/** Load a Drawing from a file */
protected void loadDrawing(StorageFormat restoreFormat, String file) {
try {
Drawing restoredDrawing = restoreFormat.restore(file);
if (restoredDrawing != null) {
restoredDrawing.setTitle(file);
newWindow(restoredDrawing);
} else {
showStatus("Unknown file type: could not open file '" + file + "'");
}
} catch (IOException e) {
showStatus("Error: " + e);
}
}
private Figure findConnectableFigure(int x, int y, Drawing drawing) {
FigureEnumeration fe = drawing.figuresReverse();
while (fe.hasNextFigure()) {
Figure figure = fe.nextFigure();
if (!figure.includes(getConnection()) && figure.canConnect() && figure.containsPoint(x, y)) {
return figure;
}
}
return null;
}
private Figure findConnectableFigure(int x, int y, Drawing drawing) {
FigureEnumeration k = drawing.figuresReverse();
while (k.hasMoreElements()) {
Figure figure = k.nextFigure();
if (!figure.includes(getConnection()) && figure.canConnect()) {
if (figure.containsPoint(x, y)) {
return figure;
}
}
}
return null;
}
protected void loadDrawing(String param) {
if (param == fgUntitled) {
fDrawing.release();
initDrawing();
return;
}
String filename = getParameter(param);
if (filename != null) {
readDrawing(filename);
}
}
private void readFromStorableInput(String filename) {
try {
URL url = new URL(getCodeBase(), filename);
InputStream stream = url.openStream();
StorableInput input = new StorableInput(stream);
fDrawing.release();
fDrawing = (Drawing) input.readStorable();
view().setDrawing(fDrawing);
} catch (IOException e) {
initDrawing();
showStatus("Error:" + e);
}
}
private void readFromObjectInput(String filename) {
try {
URL url = new URL(getCodeBase(), filename);
InputStream stream = url.openStream();
ObjectInput input = new ObjectInputStream(stream);
fDrawing.release();
fDrawing = (Drawing) input.readObject();
view().setDrawing(fDrawing);
} catch (IOException e) {
initDrawing();
showStatus("Error: " + e);
} catch (ClassNotFoundException e) {
initDrawing();
showStatus("Class not found: " + e);
}
}
