1 files changed, 170 insertions, 0 deletions
diff --git a/deprecated/org.eclipse.papyrus.uml.diagram.sequence_initial-kepler/custom-src/org/eclipse/papyrus/uml/diagram/sequence/util/LifelineLabelHelper.java b/deprecated/org.eclipse.papyrus.uml.diagram.sequence_initial-kepler/custom-src/org/eclipse/papyrus/uml/diagram/sequence/util/LifelineLabelHelper.java
new file mode 100644
index 00000000000..f2910a79850
--- /dev/null
+++ b/deprecated/org.eclipse.papyrus.uml.diagram.sequence_initial-kepler/custom-src/org/eclipse/papyrus/uml/diagram/sequence/util/LifelineLabelHelper.java
@@ -0,0 +1,170 @@
+package org.eclipse.papyrus.uml.diagram.sequence.util;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import org.eclipse.gef.GraphicalEditPart;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.papyrus.infra.gmfdiag.common.editpolicies.IMaskManagedLabelEditPolicy;
+import org.eclipse.papyrus.uml.diagram.common.helper.StereotypedElementLabelHelper;
+import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.LifelineNameEditPart;
+import org.eclipse.papyrus.uml.diagram.sequence.preferences.LifelinePreferencePage;
+import org.eclipse.uml2.uml.ConnectableElement;
+import org.eclipse.uml2.uml.Lifeline;
+import org.eclipse.uml2.uml.Type;
+
+
+public class LifelineLabelHelper extends StereotypedElementLabelHelper {
+
+	/**
+	 * singelton instance
+	 */
+	private static LifelineLabelHelper labelHelper;
+
+	/**
+	 * Returns the singleton instance of this class
+	 * 
+	 * @return the singleton instance.
+	 */
+	public static LifelineLabelHelper getInstance() {
+		if(labelHelper == null) {
+			labelHelper = new LifelineLabelHelper();
+		}
+		return labelHelper;
+	}
+
+	/** Map for masks */
+	protected final Map<Integer, String> masks = new HashMap<Integer, String>(7);
+
+	/**
+	 * Creates a new Operation label helper.
+	 */
+	protected LifelineLabelHelper() {
+		// initialize the map
+		masks.put(LifelinePreferencePage.SHOW_REPRESENT_NAME, "Show represent name");
+		masks.put(LifelinePreferencePage.SHOW_REPRESENT_TYPE, "Show represent type");
+		masks.put(LifelinePreferencePage.SHOW_UNDEFINED_TYPE, "Always show undefined type");
+		masks.put(LifelinePreferencePage.SHOW_LIFELINE_NAME, "Always show lifeline name");	
+	}
+	
+
+	/**
+	 * Returns the mask name given the value of the mask
+	 * 
+	 * @return the mask name or <code>null</code> if no masks has been found
+	 */
+	public String getMaskLabel(int value) {
+		return masks.get(value);
+	}
+
+	/**
+	 * Returns the collection of mask names
+	 * 
+	 * @return the collection of mask names
+	 */
+	public Collection<String> getMaskLabels() {
+		return masks.values();
+	}
+
+	/**
+	 * Returns the map of masks used to display 
+	 * 
+	 * @return the map of masks used to display
+	 */
+	public Map<Integer, String> getMasks() {
+		return masks;
+	}
+
+	/**
+	 * Returns the collection of mask values
+	 * 
+	 * @return the collection of mask values
+	 */
+	public Set<Integer> getMaskValues() {
+		return masks.keySet();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public Lifeline getUMLElement(GraphicalEditPart editPart) {
+		return (Lifeline)((View)editPart.getModel()).getElement();
+	}
+
+	protected String elementLabel(GraphicalEditPart editPart) {
+		if(editPart instanceof LifelineNameEditPart)
+			editPart = (GraphicalEditPart)editPart.getParent();
+		int displayValue = LifelinePreferencePage.DEFAULT_LABEL_DISPLAY;
+
+		IMaskManagedLabelEditPolicy policy = (IMaskManagedLabelEditPolicy)editPart.getEditPolicy(IMaskManagedLabelEditPolicy.MASK_MANAGED_LABEL_EDIT_POLICY);
+		if(policy != null) {
+			displayValue = policy.getCurrentDisplayValue();
+		}
+		return getCustomLabel(getUMLElement(editPart), displayValue);
+	}
+
+	private static final String UNAMED = "<Unnamed>";
+	private static final String UNDEFINED = "<Undefined>";
+	
+	//https://bugs.eclipse.org/bugs/show_bug.cgi?id=383722
+	private String getCustomLabel(Lifeline lifeline, int displayValue) {
+		StringBuilder sb = new StringBuilder();		
+		appendName(lifeline, displayValue, sb);
+		boolean displayType = isCheck(displayValue , LifelinePreferencePage.SHOW_REPRESENT_TYPE );
+		if( lifeline.getRepresents() == null || isCheck(displayValue , LifelinePreferencePage.SHOW_LIFELINE_NAME ) ){
+			displayType = false;
+		}
+		if(displayType){
+			// handle represent type label
+			appendType(lifeline, displayValue, sb);
+		}
+		return sb.toString();
+	}
+
+
+	protected void appendName(Lifeline lifeline, int displayValue, StringBuilder sb) {
+		ConnectableElement element = lifeline.getRepresents();		
+		String lifelineName = lifeline.getName(); 
+		if( element == null || isCheck(displayValue , LifelinePreferencePage.SHOW_LIFELINE_NAME ) ){
+			appendString(sb, lifelineName, UNAMED);
+			return;
+		}else{
+			// represents is not null
+			if(isCheck(displayValue , LifelinePreferencePage.SHOW_REPRESENT_NAME )){
+				appendString(sb, element.getName(), UNAMED);				
+			}
+			//  if neither <1> or <2> are checked, show lifeline name (or <unnamed> when the lifeline has no name)
+			else if(!isCheck(displayValue , LifelinePreferencePage.SHOW_REPRESENT_TYPE ))
+				appendString(sb, lifelineName, UNAMED);
+		}
+	}
+	
+	protected void appendType(Lifeline lifeline, int displayValue, StringBuilder sb) {
+		ConnectableElement element = lifeline.getRepresents();		
+		if(element == null)
+			return;
+		
+		Type type = element.getType();
+		if(isCheck(displayValue , LifelinePreferencePage.SHOW_REPRESENT_TYPE )){
+			if(type == null ){
+				if(isCheck(displayValue , LifelinePreferencePage.SHOW_UNDEFINED_TYPE ))
+					sb.append(":").append(UNDEFINED);						
+			}else{
+				appendString(sb.append(":") , type.getName(), UNAMED);
+			}
+		}		
+	}
+
+	private static boolean isCheck(int value, int mask){
+		return (value & mask) != 0;
+	}
+
+	private void appendString(StringBuilder sb, String str, String defaultValue) {
+		if(str != null)
+			sb.append(str);
+		else
+			sb.append(defaultValue);
+	}
+}