/**
* Create a new background figure. This overrides the base class to with a different display
* height and hides the name of the container if it exists.
*
* @return A new figure.
*/
public Figure createBackgroundFigure() {
String displayString = _displayString();
double width = 60;
double height = 30;
if (displayString != null) {
// Measure width of the text. Unfortunately, this
// requires generating a label figure that we will not use.
LabelFigure label = new LabelFigure(displayString, _labelFont, 1.0, SwingConstants.CENTER);
Rectangle2D stringBounds = label.getBounds();
// NOTE: Padding of 20. Quantize the height so that
// snap to grid still works.
width = Math.floor(stringBounds.getWidth()) + 20;
height = Math.floor(stringBounds.getHeight()) + 20;
// If the container name exists, hide it.
if (displayString.trim().length() > 0) {
try {
SingletonParameter hideName = new SingletonParameter(this.getContainer(), "_hideName");
hideName.setExpression("true");
} catch (Exception e) {
// Do nothing.
}
}
}
return new BasicRectangle(0, 0, width, height, Color.white, 1);
}
/** Render a visual representation of the given edge. */
public Connector render(Object edge, Site tailSite, Site headSite) {
// FIXME: Find a way to set the curvature (the third argument).
ArcConnector c = new ArcConnector(tailSite, headSite);
Arrowhead arrow = new Arrowhead(headSite.getX(), headSite.getY(), headSite.getNormal());
c.setHeadEnd(arrow);
Object p = "edge"; // edge.getProperty("label");
String label = p.toString();
LabelFigure labelFigure = new LabelFigure(label);
String fontname = labelFigure.getFont().getFontName();
labelFigure.setFont(new Font(fontname, Font.ITALIC, 14));
c.setLabelFigure(labelFigure);
return c;
}
/**
* Create a new background figure. This overrides the base class to draw a box around the value
* display, where the width of the box depends on the value.
*
* @return A new figure.
*/
public Figure createBackgroundFigure() {
String displayString = _displayString();
double width = 60;
double heigth = 30;
if (displayString != null) {
// Measure width of the text. Unfortunately, this
// requires generating a label figure that we will not use.
LabelFigure label = new LabelFigure(displayString, _labelFont, 1.0, SwingConstants.CENTER);
Rectangle2D stringBounds = label.getBounds();
// NOTE: Padding of 20.
width = stringBounds.getWidth() + 20;
heigth = stringBounds.getHeight() + 10;
}
BasicRectangle result = new BasicRectangle(0, 0, width, heigth, Color.white, 1);
// FIXME: Doesn't do the right thing.
// result.setCentered(false);
return result;
}
/**
* Create a new Diva figure that visually represents this icon. The figure will be an instance of
* LabelFigure that renders the values of the attributes of the container.
*
* @return A new CompositeFigure consisting of the label.
*/
public Figure createFigure() {
CompositeFigure result = (CompositeFigure) super.createFigure();
String truncated = _displayString();
// If there is no string to display now, then create a string
// with a single blank.
if (truncated == null) {
truncated = " ";
}
// NOTE: This violates the Diva MVC architecture!
// This attribute is part of the model, and should not have
// a reference to this figure. By doing so, it precludes the
// possibility of having multiple views on this model.
LabelFigure label = new LabelFigure(truncated, _labelFont, 1.0, SwingConstants.CENTER);
Rectangle2D backBounds = result.getBackgroundFigure().getBounds();
label.translateTo(backBounds.getCenterX(), backBounds.getCenterY());
result.add(label);
_addLiveFigure(label);
return result;
}