Java Using NetBean Write a program that can dynamically change the font of a message. The font name or font size can be chosen from combo boxes. The font name can be Dialog, DialogInput, Monospaced, S...
Java Using NetBean
Write a program that can dynamically change the font of a
message. The font name or font size
can be chosen from combo boxes. The font name can be Dialog,
DialogInput, Monospaced,
Serif, or SansSerif. The font style can be selected as PLAIN, BOLD
and/or ITALIC.
Font myFont = new Font("Serif", Font.PLAIN,
12);
message.setFont(myFont);
Homework Answers
Below is the solution:
code:
FontChange.java:
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.WindowConstants;
/**
*
* @author nehal
*/
public class FontChange extends JFrame {
// Variables declaration - do not modify
private JComboBox cmbFontStyle;
private JComboBox cmbFontType;
private JLabel lblMessage;
// End of variables declaration
public FontChange() {
cmbFontType = new
JComboBox();
cmbFontStyle = new
JComboBox();
lblMessage = new JLabel();
// add the combo items to font
style
cmbFontType.addItem("Dialog");
cmbFontType.addItem("DialogInput");
cmbFontType.addItem("Monospaced");
cmbFontType.addItem("Serif");
cmbFontType.addItem("SansSerif");
// add the combo items to font
type
cmbFontStyle.addItem("PLAIN");
cmbFontStyle.addItem("BOLD");
cmbFontStyle.addItem("ITALIC");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
getContentPane().setLayout(new
GridLayout());
getContentPane().add(cmbFontType);
getContentPane().add(cmbFontStyle);
lblMessage.setText("Message");
getContentPane().add(lblMessage);
pack();
// create font type of
each
Font DialogPlain = new
Font("Dialog", Font.PLAIN, 18);
Font DialogBold = new
Font("Dialog", Font.BOLD, 18);
Font DialogItalic = new
Font("Dialog", Font.ITALIC, 18);
Font DialogDialogInputPlain =
new Font("DialogInput", Font.PLAIN, 18);
Font DialogDialogInputBold = new
Font("DialogInput", Font.BOLD, 18);
Font DialogDialogInputItalic = new
Font("DialogInput", Font.ITALIC, 18);
Font MonospacePlain = new
Font("Monospace", Font.PLAIN, 18);
Font MonospaceBold = new
Font("Monospace", Font.BOLD, 18);
Font MonospaceItalic = new
Font("Monospace", Font.ITALIC, 18);
Font SerifPlain = new
Font("Serif", Font.PLAIN, 18);
Font SerifBold = new Font("Serif",
Font.BOLD, 18);
Font SerifItalic = new
Font("Serif", Font.ITALIC, 18);
Font SansSerifPlain = new
Font("SansSerif", Font.PLAIN, 18);
Font SansSerifBold = new
Font("SansSerif", Font.BOLD, 18);
Font SansSerifItalic = new
Font("SansSerif", Font.ITALIC, 18);
// action listener for the font
type
// cmbFontType.addActionListener(new
ActionListener() {
// public void
actionPerformed(ActionEvent event) {
//
// Get the source of the component, which is our
combo
//
// box.
//
cmbFontType = (JComboBox)
event.getSource();
//
//
// Print the selected items and the action
command.
//
Object selectedFontType =
cmbFontType.getSelectedItem();
//
Object selectedFontStyle =
cmbFontStyle.getSelectedItem();
//
//
System.out.println("selectedFontType\n");
//
System.out.println("selectedFontType" +
selectedFontType);
//
System.out.println("selectedFontStyle" +
selectedFontStyle);
//
//
if (selectedFontStyle.equals("Dialog")
&& selectedFontType.equals("PLAIN")) {
//
lblMessage.setFont(DialogPlain);
//
} else if (selectedFontStyle.equals("Dialog")
&& selectedFontType.equals("BOLD")) {
//
lblMessage.setFont(DialogBold);
//
} else if (selectedFontStyle.equals("Dialog")
&& selectedFontType.equals("ITALIC")) {
//
lblMessage.setFont(DialogItalic);
//
}
//
else if (selectedFontStyle.equals("DialogInput")
&& selectedFontType.equals("PLAIN")) {
//
lblMessage.setFont(DialogDialogInputPlain);
//
} else if
(selectedFontStyle.equals("DialogInput") &&
selectedFontType.equals("BOLD")) {
//
lblMessage.setFont(DialogDialogInputBold);
//
} else if
(selectedFontStyle.equals("DialogInput") &&
selectedFontType.equals("ITALIC")) {
//
lblMessage.setFont(DialogDialogInputItalic);
//
}
//
else if (selectedFontStyle.equals("Monospaced")
&& selectedFontType.equals("PLAIN")) {
//
lblMessage.setFont(MonospacePlain);
//
} else if
(selectedFontStyle.equals("Monospaced") &&
selectedFontType.equals("BOLD")) {
//
lblMessage.setFont(MonospaceBold);
//
} else if
(selectedFontStyle.equals("Monospaced") &&
selectedFontType.equals("ITALIC")) {
//
lblMessage.setFont(MonospaceItalic);
//
}
//
else if (selectedFontStyle.equals("Serif")
&& selectedFontType.equals("PLAIN")) {
//
lblMessage.setFont(SerifPlain);
//
} else if (selectedFontStyle.equals("Serif")
&& selectedFontType.equals("BOLD")) {
//
lblMessage.setFont(SerifBold);
//
} else if (selectedFontStyle.equals("Serif")
&& selectedFontType.equals("ITALIC")) {
//
lblMessage.setFont(SerifItalic);
//
}
//
else if (selectedFontStyle.equals("SansSerif")
&& selectedFontType.equals("PLAIN")) {
//
lblMessage.setFont(SansSerifPlain);
//
} else if (selectedFontStyle.equals("SansSerif")
&& selectedFontType.equals("BOLD")) {
//
lblMessage.setFont(SansSerifBold);
//
} else if (selectedFontStyle.equals("SansSerif")
&& selectedFontType.equals("ITALIC")) {
//
lblMessage.setFont(SansSerifItalic);
//
}
// }
// });
// action listener for the font
style
cmbFontStyle.addActionListener(new
ActionListener() {
public void
actionPerformed(ActionEvent event) {
// Print the selected items and the action
command.
Object selectedFontStyle =
cmbFontType.getSelectedItem(); // comboBox Selected items for font
style
Object selectedFontType =
cmbFontStyle.getSelectedItem(); // comboBox Selected items for font
type
// check for the comboBox Selected items font
type and font style
if (selectedFontStyle.equals("Dialog")
&& selectedFontType.equals("PLAIN")) {
lblMessage.setFont(DialogPlain);
} else if (selectedFontStyle.equals("Dialog")
&& selectedFontType.equals("BOLD")) {
lblMessage.setFont(DialogBold);
} else if (selectedFontStyle.equals("Dialog")
&& selectedFontType.equals("ITALIC")) {
lblMessage.setFont(DialogItalic);
} else if
(selectedFontStyle.equals("DialogInput") &&
selectedFontType.equals("PLAIN")) {
lblMessage.setFont(DialogDialogInputPlain);
} else if
(selectedFontStyle.equals("DialogInput") &&
selectedFontType.equals("BOLD")) {
lblMessage.setFont(DialogDialogInputBold);
} else if
(selectedFontStyle.equals("DialogInput") &&
selectedFontType.equals("ITALIC")) {
lblMessage.setFont(DialogDialogInputItalic);
} else if
(selectedFontStyle.equals("Monospaced") &&
selectedFontType.equals("PLAIN")) {
lblMessage.setFont(MonospacePlain);
} else if
(selectedFontStyle.equals("Monospaced") &&
selectedFontType.equals("BOLD")) {
lblMessage.setFont(MonospaceBold);
} else if
(selectedFontStyle.equals("Monospaced") &&
selectedFontType.equals("ITALIC")) {
lblMessage.setFont(MonospaceItalic);
} else if (selectedFontStyle.equals("Serif")
&& selectedFontType.equals("PLAIN")) {
lblMessage.setFont(SerifPlain);
} else if (selectedFontStyle.equals("Serif")
&& selectedFontType.equals("BOLD")) {
lblMessage.setFont(SerifBold);
} else if (selectedFontStyle.equals("Serif")
&& selectedFontType.equals("ITALIC")) {
lblMessage.setFont(SerifItalic);
} else if (selectedFontStyle.equals("SansSerif")
&& selectedFontType.equals("PLAIN")) {
lblMessage.setFont(SansSerifPlain);
} else if (selectedFontStyle.equals("SansSerif")
&& selectedFontType.equals("BOLD")) {
lblMessage.setFont(SansSerifBold);
} else if (selectedFontStyle.equals("SansSerif")
&& selectedFontType.equals("ITALIC")) {
lblMessage.setFont(SansSerifItalic);
}
}
});
}
// main method
public static void main(String args[]) {
FontChange fc = new
FontChange();
fc.setSize(400, 200); // set the
frame size
fc.setVisible(true); // frame
visible to true
}
}
output:
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