/*
Copyright (c) 2008-2009 The Regents of the University of California.
All rights reserved.
Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the above
copyright notice and the following two paragraphs appear in all copies
of this software.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.
PT_COPYRIGHT_VERSION_2
COPYRIGHTENDKEY
*/
package ptolemy.vergil.ptera;
import java.awt.Color;
import java.awt.Font;
import java.awt.Paint;
import java.awt.geom.Rectangle2D;
import javax.swing.SwingConstants;
import ptolemy.data.ArrayToken;
import ptolemy.data.ScalarToken;
import ptolemy.data.expr.Parameter;
import ptolemy.domains.ptera.kernel.Event;
import ptolemy.kernel.util.IllegalActionException;
import ptolemy.kernel.util.InternalErrorException;
import ptolemy.kernel.util.NameDuplicationException;
import ptolemy.kernel.util.NamedObj;
import ptolemy.vergil.icon.NameIcon;
import diva.canvas.CompositeFigure;
import diva.canvas.Figure;
import diva.canvas.ZList;
import diva.canvas.toolbox.BasicFigure;
import diva.canvas.toolbox.LabelFigure;
import diva.util.java2d.Polygon2D;
//////////////////////////////////////////////////////////////////////////
//// TestIcon
/**
@author Thomas Huining Feng
@version $Id$
@since Ptolemy II 7.1
@Pt.ProposedRating Red (tfeng)
@Pt.AcceptedRating Red (tfeng)
*/
public class TestIcon extends NameIcon {
public TestIcon(NamedObj container, String name)
throws NameDuplicationException, IllegalActionException {
super(container, name);
}
public Figure createBackgroundFigure() {
String name = "No Name";
NamedObj container = getContainer();
if (container != null) {
name = container.getDisplayName();
}
double width = 60;
double height = 30;
// Measure width of the text. Unfortunately, this
// requires generating a label figure that we will not use.
LabelFigure label = new LabelFigure(name, _labelFont, 1.0,
SwingConstants.CENTER);
CompositeFigure figure = new CompositeFigure(label);
Event event = (Event) getContainer();
String parameters = null;
String actions = null;
if (event != null) {
try {
if (event.parameters.getParameterNames().size() > 0) {
parameters = event.parameters.getValueAsString();
}
} catch (IllegalActionException ex) {
throw new InternalErrorException(event.parameters, ex,
"Failed to get argument name list.");
}
String exp = event.actions.getExpression();
if (exp != null && !exp.trim().equals("")) {
actions = "{ " + exp + " }";
}
}
if (parameters != null) {
label = _addLabel(figure, label, parameters);
}
if (actions != null) {
_addLabel(figure, label, actions);
}
Rectangle2D stringBounds = figure.getBounds();
// NOTE: Padding of 20. Quantize the height so that
// snap to grid still works.
width = Math.floor(stringBounds.getWidth()) + 40;
height = Math.floor(stringBounds.getHeight()) + 24;
Polygon2D polygon = new Polygon2D.Double(new double[] { 0.0,
height / 2.0, width / 2, 0.0, width, height / 2.0, width / 2.0,
height });
return new BasicFigure(polygon, _getFill(), _getLineWidth());
}
public Figure createFigure() {
CompositeFigure figure = (CompositeFigure) super.createFigure();
LabelFigure label = null;
ZList children = figure.getChildren();
for (int i = children.getFigureCount() - 1; i >= 0; i--) {
Figure childFigure = children.get(i);
if (childFigure instanceof LabelFigure) {
label = (LabelFigure) childFigure;
break;
}
}
if (label == null) {
return figure;
} else if (label != null) {
Rectangle2D bounds = figure.getBounds();
label.translateTo(bounds.getCenterX(), bounds.getMinY()
+ label.getBounds().getHeight() / 2.0 + 15.0);
}
String actions = null;
String parameters = null;
Event event = (Event) getContainer();
if (event != null) {
try {
if (event.parameters.getParameterNames().size() > 0) {
parameters = event.parameters.getValueAsString();
}
} catch (IllegalActionException ex) {
throw new InternalErrorException(event.parameters, ex,
"Failed to get argument name list.");
}
String exp = event.actions.getExpression();
if (exp != null && !exp.trim().equals("")) {
actions = "{ " + exp + " }";
}
}
if (parameters != null) {
label = _addLabel(figure, label, parameters);
}
if (actions != null) {
_addLabel(figure, label, actions);
}
return figure;
}
protected Paint _getFill() {
Parameter colorParameter;
try {
colorParameter = (Parameter) (getAttribute("fill", Parameter.class));
if (colorParameter != null) {
ArrayToken array = (ArrayToken) colorParameter.getToken();
if (array.length() == 4) {
Color color = new Color((float) ((ScalarToken) array
.getElement(0)).doubleValue(),
(float) ((ScalarToken) array.getElement(1))
.doubleValue(),
(float) ((ScalarToken) array.getElement(2))
.doubleValue(),
(float) ((ScalarToken) array.getElement(3))
.doubleValue());
return color;
}
}
} catch (Throwable e) {
// Ignore and return the default.
}
return super._getFill();
}
private LabelFigure _addLabel(CompositeFigure figure, Figure previous,
String text) {
Rectangle2D bounds = previous.getBounds();
LabelFigure label = new LabelFigure(text, _ACTION_FONT, 1.0,
SwingConstants.CENTER);
Rectangle2D newBounds = label.getBounds();
label.translateTo(bounds.getCenterX(), bounds.getMaxY()
+ newBounds.getHeight() / 2.0 + 7.0);
figure.add(label);
return label;
}
private static final Font _ACTION_FONT = new Font("SansSerif", Font.PLAIN,
10);
}