/*
* 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 javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.filechooser.FileFilter;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.io.File;
import java.io.IOException;
import java.util.Vector;
/**
* XPathSearchPanel
*
* @author Mathias Lux, mathias@juggle.at
*/
public class SemanticSearchPanel extends JPanel implements ActionListener {
private JTextField object1, object2, object3, relation1, relation2, path;
private JButton search, browse;
private JPanel buttonPanel, semanticsPane, dp;
private RetrievalFrame parent;
private JCheckBox inverse1, inverse2;
private VisSemanticSearchPanel visSearch;
public SemanticSearchPanel(RetrievalFrame parent) {
setLayout(new BorderLayout());
this.parent = parent;
dp = new JPanel(new BorderLayout());
path = new JTextField(RetrievalFrame.BASE_DIRECTORY);
path.setEnabled(false);
dp.add(path, BorderLayout.CENTER);
browse = new JButton("Directory ...");
browse.setActionCommand("selectDirectory");
browse.addActionListener(this);
dp.add(browse, BorderLayout.EAST);
dp.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Select directory"));
JPanel labelPane = new JPanel(new GridLayout(0, 1));
JPanel inputPane = new JPanel(new GridLayout(0, 1));
JPanel inversePane = new JPanel(new GridLayout(0, 1));
object1 = new JTextField();
object2 = new JTextField();
object3 = new JTextField();
relation1 = new JTextField();
relation2 = new JTextField();
object1.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
super.focusLost(e);
updateGraph();
}
});
object2.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
super.focusLost(e);
updateGraph();
}
});
object3.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
super.focusLost(e);
updateGraph();
}
});
relation1.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
super.focusLost(e);
updateGraph();
}
});
relation2.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
super.focusLost(e);
updateGraph();
}
});
inverse1 = new JCheckBox("inverse");
inverse1.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
updateGraph();
}
});
inverse2 = new JCheckBox("inverse");
inverse2.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
updateGraph();
}
});
labelPane.add(new JLabel("Object I:"));
inputPane.add(object1);
inversePane.add(new JLabel());
labelPane.add(new JLabel("Relation I:"));
inputPane.add(relation1);
inversePane.add(inverse1);
labelPane.add(new JLabel("Object II:"));
inputPane.add(object2);
inversePane.add(new JLabel());
labelPane.add(new JLabel("Relation II:"));
inputPane.add(relation2);
inversePane.add(inverse2);
labelPane.add(new JLabel("Object III:"));
inputPane.add(object3);
inversePane.add(new JLabel());
buttonPanel = new JPanel(new FlowLayout());
search = new JButton("Search");
search.addActionListener(this);
search.setActionCommand("search");
buttonPanel.add(search);
semanticsPane = new JPanel(new BorderLayout());
semanticsPane.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Define Semantics:"));
semanticsPane.add(labelPane, BorderLayout.WEST);
semanticsPane.add(inputPane, BorderLayout.CENTER);
semanticsPane.add(inversePane, BorderLayout.EAST);
semanticsPane.add(dp, BorderLayout.SOUTH);
this.add(semanticsPane, BorderLayout.NORTH);
visSearch = new VisSemanticSearchPanel();
this.add(visSearch, BorderLayout.CENTER);
this.add(buttonPanel, BorderLayout.SOUTH);
}
private void selectDirectory() {
JFileChooser jfc = new JFileChooser(".");
jfc.setMultiSelectionEnabled(false);
jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
jfc.setFileFilter(new FileFilter() {
public boolean accept(File f) {
if (f.isDirectory()) {
return true;
} else
return false;
}
public String getDescription() {
return "Directories";
}
});
if (jfc.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
try {
path.setText(jfc.getSelectedFile().getCanonicalPath());
RetrievalFrame.BASE_DIRECTORY = jfc.getSelectedFile().getCanonicalPath();
} catch (IOException e) {
System.err.println("Error reading directory: IOException - " + e.getMessage());
}
}
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("search")) {
startSearch();
} else if (e.getActionCommand().equals("selectDirectory")) {
selectDirectory();
} else {
JOptionPane.showMessageDialog(this, "Not implemented yet!");
}
}
private void startSearch() {
// check if it is a valid search:
// . case 1: o1 filled
// case 2: o1 && r1 && o2 filled
// case 3: o1 && r1 && o2 && r2 && o3 filled
// case 4: o1 && o2 filled
// case 5: o1 && o2 && o3 filled
int o1, o2, o3, r1, r2;
o1 = object1.getText().length();
o2 = object2.getText().length();
o3 = object3.getText().length();
r1 = relation1.getText().length();
r2 = relation2.getText().length();
boolean valid = false;
// case 1
if (o1 >= 1 && o2 < 1 && o3 < 1 && r1 < 1 && r2 < 1)
valid = true;
// case 4
else if (o1 >= 1 && o2 >= 1 && o3 < 1 && r1 < 1 && r2 < 1)
valid = true;
// case 2
else if (o1 >= 1 && o2 >= 1 && o3 < 1 && r1 >= 1 && r2 < 1)
valid = true;
// case 5
else if (o1 >= 1 && o2 >= 1 && o3 >= 1 && r1 < 1 && r2 < 1)
valid = true;
// case 3
else if (o1 >= 1 && o2 >= 1 && o3 >= 1 && r1 >= 1 && r2 >= 1)
valid = true;
if (!valid) {
JOptionPane.showMessageDialog(this, "This combination of objects and relations is\nnot a supported search request!", "Not implemented yet!", JOptionPane.ERROR_MESSAGE);
return;
}
String countRel = "";
String countObj = "";
String searchObj1 = "";
String searchObj2 = "";
String searchObj3 = "";
String searchRel1 = "";
String searchRel2 = "";
// Relations: //Semantic[./Graph/Relation[@type='urn:mpeg:mpeg7:cs:SemanticRelationCS:2001:patientOf'] and count(./Graph/Relation) >= 2]
// Objects: //Semantic[./SemanticBase[contains(descendant-or-self::node(), 'Tob')] and count(./SemanticBase) >= 2]
// count Relations:
if (relation1.getText().length() > 0 && relation2.getText().length() > 0) {
countRel = "count(./Graph/Relation) > 1";
}
// count Objects
if (object1.getText().length() > 0 && object2.getText().length() > 0 && object3.getText().length() > 0) {
countObj = "count(./SemanticBase) > 2";
} else if (object1.getText().length() > 0 && object2.getText().length() > 0) {
countObj = "count(./SemanticBase) > 1";
}
// search Relations:
if (relation1.getText().length() > 0 && relation1.getText().indexOf('*') < 0) {
searchRel1 = "./Graph/Relation[@type='urn:mpeg:mpeg7:cs:SemanticRelationCS:2001:" + relation1.getText() + "']";
}
if (relation2.getText().length() > 0 && relation2.getText().indexOf('*') < 0) {
searchRel2 = "./Graph/Relation[@type='urn:mpeg:mpeg7:cs:SemanticRelationCS:2001:" + relation2.getText() + "']";
}
// search Objects:
if (object1.getText().length() > 0 && object1.getText().indexOf('*') < 0) {
searchObj1 = "./SemanticBase[contains(descendant-or-self::node(), '" + object1.getText() + "')]";
}
if (object2.getText().length() > 0 && object2.getText().indexOf('*') < 0) {
searchObj2 = "./SemanticBase[contains(descendant-or-self::node(), '" + object2.getText() + "')]";
}
if (object3.getText().length() > 0 && object3.getText().indexOf('*') < 0) {
searchObj3 = "./SemanticBase[contains(descendant-or-self::node(), '" + object3.getText() + "')]";
}
// build XPath Statement:
StringBuffer expr = new StringBuffer("//Semantic[");
boolean addAnd = false;
if (countRel.length() > 0) {
if (addAnd) expr.append(" and ");
expr.append(countRel);
addAnd = true;
}
if (countObj.length() > 0) {
if (addAnd) expr.append(" and ");
expr.append(countObj);
addAnd = true;
}
if (searchRel1.length() > 0) {
if (addAnd) expr.append(" and ");
expr.append(searchRel1);
addAnd = true;
}
if (searchRel2.length() > 0) {
if (addAnd) expr.append(" and ");
expr.append(searchRel2);
addAnd = true;
}
if (searchObj1.length() > 0) {
if (addAnd) expr.append(" and ");
expr.append(searchObj1);
addAnd = true;
}
if (searchObj2.length() > 0) {
if (addAnd) expr.append(" and ");
expr.append(searchObj2);
addAnd = true;
}
if (searchObj3.length() > 0) {
if (addAnd) expr.append(" and ");
expr.append(searchObj3);
addAnd = true;
}
expr.append("]");
// old version:
Vector objects = new Vector();
objects.add(object1.getText());
objects.add(object2.getText());
objects.add(object3.getText());
objects.add(relation1.getText());
objects.add(relation2.getText());
if (inverse1.isSelected())
objects.add("inverse1");
else
objects.add("");
if (inverse2.isSelected())
objects.add("inverse2");
else
objects.add("");
parent.searchForImage(expr.toString(), objects, path.getText(), true);
}
private void updateGraph() {
visSearch.changeRelation(inverse1.isSelected(), inverse2.isSelected());
String lo1, lo2, lo3, lr1, lr2;
lo1 = object1.getText();
lo2 = object2.getText();
lo3 = object3.getText();
lr1 = relation1.getText();
lr2 = relation2.getText();
if (lo1.length() == 0) lo1 = "?";
if (lo2.length() == 0) lo2 = "?";
if (lo3.length() == 0) lo3 = "?";
if (lr1.length() == 0) lr1 = "?";
if (lr2.length() == 0) lr2 = "?";
visSearch.setLabels(lo1, lo2, lo3, lr1, lr2);
visSearch.repaint();
}
}