code: package org.omnetpp.sequencechart.widgets;
  
  import java.util.ArrayList;
  
  import org.eclipse.swt.graphics.Image;
  import org.omnetpp.common.eventlog.EventLogInput;
  import org.omnetpp.common.eventlog.ModuleTreeItem;
  import org.omnetpp.common.util.BigDecimal;
  import org.omnetpp.eventlog.IEvent;
  import org.omnetpp.eventlog.IMessageDependency;
  import org.omnetpp.eventlog.entry.ComponentMethodBeginEntry;
  import org.omnetpp.eventlog.entry.MessageDescriptionEntry;
  import org.omnetpp.eventlog.entry.ModuleCreatedEntry;
  
  public interface ISequenceChartLabelProvider
  {
      public void setEventLogInput(EventLogInput eventLogInput);
  
      public String getAxisLabel(ModuleTreeItem axisModule);
  
      public String getTickLabel(BigDecimal tick);
  
      public String getEventLabel(IEvent event);
  
      public String getMessageDependencyLabel(IMessageDependency messageDependency);
  
      /**
       * Returns a possibly multi-line human readable description for the given objects.
       */
      public String getDescriptiveText(ArrayList<Object> objects, boolean formatted);
  
      /**
       * Returns a human readable description for the event.
       */
      public String getEventText(IEvent event, boolean formatted);
  
      /**
       * Returns a human readable description for the module.
       */
      public String getModuleText(ModuleCreatedEntry moduleCreatedEntry, boolean formatted);
  
      /**
       * Returns a human readable description for the module.
       */
      public String getAxisText(ModuleTreeItem axisModule, boolean formatted);
  
      /**
       * Returns a human readable description for the message dependency.
       */
      public String getMessageDependencyText(IMessageDependency messageDependency, boolean formatted);
  
      /**
       * Returns a human readable description for the message.
       */
      public String getMessageDetailText(MessageDescriptionEntry messageDescriptionEntry, boolean formatted);
  
      /**
       * Returns a human readable description for the event numbers of the given message dependency.
       */
      public String getMessageDependencyEventNumbersText(IMessageDependency messageDependency, boolean formatted);
  
      /**
       * Returns a human readable description for the message name.
       */
      public String getMessageNameText(MessageDescriptionEntry messageDescriptionEntry, boolean formatted);
  
      /**
       * Returns a human readable description for the method call.
       */
      public String getComponentMethodCallText(ComponentMethodBeginEntry componentMethodCall, boolean formatted);
  
      /**
       * Returns a human readable description for the simulation time delta.
       */
      public String getSimulationTimeDeltaText(IMessageDependency messageDependency, boolean formatted);
  
      /**
       * Returns a human readable description for the message ids of the given message entry.
       */
      public String getMessageIdText(MessageDescriptionEntry messageDescriptionEntry, boolean formatted);
  
      public Image getExpandImage();
  
      public Image getCollapseImage();
  
      public Image getCloseImage();
  }