globalcontrols.java

风机在线监测系统,采用sqlserver数据库,有问题联系我

package java2d;

import java.awt.*;
import java.awt.image.BufferedImage;

import javax.swing.JPanel;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;


/**
 * Global Controls panel for changing graphic attributes of
 * the demo surface.
 */
public class GlobalControls extends JPanel {
    Surface surf;


    public GlobalControls() {
        setLayout(new GridBagLayout());
        setBorder(new TitledBorder(new EtchedBorder(), "报警信息"));
        add(surf = new Surface());

    }

    public class Surface extends JPanel implements Runnable {
        public float al1 = (float) 7.0;
        public float al2 = (float) 9.5;
        public Thread thread;
        private BufferedImage bimg;
        private Font font = new Font("serif", Font.BOLD, 18);


        public Surface() {
            //setBackground(Color.black);

        }

        public Dimension getMinimumSize() {
            return getPreferredSize();
        }

        public Dimension getMaximumSize() {
            return getPreferredSize();
        }

        public Dimension getPreferredSize() {
            return new Dimension(135, 315);
        }

        public void drawLed(Graphics2D g, int type, int x, int y) {
            switch (type) {
            case 1:
                g.setColor(new Color(0, 255, 0));
                break;
            case 2:
                g.setColor(new Color(255, 255, 255));
                break;
            case 3:
                g.setColor(new Color(251, 251, 19));
                break;
            case 4:
                g.setColor(new Color(255, 0, 0));
                break;
            default:
                g.setColor(new Color(0, 255, 0));
            }
            g.fillOval(x, y, 20, 20);
        }

        public int alarm(float val, float al1, float al2) {
            int type = 1;
            if (val >= al1 && val < al2) {
                type = 3;
            } else
            if (val >= al2) {
                type = 4;
            } else
            if (val < al1) {
                type = 1;
            } else {
                type = 2;
            }

            return type;
        }

        public void paint(Graphics g) {
            if (bimg != null) {
                g.drawImage(bimg, 0, 0, this);
            }
        }


        public void start() {
            thread = new Thread(this);
            thread.setPriority(Thread.MIN_PRIORITY);
            thread.setName("AlarmInformation");
            thread.start();
        }


        public synchronized void stop() {
            thread = null;

            notify();
        }


        public void run() {

            Thread me = Thread.currentThread();

            while (thread == me && !isShowing() || getSize().width == 0) {
                try {
                    thread.sleep(500);
                } catch (InterruptedException e) {
                    return;
                }
            }

            Dimension d = getSize();
            bimg = (BufferedImage) createImage(d.width, d.height);
            Graphics2D big = bimg.createGraphics();
            big.setFont(font);
            FontMetrics fm = big.getFontMetrics();
            int ascent = fm.getAscent();
            int descent = fm.getDescent();

            while (thread == me && isShowing()) {
                //big.setBackground(getBackground());
                big.setBackground(Color.black);
                big.clearRect(0, 0, d.width, d.height);
                float[] H = new float[7];
                float[] L = new float[7];
                if (Java2Demo.datapool != null) {
                    H = Java2Demo.datapool.getdataF("high_frequency_table");
                    L = Java2Demo.datapool.getdataF("low_frequency_table");
                }

                big.setColor(Color.black);
                int ssH = 1;

                drawLed(big, alarm(H[2], al1, al2), 5, 8);
                big.drawString("风机左X方向", 30, 25);

                drawLed(big, alarm(H[0], al1, al2), 5, 38);
                big.drawString("风机左Y方向", 30, 55);

                drawLed(big, alarm(H[4], al1, al2), 5, 68);
                big.drawString("风机左Z方向", 30, 85);

                drawLed(big, alarm(H[3], al1, al2), 5, 98);
                big.drawString("风机右X方向", 30, 115);

                drawLed(big, alarm(H[1], al1, al2), 5, 128);
                big.drawString("风机右Y方向", 30, 145);

                drawLed(big, alarm(H[5], al1, al2), 5, 158);
                big.drawString("风机右Z方向", 30, 175);

                drawLed(big, alarm(L[0], al1, al2), 5, 188);
                big.drawString("风机左温度", 30, 205);

                drawLed(big, alarm(L[1], al1, al2), 5, 218);
                big.drawString("风机右温度", 30, 235);

                drawLed(big, alarm(L[2], al1, al2), 5, 248);
                big.drawString("电机左温度", 30, 265);

                drawLed(big, alarm(L[3], al1, al2), 5, 278);
                big.drawString("电机右温度", 30, 295);

                repaint();

                try {
                    thread.sleep(500);
                } catch (InterruptedException e) {
                    break;
                }
            }
            thread = null;
        }
    } // End Surface
}