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20231104-KursPodstawowyALX
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Patryk Czarnik
20231104-KursPodstawowyALX
Commits
97c526e0
Commit
97c526e0
authored
Jan 07, 2024
by
Patryk Czarnik
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rozmowa2
parent
b1b0df29
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Rozmowa2.java
src/main/java/p30_swing/zdarzenia/Rozmowa2.java
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src/main/java/p30_swing/zdarzenia/Rozmowa2.java
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97c526e0
package
p30_swing
.
zdarzenia
;
import
java.awt.Color
;
import
java.awt.Dimension
;
import
java.awt.Font
;
import
java.awt.LayoutManager
;
import
java.awt.event.ActionEvent
;
import
java.awt.event.ActionListener
;
import
java.util.Random
;
import
javax.swing.BorderFactory
;
import
javax.swing.Box
;
import
javax.swing.BoxLayout
;
import
javax.swing.JButton
;
import
javax.swing.JFrame
;
import
javax.swing.JLabel
;
import
javax.swing.JOptionPane
;
import
javax.swing.JPanel
;
import
javax.swing.JTextField
;
public
class
Rozmowa2
{
private
static
final
Font
FONT
=
new
Font
(
"Arial"
,
Font
.
BOLD
,
32
);
private
static
final
Dimension
odstep
=
new
Dimension
(
0
,
10
);
public
static
void
main
(
String
[]
args
)
{
JFrame
okno
=
new
JFrame
(
"Rozmowa"
);
okno
.
setDefaultCloseOperation
(
JFrame
.
EXIT_ON_CLOSE
);
JPanel
panel
=
new
JPanel
();
okno
.
setContentPane
(
panel
);
// panel jest wnętrzem okna
// panel.setBorder(BorderFactory.createLineBorder(Color.BLUE, 5));
panel
.
setBorder
(
BorderFactory
.
createEmptyBorder
(
5
,
10
,
5
,
10
));
LayoutManager
layout
=
new
BoxLayout
(
panel
,
BoxLayout
.
Y_AXIS
);
panel
.
setLayout
(
layout
);
JLabel
pytanie
=
new
JLabel
(
"Jak masz na imię?"
);
pytanie
.
setFont
(
FONT
);
panel
.
add
(
pytanie
);
panel
.
add
(
Box
.
createRigidArea
(
odstep
));
JTextField
pole
=
new
JTextField
();
pole
.
setFont
(
FONT
);
pole
.
setForeground
(
Color
.
MAGENTA
);
panel
.
add
(
pole
);
panel
.
add
(
Box
.
createRigidArea
(
odstep
));
JButton
guzik
=
new
JButton
(
"OK"
);
guzik
.
setFont
(
FONT
);
guzik
.
setMaximumSize
(
new
Dimension
(
Integer
.
MAX_VALUE
,
30
));
panel
.
add
(
guzik
);
panel
.
add
(
Box
.
createRigidArea
(
odstep
));
JLabel
powitanie
=
new
JLabel
(
"Witaj"
);
powitanie
.
setFont
(
FONT
);
powitanie
.
setForeground
(
Color
.
BLUE
);
panel
.
add
(
powitanie
);
panel
.
add
(
Box
.
createRigidArea
(
odstep
));
JButton
guzik2
=
new
JButton
(
"Niespodzianka"
);
guzik2
.
setFont
(
FONT
);
guzik2
.
setForeground
(
Color
.
RED
);
guzik2
.
setMaximumSize
(
new
Dimension
(
Integer
.
MAX_VALUE
,
30
));
panel
.
add
(
guzik2
);
panel
.
add
(
Box
.
createRigidArea
(
odstep
));
okno
.
pack
();
// klasa anonimowa
// dzięki umieszczeniu listenera w tym samym pliku (klasie), co całe okno, mamy dostęp do komponentów tego okna
guzik
.
addActionListener
(
new
ActionListener
()
{
public
void
actionPerformed
(
ActionEvent
evt
)
{
String
imie
=
pole
.
getText
();
powitanie
.
setText
(
"Witaj "
+
imie
);
powitanie
.
setForeground
(
Color
.
BLUE
);
}
});
pole
.
addActionListener
(
new
ActionListener
()
{
public
void
actionPerformed
(
ActionEvent
evt
)
{
String
imie
=
pole
.
getText
();
powitanie
.
setText
(
"Cześć "
+
imie
);
powitanie
.
setForeground
(
Color
.
GREEN
);
}
});
Random
random
=
new
Random
();
guzik2
.
addActionListener
(
evt
->
{
okno
.
getContentPane
().
setBackground
(
new
Color
(
random
.
nextInt
(
0x1000000
)));
int
x
=
okno
.
getX
()
+
random
.
nextInt
(
400
)
-
200
;
int
y
=
okno
.
getY
()
+
random
.
nextInt
(
400
)
-
200
;
okno
.
setLocation
(
x
,
y
);
});
okno
.
setVisible
(
true
);
}
}
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