/** Invoked when an action occurs. */
public void actionPerformed(final ActionEvent e) {
final ReportSelectionModel model = getSelectionModel();
if (model == null) {
return;
}
final Element[] visualElements = model.getSelectedVisualElements();
if (visualElements.length <= 1) {
return;
}
final Element[] carrier = new Element[1];
final Element[] objects = ModelUtility.filterParents(visualElements);
final MassElementStyleUndoEntryBuilder builder = new MassElementStyleUndoEntryBuilder(objects);
long minY = Long.MAX_VALUE;
long maxY = Long.MIN_VALUE;
for (int j = 0; j < objects.length; j++) {
final Element object = objects[j];
final CachedLayoutData data = ModelUtility.getCachedLayoutData(object);
final long y1 = data.getY();
final long y2 = y1 + data.getHeight();
if (y2 > maxY) {
maxY = y2;
}
if (y1 < minY) {
minY = y1;
}
}
final long centerPoint = minY + (maxY - minY) / 2;
for (int j = 0; j < objects.length; j++) {
final Element object = objects[j];
final CachedLayoutData data = ModelUtility.getCachedLayoutData(object);
final long elementCenter = data.getY() + data.getHeight() / 2;
final long delta = centerPoint - elementCenter;
if (delta == 0) {
continue;
}
carrier[0] = object;
final MoveDragOperation mop =
new MoveDragOperation(
carrier, ORIGIN_POINT, EmptySnapModel.INSTANCE, EmptySnapModel.INSTANCE);
mop.update(new Point2D.Double(0, StrictGeomUtility.toExternalValue(delta)), 1);
mop.finish();
}
final MassElementStyleUndoEntry massElementStyleUndoEntry = builder.finish();
getActiveContext()
.getUndo()
.addChange(
ActionMessages.getString("AlignMiddleAction.UndoName"), massElementStyleUndoEntry);
}
/** Invoked when an action occurs. */
public void actionPerformed(final ActionEvent e) {
final Element[] visualElements = getSelectionModel().getSelectedVisualElements();
if (visualElements.length == 0) {
return;
}
final MassElementStyleUndoEntryBuilder builder =
new MassElementStyleUndoEntryBuilder(visualElements);
final MoveDragOperation mop =
new MoveDragOperation(
visualElements, new Point(), EmptySnapModel.INSTANCE, EmptySnapModel.INSTANCE);
mop.update(new Point(1, 0), 1);
mop.finish();
final MassElementStyleUndoEntry massElementStyleUndoEntry = builder.finish();
getActiveContext()
.getUndo()
.addChange(
ActionMessages.getString("MoveRightOneAction.UndoName"), massElementStyleUndoEntry);
}
private void registerChanges() {
final MassElementStyleUndoEntry massElementStyleUndoEntry = builder.finish();
context
.getUndo()
.addChange(Messages.getString("AlignmentUtilities.Undo"), massElementStyleUndoEntry);
}