/******************************************************************************
* Copyright 2013-2016 LASIGE *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); you may *
* not use this file except in compliance with the License. You may obtain a *
* copy of the License at http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*******************************************************************************
* Alignment search dialog box for the GUI. *
* *
* @author Daniel Faria, Catarina Martins *
******************************************************************************/
package aml.ui;
import java.awt.CardLayout;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Set;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JDialog;
import javax.swing.KeyStroke;
import javax.swing.border.EmptyBorder;
import org.jdesktop.swingx.autocomplete.AutoCompleteDecorator;
import aml.AML;
import aml.match.Alignment;
import aml.match.Mapping;
import aml.util.MapSorter;
public class SearchAlignment extends JDialog implements ActionListener
{
//Attributes
private static final long serialVersionUID = -3901206021275961468L;
private AML aml;
private JPanel dialogPanel, searchPanel, resultsPanel;
private CardLayout cl;
private JButton cancel, find, back, select, quit;
private JTextArea searchField;
private JComboBox<String> mappingSelector;
private ArrayList<String> mappings;
private String[] results;
private Font boldFont;
//Constructor
public SearchAlignment()
{
super();
this.setTitle("Search Alignment");
this.setModalityType(Dialog.ModalityType.APPLICATION_MODAL);
this.setPreferredSize(new Dimension(700,140));
aml = AML.getInstance();
//The containing panel
dialogPanel = new JPanel();
cl = new CardLayout();
dialogPanel.setLayout(cl);
//The search panel
JLabel desc = new JLabel("Enter Search Term: (min 3 characters)");
Font font = desc.getFont();
boldFont = new Font(font.getFontName(), Font.BOLD, font.getSize());
desc.setFont(boldFont);
JPanel labelPanel = new JPanel();
labelPanel.add(desc);
Alignment a = AML.getInstance().getAlignment();
int total = a.size();
mappings = new ArrayList<String>(total);
for(int i = 0; i < total; i++)
{
Mapping m = a.get(i);
String map = aml.getSource().getName(m.getSourceId());
map += " = ";
map += aml.getTarget().getName(m.getTargetId());
mappings.add(map);
}
searchField = new JTextArea(1,60);
searchField.setEditable(true);
KeyStroke keyStroke = KeyStroke.getKeyStroke("ENTER");
Object actionKey = searchField.getInputMap(
JComponent.WHEN_FOCUSED).get(keyStroke);
searchField.getActionMap().put(actionKey, wrapper);
AutoCompleteDecorator.decorate(searchField,mappings,false);
JPanel selectionPanel = new JPanel();
selectionPanel.add(searchField);
cancel = new JButton("Cancel");
cancel.setPreferredSize(new Dimension(70,28));
cancel.addActionListener(this);
find = new JButton("Find");
find.setPreferredSize(new Dimension(70,28));
find.addActionListener(this);
JPanel buttonPanel = new JPanel();
buttonPanel.add(cancel);
buttonPanel.add(find);
searchPanel = new JPanel();
searchPanel.setLayout(new BoxLayout(searchPanel, BoxLayout.PAGE_AXIS));
searchPanel.add(labelPanel);
searchPanel.add(selectionPanel);
searchPanel.add(buttonPanel);
dialogPanel.add(searchPanel, "Search");
cl.show(dialogPanel, "Search");
this.add(dialogPanel);
this.pack();
GraphicsEnvironment g = GraphicsEnvironment.getLocalGraphicsEnvironment();
int left = g.getCenterPoint().x - (int)(this.getPreferredSize().width / 2);
this.setLocation(left, 0);
this.setVisible(true);
}
//Public Methods
@Override
public void actionPerformed(ActionEvent e)
{
Object o = e.getSource();
if(o == cancel || o == quit)
{
this.dispose();
}
else if(o == back)
{
cl.show(dialogPanel, "Search");
}
else if(o == select)
{
this.dispose();
aml.goTo(mappings.indexOf(results[mappingSelector.getSelectedIndex()]));
new ViewMapping();
}
else if(o == find)
{
find();
}
}
public void keyPressed(KeyEvent e)
{
int key = e.getKeyCode();
if(key == KeyEvent.VK_ENTER)
{
find();
}
}
//Private Methods
private void find()
{
//Get the entered text
String text = searchField.getText();
//Check that the user entered a valid input (at least 3 consecutive characters)
if(text.matches(".*[a-zA-Z0-9]{3,}.*"))
{
//If so, clean the input
text = text.toLowerCase().trim();
text = text.replaceAll("\t\n\f\r", " ");
//If the input is a listed mapping go there
int index = mappings.indexOf(text);
if(index > -1)
{
this.dispose();
aml.goTo(index);
new ViewMapping();
}
//Otherwise, search for it
else
{
search(text);
buildResultsPanel();
dialogPanel.add(resultsPanel, "Results");
cl.show(dialogPanel, "Results");
}
}
else
{
JOptionPane.showMessageDialog(this, "Invalid input!\n" +
"Please enter a word with at least three characters!",
"Error", JOptionPane.ERROR_MESSAGE);
}
}
private void search(String query)
{
HashMap<String,Double> hits = new HashMap<String,Double>();
for(String m : mappings)
{
if(m.contains(query))
hits.put(m, similarity(m,query));
}
Set<String> orderedHits = MapSorter.sortDescending(hits).keySet();
results = new String[hits.size()];
results = orderedHits.toArray(results);
}
private Double similarity(String mapping, String query)
{
return 1.0*query.length()/mapping.length();
}
private void buildResultsPanel()
{
if(results.length == 0)
{
JLabel desc = new JLabel("No Results Found!");
desc.setFont(boldFont);
JPanel labelPanel = new JPanel();
labelPanel.setBorder(new EmptyBorder(20,0,18,0));
labelPanel.add(desc);
back = new JButton("Back");
back.setPreferredSize(new Dimension(70,28));
back.addActionListener(this);
quit = new JButton("Quit");
quit.setPreferredSize(new Dimension(70,28));
quit.addActionListener(this);
JPanel buttonPanel = new JPanel();
buttonPanel.add(back);
buttonPanel.add(quit);
resultsPanel = new JPanel();
resultsPanel.setLayout(new BoxLayout(resultsPanel, BoxLayout.PAGE_AXIS));
resultsPanel.add(labelPanel);
resultsPanel.add(buttonPanel);
}
else
{
JLabel desc = new JLabel("Select a Mapping from the Search Results:");
desc.setFont(boldFont);
JPanel labelPanel = new JPanel();
labelPanel.add(desc);
mappingSelector = new JComboBox<String>(results);
mappingSelector.setPreferredSize(new Dimension(650,28));
mappingSelector.setSelectedIndex(0);
JPanel selectionPanel = new JPanel();
selectionPanel.add(mappingSelector);
back = new JButton("Back");
back.setPreferredSize(new Dimension(70,28));
back.addActionListener(this);
select = new JButton("Select");
select.setPreferredSize(new Dimension(70,28));
select.addActionListener(this);
JPanel buttonPanel = new JPanel();
buttonPanel.add(back);
buttonPanel.add(select);
resultsPanel = new JPanel();
resultsPanel.setLayout(new BoxLayout(resultsPanel, BoxLayout.PAGE_AXIS));
resultsPanel.add(labelPanel);
resultsPanel.add(selectionPanel);
resultsPanel.add(buttonPanel);
}
}
private Action wrapper = new AbstractAction()
{
private static final long serialVersionUID = 424525650588931780L;
@Override
public void actionPerformed(ActionEvent ae)
{
find.doClick();
}
};
}
