Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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 2

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.rastertools.generictoolbar;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.Iterator;

import javax.swing.BoxLayout;

import javax.swing.JButton;

import javax.swing.JToolBar;

import org.gvsig.gui.beans.comboboxconfigurablelookup.DefaultComboBoxConfigurableLookUpModel;

import org.gvsig.gui.beans.comboboxconfigurablelookup.JComboBoxConfigurableLookUp;

import org.gvsig.gui.beans.controls.combobutton.ComboButton;

import org.gvsig.raster.gui.IGenericToolBarMenuItem;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.fmap.layers.FLayers;

import com.iver.utiles.extensionPoints.ExtensionPoint;

import com.iver.utiles.extensionPoints.ExtensionPoints;

import com.iver.utiles.extensionPoints.ExtensionPointsSingleton;

/**

 * Componente que contiene los objetos visuales de la barra de herramientas

 * generica

 *

 * @version 13/02/2008

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class GenericToolBarPanel extends JToolBar implements ActionListener {

        private JComboBoxConfigurableLookUp jCBCLU;

        private ComboButton buttonGroup = new ComboButton();

        private ComboButton buttonMenu = new ComboButton();

        private FLayers lastLayers = null;

        public GenericToolBarPanel() {

                super("GenericToolBarPanel");

                initialize();

        }

        /**

         * Especifica que las capas de la vista han cambiado.

         * @param layers

         */

        public void setLayers(FLayers layers) {

                lastLayers = layers;

                getComboBoxConfigurableLookUp().removeAllItems();

                for (int i = 0; i < layers.getLayersCount(); i++)

                        getComboBoxConfigurableLookUp().addItem(layers.getLayer(i).getName());

                getComboBoxConfigurableLookUp().setSelectedItem(layers.getActives()[0].getName());

                getComboBoxConfigurableLookUp().hidePopup();

                reloadSubMenu();

        }

        /**

         * Devuelve un combo de busqueda de items.

         * @return

         */

        private JComboBoxConfigurableLookUp getComboBoxConfigurableLookUp() {

                if (jCBCLU == null) {

                        jCBCLU = new JComboBoxConfigurableLookUp();

                        ((DefaultComboBoxConfigurableLookUpModel) jCBCLU.getModel()).setShowAllItemsInListBox(false);

                        if (jCBCLU.getModel() instanceof DefaultComboBoxConfigurableLookUpModel) {

                                ((DefaultComboBoxConfigurableLookUpModel) jCBCLU.getModel()).setLookUpAgent(new BinarySearch());

                                jCBCLU.setOnlyOneColorOnText(true);

                        }

                }

                return jCBCLU;

        }

        private void initialize() {

                setLayout(new BoxLayout(this, BoxLayout.X_AXIS));

                buttonGroup.addActionListener(this);

                buttonGroup.setName("Menu principal");

                reloadMenuGroup();

                add(buttonGroup);

                buttonMenu.addActionListener(this);

                buttonMenu.setName("Submenus");

                reloadMenuGroup();

                add(buttonMenu);

                add(getComboBoxConfigurableLookUp());

        }

        /**

         * Recarga los items del menu global dejando seleccionado el item que habia

         * previamente, en caso de que exista

         */

        public void reloadMenuGroup() {

                String actionCommand = buttonGroup.getActionCommand();

                buttonGroup.clearButtons();

                buttonMenu.clearButtons();

                Iterator iterator = null;

                ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

                ExtensionPoint extensionPoint = (ExtensionPoint) extensionPoints.get("GenericToolBarGroup");

                if (extensionPoint == null)

                        return;

                iterator = extensionPoint.keySet().iterator();

                while (iterator.hasNext()) {

                        String key = (String) iterator.next();

                        Object object = ((Object) extensionPoint.get(key));

                        if (object instanceof IGenericToolBarMenuItem) {

                                IGenericToolBarMenuItem item = (IGenericToolBarMenuItem) object;

                                JButton button2 = new JButton(item.getText(), item.getIcon());

                                button2.setActionCommand(key);

                                buttonGroup.addButton(button2);

                        }

                }

                buttonGroup.setSelectedItem(actionCommand);

                reloadSubMenu();

        }

        /**

         * Recarga los items del submenu dejando seleccionado el item que habia

         * previamente, en caso de que exista

         */

        public void reloadSubMenu() {

                String actionCommand = buttonMenu.getActionCommand();

                buttonMenu.clearButtons();

                Iterator iterator = null;

                ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

                ExtensionPoint extensionPoint = (ExtensionPoint) extensionPoints.get("GenericToolBarMenu");

                if (extensionPoint == null)

                        return;

                iterator = extensionPoint.keySet().iterator();

                FLayer[] layers = new FLayer[] {getLayerSelected()};

                while (iterator.hasNext()) {

                        String key = (String) iterator.next();

                        Object object = ((Object) extensionPoint.get(key));

                        if (object instanceof IGenericToolBarMenuItem) {

                                IGenericToolBarMenuItem item = (IGenericToolBarMenuItem) object;

                                if (!buttonGroup.getActionCommand().equals(item.getGroup()))

                                        continue;

                                if (!item.isVisible(null, layers))

                                        continue;

                                // Mirar pq no se puede poner disabled un item del menu

                                if (!item.isEnabled(null, layers))

                                        continue;

                                JButton button2 = new JButton(item.getText(), item.getIcon());

                                button2.setActionCommand(key);

                                buttonMenu.addButton(button2);

                        }

                }

                buttonMenu.setSelectedItem(actionCommand);

        }

        /**

         * Devuelve el layer seleccionado en el combobox

         * @return

         */

        public FLayer getLayerSelected() {

                if (lastLayers == null)

                        return null;

                for (int i = 0; i < lastLayers.getLayersCount(); i++) {

                        if (lastLayers.getLayer(i).getName().equals(getComboBoxConfigurableLookUp().getEditor().getItem())) {

                                return lastLayers.getLayer(i);

                        }

                }

                return null;

        }

        /*

         * (non-Javadoc)

         * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

         */

        public void actionPerformed(ActionEvent e) {

                if (e.getSource() == buttonGroup) {

                        reloadSubMenu();

                        return;

                }

                if (e.getSource() == buttonMenu) {

                        Iterator iterator = null;

                        ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

                        ExtensionPoint extensionPoint = (ExtensionPoint) extensionPoints.get("GenericToolBarMenu");

                        if (extensionPoint == null)

                                return;

                        iterator = extensionPoint.keySet().iterator();

                        while (iterator.hasNext()) {

                                String key = (String) iterator.next();

                                if (!key.equals(e.getActionCommand()))

                                        continue;

                                Object object = ((Object) extensionPoint.get(key));

                                if (object instanceof IGenericToolBarMenuItem) {

                                        IGenericToolBarMenuItem item = (IGenericToolBarMenuItem) object;

                                        if (getLayerSelected() != null) {

                                                item.execute(null, new FLayer[] {getLayerSelected()});

                                                reloadSubMenu();

                                        }

                                        return;

                                }

                        }

                        return;

                }

        }

}