Extending JLabel in Java Swing to use a given font (super usage in extended classes)
0
I am trying to create a new class JXLabel which inherits JLabel. Difference is that this extended class will assign a default font for the label.
If I try this:
public class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
I would expect new labels created as JXLabel to have this default font, but they do not.
If I create a regular JLabel and do:
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
It works. Any tip on what is wrong in the extended class? Thanks.
java swing fonts jlabel
edited Nov 24 '18 at 5:31
Andrew Thompson
153k27163338
asked Nov 24 '18 at 5:15
M.E.M.E.
1,092628
add a comment |
0
I am trying to create a new class JXLabel which inherits JLabel. Difference is that this extended class will assign a default font for the label.
If I try this:
public class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
I would expect new labels created as JXLabel to have this default font, but they do not.
If I create a regular JLabel and do:
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
It works. Any tip on what is wrong in the extended class? Thanks.
java swing fonts jlabel
edited Nov 24 '18 at 5:31
Andrew Thompson
153k27163338
asked Nov 24 '18 at 5:15
M.E.M.E.
1,092628
For better help sooner, edit to add a Minimal, Complete, and Verifiable example or Short, Self Contained, Correct Example.
– Andrew Thompson
Nov 24 '18 at 5:36
add a comment |
0
0
0
I am trying to create a new class JXLabel which inherits JLabel. Difference is that this extended class will assign a default font for the label.
If I try this:
public class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
I would expect new labels created as JXLabel to have this default font, but they do not.
If I create a regular JLabel and do:
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
It works. Any tip on what is wrong in the extended class? Thanks.
java swing fonts jlabel
edited Nov 24 '18 at 5:31
Andrew Thompson
153k27163338
asked Nov 24 '18 at 5:15
M.E.M.E.
1,092628
I am trying to create a new class JXLabel which inherits JLabel. Difference is that this extended class will assign a default font for the label.
If I try this:
public class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
I would expect new labels created as JXLabel to have this default font, but they do not.
If I create a regular JLabel and do:
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
It works. Any tip on what is wrong in the extended class? Thanks.
java swing fonts jlabel
java swing fonts jlabel
edited Nov 24 '18 at 5:31
Andrew Thompson
153k27163338
asked Nov 24 '18 at 5:15
M.E.M.E.
1,092628
edited Nov 24 '18 at 5:31
Andrew Thompson
153k27163338
asked Nov 24 '18 at 5:15
M.E.M.E.
1,092628
edited Nov 24 '18 at 5:31
Andrew Thompson
153k27163338
edited Nov 24 '18 at 5:31
Andrew Thompson
153k27163338
edited Nov 24 '18 at 5:31
Andrew Thompson
153k27163338
153k27163338
asked Nov 24 '18 at 5:15
M.E.M.E.
1,092628
asked Nov 24 '18 at 5:15
M.E.M.E.
1,092628
asked Nov 24 '18 at 5:15
M.E.M.E.
1,092628
1,092628
For better help sooner, edit to add a Minimal, Complete, and Verifiable example or Short, Self Contained, Correct Example.
– Andrew Thompson
Nov 24 '18 at 5:36
add a comment |
For better help sooner, edit to add a Minimal, Complete, and Verifiable example or Short, Self Contained, Correct Example.
– Andrew Thompson
Nov 24 '18 at 5:36
For better help sooner, edit to add a Minimal, Complete, and Verifiable example or Short, Self Contained, Correct Example.
– Andrew Thompson
Nov 24 '18 at 5:36
For better help sooner, edit to add a Minimal, Complete, and Verifiable example or Short, Self Contained, Correct Example.
– Andrew Thompson
Nov 24 '18 at 5:36
add a comment |
1 Answer
1
active
oldest
votes
1
Here is a MCVE of the above code, testing the assertion that one way it works, while the other it doesn't. Here, it works by either setting the font of a standard JLabel or by using a JXLabel.
See if you can:
- Confirm the result on your machine
- If it works as expected, track down the difference in the original code.
import java.awt.*;
import javax.swing.*;
public class JXLabelTest {
public static void main(String args) {
Runnable r = () -> {
String s = "The quick brown fox jumps over the lazy dog";
JLabel myLabel = new JLabel(s);
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
JOptionPane.showMessageDialog(null, myLabel);
JOptionPane.showMessageDialog(null, new JXLabel(s));
};
SwingUtilities.invokeLater(r);
}
}
class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
answered Nov 24 '18 at 5:35
Andrew ThompsonAndrew Thompson
153k27163338
1
This works and helped me to locate the issue.
– M.E.
Nov 26 '18 at 14:30
add a comment |
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1 Answer
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1 Answer
1
active
oldest
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active
oldest
votes
active
oldest
votes
1
Here is a MCVE of the above code, testing the assertion that one way it works, while the other it doesn't. Here, it works by either setting the font of a standard JLabel or by using a JXLabel.
See if you can:
- Confirm the result on your machine
- If it works as expected, track down the difference in the original code.
import java.awt.*;
import javax.swing.*;
public class JXLabelTest {
public static void main(String args) {
Runnable r = () -> {
String s = "The quick brown fox jumps over the lazy dog";
JLabel myLabel = new JLabel(s);
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
JOptionPane.showMessageDialog(null, myLabel);
JOptionPane.showMessageDialog(null, new JXLabel(s));
};
SwingUtilities.invokeLater(r);
}
}
class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
answered Nov 24 '18 at 5:35
Andrew ThompsonAndrew Thompson
153k27163338
1
This works and helped me to locate the issue.
– M.E.
Nov 26 '18 at 14:30
add a comment |
1
Here is a MCVE of the above code, testing the assertion that one way it works, while the other it doesn't. Here, it works by either setting the font of a standard JLabel or by using a JXLabel.
See if you can:
- Confirm the result on your machine
- If it works as expected, track down the difference in the original code.
import java.awt.*;
import javax.swing.*;
public class JXLabelTest {
public static void main(String args) {
Runnable r = () -> {
String s = "The quick brown fox jumps over the lazy dog";
JLabel myLabel = new JLabel(s);
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
JOptionPane.showMessageDialog(null, myLabel);
JOptionPane.showMessageDialog(null, new JXLabel(s));
};
SwingUtilities.invokeLater(r);
}
}
class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
answered Nov 24 '18 at 5:35
Andrew ThompsonAndrew Thompson
153k27163338
1
This works and helped me to locate the issue.
– M.E.
Nov 26 '18 at 14:30
add a comment |
1
1
1
Here is a MCVE of the above code, testing the assertion that one way it works, while the other it doesn't. Here, it works by either setting the font of a standard JLabel or by using a JXLabel.
See if you can:
- Confirm the result on your machine
- If it works as expected, track down the difference in the original code.
import java.awt.*;
import javax.swing.*;
public class JXLabelTest {
public static void main(String args) {
Runnable r = () -> {
String s = "The quick brown fox jumps over the lazy dog";
JLabel myLabel = new JLabel(s);
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
JOptionPane.showMessageDialog(null, myLabel);
JOptionPane.showMessageDialog(null, new JXLabel(s));
};
SwingUtilities.invokeLater(r);
}
}
class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
answered Nov 24 '18 at 5:35
Andrew ThompsonAndrew Thompson
153k27163338
Here is a MCVE of the above code, testing the assertion that one way it works, while the other it doesn't. Here, it works by either setting the font of a standard JLabel or by using a JXLabel.
See if you can:
- Confirm the result on your machine
- If it works as expected, track down the difference in the original code.
import java.awt.*;
import javax.swing.*;
public class JXLabelTest {
public static void main(String args) {
Runnable r = () -> {
String s = "The quick brown fox jumps over the lazy dog";
JLabel myLabel = new JLabel(s);
myLabel.setFont(new Font("Segoe UI", Font.PLAIN, 6));
JOptionPane.showMessageDialog(null, myLabel);
JOptionPane.showMessageDialog(null, new JXLabel(s));
};
SwingUtilities.invokeLater(r);
}
}
class JXLabel extends JLabel {
Font f = new Font("Segoe UI", Font.PLAIN, 6);
public JXLabel() {
super();
this.setFont(f);
}
public JXLabel(Icon icon) {
super(icon);
this.setFont(f);
}
public JXLabel(Icon icon, int horizontalAlignment) {
super(icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text) {
super(text);
this.setFont(f);
}
public JXLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
this.setFont(f);
}
public JXLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
this.setFont(f);
}
}
answered Nov 24 '18 at 5:35
Andrew ThompsonAndrew Thompson
153k27163338
edited Nov 26 '18 at 14:41
answered Nov 24 '18 at 5:35
Andrew ThompsonAndrew Thompson
153k27163338
answered Nov 24 '18 at 5:35
Andrew ThompsonAndrew Thompson
153k27163338
answered Nov 24 '18 at 5:35
Andrew ThompsonAndrew Thompson
153k27163338
153k27163338
1
This works and helped me to locate the issue.
– M.E.
Nov 26 '18 at 14:30
add a comment |
1
This works and helped me to locate the issue.
– M.E.
Nov 26 '18 at 14:30
1
1
This works and helped me to locate the issue.
– M.E.
Nov 26 '18 at 14:30
This works and helped me to locate the issue.
– M.E.
Nov 26 '18 at 14:30
add a comment |
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For better help sooner, edit to add a Minimal, Complete, and Verifiable example or Short, Self Contained, Correct Example.
– Andrew Thompson
Nov 24 '18 at 5:36