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/*
* 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 .
*/
package com.alee.extended.progress;
import com.alee.extended.panel.WebOverlay;
import com.alee.utils.GraphicsUtils;
import com.alee.utils.LafUtils;
import com.alee.utils.SwingUtils;
import com.alee.utils.swing.EmptyMouseAdapter;
import com.alee.utils.swing.WebTimer;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.GeneralPath;
/**
* @author Mikle Garin
*/
public class WebProgressOverlay extends WebOverlay
{
public static final String ANIMATOR_ID = "WebProgressOverlay.animator";
public static final String OPACITY_ANIMATOR_ID = "WebProgressOverlay.opacityAnimator";
private int progressWidth = 15;
private int speed = 1;
private Color progressColor = Color.GRAY;
private ProgressLayer progressLayer;
public WebProgressOverlay ()
{
super ();
initializeProgressLayer ();
}
public WebProgressOverlay ( final JComponent component )
{
super ( component );
initializeProgressLayer ();
}
protected void initializeProgressLayer ()
{
progressLayer = new ProgressLayer ();
progressLayer.setVisible ( false );
addOverlay ( progressLayer );
}
public boolean isShowLoad ()
{
return progressLayer.isShowLoad ();
}
public void setShowLoad ( final boolean showLoad )
{
progressLayer.setShowLoad ( showLoad );
}
public boolean isConsumeEvents ()
{
return progressLayer.isConsumeEvents ();
}
public void setConsumeEvents ( final boolean consumeEvents )
{
progressLayer.setConsumeEvents ( consumeEvents );
}
public int getProgressWidth ()
{
return progressWidth;
}
public void setProgressWidth ( final int progressWidth )
{
this.progressWidth = progressWidth;
}
public int getSpeed ()
{
return speed;
}
public void setSpeed ( final int speed )
{
this.speed = speed;
}
public Color getProgressColor ()
{
return progressColor;
}
public void setProgressColor ( final Color progressColor )
{
this.progressColor = progressColor;
}
private class ProgressLayer extends JComponent
{
private boolean showLoad = false;
private boolean consumeEvents = true;
private WebTimer opacityAnimator = null;
private WebTimer animator = null;
private int opacity = 0;
private int loadProgress = 0;
public ProgressLayer ()
{
super ();
SwingUtils.setOrientation ( this );
EmptyMouseAdapter.install ( this );
}
@Override
public boolean contains ( final int x, final int y )
{
return consumeEvents && super.contains ( x, y );
}
public boolean isConsumeEvents ()
{
return consumeEvents;
}
public void setConsumeEvents ( final boolean consumeEvents )
{
this.consumeEvents = consumeEvents;
}
public boolean isShowLoad ()
{
return showLoad;
}
public void setShowLoad ( final boolean showLoad )
{
this.showLoad = showLoad;
if ( showLoad )
{
ProgressLayer.this.setVisible ( true );
stopOpacityAnimator ();
opacityAnimator = new WebTimer ( "WebProgressOverlay.opacityAnimator", SwingUtils.frameRateDelay ( 24 ), new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
if ( opacity < 128 )
{
opacity += 8;
}
else
{
opacity = 128;
opacityAnimator.stop ();
}
}
} );
opacityAnimator.start ();
stopAnimator ();
animator = new WebTimer ( ANIMATOR_ID, SwingUtils.frameRateDelay ( 36 ), new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
if ( loadProgress < getProgressWidth () * 2 )
{
loadProgress += speed;
}
else
{
loadProgress = 0;
}
if ( ProgressLayer.this.isVisible () )
{
ProgressLayer.this.repaint ();
}
}
} );
animator.setNonBlockingStop ( true );
animator.start ();
}
else
{
stopOpacityAnimator ();
opacityAnimator = new WebTimer ( OPACITY_ANIMATOR_ID, SwingUtils.frameRateDelay ( 36 ), new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
if ( opacity > 0 )
{
opacity -= 8;
}
else
{
opacity = 0;
opacityAnimator.stop ();
stopAnimator ();
ProgressLayer.this.setVisible ( false );
}
}
} );
opacityAnimator.setNonBlockingStop ( true );
opacityAnimator.start ();
}
}
private void stopAnimator ()
{
if ( animator != null && animator.isRunning () )
{
animator.stop ();
animator = null;
}
}
private void stopOpacityAnimator ()
{
if ( opacityAnimator != null && opacityAnimator.isRunning () )
{
opacityAnimator.stop ();
}
}
@Override
protected void paintComponent ( final Graphics g )
{
super.paintComponent ( g );
if ( opacity > 0 )
{
final int w = getWidth ();
final int h = getHeight ();
final int pw = getProgressWidth ();
if ( w > 0 && h > 0 && pw > 0 )
{
final Graphics2D g2d = ( Graphics2D ) g;
final Object aa = GraphicsUtils.setupAntialias ( g2d );
final Shape clip = LafUtils.getShape ( WebProgressOverlay.this.getComponent () );
final Shape oldClip = GraphicsUtils.intersectClip ( g2d, clip, clip != null );
// todo Draw correctly when width is less than height
g2d.setPaint ( new Color ( progressColor.getRed (), progressColor.getGreen (), progressColor.getBlue (), opacity ) );
for ( int i = loadProgress % ( pw * 2 ); i < w + 2 * h; i += pw * 2 )
{
if ( i <= 0 )
{
continue;
}
final GeneralPath gp = new GeneralPath ( GeneralPath.WIND_EVEN_ODD );
// Top side lines
gp.moveTo ( i < w ? i : w, i < w ? 0 : Math.min ( h, i - w ) );
if ( i - pw < w && i > w )
{
gp.lineTo ( w, 0 );
}
gp.lineTo ( i - pw < w ? Math.max ( 0, i - pw ) : w, i - pw < w ? 0 : i - pw - w );
// Bottom side lines
gp.lineTo ( i - pw < h ? 0 : i - pw - h, i - pw < h ? Math.max ( 0, i - pw ) : h );
if ( i - pw < h && i > h )
{
gp.lineTo ( 0, h );
}
gp.lineTo ( i < h ? 0 : Math.min ( w, i - h ), i < h ? i : h );
gp.closePath ();
g2d.fill ( gp );
}
GraphicsUtils.restoreClip ( g, oldClip, clip != null );
GraphicsUtils.restoreAntialias ( g2d, aa );
}
}
}
}
}
