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

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/*
 * 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.*;
import net.java.truelicense.core.util.Objects;
import static net.java.truelicense.swing.Messages.*;
import net.java.truelicense.swing.nexes.WizardModel;
import net.java.truelicense.swing.nexes.WizardPanelDescriptor;

/**
 * @author Christian Schlichtherle
 */
public class WelcomePanel extends javax.swing.JPanel {

    private static final long serialVersionUID = 1L;

    private final ObservableLicenseConsumerManager manager;

    public WelcomePanel(final ObservableLicenseConsumerManager manager) {
        this.manager = Objects.requireNonNull(manager);
        initComponents();
        uninstallButton.setVisible(false);
    }

    /**
     * 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();
        installButton = new net.java.truelicense.swing.util.EnhancedRadioButton();
        verifyButton = new net.java.truelicense.swing.util.EnhancedRadioButton();
        uninstallButton = new net.java.truelicense.swing.util.EnhancedRadioButton();

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

        prompt.setEditable(false);
        prompt.setLineWrap(true);
        prompt.setText(message("WelcomePanel.prompt.text", new Object[] {manager.subject()}).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);

        buttonGroup.add(installButton);
        installButton.setSelected(true);
        installButton.setText(message("WelcomePanel.installButton.text").toString()); // NOI18N
        installButton.setActionCommand(InstallPanel.Descriptor.IDENTIFIER);
        installButton.setName("install"); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        add(installButton, gridBagConstraints);

        buttonGroup.add(verifyButton);
        verifyButton.setText(message("WelcomePanel.verifyButton.text").toString()); // NOI18N
        verifyButton.setActionCommand(LicensePanel.Descriptor.IDENTIFIER);
        verifyButton.setName("verify"); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        add(verifyButton, gridBagConstraints);

        buttonGroup.add(uninstallButton);
        uninstallButton.setText(message("WelcomePanel.uninstallButton.text").toString()); // NOI18N
        uninstallButton.setActionCommand(UninstallPanel.Descriptor.IDENTIFIER);
        uninstallButton.setName("uninstall"); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 3;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        add(uninstallButton, gridBagConstraints);
    }// //GEN-END:initComponents
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private final javax.swing.ButtonGroup buttonGroup = new javax.swing.ButtonGroup();
    private net.java.truelicense.swing.util.EnhancedRadioButton installButton;
    private javax.swing.JTextArea prompt;
    private net.java.truelicense.swing.util.EnhancedRadioButton uninstallButton;
    private net.java.truelicense.swing.util.EnhancedRadioButton verifyButton;
    // End of variables declaration//GEN-END:variables

    String getNextPanelIdentifier() {
        return buttonGroup.getSelection().getActionCommand();
    }

    /**
     * Returns {@code true} if and only if the uninstall button is visible.
     * By default, this button is not visible.
     */
    public boolean isUninstallButtonVisible() {
        return uninstallButton.isVisible();
    }

    /** Sets the visibility of the uninstall button. */
    public void setUninstallButtonVisible(final boolean visible) {
        uninstallButton.setVisible(visible);
        validate();
    }

    /**
     * Starts a background task to verify the license certificate. This is
     * provided for faster startup of the welcome panel.
     */
    private void startVerifyingLicense(final WizardModel model) {
        model.setNextButtonEnabled(Boolean.FALSE);
        verifyButton.setEnabled(false);
        uninstallButton.setEnabled(false);
        new SwingWorker() {
            @Override protected Boolean doInBackground() throws Exception {
                try {
                    manager.verify();
                    return true;
                } catch (final GeneralSecurityException ex) {
                    return false;
                }
            }

            @Override protected void done() {
                boolean verified;
                try { verified = get(); }
                catch (final Exception ex) { verified = false; }
                verifyButton.setEnabled(verified);
                uninstallButton.setEnabled(verified);
                buttonGroup.setSelected((verified ? verifyButton : installButton).getModel(), true);
                model.setNextButtonEnabled(Boolean.TRUE);
            }
        }.execute();
    }

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

        public Descriptor(ObservableLicenseConsumerManager ocm) {
            super(IDENTIFIER, new WelcomePanel(ocm));
        }

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

        @Override public void aboutToDisplayPanel() {
            getPanel().startVerifyingLicense(getWizardModel());
        }

        @Override public String getNextPanelIdentifier() {
            return getPanel().getNextPanelIdentifier();
        }

        /**
         * Returns {@code true} if and only if the uninstall button is visible.
         * By default, this button is not visible.
         */
        public boolean isUninstallButtonVisible() {
            return getPanel().isUninstallButtonVisible();
        }

        /** Sets the visibility of the uninstall button. */
        public void setUninstallButtonVisible(boolean visible) {
            getPanel().setUninstallButtonVisible(visible);
        }
    }
}