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.wms.app.wmsclient.infobypoint;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Dimension;

import java.util.HashMap;

import javax.swing.ImageIcon;

import javax.swing.JEditorPane;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.event.HyperlinkEvent;

import javax.swing.event.HyperlinkListener;

import javax.swing.text.Document;

import javax.swing.text.html.HTMLEditorKit;

import javax.swing.text.html.StyleSheet;

import javax.swing.tree.DefaultMutableTreeNode;

import javax.swing.tree.DefaultTreeModel;

import javax.swing.tree.TreePath;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

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

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

import org.gvsig.app.project.documents.view.info.gui.XMLItem;

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

import org.gvsig.fmap.mapcontrol.tools.CompoundBehavior;

import org.gvsig.raster.swing.RasterSwingLocator;

import org.gvsig.raster.swing.infobypoint.InfoByPointDataModel;

import org.gvsig.raster.swing.infobypoint.MainInfoByPointPanel;

import org.gvsig.raster.swing.pixelinspector.PixelInspector;

import org.gvsig.utils.xmlViewer.TextXMLContent;

import org.gvsig.utils.xmlViewer.XMLContent;

import org.gvsig.utils.xmlViewer.XMLViewer;

import org.slf4j.LoggerFactory;

import org.xml.sax.Attributes;

import org.xml.sax.ContentHandler;

import org.xml.sax.Locator;

import org.xml.sax.SAXException;

/**

 * Dialog for the information by point of a raster layer

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class MainInfoByPointDialog extends JPanel implements IWindow, HyperlinkListener {

        private static final long               serialVersionUID   = 1L;

        private MainInfoByPointPanel            mainPanel          = null;

        private JScrollPane                     scroll             = null;

        private JPanel                          wmsInfo            = null;

        private JEditorPane                     jeditor            = null;

        private XMLViewer                       dlgXML             = null;

        private XMLItem                         item               = null;

        private XMLContent                      xmlContent         = null;

        public class StringXMLItem extends TextXMLContent implements XMLItem {

                FLayer layer;

                public StringXMLItem(String text, FLayer lyr) {

                        super(text);

                        this.layer = lyr;

                }

                public FLayer getLayer(){

                        return this.layer;

                }

                public void parse(ContentHandler handler) throws SAXException {

                        setContentHandler(new FilterContentHandler(handler));

                        parse();

                }

                private class FilterContentHandler implements ContentHandler {

                        private ContentHandler handler;

                        public FilterContentHandler(ContentHandler handler) {

                                this.handler = handler;

                        }

                        public void setDocumentLocator(Locator arg0) {

                        }

                        public void startDocument() throws SAXException {

                        }

                        public void endDocument() throws SAXException {

                        }

                        public void startPrefixMapping(String arg0, String arg1)

                                        throws SAXException {

                        }

                        public void endPrefixMapping(String arg0) throws SAXException {

                        }

                        public void startElement(String arg0, String arg1, String arg2,

                                        Attributes arg3) throws SAXException {

                                handler.startElement(arg0, arg1, arg2, arg3);

                        }

                        public void endElement(String arg0, String arg1, String arg2)

                                        throws SAXException {

                                handler.endElement(arg0, arg1, arg2);

                        }

                        public void characters(char[] arg0, int arg1, int arg2)

                                        throws SAXException {

                                handler.characters(arg0, arg1, arg2);

                        }

                        public void ignorableWhitespace(char[] arg0, int arg1, int arg2)

                                        throws SAXException {

                        }

                        public void processingInstruction(String arg0, String arg1)

                                        throws SAXException {

                        }

                        public void skippedEntity(String arg0) throws SAXException {

                        }

                }

        }

        public MainInfoByPointDialog() {

                setLayout(new BorderLayout());

                add((Component)getMainPanel(), BorderLayout.WEST);

                add((Component)getWMSInfoPanel(), BorderLayout.CENTER);

        }

        public MainInfoByPointPanel getMainPanel() {

                if(mainPanel == null) {

                        HashMap<String, String> translations = new HashMap<String, String>();

                        translations.put("info", PluginServices.getText(this, "info"));

                        translations.put("view", PluginServices.getText(this, "view"));

                        translations.put("layer_list", PluginServices.getText(this, "layer_list"));

                        translations.put("band_values", PluginServices.getText(this, "band_values"));

                        translations.put("pixel_point", PluginServices.getText(this, "pixel_point"));

                        translations.put("view_point", PluginServices.getText(this, "view_point"));

                        translations.put("world_point", PluginServices.getText(this, "world_point"));

                        translations.put("bands", PluginServices.getText(this, "bands"));

                        translations.put("colors", PluginServices.getText(this, "colors"));

                        translations.put("coords", PluginServices.getText(this, "coords"));

                        translations.put("lat", PluginServices.getText(this, "lat"));

                        translations.put("long", PluginServices.getText(this, "long"));

                        translations.put("red", PluginServices.getText(this, "red"));

                        translations.put("green", PluginServices.getText(this, "green"));

                        translations.put("blue", PluginServices.getText(this, "blue"));

                        HashMap<String, ImageIcon> icons = new HashMap<String, ImageIcon>();

                        icons.put("forward-icon", IconThemeHelper.getImageIcon("forward-icon"));

                        icons.put("backward-icon", IconThemeHelper.getImageIcon("backward-icon"));

                        mainPanel = RasterSwingLocator.getSwingManager().createInfoByPointPanel(

                                        translations, icons, null);

                        ((JPanel)mainPanel).setPreferredSize(new Dimension(230, 0));

                }

                return mainPanel;

        }

        private JPanel getWMSInfoPanel() {

                if(wmsInfo == null) {

                        wmsInfo = new JPanel();

                        wmsInfo.setLayout(new BorderLayout());

                        jeditor = new JEditorPane();

                        scroll = new JScrollPane(jeditor);

                        jeditor.addHyperlinkListener(this);

                        jeditor.setEditable(false);

                        wmsInfo.add(scroll, BorderLayout.CENTER);

                }

                return wmsInfo;

        }

        private JPanel getWMSXMLInfoPanel(String text) throws SAXException {

                if(wmsInfo == null) {

                        wmsInfo = new JPanel();

                        wmsInfo.setLayout(new BorderLayout());

                        dlgXML = new XMLViewer();

                        scroll = new JScrollPane(dlgXML);

                        item = new StringXMLItem(text, null);

                        xmlContent = new XMLContent() {

                                private ContentHandler handler;

                                public void setContentHandler(ContentHandler arg0) {

                                        handler = arg0;

                                }

                                public void parse() throws SAXException {

                                        handler.startDocument();

                                        item.parse( handler);

                                        handler.endDocument();

                                }

                        };

                        dlgXML.setNamesColumn(new String[0]);

                        dlgXML.setModel(xmlContent);

                        dlgXML.getXmlTree().setRootVisible(false);

                        DefaultTreeModel treeModel = (DefaultTreeModel)dlgXML.getXmlTree().getModel();

                        DefaultMutableTreeNode root = (DefaultMutableTreeNode) dlgXML.getXmlTree().getModel().getRoot();

                        DefaultMutableTreeNode n = root.getFirstLeaf();

                        TreePath path = new TreePath(treeModel.getPathToRoot(n));

                        dlgXML.getXmlTree().expandPath(path);

                        //dlgXML.getXmlTree().setSelectionPath(path);

                        wmsInfo.add(scroll, BorderLayout.CENTER);

                }

                return wmsInfo;

        }

        public void setWMSInfoText(String text, String type) {

                if(type.equals("text/html")) {

                        if(jeditor == null) {

                                wmsInfo = null;

                                dlgXML = null;

                                remove(1);

                                add((Component)getWMSInfoPanel(), BorderLayout.CENTER);

                        }

                        HTMLEditorKit kit = new HTMLEditorKit();

                        jeditor.setEditorKit(kit);

                        text = removeLabelBlock(text, "style");

                        text = removeLabelBlock(text, "meta");

                        StyleSheet s = kit.getStyleSheet();

                        s.addRule("body {font-family:verdana; margin: 15px; }");

                        s.addRule("caption {background-color:#FBFFE1;font-style:normal;color:black}");

                        s.addRule("th {background-color:#D6D6D6;color:white;}");

                        s.addRule("td {background-color:#FEEDD6;color:black;}");

                        Document doc = kit.createDefaultDocument();

                        jeditor.setDocument(doc);

                        jeditor.setContentType(type);

                        jeditor.setText(text);

                } else if(type.equals("text/xml")) {

                        try {

                                if(dlgXML == null) {

                                        wmsInfo = null;

                                        jeditor = null;

                                        remove(1);

                                        add((Component)getWMSXMLInfoPanel(text), BorderLayout.CENTER);

                                } else {

                                        item = new StringXMLItem(text, null);

                                        dlgXML.setModel(xmlContent);

                                }

                        } catch (SAXException e) {

                                LoggerFactory.getLogger(MainInfoByPointDialog.class).debug("", e);

                        }

                }

        }

        /**

         * Removes a label from the text

         * @param text

         * @param label

         * @return

         */

        private String removeLabelBlock(String text, String label) {

                if(text.contains("<" + label) && text.contains("/" + label + ">")) {

                        int initIndex = text.indexOf("<" + label);

                        int endIndex = text.indexOf("/" + label + ">");

                        return text.substring(0, initIndex) + text.substring(endIndex + 7, text.length());

                }

                return text;

        }

        public WindowInfo getWindowInfo() {

                WindowInfo m_viewinfo = new WindowInfo(WindowInfo.MODELESSDIALOG | WindowInfo.RESIZABLE);

                m_viewinfo.setTitle(PluginServices.getText(this, "WMS InfoByPoint"));

                m_viewinfo.setHeight(380);

                m_viewinfo.setWidth(700);

                return m_viewinfo;

        }

        public void windowClosed() {

                CompoundBehavior.setAllControlsBehavior(InfoByWMSPointExtension.oldBehavior);

        }

        public Object getWindowProfile() {

                return WindowInfo.PROPERTIES_PROFILE;

        }

        public InfoByPointDataModel getInfoByPointDataModel() {

                return getMainPanel().getInfoByPointDataModel();

        }

        public PixelInspector getPixelInspector() {

                return getMainPanel().getPixelInspectorPanel();

        }

        public void hyperlinkUpdate(HyperlinkEvent e) {

                if(e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {

                        new BrowserControl().displayURL(e.getURL().toString());

                }

        }

}