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September Morn Update

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This commit is contained in:
Ingy döt Net 2019-09-12 10:33:56 -07:00
parent 4e2d22a71d
commit aac6731f2c
6856 changed files with 141342 additions and 21127 deletions
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101
Task/Window-management/Java/window-management.java
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@ -16,16 +16,10 @@ import javax.swing.border.EmptyBorder;
public class WindowController extends JFrame {
// Create UI on correct thread
public static void main( final String[] args ) {
EventQueue.invokeLater (
new Runnable() {
public void run() {
new WindowController();
}
}
);
EventQueue.invokeLater( () -> new WindowController() );
}
private JComboBox list;
private JComboBox<ControlledWindow> list;
// Button class to call the right method
private class ControlButton extends JButton {
@ -58,7 +52,7 @@ public class WindowController extends JFrame {
setLayout( new BorderLayout( 3, 3 ) );
getRootPane().setBorder( new EmptyBorder( 3, 3, 3, 3 ) );
add( new JLabel( "Add windows and control them." ), BorderLayout.NORTH );
main.add( list = new JComboBox() );
main.add( list = new JComboBox<>() );
add( main, BorderLayout.CENTER );
controls.setLayout( new GridLayout( 0, 1, 3, 3 ) );
controls.add( new ControlButton( "Add" ) );
@ -103,42 +97,95 @@ public class WindowController extends JFrame {
}
public void doHide() {
( ( JFrame ) list.getSelectedItem() ).setVisible( false );
final JFrame window = getWindow();
if ( null == window ) {
return;
}
window.setVisible( false );
}
public void doShow() {
( ( JFrame ) list.getSelectedItem() ).setVisible( true );
final JFrame window = getWindow();
if ( null == window ) {
return;
}
window.setVisible( true );
}
public void doClose() {
( ( JFrame ) list.getSelectedItem() ).dispose();
final JFrame window = getWindow();
if ( null == window ) {
return;
}
window.dispose();
}
public void doMinimise() {
( ( JFrame ) list.getSelectedItem() ).setState( Frame.ICONIFIED );
final JFrame window = getWindow();
if ( null == window ) {
return;
}
window.setState( Frame.ICONIFIED );
}
public void doMaximise() {
( ( JFrame ) list.getSelectedItem() ).setExtendedState( Frame.MAXIMIZED_BOTH );
final JFrame window = getWindow();
if ( null == window ) {
return;
}
window.setExtendedState( Frame.MAXIMIZED_BOTH );
}
public void doMove() {
( ( JFrame ) list.getSelectedItem() ).setLocation
(
Integer.parseInt( JOptionPane.showInputDialog( "Horizontal position?" ) ),
Integer.parseInt( JOptionPane.showInputDialog( "Vertical position?" ) )
);
final JFrame window = getWindow();
if ( null == window ) {
return;
}
final int hPos = getInt( "Horizontal position?" );
if ( -1 == hPos ) {
return;
}
final int vPos = getInt( "Vertical position?" );
if ( -1 == vPos ) {
return;
}
window.setLocation ( hPos, vPos );
}
public void doResize() {
final JFrame window = ( JFrame ) list.getSelectedItem();
final JFrame window = getWindow();
if ( null == window ) {
return;
}
final int width = getInt( "Width?" );
if ( -1 == width ) {
return;
}
final int height = getInt( "Height?" );
if ( -1 == height ) {
return;
}
window.setBounds ( window.getX(), window.getY(), width, height );
}
window.setBounds
(
window.getX(),
window.getY(),
Integer.parseInt( JOptionPane.showInputDialog( "Width?" ) ),
Integer.parseInt( JOptionPane.showInputDialog( "Height?" ) )
);
private JFrame getWindow() {
final JFrame window = ( JFrame ) list.getSelectedItem();
if ( null == window ) {
JOptionPane.showMessageDialog( this, "Add a window first" );
}
return window;
}
private int getInt(final String prompt) {
final String s = JOptionPane.showInputDialog( prompt );
if ( null == s ) {
return -1;
}
try {
return Integer.parseInt( s );
} catch ( final NumberFormatException x ) {
JOptionPane.showMessageDialog( this, "Not a number" );
return -1;
}
}
}