| gvSIG desktop 1

package com.iver.cit.gvsig.gui;

import java.awt.Cursor;

import java.awt.Image;

import java.awt.Point;

import java.awt.Toolkit;

import java.awt.geom.Point2D;

import java.util.BitSet;

import javax.swing.ImageIcon;

import javax.swing.JDialog;

import javax.swing.tree.DefaultMutableTreeNode;

import javax.swing.tree.DefaultTreeModel;

import javax.swing.tree.TreePath;

import org.apache.log4j.Logger;

import org.xml.sax.ContentHandler;

import org.xml.sax.SAXException;

import org.xml.sax.helpers.AttributesImpl;

import com.hardcode.gdbms.engine.data.DataSource;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.NewMapControl;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

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

import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData;

import com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData;

import com.iver.cit.gvsig.fmap.operations.QueriedPoint;

import com.iver.cit.gvsig.fmap.operations.strategies.QueryByPointVisitor;

import com.iver.cit.gvsig.fmap.tools.BehaviorException;

import com.iver.cit.gvsig.fmap.tools.Events.PointEvent;

import com.iver.cit.gvsig.fmap.tools.Listeners.PointListener;

import com.iver.cit.gvsig.gui.Dialogs.FInfoDialogXML;

import com.iver.utiles.xmlViewer.XMLContent;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class InfoListener implements PointListener {

	// private final Image img = new ImageIcon(NewMapControl.class.getResource(

	//"images/InfoCursor.png")).getImage();

	private static Logger logger = Logger.getLogger(InfoListener.class.getName());

	private final Image img = new ImageIcon(NewMapControl.class.getResource(

    	"images/InfoCursor.gif")).getImage();

	private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(img,

			new Point(16, 16), "");

	private NewMapControl mapCtrl;

	private BitSet[] bitset;

	private FLayer[] layers;

	/**

	 * Crea un nuevo AreaListenerImpl.

	 *

	 * @param mc DOCUMENT ME!

	 */

	public InfoListener(NewMapControl mc) {

		this.mapCtrl = mc;

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param event DOCUMENT ME!

	 *

	 * @throws DriverIOException

	 *

	 * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)

	 */

	public void point(PointEvent event) throws BehaviorException {

		Point2D pReal = mapCtrl.getMapContext().getViewPort().toMapPoint(event.getPoint());

		// Dentro de queryByPoint tenemos que separar los registros que vienen asociados a una 

		// capa o a otra. Supongo que lo correcto ser?a que montaramos un XML y usar el visor

		// de XML que ha empezado Fernando.

		// String strResul = m_MapControl.queryByPoint(pScreen,m_MapControl.toMapDistance(3),"");

		//FInfoDialog dlg = new FInfoDialog();

		//     dlg.clearAll();

		//   dlg.setViewModel((ProjectView) proj);

		FInfoDialogXML dlgXML = new FInfoDialogXML();

		//MultipleXMLContent xmlModel = new MultipleXMLContent();		

		FLayer[] sel = mapCtrl.getMapContext().getLayers().getActives();

		bitset = new BitSet[sel.length];

		layers = new FLayer[sel.length];

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

			FLayer laCapa = (FLayer) sel[i];

			if ((laCapa instanceof VectorialData) &&

					(laCapa instanceof AlphanumericData)){

				QueryByPointVisitor visitor = new QueryByPointVisitor();

				visitor.setLayer(laCapa);

				visitor.setQueriedPoint(new QueriedPoint(

						pReal.getX(), pReal.getY()));

				visitor.setTolerance(mapCtrl.getMapContext().getViewPort().toMapDistance(3));

				try {

					((VectorialData) laCapa).process(visitor);

				} catch (DriverException e) {

					throw new BehaviorException("No se pudo procesar la capa", e);

				}

				bitset[i] = visitor.getBitSet();

				layers[i] = laCapa;

			}

		}

		if (bitset != null) {

			try {

				if (PluginServices.getMainFrame() == null)

				{

					JDialog dialog = new JDialog();

					dlgXML.setPreferredSize(dlgXML.getSize());

					dialog.getContentPane().add(dlgXML);

					dialog.setModal(false);			

					dialog.pack();

					dialog.show();

				}

				else

					dlgXML = (FInfoDialogXML) PluginServices.getMDIManager().addView(dlgXML);

				dlgXML.setModel(new XMLContent() {

					private ContentHandler handler;

					public void setContentHandler(ContentHandler arg0) {

						handler = arg0;

					}

					public void parse() throws SAXException {

						handler.startDocument();

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

							AttributesImpl aii = new AttributesImpl();

							handler.startElement("", "",

								((FLayer) layers[i]).getName(), aii);

							try {

								DataSource ds = ((AlphanumericData) layers[i]).getRecordset();

								ds.start();

								for (int j = bitset[i].nextSetBit(0);

										j >= 0;

										j = bitset[i].nextSetBit(j + 1)) {

									// for (int j = 0; j < bitset[i].length();

									//        j++) {

									//if (bitset[i].get(j)) {

									AttributesImpl ai = new AttributesImpl();

									for (int k = 0; k < ds.getFieldCount();

											k++) {

										ai.addAttribute("",

											ds.getFieldName(k), "",

											"xs:string",

											ds.getFieldValue(j, k).toString());

									}

									handler.startElement("", "",

										String.valueOf(j), ai);

									handler.endElement("", "",

										String.valueOf(j));

								}

								logger.debug("ds.stop()");

								ds.stop();

							} catch (com.hardcode.gdbms.engine.data.DriverException e) {

								throw new SAXException(e);

							} catch (DriverException e) {

								throw new SAXException(e);

							}

							handler.endElement("", "",

								((FLayer) layers[i]).getName());

						}

						handler.endDocument();

					}

				});

				dlgXML.getXmlTree().setRootVisible(false);

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

		        DefaultMutableTreeNode n;

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

				n = root.getFirstLeaf();

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

				dlgXML.getXmlTree().expandPath(path);

				dlgXML.getXmlTree().setSelectionPath(path);

			} catch (SAXException e) {

				NotificationManager.addError("Error formateando los resultados", e);

			}

		}

	}

	/**

	 * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()

	 */

	public Cursor getCursor() {

		return cur;

	}

	/**

	 * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()

	 */

	public boolean cancelDrawing() {

		return false;

	}

}