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package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
import org.eclipse.gef.Request;
import org.eclipse.gef.editpolicies.AbstractEditPolicy;
import org.eclipse.gef.requests.CreateConnectionRequest;
import org.eclipse.gef.requests.ReconnectRequest;
import org.eclipse.papyrus.uml.diagram.sequence.util.HighlightUtil;
public class HighlightConnectionPartEditPolicy extends AbstractEditPolicy {
private HighlightUtil sourceHighlighter = new HighlightUtil();
private HighlightUtil targetHighlighter = new HighlightUtil();
@Override
public void showSourceFeedback(Request request) {
if(request instanceof CreateConnectionRequest) {
sourceHighlighter.highlight(getHost());
}
}
@Override
public void showTargetFeedback(Request request) {
if(request instanceof CreateConnectionRequest && ((CreateConnectionRequest)request).getSourceEditPart() != null) {
targetHighlighter.highlight(getHost());
} else if(request instanceof ReconnectRequest && ((ReconnectRequest)request).getTarget() != null) {
targetHighlighter.highlight(((ReconnectRequest)request).getTarget());
}
}
@Override
public void eraseSourceFeedback(Request request) {
if(request instanceof CreateConnectionRequest) {
sourceHighlighter.unhighlight(getHost());
}
}
@Override
public void eraseTargetFeedback(Request request) {
if(request instanceof CreateConnectionRequest && ((CreateConnectionRequest)request).getSourceEditPart() != null) {
targetHighlighter.unhighlight(getHost());
} else if(request instanceof ReconnectRequest && ((ReconnectRequest)request).getTarget() != null) {
targetHighlighter.unhighlight(((ReconnectRequest)request).getTarget());
}
}
}
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