PlatformNode.java

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package org.netbeans.modules.ruby.rubyproject.ui;

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import org.netbeans.api.ruby.platform.RubyPlatform;
import org.netbeans.api.ruby.platform.RubyPlatformManager;
import org.netbeans.modules.ruby.platform.gems.GemAction;
import org.netbeans.modules.ruby.rubyproject.PlatformChangeListener;
import org.netbeans.modules.ruby.rubyproject.RubyBaseProject;
import org.openide.nodes.AbstractNode;
import org.openide.nodes.Children;
import org.openide.nodes.Node;
import org.openide.util.NbBundle;
import org.openide.util.actions.Presenter;

/**
 * Represents Ruby Platform node in the Ruby project's logical view.
 */
final class PlatformNode extends AbstractNode {

    private static final Logger LOGGER = Logger.getLogger(PlatformNode.class.getName());
    
    private static final String PLATFORM_ICON = "org/netbeans/modules/ruby/rubyproject/resources/platform.gif"; // NOI18N
    private final RubyBaseProject project;
    private final Action[] actions;

    PlatformNode(final RubyBaseProject project) {
        super(Children.create(GemChildrenFactory.create(project), false));
        this.project = project;
        this.actions = new Action[] {
            new ChangePlatformAction(),
            new ManageRubyGemsAction()
        };

        setIconBaseWithExtension(PLATFORM_ICON);
        project.addPlatformChangeListener(new PlatformChangeListener() {
            public void platformChanged() {
                EventQueue.invokeLater(new Runnable() {
                    public void run() {
                        PlatformNode.this.setChildren(Children.create(GemChildrenFactory.create(project), false));
                        PlatformNode.this.fireDisplayNameChange(null, null);
                        PlatformNode.this.fireNameChange(null, null);
                    }
                });
            }
        });
    }

    @Override
    public String getDisplayName() {
        return project.getPlatform().getLabel();
    }

    @Override
    public Action[] getActions(boolean context) {
        return actions;
    }

    private static String getMessage(final String key) {
        return NbBundle.getMessage(PlatformNode.class, key);
    }

    private final class ChangePlatformAction extends AbstractAction implements Presenter.Popup {

        public void actionPerformed(ActionEvent e) {
            assert false : "Action should not be called directly";
        }

        public JMenuItem getPopupPresenter() {
            return createMenu();
        }

        private JMenuItem createMenu() {
            JMenu menu = new JMenu(getMessage("PlatformNode.Change"));
            for (final RubyPlatform platform : RubyPlatformManager.getSortedPlatforms()) {
                JMenuItem item = new JMenuItem(platform.getLabel());
                item.addActionListener(new ActionListener() {
                    public void actionPerformed(ActionEvent e) {
                        try {
                            project.changeAndStorePlatform(platform);
                        } catch (IOException ex) {
                            LOGGER.log(Level.SEVERE, "Unable to change the platform: " + ex.getLocalizedMessage(), ex);
                        }
                    }
                });
                menu.add(item);
            }
            return menu;
        }
    }

    private final class ManageRubyGemsAction extends AbstractAction {

        ManageRubyGemsAction() {
            super(getMessage("PlatformNode.ManageRubyGems"));
        }
        
        public void actionPerformed(ActionEvent e) {
            GemAction.showGemManager(project.getPlatform());
        }

    }
}