Examples of diva.canvas.toolbox.LabelFigure

diva.canvas.toolbox.LabelFigure
A figure which draws a string. If the string contains newlines, then it will be broken up into multiple lines. Strings can be "anchored" in the center or on one of the edges or corners, so that when the font or text changes, the label appears to stay in the right location. @author Michael Shilman @author John Reekie @version $Id: LabelFigure.java,v 1.16 2005/07/08 19:54:58 cxh Exp $

    public static class LabelFigureFactory implements FigureTest.FigureFactory {
        // FindBugs suggests making this class static so as to decrease
        // the size of instances and avoid dangling references.


        public Figure createFigure() {
            LabelFigure label = new LabelFigure("Hello!");
            label.translate(200, 200);
            return label;
        }

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                headSite.getNormal());
        c.setHeadEnd(arrow);


        Object p = "edge"; //edge.getProperty("label");
        String label = (p == null) ? "#" : (String) p;
        LabelFigure labelFigure = new LabelFigure(label);
        String fontname = labelFigure.getFont().getFontName();
        labelFigure.setFont(new Font(fontname, Font.ITALIC, 14));
        c.setLabelFigure(labelFigure);
        return c;
    }

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                    }
                };


                if ((name != null) && !name.equals("")
                        && !(port instanceof ParameterPort)) {
                    LabelFigure label = new LabelFigure(name, _labelFont, 1.0,
                            SwingConstants.SOUTH_WEST);


                    // Shift the label slightly right so it doesn't
                    // collide with ports.
                    label.translateTo(backBounds.getX(), backBounds.getY());
                    ((CompositeFigure) figure).add(label);
                }


                if (port instanceof IOPort) {
                    // Create a diagonal connector for multiports, if necessary.

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     *  @return A new figure.
     */
    public Figure createBackgroundFigure() {
        // Measure width of a character.  Unfortunately, this
        // requires generating a label figure that we will not use.
        LabelFigure label = new LabelFigure("m", _labelFont, 1.0,
                SwingConstants.CENTER);
        Rectangle2D stringBounds = label.getBounds();


        try {
            int numberOfCharacters = ((IntToken) displayWidth.getToken())
                    .intValue();

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            public void run() {
                String string = _displayString();
                Iterator figures = _liveFigureIterator();


                while (figures.hasNext()) {
                    LabelFigure figure = (LabelFigure) figures.next();
                    figure.setString(string);
                }
            }
        });
    }

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            String name = container.getDisplayName();


            // Do not add a label figure if the name is null.
            if ((name != null) && !name.equals("")) {
                if (!_isPropertySet(container, "_centerName")) {
                    LabelFigure label = new LabelFigure(name, _labelFont, 1.0,
                            SwingConstants.SOUTH_WEST);


                    // Shift the label slightly right so it doesn't
                    // collide with ports.
                    label.translateTo(backBounds.getX() + 5, backBounds.getY());
                    figure.add(label);
                } else {
                    LabelFigure label = new LabelFigure(name, _labelFont, 1.0,
                            SwingConstants.CENTER);
                    label.translateTo(backBounds.getCenterX(), backBounds
                            .getCenterY());
                    figure.add(label);
                }
            }
        }


        // If specified by a preference, then show parameters.
        Token show = PtolemyPreferences.preferenceValueLocal(container,
                "_showParameters");


        if (show instanceof StringToken) {
            String value = ((StringToken) show).stringValue();
            boolean showOverriddenParameters = value
                    .equals("Overridden parameters only");
            boolean showAllParameters = value.equals("All");


            if ((showOverriddenParameters && !_isPropertySet(container,
                    "_hideAllParameters"))
                    || showAllParameters) {
                StringBuffer parameters = new StringBuffer();
                Iterator settables = container.attributeList(Settable.class)
                        .iterator();


                while (settables.hasNext()) {
                    Settable settable = (Settable) settables.next();


                    if (settable.getVisibility() != Settable.FULL) {
                        continue;
                    }


                    if (!showAllParameters
                            && !((NamedObj) settable).isOverridden()) {
                        continue;
                    }


                    if (!showAllParameters
                            && _isPropertySet((NamedObj) settable, "_hide")) {
                        continue;
                    }


                    String name = settable.getName();
                    String displayName = settable.getDisplayName();
                    parameters.append(displayName);


                    if (showAllParameters && !name.equals(displayName)) {
                        parameters.append(" (" + name + ")");
                    }


                    parameters.append(": ");
                    parameters.append(settable.getExpression());


                    if (settables.hasNext()) {
                        parameters.append("\n");
                    }
                }


                LabelFigure label = new LabelFigure(parameters.toString(),
                        _parameterFont, 1.0, SwingConstants.NORTH_WEST);


                // Shift the label slightly right so it doesn't
                // collide with ports.
                label.translateTo(backBounds.getX() + 5, backBounds.getY()
                        + backBounds.getHeight());
                figure.add(label);
            }
        }

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        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()) + 10;

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        // able to update that figure when setShape() is called.  Hence,
        // this class keeps a list of all the figures it has created.
        // The references to these figures, however, have to be weak
        // references, so that this class does not interfere with garbage
        // collection of the figure when the view is destroyed.
        LabelFigure newFigure;


        if (_text != null) {
            newFigure = new LabelFigure(_text, _font);
        } else {
            newFigure = new LabelFigure(_DEFAULT_TEXT, _font);
        }


        // By default, the origin should be the upper left.
        newFigure.setAnchor(SwingConstants.NORTH_WEST);
        newFigure.setFillPaint(_textColor);


        _addLiveFigure(newFigure);
        return newFigure;
    }

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        if (_iconCache != null) {
            return _iconCache;
        }


        // No cached object, so rerender the icon.
        LabelFigure figure = new LabelFigure(_iconText, _font);
        figure.setFillPaint(_textColor);
        _iconCache = new FigureIcon(figure, 20, 15);
        return _iconCache;
    }

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        Nameable container = getContainer();


        if (container instanceof Settable) {
            String name = container.getDisplayName();
            String value = ((Settable) container).getExpression();
            LabelFigure label = new LabelFigure(name + ": " + value,
                    _labelFont, 1.0, SwingConstants.SOUTH_WEST);
            background.add(label);
            return background;
        } else {
            String name = container.getName();
            LabelFigure label = new LabelFigure(name, _labelFont, 1.0,
                    SwingConstants.SOUTH_WEST);
            background.add(label);
            return background;
        }
    }

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