/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WebLookAndFeel library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WebLookAndFeel library. If not, see <http://www.gnu.org/licenses/>.
*/
package com.alee.examples.groups.focus;
import com.alee.examples.WebLookAndFeelDemo;
import com.alee.examples.content.DefaultExample;
import com.alee.extended.layout.TableLayout;
import com.alee.extended.painter.TitledBorderPainter;
import com.alee.extended.panel.GroupPanel;
import com.alee.laf.checkbox.WebCheckBox;
import com.alee.laf.label.WebLabel;
import com.alee.laf.panel.WebPanel;
import com.alee.laf.scroll.WebScrollPane;
import com.alee.laf.text.WebTextArea;
import com.alee.laf.text.WebTextField;
import com.alee.managers.focus.DefaultFocusTracker;
import com.alee.managers.focus.FocusManager;
import javax.swing.*;
import java.awt.*;
/**
* Focus tracking example.
*
* @author Mikle Garin
*/
public class FocusTrackingExample extends DefaultExample
{
/**
* Focus tracker strong references.
*/
private DefaultFocusTracker focusTracker1;
private DefaultFocusTracker focusTracker2;
/**
* {@inheritDoc}
*/
@Override
public String getTitle ()
{
return "Focus tracking";
}
/**
* {@inheritDoc}
*/
@Override
public String getDescription ()
{
return "Tacking component and its childs focus";
}
/**
* {@inheritDoc}
*/
@Override
public Component getPreview ( final WebLookAndFeelDemo owner )
{
// Tracked forms
final Component form1 = createForm ();
final Component form2 = createForm ();
// Output area
final TitledBorderPainter painter = new TitledBorderPainter ( "Focus changes:" );
painter.setTitleAlignment ( SwingConstants.CENTER );
final WebPanel panel = new WebPanel ( painter );
final WebTextArea info = new WebTextArea ();
info.setEditable ( false );
info.setRows ( 1 );
info.setMargin ( 5 );
final WebScrollPane infoScroll = new WebScrollPane ( info );
infoScroll.setPreferredWidth ( 150 );
panel.add ( infoScroll );
// Form #1 focus tracker
// It tracks only focus loss/gain by form overall and doesn't inform about focus changes within the form
focusTracker1 = new DefaultFocusTracker ( true )
{
@Override
public void focusChanged ( final boolean focused )
{
updateInfo ( focused, info, "form1" );
}
};
FocusManager.addFocusTracker ( form1, focusTracker1 );
// Form #2 focus tracker
// It tracks only focus loss/gain by form overall and doesn't inform about focus changes within the form
focusTracker2 = new DefaultFocusTracker ( true )
{
@Override
public void focusChanged ( final boolean focused )
{
updateInfo ( focused, info, "form2" );
}
};
FocusManager.addFocusTracker ( form2, focusTracker2 );
return new GroupPanel ( 10, new GroupPanel ( 10, false, form1, form2 ), panel ).setMargin ( 5 );
}
/**
* Adds focus changes information into specified text area.
*
* @param focused whether form is focused or not
* @param info information text area
* @param form tracked form title
*/
private void updateInfo ( final boolean focused, final WebTextArea info, final String form )
{
final String s = info.getText ().trim ().length () > 0 ? ( info.getText () + "\n" ) : "";
info.setText ( s + ( focused ? form + " gained focus" : form + " lost focus" ) );
}
/**
* Returns custom form for focus tracking.
*
* @return custom form for focus tracking
*/
private Component createForm ()
{
final TitledBorderPainter painter = new TitledBorderPainter ( "Form 1" );
painter.setTitleAlignment ( SwingConstants.CENTER );
final WebPanel panel = new WebPanel ( painter );
panel.setMargin ( 5 );
final double[][] constraints = { { TableLayout.PREFERRED, TableLayout.FILL }, { TableLayout.PREFERRED, TableLayout.PREFERRED } };
final TableLayout layout = new TableLayout ( constraints );
layout.setHGap ( 5 );
layout.setVGap ( 5 );
panel.setLayout ( layout );
panel.add ( new WebLabel ( "Field 1:" ), "0,0" );
panel.add ( new WebTextField (), "1,0" );
panel.add ( new WebLabel ( "Field 2:" ), "0,1" );
panel.add ( new WebCheckBox ( "Some check" ), "1,1" );
return panel;
}
}