/*
* 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.laf.splitpane;
import com.alee.global.StyleConstants;
import com.alee.laf.WebLookAndFeel;
import com.alee.laf.button.WebButton;
import com.alee.utils.GraphicsUtils;
import com.alee.utils.LafUtils;
import com.alee.utils.SwingUtils;
import com.alee.utils.swing.BorderMethods;
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicSplitPaneDivider;
import javax.swing.plaf.basic.BasicSplitPaneUI;
import java.awt.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
/**
* Custom UI for JSplitPane component.
*
* @author Mikle Garin
*/
public class WebSplitPaneUI extends BasicSplitPaneUI implements BorderMethods
{
/**
* Style settings.
*/
protected Insets margin = WebSplitPaneStyle.margin;
protected Color dragDividerColor = WebSplitPaneStyle.dragDividerColor;
protected boolean drawDividerBorder = WebSplitPaneStyle.drawDividerBorder;
protected Color dividerBorderColor = WebSplitPaneStyle.dividerBorderColor;
/**
* SplitPane listeners.
*/
protected PropertyChangeListener propertyChangeListener;
/**
* Returns an instance of the WebSplitPaneUI for the specified component.
* This tricky method is used by UIManager to create component UIs when needed.
*
* @param c component that will use UI instance
* @return instance of the WebSplitPaneUI
*/
@SuppressWarnings ("UnusedParameters")
public static ComponentUI createUI ( final JComponent c )
{
return new WebSplitPaneUI ();
}
/**
* Installs UI in the specified component.
*
* @param c component for this UI
*/
@Override
public void installUI ( final JComponent c )
{
super.installUI ( c );
// Default settings
SwingUtils.setOrientation ( splitPane );
LookAndFeel.installProperty ( splitPane, WebLookAndFeel.OPAQUE_PROPERTY, Boolean.FALSE );
splitPane.setBorder ( LafUtils.createWebBorder ( 0 ) );
splitPane.setDividerSize ( 6 );
// Updating border
updateBorder ();
// Orientation change listener
propertyChangeListener = new PropertyChangeListener ()
{
@Override
public void propertyChange ( final PropertyChangeEvent evt )
{
updateBorder ();
}
};
splitPane.addPropertyChangeListener ( WebLookAndFeel.ORIENTATION_PROPERTY, propertyChangeListener );
}
/**
* Uninstalls UI from the specified component.
*
* @param c component with this UI
*/
@Override
public void uninstallUI ( final JComponent c )
{
splitPane.removePropertyChangeListener ( WebLookAndFeel.ORIENTATION_PROPERTY, propertyChangeListener );
super.uninstallUI ( c );
}
/**
* {@inheritDoc}
*/
@Override
public void updateBorder ()
{
if ( splitPane != null )
{
// Preserve old borders
if ( SwingUtils.isPreserveBorders ( splitPane ) )
{
return;
}
// Actual margin
final boolean ltr = splitPane.getComponentOrientation ().isLeftToRight ();
final Insets m = new Insets ( margin.top, ltr ? margin.left : margin.right, margin.bottom, ltr ? margin.right : margin.left );
// Installing border
splitPane.setBorder ( LafUtils.createWebBorder ( m ) );
}
}
/**
* Returns component margin.
*
* @return component margin
*/
public Insets getMargin ()
{
return margin;
}
/**
* Sets component margin.
*
* @param margin component margin
*/
public void setMargin ( final Insets margin )
{
this.margin = margin;
updateBorder ();
}
/**
* Returns dragged divider color.
*
* @return dragged divider color
*/
public Color getDragDividerColor ()
{
return dragDividerColor;
}
/**
* Sets dragged divider color.
*
* @param dragDividerColor dragged divider color
*/
public void setDragDividerColor ( final Color dragDividerColor )
{
this.dragDividerColor = dragDividerColor;
}
/**
* Returns whether divider border is painted or not.
*
* @return true if divider border is painted, false otherwise
*/
public boolean isDrawDividerBorder ()
{
return drawDividerBorder;
}
/**
* Sets whether divider border is painted or not.
*
* @param draw whether divider border is painted or not
*/
public void setDrawDividerBorder ( final boolean draw )
{
this.drawDividerBorder = draw;
}
/**
* Returns divider border color.
*
* @return divider border color
*/
public Color getDividerBorderColor ()
{
return dividerBorderColor;
}
/**
* Sets divider border color.
*
* @param color new divider border color
*/
public void setDividerBorderColor ( final Color color )
{
this.dividerBorderColor = color;
}
/**
* {@inheritDoc}
*/
@Override
public BasicSplitPaneDivider createDefaultDivider ()
{
return new BasicSplitPaneDivider ( this )
{
protected final Border border = BorderFactory.createEmptyBorder ( 0, 0, 0, 0 );
protected final Color color = new Color ( 158, 158, 158 );
protected final Color[] gradient = new Color[]{ StyleConstants.transparent, color, color, StyleConstants.transparent };
@Override
public Border getBorder ()
{
return border;
}
@Override
protected JButton createLeftOneTouchButton ()
{
final boolean hor = orientation == JSplitPane.HORIZONTAL_SPLIT;
final ImageIcon icon = new ImageIcon ( WebSplitPaneUI.class.getResource ( hor ? "icons/left.png" : "icons/up.png" ) );
final WebButton iconWebButton = WebButton.createIconWebButton ( icon, 0, 0, 0, false, true, false );
iconWebButton.setBorder ( BorderFactory.createEmptyBorder ( 0, 0, 0, 0 ) );
iconWebButton.setCursor ( Cursor.getDefaultCursor () );
iconWebButton.setPreferredSize ( hor ? new Dimension ( 6, 7 ) : new Dimension ( 7, 6 ) );
iconWebButton.setFocusable ( false );
return iconWebButton;
}
@Override
protected JButton createRightOneTouchButton ()
{
final boolean hor = orientation == JSplitPane.HORIZONTAL_SPLIT;
final ImageIcon icon = new ImageIcon ( WebSplitPaneUI.class.getResource ( hor ? "icons/right.png" : "icons/down.png" ) );
final JButton iconWebButton = WebButton.createIconWebButton ( icon, 0, 0, 0, false, true, false );
iconWebButton.setBorder ( BorderFactory.createEmptyBorder ( 0, 0, 0, 0 ) );
iconWebButton.setCursor ( Cursor.getDefaultCursor () );
iconWebButton.setPreferredSize ( hor ? new Dimension ( 6, 7 ) : new Dimension ( 7, 6 ) );
iconWebButton.setFocusable ( false );
return iconWebButton;
}
/**
* todo Replace with paintComponent?
*/
@Override
public void paint ( final Graphics g )
{
final Graphics2D g2d = ( Graphics2D ) g;
final Object aa = GraphicsUtils.setupAntialias ( g2d );
if ( orientation == JSplitPane.HORIZONTAL_SPLIT )
{
final int startY = getHeight () / 2 - 35;
final int endY = getHeight () / 2 + 35;
g2d.setPaint ( new LinearGradientPaint ( 0, startY, 0, endY, new float[]{ 0f, 0.25f, 0.75f, 1f }, gradient ) );
for ( int i = startY; i < endY; i += 5 )
{
g2d.fillRect ( getWidth () / 2 - 1, i - 1, 2, 2 );
}
if ( drawDividerBorder )
{
g2d.setPaint ( dividerBorderColor );
g2d.drawLine ( 0, 0, 0, getHeight () - 1 );
g2d.drawLine ( getWidth () - 1, 0, getWidth () - 1, getHeight () - 1 );
}
}
else
{
final int startX = getWidth () / 2 - 35;
final int endX = getWidth () / 2 + 35;
g2d.setPaint ( new LinearGradientPaint ( startX, 0, endX, 0, new float[]{ 0f, 0.25f, 0.75f, 1f }, gradient ) );
for ( int i = startX; i < endX; i += 5 )
{
g2d.fillRect ( i - 1, getHeight () / 2 - 1, 2, 2 );
}
if ( drawDividerBorder )
{
g2d.setPaint ( dividerBorderColor );
g2d.drawLine ( 0, 0, getWidth () - 1, 0 );
g2d.drawLine ( 0, getHeight () - 1, getWidth () - 1, getHeight () - 1 );
}
}
super.paint ( g );
GraphicsUtils.restoreAntialias ( g2d, aa );
}
};
}
/**
* {@inheritDoc}
*/
@Override
protected Component createDefaultNonContinuousLayoutDivider ()
{
return new Canvas ()
{
@Override
public void paint ( final Graphics g )
{
if ( !isContinuousLayout () && getLastDragLocation () != -1 )
{
final Dimension size = splitPane.getSize ();
g.setColor ( dragDividerColor );
if ( getOrientation () == JSplitPane.HORIZONTAL_SPLIT )
{
g.fillRect ( 0, 0, dividerSize - 1, size.height - 1 );
}
else
{
g.fillRect ( 0, 0, size.width - 1, dividerSize - 1 );
}
}
}
};
}
/**
* {@inheritDoc}
*/
@Override
public void finishedPaintingChildren ( final JSplitPane jc, final Graphics g )
{
if ( jc == splitPane && getLastDragLocation () != -1 && !isContinuousLayout () &&
!draggingHW )
{
final Dimension size = splitPane.getSize ();
g.setColor ( dragDividerColor );
if ( getOrientation () == JSplitPane.HORIZONTAL_SPLIT )
{
g.fillRect ( getLastDragLocation (), 0, dividerSize - 1, size.height - 1 );
}
else
{
g.fillRect ( 0, getLastDragLocation (), size.width - 1, dividerSize - 1 );
}
}
}
}