/*
* Open Source Physics software is free software as described near the bottom of this code file.
*
* For additional information and documentation on Open Source Physics please see:
* <http://www.opensourcephysics.org/>
*/
package org.opensourcephysics.display.axes;
import java.awt.Color;
import java.awt.Font;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.text.DecimalFormat;
import org.opensourcephysics.display.DrawableTextLine;
import org.opensourcephysics.display.DrawingPanel;
import org.opensourcephysics.tools.FontSizer;
/**
* An abstract class for axes that defines font and title accessor methods.
* <p>Copyright (c) 2006</p>
*
* @author Wolfgang Christian
* @version 1.0
*/
public abstract class AbstractAxes implements DrawableAxes {
/** default gutters. */
protected int defaultLeftGutter = 45;
protected int defaultTopGutter = 25;
protected int defaultRightGutter = 25;
protected int defaultBottomGutter = 45;
protected boolean visible = true;
protected Font titleFont = new Font("Dialog", Font.BOLD, 14); //$NON-NLS-1$
protected Font labelFont = new Font("SansSerif", Font.PLAIN, 9); //$NON-NLS-1$
protected Font superscriptFont = new Font("SansSerif", Font.PLAIN, 9); //$NON-NLS-1$
protected DecimalFormat labelFormat = new DecimalFormat("0.0"); //$NON-NLS-1$
protected Color gridcolor = Color.lightGray;
protected Color interiorColor = Color.white;
protected DrawableTextLine titleLine = new DrawableTextLine("", 0, 0); //$NON-NLS-1$
protected DrawingPanel drawingPanel;
/**
* Creates axes that will display themselves within the given drawing panel.
*
* @param drawingPanel DrawingPanel
*/
public AbstractAxes(DrawingPanel drawingPanel) {
this.drawingPanel = drawingPanel;
resizeFonts(FontSizer.getFactor(FontSizer.getLevel()), drawingPanel);
// Changes font size
FontSizer.addPropertyChangeListener("level", new PropertyChangeListener() { //$NON-NLS-1$
public void propertyChange(PropertyChangeEvent e) {
resizeFonts(FontSizer.getFactor(FontSizer.getLevel()), AbstractAxes.this.drawingPanel);
}
});
}
/**
* Sets gutters that give the best appearance.
* @param left
* @param top
* @param right
* @param bottom
*/
public void setDefaultGutters(int left, int top, int right, int bottom) {
defaultLeftGutter = left;
defaultTopGutter = top;
defaultRightGutter = right;
defaultBottomGutter = bottom;
}
public void resetPanelGutters() {
drawingPanel.setPreferredGutters(defaultLeftGutter, defaultTopGutter, defaultRightGutter, defaultBottomGutter);
}
/**
* Sets the visibility of the axes.
*
* @param isVisible true if the axes are visible
*/
public void setVisible(boolean isVisible) {
visible = isVisible;
}
/**
* Gets the visibility of the axes.
*
* @return true if the axes is drawn
*/
public boolean isVisible() {
return visible;
}
/**
* Sets the interior background color.
*
* @param color The new interiorBackground value
*/
public void setInteriorBackground(Color color) {
interiorColor = color;
}
/**
* Gets the color of the interior of the axes.
*
* @return Color
*/
public Color getInteriorBackground() {
return interiorColor;
}
/**
* Resizes fonts by the specified factor.
*
* @param factor the factor
* @param panel the drawing panel on which these axes are drawn
*/
public void resizeFonts(double factor, DrawingPanel panel) {
labelFont = FontSizer.getResizedFont(labelFont, factor);
superscriptFont = FontSizer.getResizedFont(superscriptFont, factor);
titleFont = FontSizer.getResizedFont(titleFont, factor);
titleLine.setFont(titleFont);
}
/**
* Gets the title.
*
* @return String
*/
public String getTitle() {
return titleLine.getText();
}
/**
* Set a title that will be drawn within the drawing panel.
* The font names understood are those understood by java.awt.Font.decode().
* If the font name is null, the font remains unchanged.
*
* @param s the label
* @param font_name an optional font name
*/
public void setTitle(String s, String font_name) {
titleLine.setText(s);
if((font_name==null)||font_name.equals("")) { //$NON-NLS-1$
return;
}
titleLine.setFont(Font.decode(font_name));
}
}
/*
* Open Source Physics software is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public License (GPL) as
* published by the Free Software Foundation; either version 2 of the License,
* or(at your option) any later version.
* Code that uses any portion of the code in the org.opensourcephysics package
* or any subpackage (subdirectory) of this package must must also be be released
* under the GNU GPL license.
*
* This software 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
* or view the license online at http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2007 The Open Source Physics project
* http://www.opensourcephysics.org
*/