swingutensil.java

国外的一套开源CRM

package org.ofbiz.rules.utensil;


import java.awt.*;
import java.awt.event.*;
// import com.sun.java.swing.*;
// import com.sun.java.swing.border.*;
import javax.swing.*;
import javax.swing.border.*;


/**
 * <p><b>Title:</b> Swing Utensil
 * <p><b>Description:</b> None
 * <p>Copyright (c) 1999 Steven J. Metsker.
 * <p>Copyright (c) 2001 The Open For Business Project - www.ofbiz.org
 *
 * <p>Permission is hereby granted, free of charge, to any person obtaining a
 *  copy of this software and associated documentation files (the "Software"),
 *  to deal in the Software without restriction, including without limitation
 *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit persons to whom the
 *  Software is furnished to do so, subject to the following conditions:
 *
 * <p>The above copyright notice and this permission notice shall be included
 *  in all copies or substantial portions of the Software.
 *
 * <p>THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 *  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 *  OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 *  THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * <br>
 * <p>This class harbors a few handy swing utilities.
 *
 * @author Steven J. Metsker
 * @version 1.0
 */
public class SwingUtensil {

    /**
     * Set the location of a frame to be the center of the
     * screen.
     */
    public static void center(Frame f) {
        Dimension sDim =
            Toolkit.getDefaultToolkit().getScreenSize();

        Dimension fDim = f.getSize();

        if (fDim.height > sDim.height) {
            fDim.height = sDim.height;
        }
        if (fDim.width > sDim.width) {
            fDim.width = sDim.width;
        }

        f.setLocation(
            (sDim.width - fDim.width) / 2,
            (sDim.height - fDim.height) / 2);
    }

    /**
     * A standard font for interactive development environment
     * text areas.
     */
    public static Font ideFont() {
        int style = Font.PLAIN;
        int size = 18;
        String name = "lucida sans typewriter";
        Font f = new Font(name, style, size);

        if (!f.getFamily().equals(name)) {
            name = "Monospaced";
            f = new Font(name, style, size);
        }
        return f;
    }

    /**
     * Return a standard text area, with the standard font
     * and border, and with word wrapping enabled.
     */
    public static JTextArea ideTextArea() {
        JTextArea ta = new JTextArea();

        ta.setFont(ideFont());
        ta.setBorder(new EmptyBorder(5, 5, 5, 5));
        ta.setLineWrap(true);
        return ta;
    }

    /**
     * Return a standard titled border.
     */
    public static TitledBorder ideTitledBorder(String title) {
        TitledBorder tb = BorderFactory.createTitledBorder(
                BorderFactory.createBevelBorder(BevelBorder.RAISED),
                title,
                TitledBorder.LEFT,
                TitledBorder.TOP);

        tb.setTitleColor(Color.black);
        tb.setTitleFont(ideFont());
        return tb;
    }

    /**
     * Create a frame with the given title around the given
     * component; center and  display the frame; listen for
     * exit, closing the frame's window on exit.
     */
    public static JFrame launch(Component c, String title) {
        JFrame frame = new JFrame(title);

        frame.getContentPane().add(c);
        SwingUtensil.listen(frame);
        frame.pack();
        SwingUtensil.center(frame);
        frame.setVisible(true);
        return frame;
    }

    /**
     * Set up an exit listener for a frame.
     */
    public static void listen(Frame f) {
        f.addWindowListener(new WindowAdapter() {
                public void windowClosing(WindowEvent e) {
                    System.exit(0);
                };
            }
        );
    }

    /**
     * Returns a standard text panel, with a scroll pane around
     * a text area, and with a title border.
     *
     * @param String the panel title
     *
     * @param JTextArea the text area to wrap
     *
     * @param Dimension the preferred size for this panel
     *
     * @param Dimension the minimum size for this panel
     *
     * @return a standard text panel, with a scroll pane
     *         around a text area, and with a title border.
     */
    public static JPanel textPanel(
        String title, JTextArea ta,
        Dimension pref, Dimension min) {

        // scroll pane around text area
        JScrollPane s1 = new JScrollPane(ta);

        s1.setPreferredSize(pref);
        s1.setMinimumSize(min);

        // titled panel that contains scrolling text area
        JPanel p = new JPanel();

        p.setLayout(new BorderLayout());
        p.setBorder(SwingUtensil.ideTitledBorder(title));
        p.add(s1, "Center");
        return p;
    }
}