How to make graph?
can anyone tell me how to show graph in the application and not using the java applets?thanks!
Now with pie-chart too, Mmm-mmm pies!import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class DynamicGraph extends JFrame implements ActionListener {
JButton button;
int []bar = new int[5];
float []flote = new float[5];
String str = "", title="";
String []barLabels = {"","","","",""};
String []percent = {"","","","",""};
JLabel []JLab = new JLabel[5];
JTextField titletxt;
JTextField []Text = new JTextField[5];
JTextField []labeltxt = new JTextField[5];
boolean pieChart;
public DynamicGraph() {
super("Dynamic Graph");
Container c = getContentPane();
JPanel panel = new JPanel(){
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D)g;
g2.setColor(new Color(223,222,224));
g2.fillRect(0,0,500,400);
g2.setColor(Color.orange);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90, -bar[0]);
g2.fillRect(270, 170, 30, 20);
else g2.fillRect(30, 150, bar[0], 30);
g2.setColor(Color.green);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90-bar[0], -bar[1]);
g2.fillRect(270, 210, 30, 20);
else g2.fillRect(30, 190, bar[1], 30);
g2.setColor(Color.red);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90-(bar[0]+bar[1]), -bar[2]);
g2.fillRect(270, 250, 30, 20);
else g2.fillRect(30, 230, bar[2], 30);
g2.setColor(Color.blue);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90-(bar[0]+bar[1]+bar[2]), -bar[3]);
g2.fillRect(270, 290, 30, 20);
else g2.fillRect(30, 270, bar[3], 30);
g2.setColor(Color.yellow);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90-(bar[0]+bar[1]+bar[2]+bar[3]), -bar[4]);
g2.fillRect(270, 330, 30, 20);
else g2.fillRect(30, 310, bar[4], 30);
g2.setColor(Color.black);
g2.setFont(new Font("Arial", Font.BOLD, 18));
if(pieChart) g2.drawString(title, 220, 142);
else g2.drawString(title, 50, 132);
g2.setFont(new Font("Arial", Font.PLAIN,16));
int temp=0;
if(pieChart) temp = 185;
else temp = 172;
for(int j=0; j <5; j++) {
if(pieChart) g2.drawString(barLabels[j]+percent[j], 305, temp);
else g2.drawString(barLabels[j]+percent[j], bar[j]+40, temp);
temp += 40;
if(!pieChart){
g2.drawLine(30, 130, 30, 350);
g2.drawLine(30, 345, 430, 345);
g2.drawLine(210, 345, 210, 350);
g2.drawLine(390, 345, 390, 350);
g2.setFont(new Font("Arial", Font.PLAIN,12));
g2.drawString("0%", 26, 362);
g2.drawString("25%", 113, 362);
g2.drawString("50%", 200, 362);
g2.drawString("75%", 287, 362);
g2.drawString("100%", 380, 362);
super.paintComponent(g2);
panel.setOpaque(false);
panel.setLayout(new FlowLayout() );
button = new JButton("Draw 1");
JLabel jLab = new JLabel("<html><font face='Arial'>Enter graph title here, then labels and<br>number values and press the button</font></html>");
titletxt = new JTextField(18);
panel.add(jLab);
panel.add(titletxt);
JLabel addNums = new JLabel("Labels: ");
panel.add(addNums);
for (int j=0; j<5; j++){
str = Integer.toString(j+1);
JLab[j] = new JLabel(str);
labeltxt[j] = new JTextField(6);
panel.add(JLab[j]);
panel.add(labeltxt[j]);
button.addActionListener(this);
JLabel labellers = new JLabel("Numbers");
panel.add(labellers);
for (int k=0; k<5; k++){
str = Integer.toString(k+1);
JLab[k] = new JLabel(" "+str+" ");
Text[k] = new JTextField(3);
panel.add(JLab[k]);
panel.add(Text[k]);
panel.add(button);
c.add(panel);
public void actionPerformed(ActionEvent e) {
String command = e.getActionCommand();
if(command.equals("Draw 1")){
button.setText("Draw 2");
pieChart=false;
try {
title = titletxt.getText();
if(title.length() <1)title ="No title submitted";
int temp =0;
java.text.DecimalFormat df = new java.text.DecimalFormat("#0.#");
for (int j=0; j<5; j++){
flote[j] = Float.parseFloat(Text[j].getText());
temp += (int)((flote[j]) +0.5);
for (int k=0; k<5; k++){
bar[k] = (int)(((flote[k]/temp) * 360)+0.5);
barLabels[k] = labeltxt[k].getText();
flote[k] = (flote[k]/temp) *100;
percent[k] = ": "+df.format(flote[k])+"%";
catch(Exception message){
title = "Oops! Complete all fields, enter numbers only";
if(command.equals("Draw 2")){
button.setText("Draw 1");
pieChart=true;
repaint();
public static void main(String[] args) {
DynamicGraph frame = new DynamicGraph();
frame.setSize(500,400);
frame.setLocation(200, 200);
frame.setResizable(false);
frame.setDefaultCloseOperation( EXIT_ON_CLOSE );
frame.setVisible(true);
}
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Hi ,
I am using jdev 11.1.1.6
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regards
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Message Edited by altenbach on 06-28-2008 01:32 AM
altenbach wrote:
jzhao wrote:
I use the property node but still don't get a good one.
I have no idea what that means! What kind of property??? What did you wire to it????
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Message Edited by altenbach on 06-28-2008 01:32 AM
altenbach wrote:
jzhao wrote:
I use the property node but still don't get a good one.
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How to make a Java program that recognises a function of two variables...
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First I will give an example and then do the question.
Ex1.
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Now I begin to explain my doubts.
See this program:
Ex2
* To change this template, choose Tools | Templates
* And open the template in the editor.
Encontrando_o_valor_de_y package;
* @ Author des Soldat Gottes
Import javax.swing.JOptionPane;
Public class (Main
* @ Param args the command line arguments
Public static void main (String [] args) (
Int x, y;
String x1;
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/ / Displays the value of 'y'
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It would be possible that?
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Thank you for your attention!
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Hi my name is vishal
For past 10 days i have been breaking my head on how to make column headers in table appear bold while datas in table appear regular from c# windows forms with sql server2008 using iTextSharp.
Given below is my code in c# on how i export datas from different tables in sql server to PDF report using iTextSharp:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.Diagnostics;
using System.IO;
namespace DRRS_CSharp
public partial class frmPDF : Form
public frmPDF()
InitializeComponent();
private void button1_Click(object sender, EventArgs e)
Document doc = new Document(PageSize.A4.Rotate());
var writer = PdfWriter.GetInstance(doc, new FileStream("AssignedDialyzer.pdf", FileMode.Create));
doc.SetMargins(50, 50, 50, 50);
doc.SetPageSize(new iTextSharp.text.Rectangle(iTextSharp.text.PageSize.LETTER.Width, iTextSharp.text.PageSize.LETTER.Height));
doc.Open();
PdfPTable table = new PdfPTable(6);
table.TotalWidth =530f;
table.LockedWidth = true;
PdfPCell cell = new PdfPCell(new Phrase("Institute/Hospital:AIIMS,NEW DELHI", FontFactory.GetFont("Arial", 14, iTextSharp.text.Font.BOLD, BaseColor.BLACK)));
cell.Colspan = 6;
cell.HorizontalAlignment = 0;
table.AddCell(cell);
Paragraph para=new Paragraph("DCS Clinical Record-Assigned Dialyzer",FontFactory.GetFont("Arial",16,iTextSharp.text.Font.BOLD,BaseColor.BLACK));
para.Alignment = Element.ALIGN_CENTER;
iTextSharp.text.Image png = iTextSharp.text.Image.GetInstance("logo5.png");
png.ScaleToFit(105f, 105f);
png.Alignment = Element.ALIGN_RIGHT;
SqlConnection conn = new SqlConnection("Data Source=NPD-4\\SQLEXPRESS;Initial Catalog=DRRS;Integrated Security=true");
SqlCommand cmd = new SqlCommand("Select d.dialyserID,r.errorCode,r.dialysis_date,pn.patient_first_name,pn.patient_last_name,d.manufacturer,d.dialyzer_size,r.start_date,r.end_date,d.packed_volume,r.bundle_vol,r.disinfectant,t.Technician_first_name,t.Technician_last_name from dialyser d,patient_name pn,reprocessor r,Techniciandetail t where pn.patient_id=d.patient_id and r.dialyzer_id=d.dialyserID and t.technician_id=r.technician_id and d.deleted_status=0 and d.closed_status=0 and pn.status=1 and r.errorCode<106 and r.reprocessor_id in (Select max(reprocessor_id) from reprocessor where dialyzer_id=d.dialyserID) order by pn.patient_first_name,pn.patient_last_name", conn);
conn.Open();
SqlDataReader dr;
dr = cmd.ExecuteReader();
table.AddCell("Reprocessing Date");
table.AddCell("Patient Name");
table.AddCell("Dialyzer(Manufacturer,Size)");
table.AddCell("No.of Reuse");
table.AddCell("Verification");
table.AddCell("DialyzerID");
while (dr.Read())
table.AddCell(dr[2].ToString());
table.AddCell(dr[3].ToString() +"_"+ dr[4].ToString());
table.AddCell(dr[5].ToString() + "-" + dr[6].ToString());
table.AddCell("@count".ToString());
table.AddCell(dr[12].ToString() + "-" + dr[13].ToString());
table.AddCell(dr[0].ToString());
dr.Close();
table.SpacingBefore = 15f;
doc.Add(para);
doc.Add(png);
doc.Add(table);
doc.Close();
System.Diagnostics.Process.Start("AssignedDialyzer.pdf");
if (MessageBox.Show("Do you want to save changes to AssignedDialyzer.pdf before closing?", "DRRS", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Exclamation) == DialogResult.Yes)
var writer2 = PdfWriter.GetInstance(doc, new FileStream("AssignedDialyzer.pdf", FileMode.Create));
else if (MessageBox.Show("Do you want to save changes to AssignedDialyzer.pdf before closing?", "DRRS", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Exclamation) == DialogResult.No)
this.Close();
The above code executes well with no problem at all!
As you can see the file to which i create and save and open my pdf report is
AssignedDialyzer.pdf.
The column headers of table in pdf report from c# windows forms using iTextSharp are
"Reprocessing Date","Patient Name","Dialyzer(Manufacturer,Size)","No.of Reuse","Verification" and
"DialyzerID".
However the problem i am facing is after execution and opening of document is my
column headers in table in pdf report from
c# and datas in it all appear in bold.
I have browsed through net regarding to solve this problem but with no success.
What i want is my pdf report from c# should be similar to following format which i was able to accomplish in vb6,adodb with MS access using iTextSharp.:
Given below is report which i have achieved from vb6,adodb with MS access using iTextSharp
I know that there has to be another way to solve my problem.I have browsed many articles in net regarding exporting sql datas to above format but with no success!
Is there is any another way to solve to my problem on exporting sql datas from c# windows forms using iTextSharp to above format given in the picture/image above?!
If so Then Can anyone tell me what modifications must i do in my c# code given above so that my pdf report from c# windows forms using iTextSharp will look similar to image/picture(pdf report) which i was able to accomplish from
vb6,adodb with ms access using iTextSharp?
I have approached Sound Forge.Net for help but with no success.
I hope anyone/someone truly understands what i am trying to ask!
I know i have to do lot of modifications in my c# code to achieve this level of perfection but i dont know how to do it.
Can anyone help me please! Any help/guidance in solving this problem would be greatly appreciated.
I hope i get a reply in terms of solving this problem.
vishalHi,
About iTextSharp component issue , I think this case is off-topic in here.
I suggest you consulting to compenent provider.
http://sourceforge.net/projects/itextsharp/
Regards,
Marvin
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Sorry for late replay i am trying this alos not set that page....
pageContext.forwardImmediatelyToCurrentPage(null, true, null);
and one more that kff field working is fine for ex display any text pled displayed properly and only problem is not set the value and HrSitKeyFlex6 and HrSitKeyFlex7 fields are perfectly get the values but not pront HrSitKeyFlex8 that only my issue....
Regards,
Srini -
How to make a JPanel selectable
When extending a JPanel and overriding the paintComponent() method the custom JPanel can not be selected so that it gets for example KeyEvents.
But if I make the new Class extend a JButton it gets of course selected and able to receive for example KeyEvents.
My question is therefore; what does the JButton implement that a JPanel doesn’t so that a JButton gets selectable? Or in other words; how to make a JPanel selectable?
Aleksander.Try this extended code. Only the first panel added can get the Focus.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Test extends JFrame
public Test()
setLocation(400,300);
setDefaultCloseOperation(EXIT_ON_CLOSE);
JPanel panel1 = new JPanel(new BorderLayout());
JPanel panel2 = new JPanel(new BorderLayout());
ImagePanel imgPanel = new ImagePanel();
panel1.setFocusable(true);
panel2.setFocusable(true);
panel1.setPreferredSize(new Dimension(0, 50));
panel2.setPreferredSize(new Dimension(0, 50));
panel1.setBorder(BorderFactory.createLineBorder(Color.RED, 4));
panel2.setBorder(BorderFactory.createLineBorder(Color.CYAN, 4));
imgPanel.setBorder(BorderFactory.createLineBorder(Color.BLACK, 4));
panel1.add(new JLabel("Panel 1"), BorderLayout.CENTER);
panel2.add(new JLabel("Panel 2"), BorderLayout.CENTER);
getContentPane().add(panel1, BorderLayout.NORTH);
getContentPane().add(panel2, BorderLayout.SOUTH);
getContentPane().add(imgPanel, BorderLayout.CENTER);
pack();
panel1.addKeyListener(new KeyAdapter(){
public void keyPressed(KeyEvent ke){
System.out.println("Panel1");}});
panel2.addKeyListener(new KeyAdapter(){
public void keyPressed(KeyEvent ke){
System.out.println("Panel2");}});
public static void main(String[] args){new Test().setVisible(true);}
class ImagePanel extends JPanel
Image img;
public ImagePanel()
setFocusable(true);
setPreferredSize(new Dimension(400,300));
try{img = javax.imageio.ImageIO.read(new java.net.URL(getClass().getResource("Test.gif"), "Test.gif"));}
catch(Exception e){/*handled in paintComponent()*/}
addKeyListener(new KeyAdapter(){
public void keyPressed(KeyEvent ke){
System.out.println("ImagePanel");}});
public void paintComponent(Graphics g)
if(img != null)
g.drawImage(img, 0,0,this.getWidth(),this.getHeight(),this);
else
g.drawString("This space for rent",50,50);
}
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