java swing定制jprogressbar
final BasicStroke DESH_LINE_STROKE = new BasicStroke(1.5f,
BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 10.0f,
new float[]{2f}, .0f);
final int lineSize = 4;
setDefaultRenderer(JProgressBar.class, new TableCellRenderer() {
@Override
public Component getTableCellRendererComponent(final JTable table, final Object value, final boolean isSelected, boolean hasFocus, int row, int column) {
JLabel lbl = new JLabel() {
@Override
protected void paintComponent(Graphics g) {
double process = Double.parseDouble(value.toString());
int w = getWidth();
double h = 16;
double y = (getHeight() - h)/2;
double wordWidth = w * 3.0 / 10;
Graphics2D g2d = (Graphics2D) g;
//画选择后的背景颜色
Dimension size = getSize();
if (isSelected) {
g.setColor(new Color(51, 153, 255));
g.fillRect(0, 0, size.width, size.height);
}
//画文字
int n = (int) process;
String text = "";
if (n == 100) {
text = String.valueOf(n);
} else if (n < 10) {
text = " " + String.valueOf(n);
} else {
text = " " + String.valueOf(n);
}
g2d.setColor(Color.black);
g2d.drawString(text, 2, g2d.getFontMetrics().getAscent()+(int)y);
double rectWidth = w - wordWidth;
double rw = rectWidth / lineSize;
//灰色背景
if (isSelected) {
g.setColor(new Color(51, 153, 255));
} else {
g2d.setColor(new Color(231, 231, 231));
}
g2d.fill(new Rectangle2D.Double(wordWidth, y, rectWidth, h));
//画进度条
g.setColor(new Color(0, 217, 23));
if (process > 70) {
g.setColor(new Color(255, 201, 0));
}
if (process > 90) {
g.setColor(new Color(186, 12, 12));
}
w = (int) (process / 100.0 * rectWidth);
g2d.fill(new Rectangle2D.Double(wordWidth, y, w, h));
//画虚线
g2d.setStroke(DESH_LINE_STROKE);
g2d.setColor(new Color(152, 152, 152));
for (int i = 1; i <= lineSize; i++) {
double x = wordWidth + rw * i;
Line2D line = new Line2D.Double(x, y, x, h+y);
g2d.draw(line);
}
// 画边框实现
g2d.setStroke(new BasicStroke(2.0f));
g2d.draw(new Rectangle2D.Double(wordWidth, y, rectWidth-1, h));
}
@Override
public final void update(Graphics g) {
this.paintComponent(g);
}
};
return lbl;
}
});