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Core library of the Free Evolutionary Algorithm Toolkit
/*
* @(#)LayoutDialog.java 1.0 01/20/03
*
* Copyright (C) 2003 Sven Luzar
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package org.jgraph.layout;
import org.jgraph.pad.resources.Translator;
import javax.swing.*;
import java.awt.*;
import java.util.Iterator;
/**
* This dialog is shown when the layout function is requested.
*
* It offers a list with available layouts to choose from.
*
*
* @author Sven Luzar
* @since 1.2.2
* @version 1.0 init
*/
public class LayoutDialog extends JDialog {
/** true if canceled
*/
private boolean canceled;
/**
* Creates new form LayoutDialog
*/
public LayoutDialog(Dialog parent) {
super(parent, true);
init();
}
/**
* Creates new form LayoutDialog
*/
public LayoutDialog(Frame parent) {
super(parent, true);
init();
}
/** initializes the dialog
*/
protected void init() {
// netbeans
initComponents();
// fill the list
fillList();
// select the first one
try {
lstLayoutControllers.setSelectedIndex(0);
} catch (Exception e) {
}
}
/** Fills the List with the LayoutControllers
* from the LayoutRegistry.
*
* @see LayoutRegistry
*/
protected void fillList() {
try {
DefaultListModel model = new DefaultListModel();
Iterator all = LayoutRegistry.registeredLayoutControllers();
while (all.hasNext()) {
LayoutController controller = (LayoutController) all.next();
model.addElement(controller);
}
lstLayoutControllers.setModel(model);
} catch (Exception e) {
e.printStackTrace();
}
}
/** Will call if the user cancels the dialog
*
*/
protected void cancel() {
canceled = true;
setVisible(false);
dispose();
}
/** Will call if the user finishs the dialog
*
*/
protected void finish() {
canceled = false;
setVisible(false);
dispose();
}
/**
* Returns true if the dialog has been canceled.
*/
public boolean isCanceled() {
return canceled;
}
/** Will call if the user clicks on the configuration button.
* if the layout controller is configurable the method
* calls the configure method at the controller.
*
* @see LayoutController#configure
*
*/
protected void configure() {
try {
LayoutController controller =
(LayoutController) lstLayoutControllers.getSelectedValue();
if (!controller.isConfigurable()) {
String message = Translator.getString("Error.ThisLayoutCannotBeConfigured"); /*#Finished: "This Layout cannot be configured."*/
JOptionPane.showMessageDialog(
this,
message,
null,
JOptionPane.INFORMATION_MESSAGE);
return;
}
controller.configure();
} catch (Exception e) {
e.printStackTrace();
}
}
/** Returns true
* if the user
* wants to apply the Algorithm for
* all nodes.
*/
public boolean isApplyLayoutToAll() {
return cmdAllNodes.isSelected();
}
/** Returns the selected
* LayoutController of null if
* no LayoutController was selected
*
*/
public LayoutController getSelectedLayoutController() {
try {
return (LayoutController) lstLayoutControllers.getSelectedValue();
} catch (Exception e) {
return null;
}
}
/** initializes the GUI
*
*/
protected void initComponents() { //GEN-BEGIN:initComponents
cmdGrpApplyTo = new ButtonGroup();
pnlMain = new JPanel();
pnlApplyTo = new JPanel();
lblApplyTo = new JLabel();
cmdAllNodes = new JRadioButton();
cmdSelectedNodes = new JRadioButton();
pnlButtons = new JPanel();
cmdConfigure = new JButton();
cmdCancel = new JButton();
cmdFinished = new JButton();
pnlLayoutControllers = new JPanel();
scrollLayoutControllers = new JScrollPane();
lstLayoutControllers = new JList();
setTitle(Translator.getString("Layout")); //#Changed
setName("Layout"); //#Frozen
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent evt) {
closeDialog(evt);
}
});
pnlMain.setLayout(new BorderLayout());
lblApplyTo.setText(Translator.getString("Apply to")); //#Changed
lblApplyTo.setName("ApplyTo"); //#Frozen
pnlApplyTo.add(lblApplyTo);
cmdAllNodes.setFont(new Font("Dialog", 0, 12));
cmdAllNodes.setText(Translator.getString("AllNodes")); //#Changed
cmdAllNodes.setName("AllNodes"); //#Frozen
cmdGrpApplyTo.add(cmdAllNodes);
pnlApplyTo.add(cmdAllNodes);
cmdSelectedNodes.setFont(new Font("Dialog", 0, 12));
cmdSelectedNodes.setSelected(true);
cmdSelectedNodes.setText(Translator.getString("SelectedNodes")); //#Changed
cmdSelectedNodes.setName("SelectedNodes"); //#Frozen
cmdGrpApplyTo.add(cmdSelectedNodes);
pnlApplyTo.add(cmdSelectedNodes);
pnlMain.add(pnlApplyTo, BorderLayout.NORTH);
cmdConfigure.setText(Translator.getString("Configure")); //#Changed
cmdConfigure.setName("Configure"); //#Frozen
cmdConfigure.setFocusPainted(false);
cmdConfigure.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
configureButtonActionPerformed(evt);
}
});
pnlButtons.add(cmdConfigure);
cmdFinished.setText(Translator.getString("OK")); //#Changed
cmdFinished.setName("OK"); //#Frozen
cmdFinished.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
finishedButtonActionPerformed(evt);
}
});
pnlButtons.add(cmdFinished);
getRootPane().setDefaultButton(cmdFinished);
cmdCancel.setText(Translator.getString("Cancel")); //#Changed
cmdCancel.setName("Cancel"); //#Frozen
cmdCancel.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
cancelButtonActionPerformed(evt);
}
});
pnlButtons.add(cmdCancel);
pnlMain.add(pnlButtons, BorderLayout.SOUTH);
getContentPane().add(pnlMain, BorderLayout.SOUTH);
pnlLayoutControllers.setLayout(new BorderLayout());
scrollLayoutControllers.setViewportView(lstLayoutControllers);
pnlLayoutControllers.add(scrollLayoutControllers, BorderLayout.CENTER);
getContentPane().add(pnlLayoutControllers, BorderLayout.CENTER);
pack();
Dimension screenSize =
Toolkit.getDefaultToolkit().getScreenSize();
//setSize(new java.awt.Dimension(302, 312));
pack();
setLocation(
(screenSize.width - this.getWidth()) / 2,
(screenSize.height - this.getHeight()) / 2);
} //GEN-END:initComponents
/** calls the configure method
* @see #configure
*/
protected void configureButtonActionPerformed(
java.awt.event.ActionEvent evt) {
//GEN-FIRST:event_configureButtonActionPerformed
configure();
} //GEN-LAST:event_configureButtonActionPerformed
/** calls the finish method
* @see #finish
*/
protected void finishedButtonActionPerformed(
java.awt.event.ActionEvent evt) {
//GEN-FIRST:event_finishedButtonActionPerformed
finish();
} //GEN-LAST:event_finishedButtonActionPerformed
/** calls the cancel method
* @see #cancel
*/
protected void cancelButtonActionPerformed(
java.awt.event.ActionEvent evt) {
//GEN-FIRST:event_cancelButtonActionPerformed
cancel();
} //GEN-LAST:event_cancelButtonActionPerformed
/** calls the cancel method
* @see #cancel
*/
protected void closeDialog(
java.awt.event.WindowEvent evt) { //GEN-FIRST:event_closeDialog
cancel();
} //GEN-LAST:event_closeDialog
// Variables declaration - do not modify//GEN-BEGIN:variables
/** GUI object */
private JPanel pnlApplyTo;
/** GUI object */
private JButton cmdConfigure;
/** GUI object */
private JPanel pnlLayoutControllers;
/** GUI object */
private JScrollPane scrollLayoutControllers;
/** GUI object */
private JRadioButton cmdSelectedNodes;
/** GUI object */
private ButtonGroup cmdGrpApplyTo;
/** GUI object */
private JRadioButton cmdAllNodes;
/** GUI object */
private JList lstLayoutControllers;
/** GUI object */
private JPanel pnlButtons;
/** GUI object */
private JButton cmdCancel;
/** GUI object */
private JPanel pnlMain;
/** GUI object */
private JLabel lblApplyTo;
/** GUI object */
private JButton cmdFinished;
// End of variables declaration//GEN-END:variables
/**
* TEST
*/
public static void main(String args[]) {
new LayoutDialog(new JFrame()).setVisible(true);
System.exit(0);
}
}
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