Java tutorial
/** Jake Written and maintained by Matthias Pueski Copyright (c) 2009 Matthias Pueski This program 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 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, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package org.pmedv.core.dialogs; import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import javax.swing.BorderFactory; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JRootPane; import javax.swing.KeyStroke; import org.pmedv.core.beans.BeanDirectory; import org.pmedv.core.components.GradientPanel; import org.pmedv.core.context.AppContext; import org.pmedv.core.gui.ApplicationWindow; import org.pmedv.core.services.ResourceService; import org.springframework.context.ApplicationContext; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; /** * <p> * This is an abstract base class for a nice Dialog, with a title, a subtitle, an icon * and a nice gradient header. Optionally any combination of the three buttons "New","ok" and "cancel" * can be turned on.Implementors must implement <code>initializeComponents</code> * in order to provide the dialog contents. * </p> * Additionally an user object of any class can be provided. The object should be modified * through this dialog by the user. Once the user has finished editing, the user object should be set. * </p> * <p> * Implementors should also provide ActionListeners for the according buttons. * <p> * @author Matthias Pueski * */ public abstract class AbstractNiceDialog extends JDialog { private static final long serialVersionUID = -7552896221455776854L; protected static final ApplicationContext ctx = AppContext.getApplicationContext(); protected static final ResourceService resources = (ResourceService) ctx .getBean(BeanDirectory.SERVICE_RESOURCE); protected static final ApplicationWindow win = (ApplicationWindow) ctx .getBean(BeanDirectory.WINDOW_APPLICATION); private JButton newButton; private JButton okButton; private JButton cancelButton; private JPanel contentPanel; private JPanel buttonPanel; protected int result; public static final int OPTION_CANCEL = 0; public static final int OPTION_OK = 1; public int actionResult = 0; private Icon newIcon; private Icon okIcon; private Icon cancelIcon; private Object userObject; public AbstractNiceDialog(String title, String subTitle, ImageIcon icon, boolean modal) { this(title, subTitle, icon, true, false, true, true); newIcon = resources.getIcon("icon.newdocument"); okIcon = resources.getIcon("icon.apply"); cancelIcon = resources.getIcon("icon.cancel"); getRootPane().setDefaultButton(okButton); } public AbstractNiceDialog(String title, String subTitle, ImageIcon icon, boolean modal, boolean showNewButton, boolean showOkButton, boolean showCancelButton) { setTitle(title); newIcon = resources.getIcon("icon.newdocument"); okIcon = resources.getIcon("icon.apply"); cancelIcon = resources.getIcon("icon.cancel"); contentPanel = new JPanel(new BorderLayout()); contentPanel.add(createHeader(title, subTitle, icon), BorderLayout.NORTH); contentPanel.add(createButtonBar(showNewButton, showOkButton, showCancelButton), BorderLayout.SOUTH); add(contentPanel); initializeComponents(); centerAndAdjustSize(); setModal(modal); getRootPane().setDefaultButton(okButton); } public AbstractNiceDialog(String title, String subTitle, ImageIcon icon, boolean modal, boolean showNewButton, boolean showOkButton, boolean showCancelButton, JFrame frame, Object object) { super(frame); setTitle(title); newIcon = resources.getIcon("icon.newdocument"); okIcon = resources.getIcon("icon.apply"); cancelIcon = resources.getIcon("icon.cancel"); contentPanel = new JPanel(new BorderLayout()); contentPanel.add(createHeader(title, subTitle, icon), BorderLayout.NORTH); contentPanel.add(createButtonBar(showNewButton, showOkButton, showCancelButton), BorderLayout.SOUTH); add(contentPanel); this.userObject = object; initializeComponents(); centerAndAdjustSize(); setModal(modal); getRootPane().setDefaultButton(okButton); } /** * This is the main init method of the Dialog, place your components inside here. */ protected abstract void initializeComponents(); private JPanel createHeader(String title, String subTitle, ImageIcon icon) { int headerHeight = 50; FormLayout formLayout = new FormLayout("8dlu, 10dlu, fill:pref:grow, 7dlu, pref, 7dlu", "4dlu, 13dlu,max(" + (headerHeight - 17) + "dlu;default),default"); // GradientPanel header = new GradientPanel(formLayout,Color.WHITE,Color.LIGHT_GRAY); Color blue = new Color(153, 204, 255); GradientPanel header = new GradientPanel(formLayout, Color.WHITE, blue); header.setBorder(BorderFactory.createLineBorder(Color.LIGHT_GRAY)); header.setBackground(Color.white); JLabel titleLabel = new JLabel(title); JLabel subTitleLabel = new JLabel(subTitle); JLabel iconLabel = (icon == null ? new JLabel() : new JLabel(icon)); titleLabel.setForeground(Color.black); subTitleLabel.setForeground(Color.black); titleLabel.setFont(new Font("Arial", Font.BOLD, 15)); subTitleLabel.setFont(new Font("Arial", Font.PLAIN, 12)); CellConstraints cc = new CellConstraints(); header.add(titleLabel, cc.xywh(2, 2, 2, 1)); header.add(subTitleLabel, cc.xywh(2, 3, 2, 1)); header.add(iconLabel, cc.xywh(5, 1, 1, 3, "right,center")); return (header); } /** * Creates the button bar for this dialog. * * @param showNewButton * @param showOkButton * @param showCancelButton * * @return the button bar */ private JPanel createButtonBar(boolean showNewButton, boolean showOkButton, boolean showCancelButton) { buttonPanel = new JPanel(new FlowLayout()); if (showNewButton) { newButton = new JButton("New"); newButton.setIcon(newIcon); buttonPanel.add(newButton); } if (showOkButton) { okButton = new JButton("Ok"); okButton.setIcon(okIcon); buttonPanel.add(okButton); } if (showCancelButton) { cancelButton = new JButton("Cancel"); cancelButton.setIcon(cancelIcon); buttonPanel.add(cancelButton); } return buttonPanel; } private void centerAndAdjustSize() { setLocationRelativeTo(getRootPane()); } /* (non-Javadoc) * @see javax.swing.JDialog#createRootPane() */ protected JRootPane createRootPane() { ActionListener actionListener = new ActionListener() { public void actionPerformed(ActionEvent actionEvent) { result = OPTION_CANCEL; setVisible(false); } }; JRootPane rootPane = new JRootPane(); KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0); rootPane.registerKeyboardAction(actionListener, stroke, JComponent.WHEN_IN_FOCUSED_WINDOW); return rootPane; } public JPanel getContentPanel() { return contentPanel; } public JButton getCancelButton() { return cancelButton; } public JButton getOkButton() { return okButton; } public JButton getNewButton() { return newButton; } /** * @return the result */ public int getResult() { return result; } /** * @return the userObject */ public Object getUserObject() { return userObject; } /** * @param userObject the userObject to set */ public void setUserObject(Object userObject) { this.userObject = userObject; } }