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package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.papyrus.infra.emf.appearance.helper.VisualInformationPapyrusConstants;
import org.eclipse.papyrus.uml.diagram.common.editpolicies.AbstractMaskManagedEditPolicy;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.LifelineEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.LifelineNameEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.part.UMLDiagramEditorPlugin;
import org.eclipse.papyrus.uml.diagram.sequence.preferences.LifelinePreferencePage;
import org.eclipse.papyrus.uml.diagram.sequence.util.LifelineLabelHelper;
import org.eclipse.uml2.uml.ConnectableElement;
import org.eclipse.uml2.uml.Lifeline;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.UMLPackage;
public class LifelineLabelEditPolicy extends AbstractMaskManagedEditPolicy {
private IPropertyChangeListener preferenceListener;
@Override
public void addAdditionalListeners() {
super.addAdditionalListeners();
if(preferenceListener == null){
preferenceListener = new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
handlePreferenceChange(event);
}
};
IPreferenceStore store = UMLDiagramEditorPlugin.getInstance().getPreferenceStore();
store.addPropertyChangeListener(this.preferenceListener);
}
Lifeline lifeline = getUMLElement();
// check host semantic element is not null
if(lifeline == null) {
return;
}
// adds a listener to the element itself, and to linked elements, like Type
getDiagramEventBroker().addNotificationListener(lifeline, this);
ConnectableElement ce = lifeline.getRepresents();
if(ce != null){
getDiagramEventBroker().addNotificationListener(ce, this);
if(ce.getType() != null)
getDiagramEventBroker().addNotificationListener(ce.getType(), this);
}
}
protected void handlePreferenceChange(PropertyChangeEvent event) {
EditPart part = getHost();
if(part == null || part.getParent() == null)
return;
String key = event.getProperty();
if(key.equals(LifelinePreferencePage.LABEL_DISPLAY_PREFERENCE)){
refreshDisplay();
}
}
@Override
protected void removeAdditionalListeners() {
super.removeAdditionalListeners();
Lifeline lifeline = getUMLElement();
// check host semantic element is not null
if(lifeline == null) {
return;
}
getDiagramEventBroker().removeNotificationListener(lifeline, this);
ConnectableElement ce = lifeline.getRepresents();
if(ce != null){
getDiagramEventBroker().removeNotificationListener(ce, this);
if(ce.getType() != null)
getDiagramEventBroker().removeNotificationListener(ce.getType(), this);
}
}
public void notifyChanged(Notification notification) {
super.notifyChanged(notification);
Object object = notification.getNotifier();
if(object == null || getUMLElement() == null) {
return;
}
if(notification.getFeature().equals(UMLPackage.eINSTANCE.getNamedElement_Name())) {
refreshDisplay();
} else if(notification.getFeature().equals(UMLPackage.Literals.LIFELINE__REPRESENTS)) {
// change represent element
if(notification.getNewValue() instanceof ConnectableElement){
ConnectableElement ce = (ConnectableElement )notification.getNewValue();
getDiagramEventBroker().addNotificationListener(ce, this);
if(ce.getType() != null)
getDiagramEventBroker().addNotificationListener(ce.getType(), this);
}
if(notification.getOldValue() instanceof ConnectableElement){
ConnectableElement ce = (ConnectableElement )notification.getOldValue();
getDiagramEventBroker().removeNotificationListener(ce, this);
if(ce.getType() != null)
getDiagramEventBroker().removeNotificationListener(ce.getType(), this);
}
refreshDisplay();
}else if(isMaskManagedAnnotation(object) || isRemovedMaskManagedLabelAnnotation(object, notification)) {
refreshDisplay();
} else if(object.equals(getUMLElement().getRepresents()) ){
// change represent type
if(notification.getNewValue() instanceof Type && notification.getNewValue() instanceof EObject){
getDiagramEventBroker().addNotificationListener((EObject)notification.getNewValue(), this);
}
if(notification.getOldValue() instanceof Type && notification.getOldValue() instanceof EObject){
getDiagramEventBroker().removeNotificationListener((EObject)notification.getOldValue(), this);
}
refreshDisplay();
}
}
public void refreshDisplay() {
// calls the helper for this edit Part
LifelineEditPart lp = (LifelineEditPart)getHost();
List children = lp.getChildren();
for(Object p : children)
if(p instanceof LifelineNameEditPart)
LifelineLabelHelper.getInstance().refreshEditPartDisplay((GraphicalEditPart)p);
}
public int getCurrentDisplayValue() {
EAnnotation customeDisplayAnnotation = ((View)getHost().getModel()).getEAnnotation(VisualInformationPapyrusConstants.CUSTOM_APPEARENCE_ANNOTATION);
int displayValue = getDefaultDisplayValue();
if(customeDisplayAnnotation != null && customeDisplayAnnotation.getDetails().get(VisualInformationPapyrusConstants.CUSTOM_APPEARANCE_MASK_VALUE) != null) {
displayValue = Integer.parseInt(customeDisplayAnnotation.getDetails().get(VisualInformationPapyrusConstants.CUSTOM_APPEARANCE_MASK_VALUE));
} else {
// no specific information => look in preferences
IPreferenceStore store = UMLDiagramEditorPlugin.getInstance().getPreferenceStore();
int displayValueTemp = store.getInt(LifelinePreferencePage.LABEL_DISPLAY_PREFERENCE);
if(displayValueTemp != 0) {
displayValue = displayValueTemp;
}
}
return displayValue;
}
public int getDefaultDisplayValue() {
return LifelinePreferencePage.DEFAULT_LABEL_DISPLAY;
}
public String getMaskLabel(int value) {
return LifelineLabelHelper.getInstance().getMaskLabel(value);
}
/**
* {@inheritDoc}
*/
public Collection<String> getMaskLabels() {
return LifelineLabelHelper.getInstance().getMaskLabels();
}
/**
* {@inheritDoc}
*/
public Map<Integer, String> getMasks() {
return LifelineLabelHelper.getInstance().getMasks();
}
/**
* {@inheritDoc}
*/
public Collection<Integer> getMaskValues() {
return LifelineLabelHelper.getInstance().getMaskValues();
}
/**
* {@inheritDoc}
*/
public String getPreferencePageID() {
return "org.eclipse.papyrus.uml.diagram.sequence.preferences.LifelinePreferencePage";
}
/**
* {@inheritDoc}
*/
@Override
public Lifeline getUMLElement() {
return (Lifeline)hostSemanticElement;
}
}
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