Application: gvSIG desktop » gvSIG tools: Catalog

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

 *

 * Copyright (C) 2004 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.catalog.ui.showresults;

import java.awt.AlphaComposite;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.GradientPaint;

import java.awt.Graphics2D;

import java.awt.RenderingHints;

import java.awt.Shape;

import java.awt.font.TextLayout;

import java.awt.geom.AffineTransform;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.net.URL;

import javax.swing.BorderFactory;

import javax.swing.BoxLayout;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JEditorPane;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.border.BevelBorder;

import org.gvsig.catalog.CatalogClient;

import org.gvsig.catalog.metadataxml.XMLNode;

import org.gvsig.catalog.schemas.Record;

import org.gvsig.catalog.utils.ImageRetriever;

import org.gvsig.i18n.Messages;

/**

 * 

 * 

 * 

 * @author Jorge Piera Llodra (piera_jor@gva.es)

 */

public class ShowResultsPanel extends JPanel {

        public static boolean mustShowThumbnails = true;

        private Record record = null;

        private CatalogClient client = null;

        private URL imageURL = null;

        private JPanel descriptionPanel = null;

        private JEditorPane descriptionArea = null;

        private JPanel linksPanel = null;

        private JPanel jPanel = null;

        private JButton descriptionButton = null;

        private JLabel jLabel = null;

        private JButton mapButton = null;

        private JScrollPane descriptionScroll = null;

        private JPanel imagePanel = null;

        private JLabel jLabel1 = null;

        private JLabel imageLabel = null;

        private JPanel jPanel1 = null;

        private JPanel nextLastPanel = null;

        private JButton lastButton = null;

        private JLabel textLabel = null;

        private JButton nextButton = null;

        private int numRecords; 

        private JButton closeButton = null;

        /**

         * Constaructor

         * 

         * @param server Server URL

         * 

         * @param node Answer Node

         * @param protocol Search protocol

         * @param numRecords Number of records returned by the query

         * @param serverURL 

         * @param translator 

         */

        public  ShowResultsPanel(CatalogClient client, int numRecords) {        

                super();

                this.client = client;                

                this.numRecords = numRecords;        

                initialize();                

        } 

        /**

         * This method initializes this

         * 

         */

        private void initialize() {        

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

                this.setSize(703, 364);

                this.add(getNextLastPanel(), null);

                this.add(getJPanel1(), null);

                this.add(getDescriptionPanel(), null);

                this.add(getJPanel(), null);

                this.add(getLinksPanel(), null);

                actualizaLabel(1);

        } 

        /**

         * Actualiza el valor de la cadena de taexto que muestra los resultados

         * 

         * 

         * @param number Registro actual

         */

        public void actualizaLabel(int number) {        

                textLabel.setText(Messages.getText("results") + ": " + String.valueOf(number) + " " + Messages.getText("of") + " " +

                                String.valueOf(this.numRecords));

        } 

        /**

         * @param descripcionBoton The descripcionBoton to set.

         */

        public void setDescripcionBoton(JButton descripcionBoton) {        

                this.descriptionButton = descripcionBoton;

        } 

        /**

         * @param mapButton The mapButton to set.

         */

        public void setMapButton(JButton mapButton) {        

                this.mapButton = mapButton;

        } 

        /**

         * This method initializes jPanel

         * @return javax.swing.JPanel

         */

        private JPanel getDescriptionPanel() {        

                if (descriptionPanel == null) {

                        jLabel1 = new JLabel();

                        descriptionPanel = new JPanel();

                        descriptionPanel.setLayout(new BoxLayout(descriptionPanel,

                                        BoxLayout.X_AXIS));

                        descriptionPanel.setPreferredSize(new java.awt.Dimension(600, 300));

                        jLabel1.setText("");

                        jLabel1.setPreferredSize(new java.awt.Dimension(40, 0));

                        descriptionPanel.add(getDescriptionScroll(), null);

                        if (mustShowThumbnails) {

                                descriptionPanel.add(jLabel1, null);

                                descriptionPanel.add(getImagePanel(), null);

                        } else {

                                descriptionPanel.setPreferredSize(new java.awt.Dimension(400,

                                                300));

                        }

                }

                return descriptionPanel;

        } 

        /**

         * This method initializes jTextArea

         * @return javax.swing.JTextArea

         */

        public JEditorPane getDescriptionArea() {        

                if (descriptionArea == null) {

                        descriptionArea = new JEditorPane();

                        descriptionArea.setPreferredSize(new java.awt.Dimension(400, 300));

                        descriptionArea.setContentType("text/html");                        

                }

                return descriptionArea;

        } 

        /**

         * This method initializes jPanel

         * @return javax.swing.JPanel

         */

        private JPanel getLinksPanel() {        

                if (linksPanel == null) {

                        FlowLayout flowLayout = new FlowLayout();

                        flowLayout.setAlignment(flowLayout.RIGHT);

                        linksPanel = new JPanel(flowLayout);

                        linksPanel.add(getDescriptionButton(), null);

                        linksPanel.add(getMapButton(), null);

                        linksPanel.add(getCloseButton(), null);

                }

                return linksPanel;

        } 

        /**

         * This method initializes jPanel

         * @return javax.swing.JPanel

         */

        private JPanel getJPanel() {        

                if (jPanel == null) {

                        jPanel = new JPanel();

                }

                return jPanel;

        } 

        /**

         * This method initializes jButton

         * @return javax.swing.JButton

         */

        public JButton getDescriptionButton() {        

                if (descriptionButton == null) {

                        descriptionButton = new JButton();

                        descriptionButton.setText(Messages.getText("description"));

                        descriptionButton.setActionCommand("description");

                        descriptionButton.setPreferredSize(new Dimension(95, 23));

                }

                return descriptionButton;

        } 

        /**

         * This method initializes jLabel

         * @return javax.swing.JLabel

         */

        private JLabel getJLabel() {        

                if (jLabel == null) {

                        jLabel = new JLabel();

                }

                return jLabel;

        } 

        /**

         * This method initializes mapButton

         * @return javax.swing.JButton

         */

        public JButton getMapButton() {        

                if (mapButton == null) {

                        mapButton = new JButton();

                        mapButton.setText(Messages.getText("addLayer"));

                        mapButton.setActionCommand("layer");

                        mapButton.setPreferredSize(new Dimension(95, 23));

                }

                return mapButton;

        } 

        /**

         * This method initializes descriptionScroll

         * @return javax.swing.JScrollPane

         */

        public JScrollPane getDescriptionScroll() {        

                if (descriptionScroll == null) {

                        descriptionScroll = new JScrollPane();

                        descriptionScroll.setViewportView(getDescriptionArea());

                        descriptionScroll.setHorizontalScrollBarPolicy(javax.swing.JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);

                        descriptionScroll.setVerticalScrollBarPolicy(javax.swing.JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);

                        descriptionScroll.setPreferredSize(new java.awt.Dimension(400, 250));

                }

                return descriptionScroll;

        } 

        /**

         * @return Returns the record.

         */

        public Record getRecord() {        

                return record;

        } 

        /**

         * @param record The Record to set.

         */

        public void setRecord(Record record) {        

                this.record = record;

        } 

        /**

         * @param node 

         * @param protocol 

         */

        public void loadTextNewRecord(Record record) {        

                setRecord(record);

                descriptionArea.setText(this.getHtml());

                descriptionArea.setCaretPosition(0);

                if (getRecord() != null){

                        if (getRecord().getImage() == null){

                                imageLabel.setIcon(getImgIcon(null));        

                                //DOWNLOAD the image

                                new ImageThread();                        

                        }else{

                                imageLabel.setIcon(getImgIcon(getRecord().getImage()));

                        }

                }

                this.repaint();

        } 

        /**

         * @return the HTML code to show

         */

        private String getHtml() {        

                StringBuffer html = new StringBuffer();

                html.append("<html><body>");

                if(getRecord() == null){

                        html.append("Error");

                        html.append("</body></html>");

                        return html.toString();

                }

                if ((getRecord().getNode() != null) && (getRecord().getNode().getName() != null)){

                        if (getRecord().getNode().getName().equals(XMLNode.ISNOTXML)){

                                html.append(getRecord().getNode().getText());

                                html.append("</body></html>");

                                return html.toString();

                        }

                }

                html.append("<font COLOR=\"#0000FF\">");

                if (this.getRecord().getTitle() != null) {

                        html.append(this.getRecord().getTitle());

                }

                html.append("<font COLOR=\"#000000\">");

                if ((this.getRecord().getAbstract_() != null) &&

                                (!(this.getRecord().getAbstract_().equals("")))) {

                        html.append("<br>");

                        html.append("<br>");

                        html.append("<b>" + Messages.getText("abstract") + ": </b>");

                        html.append(this.getRecord().getAbstract_());

                }

                if ((this.getRecord().getPurpose() != null) &&

                                (!(this.getRecord().getPurpose().equals("")))) {

                        html.append("<br>");

                        html.append("<br>");

                        html.append("<b>" + Messages.getText("purpose") +": </b>");

                        html.append(this.getRecord().getPurpose());

                }

                if (this.getRecord().getKeyWords() != null) {

                        if (this.getRecord().getKeyWords()[0] != null) {

                                html.append("<br>");

                                html.append("<br>");

                                html.append("<b>" + Messages.getText("keyWords") + ":</b>");

                                html.append(this.getRecord().getKeyWords()[0]);

                        }

                }

                if (this.getRecord().getKeyWords() != null) {

                        for (int i = 1; i < this.getRecord().getKeyWords().length; i++)

                                if (this.getRecord().getKeyWords()[i] != null) {

                                        html.append(", " + this.getRecord().getKeyWords()[i]);

                                }

                }

                html.append("</body></html>");

                return html.toString();

        } 

        /**

         * This method initializes imagePanel

         * @return javax.swing.JPanel

         */

        private JPanel getImagePanel() {        

                if (imagePanel == null) {

                        imagePanel = new JPanel();

                        imagePanel.setLayout(new FlowLayout(FlowLayout.CENTER));

                        imagePanel.setMaximumSize(new java.awt.Dimension(207, 210));

                        JPanel borderPanel = new JPanel();

                        borderPanel.setLayout(new BorderLayout());

                        borderPanel.setBorder(BorderFactory.createCompoundBorder(

                                        BorderFactory.createBevelBorder(BevelBorder.LOWERED),

                                        BorderFactory.createEmptyBorder(5, 5, 5, 5)));

                        imagePanel.add(borderPanel, BorderLayout.CENTER);

                        imageLabel = new JLabel(getImgIcon(null));

                        borderPanel.add(imageLabel, BorderLayout.CENTER);

                }

                return imagePanel;

        } 

        /**

         * @return 

         * @param pic 

         */

        public ImageIcon getImgIcon(BufferedImage pic) {        

                BufferedImage img = new BufferedImage(180, 180,

                                BufferedImage.TYPE_INT_ARGB);

                Graphics2D g = img.createGraphics();

                if (pic != null) {

                        double fw =         1.0;

                        double fh =         1.0;

                        if (pic.getWidth() > pic.getHeight()){

                                fw = 180D / pic.getWidth();

                                fh = fw; 

                        }else{

                                fh = 180D / pic.getHeight();

                                fw = fh;

                        }

                        AffineTransform mat = AffineTransform.getScaleInstance(fw, fh);

                        g.drawImage(pic, mat, null);

                } else {

                        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,

                                        RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

                        g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,

                                        RenderingHints.VALUE_FRACTIONALMETRICS_ON);

                        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,

                                        RenderingHints.VALUE_ANTIALIAS_ON);

                        g.setFont(new Font("Lucida Bright", Font.ITALIC, 30));

                        g.rotate(-Math.PI / 4, 100D, 100D);

                        String text = "NO PICTURE"; //DateFormat.getDateInstance(DateFormat.SHORT).format(new Date());

                        TextLayout tl = new TextLayout(text, g.getFont(),

                                        g.getFontRenderContext());

                        Rectangle2D bounds = tl.getBounds();

                        double x = (( 180D - bounds.getWidth()) / 2) - bounds.getX();

                        double y = (( 180D - bounds.getHeight()) / 2) - bounds.getY();

                        Shape outline = tl.getOutline(AffineTransform.getTranslateInstance(x +

                                        2, y + 1));

                        g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f));

                        g.setPaint(Color.WHITE);

                        g.draw(outline);

                        g.setPaint(new GradientPaint(0, 0, new Color(192, 192, 255), 30,

                                        20, new Color(255, 255, 64), true));

                        tl.draw(g, (float) x, (float) y);

                }

                g.dispose();

                return new ImageIcon(img);

        } 

        /**

         * @return Returns the imageURL.

         */

        public URL getImageURL() {        

                return imageURL;

        } 

        /**

         * @param imageURL The imageURL to set.

         */

        public void setImageURL(URL imageURL) {        

                this.imageURL = imageURL;

        } 

        /**

         * This method initializes jPanel1

         * @return javax.swing.JPanel

         */

        private JPanel getJPanel1() {        

                if (jPanel1 == null) {

                        jPanel1 = new JPanel();

                }

                return jPanel1;

        } 

        /**

         * This method initializes jPanel2

         * @return javax.swing.JPanel

         */

        private JPanel getNextLastPanel() {        

                if (nextLastPanel == null) {

                        textLabel = new JLabel();

                        nextLastPanel = new JPanel();

                        textLabel.setText("JLabel");

                        nextLastPanel.add(getLastButton(), null);

                        nextLastPanel.add(textLabel, null);

                        nextLastPanel.add(getNextButton(), null);

                }

                return nextLastPanel;

        } 

        /**

         * This method initializes jButton

         * 

         * 

         * @return javax.swing.JButton

         */

        public JButton getLastButton() {        

                if (lastButton == null) {

                        lastButton = new JButton();

                        lastButton.setText(Messages.getText("last"));

                        lastButton.setActionCommand("last");

                        lastButton.setEnabled(false);

                        lastButton.setPreferredSize(new Dimension(95, 23));

                }

                return lastButton;

        } 

        /**

         * This method initializes jButton

         * @return javax.swing.JButton

         */

        public JButton getNextButton() {        

                if (nextButton == null) {

                        nextButton = new JButton();

                        nextButton.setText(Messages.getText("next"));

                        nextButton.setActionCommand("next");

                        nextButton.setPreferredSize(new Dimension(95, 23));

                        if (this.numRecords < 2) {

                                nextButton.setEnabled(false);

                        }

                }

                return nextButton;

        } 

        /**

         * This method initializes jButton

         * @return javax.swing.JButton

         */

        public JButton getCloseButton() {        

                if (closeButton == null) {

                        closeButton = new JButton();

                        closeButton.setText(Messages.getText("close"));

                        closeButton.setActionCommand("close");

                        closeButton.setPreferredSize(new Dimension(80, 23));

                }

                return closeButton;

        } 

        /**

         * This thread is used to download the image

         * @author jorpiell

         *

         */

        private class ImageThread implements Runnable {

                volatile Thread myThread = null;

                public  ImageThread() {        

                        myThread = new Thread(this);

                        myThread.start();

                } 

                public void stop() {        

                        myThread.stop();

                } 

                /*

                 * (non-Javadoc)

                 * @see java.lang.Runnable#run()

                 */

                public void run() {        

                        BufferedImage img = ImageRetriever.getImageUrl(getRecord());

                        imageLabel.setIcon(getImgIcon(img));

                } 

        }

}

//@jve:decl-index=0:visual-constraint="107,10"