Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

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

* MA  02110-1301, USA.

* 

*/

package org.gvsig.raster.mainplugin.toolbar;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import javax.swing.JButton;

import javax.swing.JToolBar;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.FLayers;

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

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

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

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

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

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

/**

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

 * generica

 *

 * @author BorSanZa - Borja S?nchez Zamorano 

 */

public class GenericToolBarPanel extends JToolBar implements ComboButtonListener, ActionListener, MouseListener, ItemListener, IControl {

        private static final long serialVersionUID = -4382962282970490523L;

        private JComboBoxConfigurableLookUp jCBCLU = null;

        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().setBlockPopupHided(true);

                getComboBoxConfigurableLookUp().removeAllItems();

                if(layers != null) {

                        List<FLayer> lyrs = getLayerList(layers, null);

                        for (int i = 0; i < lyrs.size(); i++)

                                getComboBoxConfigurableLookUp().addItem(((FLayer)lyrs.get(i)).getName());

                        if (layers.getActives().length > 0)

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

                        else if (layers.getLayersCount() > 0)

                                getComboBoxConfigurableLookUp().setSelectedItem(layers.getLayer(0).getName());

                }

                reloadSubMenu();

                getComboBoxConfigurableLookUp().setBlockPopupHided(false);

        }

        /**

         * Devuelve un combo de busqueda de items.

         * @return

         */

        private JComboBoxConfigurableLookUp getComboBoxConfigurableLookUp() {

                if (jCBCLU == null) {

                        jCBCLU = new JComboBoxConfigurableLookUp();

                        jCBCLU.setOnlyOneColorOnText(true);

                        jCBCLU.setPrototypeDisplayValue(" ");

                        if (jCBCLU.getModel() instanceof DefaultComboBoxConfigurableLookUpModel) {

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

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

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

                                jCBCLU.setToForceSelectAnItem(true);

                                jCBCLU.setDisplayAllItemsWithArrowButton(true);

                        }

                        jCBCLU.addActionListener(this);

                }

                return jCBCLU;

        }

        private void initialize() {

                buttonGroup.addComboButtonClickedListener(this);

                buttonGroup.setName("Menu principal");

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

                buttonGroup.setAlwaysMenuOnClick(true);

                reloadMenuGroup();

                add(buttonGroup);

                buttonMenu.addComboButtonClickedListener(this);

                buttonMenu.setName("Submenus");

                buttonMenu.addMouseListener(this);

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

                reloadMenuGroup();

                add(buttonMenu);

                add(getComboBoxConfigurableLookUp());

                this.setRollover(true);

        }

        /**

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

         * previamente, en caso de que exista

         */

        public void reloadMenuGroup() {

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

                ButtonItems buttonItems = new ButtonItems(buttonGroup, layers);

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

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

                Iterator<?> iterator = point.iterator();

                while (iterator.hasNext()) {

                        ExtensionPoint.Extension extension = (ExtensionPoint.Extension) iterator.next();

                        Object object;

                        try {

                                object = extension.create();

                        } catch (Exception e) {

                                throw new RuntimeException(e);

                        }

                        if (object instanceof IGenericToolBarMenuItem)

                                buttonItems.addButton((IGenericToolBarMenuItem) object, extension.getName());

                }

                buttonItems.refresh();

                reloadSubMenu();

        }

        /**

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

         * previamente, en caso de que exista

         */

        public void reloadSubMenu() {

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

                ButtonItems buttonItems = new ButtonItems(buttonMenu, layers);

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint point = extensionPoints.add("GenericToolBarMenu");

                Iterator<?> iterator = point.iterator();

                while (iterator.hasNext()) {

                        ExtensionPoint.Extension entry = (ExtensionPoint.Extension) iterator.next();

                        Object object;

                        try {

                                object = entry.create();

                        } catch (Exception e) {

                                throw new RuntimeException(e);

                        }

                        if (object instanceof IGenericToolBarMenuItem) {

                                IGenericToolBarMenuItem item = (IGenericToolBarMenuItem) object;

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

                                        continue;

                                buttonItems.addButton(item, entry.getName());

                        }

                }

                buttonItems.refresh();

        }

        /**

         * Devuelve el layer seleccionado en el combobox

         * @return

         */

        public FLayer getLayerSelected() {

                if (lastLayers == null)

                        return null;

                List<FLayer> lyrs = getLayerList(lastLayers, null);

                for (int i = 0; i < lyrs.size(); i++)

                        if (((FLayer)lyrs.get(i)).getName().equals(getComboBoxConfigurableLookUp().getEditor().getItem()))

                                return (FLayer)lyrs.get(i);

                return null;

        }

        public static List<FLayer> getLayerList(FLayers srcLyrs, List<FLayer> destLyrs) {

                if(srcLyrs == null)

                        return null;

                if(destLyrs == null)

                        destLyrs = new ArrayList<FLayer>();

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

                        if(srcLyrs.getLayer(i) instanceof FLayers)

                                destLyrs = getLayerList((FLayers)srcLyrs.getLayer(i), destLyrs);

                        else 

                                destLyrs.add(srcLyrs.getLayer(i));

                }

                return destLyrs;

        }

        public void actionPerformed(ActionEvent e) {

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

//                        selectLayerInTOC(lastLayers, (String) getComboBoxConfigurableLookUp().getSelectedItem());

                }

        }

        public void actionComboButtonClicked(ComboButtonEvent e) {

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

                        reloadSubMenu();

                        return;

                }

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

                        ExtensionPointManager extensionPoints =ToolsLocator.getExtensionPointManager();

                        ExtensionPoint point=extensionPoints.add("GenericToolBarMenu");

                        Iterator<?> iterator = point.iterator();

                        while (iterator.hasNext()) {

                                ExtensionPoint.Extension entry = (ExtensionPoint.Extension) iterator

                                                .next();

                                if (!entry.getName().equals(

                                                ((JButton) e.getSource()).getActionCommand()))

                                        continue;

                                Object object;

                                try {

                                        object = entry.create();

                                } catch (Exception e1) {

                                        // TODO Auto-generated catch block

                                        throw new RuntimeException(e1);

                                }

                                if (object instanceof IGenericToolBarMenuItem) {

                                        IGenericToolBarMenuItem item = (IGenericToolBarMenuItem) object;

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

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

                                                continue;

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

                                                continue;

                                        if (getLayerSelected() != null) {

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

                                        } else

                                                item.execute(null, null);

                                        reloadSubMenu();

                                        return;

                                }

                        }

                        return;

                }

        }

        /**

         * Selecciona una capa en el TOC

         * @param layers

         * @param nameLayer

         */

//        private void selectLayerInTOC(FLayers layers, String nameLayer) {

//                if (layers == null)

//                        return;

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

//                        if (layers.getLayer(i) instanceof FLayers) {

//                                selectLayerInTOC((FLayers) layers.getLayer(i), nameLayer);

//                        } else {

//                                if (layers.getLayer(i) instanceof FLayer) {

//                                        FLayer layer = ((FLayer) layers.getLayer(i));

//                                        if (layer.getName().equals(nameLayer) && !layer.isActive()) {

//                                                layer.setActive(true);

//                                        }

//                                }

//                        }

//                }

//        }

        /**

         * Recargo el menu cada vez que entra el raton en el boton, para ahorrar tiempo en

         * la visualizacion del mismo

         */

        public void mouseEntered(MouseEvent e) {

                this.reloadSubMenu();

        }

        public void itemStateChanged(ItemEvent e) {

//                if (e.getStateChange() != ItemEvent.SELECTED)

//                        return;

//

//                FLayer layer = getLayerSelected();

//

//                if (layer == null)

//                        return;

//

//                FLayers layers = lastLayers;

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

//                        layers.getLayer(i).setActive(false);

//

//                layer.setActive(true);

//                View view = (View) PluginServices.getMDIManager().getActiveWindow();

//                JScrollBar verticalBar = view.getTOC().getJScrollPane().getVerticalScrollBar();

//                double widthPerEntry = verticalBar.getMaximum() / layer.getMapContext().getLayers().getLayersCount();

//                verticalBar.setValue((int)widthPerEntry * (layer.getMapContext().getLayers().getLayersCount() - pos - 1));

        }

        public void mouseClicked(MouseEvent e) {}

        public void mouseExited(MouseEvent e) {}

        public void mousePressed(MouseEvent e) {}

        public void mouseReleased(MouseEvent e) {}

        public void addActionListener(ActionListener listener) {

        }

        public Object getValue() {

                return null;

        }

        public void removeActionListener(ActionListener listener) {

        }

        public Object setValue(Object value) {

                return null;

        }

}