Java tutorial
/* * Copyright (C) 2010, Emergya (http://www.emergya.es) * * @author <a href="mailto:jlrodriguez@emergya.es">Juan Lus Rodrguez</a> * @author <a href="mailto:marias@emergya.es">Mara Arias</a> * * This file is part of GoFleet * * This software 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. * * This software 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * As a special exception, if you link this library with other files to * produce an executable, this library does not by itself cause the * resulting executable to be covered by the GNU General Public License. * This exception does not however invalidate any other reasons why the * executable file might be covered by the GNU General Public License. */ package es.emergya.ui.plugins.forms; import java.awt.Color; import java.awt.Component; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Date; import java.util.LinkedList; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSpinner; import javax.swing.JTextField; import javax.swing.SpinnerDateModel; import javax.swing.SpringLayout; import org.apache.commons.logging.LogFactory; import org.freixas.jcalendar.JCalendarCombo; import org.gofleet.context.GoWired; import org.gofleet.internacionalization.I18n; import es.emergya.cliente.constants.LogicConstants; import es.emergya.ui.SpringUtilities; import es.emergya.ui.base.plugins.Option; import es.emergya.ui.base.plugins.PluginType; public abstract class FormGeneric extends Option { private static final int yPad = 18; private static final int xPad = 6; private static final int initialY = 6; private static final int initialX = 6; private static final long serialVersionUID = -5899890654927038356L; protected int rows = 0; protected int cols = 2; protected JPanel mid; protected static final org.apache.commons.logging.Log log = LogFactory.getLog(FormGeneric.class); private JPanel buttons; protected JPanel title; protected LinkedList<Component> componentes = new LinkedList<Component>(); @GoWired public I18n i18n; /** * @return the i18n */ public I18n getI18n() { return i18n; } /** * @param i18n * the i18n to set */ public void setI18n(I18n i18n) { this.i18n = i18n; } public FormGeneric(String title, int order) { super("", PluginType.getType("FORMS"), order, null); setTitle(i18n.getString(title)); generatePanel(); } /** * Use to add the fields and labels to the form. */ protected abstract void initializeFields(); /** * Use to add "do" to the "ok" action */ protected abstract void doAction(); public void generatePanel() { setLayout(new BoxLayout(this, BoxLayout.Y_AXIS)); setBackground(Color.WHITE); generateTitle(); add(title); generateMiddle(); add(mid); generateButtons(); add(buttons); } protected void generateTitle() { title = new JPanel(new FlowLayout(FlowLayout.LEADING)); final JLabel labelTitle = new JLabel(this.getTitle(), this.getIcon(), JLabel.LEFT); labelTitle.setFont(LogicConstants.deriveBoldFont(12f)); title.setBackground(Color.WHITE); title.add(labelTitle); } protected void generateMiddle() { mid = new JPanel(new SpringLayout()); mid.setBackground(Color.WHITE); initializeFields(); SpringUtilities.makeCompactGrid(mid, rows, cols, initialX, initialY, xPad, yPad); } protected void generateButtons() { buttons = new JPanel(); buttons.setBackground(Color.WHITE); JButton accept = new JButton(i18n.getString("Buttons.ok"), LogicConstants.getIcon("button_accept")); accept.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { FormGeneric.this.doAction(); FormGeneric.this.reboot(); } }); JButton cancel = new JButton(i18n.getString("Buttons.cancel"), LogicConstants.getIcon("button_cancel")); cancel.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { FormGeneric.this.reboot(); } }); buttons.add(accept); buttons.add(cancel); } protected void addJoinedRow(String[][] pairs, Integer[] colsLength) { if (pairs == null || pairs.length == 0 || pairs.length != colsLength.length) return; rows++; int contador = 0; for (int i : colsLength) contador += i; final FlowLayout flowLayout = new FlowLayout(); JPanel panel = new JPanel(flowLayout); panel.setOpaque(false); JTextField jtextField = new JTextField(pairs[0][1]); jtextField.setEditable(true); jtextField.setColumns(colsLength[0]); panel.add(jtextField); mid.add(new JLabel(i18n.getString(pairs[0][0]), JLabel.RIGHT)); for (int i = 1; i < pairs.length; i++) { String[] pair = pairs[i]; if (pair.length != 2) log.error("Par desconocido"); else { panel.add(new JLabel(i18n.getString(pair[0]), JLabel.RIGHT)); jtextField = new JTextField(pair[1]); jtextField.setEditable(true); panel.add(jtextField); jtextField.setColumns(colsLength[i]); } } if (contador < 100) for (int i = contador; i < 100; i += 5) panel.add(new JLabel(" ")); mid.add(panel); for (int i = 2; i < cols; i++) mid.add(Box.createHorizontalGlue()); } protected void addRow(String[][] pairs) { rows++; if (pairs.length > cols) log.error("Se va a descuadrar"); int columnas = 0; for (String[] pair : pairs) { if (pair.length != 2) log.error("Par desconocido"); else { columnas += 2; mid.add(new JLabel(i18n.getString(pair[0]), JLabel.RIGHT)); JTextField jtextField = new JTextField(pair[1]); jtextField.setEditable(true); mid.add(jtextField); } } while (columnas < cols) { mid.add(Box.createHorizontalGlue()); columnas++; } } protected void addString(String texto, String label) { rows++; mid.add(new JLabel(i18n.getString(label), JLabel.RIGHT)); JTextField jtextField = new JTextField(texto); jtextField.setName(label); jtextField.setEditable(true); componentes.add(jtextField); mid.add(jtextField); for (int i = 2; i < cols; i++) mid.add(Box.createHorizontalGlue()); } protected void addString_Fixed(String texto, String label) { rows++; mid.add(new JLabel(i18n.getString(label), JLabel.RIGHT)); JTextField jtextField = new JTextField(texto); jtextField.setEditable(false); mid.add(jtextField); for (int i = 2; i < cols; i++) mid.add(Box.createHorizontalGlue()); } protected void addComboBox(Object selected, Object[] options, String title) { rows++; mid.add(new JLabel(i18n.getString(title), JLabel.RIGHT)); JComboBox cb = new JComboBox(options); cb.setSelectedItem(selected); cb.setName(title); componentes.add(cb); mid.add(cb); for (int i = 2; i < cols; i++) mid.add(Box.createHorizontalGlue()); } protected void addDate(Date fecha, String title, boolean editable) { rows++; // TODO editable mid.add(new JLabel(i18n.getString(title), JLabel.RIGHT)); JPanel panel = new JPanel(); panel.setOpaque(false); JCalendarCombo calendar = new JCalendarCombo(); calendar.setName(title); calendar.setEditable(editable); calendar.setPreferredSize(new Dimension(300, 30)); calendar.setDate(fecha); panel.add(calendar); componentes.add(calendar); JSpinner res = new JSpinner(new SpinnerDateModel()); res.setName(title); res.setPreferredSize(new Dimension(60, 30)); res.setName(title); JSpinner.DateEditor startEditor = new JSpinner.DateEditor(res, "HH:mm:ss"); startEditor.setEnabled(editable); res.setEditor(startEditor); if (fecha != null) res.setValue(fecha); componentes.add(res); panel.add(res); mid.add(panel); for (int i = 3; i < cols; i++) mid.add(Box.createHorizontalGlue()); } protected void addList(Object[] lista, String label) { rows++; mid.add(new JLabel(i18n.getString(label), JLabel.RIGHT)); if (lista != null) { JList jlist = new JList(lista); final JScrollPane jScrollPane = new JScrollPane(jlist); jScrollPane.getViewport().setPreferredSize(new Dimension(100, 100)); mid.add(jScrollPane); } for (int i = 2; i < cols; i++) mid.add(Box.createHorizontalGlue()); } @Override public void reboot() { this.rows = 0; this.componentes.clear(); this.remove(mid); this.remove(buttons); this.generateMiddle(); this.add(mid); this.add(buttons); this.validate(); } }