Application: gvSIG desktop

/* 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 com.iver.cit.gvsig.gui.filter;

import java.text.NumberFormat;

import java.text.ParseException;

import java.util.ArrayList;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import javax.swing.tree.DefaultMutableTreeNode;

import org.apache.log4j.Logger;

import org.gvsig.gui.beans.filterPanel.tableFilterQueryPanel.TableFilterQueryJPanel;

import com.hardcode.gdbms.engine.data.driver.DriverException;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.IWindowListener;

import com.iver.andami.ui.mdiManager.WindowInfo;

import com.iver.cit.gvsig.project.documents.table.gui.Table;

import com.iver.utiles.DefaultCharSet;

import com.iver.utiles.StringUtilities;

import com.iver.utiles.exceptionHandling.ExceptionHandlingSupport;

import com.iver.utiles.exceptionHandling.ExceptionListener;

/**

 * This class substitutes the old "FilterDialog" class made by "Fernando Gonz?lez Cort?s"

 * The functionality is the same, but now the class is made from separately (and reusable) components

 * 

 * @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)

 */

public class NewFilterDialog extends TableFilterQueryJPanel implements IWindow, IWindowListener {

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

	private ExpressionDataSource model = null;

	private ArrayList expressionListeners = new ArrayList();

	private ExceptionHandlingSupport exceptionHandlingSupport = new ExceptionHandlingSupport();

	private NumberFormat nf = NumberFormat.getNumberInstance();

	private String title;

	/**

	 * This is the default constructor

	 */

	public NewFilterDialog(String _title) {		

		super();

		initialize();

		title = _title;

	}

	/**

	 * This is the default constructor

	 */

	public NewFilterDialog() {		

		super();

		initialize();

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param t DOCUMENT ME!

	 */

	public void setModel(ExpressionDataSource t) {

		try {

			model = t;

            model.start();

        } catch (DriverException e1) {

            NotificationManager.addError(e1.getMessage(), e1);

        }

        jtreeRoot.removeAllChildren();

        try {

			for (int i = 0; i < model.getFieldCount(); i++) {

				Object field = model.getFieldName(i);

				layerFeaturesFields.addField(field);

				jtreeRoot.add(new DefaultMutableTreeNode(field.toString()));

			}

		} catch (FilterException e) {

			throwException(e);

		}

	}

	/**

		 * DOCUMENT ME!

		 *

		 * @return DOCUMENT ME!

		 *

		 * @throws ParseException DOCUMENT ME!

		 */

		private String validateExpression() throws ParseException {

			String expression = txtExpression.getText();

	//		HashSet variablesIndexes = new HashSet();

	//

	//		StringBuffer traducida = new StringBuffer();

			//Se transforman los nombres de los campos en las variables xix que analizar?n

			//Se quitan los Date(fecha) y se mete la fecha correspondiente

			expression = translateDates(expression);

			expression = translateNumber(expression);

			expression = translateWord(expression, "true", "1");

			expression = translateWord(expression, "false", "0");

			String replacement;

			Pattern patron = Pattern.compile("[^<>!]=");

			Matcher m = patron.matcher(expression);

			int index = 0;

			while (m.find(index)) {

				index = m.start();

				replacement = expression.charAt(index) + "==";

				m.replaceFirst(replacement);

				index++;

			}

			expression = expression.replaceAll("[^<>!]=", "==");

			logger.debug(expression);

			return expression;

		}

	/**

	 * Redefinition of the 'putSymbol' method of AbstractFilterQueryJPanel

	 *   (I've made this redefinition for write the same code as the 'putSymbol'

	 *    code of the original class (FilterDialog) that was in this project

	 *    (appgvSIG) and didn't has path troubles to find 'StringUtilities').

	 * 

	 * Sets a symbol on the filter expression (JTextArea that stores and shows

	 *   the current filter expression)

	 *

	 * @param symbol A symbol: character, characters, number, ...

	 */

	protected void putSymbol(String symbol) {

		int position = txtExpression.getCaretPosition();

		txtExpression.setText(StringUtilities.insert(txtExpression.getText(),

				position, symbol));

		if (symbol.equals(" () ")) {

			position = position + 2;

		} else {

			position = position + symbol.length();

		}

		txtExpression.setCaretPosition(position);

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param expresion DOCUMENT ME!

	 * @param substring DOCUMENT ME!

	 * @param startingPos DOCUMENT ME!

	 *

	 * @return DOCUMENT ME!

	 */

	private int getIndex(String expresion, String substring, int startingPos) {

		int index = startingPos;

		do {

			index = expresion.indexOf(substring, index);

		} while ((StringUtilities.isBetweenSymbols(expresion, index, "\"")) &&

				(index != -1));

		return index;

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param expresion DOCUMENT ME!

	 * @param word DOCUMENT ME!

	 * @param translation DOCUMENT ME!

	 *

	 * @return DOCUMENT ME!

	 *

	 * @throws ParseException DOCUMENT ME!

	 */

	private String translateWord(String expresion, String word,

		String translation) throws ParseException {

		int booleanIndex = 0;

		int endIndex = 0;

		StringBuffer res = new StringBuffer();

		while ((booleanIndex = getIndex(expresion, word, booleanIndex)) != -1) {

			res.append(expresion.substring(endIndex, booleanIndex));

			endIndex = booleanIndex + word.length();

			booleanIndex++;

			res.append(translation);

		}

		if (endIndex < expresion.length()) {

			res.append(expresion.substring(endIndex));

		}

		return res.toString();

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param expresion DOCUMENT ME!

	 *

	 * @return DOCUMENT ME!

	 *

	 * @throws ParseException DOCUMENT ME!

	 */

	private String translateDates(String expresion) throws ParseException {

		//Se obtiene el valor de la fecha

		String date = StringUtilities.substringDelimited(expresion, "Date(",

				")", 0);

		if (date == null) {

			return expresion;

		}

		//Se comprueba que no est? entre comillas 

		int startIndex = expresion.indexOf(date);

		while (startIndex != -1) {

			if (!StringUtilities.isBetweenSymbols(expresion, startIndex, "\"")) {

				//Se sustituye por el valor ordinal de la fecha

				expresion = expresion.substring(0, startIndex - 5) +

					expresion.substring(startIndex).replaceFirst(date + "\\)",

						new Long((filterButtonsJPanel.getDateFormat().parse(date)).getTime()).toString());

				;

			} else {

				startIndex += date.length();

			}

			//Se obtiene el valor de la fecha

			/*            date = StringUtilities.substringDelimited(expresion, "Date(", ")",

			   startIndex);

			 */

			if (date == null) {

				return expresion;

			}

			startIndex = expresion.indexOf(date, startIndex);

		}

		return expresion;

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param expresion DOCUMENT ME!

	 *

	 * @return DOCUMENT ME!

	 *

	 * @throws ParseException DOCUMENT ME!

	 */

	public String translateNumber(String expresion) throws ParseException {

		DefaultCharSet ss = new DefaultCharSet();

		ss.addInterval('0', '9');

		ss.addCharacter(',');

		ss.addCharacter('.');

		String number = StringUtilities.substringWithSymbols(expresion, ss, 0);

		if (number == null) {

			return expresion;

		}

		int startIndex = expresion.indexOf(number);

		while (startIndex != -1) {

			Number n = nf.parse(number);

			if (!StringUtilities.isBetweenSymbols(expresion, startIndex, "\"")) {

				//Se sustituye por el valor ordinal de la fecha

				expresion = expresion.substring(0, startIndex) +

					expresion.substring(startIndex).replaceFirst(number,

						n.toString());

			} else {

				startIndex += n.toString().length();

			}

			number = StringUtilities.substringWithSymbols(expresion, ss,

					startIndex);

			if (number == null) {

				return expresion;

			}

			startIndex = expresion.indexOf(number, startIndex);

		}

		return expresion;

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param arg0

	 *

	 * @return

	 */

	public boolean addExpressionListener(ExpressionListener arg0) {

		return expressionListeners.add(arg0);

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param arg0

	 *

	 * @return

	 */

	public boolean removeExpressionListener(ExpressionListener arg0) {

		return expressionListeners.remove(arg0);

	}

	/**

	 * @see com.iver.mdiApp.ui.MDIManager.IWindow#getWindowInfo()

	 */

	public WindowInfo getWindowInfo() {

		WindowInfo vi = new WindowInfo(WindowInfo.ICONIFIABLE);

		vi.setWidth(480);

		vi.setHeight(362);

		vi.setTitle(PluginServices.getText( this, "filtro") + " (" + title + ")");

		return vi;

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param o DOCUMENT ME!

	 */

	public void addExceptionListener(ExceptionListener o) {

		exceptionHandlingSupport.addExceptionListener(o);

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param o DOCUMENT ME!

	 *

	 * @return DOCUMENT ME!

	 */

	public boolean removeExceptionListener(ExceptionListener o) {

		return exceptionHandlingSupport.removeExceptionListener(o);

	}

	/**

	 * DOCUMENT ME!

	 *

	 * @param t DOCUMENT ME!

	 */

	private void throwException(Throwable t) {

		exceptionHandlingSupport.throwException(t);

	}

    /* (non-Javadoc)

     * @see com.iver.andami.ui.mdiManager.ViewListener#viewActivated()

     */

    public void windowActivated() {

    }

    /* (non-Javadoc)

     * @see com.iver.andami.ui.mdiManager.ViewListener#viewClosed()

     */

    public void windowClosed() {

        try {

            model.stop();

        } catch (DriverException e) {

            NotificationManager.addError(e.getMessage(), e);

        }        

    }

}