net.landora.video.utils.UIUtils.java Source code

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Here is the source code for net.landora.video.utils.UIUtils.java

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/**
 * Copyright (C) 2012-2014 Blake Dickie
 *
 * 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/>.
 */
package net.landora.video.utils;

import net.landora.video.ui.ContextProducer;
import org.apache.commons.collections.map.MultiValueMap;
import org.apache.commons.lang.SystemUtils;
import org.slf4j.LoggerFactory;
import java.awt.Component;
import java.awt.Desktop;
import java.awt.EventQueue;
import java.awt.GraphicsEnvironment;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultComboBoxModel;
import javax.swing.FocusManager;
import javax.swing.SwingUtilities;

/**
 *
 * @author bdickie
 */
public class UIUtils {

    public static final Comparator LEXICAL_SORTER = new LexicalSorter();
    public static final Comparator COMPARABLE_SORTER = new ComparableSorter();

    public static Object unwrap(Object obj) {
        if (obj instanceof Representation) {
            Representation rep = (Representation) obj;
            return unwrap(rep.getValue());
        } else {
            return obj;
        }
    }

    public static ComboBoxModel generateComboModel(List<?> parametersFor) {
        DefaultComboBoxModel model = new DefaultComboBoxModel(parametersFor.toArray());
        return model;
    }

    public static ComboBoxModel generateComboModel(Object[] values) {
        DefaultComboBoxModel model = new DefaultComboBoxModel(values);
        return model;
    }

    private static class LexicalSorter implements Comparator<Object> {

        public int compare(Object o1, Object o2) {
            if (o1 == o2) {
                return 0;
            } else if (o1 == null) {
                return -1;
            } else if (o2 == null) {
                return 1;
            } else {
                return o1.toString().compareToIgnoreCase(o2.toString());
            }
        }

    }

    private static class ComparableSorter<T extends Comparable> implements Comparator<T> {

        public int compare(T o1, T o2) {
            if (o1 == o2) {
                return 0;
            } else if (o1 == null) {
                return -1;
            } else if (o2 == null) {
                return 1;
            } else {
                return o1.compareTo(o2);
            }
        }

    }

    public static void invokeLaterInSwingThread(Runnable r) {
        if (EventQueue.isDispatchThread()) {
            r.run();
        } else {
            SwingUtilities.invokeLater(r);
        }
    }

    public static void invokeInSwingThread(Runnable r) {
        if (EventQueue.isDispatchThread()) {
            r.run();
        } else {
            try {
                SwingUtilities.invokeAndWait(r);
            } catch (Exception ex) {
                throw new RuntimeException(ex);
            }
        }
    }

    public static <T> T select(Collection<T> collection) {
        if (collection == null || collection.isEmpty()) {
            return null;
        } else {
            return collection.iterator().next();
        }
    }

    public static void addContentObject(Object obj, Collection<Object> addTo) {
        if (obj == null) {
            return;
        }

        if (obj instanceof ContextProducer) {
            ((ContextProducer) obj).addContentObjects(addTo);
        } else {
            addTo.add(obj);
        }
    }

    public static Collection<Object> createCompleteContext(Collection<?> context) {
        if (context == null || context.isEmpty()) {
            return Collections.EMPTY_SET;
        }

        Collection<Object> result = new LinkedHashSet<Object>();
        for (Object obj : context) {
            addContentObject(obj, result);
        }
        return result;
    }

    public static MultiValueMap createCompleteContextByClass(Collection<?> context) {
        Collection<Object> fullContext = UIUtils.createCompleteContext(context);

        MultiValueMap valuesByClass = new MultiValueMap();
        Set<Class<?>> allClasses = new HashSet<Class<?>>();
        for (Object obj : fullContext) {
            Class<?> clazz = obj.getClass();
            allClasses.clear();
            while (clazz != null) {
                allClasses.add(clazz);
                allClasses.addAll(Arrays.asList(clazz.getInterfaces()));
                clazz = clazz.getSuperclass();
            }

            for (Class<?> c : allClasses) {
                valuesByClass.put(c, obj);
            }
        }
        return valuesByClass;
    }

    public static void openBrowser(String url) {
        try {
            Desktop.getDesktop().browse(new URI(url));
            return;
        } catch (Exception ignore) {
        }

        List<String> cmd = new ArrayList<String>();

        if (SystemUtils.IS_OS_MAC) {
            cmd.add("open");
        } else if (SystemUtils.IS_OS_WINDOWS) {
            cmd.add("cmd");
            cmd.add("/c");
            cmd.add("start");
        } else {
            cmd.add("xdg-open");
        }

        cmd.add(url);
        try {
            Runtime.getRuntime().exec(cmd.toArray(new String[cmd.size()]));
        } catch (IOException ex) {
            LoggerFactory.getLogger(UIUtils.class).error("Error opening browsner: " + url, ex);
        }
    }

    public static Component getActiveWindow() {
        return FocusManager.getCurrentManager().getActiveWindow();
    }

    public static String getFirstAvaliableFamily(String... fontFamilies) {
        Map<String, String> families = new TreeMap<String, String>(String.CASE_INSENSITIVE_ORDER);
        for (String family : GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames()) {
            families.put(family, family);
        }

        for (String family : fontFamilies) {
            String result = families.get(family);
            if (result != null) {
                return result;
            }
        }

        return null;
    }
}