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114 lines
2.9 KiB
114 lines
2.9 KiB
package org.kde.kjas.server;
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import java.applet.Applet;
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.Graphics;
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import java.awt.Image;
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import java.awt.LayoutManager;
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import java.awt.Panel;
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import java.net.URL;
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/**
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* @author till
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*
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* A panel which embeds the applet and shows some
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* information during class loading.
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*/
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public class KJASAppletPanel extends javax.swing.JPanel implements StatusListener {
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private final static int LOADING = 1;
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private final static int RUNNING = 2;
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private final static int FAILED = 3;
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private Image load_img = null;
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private Image fail_img = null;
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private int status = LOADING;
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private Font font;
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private String msg = "Loading Applet...";
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/**
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* Constructor for KJASAppletPanel.
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*/
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public KJASAppletPanel() {
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super(new BorderLayout());
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font = new Font("SansSerif", Font.PLAIN, 10);
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URL url =
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getClass().getClassLoader().getResource("images/animbean.gif");
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load_img = getToolkit().createImage(url);
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//setBackground(Color.white);
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}
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void setApplet(Applet applet) {
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add("Center", applet);
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validate();
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}
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public void showStatus(String msg) {
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this.msg = msg;
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if (status != RUNNING)
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repaint();
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}
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public void paint(Graphics g) {
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super.paint(g);
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if (status == RUNNING)
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return;
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Image img = (status == LOADING ? load_img : fail_img);
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int x = getWidth() / 2;
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int y = getHeight() / 2;
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if (img != null) {
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//synchronized (img) {
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int w = img.getWidth(this);
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int h = img.getHeight(this);
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int imgx = x - w / 2;
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int imgy = y - h / 2;
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//g.setClip(imgx, imgy, w, h);
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g.drawImage(img, imgx, imgy, this);
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y += img.getHeight(this) / 2;
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//}
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}
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if (msg != null) {
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//synchronized(msg) {
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g.setFont(font);
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FontMetrics m = g.getFontMetrics();
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int h = m.getHeight();
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int w = m.stringWidth(msg);
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int msgx = x - w / 2;
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int msgy = y + h;
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//g.setClip(0, y, getWidth(), h);
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g.drawString(msg, msgx, msgy);
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//}
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}
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}
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void showFailed() {
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URL url =
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getClass().getClassLoader().getResource("images/brokenbean.gif");
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fail_img = getToolkit().createImage(url);
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status = FAILED;
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msg = "Applet Failed.";
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repaint();
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}
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void showFailed(String message) {
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showFailed();
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showStatus(message);
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}
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public void stopAnimation() {
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status = RUNNING;
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}
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public boolean imageUpdate(Image img, int flags, int x, int y, int w, int h)
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{
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if (img != null && img == load_img && status != LOADING) {
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img.flush();
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load_img = null;
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Main.debug("flushing image");
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return false;
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}
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return super.imageUpdate(img, flags, x, y, w, h);
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}
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}
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