Java tutorial
/* * Copyright (c) 2008, SQL Power Group Inc. * * This file is part of DQguru * * DQguru 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 3 of the License, or * (at your option) any later version. * * DQguru 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, see <http://www.gnu.org/licenses/>. */ package ca.sqlpower.matchmaker.swingui.munge; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JCheckBox; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JSpinner; import javax.swing.JTextField; import javax.swing.SpinnerNumberModel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import ca.sqlpower.matchmaker.MatchMakerSession; import ca.sqlpower.matchmaker.munge.MungeStep; import ca.sqlpower.matchmaker.munge.SubstringByWordMungeStep; import ca.sqlpower.validation.swingui.FormValidationHandler; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; /** * This is the component for SubstringByWordMungeStep. It has a * JCheckBox for the USE_REGEX parameter and JTextFields for the * delimiters and resultDelimiters parameter. It also contain * two JSpinners for users to set the begin and end index. */ public class SubstringByWordMungeComponent extends AbstractMungeComponent { private JSpinner begin; private JSpinner end; private JCheckBox useRegex; private JCheckBox caseSensitive; private JTextField delimiter; private JTextField resultDelimiter; public SubstringByWordMungeComponent(MungeStep step, FormValidationHandler handler, MatchMakerSession session) { super(step, handler, session); } @Override protected JPanel buildUI() { SubstringByWordMungeStep step = (SubstringByWordMungeStep) getStep(); useRegex = new JCheckBox("Use Regular Expressions"); useRegex.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { SubstringByWordMungeStep step = (SubstringByWordMungeStep) getStep(); step.setRegex(useRegex.isSelected()); } }); useRegex.setSelected(step.isRegex()); caseSensitive = new JCheckBox("Case Sensitive"); caseSensitive.setSelected(step.isCaseSensitive()); caseSensitive.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { SubstringByWordMungeStep step = (SubstringByWordMungeStep) getStep(); step.setCaseSensitive(caseSensitive.isSelected()); } }); delimiter = new JTextField(step.getDelimiter()); delimiter.getDocument().addDocumentListener(new DocumentListener() { public void insertUpdate(DocumentEvent e) { doStuff(); } public void removeUpdate(DocumentEvent e) { doStuff(); } public void changedUpdate(DocumentEvent e) { doStuff(); } private void doStuff() { SubstringByWordMungeStep step = (SubstringByWordMungeStep) getStep(); step.setDelimiter(delimiter.getText()); } }); RegexValidator validator = new RegexValidator(); getHandler().addValidateObject(delimiter, useRegex, validator, true, ""); resultDelimiter = new JTextField(step.getResultDelim()); resultDelimiter.getDocument().addDocumentListener(new DocumentListener() { public void insertUpdate(DocumentEvent e) { doStuff(); } public void removeUpdate(DocumentEvent e) { doStuff(); } public void changedUpdate(DocumentEvent e) { doStuff(); } private void doStuff() { SubstringByWordMungeStep step = (SubstringByWordMungeStep) getStep(); step.setResultDelim(resultDelimiter.getText()); } }); int beginIndex = step.getBegIndex(); SpinnerNumberModel beginNumberModel = new SpinnerNumberModel(beginIndex, 0, Integer.MAX_VALUE, 1); begin = new JSpinner(beginNumberModel); begin.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent e) { SubstringByWordMungeStep step = (SubstringByWordMungeStep) getStep(); step.setBegIndex((Integer) begin.getValue()); } }); int endIndex = step.getEndIndex(); SpinnerNumberModel endNumberModel = new SpinnerNumberModel(endIndex, 0, Integer.MAX_VALUE, 1); end = new JSpinner(endNumberModel); end.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent e) { SubstringByWordMungeStep step = (SubstringByWordMungeStep) getStep(); step.setEndIndex((Integer) end.getValue()); } }); FormLayout layout = new FormLayout("4dlu,pref,4dlu,fill:pref:grow,4dlu", // columns "4dlu,pref,4dlu,pref,4dlu,pref,4dlu,pref,4dlu,pref,4dlu"); // rows CellConstraints cc = new CellConstraints(); JPanel content = new JPanel(layout); content.add(new JLabel("Begin Index:"), cc.xy(2, 2)); content.add(begin, cc.xy(4, 2)); content.add(new JLabel("End Index:"), cc.xy(2, 4)); content.add(end, cc.xy(4, 4)); content.add(new JLabel("Delimiter:"), cc.xy(2, 6)); content.add(delimiter, cc.xy(4, 6)); content.add(new JLabel("Result Delim:"), cc.xy(2, 8)); content.add(resultDelimiter, cc.xy(4, 8)); JPanel bottom = new JPanel(new GridLayout(2, 1)); bottom.add(useRegex); bottom.add(caseSensitive); content.add(bottom, cc.xyw(2, 10, 3, "c,f")); return content; } }