@Override
protected EditPolicy createChildEditPolicy(EditPart child) {
BControl control = (BControl) child.getModel();
ResizableEditPolicy policy = new ResizableEditPolicy();
BAttributeWidth atrWidth =
(BAttributeWidth) control.getAttributes().get(AttributeConstants.ATTRIBUTE_WIDTH);
BAttributeHeight atrHeight =
(BAttributeHeight) control.getAttributes().get(AttributeConstants.ATTRIBUTE_HEIGHT);
if (atrWidth.isEditable() && atrHeight.isEditable()) return policy;
if (atrWidth.isEditable()) {
policy.setResizeDirections(PositionConstants.EAST_WEST);
return policy;
}
if (atrHeight.isEditable()) {
policy.setResizeDirections(PositionConstants.NORTH_SOUTH);
return policy;
}
policy.setResizeDirections(0);
return policy;
}
@Override
public EditPart createEditPart(EditPart context, Object model) {
AbstractGraphicalEditPart part = null;
BControl control = (BControl) model;
if (control instanceof Visualization) {
part = new VisualizationPart();
} else {
try {
IBControlService service =
(IBControlService)
BMotionEditorPlugin.getControlServices()
.get(control.getType())
.createExecutableExtension("service");
part = service.createEditPart();
} catch (CoreException e) {
e.printStackTrace();
}
}
if (part != null) part.setModel(control);
// TODO: check if part == null
return part;
}
@Override
protected Command createChangeConstraintCommand(
ChangeBoundsRequest request, EditPart child, Object constraint) {
BControlChangeLayoutCommand cmd = new BControlChangeLayoutCommand();
BControl part = (BControl) child.getModel();
cmd.setModel(child.getModel());
cmd.setConstraint((Rectangle) constraint);
Command result = cmd;
if ((request.getResizeDirection() & PositionConstants.NORTH_SOUTH) != 0) {
Integer guidePos = (Integer) request.getExtendedData().get(SnapToGuides.KEY_HORIZONTAL_GUIDE);
if (guidePos != null) {
result = chainGuideAttachmentCommand(request, part, result, true);
} else if (part.getHorizontalGuide() != null) {
// SnapToGuides didn't provide a horizontal guide, but this part
// is attached
// to a horizontal guide. Now we check to see if the part is
// attached to
// the guide along the edge being resized. If that is the case,
// we need to
// detach the part from the guide; otherwise, we leave it alone.
int alignment = part.getHorizontalGuide().getAlignment(part);
int edgeBeingResized = 0;
if ((request.getResizeDirection() & PositionConstants.NORTH) != 0) edgeBeingResized = -1;
else edgeBeingResized = 1;
if (alignment == edgeBeingResized)
result = result.chain(new ChangeGuideCommand(part, true));
}
}
if ((request.getResizeDirection() & PositionConstants.EAST_WEST) != 0) {
Integer guidePos = (Integer) request.getExtendedData().get(SnapToGuides.KEY_VERTICAL_GUIDE);
if (guidePos != null) {
result = chainGuideAttachmentCommand(request, part, result, false);
} else if (part.getVerticalGuide() != null) {
int alignment = part.getVerticalGuide().getAlignment(part);
int edgeBeingResized = 0;
if ((request.getResizeDirection() & PositionConstants.WEST) != 0) edgeBeingResized = -1;
else edgeBeingResized = 1;
if (alignment == edgeBeingResized)
result = result.chain(new ChangeGuideCommand(part, false));
}
}
if (request.getType().equals(REQ_MOVE_CHILDREN)
|| request.getType().equals(REQ_ALIGN_CHILDREN)) {
result = chainGuideAttachmentCommand(request, part, result, true);
result = chainGuideAttachmentCommand(request, part, result, false);
result = chainGuideDetachmentCommand(request, part, result, true);
result = chainGuideDetachmentCommand(request, part, result, false);
}
return result;
}
@Override
protected Command getCreateCommand(CreateRequest request) {
if (request.getType() == REQ_CREATE && getHost() instanceof AppAbstractEditPart) {
if (((BControl) ((AppAbstractEditPart) getHost()).getModel()).canHaveChildren()) {
BControl newObj = (BControl) request.getNewObject();
CreateCommand createCmd = new CreateCommand(newObj, (BControl) getHost().getModel());
Rectangle constraint = (Rectangle) getConstraintFor(request);
constraint.x = (constraint.x < 0) ? 0 : constraint.x;
constraint.y = (constraint.y < 0) ? 0 : constraint.y;
BAttributeWidth atrWidth =
(BAttributeWidth) newObj.getAttributes().get(AttributeConstants.ATTRIBUTE_WIDTH);
BAttributeHeight atrHeight =
(BAttributeHeight) newObj.getAttributes().get(AttributeConstants.ATTRIBUTE_HEIGHT);
if (atrWidth != null) {
constraint.width = Integer.valueOf(atrWidth.getValue().toString());
} else {
constraint.width = (constraint.width <= 0) ? 100 : constraint.width;
}
if (atrHeight != null) {
constraint.height = Integer.valueOf(atrHeight.getValue().toString());
} else {
constraint.height = (constraint.height <= 0) ? 100 : constraint.height;
}
createCmd.setLayout(constraint);
Command cmd = chainGuideAttachmentCommand(request, newObj, createCmd, true);
return chainGuideAttachmentCommand(request, newObj, cmd, false);
}
}
return null;
}
@Override
public void check(Animation animation, BControl control) {
this.setAttributes.clear();
// Collect evaluate predicate objects in list
for (SetAttributeObject obj : setAttributeObjects) {
obj.setHasError(false);
// First evaluate predicate (predicate field)
String bolValue = "true";
if (obj.getEval().length() > 0) {
bolValue = parsePredicate(obj.getEval(), control, animation, obj);
}
if (!obj.hasError() && Boolean.valueOf(bolValue)) {
String attributeID = obj.getAttribute();
AbstractAttribute attributeObj = control.getAttribute(attributeID);
Object attributeVal = obj.getValue();
if (obj.isExpressionMode()) {
String strAtrVal = parseExpression(attributeVal.toString(), control, animation, obj);
String er = attributeObj.validateValue(strAtrVal, null);
if (er != null) {
addError(
control,
animation,
"You selected "
+ attributeObj.getName()
+ " as attribute. There is a problem with your value: "
+ strAtrVal
+ " - Reason: "
+ er);
obj.setHasError(true);
} else {
attributeVal = attributeObj.unmarshal(strAtrVal);
}
}
if (!obj.hasError()) {
Object oldAttrVal = control.getAttributeValue(attributeID);
if (!oldAttrVal.equals(attributeVal)) {
control.setAttributeValue(attributeID, attributeVal);
}
}
setAttributes.add(attributeID);
}
}
// Restore attribute values
for (SetAttributeObject obj : setAttributeObjects) {
if (!setAttributes.contains(obj.getAttribute())) {
AbstractAttribute attributeObj = control.getAttribute(obj.getAttribute());
Object oldAttrVal = control.getAttributeValue(obj.getAttribute());
if (!oldAttrVal.equals(attributeObj.getInitValue())) {
control.restoreDefaultValue(attributeObj.getID());
}
}
}
}