/**
* Writes the attributes to a StorableInput. FigureAttributes store the following types directly:
* Color, Boolean, String, Int. Other attribute types have to implement the Storable interface or
* they have to be wrapped by an object that implements Storable.
*
* @see Storable
* @see #write
*/
public void write(StorableOutput dw) {
dw.writeString("attributes");
dw.writeInt(fMap.size()); // number of attributes
Enumeration k = fMap.keys();
while (k.hasMoreElements()) {
String s = (String) k.nextElement();
Object v = fMap.get(s);
dw.writeString(s);
if (v instanceof String) {
dw.writeString("String");
dw.writeString((String) v);
} else if (v instanceof Color) {
writeColor(dw, "Color", (Color) v);
} else if (v instanceof Boolean) {
dw.writeString("Boolean");
if (((Boolean) v).booleanValue()) {
dw.writeString("TRUE");
} else {
dw.writeString("FALSE");
}
} else if (v instanceof Integer) {
dw.writeString("Int");
dw.writeInt(((Integer) v).intValue());
} else if (v instanceof Storable) {
dw.writeString("Storable");
dw.writeStorable((Storable) v);
} else if (v instanceof javax.swing.JPopupMenu) {
dw.writeString(Figure.POPUP_MENU);
} else {
System.err.println("Unknown attribute: " + v);
dw.writeString("UNKNOWN");
}
}
}
/**
* 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());
}
/**
* Returns the next element of the enumeration. Calls to this method will enumerate successive
* elements.
*
* @exception NoSuchElementException If no more elements exist.
*/
public Figure nextFigure() {
return (Figure) fEnumeration.nextElement();
}
/**
* Returns the next element of the enumeration. Calls to this method will enumerate successive
* elements.
*
* @exception NoSuchElementException If no more elements exist.
*/
public Object nextElement() {
return fEnumeration.nextElement();
}
/** Returns true if the enumeration contains more elements; false if its empty. */
public boolean hasMoreElements() {
return fEnumeration.hasMoreElements();
}