Package org.gephi.desktop.io.export.api

Source Code of org.gephi.desktop.io.export.api.TopDialog

/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org

This file is part of Gephi.

DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

Copyright 2011 Gephi Consortium. All rights reserved.

The contents of this file are subject to the terms of either the GNU
General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License.  When distributing the software, include this License Header
Notice in each file and include the License files at
/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
License Header, with the fields enclosed by brackets [] replaced by
your own identifying information:
"Portions Copyrighted [year] [name of copyright owner]"

If you wish your version of this file to be governed by only the CDDL
or only the GPL Version 3, indicate your decision by adding
"[Contributor] elects to include this software in this distribution
under the [CDDL or GPL Version 3] license." If you do not indicate a
single choice of license, a recipient has the option to distribute
your version of this file under either the CDDL, the GPL Version 3 or
to extend the choice of license to its licensees as provided above.
However, if you add GPL Version 3 code and therefore, elected the GPL
Version 3 license, then the option applies only if the new code is
made subject to such option by the copyright holder.

Contributor(s):

Portions Copyrighted 2011 Gephi Consortium.
*/

package org.gephi.desktop.io.export.api;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import javax.swing.AbstractAction;
import javax.swing.AbstractButton;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.KeyStroke;
import javax.swing.UIManager;
import javax.swing.WindowConstants;
import org.openide.NotificationLineSupport;
import org.openide.NotifyDescriptor;
import org.openide.WizardDescriptor;
import org.openide.util.ImageUtilities;
import org.openide.util.Utilities;

/**
*
* @author mbastian
*/
class TopDialog extends JDialog {

    final NotifyDescriptor nd;
    private Component messageComponent;
    private final JPanel buttonPanel;
    private final Object[] closingOptions;
    private final ActionListener buttonListener;
    private boolean haveFinalValue = false;
    private Color nbErrorForeground;
    private Color nbWarningForeground;
    private Color nbInfoForeground;
    private JLabel notificationLine;
    private static final int MSG_TYPE_ERROR = 1;
    private static final int MSG_TYPE_WARNING = 2;
    private static final int MSG_TYPE_INFO = 3;

    protected TopDialog(JDialog parent,
            String title, boolean modal, NotifyDescriptor nd, Object[] closingOptions, ActionListener buttonListener) {
        super(parent, title, modal);
        this.nd = nd;
        this.closingOptions = closingOptions;
        this.buttonListener = buttonListener;
        getContentPane().setLayout(new BorderLayout());
        setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        updateMessage();
        buttonPanel = new JPanel();
        buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
        updateOptions();
        getContentPane().add(buttonPanel, BorderLayout.SOUTH, 1);

        KeyStroke k = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
        Object actionKey = "cancel"; // NOI18N
        getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(k, actionKey);

        Action cancelAction = new AbstractAction() {

            public void actionPerformed(ActionEvent ev) {
                cancel();
            }
        };

        getRootPane().getActionMap().put(actionKey, cancelAction);
        addWindowListener(
                new WindowAdapter() {

                    public void windowClosing(WindowEvent ev) {
                        if (!haveFinalValue) {
                            TopDialog.this.nd.setValue(NotifyDescriptor.CLOSED_OPTION);
                        }
                    }
                });
        pack();

        Rectangle r = Utilities.getUsableScreenBounds();
        int maxW = (r.width * 9) / 10;
        int maxH = (r.height * 9) / 10;
        Dimension d = getPreferredSize();
        d.width = Math.min(d.width, maxW);
        d.height = Math.min(d.height, maxH);
        setBounds(Utilities.findCenterBounds(d));
    }

    private void cancel() {
        nd.setValue(NotifyDescriptor.CANCEL_OPTION);
        haveFinalValue = true;
        dispose();
    }

    public void updateMessage() {
        if (messageComponent != null) {
            getContentPane().remove(messageComponent);
        }

        //System.err.println("updateMessage: " + nd.getMessage());
        messageComponent = message2Component(nd.getMessage());
        if (!(nd instanceof WizardDescriptor) && nd.getNotificationLineSupport() != null) {
            JComponent toAdd = new JPanel(new BorderLayout());
            toAdd.add(messageComponent, BorderLayout.CENTER);

            nbErrorForeground = UIManager.getColor("nb.errorForeground"); //NOI18N
            if (nbErrorForeground == null) {
                //nbErrorForeground = new Color(89, 79, 191); // RGB suggested by Bruce in #28466
                nbErrorForeground = new Color(255, 0, 0); // RGB suggested by jdinga in #65358
            }

            nbWarningForeground = UIManager.getColor("nb.warningForeground"); //NOI18N
            if (nbWarningForeground == null) {
                nbWarningForeground = new Color(51, 51, 51); // Label.foreground
            }

            nbInfoForeground = UIManager.getColor("nb.warningForeground"); //NOI18N
            if (nbInfoForeground == null) {
                nbInfoForeground = UIManager.getColor("Label.foreground"); //NOI18N
            }

            notificationLine = new FixedHeightLabel();
            NotificationLineSupport nls = nd.getNotificationLineSupport();
            if (nls.getInformationMessage() != null) {
                updateNotificationLine(this, MSG_TYPE_INFO, nls.getInformationMessage());
            } else if (nls.getWarningMessage() != null) {
                updateNotificationLine(this, MSG_TYPE_WARNING, nls.getWarningMessage());
            } else if (nls.getErrorMessage() != null) {
                updateNotificationLine(this, MSG_TYPE_ERROR, nls.getErrorMessage());
            }
            toAdd.add(notificationLine, BorderLayout.SOUTH);
            messageComponent = toAdd;
        }
        getContentPane().add(messageComponent, BorderLayout.CENTER);
    }

    public void updateOptions() {
        Set<Object> addedOptions = new HashSet<Object>(5);
        Object[] options = nd.getOptions();

        if (options == null) {
            switch (nd.getOptionType()) {
                case NotifyDescriptor.DEFAULT_OPTION:
                case NotifyDescriptor.OK_CANCEL_OPTION:
                    options = new Object[]{NotifyDescriptor.OK_OPTION, NotifyDescriptor.CANCEL_OPTION,};

                    break;

                case NotifyDescriptor.YES_NO_OPTION:
                    options = new Object[]{NotifyDescriptor.YES_OPTION, NotifyDescriptor.NO_OPTION,};

                    break;

                case NotifyDescriptor.YES_NO_CANCEL_OPTION:
                    options = new Object[]{
                                NotifyDescriptor.YES_OPTION, NotifyDescriptor.NO_OPTION, NotifyDescriptor.CANCEL_OPTION,};

                    break;

                default:
                    throw new IllegalArgumentException();
            }
        }

        //System.err.println("prep: " + Arrays.asList(options) + " " + Arrays.asList(closingOptions) + " " + buttonListener);
        buttonPanel.removeAll();

        JRootPane rp = getRootPane();

        for (int i = 0; i < options.length; i++) {
            addedOptions.add(options[i]);
            buttonPanel.add(option2Button(options[i], nd, makeListener(options[i]), rp));
        }

        options = nd.getAdditionalOptions();

        if (options != null) {
            for (int i = 0; i < options.length; i++) {
                addedOptions.add(options[i]);
                buttonPanel.add(option2Button(options[i], nd, makeListener(options[i]), rp));
            }
        }

        if (closingOptions != null) {
            for (int i = 0; i < closingOptions.length; i++) {
                if (addedOptions.add(closingOptions[i])) {
                    ActionListener l = makeListener(closingOptions[i]);
                    attachActionListener(closingOptions[i], l);
                }
            }
        }
    }

    private void attachActionListener(Object comp, ActionListener l) {
        // on JButtons attach simply by method call
        if (comp instanceof JButton) {
            JButton b = (JButton) comp;
            b.addActionListener(l);

            return;
        } else {
            // we will have to use dynamic method invocation to add the action listener
            // to generic component (and we succeed only if it has the addActionListener method)
            java.lang.reflect.Method m;

            try {
                m = comp.getClass().getMethod("addActionListener", new Class[]{ActionListener.class}); // NOI18N

                try {
                    m.setAccessible(true);
                } catch (SecurityException se) {
                    m = null; // no jo, we cannot make accessible
                }
            } catch (NoSuchMethodException e) {
                m = null; // no jo, we cannot attach ActionListener to this Component
            } catch (SecurityException e2) {
                m = null; // no jo, we cannot attach ActionListener to this Component
            }

            if (m != null) {
                try {
                    m.invoke(comp, new Object[]{l});
                } catch (Exception e) {
                    // not succeeded, so give up
                }
            }
        }
    }

    private ActionListener makeListener(final Object option) {
        return new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                //System.err.println("actionPerformed: " + option);
                nd.setValue(option);

                if (buttonListener != null) {
                    // #34485: some listeners expect that the action source is the option, not the button
                    ActionEvent e2 = new ActionEvent(
                            option, e.getID(), e.getActionCommand(), e.getWhen(), e.getModifiers());
                    buttonListener.actionPerformed(e2);
                }

                if ((closingOptions == null) || Arrays.asList(closingOptions).contains(option)) {
                    haveFinalValue = true;
                    setVisible(false);
                }
            }
        };
    }

    private static void updateNotificationLine(TopDialog dialog, int msgType, Object o) {
        String msg = o == null ? null : o.toString();
        if (msg != null && msg.trim().length() > 0) {
            switch (msgType) {
                case TopDialog.MSG_TYPE_ERROR:
                    prepareMessage(dialog.notificationLine, ImageUtilities.loadImageIcon("org/netbeans/modules/dialogs/error.gif", false),
                            dialog.nbErrorForeground);
                    break;
                case TopDialog.MSG_TYPE_WARNING:
                    prepareMessage(dialog.notificationLine, ImageUtilities.loadImageIcon("org/netbeans/modules/dialogs/warning.gif", false),
                            dialog.nbWarningForeground);
                    break;
                case TopDialog.MSG_TYPE_INFO:
                    prepareMessage(dialog.notificationLine, ImageUtilities.loadImageIcon("org/netbeans/modules/dialogs/info.png", false),
                            dialog.nbInfoForeground);
                    break;
                default:
            }
            dialog.notificationLine.setToolTipText(msg);
        } else {
            prepareMessage(dialog.notificationLine, null, null);
            dialog.notificationLine.setToolTipText(null);
        }
        dialog.notificationLine.setText(msg);
    }

    private static void prepareMessage(JLabel label, ImageIcon icon, Color fgColor) {
        label.setIcon(icon);
        label.setForeground(fgColor);
    }

    private static final class FixedHeightLabel extends JLabel {

        private static final int ESTIMATED_HEIGHT = 16;

        public FixedHeightLabel() {
            super();
        }

        @Override
        public Dimension getPreferredSize() {
            Dimension preferredSize = super.getPreferredSize();
            assert ESTIMATED_HEIGHT == ImageUtilities.loadImage("org/netbeans/modules/dialogs/warning.gif").getHeight(null) : "Use only 16px icon.";
            preferredSize.height = Math.max(ESTIMATED_HEIGHT, preferredSize.height);
            return preferredSize;
        }
    }

    /**
     * Given a message object, create a displayable component from it.
     */
    private static Component message2Component(Object message) {
        if (message instanceof Component) {
            return (Component) message;
        } else if (message instanceof Object[]) {
            Object[] sub = (Object[]) message;
            JPanel panel = new JPanel();
            panel.setLayout(new FlowLayout());

            for (int i = 0; i < sub.length; i++) {
                panel.add(message2Component(sub[i]));
            }

            return panel;
        } else if (message instanceof Icon) {
            return new JLabel((Icon) message);
        } else {
            // bugfix #35742, used JTextArea to correctly word-wrapping
            String text = message.toString();
            JTextArea area = new JTextArea(text);
            Color c = UIManager.getColor("Label.background"); // NOI18N

            if (c != null) {
                area.setBackground(c);
            }

            area.setLineWrap(true);
            area.setWrapStyleWord(true);
            area.setEditable(false);
            area.setTabSize(4); // looks better for module sys messages than 8

            area.setColumns(40);

            if (text.indexOf('\n') != -1) {
                // Complex multiline message.
                return new JScrollPane(area);
            } else {
                // Simple message.
                return area;
            }
        }
    }

    private static Component option2Button(Object option, NotifyDescriptor nd, ActionListener l, JRootPane rp) {
        if (option instanceof AbstractButton) {
            AbstractButton b = (AbstractButton) option;
            b.addActionListener(l);

            return b;
        } else if (option instanceof Component) {
            return (Component) option;
        } else if (option instanceof Icon) {
            return new JLabel((Icon) option);
        } else {
            String text;
            boolean defcap;

            if (option == NotifyDescriptor.OK_OPTION) {
                text = "OK"; // XXX I18N
                defcap = true;
            } else if (option == NotifyDescriptor.CANCEL_OPTION) {
                text = "Cancel"; // XXX I18N
                defcap = false;
            } else if (option == NotifyDescriptor.YES_OPTION) {
                text = "Yes"; // XXX I18N
                defcap = true;
            } else if (option == NotifyDescriptor.NO_OPTION) {
                text = "No"; // XXX I18N
                defcap = false;
            } else if (option == NotifyDescriptor.CLOSED_OPTION) {
                throw new IllegalArgumentException();
            } else {
                text = option.toString();
                defcap = false;
            }

            JButton b = new JButton(text);

            if (defcap && (rp.getDefaultButton() == null)) {
                rp.setDefaultButton(b);
            }

            // added a simple accessible name to buttons
            b.getAccessibleContext().setAccessibleName(text);
            b.addActionListener(l);

            return b;
        }
    }
}
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