Java tutorial
package tango.parameter; import java.awt.*; import java.util.*; import java.io.*; import javax.swing.*; import java.text.*; import com.mongodb.DBObject; import com.mongodb.BasicDBObject; import ij.gui.GenericDialog; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import mcib3d.utils.exceptionPrinter; /** * ** * /** * Copyright (C) 2012 Jean Ollion * * * * This file is part of tango * * tango 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. * * 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, see <http://www.gnu.org/licenses/>. * * @author Jean Ollion */ public abstract class NumberParameter extends Parameter { protected JFormattedTextField number; protected NumberFormat nf; public NumberParameter(String label, String id, Double value, NumberFormat nf) { super(label, id); this.number = new JFormattedTextField(nf); number.setPreferredSize(new Dimension(100, 20)); number.setMinimumSize(new Dimension(80, 20)); number.setMaximumSize(new Dimension(120, 20)); this.box.add(this.number); this.nf = nf; if (value != null) { number.setValue(value); } setColor(); addColorListener(); } protected NumberParameter(String label, String id, NumberFormat nf) { super(label, id); this.number = new JFormattedTextField(nf); number.setPreferredSize(new Dimension(100, 20)); number.setMinimumSize(new Dimension(80, 20)); number.setMaximumSize(new Dimension(120, 20)); this.box.add(this.number); this.nf = nf; addColorListener(); } protected void addColorListener() { number.getDocument().addDocumentListener(new DocumentListener() { @Override public void changedUpdate(DocumentEvent documentEvent) { setColor(); } @Override public void insertUpdate(DocumentEvent e) { setColor(); } @Override public void removeUpdate(DocumentEvent e) { setColor(); } }); } @Override public void dbPut(DBObject DBO) { if (getValue() != null) { DBO.put(id, getValue()); } } @Override public void dbGet(BasicDBObject DBO) { if (DBO.containsField(id)) { setValue(DBO.get(id)); } setColor(); } public void setValue(Object value) { number.setValue(value); setColor(); } public Number getValue() { try { number.commitEdit(); } catch (Exception e) { //exceptionPrinter.print(e, ""); return null; } Object val = number.getValue(); if (val != null) { return (Number) val; } else { return null; } } /* * public float getFloatValue() { * * Object value = getValue(); if (value instanceof Long) { return ((Long) * value).floatValue(); } else if (value instanceof Double) { return * ((Double) number.getValue()).floatValue(); } else if (value instanceof * Integer) { return ((Integer) number.getValue()).floatValue(); } else { * return (Float) number.getValue(); } } * * public int getIntValue() { Object value = getValue(); if (value * instanceof Long) { return ((Long) value).intValue(); } else if (value * instanceof Double) { return ((Double) number.getValue()).intValue(); } * else if (value instanceof Float) { return ((Float) * number.getValue()).intValue(); } else { return (Integer) * number.getValue(); } } * */ public int getNbDecimal() { return nf.getMinimumFractionDigits(); } @Override public void addToGenericDialog(GenericDialog gd) { Number n = this.getValue(); float def = n != null ? n.floatValue() : 0; gd.addNumericField(this.getLabel(), def, this.getNbDecimal()); } @Override public boolean isValid() { if (!this.compulsary) return true; return getValue() != null; } }