Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA 02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.andami.ui.mdiFrame;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ComponentEvent;

import java.awt.event.ComponentListener;

import java.awt.event.ContainerEvent;

import java.awt.event.ContainerListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.io.File;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Locale;

import java.util.Map;

import java.util.NoSuchElementException;

import java.util.StringTokenizer;

import java.util.Vector;

import javax.swing.AbstractButton;

import javax.swing.ButtonGroup;

import javax.swing.ImageIcon;

import javax.swing.JComponent;

import javax.swing.JFileChooser;

import javax.swing.JFrame;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JPopupMenu;

import javax.swing.JSeparator;

import javax.swing.JToolBar;

import javax.swing.KeyStroke;

import javax.swing.MenuElement;

import javax.swing.SwingUtilities;

import javax.swing.Timer;

import javax.swing.WindowConstants;

import javax.swing.filechooser.FileFilter;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.Launcher;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.PluginsLocator;

import org.gvsig.andami.PluginsManager;

import org.gvsig.andami.actioninfo.ActionInfo;

import org.gvsig.andami.actioninfo.ActionInfoManager;

import org.gvsig.andami.actioninfo.ActionInfoStatusCache;

import org.gvsig.andami.messages.Messages;

import org.gvsig.andami.plugins.ExtensionDecorator;

import org.gvsig.andami.plugins.IExtension;

import org.gvsig.andami.plugins.PluginClassLoader;

import org.gvsig.andami.plugins.config.generate.ActionTool;

import org.gvsig.andami.plugins.config.generate.Label;

import org.gvsig.andami.plugins.config.generate.Menu;

import org.gvsig.andami.plugins.config.generate.PopupMenu;

import org.gvsig.andami.plugins.config.generate.SelectableTool;

import org.gvsig.andami.plugins.config.generate.SkinExtensionType;

import org.gvsig.andami.plugins.config.generate.ToolBar;

import org.gvsig.andami.ui.mdiFrame.TranslatableButtonHelper.TranslatableButton;

import org.gvsig.andami.ui.mdiManager.MDIManager;

import org.gvsig.andami.ui.mdiManager.MDIManagerFactory;

import org.gvsig.gui.beans.controls.IControl;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.icontheme.IconTheme;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Main application window.

 *

 * Use Launcher.getMDIFrame to get the instance of this class.

 *

 * @version $Revision: 39484 $

 */

@SuppressWarnings("unchecked")

public class MDIFrame extends JFrame implements ComponentListener,

        ContainerListener, ActionListener, MainFrame {

    private static final long serialVersionUID = -2472484309160847654L;

    private static Logger logger = LoggerFactory.getLogger(MDIFrame.class);

    private static MDIFrame instance = null;

    private MDIManager mdiManager = MDIManagerFactory.createManager();

    private boolean refreshingControls = false;

    /**

     * Elementos de la aplicaci�n

     */

    private JMenuBar menuBar = new JMenuBar();

    /**

     * Panel which contains the toolbars

     */

    private JPanel toolBars = new JPanel();

    /**

     * Status bar

     */

    private NewStatusBar bEstado = null;

    /**

     * Asocia los nombres con las barras de herramientas

     */

    private HashMap toolBarMap = new HashMap();

    /**

     * Almacena los grupos de selectableTools

     */

    private HashMap buttonGroupMap = new HashMap();

    /**

     * Stores the initially selected tools.

     * It contains pairs (String groupName, JToolBarToggleButton button)

     */

    private HashMap initialSelectedTools = new HashMap();

    /**

     * Stores the actionCommand of the selected tool, for each group.

     * It contains pairs (String groupName, JToolBarToggleButton button)

     */

    private Map selectedTool = null;

    // this should be the same value defined at plugin-config.xsd

    private String defaultGroup = "unico";

    /**

     * Asocia los nombres con los popupMenus

     */

    private HashMap popupMap = new HashMap();

    /**

     * Asocia controles con la clase de la extension asociada

     */

    private List<JComponent> controls = new ArrayList<JComponent>();

    /**

     * Asocia la informaci�n sobre las etiquetas que van en la status bar con

     * cada extension

     */

    private HashMap classLabels = new HashMap();

    // private HashMap classControls = new HashMap();

    /**

     * ProgressListeners (ver interfaz com.iver.mdiApp.ui.ProgressListener)

     */

    private ArrayList progressListeners = new ArrayList();

    /**

     * Timer para invocar los enventos de la interfaz anterior

     */

    private Timer progressTimer = null;

    /**

     * Tabla hash que asocia las clases con las extensiones

     */

    // private Map classesExtensions = new HashMap<Class<? extends IExtension>, ExtensionDecorator>();

    /**

     * �ltima clase que activ� etiquetas

     */

    private Class lastLabelClass;

    /**

     * Instancia que pone los tooltip en la barra de estado

     */

    private TooltipListener tooltipListener = new TooltipListener();

    private HashMap infoCodedMenus = new HashMap();

    private String titlePrefix;

    private static final String noIcon = "no-icon";

    private Map<JComponent,IExtension> control2extensions = new HashMap<JComponent, IExtension>();

    private MDIFrame() {

    }

    public static boolean isInitialized() {

        return instance!=null ;

    }

    public static MDIFrame getInstance() {

        if ( instance == null ) {

            instance = new MDIFrame();

        }

        return instance;

    }

    /**

     * Makes some initialization tasks.

     *

     * @throws RuntimeException

     */

    public void init() {

        JPopupMenu.setDefaultLightWeightPopupEnabled(false);

        if ( !SwingUtilities.isEventDispatchThread() ) {

            throw new RuntimeException("Not Event Dispatch Thread");

        }

        // Se añaden los listeners del JFrame

        this.addWindowListener(new WindowAdapter() {

            @Override

            public void windowClosing(WindowEvent e) {

                Launcher.closeApplication();

            }

        });

        this.addComponentListener(this);

        this.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);

        // Se configura la barra de menu

        setJMenuBar(menuBar);

        // Se configura el layout del JFrame principal

        this.getContentPane().setLayout(new BorderLayout());

        /*

         * Se configura y se añade el JPanel de las barras de

         * herramientas

         */

        FlowLayout layout = new FlowLayout(FlowLayout.LEFT);

        layout.setHgap(0);

        layout.setVgap(0);

        toolBars.setLayout(layout);

        getContentPane().add(toolBars, BorderLayout.PAGE_START);

        // Add the status bar of the application

        bEstado = new NewStatusBar();

        bEstado.message(Messages.getString("StatusBar.Aplicacion_iniciada"), JOptionPane.INFORMATION_MESSAGE);

        getContentPane().add(bEstado, BorderLayout.SOUTH);

        this.toolBars.addContainerListener(this);

        /*

         * Setting default values. Persistence is read

         * afterwards

         */

        setSize(

                MainFrame.MAIN_FRAME_SIZE_DEFAULT[0],

                MainFrame.MAIN_FRAME_SIZE_DEFAULT[1]);

        setLocation(

                MainFrame.MAIN_FRAME_POS_DEFAULT[0],

                MainFrame.MAIN_FRAME_POS_DEFAULT[1]);

        setExtendedState(

                MainFrame.MAIN_FRAME_EXT_STATE_DEFAULT);

        mdiManager.init(this);

    }

    @Override

    public void setTitle(final String title) {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            SwingUtilities.invokeLater(new Runnable() {

                public void run() {

                    setTitle(title);

                }

            });

            return;

        }

        super.setTitle(titlePrefix + " : " + title);

    }

    private SelectableToolBar getToolBar(final String toolBarName, String pluginName) {

        SelectableToolBar jtb = (SelectableToolBar) toolBarMap.get(toolBarName);

        if ( jtb == null ) {

            jtb = new SelectableToolBar(toolBarName);

            jtb.setRollover(true);

            jtb.setAndamiVisibility(true);

            toolBarMap.put(toolBarName, jtb);

            toolBars.add(jtb);

        }

        return jtb;

    }

    public SelectableToolBar  addToolBar(final String toolBarName, String description, int position) {

        SelectableToolBar toolBar = (SelectableToolBar) toolBarMap.get(toolBarName);

        if( toolBar == null ) {

            toolBar = new SelectableToolBar(toolBarName, description, position);

            toolBar.setRollover(true);

            toolBar.setAndamiVisibility(true);

            toolBarMap.put(toolBarName, toolBar);

            toolBars.add(toolBar);

        } else if( toolBar.getPosition() < 1 ) {

            toolBar.setPosition(position);

        } else if( toolBar.getPosition() != position ) {

            logger.warn("Add duplicate tool-bar ("+toolBarName+") with diferent position.");

        }

        return toolBar;

    }

    public void addTool(final PluginClassLoader loader, final SkinExtensionType ext,

            final ToolBar toolBar, final SelectableTool selectableTool)

            throws ClassNotFoundException {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            try {

                SwingUtilities.invokeAndWait(new Runnable() {

                    public void run() {

                        try {

                            addTool(loader, ext, toolBar, selectableTool);

                        } catch (ClassNotFoundException ex) {

                            logger.warn("¿¿¿ Eehh????", ex);

                        }

                    }

                });

            } catch (Exception ex) {

                // Do nothing

            }

            return;

        }

        String name = toolBar.getName();

        SelectableToolBar jtb = getToolBar(name, loader.getPluginName());

        if( selectableTool.getDropDownGroup()!=null ) {

            ActionInfoManager actionManager = PluginsLocator.getActionInfoManager();

            ActionInfo action = actionManager.getAction(selectableTool.getName());

            if( action!=null ) {

                DropDownButton dropDownButton = (DropDownButton) jtb.findComponent(selectableTool.getDropDownGroup());

                if( dropDownButton==null ) {

                    dropDownButton = new DropDownButton();

                    dropDownButton.setName(selectableTool.getDropDownGroup());

                    jtb.add(dropDownButton);

                    addControl(dropDownButton);

                }

                dropDownButton.add(actionManager.getTranslated(action));

            }

            return;

        }

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        ImageIcon image = PluginServices.getIconTheme().get(selectableTool.getIcon());

        if ( image != null ) {

            logger.warn("Unable to find icon '" + selectableTool.getIcon() + "'.");

            image = PluginServices.getIconTheme().get(noIcon);

        }

        ToggleButtonModel buttonModel = new ToggleButtonModel();

        JToolBarToggleButton btn = new JToolBarToggleButton(selectableTool.getText(), image);

        btn.setModel(buttonModel);

        btn.setMargin(new Insets(0, 0, 0, 0));

        btn.addMouseListener(tooltipListener);

        btn.addActionListener(this);

        btn.setFocusable(false);

        btn.setActionCommand(selectableTool.getActionCommand());

        btn.setToolTipText(selectableTool.getTooltip());

        btn.setEnabled(false);

        btn.setVisible(false);

        ButtonGroup group = (ButtonGroup) buttonGroupMap.get(selectableTool.getGroup());

        if ( group == null ) {

            group = new ButtonGroup();

            buttonGroupMap.put(selectableTool.getGroup(), group);

        }

        jtb.addButton(group, btn);

        buttonModel.setGroupName(selectableTool.getGroup());

        if ( selectableTool.getIsDefault() ) {

            btn.setSelected(true);

            initialSelectedTools.put(selectableTool.getGroup(),

                    btn.getActionCommand());

        }

        addControl(btn);

        if ( selectableTool.getName() != null ) {

            btn.setName(selectableTool.getName());

        }

        if ( selectableTool.getTooltip() != null ) {

            btn.setToolTip(i18nManager.getTranslation(selectableTool.getTooltip()));

            btn.setToolTipKey(selectableTool.getTooltip());

        }

        if ( selectableTool.getEnableText() != null ) {

            btn.setEnableText(i18nManager.getTranslation(selectableTool.getEnableText()));

        }

        if ( selectableTool.getLast() == true ) {

            jtb.addSeparator();

        }

    }

    public void addTool(final PluginClassLoader loader, final SkinExtensionType ext,

            final ToolBar toolBar, final ActionTool actionTool) throws ClassNotFoundException {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            try {

                SwingUtilities.invokeAndWait(new Runnable() {

                    public void run() {

                        try {

                            addTool(loader, ext, toolBar, actionTool);

                        } catch (ClassNotFoundException ex) {

                            logger.warn("¿¿¿ Eehh????", ex);

                        }

                    }

                });

            } catch (Exception ex) {

                // Do nothing

            }

            return;

        }

        String name = toolBar.getName();

        SelectableToolBar jtb = getToolBar(name, loader.getPluginName());

        if( actionTool.getDropDownGroup()!=null ) {

            ActionInfoManager actionManager = PluginsLocator.getActionInfoManager();

            ActionInfo action = actionManager.getAction(actionTool.getName());

            if( action!=null ) {

                DropDownButton dropDownButton = (DropDownButton) jtb.findComponent(actionTool.getDropDownGroup());

                if( dropDownButton==null ) {

                    dropDownButton = new DropDownButton();

                    dropDownButton.setName(actionTool.getDropDownGroup());

                    jtb.add(dropDownButton);

                    addControl(dropDownButton);

                }

                dropDownButton.add(actionManager.getTranslated(action));

            }

            return;

        }

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        ImageIcon image = IconThemeHelper.getImageIcon(actionTool.getIcon());

        if ( image != null ) {

            logger.warn("Unable to find icon '" + actionTool.getIcon() + "'.");

            image =  PluginServices.getIconTheme().get(noIcon);

        }

        JToolBarButton btn = new JToolBarButton(actionTool.getText(), image);

        btn.setMargin(new Insets(0, 0, 0, 0));

        btn.addMouseListener(tooltipListener);

        btn.addActionListener(this);

        btn.setFocusable(false);

        btn.setActionCommand(actionTool.getActionCommand());

        btn.setEnabled(false);

        btn.setVisible(false);

        jtb.add(btn);

        addControl(btn);

        if ( actionTool.getName() != null ) {

            btn.setName(actionTool.getName());

        }

        if ( actionTool.getTooltip() != null ) {

            btn.setToolTip(i18nManager.getTranslation(actionTool.getTooltip()));

            btn.setToolTipKey(actionTool.getTooltip());

        }

        if ( actionTool.getEnableText() != null ) {

            btn.setEnableText(i18nManager.getTranslation(actionTool.getEnableText()));

        }

        if ( actionTool.getLast() == true ) {

            jtb.addSeparator();

        }

    }

    public void addTool(final ActionInfo action, final String toolBarName, final String dropDownName) {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            SwingUtilities.invokeLater(new Runnable() {

                public void run() {

                    addTool(action, toolBarName,dropDownName);

                }

            });

            return;

        }

        SelectableToolBar jtb = getToolBar(toolBarName, action.getPluginName());

        DropDownButton dropDownButton = (DropDownButton) jtb.findComponent(dropDownName);

        if( dropDownButton == null ) {

            dropDownButton = new DropDownButton();

            jtb.add(dropDownButton);

        }

        ActionInfoManager actionManager = PluginsLocator.getActionInfoManager();

        dropDownButton.add(actionManager.getTranslated(action));

    }

    public void addTool(final ActionInfo action, final String toolBarName) {

        addTool(action, toolBarName, false);

    }

    public void addTool(final ActionInfo action, final String toolBarName, final boolean useText) {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        if ( !SwingUtilities.isEventDispatchThread() ) {

            SwingUtilities.invokeLater(new Runnable() {

                public void run() {

                    addTool(action, toolBarName, useText);

                }

            });

            return;

        }

        JToolBarButton btn = new JToolBarButton(action.getIcon());

        btn.setMargin(new Insets(0, 0, 0, 0));

        btn.addMouseListener(tooltipListener);

        btn.addActionListener(this);

        btn.setFocusable(false);

        btn.setActionCommand(action.getCommand());

        btn.setEnabled(false);

        btn.setVisible(false);

        btn.setName(action.getName());

        if( useText ) {

            btn.setText(action.getLabel());

        }

        if ( action.getTooltip() != null ) {

            btn.setToolTip(i18nManager.getTranslation(action.getTooltip()));

            btn.setToolTipKey(action.getTooltip());

        }

        SelectableToolBar jtb = getToolBar(toolBarName, action.getPluginName());

        jtb.add(btn);

        addControl(btn);

    }

    public void addSelectableTool(final ActionInfo action, final String toolBarName, final String groupName, final boolean useText) {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        if ( !SwingUtilities.isEventDispatchThread() ) {

            SwingUtilities.invokeLater(new Runnable() {

                public void run() {

                    addSelectableTool(action, toolBarName,groupName,useText);

                }

            });

            return;

        }

        ButtonGroup group = (ButtonGroup) buttonGroupMap.get(groupName);

        if ( group == null ) {

            group = new ButtonGroup();

            buttonGroupMap.put(groupName, group);

        }

        ToggleButtonModel buttonModel = new ToggleButtonModel();

        buttonModel.setGroupName(groupName);

        JToolBarToggleButton btn = new JToolBarToggleButton(action.getIcon());

        btn.setModel(buttonModel);

        btn.setMargin(new Insets(0, 0, 0, 0));

        btn.addMouseListener(tooltipListener);

        btn.addActionListener(this);

        btn.setFocusable(false);

        btn.setActionCommand(action.getCommand());

        btn.setEnabled(false);

        btn.setVisible(false);

        btn.setName(action.getName());

        if( useText ) {

            btn.setText(action.getLabel());

        }

        if ( action.getTooltip() != null ) {

            btn.setToolTip(i18nManager.getTranslation(action.getTooltip()));

            btn.setToolTipKey(action.getTooltip());

        }

        SelectableToolBar jtb = getToolBar(toolBarName, action.getPluginName());

        jtb.addButton(group, btn);

        addControl(btn);

    }

    /**

     * Creates the needed menu structure to add the menu to the bar.

     * Returns the father which must hold the menu which was

     * provided as parameter.

     *

     * Crea la estructura de menus necesaria para añadir el menu a la barra.

     * Devuelve el padre del cual debe colgar el menu que se pasa como

     * parametro.

     *

     * @param menu

     * The Menu whose support is going to be added

     * @param loader

     * The plugin's class loader

     *

     * @return The proper father for the menu which was provided as parameter

     */

    private JMenu createMenuAncestors(Menu menu, PluginClassLoader loader) {

        return createMenuAncestors(menu.getText());

    }

    private JMenu createMenuAncestors(String text) {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        MenuElement menuPadre = null;

        String[] menues = text.split("/");

        List menuList = new ArrayList();

        menuList.add(menues[0]);

        menuPadre = getMenu(menuList, menuBar);

        JMenu padre = null;

        if ( menuPadre == null ) {

            padre = new JMenuTraslatable(i18nManager.getTranslation(menues[0]));

            ((JMenuTraslatable) padre).setTextKey(menues[0]);

            padre.setName(menues[0]);

            addControl(padre);

            menuBar.add(padre);

        } else if ( menuPadre instanceof JMenu ) {

            padre = (JMenu) menuPadre;

        } else {

            logger.warn("Error creating menu. Ancestor does not exist (" + text + ").");

            return null;

        }

        // Se crea el resto de menus

        ArrayList temp = new ArrayList();

        for ( int i = 1; i < (menues.length - 1); i++ ) {

            temp.add(menues[i]);

        }

        menuPadre = createMenus(temp, padre);

        return (JMenu) menuPadre;

    }

    /**

     * Añade la informacion del menu al framework.

     * Debido a que los men�es se

     * pueden introducir en un orden determinado por el usuario, pero los

     * plugins se instalan en un orden arbitrario, primero se almacena la

     * informacion de todos los menus para luego ordenarlos y posteriormente

     * añadirlos al interfaz

     *

     * @param loader

     * Posicion del menu. Se ordena por este campo

     * @param ext

     * Array con los nombres de los padres del menu

     * @param menu

     * Texto del menu

     *

     * @throws ClassNotFoundException

     * @throws RuntimeException

     */

    public void addMenu(final PluginClassLoader loader, final SkinExtensionType ext,

            final Menu menu) throws ClassNotFoundException {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            try {

                SwingUtilities.invokeAndWait(new Runnable() {

                    public void run() {

                        try {

                            addMenu(loader, ext, menu);

                        } catch (ClassNotFoundException ex) {

                            logger.warn("¿¿¿ Eehh????", ex);

                        }

                    }

                });

            } catch (Exception ex) {

                // Do nothing

            }

            return;

        }

        JMenu menuPadre = createMenuAncestors(menu, loader);

        if ( menu.getIs_separator() ) {

            menuPadre.addSeparator();

            return;

        }

        JMenuItem nuevoMenu = createJMenuItem(loader, menu);

        nuevoMenu.addMouseListener(tooltipListener);

        menuPadre.add(nuevoMenu);

        addControl(nuevoMenu);

    }

    public void addMenu(final ActionInfo action, final String text) {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            SwingUtilities.invokeLater(new Runnable() {

                public void run() {

                    addMenu(action, text);

                }

            });

            return;

        }

        JMenu menuPadre = createMenuAncestors(text);

        JMenuItem nuevoMenu = createJMenuItem(action, text);

        nuevoMenu.addMouseListener(tooltipListener);

        menuPadre.add(nuevoMenu);

        menuPadre.invalidate();

        Class<? extends IExtension> classExtension = action.getExtension().getClass();

        addControl(nuevoMenu);

    }

    /**

     * Dado lista de nombres de menu, encuentra el menu

     *

     * @param nombres

     * @param padre

     * @return

     */

    private javax.swing.JMenuItem getMenu(List nombres, MenuElement parent) {

        if ( parent instanceof javax.swing.JMenu ) {

            javax.swing.JMenu parentItem = (javax.swing.JMenu) parent;

            for ( int i = 0; i < parentItem.getMenuComponentCount(); i++ ) {

                String item_name = parentItem.getMenuComponent(i).getName();

                if ( ((item_name != null) && (item_name.compareTo((String) nombres.get(0)) == 0))

                        || /*

                         * We also accept "leaf menus" with no name

                         * (Project manager, View-1, View-2, etc)

                         */ lastMenuItemWithoutName(parentItem.getMenuComponent(i), nombres) ) {

                    nombres.remove(0);

                    if ( nombres.isEmpty() ) {

                        if ( parentItem.getMenuComponent(i) instanceof javax.swing.JMenuItem ) {

                            return (javax.swing.JMenuItem) parentItem

                                    .getMenuComponent(i);

                        } else {

                            logger.error(PluginServices.getText(this,

                                    "Menu_type_not_supported_")

                                    + " "

                                    + parentItem.getMenuComponent(i).getClass()

                                    .getName());

                            return null;

                        }

                    } else {

                        return getMenu(nombres,

                                (MenuElement) parentItem.getMenuComponent(i));

                    }

                }

            }

        } else if ( parent instanceof JMenuBar ) {

            javax.swing.JMenuBar parentItem = (javax.swing.JMenuBar) parent;

            for ( int i = 0; i < parentItem.getMenuCount(); i++ ) {

                if ( (parentItem.getMenu(i).getName() != null // not a

                        // JToolBar.Separator

                        )

                        && (parentItem.getMenu(i).getName()

                        .compareTo((String) nombres.get(0)) == 0) ) {

                    nombres.remove(0);

                    if ( nombres.isEmpty() ) {

                        if ( parentItem.getMenu(i) instanceof javax.swing.JMenuItem ) {

                            return parentItem.getMenu(i);

                        } else {

                            logger.error(PluginServices.getText(this,

                                    "Menu_type_not_supported_")

                                    + " "

                                    + parentItem.getMenu(i).getClass()

                                    .getName());

                            return null;

                        }

                    } else {

                        return getMenu(nombres, parentItem.getMenu(i));

                    }

                }

            }

        } else {

            logger.error(PluginServices.getText(this,

                    "Menu_type_not_supported_")

                    + " "

                    + parent.getClass().getName() + " " + parent.toString());

        }

        return null;

    }

    /**

     * @param menuComponent

     * @param nombres

     * @return

     */

    private boolean lastMenuItemWithoutName(Component mc, List names) {

        /*

         * names must have 1 string

         */

        if ( names == null || names.size() != 1 ) {

            return false;

        }

        if ( !(mc instanceof JMenuItem) ) {

            return false;

        }

        JMenuItem jmi = (JMenuItem) mc;

        if ( jmi.getName() != null ) {

            /*

             * Name must be null, so this is a menu leaf

             */

            return false;

        }

        if ( jmi.getText() == null ) {

            return false;

        }

        return jmi.getText().compareTo((String) names.get(0)) == 0;

    }

    private class JMenuTraslatable extends JMenu implements TranslatableButton {

        private TranslatableButtonHelper i18nHelper = new TranslatableButtonHelper();

        public JMenuTraslatable(String text) {

            super(text);

        }

        public void setTextKey(String key) {

            this.i18nHelper.setText(key);

        }

        public void setToolTipKey(String key) {

            this.i18nHelper.setTooltip(key);

        }

        public void translate() {

            if ( this.i18nHelper.needTranslation() ) {

                this.i18nHelper.translate();

                this.setText(this.i18nHelper.getText());

            }

        }

    }

    /**

     * Crea la estructura de menus recursivamente. Por ejemplo, si se le pasa

     * en el par�metro nombres el array {"Search", "References", "Workspace"}

     * crear� un men� Search, un submen� del anterior que se llamar�

     * References y debajo de �ste �ltimo otro menu llamado Workspace

     *

     * @param nombres

     * Array con los nombres de los men�s que se quieren crear

     * @param padre

     * Menu padre de los men�s creados. Es �til porque es un

     * algoritmo recursivo

     *

     * @return Devuelve el men� creado. Al final de toda la recursividad,

     * devolver� el men� de m�s abajo en la jerarqu�a

     *

     * @throws RuntimeException

     */

    private JMenu createMenus(ArrayList nombres, JMenu padre) {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            logger.warn("Este metodo requiere que se este ejecutando en el hilo de eventos de AWT.");

            throw new RuntimeException("No Event Dispatch Thread");

        }

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        // si no quedan nombres de menu por crear se vuelve: caso base

        if ( nombres.isEmpty() ) {

            return padre;

        }

        // Se busca el menu por si ya existiera para no crearlo otra vez

        JMenu buscado = null;

        for ( int i = 0; i < padre.getMenuComponentCount(); i++ ) {

            try {

                JMenu hijo = (JMenu) padre.getMenuComponent(i);

                if ( hijo.getName().compareTo((String) nombres.get(0)) == 0 ) {

                    buscado = hijo;

                }

            } catch (ClassCastException e) {

                /*

                 * Se ha encontrado un elemento hoja del arbol de men�es

                 */

            }

        }

        if ( buscado != null ) {

            // Si lo hemos encontrado creamos el resto

            nombres.remove(0);

            return createMenus(nombres, buscado);

        } else {

            // Si no lo hemos encontrado se crea el menu, se a�ade al padre

            // y se crea el resto

            String nombre = (String) nombres.get(0);

            JMenuTraslatable menuPadre = new JMenuTraslatable(i18nManager.getTranslation(nombre));

            menuPadre.setTextKey(nombre);

            menuPadre.setName(nombre);

            addControl(menuPadre);

            padre.add(menuPadre);

            nombres.remove(0);

            return createMenus(nombres, menuPadre);

        }

    }

    /**

     * M�todo invocado en respuesta a ciertos eventos de la interfaz que

     * pueden

     * ocultar botones de las barras de herramientas y que redimensiona �sta

     * de manera conveniente para que no se oculte ninguno

     */

    private void ajustarToolBar() {

        int margen = 8;

        int numFilas = 1;

        double acum = margen;

        int toolHeight = 0;

        for ( int i = 0; i < toolBars.getComponentCount(); i++ ) {

            Component c = toolBars.getComponent(i);

            if ( !c.isVisible() ) {

                continue;

            }

            double width = c.getPreferredSize().getWidth();

            acum = acum + width;

            if ( acum > this.getWidth() ) {

                numFilas++;

                acum = width + margen;

            }

            if ( c.getPreferredSize().getHeight() > toolHeight ) {

                toolHeight = c.getPreferredSize().height;

            }

        }

        toolBars.setPreferredSize(new Dimension(this.getWidth(),

                (numFilas * toolHeight)));

        toolBars.updateUI();

    }

    public void setClassesExtensions(Map<Class<? extends IExtension>, ExtensionDecorator> classesExtensions) {

        // Ya no es necesario que se mantenga el Map con las extensiones.

//            Map<Class<? extends IExtension>, ExtensionDecorator> extensions = new HashMap<Class<? extends IExtension>, ExtensionDecorator>();

//            for ( Entry<Class<? extends IExtension>, ExtensionDecorator>  entry: classesExtensions.entrySet()) {

//                        if( ! (entry.getValue().getExtension() instanceof LibraryExtension) ) {

//                                extensions.put(entry.getKey(), entry.getValue());

//                        }

//                }

//        this.classesExtensions = extensions;

    }

    /**

     * Metodo de callback invocado cuando se selecciona un menu o un boton

     * de

     * la barra de herramientas. Se busca la extensi�n asociada y se ejecuta

     *

     * @param e

     * Evento producido

     */

    public void actionPerformed(ActionEvent e) {

        String actionName = "(unknow)";

        try {

            JComponent control = (JComponent) e.getSource();

            actionName = control.getName();

            ActionInfoManager actionManager = PluginsLocator.getActionInfoManager();

            ActionInfo action = actionManager.getAction(control.getName());

            Object args = null;

            if ( control instanceof IControl ) {

                args = ((IControl) control).getValue();

            }

            if ( args == null ) {

                action.execute();

            } else {

                action.execute(args);

            }

            String actionCommand = e.getActionCommand();

            try {

                JToolBarToggleButton toggle = (JToolBarToggleButton) control;

                ToggleButtonModel model = (ToggleButtonModel) toggle.getModel();

                selectedTool.put(model.getGroupName(), actionCommand);

            } catch (ClassCastException ex) {

            } catch (NullPointerException ex) {

            }

        } catch (Throwable ex) {

            logger.error("Can't perform action '" + actionName + "'.", ex);

        }

        enableControls();

        showMemory();

    }

    private String getName(String name, PluginClassLoader loader) {

        if ( name.indexOf('.') == -1 ) {

            return loader.getPluginName() + "." + name;

        } else {

            return name;

        }

    }

    public void addPopupMenu(PluginClassLoader loader, PopupMenu menu) {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            throw new RuntimeException("No Event Dispatch Thread");

        }

        String name = getName(menu.getName(), loader);

        // Se crea el control popupmenu

        JPopUpMenu popupMenu = (JPopUpMenu) popupMap.get(name);

        if ( popupMenu == null ) {

            popupMenu = new JPopUpMenu(menu.getName());

            popupMap.put(name, popupMenu);

        }

        Menu[] menues = menu.getMenu();

        for ( int i = 0; i < menues.length; i++ ) {

            JMenuItem nuevoMenu = createJMenuItem(loader, menues[i]);

            popupMenu.add(nuevoMenu);

        }

    }

    private JMenuItem createJMenuItem(PluginClassLoader loader, Menu menu) {

        JMenuItem nuevoMenu = null;

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        String text = menu.getText();

        int n = text.lastIndexOf('/');

        if ( n >= 0 ) {

            text = text.substring(n + 1);

        }

        String translatedText = i18nManager.getTranslation(text);

        IconTheme iconTheme = ToolsSwingLocator.getIconThemeManager().getCurrent();

        if ( menu.getIcon() != null ) {

            if ( iconTheme.exists(menu.getIcon()) ) {

                ImageIcon image = iconTheme.get(menu.getIcon());

                nuevoMenu = new JMenuItem(translatedText, image);

            } else {

                nuevoMenu = new JMenuItem(translatedText);

                logger.info("menu icon '" + menu.getIcon() + "' not exists.");

            }

        } else {

            nuevoMenu = new JMenuItem(translatedText);

        }

        nuevoMenu.setTextKey(text);

        nuevoMenu.setName(menu.getName());

        if ( menu.getKey() != null ) {

            nuevoMenu.setAccelerator(KeyMapping.getKeyStroke(menu.getKey()));

        }

        nuevoMenu.setActionCommand(menu.getActionCommand());

        if ( menu.getTooltip() != null ) {

            nuevoMenu.setToolTip(i18nManager.getTranslation(menu.getTooltip()));

            nuevoMenu.setToolTipKey(menu.getTooltip());

        }

        if ( menu.getEnableText() != null ) {

            nuevoMenu.setEnableText(i18nManager.getTranslation(menu.getEnableText()));

        }

        nuevoMenu.setEnabled(true);

        nuevoMenu.setVisible(true);

        if ( menu.getName() != null ) {

            ActionInfoManager actionManager = PluginsLocator.getActionInfoManager();

            final ActionInfo actionInfo = actionManager.getAction(menu.getName());

            if ( actionInfo != null ) {

                nuevoMenu.addActionListener(actionInfo);

            }

        }

        return nuevoMenu;

    }

    private JMenuItem createJMenuItem(ActionInfo action, String text) {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        String label = null;

        if ( text == null ) {

            label = action.getLabel();

        } else if ( text.contains("/") ) {

            String[] ss = text.split("/");

            label = ss[ss.length - 1];

        } else {

            label = text;

        }

        JMenuItem nuevoMenu = new JMenuItem();

        nuevoMenu.setTextKey(label);

        nuevoMenu.setText(i18nManager.getTranslation(label));

        nuevoMenu.setName(action.getName());

        if ( action.getIconName() != null ) {

            nuevoMenu.setIcon(action.getIcon());

        }

        KeyStroke key = action.getKeyStroke();

        if ( key != null ) {

            nuevoMenu.setAccelerator(key);

        }

        nuevoMenu.setActionCommand(action.getCommand());

        if ( action.getTooltip() != null ) {

            nuevoMenu.setToolTip(i18nManager.getTranslation(action.getTooltip()));

            nuevoMenu.setToolTipKey(action.getTooltip());

        }

        nuevoMenu.setEnabled(true);

        nuevoMenu.setVisible(true);

        nuevoMenu.addActionListener(action);

        return nuevoMenu;

    }

    /**

     * Muestra u oculta el menu de nombre 'name'

     *

     * @param name

     * Nombre del menu que se quiere mostrar

     * @param x

     * Evento de raton

     * @param y

     * @param c

     */

    private void showPopupMenu(String name, int x, int y, Component c) {

        JPopupMenu menu = (JPopupMenu) popupMap.get(name);

        if ( menu != null ) {

            menu.show(c, x, y);

        }

    }

    public void removePopupMenuListener(String name, ActionListener listener) {

        JPopupMenu menu = (JPopupMenu) popupMap.get(name);

        if ( menu != null ) {

            Component[] jmenuitems = menu.getComponents();

            for ( int i = 0; i < jmenuitems.length; i++ ) {

                if ( jmenuitems[i] instanceof JMenuItem ) {

                    ((JMenuItem) jmenuitems[i]).removeActionListener(listener);

                }

            }

        }

    }

    public void addPopupMenuListener(String popupName, Component c,

            ActionListener listener, PluginClassLoader loader) {

        final String name = getName(popupName, loader);

        JPopupMenu menu = (JPopupMenu) popupMap.get(name);

        if ( menu != null ) {

            Component[] jmenuitems = menu.getComponents();

            for ( int i = 0; i < jmenuitems.length; i++ ) {

                if ( jmenuitems[i] instanceof JMenuItem ) {

                    ((JMenuItem) jmenuitems[i]).addActionListener(listener);

                }

            }

        }

        c.addMouseListener(new MouseAdapter() {

            @Override

            public void mousePressed(MouseEvent e) {

                if ( e.isPopupTrigger() ) {

                    showPopupMenu(name, e.getX(), e.getY(), e.getComponent());

                }

            }

            @Override

            public void mouseReleased(MouseEvent e) {

                if ( e.isPopupTrigger() ) {

                    showPopupMenu(name, e.getX(), e.getY(), e.getComponent());

                }

            }

        });

    }

    /**

     * Loop on the controls to enable/disable and show/hide them, according to

     * its associated action (ActionInfo)

     *

     * @throws RuntimeException

     */

    public void enableControls() {

        if ( !SwingUtilities.isEventDispatchThread() ) {

            SwingUtilities.invokeLater(new Runnable() {

                public void run() {

                    enableControls();

                }

            });

            return;

        }

        ActionInfoManager actionManager = PluginsLocator.getActionInfoManager();

        ActionInfoStatusCache cache = actionManager.createActionStatusCache();

        // Enable or disable controls, according to its associated extensions

        Iterator<JComponent> e = controlsIterator();

        while ( e.hasNext() ) {

            JComponent control = (JComponent) e.next();

            String actionName = control.getName();

            ActionInfo action = actionManager.getAction(actionName);

            try {

                boolean enabled = false;

                boolean visible = false;

                if ( action == null ) {

                    if( control instanceof DropDownButton ) {

                        DropDownButton dropDownButton = (DropDownButton)control;

                        visible = !dropDownButton.isAllHiden();

                        enabled = !dropDownButton.isAllDisabled();

                        if (visible && enabled){

                            dropDownButton.updateMainButton();

                        }

                    } else if( control instanceof JMenuTraslatable ) {

                        enabled = true;

                        visible = true;

                    } else {

                        IExtension extension = this.control2extensions.get(control);

                        if( extension!=null ) {

                            enabled = extension.isEnabled();

                            visible = extension.isVisible();

                        } else {

                            logger.warn("Can't enable/show control '"+control.getClass().getName()+"/"+control.getName()+".");

                            enabled = true;

                            visible = true;

                        }

                    }

                } else {

                    enabled = false;

                    visible = cache.isVisible(action);

                    if ( visible ) {

                        enabled = cache.isEnabled(action);

                    }

                }

                //logger.info(control.getClass().getName() +" - " +control.getName() + " visible " + visible );

                control.setEnabled(enabled);

                control.setVisible(visible);

            } catch (Throwable ex) {

                // Catch exceptions and errors (class not found)

                logger.info("Can't enable/show control '" + actionName + "'.", ex);

                this.message("Can't enable/show control '" + actionName + "'.", JOptionPane.ERROR_MESSAGE);

                try {

                    control.setEnabled(false);

                    control.setVisible(false);

                } catch (Exception ex2) {

                    // Ignore errors

                }

            }

        }

        // Loop in the menus to hide the menus that don't have visible children

        for ( int i = 0; i < menuBar.getMenuCount(); i++ ) {

            MenuElement menu = menuBar.getMenu(i);

            hideMenus(menu);

            if ( menu instanceof JMenu ) {

                // hide (ugly) redundant separators and assign keyboard

                // mnemonics

                Component[] comps = ((JMenu) menu).getMenuComponents();

                // mnemonics have to be unique for each top-level menu

                char mnemonics[] = new char[comps.length];

                if ( comps.length > 0 ) {

                    // Set keyboard mnemonic for this top-level entry

                    String text = ((JMenu) menu).getText();

                    char mnemonic = getMnemonic(text, mnemonics);

                    if ( ' ' != mnemonic ) {

                        ((JMenu) menu).setMnemonic(mnemonic);

                        mnemonics[0] = mnemonic;

                    }

                }