/** Returns a FigureEnumeration of connectionfigures attached to this figure */
public FigureEnumeration getConnectionFigures(Figure inFigure) {
// If no figure or figure is non connectable, just return null
if (inFigure == null || !inFigure.canConnect()) {
return null;
}
// if (inFigure instanceof ConnectionFigure)
// return null;
List result = CollectionsFactory.current().createList(5);
FigureEnumeration figures = drawing().figures();
// Find all connection figures
while (figures.hasNextFigure()) {
Figure f = figures.nextFigure();
if ((f instanceof ConnectionFigure) && !(isFigureSelected(f))) {
ConnectionFigure cf = (ConnectionFigure) f;
if (cf.startFigure().includes(inFigure) || cf.endFigure().includes(inFigure)) {
result.add(f);
}
}
}
return new FigureEnumerator(result);
}
/**
* Inserts a FigureEnumeration of figures and translates them by the given offset. This function
* is used to insert figures from clipboards (cut/copy)
*
* @return enumeration which has been added to the drawing. The figures in the enumeration can
* have changed during adding them (e.g. they could have been decorated).
*/
public FigureEnumeration insertFigures(FigureEnumeration fe, int dx, int dy, boolean bCheck) {
if (fe == null) {
return FigureEnumerator.getEmptyEnumeration();
}
List vCF = CollectionsFactory.current().createList(10);
InsertIntoDrawingVisitor visitor = new InsertIntoDrawingVisitor(drawing());
while (fe.hasNextFigure()) {
Figure figure = fe.nextFigure();
if (figure instanceof ConnectionFigure) {
vCF.add(figure);
} else if (figure != null) {
figure.moveBy(dx, dy);
figure.visit(visitor);
}
}
FigureEnumeration ecf = new FigureEnumerator(vCF);
while (ecf.hasNextFigure()) {
ConnectionFigure cf = (ConnectionFigure) ecf.nextFigure();
Figure sf = cf.startFigure();
Figure ef = cf.endFigure();
if (figureExists(sf, drawing().figures())
&& figureExists(ef, drawing().figures())
&& (!bCheck || cf.canConnect(sf, ef))) {
if (bCheck) {
Point sp = sf.center();
Point ep = ef.center();
Connector fStartConnector = cf.startFigure().connectorAt(ep.x, ep.y);
Connector fEndConnector = cf.endFigure().connectorAt(sp.x, sp.y);
if (fEndConnector != null && fStartConnector != null) {
cf.connectStart(fStartConnector);
cf.connectEnd(fEndConnector);
cf.updateConnection();
}
}
cf.visit(visitor);
}
}
addToSelectionAll(visitor.getInsertedFigures());
return visitor.getInsertedFigures();
}
public String getToolTipText(Point p) {
ConnectionFigure f = (ConnectionFigure) getOwner();
if (f.getLiner() == null && savedLiner == null) {
ResourceBundleUtil labels = ResourceBundleUtil.getLAFBundle("org.jhotdraw.draw.Labels");
BezierPath.Node node = getBezierNode();
return (node == null)
? null
: labels.getFormatted(
"bezierNodeHandle.tip",
labels.getFormatted(
(node.getMask() == 0)
? "bezierNode.linearNode"
: ((node.getMask() == BezierPath.C1C2_MASK)
? "bezierNode.cubicNode"
: "bezierNode.quadraticNode")));
} else {
return null;
}
}
/**
* Connects the figure to the new connectableConnector. If there is no new connectableConnector
* the connection reverts to its original one.
*/
public void trackEnd(Point anchor, Point lead, int modifiersEx) {
ConnectionFigure f = getOwner();
// Change node type
if ((modifiersEx
& (InputEvent.META_DOWN_MASK
| InputEvent.CTRL_DOWN_MASK
| InputEvent.ALT_DOWN_MASK
| InputEvent.SHIFT_DOWN_MASK))
!= 0
&& (modifiersEx & InputEvent.BUTTON2_DOWN_MASK) == 0) {
f.willChange();
int index = getBezierNodeIndex();
BezierPath.Node v = f.getNode(index);
if (index > 0 && index < f.getNodeCount()) {
v.mask = (v.mask + 3) % 4;
} else if (index == 0) {
v.mask = ((v.mask & BezierPath.C2_MASK) == 0) ? BezierPath.C2_MASK : 0;
} else {
v.mask = ((v.mask & BezierPath.C1_MASK) == 0) ? BezierPath.C1_MASK : 0;
}
f.setNode(index, v);
f.changed();
fireHandleRequestSecondaryHandles();
}
Point2D.Double p = view.viewToDrawing(lead);
view.getConstrainer().constrainPoint(p);
Connector target = findConnectionTarget(p, view.getDrawing());
if (target == null) {
target = savedTarget;
}
setLocation(p);
if (target != savedTarget) {
disconnect();
connect(target);
}
getOwner().setLiner(savedLiner);
getOwner().updateConnection();
connectableConnector = null;
connectors = Collections.emptyList();
}
public void addDefaultCreationButtonsTo(
JToolBar tb,
final DrawingEditor editor,
Collection<Action> drawingActions,
Collection<Action> selectionActions) {
ResourceBundleUtil labels = ResourceBundleUtil.getBundle("org.jhotdraw.draw.Labels");
ButtonFactory.addSelectionToolTo(tb, editor, drawingActions, selectionActions);
tb.addSeparator();
AbstractAttributedFigure af;
CreationTool ct;
ConnectionTool cnt;
ConnectionFigure lc;
ButtonFactory.addToolTo(
tb, editor, new CreationTool(new RectangleFigure()), "edit.createRectangle", labels);
ButtonFactory.addToolTo(
tb,
editor,
new CreationTool(new RoundRectangleFigure()),
"edit.createRoundRectangle",
labels);
ButtonFactory.addToolTo(
tb, editor, new CreationTool(new EllipseFigure()), "edit.createEllipse", labels);
ButtonFactory.addToolTo(
tb, editor, new CreationTool(new DiamondFigure()), "edit.createDiamond", labels);
ButtonFactory.addToolTo(
tb, editor, new CreationTool(new TriangleFigure()), "edit.createTriangle", labels);
ButtonFactory.addToolTo(
tb, editor, new CreationTool(new LineFigure()), "edit.createLine", labels);
ButtonFactory.addToolTo(
tb, editor, ct = new CreationTool(new LineFigure()), "edit.createArrow", labels);
af = (AbstractAttributedFigure) ct.getPrototype();
af.set(END_DECORATION, new ArrowTip(0.35, 12, 11.3));
ButtonFactory.addToolTo(
tb,
editor,
new ConnectionTool(new LineConnectionFigure()),
"edit.createLineConnection",
labels);
ButtonFactory.addToolTo(
tb,
editor,
cnt = new ConnectionTool(new LineConnectionFigure()),
"edit.createElbowConnection",
labels);
lc = cnt.getPrototype();
lc.setLiner(new ElbowLiner());
ButtonFactory.addToolTo(
tb,
editor,
cnt = new ConnectionTool(new LineConnectionFigure()),
"edit.createCurvedConnection",
labels);
lc = cnt.getPrototype();
lc.setLiner(new CurvedLiner());
ButtonFactory.addToolTo(
tb, editor, new BezierTool(new BezierFigure()), "edit.createScribble", labels);
ButtonFactory.addToolTo(
tb, editor, new BezierTool(new BezierFigure(true)), "edit.createPolygon", labels);
ButtonFactory.addToolTo(
tb, editor, new TextCreationTool(new TextFigure()), "edit.createText", labels);
ButtonFactory.addToolTo(
tb, editor, new TextAreaCreationTool(new TextAreaFigure()), "edit.createTextArea", labels);
ButtonFactory.addToolTo(
tb, editor, new ImageTool(new ImageFigure()), "edit.createImage", labels);
}
public void lineout(ConnectionFigure figure) {
BezierPath path = ((LineConnectionFigure) figure).getBezierPath();
Connector start = figure.getStartConnector();
Connector end = figure.getEndConnector();
if (start == null || end == null || path == null) {
return;
}
// Special treatment if the connection connects the same figure
if (figure.getStartFigure() == figure.getEndFigure()) {
// Ensure path has exactly 4 nodes
while (path.size() < 4) {
path.add(1, new BezierPath.Node(0, 0));
}
while (path.size() > 4) {
path.remove(1);
}
Point2D.Double sp = start.findStart(figure);
Point2D.Double ep = end.findEnd(figure);
Rectangle2D.Double sb = start.getBounds();
Rectangle2D.Double eb = end.getBounds();
int soutcode = sb.outcode(sp);
if (soutcode == 0) {
soutcode = Geom.outcode(sb, eb);
}
int eoutcode = eb.outcode(ep);
if (eoutcode == 0) {
eoutcode = Geom.outcode(sb, eb);
}
path.get(0).moveTo(sp);
path.get(path.size() - 1).moveTo(ep);
switch (soutcode) {
case Geom.OUT_TOP:
eoutcode = Geom.OUT_LEFT;
break;
case Geom.OUT_RIGHT:
eoutcode = Geom.OUT_TOP;
break;
case Geom.OUT_BOTTOM:
eoutcode = Geom.OUT_RIGHT;
break;
case Geom.OUT_LEFT:
eoutcode = Geom.OUT_BOTTOM;
break;
default:
eoutcode = Geom.OUT_TOP;
soutcode = Geom.OUT_RIGHT;
break;
}
// path.get(0).moveTo(sp.x + shoulderSize, sp.y);
path.get(0).mask = BezierPath.C2_MASK;
if ((soutcode & Geom.OUT_RIGHT) != 0) {
path.get(0).x[2] = sp.x + shoulderSize;
path.get(0).y[2] = sp.y;
} else if ((soutcode & Geom.OUT_LEFT) != 0) {
path.get(0).x[2] = sp.x - shoulderSize;
path.get(0).y[2] = sp.y;
} else if ((soutcode & Geom.OUT_BOTTOM) != 0) {
path.get(0).x[2] = sp.x;
path.get(0).y[2] = sp.y + shoulderSize;
} else {
path.get(0).x[2] = sp.x;
path.get(0).y[2] = sp.y - shoulderSize;
}
path.get(1).mask = BezierPath.C2_MASK;
path.get(1).moveTo(sp.x + shoulderSize, (sp.y + ep.y) / 2);
path.get(1).x[2] = sp.x + shoulderSize;
path.get(1).y[2] = ep.y - shoulderSize;
path.get(2).mask = BezierPath.C1_MASK;
path.get(2).moveTo((sp.x + ep.x) / 2, ep.y - shoulderSize);
path.get(2).x[1] = sp.x + shoulderSize;
path.get(2).y[1] = ep.y - shoulderSize;
path.get(3).mask = BezierPath.C1_MASK;
if ((eoutcode & Geom.OUT_RIGHT) != 0) {
path.get(3).x[1] = ep.x + shoulderSize;
path.get(3).y[1] = ep.y;
} else if ((eoutcode & Geom.OUT_LEFT) != 0) {
path.get(3).x[1] = ep.x - shoulderSize;
path.get(3).y[1] = ep.y;
} else if ((eoutcode & Geom.OUT_BOTTOM) != 0) {
path.get(3).x[1] = ep.x;
path.get(3).y[1] = ep.y + shoulderSize;
} else {
path.get(3).x[1] = ep.x;
path.get(3).y[1] = ep.y - shoulderSize;
}
} else {
Point2D.Double sp = start.findStart(figure);
Point2D.Double ep = end.findEnd(figure);
path.clear();
if (sp.x == ep.x || sp.y == ep.y) {
path.add(new BezierPath.Node(ep.x, ep.y));
} else {
Rectangle2D.Double sb = start.getBounds();
sb.x += 5d;
sb.y += 5d;
sb.width -= 10d;
sb.height -= 10d;
Rectangle2D.Double eb = end.getBounds();
eb.x += 5d;
eb.y += 5d;
eb.width -= 10d;
eb.height -= 10d;
int soutcode = sb.outcode(sp);
if (soutcode == 0) {
soutcode = Geom.outcode(sb, eb);
}
int eoutcode = eb.outcode(ep);
if (eoutcode == 0) {
eoutcode = Geom.outcode(eb, sb);
}
if ((soutcode & (Geom.OUT_TOP | Geom.OUT_BOTTOM)) != 0
&& (eoutcode & (Geom.OUT_TOP | Geom.OUT_BOTTOM)) != 0) {
path.add(
new BezierPath.Node(
BezierPath.C2_MASK, sp.x, sp.y, sp.x, sp.y, sp.x, (sp.y + ep.y) / 2));
path.add(
new BezierPath.Node(
BezierPath.C1_MASK, ep.x, ep.y, ep.x, (sp.y + ep.y) / 2, ep.x, ep.y));
} else if ((soutcode & (Geom.OUT_LEFT | Geom.OUT_RIGHT)) != 0
&& (eoutcode & (Geom.OUT_LEFT | Geom.OUT_RIGHT)) != 0) {
path.add(
new BezierPath.Node(
BezierPath.C2_MASK, sp.x, sp.y, sp.x, sp.y, (sp.x + ep.x) / 2, sp.y));
path.add(
new BezierPath.Node(
BezierPath.C1_MASK, ep.x, ep.y, (sp.x + ep.x) / 2, ep.y, ep.x, ep.y));
} else if (soutcode == Geom.OUT_BOTTOM || soutcode == Geom.OUT_TOP) {
path.add(new BezierPath.Node(BezierPath.C2_MASK, sp.x, sp.y, sp.x, sp.y, sp.x, ep.y));
path.add(new BezierPath.Node(ep.x, ep.y));
} else {
path.add(new BezierPath.Node(BezierPath.C2_MASK, sp.x, sp.y, sp.x, sp.y, ep.x, sp.y));
path.add(new BezierPath.Node(ep.x, ep.y));
}
}
}
path.invalidatePath();
}