public void invokeStep(int x, int y, int anchorX, int anchorY, DrawingView view) {
Rectangle r = owner().displayBox();
owner()
.displayBox(
new Point(Math.min(r.x + r.width, x), Math.min(r.y + r.height, y)),
new Point(r.x + r.width, r.y + r.height));
}
private Rectangle fieldBounds(Figure figure) {
Rectangle box = figure.displayBox();
int nChars = Math.max(20, getURL(figure).length());
Dimension d = fTextField.getPreferredSize(nChars);
box.x = Math.max(0, box.x + (box.width - d.width) / 2);
box.y = Math.max(0, box.y + (box.height - d.height) / 2);
return new Rectangle(box.x, box.y, d.width, d.height);
}
/**
* 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;
}
public void mouseDrag(MouseEvent e, int x, int y) {
super.mouseDrag(e, x, y);
fMoved = (Math.abs(x - fAnchorX) > 4) || (Math.abs(y - fAnchorY) > 4);
if (fMoved) {
FigureEnumeration figures = getUndoActivity().getAffectedFigures();
while (figures.hasMoreElements()) {
figures.nextFigure().moveBy(x - fLastX, y - fLastY);
}
}
fLastX = x;
fLastY = y;
}
public Point locate() {
LineConnection line = ownerConnection();
int segment = Math.min(fSegment, line.pointCount() - 2);
Point p1 = line.pointAt(segment);
Point p2 = line.pointAt(segment + 1);
return new Point((p1.x + p2.x) / 2, (p1.y + p2.y) / 2);
}
/** Called when a drag operation is ongoing on the DropTarget. */
public void dragOver(DropTargetDragEvent dtde) {
// log("DropTargetDragEvent-dragOver");
if (supportDropTargetDragEvent(dtde) == true) {
int x = dtde.getLocation().x;
int y = dtde.getLocation().y;
if ((Math.abs(x - fLastX) > 0) || (Math.abs(y - fLastY) > 0)) {
// FigureEnumeration fe = view().selectionElements();
// while (fe.hasNextFigure()) {
// fe.nextFigure().moveBy(x - fLastX, y - fLastY);
// System.out.println("moving Figures " + view());
// }
// view().drawing().update();
fLastX = x;
fLastY = y;
}
}
}
public void invokeStep(int x, int y, int anchorX, int anchorY, DrawingView view) {
Rectangle r = owner().displayBox();
owner().displayBox(new Point(r.x, r.y), new Point(r.x + r.width, Math.max(r.y, y)));
}
private void addPointRelative(Polygon shape, int x, int y, double radius, double angle) {
shape.addPoint(x + (int) (radius * Math.cos(angle)), y + (int) (radius * Math.sin(angle)));
}
/** Calculates the outline of an arrow tip. */
public Polygon outline(int x1, int y1, int x2, int y2) {
double dir = Math.PI / 2 - Math.atan2(x2 - x1, y2 - y1);
return outline(x1, y1, dir);
}
/**
* Gets the number of columns to be used by the text overlay.
*
* @see CH.ifa.draw.util.FloatingTextField
*/
public final int overlayColumns() {
return Math.max(4, getText().length());
}
