IncompleteMembersDownloadDialog.java

// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.plugins.pt_assistant.gui;

import static org.openstreetmap.josm.tools.I18n.tr;

import javax.swing.JCheckBox;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

/**
 * Dialog that asks the user whether the incomplete relation members should be
 * downloaded.
 *
 * @author darya
 *
 */
public class IncompleteMembersDownloadDialog extends JPanel {

    private static final long serialVersionUID = -4275151182361040329L;

    // indicates if the user needs to be asked before fetching incomplete
    // members of a relation.
    public enum ASK_TO_FETCH {
        DO_ASK, DONT_ASK_AND_FETCH, DONT_ASK_AND_DONT_FETCH
    }

    // by default, the user should be asked
    public static ASK_TO_FETCH askToFetch;

    String message;
    private JCheckBox checkbox;
    private String[] options;
    private int selectedOption;

    public IncompleteMembersDownloadDialog() {

        selectedOption = Integer.MIN_VALUE;
        message = tr(
            "Route relations have incomplete members.\nThey need to be downloaded to proceed with validation.\nDo you want to download them?");
        checkbox = new JCheckBox(tr("Remember my choice and do not ask me again in this session"));
        options = new String[2];
        options[0] = tr("Yes");
        options[1] = tr("No");

    }

    /**
     * Finds out whether the user wants to download incomplete members. In the
     * default case, creates a JOptionPane to ask.
     *
     * @return JOptionPane.YES_OPTION if the incomplete members should be
     *         downloaded, JOptionPane.NO_OPTION otherwise.
     */
    public int getUserSelection() {

        if (askToFetch == ASK_TO_FETCH.DONT_ASK_AND_FETCH) {
            return JOptionPane.YES_OPTION;
        }

        if (askToFetch == ASK_TO_FETCH.DONT_ASK_AND_DONT_FETCH) {
            return JOptionPane.NO_OPTION;
        }

        Object[] params = {message, checkbox};
        selectedOption = JOptionPane.showOptionDialog(this, params, tr("PT_Assistant Fetch Request"),
                JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, options, 0);

        if (checkbox.isSelected()) {
            if (selectedOption == JOptionPane.YES_OPTION) {
                askToFetch = ASK_TO_FETCH.DONT_ASK_AND_FETCH;
            } else {
                askToFetch = ASK_TO_FETCH.DONT_ASK_AND_DONT_FETCH;
            }
        }

        return selectedOption;
    }

}