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WebLaf is a Java Swing Look and Feel and extended components library for cross-platform applications
package com.alee.painter.decoration.shape;
import com.alee.laf.grouping.GroupingLayout;
import com.alee.painter.decoration.WebDecoration;
import com.alee.painter.decoration.shadow.ShadowType;
import com.alee.utils.MathUtils;
import com.alee.utils.ShapeUtils;
import com.alee.utils.general.Pair;
import com.alee.utils.swing.DataProvider;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import com.thoughtworks.xstream.annotations.XStreamAsAttribute;
import javax.swing.*;
import java.awt.*;
import java.awt.geom.GeneralPath;
/**
* Common WebLaF component shape implementation.
* It provides rounded rectangular component shape.
* Different sides of the shape can also be clipped to visually group components.
*
* @param component type
* @param decoration type
* @param shape type
* @author nsofronov
* @author Mikle Garin
*/
@XStreamAlias ( "WebShape" )
public class WebShape, I extends WebShape> extends AbstractShape
{
/**
* Decoration corners rounding.
*/
@XStreamAsAttribute
protected Round round;
/**
* Displayed decoration sides.
*/
@XStreamAsAttribute
protected String sides;
/**
* Displayed decoration side lines.
*/
@XStreamAsAttribute
protected String lines;
/**
* Returns decoration corners rounding.
*
* @return decoration corners rounding
*/
public Round getRound ()
{
return round != null ? round : new Round ();
}
/**
* Returns grouping layout used to place specified component if it exists, {@code null} otherwise.
*
* @param c painted component
* @return grouping layout used to place specified component if it exists, {@code null} otherwise
*/
protected GroupingLayout getGroupingLayout ( final E c )
{
final Container parent = c.getParent ();
if ( parent != null )
{
final LayoutManager layout = parent.getLayout ();
if ( layout instanceof GroupingLayout )
{
return ( GroupingLayout ) layout;
}
}
return null;
}
/**
* Returns descriptor for painted component sides.
*
* @param c painted component
* @param d painted decoration
* @return descriptor for painted component sides
*/
protected String getSides ( final E c, final D d )
{
if ( d.isSection () )
{
return this.sides;
}
else
{
final GroupingLayout layout = getGroupingLayout ( c );
return layout != null ? layout.getSides ( c ) : this.sides;
}
}
/**
* Returns whether or not top side should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if top side should be painted, false otherwise
*/
public boolean isPaintTop ( final E c, final D d )
{
final String sides = getSides ( c, d );
return sides == null || sides.charAt ( 0 ) != '0';
}
/**
* Returns whether or not left side should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if left side should be painted, false otherwise
*/
public boolean isPaintLeft ( final E c, final D d )
{
final String sides = getSides ( c, d );
return sides == null || sides.charAt ( 2 ) != '0';
}
/**
* Returns whether or not bottom side should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if bottom side should be painted, false otherwise
*/
public boolean isPaintBottom ( final E c, final D d )
{
final String sides = getSides ( c, d );
return sides == null || sides.charAt ( 4 ) != '0';
}
/**
* Returns whether or not right side should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if right side should be painted, false otherwise
*/
public boolean isPaintRight ( final E c, final D d )
{
final String sides = getSides ( c, d );
return sides == null || sides.charAt ( 6 ) != '0';
}
/**
* Returns whether or not any of the sides should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if at least one of the sides should be painted, false otherwise
*/
public boolean isAnySide ( final E c, final D d )
{
final String sides = getSides ( c, d );
return sides == null || sides.contains ( "1" );
}
/**
* Returns descriptor for painted component lines.
*
* @param c painted component
* @param d painted decoration
* @return descriptor for painted component lines
*/
protected String getLines ( final E c, final D d )
{
if ( d.isSection () )
{
return this.lines;
}
else
{
final GroupingLayout layout = getGroupingLayout ( c );
return layout != null ? layout.getLines ( c ) : this.lines;
}
}
/**
* Returns whether or not top side line should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if top side line should be painted, false otherwise
*/
public boolean isPaintTopLine ( final E c, final D d )
{
final String lines = getLines ( c, d );
return !isPaintTop ( c, d ) && lines != null && lines.charAt ( 0 ) == '1';
}
/**
* Returns whether or not left side line should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if left side line should be painted, false otherwise
*/
public boolean isPaintLeftLine ( final E c, final D d )
{
final String lines = getLines ( c, d );
return !isPaintLeft ( c, d ) && lines != null && lines.charAt ( 2 ) == '1';
}
/**
* Returns whether or not bottom side line should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if bottom side line should be painted, false otherwise
*/
public boolean isPaintBottomLine ( final E c, final D d )
{
final String lines = getLines ( c, d );
return !isPaintBottom ( c, d ) && lines != null && lines.charAt ( 4 ) == '1';
}
/**
* Returns whether or not right side line should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if right side line should be painted, false otherwise
*/
public boolean isPaintRightLine ( final E c, final D d )
{
final String lines = getLines ( c, d );
return !isPaintRight ( c, d ) && lines != null && lines.charAt ( 6 ) == '1';
}
/**
* Returns whether or not any of the side lines should be painted.
*
* @param c painted component
* @param d painted decoration
* @return true if at least one of the side lines should be painted, false otherwise
*/
public boolean isAnyLine ( final E c, final D d )
{
return isPaintTopLine ( c, d ) || isPaintLeftLine ( c, d ) || isPaintBottomLine ( c, d ) || isPaintRightLine ( c, d );
}
@Override
public Insets getBorderInsets ( final E c, final D d )
{
// Decorated sides spacing
final int borderWidth = ( int ) Math.round ( Math.floor ( d.getBorderWidth () ) );
final int shadowWidth = d.getShadeWidth ( ShadowType.outer );
final int spacing = shadowWidth + borderWidth;
// Combining final border insets
final int top = isPaintTop ( c, d ) ? spacing : isPaintTopLine ( c, d ) ? borderWidth : 0;
final int left = isPaintLeft ( c, d ) ? spacing : isPaintLeftLine ( c, d ) ? borderWidth : 0;
final int bottom = isPaintBottom ( c, d ) ? spacing : isPaintBottomLine ( c, d ) ? borderWidth : 0;
final int right = isPaintRight ( c, d ) ? spacing : isPaintRightLine ( c, d ) ? borderWidth : 0;
return new Insets ( top, left, bottom, right );
}
@Override
public boolean isVisible ( final ShapeType type, final E c, final D d )
{
switch ( type )
{
case outerShade:
return isAnySide ( c, d );
case border:
return isAnySide ( c, d ) || isAnyLine ( c, d );
case background:
case innerShade:
default:
return true;
}
}
@Override
public Shape getShape ( final ShapeType type, final Rectangle bounds, final E c, final D d )
{
// Shape settings
final Round r = getRound ();
final boolean ltr = c.getComponentOrientation ().isLeftToRight ();
final boolean top = isPaintTop ( c, d );
final boolean bottom = isPaintBottom ( c, d );
final boolean left = ltr ? isPaintLeft ( c, d ) : isPaintRight ( c, d );
final boolean right = ltr ? isPaintRight ( c, d ) : isPaintLeft ( c, d );
final int sw = d.getShadeWidth ( ShadowType.outer );
// Retrieving shape
return ShapeUtils.getShape ( c, "WebShape." + type, new DataProvider ()
{
@Override
public Shape provide ()
{
final int x = bounds.x;
final int y = bounds.y;
final int w = bounds.width;
final int h = bounds.height;
if ( type.isBorder () )
{
final GeneralPath shape = new GeneralPath ( GeneralPath.WIND_EVEN_ODD );
boolean connect;
boolean moved = false;
if ( top )
{
shape.moveTo ( x + ( left ? sw + r.topLeft : 0 ), y + sw );
if ( right )
{
shape.lineTo ( x + w - sw - r.topRight - 1, y + sw );
shape.quadTo ( x + w - sw - 1, y + sw, x + w - sw - 1, y + sw + r.topRight );
}
else
{
shape.lineTo ( x + w - 1, y + sw );
}
connect = true;
}
else
{
connect = false;
}
if ( right )
{
if ( !connect )
{
shape.moveTo ( x + w - sw - 1, y + ( top ? sw + r.topRight : 0 ) );
moved = true;
}
if ( bottom )
{
shape.lineTo ( x + w - sw - 1, y + h - sw - r.bottomRight - 1 );
shape.quadTo ( x + w - sw - 1, y + h - sw - 1, x + w - sw - r.bottomRight - 1, y + h - sw - 1 );
}
else
{
shape.lineTo ( x + w - sw - 1, y + h - 1 );
}
connect = true;
}
else
{
connect = false;
}
if ( bottom )
{
if ( !connect )
{
shape.moveTo ( x + w + ( right ? -sw - r.bottomRight - 1 : -1 ), y + h - sw - 1 );
moved = true;
}
if ( left )
{
shape.lineTo ( x + sw + r.bottomLeft, y + h - sw - 1 );
shape.quadTo ( x + sw, y + h - sw - 1, x + sw, y + h - sw - r.bottomLeft - 1 );
}
else
{
shape.lineTo ( x, y + h - sw - 1 );
}
connect = true;
}
else
{
connect = false;
}
if ( left )
{
if ( !connect )
{
shape.moveTo ( x + sw, y + h + ( bottom ? -sw - r.bottomLeft - 1 : -1 ) );
moved = true;
}
if ( top )
{
shape.lineTo ( x + sw, y + sw + r.topLeft );
shape.quadTo ( x + sw, y + sw, x + sw + r.topLeft, y + sw );
if ( !moved )
{
shape.closePath ();
}
}
else
{
shape.lineTo ( x + sw, y );
}
}
return shape;
}
else
{
final int shShear = type.isOuterShade () ? sw : 0;
final int bgShear = type.isBorder () ? -1 : 0;
final Point[] corners = new Point[ 4 ];
final int[] rounded = new int[ 4 ];
corners[ 0 ] = p ( x + ( left ? sw : -shShear ), y + ( top ? sw : -shShear ) );
rounded[ 0 ] = left && top && r.topLeft > 0 ? r.topLeft + 1 : 0;
corners[ 1 ] = p ( x + ( right ? w - sw : w + shShear ) + bgShear, y + ( top ? sw : -shShear ) );
rounded[ 1 ] = right && top && r.topRight > 0 ? r.topRight + 1 : 0;
corners[ 2 ] = p ( x + ( right ? w - sw : w + shShear ) + bgShear, y + ( bottom ? h - sw : h + shShear ) + bgShear );
rounded[ 2 ] = right && bottom && r.bottomRight > 0 ? r.bottomRight + 1 : 0;
corners[ 3 ] = p ( x + ( left ? sw : -shShear ), y + ( bottom ? h - sw : h + shShear ) + bgShear );
rounded[ 3 ] = left && bottom && r.bottomLeft > 0 ? r.bottomLeft + 1 : 0;
return ShapeUtils.createRoundedShape ( corners, rounded );
}
}
}, bounds, sw, r, top, bottom, left, right );
}
@Override
public Object[] getShapeSettings ( final Rectangle bounds, final E c, final D d )
{
final Round r = getRound ();
final boolean ltr = c.getComponentOrientation ().isLeftToRight ();
final boolean top = isPaintTop ( c, d );
final boolean bottom = isPaintBottom ( c, d );
final boolean left = ltr ? isPaintLeft ( c, d ) : isPaintRight ( c, d );
final boolean right = ltr ? isPaintRight ( c, d ) : isPaintLeft ( c, d );
return new Object[]{ r, top, bottom, left, right };
}
@Override
public StretchInfo getStretchInfo ( final Rectangle bounds, final E c, final D d )
{
// Shape settings
final Round r = getRound ();
final boolean ltr = c.getComponentOrientation ().isLeftToRight ();
final boolean top = isPaintTop ( c, d );
final boolean bottom = isPaintBottom ( c, d );
final boolean left = ltr ? isPaintLeft ( c, d ) : isPaintRight ( c, d );
final boolean right = ltr ? isPaintRight ( c, d ) : isPaintLeft ( c, d );
final int sw = d.getShadeWidth ( ShadowType.outer );
final int bw = ( int ) Math.ceil ( d.getBorderWidth () );
final int isw = d.getShadeWidth ( ShadowType.inner );
// Horizontal stretch zone
final int x0 = bounds.x + ( left ? sw : 0 ) + MathUtils.max ( bw, isw, r.topLeft, r.bottomLeft );
final int x1 = bounds.x + bounds.width - 1 - ( right ? sw : 0 ) - MathUtils.max ( isw, bw, r.topRight, r.bottomRight );
final Pair hor = x0 < x1 ? new Pair ( x0, x1 ) : null;
// Vertical stretch zone
final int y0 = bounds.y + ( top ? sw : 0 ) + MathUtils.max ( isw, bw, r.topLeft, r.topRight );
final int y1 = bounds.y + bounds.height - 1 - ( bottom ? sw : 0 ) - MathUtils.max ( isw, bw, r.bottomLeft, r.bottomRight );
final Pair ver = y0 < y1 ? new Pair ( y0, y1 ) : null;
return new StretchInfo ( hor, ver );
}
@Override
public I merge ( final I shape )
{
super.merge ( shape );
if ( shape.round != null )
{
round = shape.round;
}
if ( shape.sides != null )
{
sides = shape.sides;
}
if ( shape.lines != null )
{
lines = shape.lines;
}
return ( I ) this;
}
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