gbjpanel.java

编辑视频文件

/*
 * File:     GBJPanel.java
 * Project:  MPI Linguistic Application
 * Date:     02 May 2007
 *
 * Copyright (C) 2001-2007  Max Planck Institute for Psycholinguistics
 *
 * 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 mpi.util.gui;

import java.awt.AWTException;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.LayoutManager;

import javax.swing.JPanel;


/**
 * GBJpanel: implements JPanel + addComponent for GridBag layout is the basis
 * for all our Panels
 */
public class GBJPanel extends JPanel {
    private int inset = 5;

    /**
     * Creates a new GBJPanel instance
     */
    public GBJPanel() {
        super(new java.awt.GridBagLayout());
    }

    /**
     * DOCUMENT ME!
     *
     * @param n DOCUMENT ME!
     */
    public void setInset(int n) {
        inset = n;
    }

    /**
     * DOCUMENT ME!
     *
     * @param component DOCUMENT ME!
     * @param gridx DOCUMENT ME!
     * @param gridy DOCUMENT ME!
     * @param gridwidth DOCUMENT ME!
     * @param gridheight DOCUMENT ME!
     * @param fill DOCUMENT ME!
     * @param anchor DOCUMENT ME!
     * @param weightx DOCUMENT ME!
     * @param weighty DOCUMENT ME!
     *
     * @throws AWTException DOCUMENT ME!
     */
    public void addComponent(Component component, int gridx, int gridy,
        int gridwidth, int gridheight, int fill, int anchor, int weightx,
        int weighty) throws AWTException {
        LayoutManager lm = this.getLayout();

        if (!(lm instanceof GridBagLayout)) {
            throw new AWTException("Invalid layout" + lm);
        } else {
            GridBagConstraints gbc = new GridBagConstraints();
            gbc.gridx = gridx;
            gbc.gridy = gridy;
            gbc.gridwidth = gridwidth;
            gbc.gridheight = gridheight;
            gbc.fill = fill;
            gbc.anchor = anchor;
            gbc.ipadx = 5;
            gbc.ipady = 5;
            gbc.weightx = weightx;
            gbc.weighty = weighty;
            gbc.insets = new Insets(inset, inset, inset, inset);
            ((GridBagLayout) lm).setConstraints(component, gbc);
            this.add(component);
        }
    }
}