/**
* Removes a figure from the composite.
*
* @see #removeAll
*/
public Figure remove(Figure figure) {
if (fFigures.contains(figure)) {
figure.removeFromContainer(this);
fFigures.removeElement(figure);
}
return figure;
}
/** Adds a figure to the list of figures. Initializes the the figure's container. */
public Figure add(Figure figure) {
if (!fFigures.contains(figure)) {
fFigures.addElement(figure);
figure.addToContainer(this);
}
return figure;
}
/** Brings a figure to the front. */
public synchronized void bringToFront(Figure figure) {
if (fFigures.contains(figure)) {
fFigures.removeElement(figure);
fFigures.addElement(figure);
figure.changed();
}
}
/** Sends a figure to the back of the drawing. */
public synchronized void sendToBack(Figure figure) {
if (fFigures.contains(figure)) {
fFigures.removeElement(figure);
fFigures.insertElementAt(figure, 0);
figure.changed();
}
}
/** Replaces a figure in the drawing without removing it from the drawing. */
public synchronized void replace(Figure figure, Figure replacement) {
int index = fFigures.indexOf(figure);
if (index != -1) {
replacement.addToContainer(this); // will invalidate figure
figure.changed();
fFigures.setElementAt(replacement, index);
}
}
/**
* Gets the handles of the figure. It returns the normal PolyLineHandles but adds
* ChangeConnectionHandles at the start and end.
*/
public Vector handles() {
Vector handles = new Vector(fPoints.size());
handles.addElement(new ChangeConnectionStartHandle(this));
for (int i = 1; i < fPoints.size() - 1; i++) {
handles.addElement(new PolyLineHandle(this, locator(i), i));
}
handles.addElement(new ChangeConnectionEndHandle(this));
return handles;
}
/**
* Removes all children.
*
* @see #remove
*/
public void removeAll() {
FigureEnumeration k = figures();
while (k.hasMoreElements()) {
Figure figure = k.nextFigure();
figure.removeFromContainer(this);
}
fFigures.removeAllElements();
}
/**
* Removes a vector of figures.
*
* @see #remove
*/
public void removeAll(Vector figures) {
Enumeration k = figures.elements();
while (k.hasMoreElements()) remove((Figure) k.nextElement());
}
/**
* Adds a vector of figures.
*
* @see #add
*/
public void addAll(Vector newFigures) {
Enumeration k = newFigures.elements();
while (k.hasMoreElements()) add((Figure) k.nextElement());
}
public String getMap() {
String areas = "";
Enumeration k = fFigures.elements();
while (k.hasMoreElements()) areas += ((Storable) k.nextElement()).getMap();
return areas;
}
/** Writes the contained figures to the StorableOutput. */
public void write(StorableOutput dw) {
super.write(dw);
dw.writeInt(fFigures.size());
Enumeration k = fFigures.elements();
while (k.hasMoreElements()) dw.writeStorable((Storable) k.nextElement());
}
/** Gets number of child figures. */
public int figureCount() {
return fFigures.size();
}
/** Gets a figure at the given index. */
public Figure figureAt(int i) {
return (Figure) fFigures.elementAt(i);
}
/**
* Removes a figure from the figure list, but doesn't release it. Use this method to temporarily
* manipulate a figure outside of the drawing.
*/
public synchronized Figure orphan(Figure figure) {
fFigures.removeElement(figure);
return figure;
}