Java tutorial
/** * DSS - Digital Signature Services * Copyright (C) 2015 European Commission, provided under the CEF programme * * This file is part of the "DSS - Digital Signature Services" project. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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 */ package eu.europa.esig.dss.applet.util; import java.awt.Color; import java.awt.Component; import java.awt.Container; import java.awt.FlowLayout; import java.awt.LayoutManager; import java.awt.event.ActionListener; import java.util.ArrayList; import java.util.List; import javax.swing.BorderFactory; import javax.swing.ButtonModel; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JApplet; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.JScrollPane; import javax.swing.UIManager; import javax.swing.border.Border; import org.apache.commons.lang.StringUtils; import com.jgoodies.binding.adapter.BasicComponentFactory; import com.jgoodies.binding.adapter.RadioButtonAdapter; import com.jgoodies.binding.value.ValueModel; import com.jgoodies.forms.builder.PanelBuilder; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; /** * TODO */ public final class ComponentFactory extends BasicComponentFactory { private static final Color DEFAULT_BACKGROUND = Color.WHITE; private static final Color DEFAULT_HIGHLIGHT = new Color(0x99, 0xCC, 0xFF); private static final Icon ICON_BACK; private static final Icon ICON_NEXT; private static final Icon ICON_WAIT; private static final Icon ICON_REFRESH; private static final Icon ICON_CANCEL; private static final Icon ICON_FILE; private static final Icon ICON_SUCCESS; static { ICON_NEXT = new ImageIcon( ResourceUtils.class.getResource("/eu/europa/esig/dss/applet/wizard/arrow_right.png")); ICON_BACK = new ImageIcon( ResourceUtils.class.getResource("/eu/europa/esig/dss/applet/wizard/arrow_left.png")); ICON_CANCEL = new ImageIcon( ResourceUtils.class.getResource("/eu/europa/esig/dss/applet/wizard/cancel.png")); ICON_WAIT = new ImageIcon(ResourceUtils.class.getResource("/eu/europa/esig/dss/applet/wizard/wait.png")); ICON_REFRESH = new ImageIcon( ResourceUtils.class.getResource("/eu/europa/esig/dss/applet/wizard/refresh.png")); ICON_FILE = UIManager.getIcon("FileView.fileIcon"); ICON_SUCCESS = new ImageIcon( ResourceUtils.class.getResource("/eu/europa/esig/dss/applet/wizard/big_ok.png")); } /** * @param components * @return */ public static JPanel actionPanel(final JComponent... components) { final JPanel panel = ComponentFactory.createPanel(); panel.setBorder(BorderFactory.createMatteBorder(1, 0, 0, 0, Color.GRAY)); for (final JComponent component : components) { panel.add(component); } return panel; } /** * @param panel * @param components */ public static void addToPanel(final JPanel panel, final JComponent... components) { for (final JComponent component : components) { panel.add(component); } } /** * @param enabled * @param actionListener * @return */ public static JButton createBackButton(final boolean enabled, final ActionListener actionListener) { return ComponentFactory.createButton(ResourceUtils.getI18n("BACK"), enabled, actionListener, ICON_BACK); } /** * @param layout * @return */ public static PanelBuilder createBuilder(final FormLayout layout) { // return new PanelBuilder(layout, new FormDebugPanel()); return new PanelBuilder(layout); } /** * @param layout * @param panel * @return */ public static PanelBuilder createBuilder(final FormLayout layout, final JPanel panel) { return new PanelBuilder(layout, panel); } public static PanelBuilder createBuilder(final String[] columnSpecs, final String[] rowSpecs) { return createBuilder(new FormLayout(StringUtils.join(columnSpecs, ","), StringUtils.join(rowSpecs, ","))); } /** * @param label * @param actionListener * @param enabled * @return */ public static JButton createButton(final String label, final boolean enabled, final ActionListener actionListener) { final JButton button = new JButton(label); button.setEnabled(enabled); button.addActionListener(actionListener); return button; } /** * @param label * @param enabled * @param actionListener * @param icon * @return */ public static JButton createButton(final String label, final boolean enabled, final ActionListener actionListener, final Icon icon) { final JButton button = createButton(label, enabled, actionListener); button.setIcon(icon); return button; } /** * @param enabled * @param actionListener * @return */ public static JButton createCancelButton(final boolean enabled, final ActionListener actionListener) { return ComponentFactory.createButton(ResourceUtils.getI18n("CANCEL"), enabled, actionListener, ICON_CANCEL); } /** * @param label * @param enabled * @param actionListener * @return */ public static JButton createFileChooser(final String label, final boolean enabled, final ActionListener actionListener) { return ComponentFactory.createButton(label, enabled, actionListener, ICON_FILE); } /** * @param text * @return */ public static JLabel createLabel(final String text) { return new JLabel(text); } /** * @param text * @param icon * @return */ public static JLabel createLabel(final String text, final Icon icon) { final JLabel label = new JLabel(text); label.setIcon(icon); return label; } /** * @param enabled * @param actionListener * @return */ public static JButton createNextButton(final boolean enabled, final ActionListener actionListener) { return ComponentFactory.createButton(ResourceUtils.getI18n("NEXT"), enabled, actionListener, ICON_NEXT); } /** * @return */ public static JPanel createPanel() { return createPanel(DEFAULT_BACKGROUND); } /** * @param bgColor * @return */ public static JPanel createPanel(final Color bgColor) { return createPanel(new FlowLayout(), bgColor); } /** * @param components * @return */ public static JPanel createPanel(final JComponent... components) { final JPanel panel = createPanel(); addToPanel(panel, components); return panel; } /** * @param layout * @return */ public static JPanel createPanel(final LayoutManager layout) { return createPanel(layout, DEFAULT_BACKGROUND); } /** * @param layout * @param bgColor * @return */ public static JPanel createPanel(final LayoutManager layout, final Color bgColor) { final JPanel panel = new JPanel(layout); panel.setOpaque(true); panel.setBackground(bgColor); return panel; } /** * @param builder * @return */ public static JPanel createPanel(final PanelBuilder builder) { final JPanel panel = builder.build(); panel.setOpaque(true); panel.setBackground(DEFAULT_BACKGROUND); return panel; } /** * @param text * @param valueModel * @param value * @return */ public static JRadioButton createRadioButton(final String text, final ValueModel valueModel, final Object value) { final JRadioButton button = new JRadioButton(text); final ButtonModel model = new RadioButtonAdapter(valueModel, value); button.setModel(model); return button; } /** * @param enabled * @param actionListener * @return */ public static JButton createRefreshButton(final boolean enabled, final ActionListener actionListener) { return ComponentFactory.createButton(ResourceUtils.getI18n("REFRESH"), enabled, actionListener, ICON_REFRESH); } /** * @param component * @return */ public static JScrollPane createScrollPane(final Component component) { final JScrollPane pane = new JScrollPane(); pane.setViewportView(component); return pane; } /** * @param currentStep * @param maxStep * @return */ public static JPanel createWizardStepPanel(final int currentStep, final int maxStep) { final List<String> colSpecs = new ArrayList<String>(); for (int i = 1; i <= maxStep; i++) { colSpecs.add("default:grow"); } final FormLayout layout = new FormLayout(StringUtils.join(colSpecs, ","), "pref"); final PanelBuilder builder = ComponentFactory.createBuilder(layout); final CellConstraints cc = new CellConstraints(); for (int i = 1; i <= maxStep; i++) { final JPanel subPanel = ComponentFactory .createPanel(i == currentStep ? DEFAULT_HIGHLIGHT : DEFAULT_BACKGROUND); subPanel.add(ComponentFactory.createLabel(String.valueOf(i))); final Border border = (i != maxStep) ? BorderFactory.createMatteBorder(0, 1, 0, 0, Color.GRAY) : BorderFactory.createMatteBorder(0, 1, 0, 1, Color.GRAY); subPanel.setBorder(border); builder.add(subPanel, cc.xy(i, 1)); } final JPanel panel = ComponentFactory.createPanel(builder); panel.setBorder(BorderFactory.createMatteBorder(1, 0, 1, 0, Color.GRAY)); return panel; } /** * @return */ public static Icon iconSuccess() { return ICON_SUCCESS; } public static Icon iconWait() { return ICON_WAIT; } /** * @param applet * @param container */ public static void updateDisplay(final JApplet applet, final Container container) { if (container != null) { final PanelBuilder builder = createBuilder(new String[] { "5dlu", "fill:default:grow", "5dlu" }, new String[] { "5dlu", "fill:default:grow", "5dlu" }); final CellConstraints cc = new CellConstraints(); builder.add(container, cc.xy(2, 2)); final JPanel panel = createPanel(builder); panel.setBorder(BorderFactory.createMatteBorder(1, 1, 1, 1, Color.GRAY)); applet.getContentPane().removeAll(); applet.getContentPane().add(panel); applet.getContentPane().validate(); applet.getContentPane().repaint(); } } private ComponentFactory() { } }