DeleteKeywordsTask.java

/*
 * Zettelkasten - nach Luhmann
 * Copyright (C) 2001-2015 by Daniel Lüdecke (http://www.danielluedecke.de)
 * 
 * Homepage: http://zettelkasten.danielluedecke.de
 * 
 * 
 * This program 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 3 of 
 * the License, or (at your option) any later version.
 * 
 * This program 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 this program;
 * if not, see <http://www.gnu.org/licenses/>.
 * 
 * 
 * Dieses Programm ist freie Software. Sie können es unter den Bedingungen der GNU
 * General Public License, wie von der Free Software Foundation veröffentlicht, weitergeben
 * und/oder modifizieren, entweder gemäß Version 3 der Lizenz oder (wenn Sie möchten)
 * jeder späteren Version.
 * 
 * Die Veröffentlichung dieses Programms erfolgt in der Hoffnung, daß es Ihnen von Nutzen sein 
 * wird, aber OHNE IRGENDEINE GARANTIE, sogar ohne die implizite Garantie der MARKTREIFE oder 
 * der VERWENDBARKEIT FÜR EINEN BESTIMMTEN ZWECK. Details finden Sie in der 
 * GNU General Public License.
 * 
 * Sie sollten ein Exemplar der GNU General Public License zusammen mit diesem Programm 
 * erhalten haben. Falls nicht, siehe <http://www.gnu.org/licenses/>.
 */

package de.danielluedecke.zettelkasten.tasks;

import de.danielluedecke.zettelkasten.database.Daten;

/**
 *
 * @author Luedeke
 */
public class DeleteKeywordsTask extends org.jdesktop.application.Task<Object, Void> {
    /**
     * Reference to the main data class
     */
    private final Daten dataObj;
    private final String[] keywords;
    private final javax.swing.JDialog parentDialog;
    private final javax.swing.JLabel msgLabel;
    /**
     * get the strings for file descriptions from the resource map
     */
    private final org.jdesktop.application.ResourceMap resourceMap =
        org.jdesktop.application.Application.getInstance(de.danielluedecke.zettelkasten.ZettelkastenApp.class).
        getContext().getResourceMap(DeleteKeywordsTask.class);

    DeleteKeywordsTask(org.jdesktop.application.Application app, javax.swing.JDialog parent, javax.swing.JLabel label, Daten d, String[] keywordvalues) {
        // Runs on the EDT.  Copy GUI state that
        // doInBackground() depends on from parameters
        // to createLinksTask fields, here.
        super(app);

        dataObj = d;
        parentDialog = parent;
        msgLabel = label;
        keywords=keywordvalues;
        // init status text
        msgLabel.setText(resourceMap.getString("msg1"));
    }
    @Override
    protected Object doInBackground() {
        // Your Task's code here.  This method runs
        // on a background thread, so don't reference
        // the Swing GUI from here.
        // prevent task from processing when the file path is incorrect

        // go through the array and delete all keywords
        for (int cnt=0; cnt<keywords.length; cnt++) {
            // get the keyword position
            int pos = dataObj.getKeywordPosition(keywords[cnt],false);
            // and delete the keyword
            dataObj.deleteKeyword(pos);
            // update the progress bar
            setProgress(cnt,0,keywords.length);
        }

        return null;  // return your result
    }
    @Override
    protected void succeeded(Object result) {
        // Runs on the EDT.  Update the GUI based on
        // the result computed by doInBackground().
    }
    @Override
    protected void finished() {
        super.finished();
        // and close window
        parentDialog.dispose();
        parentDialog.setVisible(false);
    }
}