/**
* 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();
}
private void moveSelection(int dx, int dy) {
FigureEnumeration figures = selection();
while (figures.hasNextFigure()) {
figures.nextFigure().moveBy(dx, dy);
}
checkDamage();
}
/** 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);
}
private void setupAttributes() {
Color frameColor =
(Color) AttributeFigure.getDefaultAttribute(FigureAttributeConstant.FRAME_COLOR);
Color fillColor =
(Color) AttributeFigure.getDefaultAttribute(FigureAttributeConstant.FILL_COLOR);
Integer arrowMode =
(Integer) AttributeFigure.getDefaultAttribute(FigureAttributeConstant.ARROW_MODE);
String fontName =
(String) AttributeFigure.getDefaultAttribute(FigureAttributeConstant.FONT_NAME);
FigureEnumeration fe = view().selection();
while (fe.hasNextFigure()) {
Figure f = fe.nextFigure();
frameColor = (Color) f.getAttribute(FigureAttributeConstant.FRAME_COLOR);
fillColor = (Color) f.getAttribute(FigureAttributeConstant.FILL_COLOR);
arrowMode = (Integer) f.getAttribute(FigureAttributeConstant.ARROW_MODE);
fontName = (String) f.getAttribute(FigureAttributeConstant.FONT_NAME);
}
fFrameColor.setSelectedIndex(ColorMap.colorIndex(frameColor));
fFillColor.setSelectedIndex(ColorMap.colorIndex(fillColor));
if (arrowMode != null) {
fArrowChoice.setSelectedIndex(arrowMode.intValue());
}
if (fontName != null) {
fFontChoice.setSelectedItem(fontName);
}
}
/**
* Return the size of the area occupied by the contained figures inside the drawing. This method
* is called by checkMinimumSize().
*/
protected Dimension getDrawingSize() {
FigureEnumeration fe = drawing().figures();
Dimension d = new Dimension(0, 0);
while (fe.hasNextFigure()) {
Rectangle r = fe.nextFigure().displayBox();
d.width = Math.max(d.width, r.x + r.width);
d.height = Math.max(d.height, r.y + r.height);
}
return d;
}
/** Check existance of figure in the drawing */
public boolean figureExists(Figure inf, FigureEnumeration fe) {
while (fe.hasNextFigure()) {
Figure figure = fe.nextFigure();
if (figure.includes(inf)) {
return true;
}
}
return false;
}
/**
* Gets the currently selected figures in Z order.
*
* @see #selection
* @return a FigureEnumeration with the selected figures. The enumeration represents a snapshot of
* the current selection.
*/
public FigureEnumeration selectionZOrdered() {
List result = CollectionsFactory.current().createList(selectionCount());
FigureEnumeration figures = drawing().figures();
while (figures.hasNextFigure()) {
Figure f = figures.nextFigure();
if (isFigureSelected(f)) {
result.add(f);
}
}
return new ReverseFigureEnumerator(result);
}
/** Gets an enumeration of the currently active handles. */
protected HandleEnumeration selectionHandles() {
if (fSelectionHandles == null) {
fSelectionHandles = CollectionsFactory.current().createList();
FigureEnumeration fe = selection();
while (fe.hasNextFigure()) {
Figure figure = fe.nextFigure();
HandleEnumeration kk = figure.handles();
while (kk.hasNextHandle()) {
fSelectionHandles.add(kk.nextHandle());
}
}
}
return new HandleEnumerator(fSelectionHandles);
}
/** Clears the current selection. */
public void clearSelection() {
// there is nothing selected - bug fix ID 628818
if (selectionCount() == 0) {
// avoid unnecessary selection changed event when nothing has to be cleared
return;
}
FigureEnumeration fe = selection();
while (fe.hasNextFigure()) {
fe.nextFigure().invalidate();
}
fSelection = CollectionsFactory.current().createList();
fSelectionHandles = null;
fireSelectionChanged();
}
/** Adds a FigureEnumeration to the current selection. */
public void addToSelectionAll(FigureEnumeration fe) {
while (fe.hasNextFigure()) {
addToSelection(fe.nextFigure());
}
}
/** Adds a Collection of figures to the drawing. */
public void addAll(Collection figures) {
FigureEnumeration fe = new FigureEnumerator(figures);
while (fe.hasNextFigure()) {
add(fe.nextFigure());
}
}