📄 warningwindow.java

📁 一个用于排队系统仿真的开源软件,有非常形象的图象仿真过程!
💻 JAVA
字号:
/**
 * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package jmt.gui.common.panels;

import jmt.gui.common.resources.ImageLoader;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Iterator;
import java.util.Vector;

/**
 * <p>Title: Warning Window</p>
 * <p>Description: This class provides a window to show warnings generated by model conversion.
 * Warnings are expected tobe ctored in a Vector of Strings.</p>
 *
 * @author Bertoli Marco
 *         Date: 1-mar-2006
 *         Time: 14.34.42
 */
public class WarningWindow {
    private JDialog dialog;
    private Vector warnings;

    private static final int BORDER = 20;

    /**
     * Creates a new WarningWindow to show specified warnings
     * @param warnings warnings to be shown
     * @param owner owner of the shown dialog. If it's not a Dialog nor a Frame, created
     * window will not be modal.
     */
    public WarningWindow(Vector warnings, Window owner) {
        if (owner instanceof Dialog)
            dialog = new JDialog((Dialog)owner, true);
        else if (owner instanceof Frame)
            dialog = new JDialog((Frame)owner, true);
        else
            dialog = new JDialog();
        this.warnings = warnings;
        initDialog();
    }

    /**
     * Initialize internal dialog to be shown
     */
    private void initDialog() {
        dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
        dialog.setTitle("Model conversion terminated with warnings");
        int width = 600, height=450;

        // Centers this dialog on the screen
        Dimension scrDim = Toolkit.getDefaultToolkit().getScreenSize();
        dialog.setBounds((scrDim.width-width)/2,(scrDim.height-height)/2,width,height);


        // Creates a main panel with
        JPanel main = new JPanel (new BorderLayout());
        main.setBorder(BorderFactory.createEmptyBorder(BORDER, BORDER, BORDER, BORDER));

        // Creates a box to show warnings
        ScrollablePanel box = new ScrollablePanel();
        box.setLayout(new BoxLayout(box, BoxLayout.Y_AXIS));
        Iterator i = warnings.iterator();
        while (i.hasNext())
            box.add(getEntry((String)i.next()));

        box.setBackground(Color.white);

        main.add(new JScrollPane(box), BorderLayout.CENTER);


        dialog.getContentPane().add(main, BorderLayout.CENTER);

        // Adds a lower panel with okay button
        JPanel lower = new JPanel();
        JButton okButton = new JButton("OK");
        okButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                dialog.dispose();
            }
        });
        lower.add(okButton);
        dialog.getContentPane().add(lower, BorderLayout.SOUTH);
    }

    /**
     * This is used to create components to be shown inside box
     * @param text text to be displayed inside box
     * @return created component
     */
    private Component getEntry(String text) {
        JLabel label = new JLabel("<HTML>"+text+"</HTML>");
        label.setIcon(ImageLoader.loadImage("Warning"));
        label.setIconTextGap(BORDER);
        label.setHorizontalTextPosition(JLabel.RIGHT);
        label.setBorder(BorderFactory.createEmptyBorder(4,4,4,4));
        return label;
    }

    /**
     * Sets title of shown dialog
     * @param title title of shown dialog
     */
    public void setTitle(String title) {
        dialog.setTitle(title);
    }

    /**
     * Shows warning window dialog
     */
    public void show() {
        dialog.show();
    }

    /**
     * Inner class to display a panel with vertical scrollbars only
     */
    public class ScrollablePanel extends JPanel implements Scrollable {
            public void setBounds( int x, int y, int width, int height ) {
                super.setBounds( x, y, getParent().getWidth(), height );
            }

            public Dimension getPreferredSize() {
                return new Dimension( getWidth(), getPreferredHeight() );
            }

            public Dimension getPreferredScrollableViewportSize() {
                return super.getPreferredSize();
            }

            public int getScrollableUnitIncrement( Rectangle visibleRect, int orientation, int direction ) {
                int hundredth = ( orientation ==  SwingConstants.VERTICAL
                        ? getParent().getHeight() : getParent().getWidth() ) / 100;
                return ( hundredth == 0 ? 1 : hundredth );
            }

            public int getScrollableBlockIncrement( Rectangle visibleRect, int orientation, int direction ) {
                return orientation == SwingConstants.VERTICAL ? getParent().getHeight() : getParent().getWidth();
            }

            public boolean getScrollableTracksViewportWidth() {
                return true;
            }

            public boolean getScrollableTracksViewportHeight() {
                return false;
            }

            private int getPreferredHeight() {
                int rv = 0;
                for ( int k = 0, count = getComponentCount(); k < count; k++ ) {
                    Component comp = getComponent( k );
                    Rectangle r = comp.getBounds();
                    int height = r.y + r.height;
                    if ( height > rv )
                        rv = height;
                }

                if (getParent().getHeight() > rv)
                    return getParent().getHeight();
                else
                    return rv;
            }
        }

}
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -