Initial version based on previous work. (Version alpha 7)

trunk/src/com/jpexs/asdec/gui/LoadingPanel.java

@@ -0,0 +1,47 @@
+package com.jpexs.asdec.gui;
+
+import javax.swing.*;
+import java.awt.*;
+
+/**
+ * Panel with loading animation
+ *
+ * @author JPEXS
+ */
+public class LoadingPanel extends JPanel {
+    private int pos = 0;
+    private Image animationImage;
+    private int iconWidth;
+    private int iconHeight;
+
+    /**
+     * Constructor
+     *
+     * @param iconWidth  Width of displayed icon
+     * @param iconHeight Height of displayed icon
+     */
+    public LoadingPanel(int iconWidth, int iconHeight) {
+        this.iconWidth = iconWidth;
+        this.iconHeight = iconHeight;
+        ImageIcon icon = (new ImageIcon(this.getClass().getResource("/com/jpexs/asdec/gui/graphics/loading.png")));
+        animationImage = icon.getImage();
+        java.util.Timer timer = new java.util.Timer();
+        timer.schedule(new java.util.TimerTask() {
+            public void run() {
+                pos = (pos + 1) % 12;
+                repaint();
+            }
+        }, 100, 100);
+    }
+
+    /**
+     * Paints component
+     *
+     * @param g Graphics to paint on
+     */
+    @Override
+    protected void paintComponent(Graphics g) {
+        super.paintComponent(g);
+        g.drawImage(animationImage, getWidth() / 2 - iconWidth / 2, getHeight() / 2 - iconHeight / 2, getWidth() / 2 + iconWidth / 2, getHeight() / 2 + iconHeight / 2, pos * 100, 0, (pos + 1) * 100, 100, this);
+    }
+}