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  1. 08-31-2010, 08:59 AM #1
    indra-uolles
    indra-uolles is offline Member
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    Default jTextPane doesn't show HTML

    Hello,
    does anyone know why jTextPane1 doesn't show htmlString - after calling SetGivenContent(1)?

    Java Code: 
    package javaapplication7;
import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.*;
import java.awt.event.*;
import javax.swing.Box;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import java.awt.ScrollPane;
import javax.swing.ScrollPaneConstants;
import javax.swing.text.html.HTMLEditorKit;

public class TaskFrame {
JFrame jFrame1=new JFrame();
JPanel mainPanel=new JPanel();
JPanel jPanel1=new JPanel();
JPanel jPanel2=new JPanel();
JLabel jLabel1=new JLabel();
JPanel jPanel3=new JPanel();
JPanel jPanel4=new JPanel();
JPanel jPanel5=new JPanel();
JPanel jPanel6=new JPanel();
JPanel jPanel7=new JPanel();
JPanel jPanel8=new JPanel();
JPanel jPanel9=new JPanel();
JPanel jPanel10=new JPanel();
JLabel jLabel2=new JLabel();
JTextPane jTextPane1=new JTextPane();
JButton jButton1=new JButton();
JScrollPane jScrollPane1;
JScrollPane jScrollPane2=new JScrollPane(jPanel4);
JScrollPane jScrollPane3=new JScrollPane(jPanel9);
JLabel jLabel3=new JLabel();
JLabel jLabel4=new JLabel();
JLabel jLabel5=new JLabel();
//
JLabel jLabel6=new JLabel();
JLabel jLabel7=new JLabel();
JLabel jLabel8=new JLabel();
JLabel jLabel9=new JLabel();
JLabel jLabel10=new JLabel();
//

public void SetGivenContent(int taskNum)
{
    HTMLEditorKit htmlEditorKit = new HTMLEditorKit();
   // jTextPane1.setContentType("text/html");
    jTextPane1.setEditorKit(htmlEditorKit);
    String htmlString="";
    if (taskNum==1)
    {
        htmlString="<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n";
        htmlString=htmlString+"<html>\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=windows-1251\">\n";
        htmlString=htmlString+"<style type=\"text/css\">\nPT{\nfont-size: 120%;\nfont-family: Times New Roman, Tahoma, Arial;\ncolor: #336;\n}\n";
        htmlString=htmlString+"</style>\n</head>\n<body>\n<PT>blah-blah. ";
        htmlString=htmlString+"blah-blah.</PT>\n";
        htmlString=htmlString+"</body>\n</html>\n";
    }
    jTextPane1.setText(htmlString);
}



public void Init(int TaskNum){
mainPanel.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
///////////////////////////////////////////////////////////////////////////////////////
jPanel2.setLayout(new BoxLayout(jPanel2, BoxLayout.Y_AXIS));
jLabel1.setText("Given");
jTextPane1.setBackground(Color.white);
SetGivenContent(1);
jScrollPane1=new JScrollPane(jTextPane1);
jLabel1.setAlignmentX(1);
jScrollPane1.setAlignmentX(1);
jScrollPane1.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
jPanel2.add(jLabel1);
jPanel2.add(Box.createRigidArea(new Dimension(0,20)));
jPanel2.add(jScrollPane1);
///////////////////////////////////////////////////////////////////////////////////////
jPanel3.setLayout(new BoxLayout(jPanel3, BoxLayout.X_AXIS));
jLabel2.setText("Hints and explanations");
jButton1.setText("Hint");
jLabel2.setAlignmentY(0);
jButton1.setAlignmentY(0);
jPanel3.add(jButton1);
jPanel3.add(Box.createHorizontalGlue());
jPanel3.add(jLabel2);
jPanel5.setLayout(new BoxLayout(jPanel5, BoxLayout.Y_AXIS));
jPanel4.setBackground(Color.white);
jPanel5.add(jPanel3);
jPanel5.add(Box.createRigidArea(new Dimension(0,10)));
jScrollPane2.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
jPanel5.add(jScrollPane2);
///////////////////////////////////////////////////////////////////////////////////////
jPanel6.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
jPanel6.setLayout(new BoxLayout(jPanel6, BoxLayout.X_AXIS));
jPanel6.add(jPanel2);
jPanel6.add(Box.createRigidArea(new Dimension(40,0)));
jPanel6.add(jPanel5);
///////////////////////////////////////////////////////////////////////////////////////
jPanel7.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
jPanel7.setLayout(new BoxLayout(jPanel7, BoxLayout.X_AXIS));
jLabel5.setText("blah");
jLabel6.setText("blah");
jLabel7.setText("blah");
jLabel8.setText("blah");
jLabel9.setText("blah");
jLabel10.setText("blah");
jPanel7.add(jLabel5);
jPanel7.add(Box.createRigidArea(new Dimension(10,0)));
jPanel7.add(jLabel6);
jPanel7.add(Box.createRigidArea(new Dimension(10,0)));
jPanel7.add(jLabel7);
jPanel7.add(Box.createRigidArea(new Dimension(10,0)));
jPanel7.add(jLabel8);
jPanel7.add(Box.createRigidArea(new Dimension(10,0)));
jPanel7.add(jLabel9);
jPanel7.add(Box.createRigidArea(new Dimension(10,0)));
jPanel7.add(jLabel10);
///////////////////////////////////////////////////////////////////////////////////////
jPanel8.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
jPanel8.setLayout(new BoxLayout(jPanel8, BoxLayout.X_AXIS));
jLabel3.setText("Your grade: ");
jLabel4.setText("Workplace");
jPanel8.add(jLabel3);
jPanel8.add(Box.createHorizontalGlue());
jPanel8.add(jLabel4);
///////////////////////////////////////////////////////////////////////////////////////
jPanel10.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
jPanel10.setLayout(new BoxLayout(jPanel10, BoxLayout.Y_AXIS));
jPanel9.setBackground(Color.white);
jScrollPane3.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
jPanel10.add(jScrollPane3);
///////////////////////////////////////////////////////////////////////////////////////
mainPanel.add(jPanel6);
mainPanel.add(Box.createRigidArea(new Dimension(0,10)));
mainPanel.add(jPanel7);
mainPanel.add(Box.createRigidArea(new Dimension(0,10)));
mainPanel.add(jPanel8);
mainPanel.add(Box.createRigidArea(new Dimension(0,10)));
mainPanel.add(jPanel10);
jFrame1.setSize(1024, 760);
mainPanel.setSize(1024, 760);
jFrame1.add(mainPanel);
jFrame1.setVisible(true);
    }

}
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  2. 08-31-2010, 01:19 PM #2
    Drun's Avatar
    Drun
    Drun is offline Member
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    did you call the setContextType("text/html") to tell JTextPane that you are giving it HTML
    Michael P. O'Connor
    http://www.mikeoconnor.net
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  3. 08-31-2010, 01:24 PM #3
    indra-uolles
    indra-uolles is offline Member
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    Yes, I tried to call it and there was no effect, so I commented that line and tried to use HTMLEditorKit.
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  4. 08-31-2010, 01:51 PM #4
    indra-uolles
    indra-uolles is offline Member
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    There is something in htmlString that the compiler doesn't like;
    if I use htmlString="<html>Hallo world!</html>", then jTextPane1 shows that text.
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  5. 08-31-2010, 02:23 PM #5
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    Drun
    Drun is offline Member
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    Quote Originally Posted by indra-uolles View Post
    There is something in htmlString that the compiler doesn't like;
    if I use htmlString="<html>Hallo world!</html>", then jTextPane1 shows that text.
    Have you tried your HTML in a browser? how does it look?
    Michael P. O'Connor
    http://www.mikeoconnor.net
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  6. 08-31-2010, 02:29 PM #6
    indra-uolles
    indra-uolles is offline Member
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    Yes, I've tried it in a browser. It looks like this:
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