/*
* This file is part of Caliph & Emir.
*
* Caliph & Emir 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.
*
* Caliph & Emir 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 Caliph & Emir; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Copyright statement:
* --------------------
* (c) 2002-2005 by Mathias Lux (mathias@juggle.at)
* http://www.juggle.at, http://caliph-emir.sourceforge.net
*/
package at.lux.fotoretrieval.panels;
import at.lux.fotoretrieval.RetrievalFrame;
import at.lux.fotoretrieval.retrievalengines.LuceneRetrievalEngine;
import at.lux.fotoretrieval.retrievalengines.RetrievalEngineFactory;
import at.lux.fotoannotation.panels.ComponentFactory;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
/**
* XPathSearchPanel
*
* @author Mathias Lux, mathias@juggle.at
*/
public class GraphSearchPanel extends JPanel implements ActionListener {
private static final boolean USE_PATH_INDEX = true;
private RetrievalFrame parent;
private JTextField newObjectLabel;
private JButton addObject, browse;
GraphConstructionPanel graphConstruction = new GraphConstructionPanel();
private LuceneRetrievalEngine retrievalEngine = null;
private int countAnonymousNodes = 0;
public static final String ANONYMOUS_NODE_NAME = "anonymous node ";
public GraphSearchPanel(RetrievalFrame parent) {
setLayout(new BorderLayout());
this.parent = parent;
newObjectLabel = new JTextField();
newObjectLabel.addKeyListener(new KeyListener() {
public void keyTyped(KeyEvent e) {
if (e.getKeyChar() == '\n') {
String text = newObjectLabel.getText();
if (text.length() > 2 || text.equals("*")) {
addNewNode(text);
newObjectLabel.setText("");
}
}
}
public void keyPressed(KeyEvent e) {
}
public void keyReleased(KeyEvent e) {
}
});
addObject = new JButton("Create node");
addObject.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String text = newObjectLabel.getText();
if (text.length() > 2 || text.equals("*")) {
addNewNode(text);
newObjectLabel.setText("");
}
}
});
JPanel graphPanel = new JPanel(new BorderLayout());
JPanel graphButtonPanel = new JPanel(new BorderLayout());
graphButtonPanel.add(newObjectLabel, BorderLayout.CENTER);
graphButtonPanel.add(addObject, BorderLayout.EAST);
// graphButtonPanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Create new nodes for the query graph:"));
graphPanel.add(graphConstruction, BorderLayout.CENTER);
graphPanel.add(ComponentFactory.createTitledPanel("Create new nodes for the query graph:", graphButtonPanel), BorderLayout.NORTH);
JPanel buttonPanel = new JPanel(new BorderLayout());
JButton search = new JButton("Start search");
search.setActionCommand("search");
search.addActionListener(this);
buttonPanel.add(search, BorderLayout.CENTER);
add(graphPanel, BorderLayout.CENTER);
add(buttonPanel, BorderLayout.SOUTH);
}
private void addNewNode(String text) {
if (!text.equals("*")) {
if (retrievalEngine == null) {
retrievalEngine = (LuceneRetrievalEngine) RetrievalEngineFactory.getLuceneRetrievalEngine();
}
int hits = retrievalEngine.getNodes(text, RetrievalFrame.BASE_DIRECTORY).size();
graphConstruction.addNode(text + " (" + hits + ")");
} else {
graphConstruction.addNode(ANONYMOUS_NODE_NAME + ++countAnonymousNodes);
}
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("search")) {
if (USE_PATH_INDEX) {
startPathSearch();
} else {
startSearch();
}
} else {
JOptionPane.showMessageDialog(this, "Not implemented yet!");
}
}
private void startPathSearch() {
String pathSearchString = graphConstruction.getPathSearchString();
if (pathSearchString.length() > 0) {
parent.searchForSemanticsInPathIndex(pathSearchString, RetrievalFrame.BASE_DIRECTORY, true);
}
}
private void startSearch() {
if (graphConstruction.getSearchString().length() > 0) {
String searchString = graphConstruction.getSearchString();
// System.out.println(searchString);
parent.searchForSemanticsInIndex(searchString, RetrievalFrame.BASE_DIRECTORY, true);
}
}
}