//Vector.java //import java.applet.*; import java.awt.*; import java.awt.event.*; import javax.swing.JRadioButton; import javax.swing.ButtonGroup; import javax.swing.*; import javax.swing.event.*; import java.awt.geom.*; import java.awt.geom.Ellipse2D.Double; import java.util.*; import java.text.*; public class Vector extends JFrame implements WindowListener{ // Draws the vectors diagram VectorCanvas vc; PaintPanel pp; PaintPanel2 pp2; public int anno_mio; // Slider for mydistance length // These input define k magnitude [ k = omega * sqrt(mu epsilon) ] public JSlider jslider_mydistance; public JSlider jslider_WireLength; public JSlider jslider_mydistance2; public JSlider jslider_epsilon_r; // Define k-orientation public JSlider jslider_radius; public JSlider jslider_kphi; // Define E-vector public JSlider jslider_CurrentA; public JSlider jslider_CurrentB; public JSlider jslider_Ephase; public JSlider jslider_Ephi; //public JSlider jslider_animation; public JLabel jlab_mydistance; public JLabel jlab_WireLength; public JLabel jlab_WireLength2; public JLabel jlab_WireLength3; public JLabel jlab_epsilon, jlab_epsilon2, jlab_epsilon3; public JLabel jlab_radius; public JLabel jlab_phi; public JLabel jlab_CurrA; public JLabel jlab_CurrA2; public JLabel jlab_CurrA3; public JLabel jlab_CurrB; public JLabel jlab_CurrB2; public JLabel jlab_CurrB3; public JLabel jlab_rotate; public JLabel jlambda; public JLabel jlambda2; //public JLabel jcopyright; //public JLabel janimation; public JLabel jtitle1; public JLabel jtitle2, jtitle2a, jtitle2b; //public JButton jstart; //public JButton jstop; //public JButton jback; //public JButton jforth; public JButton jInstructions; public JButton jclose; //public JButton jColorF; //public JButton jColorP; public JCheckBox jLabels; public JRadioButton[] Field = new JRadioButton[2]; public ButtonGroup field_power = new ButtonGroup(); //public JRadioButton[] Fill = new JRadioButton[1]; public double direction = 1.0; public boolean running = false; public boolean goforth = true; public JPanel jtitle = new JPanel(); public JPanel jcontrols = new JPanel(); public JPanel jline1 = new JPanel(); public JPanel jline2 = new JPanel(); public JPanel jline3 = new JPanel(); public JPanel jline4 = new JPanel(); public JPanel jtitlep1 = new JPanel(); public JPanel jtitlep2 = new JPanel(); public JPanel jtitlep3 = new JPanel(); public JPanel jtitlep4 = new JPanel(); public JPanel jtitlep5 = new JPanel(); public JPanel jtitlep6 = new JPanel(); public JPanel jtitlep7 = new JPanel(); public JPanel jtitlep8 = new JPanel(); public JPanel jback1 = new JPanel(); public JPanel jback2 = new JPanel(); public JPanel jback3 = new JPanel(); public JPanel jInstructionspanel = new JPanel(); public JPanel jInst2 = new JPanel(); public JPanel jInst3 = new JPanel(); public JPanel jInst4 = new JPanel(); public JPanel jInst5 = new JPanel(); public JPanel jInst6 = new JPanel(); public JPanel jcontrols2 = new JPanel(); public int sleep_factor = 200; public int Nside, Nside1, Nside2; public Panel p_one; Thread vai; public boolean forward = true; //-------------------------------------------- public boolean LicenseExpired; public int this_month, today_week, this_year, this_hour, this_minute, today_month, today_year,this_zone, saving_time; public int annonuovo = 2006; public int anno = 2006; public double distance = 0.5; // [m] GregorianCalendar Greg = new GregorianCalendar(); //-------------------------------------------- public static void main(String[] args){ int xmove = 20; int ymove = 41; Vector f = new Vector(); f.setSize(926+xmove,619+ymove); f.setVisible(true); //f.setLayout(new FlowLayout()); f.setLayout(null); } public Vector() { this_month = Greg.get(Calendar.MONTH); //System.out.println(" This is the month = "+this_month); today_week = Greg.get(Calendar.DAY_OF_WEEK); //System.out.println(" This is the day_week = "+today_week); this_year = Greg.get(Calendar.YEAR); this_hour = Greg.get(Calendar.HOUR_OF_DAY); //System.out.println(" This is the year = "+this_year); this_minute = Greg.get(Calendar.MINUTE); //System.out.println(" This is the minute = "+this_minute); today_month = Greg.get(Calendar.DAY_OF_MONTH); //System.out.println(" This is the day_month = "+today_month); today_year = Greg.get(Calendar.DAY_OF_YEAR); //System.out.println(" This is the day_year = "+today_year); this_zone = Greg.get(Calendar.ZONE_OFFSET); //System.out.println(" This is the zone_offset = "+this_zone/3600000); saving_time = Greg.get(Calendar.DST_OFFSET); //System.out.println(" This is the dst_offset = "+saving_time/3600000); if(anno > this_year){ annonuovo = anno; } else{ annonuovo = this_year; } try{ SwingUtilities.invokeAndWait(new Runnable(){ public void run(){ guiInit(); //initialize GUI pp.repaint(); } }); } catch(Exception exc){} Runnable Ant_Thread = new Runnable(){ public void run(){ try{ for(; ;){ Thread.sleep(sleep_factor); SwingUtilities.invokeLater(new Runnable(){ public void run(){ updateTime(); } }); } } catch(InterruptedException exc){} } }; vai = new Thread(Ant_Thread); vai.start(); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } class PaintPanel extends JPanel{ PaintPanel(){ mydistance = 1.50; setOpaque(true); // setBorder(BorderFactory.createLineBorder(Color.RED,5)); } private double mydistance; public void setmydistance(double mydistance){ this.mydistance = mydistance; } @Override protected void paintComponent(Graphics g){ super.paintComponent(g); Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); int xstart = 10; int ystart = 13; int deltay = 16; int deltayy = 20; int y; y = ystart; g.setColor(Color.black); MaestroG.subscripterBold("Magnetic Induction","","",g,14,xstart+10, y); y += deltayy; MaestroG.subsupspecial5(" B","1"," = "+MaestroA.rounder(vc.B1,6)+" \u00d7 10","-6"," x"," ^"," [ T ]",g, 13, xstart+10, y); y += deltayy; MaestroG.subsupspecial5(" B","2"," = "+MaestroA.rounder(vc.B2,6)+" \u00d7 10","-6"," x"," ^"," [ T ]",g, 13, xstart+10, y); y += deltayy+2; MaestroG.subscripterBold("Total Magnetic Force on Wires","","",g,14,xstart+10, y); y += deltayy; MaestroG.subsupspecial5(" F","1"," = "+MaestroA.rounder(vc.F1,6)+" \u00d7 10","-6"," y"," ^"," [ N ]",g, 13, xstart+10, y); y += deltayy; MaestroG.subsupspecial5(" F","2"," = "+MaestroA.rounder(vc.F2,6)+" \u00d7 10","-6"," y"," ^"," [ N ]",g, 13, xstart+10, y); y += deltayy+2; MaestroG.subscripterBold("Magnetic Force per Unit Length","","",g,14,xstart+10, y); y += deltayy; MaestroG.subsupspecial5(" F'","1"," = "+MaestroA.rounder(vc.F1prime,6)+" \u00d7 10","-6"," y"," ^"," [ N/m ]",g, 13, xstart+10, y); y += deltayy; MaestroG.subsupspecial5(" F'","2"," = "+MaestroA.rounder(vc.F2prime,6)+" \u00d7 10","-6"," y"," ^"," [ N/m ]",g, 13, xstart+10, y); } public void changeBorderSize(int size){ setBorder(BorderFactory.createLineBorder(Color.RED,size)); } public void drawLineThick(Graphics g, double x1, double y1, double x2, double y2, int thick, Color color){ Graphics2D g2d = (Graphics2D)g; g2d.setPaint(color); g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND)); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); Line2D.Double line = new Line2D.Double(x1,y1,x2,y2); g2d.draw(line); g2d.setStroke(new BasicStroke(1)); //g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } private void drawDashLineThick(Graphics g, double x1, double y1, double x2, double y2, int thick, int dash, Color color){ Graphics2D g2d = (Graphics2D)g; g2d.setPaint(color); g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND)); float[] dashPattern = {dash,dash}; g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_BUTT,BasicStroke.JOIN_MITER,10.0F,dashPattern,0)); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); Line2D.Double line = new Line2D.Double(x1,y1,x2,y2); g2d.draw(line); g2d.setStroke(new BasicStroke(1));g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND)); //g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } } class PaintPanel2 extends JPanel{ PaintPanel2(){ setOpaque(true); // setBorder(BorderFactory.createLineBorder(Color.RED,5)); } private double mydistance; public void setmydistance(double mydistance){ this.mydistance = mydistance; } @Override protected void paintComponent(Graphics g){ super.paintComponent(g); Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(Color.black); //g.setFont(state.ttfFont.deriveFont(Font.BOLD,16f)); g.setFont(new Font("SanSerif",Font.BOLD,18)); g.drawString("Instructions", 15,25); //g.setFont(state.ttfFont.deriveFont(14f)); //g.setFont(new Font("SanSerif",Font.PLAIN,14)); //g.drawString("This module can accomodate linearly polarized plane "+ // "waves in both lossy and lossless media.",15,50); int xcolumn1 = 25; int xcolumn2 = 25; int xcolumn3 = 25; int ystart; int y; int ytext; int deltaY = 25; String s; int nextX; ystart = 75; ytext = ystart; // INPUT g.setColor(Color.red); //g.setFont(state.ttfFont.deriveFont(Font.BOLD,15f)); g.setFont(new Font("SanSerif",Font.BOLD,17)); g.drawString("Assumption", xcolumn2,ytext); g.setColor(Color.black); //g.setFont(state.ttfFont.deriveFont(14f)); g.setFont(new Font("SanSerif",Font.PLAIN,16)); ytext += deltaY; s = "\u2022 Non-magnetic medium with permeability "+STR.ITAL+"\u03bc = \u03bc"+STR.ENDITAL+STR.SUB+"0"+STR.ENDSUB; nextX = STR.displayString(s,g,xcolumn1,ytext); ytext += deltaY + 10; // INPUT g.setColor(Color.red); //g.setFont(state.ttfFont.deriveFont(Font.BOLD,15f)); g.setFont(new Font("SanSerif",Font.BOLD,17)); g.drawString("Input", xcolumn2,ytext); g.setColor(Color.black); //g.setFont(state.ttfFont.deriveFont(14f)); g.setFont(new Font("SanSerif",Font.PLAIN,16)); ytext += deltaY; //INPUT s = "\u2022 Currents flowing in the parallel wires"; nextX = STR.displayString(s,g,xcolumn2,ytext); ytext += deltaY; s = "\u2022 Distance between the wires"; nextX = STR.displayString(s,g,xcolumn2,ytext); ytext += deltaY; s = "\u2022 Length of the wires"; nextX = STR.displayString(s,g,xcolumn2,ytext); ytext += deltaY + 10; // OUTPUT g.setColor(Color.red); //g.setFont(state.ttfFont.deriveFont(Font.BOLD,15f)); g.setFont(new Font("SanSerif",Font.BOLD,17)); g.drawString("Displayed Information", xcolumn3,ytext); g.setColor(Color.black); //g.setFont(state.ttfFont.deriveFont(14f)); g.setFont(new Font("SanSerif",Font.PLAIN,16)); ytext += deltaY; s = "\u2022 Magnetic induction B at each wire location due to current flow in the neighboring wire"; nextX = STR.displayString(s,g,xcolumn3,ytext); ytext += deltaY; s = "\u2022 Total force and force per unit length induced on the wires by the current flow"; nextX = STR.displayString(s,g,xcolumn3,ytext); ytext += deltaY; s = "\u2022 3D diagram of the vectors and of the wires configuration"; nextX = STR.displayString(s,g,xcolumn3,ytext); g.setColor(Color.blue.darker()); ytext += 2*deltaY; s = "This application illustrate the effect of magnetic force due to current flow in parallel conducting wires."; nextX = STR.displayString(s,g,xcolumn2,ytext); ytext += 3*deltaY/2; s = "\u2022 If the currents flow in the same direction, the wires attract each other with equal force."; nextX = STR.displayString(s,g,xcolumn2,ytext); ytext += deltaY; s = "\u2022 If the currents flow in opposite directions, the wires repel each other with equal force."; nextX = STR.displayString(s,g,xcolumn2,ytext); drawCopyRight(g); /* // draw diagram double x1 = 600.0; double y1 = 30.0; double x2 = 660.0; double y2 = 130.0; double rado = 90.0; Ellipse2D mosto = new Ellipse2D.Double(x2-rado,y2-rado/2,2*rado,rado); //g2d.draw(mosto); //AffineTransform perp; //perp = new AffineTransform(); //perp.setToRotation(Math.toRadians(-6)); //g2d.transform(perp); //g2d.translate(30.0,0.0); g2d.rotate(-Math.PI/6,x2,y2); // tilt the ellipse g2d.draw(mosto); g2d.rotate(Math.PI/6,x2,y2); // rotate back drawDashLineThick(g, x2, y2, x2-100, y2+50, 1, 5, Color.lightGray); drawLineThick(g, x2, y2, x2+100, y2, 1, Color.lightGray); // E vector g.setFont(new Font("Serif",Font.BOLD | Font.ITALIC,20)); g.setColor(Color.red); s = "E"; nextX = STR.displayString(s,g,(int)x2+50,(int)y2-10); drawLineThick(g, x2, y2, x2+65, y2, 3, Color.red); drawLineThick(g, x2+65, y2, x2+55, y2+4, 3, Color.red); drawLineThick(g, x2+65, y2, x2+55, y2-4, 3, Color.red); // H vector g.setFont(new Font("Serif",Font.BOLD | Font.ITALIC,20)); g.setColor(Color.blue); s = "H"; nextX = STR.displayString(s,g,(int)x2+25,(int)y2-40); drawLineThick(g, x2, y2, x2+20, y2-55, 3, Color.blue); drawLineThick(g, x2+20, y2-55, x2+12, y2-46, 3, Color.blue); drawLineThick(g, x2+20, y2-55, x2+21, y2-44, 3, Color.blue); //drawLineThick(g, x1, y1, x1, y2+37, 1, Color.lightGray); drawDashLineThick(g, x1, y1, x1, y2+57, 1, 5, Color.magenta.brighter()); // k-vector g.setFont(new Font("Serif",Font.BOLD | Font.ITALIC,20)); g.setColor(Color.gray); s = "k"; nextX = STR.displayString(s,g,(int)x1+20,(int)y1+15); drawLineThick(g, x1, y1, x2, y2, 3, Color.black); drawLineThick(g, x1, y1, x1+3, y1+15, 3, Color.black); drawLineThick(g, x1, y1, x1+12, y1+10, 3, Color.black); // angles // angle theta g.setFont(new Font("Serif",Font.ITALIC,20)); g.setColor(Color.black); s = "\u03b8"; nextX = STR.displayString(s,g,(int)x2-20,(int)y2-50); // angle phi g.setFont(new Font("Serif",Font.ITALIC,20)); g.setColor(Color.black); s = "\u03c6"; nextX = STR.displayString(s,g,(int)x2-50,(int)y2+15); // angle psi g.setFont(new Font("Serif",Font.ITALIC,20)); g.setColor(Color.black); s = "\u03c8"; nextX = STR.displayString(s,g,(int)x2+30,(int)y2+15); //drawLineThick(g, x2+60, y2+60, x2, y2, 2, Color.lightGray); // drawDashLineThick(g, x2+60, y2+60, x2, y2, 1, 5, Color.magenta.brighter()); // xyz axes g.setFont(new Font("Serif",Font.BOLD | Font.ITALIC,18)); g.setColor(Color.gray); s = "x"; nextX = STR.displayString(s,g,(int)x1-75,(int)y2-5); drawLineThick(g, x1-70, y2, x2, y2, 2, Color.lightGray); // x drawLineThick(g, x1-70, y2, x1-60, y2-3, 2, Color.lightGray); drawLineThick(g, x1-70, y2, x1-60, y2+3, 2, Color.lightGray); g.setFont(new Font("Serif",Font.BOLD | Font.ITALIC,18)); g.setColor(Color.gray); s = "y"; nextX = STR.displayString(s,g,(int)x2+15,(int)y2+80); drawLineThick(g, x2+30, y2+70, x2, y2, 2, Color.lightGray); // y drawLineThick(g, x2+30, y2+70, x2+30, y2+61, 2, Color.lightGray); drawLineThick(g, x2+30, y2+70, x2+24, y2+64, 2, Color.lightGray); g.setFont(new Font("Serif",Font.BOLD | Font.ITALIC,19)); g.setColor(Color.gray); s = "z"; nextX = STR.displayString(s,g,(int)x2+9,(int)y1-15); drawLineThick(g, x2, y1-20, x2, y2, 2, Color.lightGray); // z drawLineThick(g, x2, y1-20, x2+3, y1-10, 2, Color.lightGray); drawLineThick(g, x2, y1-20, x2-3, y1-10, 2, Color.lightGray); g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.PLAIN,12)); s = "\u2022"; nextX = STR.displayString(s,g,(int)x1-3,(int)y2+35); */ g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } public void drawCopyRight(Graphics g) { int deltaY = 20; int startingY = getSize().height - 70; int startingX = 0; FontMetrics fm; g.setColor(Color.black); g.setColor(Color.black); //g.setFont(normalfont14); //g.setFont(state.ttfFont.deriveFont(14f)); g.setFont(new Font("SanSerif",Font.PLAIN,14)); fm = g.getFontMetrics(); g.drawString("Applet Design: Umberto Ravaioli", startingX+10,startingY+deltaY); //MaestroG.superscripter("Interactive Java","TM"," platform: www.amanogawa.com", // g,14,startingX,startingY+2*deltaY); String s = "Interactive Java"+STR.SUP+"TM"+STR.ENDSUP+" platform: www.amanogawa.com"; int nextX = STR.displayString(s,g,startingX+10,startingY+2*deltaY); int lineLength = fm.stringWidth("Interactive JavaTM platform: www.amanogawa.com"); lineLength+= 10; //g.setFont(state.ttfFont.deriveFont(14f)); g.drawString("All Rights Reserved",startingX+10,startingY+3*deltaY); g.drawLine(startingX,startingY+5, startingX+lineLength+10,startingY+5); g.drawLine(startingX+lineLength+10,startingY+5, startingX+lineLength+10,startingY+4*deltaY); } public void changeBorderSize(int size){ setBorder(BorderFactory.createLineBorder(Color.RED,size)); } public void drawLineThick(Graphics g, double x1, double y1, double x2, double y2, int thick, Color color){ Graphics2D g2d = (Graphics2D)g; g2d.setPaint(color); g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND)); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); Line2D.Double line = new Line2D.Double(x1,y1,x2,y2); g2d.draw(line); g2d.setStroke(new BasicStroke(1)); //g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } private void drawDashLineThick(Graphics g, double x1, double y1, double x2, double y2, int thick, int dash, Color color){ Graphics2D g2d = (Graphics2D)g; g2d.setPaint(color); g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND)); float[] dashPattern = {dash,dash}; g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_BUTT,BasicStroke.JOIN_MITER,10.0F,dashPattern,0)); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); Line2D.Double line = new Line2D.Double(x1,y1,x2,y2); g2d.draw(line); g2d.setStroke(new BasicStroke(1));g2d.setStroke(new BasicStroke(thick,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND)); //g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } } // This is to close the Window --------------------- public void windowClosing(WindowEvent e) { dispose(); System.exit(0); } public void windowOpened(WindowEvent evt){} public void windowIconified(WindowEvent evt){} public void windowClosed(WindowEvent evt){} public void windowDeiconified(WindowEvent evt){} public void windowActivated(WindowEvent evt){} public void windowDeactivated(WindowEvent evt){} //--------------------------------------------------- void updateTime(){ if(!running)return; jslider_mydistance.setValue((int)(vc.distance)); vc.repaint(); distance = vc.distance; pp.setmydistance(distance); pp.repaint(); } private void guiInit(){ setLayout(null); vc = new VectorCanvas(); add(vc); Dimension dim = getSize(); pp = new PaintPanel(); //pp.setBounds(12,425,299,140); pp.setBounds(12,380,299,190); pp.setBackground(Color.white); add(pp); jclose = new JButton("Close"); jclose.setBounds(600,560,70,25); add(jclose); jclose.setVisible(false); pp2 = new PaintPanel2(); pp2.setBounds(10,55,910,556); pp2.setBackground(new Color(255,255,245)); //pp2.setBorder(BorderFactory.createLineBorder(Color.gray,1)); add(pp2); pp2.setVisible(false); Nside = 600; Nside1 = 770; Nside2 = 520; vc.setBounds(320,11,Nside,Nside); p_one = new Panel(); p_one.setBackground(Color.black); add(p_one); p_one.setBounds(319,10,Nside+2,Nside+2); jtitle1 = new JLabel("Module 5.4"); jtitle1.setFont(new Font("Helvetica",Font.PLAIN,14)); jtitle1.setBounds(25,20,80,15); jtitle1.setForeground(Color.black); add(jtitle1); jtitle2 = new JLabel("Current Loop"); jtitle2.setFont(new Font("Helvetica",Font.BOLD,16)); jtitle2.setBounds(140,20,250,25); jtitle2.setForeground(Color.red.darker()); //add(jtitle2); jtitle2a = new JLabel("Magnetic Force Between"); jtitle2a.setFont(new Font("Helvetica",Font.BOLD,13)); jtitle2a.setBounds(140,14,250,15); jtitle2a.setForeground(Color.red.darker()); add(jtitle2a); jtitle2b = new JLabel("Two Parallel Conductors"); jtitle2b.setFont(new Font("Helvetica",Font.BOLD,13)); jtitle2b.setBounds(140,27,250,20); jtitle2b.setForeground(Color.red.darker()); add(jtitle2b); jslider_mydistance = new JSlider(0,1000,500); //jslider_mydistance.setBounds(29,80,265,55); jslider_mydistance.setBounds(30,80,270,50); add(jslider_mydistance); jslider_mydistance.setMajorTickSpacing(500); jslider_mydistance.setMinorTickSpacing(100); jslider_mydistance.setPaintTicks(true); jslider_mydistance.setPaintLabels(true); jslider_mydistance.setBackground(Color.white); //Compiler says the assignment below is "unsafe". Why? //Straight out of "Swing A Beginner's Guide"... // obsolete? Hashtable table = new Hashtable(); table.put(new Integer(0), new JLabel("0.0")); table.put(new Integer(500), new JLabel("0.5")); table.put(new Integer(1000), new JLabel("1.0")); jslider_mydistance.setLabelTable(table); jslider_mydistance2 = new JSlider(0,1998,999); jslider_mydistance2.setBounds(30,130,270,20); //add(jslider_mydistance2); jslider_mydistance2.setMajorTickSpacing(500); jslider_mydistance2.setMinorTickSpacing(100); jslider_mydistance2.setPaintTicks(false); jslider_mydistance2.setPaintLabels(false); jslider_mydistance2.setBackground(Color.white); // thin panel to make horizontal lines jline1.setBounds(20,135,285,1); jline1.setOpaque(true); jline1.setBackground(Color.gray); add(jline1); // This is used for the current jslider_CurrentA = new JSlider(0,2000,1100); jslider_CurrentA.setBounds(30,160,270,50); add(jslider_CurrentA); jslider_CurrentA.setMajorTickSpacing(500); jslider_CurrentA.setMinorTickSpacing(100); jslider_CurrentA.setPaintTicks(true); jslider_CurrentA.setPaintLabels(true); jslider_CurrentA.setBackground(Color.white); Hashtable table3 = new Hashtable(); table3.put(new Integer(0), new JLabel("-10.0")); table3.put(new Integer(1000), new JLabel("0.0")); table3.put(new Integer(2000), new JLabel("10.0")); jslider_CurrentA.setLabelTable(table3); // This is used for the current jslider_CurrentB = new JSlider(0,2000,1100); jslider_CurrentB.setBounds(30,240,270,50); add(jslider_CurrentB); jslider_CurrentB.setMajorTickSpacing(500); jslider_CurrentB.setMinorTickSpacing(100); jslider_CurrentB.setPaintTicks(true); jslider_CurrentB.setPaintLabels(true); jslider_CurrentB.setBackground(Color.white); Hashtable table5 = new Hashtable(); table5.put(new Integer(0), new JLabel("-10.0")); table5.put(new Integer(1000), new JLabel("0.0")); table5.put(new Integer(2000), new JLabel("10.0")); jslider_CurrentB.setLabelTable(table5); jslider_epsilon_r = new JSlider(1000,10000,1100); jslider_epsilon_r.setBounds(30,140,270,20); //add(jslider_epsilon_r); jslider_epsilon_r.setMajorTickSpacing(50); jslider_epsilon_r.setMinorTickSpacing(10); jslider_epsilon_r.setPaintTicks(false); jslider_epsilon_r.setPaintLabels(false); jslider_epsilon_r.setBackground(Color.white); jslider_WireLength = new JSlider(0,1000,500); jslider_WireLength.setBounds(30,320,270,50); add(jslider_WireLength); jslider_WireLength.setMajorTickSpacing(500); jslider_WireLength.setMinorTickSpacing(100); jslider_WireLength.setPaintTicks(true); jslider_WireLength.setPaintLabels(true); jslider_WireLength.setBackground(Color.white); Hashtable table7 = new Hashtable(); table7.put(new Integer(0), new JLabel("0.0")); table7.put(new Integer(500), new JLabel("0.5")); table7.put(new Integer(1000), new JLabel("1.0")); jslider_WireLength.setLabelTable(table7); jslider_radius = new JSlider(10,100,50); jslider_radius.setBounds(30,240,270,50); //add(jslider_radius); jslider_radius.setMajorTickSpacing(50); jslider_radius.setMinorTickSpacing(10); jslider_radius.setPaintTicks(true); jslider_radius.setPaintLabels(true); jslider_radius.setBackground(Color.white); Hashtable table2 = new Hashtable(); table2.put(new Integer(10), new JLabel("0.01")); table2.put(new Integer(50), new JLabel("0.05")); table2.put(new Integer(100), new JLabel("0.1")); jslider_radius.setLabelTable(table2); jslider_kphi = new JSlider(0,3600,0); jslider_kphi.setBounds(30,320,270,50); add(jslider_kphi); jslider_kphi.setMajorTickSpacing(1800); jslider_kphi.setMinorTickSpacing(450); jslider_kphi.setPaintTicks(true); jslider_kphi.setPaintLabels(true); jslider_kphi.setBackground(Color.white); Hashtable table4 = new Hashtable(); table4.put(new Integer(0), new JLabel("0.0")); table4.put(new Integer(1800), new JLabel("180")); table4.put(new Integer(3600), new JLabel("360")); jslider_kphi.setLabelTable(table4); jslider_Ephi = new JSlider(0,3600,0); jslider_Ephi.setBounds(170,280,130,20); //add(jslider_Ephi); //jslider_Ephi.setMajorTickSpacing(50); //jslider_Ephi.setMinorTickSpacing(10); jslider_Ephi.setPaintTicks(false); jslider_Ephi.setPaintLabels(false); jslider_Ephi.setBackground(Color.white); jInstructions = new JButton("Instructions"); //jInstructions.setPreferredSize(new Dimension(70,25)); jInstructions.setBounds(50,575,110,25); add(jInstructions); //-------------------------------------------------------------------------- jline2.setBounds(20,215,285,1); jline2.setOpaque(true); jline2.setBackground(Color.gray); add(jline2); jline3.setBounds(20,295,285,1); jline3.setOpaque(true); jline3.setBackground(Color.gray); add(jline3); jline4.setBounds(20,375,285,1); jline4.setOpaque(true); jline4.setBackground(Color.gray); add(jline4); //-------------------------------------------------------------------------- jLabels = new JCheckBox("Show Labels on Graph"); //add(jLabels); jLabels.setSelected(true); jLabels.setBounds(40,378,200,22); jLabels.setBackground(Color.white); //jLabels.addItemListener(this); Field[0] = new JRadioButton("B\u2081", false); Field[0].setContentAreaFilled(false); Field[0].setFont(new Font("Serif",Font.BOLD,18)); //Field[0].addItemListener(this); field_power.add(Field[0]); add(Field[0]); Field[1] = new JRadioButton("B\u2082", true); Field[1].setContentAreaFilled(false); Field[1].setFont(new Font("Serif",Font.BOLD,18)); //Field[1].addItemListener(this); field_power.add(Field[1]); add(Field[1]); Field[0].setBounds(180,575,70,30); Field[1].setBounds(240,575,70,30); //------------------------------------------------------------------------- jlab_mydistance = new JLabel("Distance d = 0.5 [m]"); jlab_mydistance.setFont(new Font("Serif",Font.BOLD,16)); jlab_mydistance.setBounds(40,53,200,30); jlab_mydistance.setForeground(Color.red.darker()); add(jlab_mydistance); jlab_epsilon = new JLabel("\u03b5"); jlab_epsilon.setFont(new Font("Serif",Font.BOLD,20)); jlab_epsilon.setBounds(40,110,10,30); jlab_epsilon.setForeground(Color.red.darker()); //add(jlab_epsilon); jlab_epsilon2 = new JLabel("r"); jlab_epsilon2.setFont(new Font("Serif",Font.BOLD,16)); jlab_epsilon2.setBounds(50,115,10,30); jlab_epsilon2.setForeground(Color.red.darker()); //add(jlab_epsilon2); jlab_epsilon3 = new JLabel(" = 1.0"); jlab_epsilon3.setFont(new Font("Serif",Font.BOLD,16)); jlab_epsilon3.setBounds(60,113,200,30); jlab_epsilon3.setForeground(Color.red.darker()); //add(jlab_epsilon3); jlab_radius = new JLabel("Loop Radius a = 0.05 [m]"); jlab_radius.setFont(new Font("Serif",Font.BOLD,16)); jlab_radius.setBounds(40,213,200,30); jlab_radius.setForeground(Color.red.darker()); //add(jlab_radius); jlab_WireLength = new JLabel("Wire Length"); jlab_WireLength.setFont(new Font("Serif",Font.BOLD,16)); jlab_WireLength.setBounds(40,293,260,30); jlab_WireLength.setForeground(Color.red.darker()); add(jlab_WireLength); jlab_WireLength2 = new JLabel("l"); jlab_WireLength2.setFont(new Font("Serif",Font.BOLD | Font.ITALIC,20)); jlab_WireLength2.setBounds(140,293,260,30); jlab_WireLength2.setForeground(Color.red.darker()); add(jlab_WireLength2); jlab_WireLength3 = new JLabel(" = 0.5 [m]"); jlab_WireLength3.setFont(new Font("Serif",Font.BOLD,16)); jlab_WireLength3.setBounds(150,293,260,30); jlab_WireLength3.setForeground(Color.red.darker()); add(jlab_WireLength3); jlab_phi = new JLabel("Angle of integration \u03c6 = 0.0\u00ba"); jlab_phi.setFont(new Font("Serif",Font.BOLD,16)); jlab_phi.setBounds(40,293,260,30); jlab_phi.setForeground(Color.red.darker()); //add(jlab_phi); jlab_CurrA = new JLabel("Current I"); jlab_CurrA.setFont(new Font("Serif",Font.BOLD,16)); jlab_CurrA.setBounds(40,133,200,30); jlab_CurrA.setForeground(Color.red.darker()); add(jlab_CurrA); jlab_CurrA2 = new JLabel("1"); jlab_CurrA2.setFont(new Font("Serif",Font.BOLD,16)); jlab_CurrA2.setBounds(111,138,200,30); jlab_CurrA2.setForeground(Color.red.darker()); add(jlab_CurrA2); jlab_CurrA3 = new JLabel(" = 1.0 [A]"); jlab_CurrA3.setFont(new Font("Serif",Font.BOLD,16)); jlab_CurrA3.setBounds(121,133,200,30); jlab_CurrA3.setForeground(Color.red.darker()); add(jlab_CurrA3); jlab_CurrB = new JLabel("Current I"); jlab_CurrB.setFont(new Font("Serif",Font.BOLD,16)); jlab_CurrB.setBounds(40,213,200,30); jlab_CurrB.setForeground(Color.red.darker()); add(jlab_CurrB); jlab_CurrB2 = new JLabel("2"); jlab_CurrB2.setFont(new Font("Serif",Font.BOLD,16)); jlab_CurrB2.setBounds(111,218,200,30); jlab_CurrB2.setForeground(Color.red.darker()); add(jlab_CurrB2); jlab_CurrB3 = new JLabel(" = 1.0 [A]"); jlab_CurrB3.setFont(new Font("Serif",Font.BOLD,16)); jlab_CurrB3.setBounds(121,213,200,30); jlab_CurrB3.setForeground(Color.red.darker()); add(jlab_CurrB3); jlab_rotate = new JLabel("\u03c8 = 0.0\u00ba"); jlab_rotate.setFont(new Font("Serif",Font.BOLD,16)); jlab_rotate.setBounds(1,193,200,30); jlab_rotate.setForeground(Color.red.darker()); //add(jlab_rotate); jlambda = new JLabel(""); jlambda.setFont(new Font("Serif",Font.BOLD,15)); //jlambda.setBounds(480,Nside + 24,20,30); jlambda.setBounds(292,356,20,30); //add(jlambda); // My own border... much easier!!! JUST MADE WITH PANELS jtitlep1.setBounds(9,9,305,1); jtitlep1.setOpaque(true); jtitlep1.setBackground(Color.white); add(jtitlep1); jtitlep2.setBounds(12,46,300,1); jtitlep2.setOpaque(true); jtitlep2.setBackground(Color.white); add(jtitlep2); jtitlep3.setBounds(9,9,1,40); jtitlep3.setOpaque(true); jtitlep3.setBackground(Color.white); add(jtitlep3); jtitlep4.setBounds(311,12,1,35); jtitlep4.setOpaque(true); jtitlep4.setBackground(Color.white); add(jtitlep4); jtitle.setBounds(9,9,305,40); jtitle.setBorder(BorderFactory.createLineBorder(Color.gray,3)); //jtitle.setBorder(BorderFactory.createEtchedBorder()); jtitle.setOpaque(true); add(jtitle); jcontrols.setBounds(9,54,305,558); jcontrols.setBorder(BorderFactory.createLineBorder(Color.black)); jcontrols.setBackground(Color.white); jcontrols.setOpaque(true); add(jcontrols); // Make background of Instructions panel jInst4.setBounds(10,54,310,1); jInst4.setOpaque(true); jInst4.setBackground(Color.black); add(jInst4); jInst4.setVisible(true); jInst6.setBounds(319,10,1,45); jInst6.setOpaque(true); jInst6.setBackground(Color.black); add(jInst6); jInst6.setVisible(true); jInst3.setBounds(9,49,310,5); jInst3.setOpaque(true); jInst3.setBackground(Color.cyan); add(jInst3); jInst3.setVisible(true); jInst5.setBounds(314,10,5,45); jInst5.setOpaque(true); jInst5.setBackground(Color.cyan); add(jInst5); jInst5.setVisible(true); jInst2.setBounds(9,10,912,602); jInst2.setOpaque(true); jInst2.setBorder(BorderFactory.createLineBorder(Color.black)); jInst2.setBackground(new Color(255,255,245)); add(jInst2); jInst2.setVisible(true); jInstructionspanel.setBounds(3,3,924,615); jInstructionspanel.setOpaque(true); //jInstructionspanel.setBorder(BorderFactory.createLineBorder(Color.black)); jInstructionspanel.setBackground(Color.cyan); add(jInstructionspanel); jInstructionspanel.setVisible(true); jInstructions.setVisible(false); pp.setVisible(false); vc.setVisible(false); jslider_mydistance.setVisible(false); jslider_WireLength.setVisible(false); jlab_mydistance.setVisible(false); jslider_mydistance2.setVisible(false); jslider_epsilon_r.setVisible(false); jlab_epsilon.setVisible(false); jlab_epsilon2.setVisible(false); jlab_epsilon3.setVisible(false); jlab_radius.setVisible(false); jlab_phi.setVisible(false); jlab_WireLength.setVisible(false); jlab_CurrA.setVisible(false); jlab_CurrB.setVisible(false); jlab_rotate.setVisible(false); jLabels.setVisible(false); Field[0].setVisible(false); Field[1].setVisible(false); jslider_radius.setVisible(false); jslider_kphi.setVisible(false); jslider_CurrentA.setVisible(false); jslider_CurrentB.setVisible(false); //jslider_Ephase.setVisible(false); jslider_Ephi.setVisible(false); jlambda.setVisible(false); jcontrols.setVisible(false); jline1.setVisible(false); jline2.setVisible(false); p_one.setVisible(false); jcontrols2.setVisible(false); jInstructionspanel.setVisible(true); jInst2.setVisible(true); jInst3.setVisible(true); jInst4.setVisible(true); jInst5.setVisible(true); jInst6.setVisible(true); jclose.setVisible(true); pp2.setVisible(true); jback2.setBounds(3,3,924,615); jback2.setOpaque(true); jback2.setBackground(Color.cyan); add(jback2); jback1.setBounds(0,0,930,621); jback1.setOpaque(true); jback1.setBackground(Color.black); add(jback1); jback3.setBounds(0,0,1200,700); jback3.setOpaque(true); jback3.setBackground(Color.white); add(jback3); jslider_radius.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce) { vc.radius_loop = jslider_radius.getValue()*0.001; vc.repaint(); jlab_radius.setText("Loop Radius a = "+MaestroA.rounder(vc.radius_loop,3)+" [m]"); pp.repaint(); } } ); jslider_kphi.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce) { vc.phi_rate = jslider_kphi.getValue()*0.001/3.6; vc.repaint(); jlab_phi.setText("Angle of integration \u03c6 = "+MaestroA.rounder(vc.phi_rate*360,3)+"\u00ba"); pp.repaint(); } } ); jslider_Ephi.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce) { vc.phi_rateE = jslider_Ephi.getValue()*0.001/3.6; vc.repaint(); jlab_rotate.setText("\u03c8 = "+MaestroA.rounder(vc.phi_rateE*360,3)+"\u00ba"); pp.repaint(); } } ); jslider_mydistance.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce) { if(jslider_mydistance.getValue() == 0){ vc.distance = 0.001; } else{ vc.distance = ((jslider_mydistance.getValue())*0.001); } vc.repaint(); distance = vc.distance; pp.setmydistance(distance); pp.repaint(); jlab_mydistance.setText("Distance d = "+MaestroA.rounder(vc.distance,3)+" [m]"); } } ); jslider_WireLength.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce) { if(jslider_WireLength.getValue() == 0){ vc.WireLength = 0.001; } else{ vc.WireLength = ((jslider_WireLength.getValue())*0.001); } vc.repaint(); pp.repaint(); jlab_WireLength3.setText(" = "+MaestroA.rounder(vc.WireLength,3)+" [m]"); } } ); jslider_mydistance2.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce) { //if(jslider_mydistance.getValue() = 5){ vc.distance = (jslider_mydistance.getValue()*0.1 - 0.5 + 0.001*(jslider_mydistance2.getValue()-999)); vc.repaint(); distance = vc.distance; pp.setmydistance(distance); pp.repaint(); jlab_mydistance.setText("z-axis location = "+MaestroA.rounder(vc.distance,3)+" [m]"); //} //else{ // vc.distance = (0.001*(jslider_mydistance2.getValue()-999)); // vc.repaint(); // distance = vc.distance; // pp.setmydistance(distance); // pp.repaint(); // jlab_mydistance.setText("z-axis location = "+MaestroA.rounder(vc.distance*1000.0,1)+" [m]"); //} } } ); jslider_epsilon_r.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce) { vc.Current = (jslider_CurrentA.getValue()*0.01); jlab_CurrA.setText("Loop Current I = "+MaestroA.rounder(vc.Current,3)+" [A]"); vc.repaint(); pp.repaint(); jlab_epsilon3.setText(" = "+MaestroA.rounder(vc.epsilon_r,2)); } } ); jslider_CurrentA.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce){ vc.Current1 = (jslider_CurrentA.getValue()*0.01 - 10.0); jlab_CurrA3.setText(" = "+MaestroA.rounder(vc.Current1,3)+" [A]"); vc.repaint(); pp.repaint(); } } ); jslider_CurrentB.addChangeListener( new ChangeListener(){ public void stateChanged(ChangeEvent ce){ vc.Current2 = (jslider_CurrentB.getValue()*0.01 - 10.0); jlab_CurrB3.setText(" = "+MaestroA.rounder(vc.Current2,3)+" [A]"); vc.repaint(); pp.repaint(); } } ); jInstructions.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent ae){ jInstructions.setVisible(false); pp.setVisible(false); vc.setVisible(false); jslider_mydistance.setVisible(false); jlab_mydistance.setVisible(false); jslider_WireLength.setVisible(false); jlab_WireLength.setVisible(false); jslider_mydistance2.setVisible(false); jslider_epsilon_r.setVisible(false); jlab_epsilon.setVisible(false); jlab_epsilon2.setVisible(false); jlab_epsilon3.setVisible(false); jlab_radius.setVisible(false); //jlab_phi.setVisible(false); jlab_CurrA.setVisible(false); jlab_CurrB.setVisible(false); jlab_rotate.setVisible(false); jLabels.setVisible(false); Field[0].setVisible(false); Field[1].setVisible(false); jslider_radius.setVisible(false); //jslider_kphi.setVisible(false); jslider_CurrentA.setVisible(false); jslider_CurrentB.setVisible(false); jslider_Ephi.setVisible(false); jlambda.setVisible(false); jcontrols.setVisible(false); jline1.setVisible(false); jline2.setVisible(false); p_one.setVisible(false); jcontrols2.setVisible(false); jInstructionspanel.setVisible(true); jInst2.setVisible(true); jInst3.setVisible(true); jInst4.setVisible(true); jInst5.setVisible(true); jInst6.setVisible(true); jclose.setVisible(true); pp2.setVisible(true); if(vc.enter_E){ //jlab_CurrA.setText("Loop Current I = "+MaestroA.rounder(vc.Current,3)+" [A]"); vc.repaint(); pp.repaint(); } else{ vc.repaint(); pp.repaint(); } } }); jclose.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent ae){ jInstructions.setVisible(true); pp.setVisible(true); vc.setVisible(true); jslider_mydistance.setVisible(true); jlab_mydistance.setVisible(true); jslider_WireLength.setVisible(true); jlab_WireLength.setVisible(true); jslider_mydistance2.setVisible(true); jslider_epsilon_r.setVisible(true); jlab_epsilon.setVisible(true); jlab_epsilon2.setVisible(true); jlab_epsilon3.setVisible(true); jlab_radius.setVisible(true); //jlab_phi.setVisible(true); jlab_CurrA.setVisible(true); jlab_CurrB.setVisible(true); jlab_rotate.setVisible(true); jLabels.setVisible(true); Field[0].setVisible(true); Field[1].setVisible(true); jslider_radius.setVisible(true); //jslider_kphi.setVisible(true); jslider_CurrentA.setVisible(true); jslider_CurrentB.setVisible(true); jslider_Ephi.setVisible(true); jtitle1.setVisible(true); jtitle2.setVisible(true); jtitle.setVisible(true); jcontrols.setVisible(true); jline1.setVisible(true); jline2.setVisible(true); jtitlep1.setVisible(true); jtitlep2.setVisible(true); jtitlep3.setVisible(true); jtitlep4.setVisible(true); jtitlep5.setVisible(true); jtitlep6.setVisible(true); jtitlep7.setVisible(true); jtitlep8.setVisible(true); p_one.setVisible(true); jcontrols2.setVisible(true); jInstructionspanel.setVisible(false); jInst2.setVisible(false); jInst3.setVisible(false); jInst4.setVisible(false); jInst5.setVisible(false); jInst6.setVisible(false); jclose.setVisible(false); pp2.setVisible(false); } }); jLabels.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent ae){ if(vc.ShowLabels){ vc.ShowLabels = false; } else{ vc.ShowLabels = true; } vc.repaint(); pp.repaint(); } }); Field[0].addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent ae){ vc.enter_E = true; vc.repaint(); pp.repaint(); } }); Field[1].addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent ae){ vc.enter_E = false; vc.repaint(); pp.repaint(); } }); } public void start(){} public void stop(){} public void destroy(){} }