net.landora.video.ui.UIAddon.java Source code

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Here is the source code for net.landora.video.ui.UIAddon.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.ui;

import net.landora.video.VideoManagerApp;
import net.landora.video.addons.AbstractAddon;
import net.landora.video.addons.AddonManager;
import net.landora.video.filestate.DirectoriesConfigPanel;
import net.landora.video.preferences.PreferencesAddon;
import net.landora.video.ui.config.ConfigurationDialog;
import net.landora.video.utils.UIUtils;
import org.apache.commons.collections.map.MultiValueMap;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;

/**
 *
 * @author bdickie
 */
public final class UIAddon extends AbstractAddon {

    public static final String ID = "net.landora.video.ui.UIAddon";

    public UIAddon() {
        super(ID, "GUI", PreferencesAddon.ID);

    }

    public static UIAddon getInstance() {
        return AddonManager.getInstance().getAddonInstance(UIAddon.class);
    }

    @Override
    public void start() {

        if (VideoManagerApp.getInstance().getProfile().isGUIEnabled()) {
            addConfigurationPanel(DirectoriesConfigPanel.class);
        }

    }

    private List<Class<? extends ConfigurationPanel>> configPanels = new ArrayList<Class<? extends ConfigurationPanel>>();

    public void addConfigurationPanel(Class<? extends ConfigurationPanel> panelClass) {
        if (VideoManagerApp.getInstance().getProfile().isGUIEnabled()) {
            configPanels.add(panelClass);
        }
    }

    public void showConfigurationDialog(Window parent) {
        if (VideoManagerApp.getInstance().getProfile().isGUIEnabled()) {
            ConfigurationDialog dialog = new ConfigurationDialog(parent, configPanels);
            dialog.setVisible(true);
        }
    }

    private List<UIAction<?>> actions = new ArrayList<UIAction<?>>();

    public void addAction(UIAction<?>... action) {
        actions.addAll(Arrays.asList(action));
    }

    public JPopupMenu createPopupMenu(Collection<?> context) {

        MultiValueMap valuesByClass = UIUtils.createCompleteContextByClass(context);

        List<UIAction<?>> actionsToUse = new ArrayList();
        for (UIAction<?> action : actions) {
            Class<?> clazz = action.getRequiredClass();

            Collection<?> col = valuesByClass.getCollection(clazz);
            if (col == null || col.isEmpty()) {
                continue;
            }

            if (action.isMultipuleObjectSupport() || col.size() == 1) {
                actionsToUse.add(action);
            }
        }

        if (actionsToUse.isEmpty()) {
            return null;
        }

        JPopupMenu menu = new JPopupMenu();

        for (UIAction<?> action : actionsToUse) {
            JMenuItem item = new JMenuItem(action.getName());
            item.addActionListener(
                    new UIActionAction(action, valuesByClass.getCollection(action.getRequiredClass())));
            menu.add(item);
        }

        return menu;
    }

    private static class UIActionAction<T> implements ActionListener {

        private UIAction<T> action;
        private Collection<T> col;

        public UIActionAction(UIAction<T> action, Collection<T> col) {
            this.action = action;
            this.col = col;
        }

        public void actionPerformed(ActionEvent e) {
            action.actionPerformed(e, col instanceof List ? (List<T>) col : new ArrayList<T>(col));
        }

    }
}