manager listener.
     * It is safe to call this method from a listener implementation.
     * The implementation uses a list, so adding the same listener multiple
     * times will result in multiple notifications for each event.
     *
     * @param cml the license consumer manager listener to add.
     */
    public void addLicenseConsumerManagerListener(
            LicenseConsumerManagerListener cml) {
        ocm.addLicenseConsumerManagerListener(cml);
    }

    /**
     * Removes the given license consumer manager listener.
     * It is safe to call this method from a listener implementation.
     * Removing an listener which is not registered has no effect.
     *
     * @param cml the license consumer manager listener to remove.
     */
    public void removeLicenseConsumerManagerListener(
            LicenseConsumerManagerListener cml) {
        ocm.removeLicenseConsumerManagerListener(cml);
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JTextArea prompt;
    private net.java.truelicense.swing.util.EnhancedButton uninstallButton;
    // End of variables declaration//GEN-END:variables

    public static class Descriptor extends WizardPanelDescriptor {
        public static final String IDENTIFIER = "UNINSTALL_PANEL"; // NOI18N

        public Descriptor(ObservableLicenseConsumerManager ocm) {
            this(new UninstallPanel(ocm));
        }

        private Descriptor(final UninstallPanel panel) {
            super(IDENTIFIER, panel);
            panel.addLicenseConsumerManagerListener(new BasicLicenseConsumerManagerListener() {
                @Override public void uninstalled(LicenseConsumerManagerEvent cme) {
                    getWizardModel().setNextButtonEnabled(Boolean.TRUE);
                }
            });
        }

        @Override public UninstallPanel getPanel() {
            return (UninstallPanel) super.getPanel();
        }

        @Override
        public String getBackPanelIdentifier() {
            return WelcomePanel.Descriptor.IDENTIFIER;
        }

        @Override
        public String getNextPanelIdentifier() { return FINISH; }

        @Override
        @SuppressWarnings("AccessingNonPublicFieldOfAnotherObject")
        public void aboutToDisplayPanel() {
            getPanel().uninstallButton.setEnabled(true);
            getWizardModel().setNextButtonEnabled(Boolean.FALSE);
        }
    }
}