/*
* ShapedFoldPainter.java
* :tabSize=4:indentSize=4:noTabs=false:
* :folding=explicit:collapseFolds=0:
*
* Copyright (C) 2008 Shlomy Reinstein
*
* This program 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 2
* of the License, or any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.gjt.sp.jedit.textarea;
import java.awt.Graphics2D;
import org.gjt.sp.jedit.buffer.JEditBuffer;
// {{{ ShapedFoldPainter class
/**
* Fold Painter
*/
public abstract class ShapedFoldPainter implements FoldPainter
{
// {{{ paintFoldEnd()
public void paintFoldEnd(Gutter gutter, Graphics2D gfx, int screenLine,
int physicalLine, int y, int lineHeight, JEditBuffer buffer)
{
gfx.setColor(gutter.getFoldColor());
int _y = y + lineHeight / 2;
int _x = 5;
gfx.drawLine(_x,y,_x,_y+3);
gfx.drawLine(_x,_y+3,_x+4,_y+3);
boolean nested = (physicalLine < buffer.getLineCount() - 1 &&
buffer.getFoldLevel(physicalLine + 1) > 0);
if (nested)
gfx.drawLine(_x,y+4,_x,y+lineHeight-1);
}// }}}
// {{{ paintFoldMiddle()
public void paintFoldMiddle(Gutter gutter, Graphics2D gfx, int screenLine,
int physicalLine, int y, int lineHeight, JEditBuffer buffer)
{
gfx.setColor(gutter.getFoldColor());
gfx.drawLine(5,y,5,y+lineHeight-1);
}// }}}
// {{{ paintFoldStart()
public void paintFoldStart(Gutter gutter, Graphics2D gfx, int screenLine,
int physicalLine, boolean nextLineVisible, int y, int lineHeight,
JEditBuffer buffer)
{
int _y = y + lineHeight / 2;
int _x = 5;
gfx.setColor(gutter.getFoldColor());
paintFoldShape(gfx, _y - 4, _y + 4);
gfx.drawLine(_x-2,_y,_x+2,_y);
boolean nested = (buffer.getFoldLevel(physicalLine) > 0);
if (nested)
gfx.drawLine(_x,y,_x,_y-5);
if (nextLineVisible)
gfx.drawLine(_x,_y+5,_x,y+lineHeight-1);
else
{
gfx.drawLine(_x,_y-2,_x,_y+2);
if (nested)
gfx.drawLine(_x,_y+4,_x,y+lineHeight-1);
}
}// }}}
protected abstract void paintFoldShape(Graphics2D gfx, int top, int bottom);
} // }}}