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hey aspire...need ur help once again..i have to change the textfield that i currently using for input to JtextArea...any pointer to note...cos i did some changes and my textarea just disappear...
* @(#)epitope1.java
*
*
* @author
* @version 1.00 2009/8/5
*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class epitope1 extends JApplet implements ActionListener, ItemListener {
// Graphical User Interface components
JLabel gene1Label, gene2Label;
JTextArea textField1;
JButton button;
JLabel outputArea;
JRadioButton hla1, hla2, hla3;
Container Panel;
LayoutManager Layout;
ButtonGroup Background;
// Other variables used;
String hold;
String hold2;
int len1, len2,i,j,k,m,n,o;
String output, str1, str2;
public void init()
{
/* Instantiation */
Layout = new FlowLayout ();
hla1 = new JRadioButton ("AGTCA", true);
hla2 = new JRadioButton ("TCGAC");
hla3 = new JRadioButton ("ATGCA");
Background = new ButtonGroup();
str2="AGTCA";
/* Location */
/* Decoration */
hla1.setForeground (Color.blue);
hla2.setForeground (Color.blue);
hla3.setForeground (Color.blue);
/* Configuration */
Background.add (hla1);
Background.add (hla2);
Background.add (hla3);
hla1.addItemListener (this);
hla2.addItemListener (this);
hla3.addItemListener (this);
Container c = getContentPane();
c.setLayout (Layout);
c.add (hla1);
c.add (hla2);
c.add (hla3);
c.setBackground (Color.white);
gene1Label = new JLabel(" Enter Sequence ");
c.add(gene1Label);
here--->textField1 = new JTextArea(80, 150);
JScrollPane areaScrollPane = new JScrollPane(textField1);
areaScrollPane.setVerticalScrollBarPolicy(
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
to here->areaScrollPane.setPreferredSize(new Dimension(250, 250));
button = new JButton("Submit");
button.addActionListener(this);
c.add(button);
outputArea = new JLabel();
c.add(outputArea);
outputArea.setText("This is output");
}
public void actionPerformed(ActionEvent evt)
{
showStatus("You clicked");str1 = textField1.getText();
output = str1.replaceAll(str2,
"<font color=\"yellow\">" + str2 + "</font>");
output = "<html>" + output + "</html>";
outputArea.setText(output);
}
public void itemStateChanged (ItemEvent e) {
ItemSelectable Source;
Source = e.getItemSelectable();
if (Source == hla1) {
str2 = "AGTCA";
} else if (Source == hla2) {
str2 = "TCGAC";
} else if (Source == hla3) {
str2 = "ATGCA";
}
}
}
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